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#### Accessing Internet Without GUI 
Use the below PDF for accessing the internet without using the Graphical Interface 
[![](/assets/icons/PDF.svg)Internet Access Without GUI -- PDF](/attachments/sso/InternetAccess_WithoutGUI.pdf)   



#### Two Factor Authentication (2FA) for SSO 

SSO has become mandatory for all the network users at IITB. 
Before starting to use new SSO based services, everyone needs to register their smartphones for two-factor authentication. Please note this is a one- time activity. 
Those who are using two accounts, i.e., one personal and another functional/institutional (e.g., [email protected] and [email protected]) accounts, you need to register for both the accounts. 
  


**Methods for SSO 2FA registration:** 
Computer Centre recommends registering for at least two methods of Two Factor Authentication. So that in case of unavailability of the primary 2FA method, you can use the alternate registered method and will not get locked or barred from using SSO based services. 
For example, along with the authenticator app or TOTP based OTP, users can register their mobile number using the same SSO interface for SMS based OTP. This SMS based OTP could be used to login to SSO in case if you lost your phone or facing any software/hardware issue with the smartphone and to repeat the TOTP registration process with a new device. 
Computer Centre strongly recommend all users to follow all the instructions given below and in video tutorials. Please do not skip any steps. 
#####  Register your Smartphone for Time Based OTP (TOTP) - **Highly recommended** ![](/assets/icons/Plus.svg) 
Please do not uninstall the Authenticator app from your smartphone. The Authenticator app is very much essential and will provide you OTP while accessing SSO based services. Authenticator apps do not require a Mobile (GSM/CDMA) network or Data connectivity, and even it will work when your device is in Airplane mode. 
Computer Centre recommends using TOTP Authenticator app-based OTP. Users are free to use any app which supports the TOTP protocol. Apps like Duo Mobile, Google Authenticator, and Microsoft Authenticator are suitable and recommended options. 
By this Computer Centre is not promoting the use of smart devices or not promoting apps from any specific organization or any particular developer. TOTP is a new and secure standard of OTP. Our recommendations of apps or TOTP is only based on ease of use, security, the number of updates pushed by developers, and compatibility with older versions of Android/IOS. 
Note: With “Duo Mobile” and “Microsoft Authenticator, users can backup the device registration to their personal Gmail or Microsoft/outlook account. Users can restore the device registration quickly from the cloud in case of an issue with your smartphone. 



**Registration of a smartphone using Desktop or Laptop:**     

[![](/assets/icons/Video.svg)Video Tutorial for Registration of a smartphone using Google Authenticator app on your Desktop or Laptop](https://www.youtube.com/watch?v=Zm9VOlHNgI0) 
**OR** 
Follow the instructions 
  1. Open Play Store or App Store on your smartphone and install Duo Mobile / Google Authenticator / Microsoft Authenticator app.   2. Open a web browser (Firefox/Chrome/Safari/Edge) and visit <https://sso.iitb.ac.in> on your Desktop/Laptop.   3. Login with your LDAP credentials and CAPTCHA.   4. Go to **Manage Account.**   5. Click on the **Configure button** under the "Two Factor Authentication" title.   6. Click on the **Register** button under the "Time-based OTP" title.   7. Enter your LDAP password again.   8. Now, take your smartphone and open Duo Mobile / Google Authenticator / Microsoft Authenticator App.   9. If you are using Google Authenticator| If you are using Duo Mobile Authenticator| If you are using Microsoft Authenticator   ---|---|---     
If you are using Google Authenticator 
| 
If you are using Duo Mobile Authenticator 
| 
If you are using Microsoft Authenticator     
---|---|---   A) Tap on the "+" icon at the right bottom of your phone.   B) Select the "Scan a QR code" option.  |  Tap on the "Get Started" option.  | A) Tap on three dots at the top right corner of your phone.   B) Select "Add Account"   C) Select "Other Accounts"     
  10. Now scan the QR code, which is displayed on the web browser window.   11. The app Duo Mobile / Google Authenticator / Microsoft Authenticator is now ready to link with SSO and start displaying a 6 digit code on your smartphone.   12. Enter this 6 digit OTP from Duo Mobile / Google Authenticator / Microsoft Authenticator app in the text box located below QR-code.   13. Click on the **Register** button to complete the process.   14. DO NOT uninstall the authenticator app 



**Registration of a smartphone using smartphone itself**     

[![](/assets/icons/Video.svg)Video Tutorial for Registration of a smartphone using Google Authenticator app on the smartphone itself](https://youtu.be/MX4NP2c8bV4) 
[![](/assets/icons/PDF.svg)Download PDF Version](/attachments/sso/SSO_Mobile_Guide.pdf) 
**OR** 
Follow the instructions 
  1. Open Play Store or App Store on your smartphone and install Duo Mobile / Google Authenticator / Microsoft Authenticator app.   2. Open a web browser (Firefox/Chrome/Safari/Edge) and visit <https://sso.iitb.ac.in> on your smartphone.   3. Login with your LDAP credentials and CAPTCHA.   4. Go to **Manage Account**.   5. Click on the Configure button under the "Two Factor Authentication" title.   6. Click on the **Register** button under the “Time-based OTP” title.   7. Enter your LDAP password again.   8. Now scroll down on the page. You will be able to see a link in "If you are registering using your phone … click here."   9. Tap on the "here" link.   10. It will automatically open Duo Mobile / Google Authenticator / Microsoft Authenticator app, and your device will be ready to link with SSO.   11. The app Duo Mobile / Google Authenticator / Microsoft Authenticator will start displaying 6 digit code on your smartphone.   12. Enter this 6 digit OTP from Duo Mobile / Google Authenticator / Microsoft Authenticator App in the text box located below QR-code.   13. Click on the **Register** button to complete the process.   14. DO NOT uninstall the authenticator app 
#####  Register your mobile number for SMS based OTP ![](/assets/icons/Plus.svg) 
You can register your mobile number for SMS based OTP. This service is mainly for recovery purposes. Whenever you don’t have any access to Time-based OTP (Google / Microsoft Authenticator apps) because of any reason like lost phone/hardware failure etc, SMS based OTP can be used to de-register your device. Computer Centre does not recommend using SMS based OTP as your Primary 2FA service. 
[![](/assets/icons/PDF.svg)Download PDF Version](/attachments/sso/SSO_Mobile_SMS.pdf) 
Please note each user can avail a maximum of 30 SMS per month for OTP. 
  1. Login to <https://sso.iitb.ac.in>   2. Click on "Manage Accounts"   3. Click on the "Configure" button under the title Two-factor authentication.   4. Click on the "Manage" button under the title SMS recovery.   5. Enter your LDAP password.   6. Now enter your mobile number on which you want to receive the OTP and click on the "Continue" button.   7. You will get an SMS with OTP.   8. Put the received OTP to complete the registration process.   9. Now you will see the confirmation message.   10. If you have not registered for TOTP, you can click on the **Use for 2FA** button if and only if you want to use it as a primary 2FA method; otherwise, you **should ignore this step**. 
#####  Passwordless Authentication: (only available for Android and iOS Devices)  ![](/assets/icons/Plus.svg) 
Passwordless Authentication is a new standard and can be used where you don’t want to put your LDAP password (i.e., shared or non-trusted computer) or with a shared account. The requirement of this is the user must have registered either for Time-based OTP or SMS based OTP and an active internet connection on his/her smartphone. 
[![](/assets/icons/Video.svg)Passwordless Authentication](https://www.youtube.com/watch?v=NwsFGIs1yF0) 
**OR** 
Please follow the below steps for using this service. 
  1. Install the **IITB SSO** app on your smartphone from the Play Store or App Store.   2. Open the IITB SSO app and login with your LDAP credentials and OTP.   3. Now you are ready to use passwordless authentication. 
Now suppose you are sitting in front of a shared/non-trusted computer/Laptop and need to use some services where your LDAP credentials are required. 
  1. Any IITB service will redirect you to sso.iitb for authentication.   2. You just need to put your IITB LDAP username.   3. The SSO will display a 6 digit code below the OTP field.   4. You just need to enter this 6 digit number on your IITB SSO App under the "authenticator" field.   5. This will automatically authenticate your desktop without putting your actual LDAP password. 
#####  Hardware-based 2-Factor Authentication  ![](/assets/icons/Plus.svg) 
Registering a Security Key for Multi-Factor Authentication (For Linux, MAC, Windows) 
CC'S SSO 2FA now supports the use of security keys. SSO uses the WebAuthn authentication standards to interact with your security keys. You may also see WebAuthn referred to as "FIDO2". To use a security key with SSO, you must use the following: 
  * A supported browser (Chrome 70, Firefox 60, Safari 13 or Microsoft Edge 79 or later).   * An available USB port and supported USB security key. 
Support for authentication is limited to web applications that use CC'S Single Sign-On (SSO). If you want to buy a new key or already have a security key that makes sure it supports FIDO2 standards. 



**Registering the security key for 2FA in CC’s SSO** 
  1. Login to <https://sso.iitb.ac.in>   2. Authenticate using the **other 2FA** option on the new phone.   3. Go to **Manage Account**.   4. Click on the **Configure button** under the Two Factor Authentication title.   5. Click on the **Manage** button.   6. Then click on the **Register** button.   7. Inset the security key to the available USB port.   8. When prompted for the type of device select Security Key and select Continue.   9. Follow the on-screen instructions to complete the registration. 
Registering Touch ID for Multi-Factor Authentication (For MAC users) 
CC'S SSO 2FA now supports the use of Touch ID. We use WebAuthn authentication standards to interact with Touch ID on your Mac. To use Touch ID with SSO, you must use the following: 
  * A MacBook Pro or MacBook Air with a Touch ID button.   * A fingerprint enrolled in Touch ID (see how to do this at the [Apple Support site](https://support.apple.com/en-us/HT207054)).   * Chrome 70 or later. Safari and other browsers on macOS are not currently supported. 



**Registering Touch ID for 2FA in CC’s SSO** 
  1. Login to <https://sso.iitb.ac.in>   2. Authenticate using the **other 2FA** option on the new phone.   3. Go to **Manage Account**.   4. Click on the **Configure button** under the Two Factor Authentication title.   5. Click on the **Manage** button.   6. Then click on the **Register** button.   7. When prompted for the type of device select **Touch ID** and select  **Continue**.   8. When enrolling in Touch ID, you'll be prompted to tap to enroll in Touch ID. You may also be asked if you want to allow SSO.iitb to access information about Touch ID (click  **Allow**  if prompted). Follow the on-screen instructions to complete the registration. 
  


**SSO & Two Factor Authentication (2FA) related FAQ's** 
#####  SSO & 2FA related FAQ's  ![](/assets/icons/Plus.svg) 



  1. **What is 2FA?** 
Two/Multi-Factor Authentication (2/MFA) combines two or more independent credentials to gain access to a system. These credentials include something the user knows (e.g., password), something the user has (e.g., token device/smart card/smartphone) or something the user is (e.g., biometric verification). 
The goal of 2FA is to create a multi-layered approach that makes it difficult for any unauthorized person to gain access to a system. If one factor is compromised, such as a password, the attacker will still need the other factor, for example, a smartphone in order to gain access to the system. 



  2. **Do I need to enroll or register in 2FA for accessing IT Services?** 
All IITB faculty, staff, students, workers, and others with an active appointment at and with a valid LDAP ID need to enroll in CC'S SSO 2FA. 



  3. **What if I don't enroll in 2FA?** 
You will not be able to access any web applications using your LDAP Login ID until you've enrolled. To learn how to register in 2FA now, refer the above registration tab 



  4. **What if I uninstalled the Google/Microsoft Authenticator Mobile app?** 
If you have registered an alternate 2FA method then, you can authorize your logins using those methods and after login you can deregister the old device. 
If the smartphone is the only option, then kindly contact CC's helpdesk. We will help you out with the deregistration of your old device. Also, soon we will provide a dedicated interface on CC's website for this. 



  5. **What if I am already using the Google/Microsoft Authenticator Mobile app for another account?** 
Suppose you are already using Google/Microsoft authenticator app to access other third-party services like Microsoft, Google, Facebook, etc. You can still use the same app to receive OTP related to your Login. 



  6. **Help, I've Lost or Broken My Phone, and Now I Can't log in?** 
If you have registered an alternate 2FA method then, you can authorize your logins using those methods. If you do not have access to your alternative method, and your only 2FA device was lost, broken, stolen, etc., please contact the CC's Helpdesk either by raising a ticket on <https://help- cc.iitb.ac.in> or by calling our helpdesk number 2677. 



  7. **How does changing my SIM card, phone, and/or phone number affect the Google/Microsoft Authenticator Mobile app?** 
**Changing the SIM Card** : If you change your SIM card and do not change your phone number, the Google / Microsoft authenticator Mobile app, IITB SSO app, and SMS options should continue to remain functional for your phone. No action should be required on your part. 
**Changing Phone** : If you change your phone but keep the same phone number, you will need to do the following to activate the Google / Microsoft Authenticator app on the new phone:   In case if you have registered for an alternate 2FA method. 
    1. Login at <https://sso.iitb.ac.in>     2. Authenticate using the **other 2FA** option on the new phone.     3. Go to **Manage Account.**     4. Click on the **Configure button** under the Two Factor Authentication title.     5. Click on the **Deregister** button to deregister your old phone.     6. Then register your new device again.   

If the smartphone is the only option, then kindly contact CC's helpdesk. We will help you out with the deregistration of your old device. Also, soon we will provide a dedicated interface on CC's website for this. 
**Changing Phone Number** : If you have opted for SMS based OTP and you have changed your phone number, then you need to contact CC Helpdesk. We will help you out with this change. 



  8. **Invalid OTP Issue** 
For two factor authentication (2FA) registration, the main requirement is the correct date and time. So we kindly request you to check the date and time setting of your mobile device. 
**Update Date & Time on iOS device** 
    1. From your home screen navigate to Settings     2. Tap **General**     3. Tap **Date & Time**     4. Make sure that the option **Set Automatically** is turned on     5. If this option is turned off, check that the correct Date, Time and Time Zone are selected   
**Update Date & Time on Android device** 
    1. Tap on **Settings**     2. Tap **System**     3. Tap **Date & Time**     4. Tap on **use network provided time** and **use network provided time zone**     5. If above option is turned off, check that the correct Date, Time and Time Zone are selected 



  9. **What if I don't have/want to use my smartphone?** 
If you prefer not to use your smartphone, or you don't own a compatible device, don't worry: There are alternatives. You can choose to enroll and receive a text message on your cell phone. But please note that you will not be able to Login in case of unavailability of GSM/CDMA network and in a matter of unavailability of SMS API Service. 
Currently, there is an upper limit on number of SMS used for OTP by per user per month. (30SMS/user/month) 



  10. **What if I changed my user ID from roll/employee number to something else?** 
We have already taken care of all the things necessary to handle this change. Any kind of additional action is not required from user side. Even there is no need to new registration for Time-based OTP (authenticator app). 
Every 6 hours (00, 06, 12, 18 hours), this change will also getting pushed to G Suite and Office365. So users may face temporary unavailability of G Suite or Office365 services between this period after change of his/her user id. 



  11. **What is the session / logout period.** 
SSO doesn’t control or enforce other session timeout for application. Each application is having its own timeout period. For e.g. internet.iitb is having timeout of 30 minutes. G Suite or Office365 has timeout period of more than a year. 
SSO’s itself having its own timeout of 15 minutes if you have not checked the check box called “Remember me”. If you have checked this “remember me” check box then the timeout of SSO will be of 15 days. During this period SSO will not ask your credentials and OTP. 



  12. **Use of multiple accounts with IITB SSO.** 
SSO support simultaneous login with multiple accounts. But it also depend on each and every application. All applications doesn’t support multi-sessions login or some application only works on IP address level like internet.iitb. 
Applications like Google Drive, Google Meet, Microsoft One Drive support multiple logins in a same browser. You just need to switch the account from that application. But applications like webmail who doesn’t support multiple logins, you just need to click on logout button/link then our SSO will provide you the option to switch the account. 



  13. **Help! I have registerd for SMS based authentication but not receiving SMS** 
Please note each user can avail a maximum of 30 SMS per month for OTP. Computer Centre does not recommend using SMS based OTP as your Primary 2FA service. 
If you have registered an alternate 2FA method then, you can authorize your logins using those methods. 
If SMS based OTP is the only option, then kindly contact CC's helpdesk. We will help you out with the deregistration of your old device. Also, soon we will provide a dedicated interface on CC's website for this. 



  14. **Use of a shared account with SSO** 
There are some functionary or institutional accounts that might need to be used by more than one person. In such cases doing 2-factor authentications is a bit challenging. At the same time, 2FA is compulsory for all the SSO based services. The 2FA methods like Time-based and SMS based OTP do not support sharing. As of now, there are two solutions for this, as given below. 
    * **The use of hardware-based 2FA method:** To do a hardware-based 2FA, you require a USB security key that the user/department/section/centers need to purchase. Security keys can be purchased online or through any computer/IT products vendor. While buying these keys, Please make sure that the key should be webauthn/FIDO2 certified. 
Each user needs to register his/her security key with the shared account using the SSO interface. The detailed step-wise how-to for this is available on this page under the title "Hardware-based 2-Factor Authentication". 
    * **The use of Password-less authentication:** To use this method, the primary owner of the shared account must have registered for Time based or SMS based OTP. Rest all user needs to install the “IITB SSO” app on their smartphone. The detailed step-wise how-to for this is available on this page under the title "Passwordless Authentication." 



#### ONLINE / INTERACTIVE MEETINGS 
  

In wake of closure of the IITB classroom based teaching, Computer Centre has received numerous inquiries regularly for online / interactive meetings platforms. This page puts together some resources for online / interactive meetings. 
  * **Google for Education** (can support up to 100 meeting participants) : This is a free service. More details can be accessed from the following tutorial (support for Google Teach From Home and Google Hangouts will not be provided by CC).     

    * Recording feature is enabled   

[![](/assets/icons/PDF.svg)Google Teach From Home.pdf](/attachments/onlinemeetings/TeachFromHome.pdf)   [![](/assets/icons/PDF.svg)Google Hangouts Guide.pdf](/attachments/onlinemeetings/tutorials.pdf)   
  

  * **Cisco Webex (Knowledge worker's Licenses) for educational institutes to conduct online teaching:** IIT Bombay has purchased Webex Meetings licenses (valid up to Aug 17, 2021) and along with Cisco Webex Teams and Cisco Webex Teams Free Meetings licenses for the registered students during the semester. 
    * The Webex Meeting licenses provisioned through the Computer Centre for the faculty (Knowledge Worker) on a request during the provisioning period.     * Additional licenses, if required, may be provisioned on a case by case basis only through the Head of the department. CC deserves the full right to approve/disapprove the request to comply with the service provider and OEM agreement.   

CC cannot guarantee the quality of the meeting as it is a cloud service. 
However, users must ensure the service provider's guidelines to have a smooth experience of the facility. For issues, the first point of contact will be the respective department systems administrator(s). If the department systems administrator(s) could not resolve the reported issue(s), they may contact CC's help desk with full details to arrive at an appropriate resolution. 
Link to the video of the [user training program.](https://bighome.iitb.ac.in/index.php/s/C29Q7PQfwTJa4aP) 
  * **Cisco Webex (Web conferencing and collaboration solution)** : Available number of users license is 4 (plus 1 site admin). 1000 participants can join the conference in a single user license. Faculty members are required to contact the Computer Centre help desk.     
_CC Helpdesk Contact Information_   Email Id: helpdesk[at]iitb.ac.in   Ext No: 2677     

  * **CDEEP :** Please visit CDEEP's website [(cdeep.iitb.ac.in)](https://www.cdeep.iitb.ac.in) for additional resources including Skype.     

  * **YouTube Live :** This is a free service. More details can be accessed from the following link (support for YouTube Live will not be provided by CC)     
[Live stream on YouTube](https://support.google.com/youtube/topic/9257891?hl=en&ref_topic=9257610)     

  * **BlueJeans VC :** This can be used for elective classes with strength less than 25. For log in credentials, faculty can write to jyoti[at]iitb.ac.in. A total of 10 BlueJeans license are available and each license can accomodate 25 participants. For instructions on how to use BlueJeans application, refer following guide.     
 **** Our Alumnus, Mr. Dhananjay Saheba, B.Tech EE, 1977 batch, is one of the partners of the firm and has generously made these licenses available to IITB free of charge     
** 
[![](/assets/icons/PDF.svg)Instructions on using BlueJeans.pdf](/attachments/onlinemeetings/bluejeans.pdf)     

BlueJeans Datasheets 
[![](/assets/icons/PDF.svg)BlueJeans Meetings Datasheet.pdf](/attachments/onlinemeetings/bluejeansmeetings.pdf)   [![](/assets/icons/PDF.svg)Smart Meetings Datasheet.pdf](/attachments/onlinemeetings/bluejeanssmart.pdf)   [![](/assets/icons/PDF.svg)BlueJeans Command Centre Datasheet.pdf](/attachments/onlinemeetings/bluejeanscommand.pdf)   
  * **Microsoft Teams :** It uses Microsoft Teams app for scheduling online meetings. Meetings can be recorded and shared later on as Mircosoft Stream Link. Participants need to have a valid LDAP ID and has to be registered with Microsoft. Guest members from outside IITB domain can also join the meeting. Meeting organizer has to manually add guest members where as IITB LDAP participants need to enter the Team code shared by the organizer to join the meeting. To register LDAP with microsoft and access Microsoft Team's app go through the following tutorials.     

[![](/assets/icons/PDF.svg)Registering LDAP with Microsoft.pdf](/attachments/onlinemeetings/RegisteringLDAP.pdf)   [![](/assets/icons/PDF.svg)How to Use Microsoft Teams Meeting (MTM).pdf](/attachments/onlinemeetings/howto_use_mtm.pdf)     

More features can be explored at following URL. 
[ Microsoft Teams Overview](https://docs.microsoft.com/en- us/microsoftteams/teams-overview) 
  

  * **ZOOM :** 20 simultaneous sessions with capacity of 300 Meetings (attendee) purchased by the Computer Centre. The facility can be used by faculty. For using these licenses, the department head should email **head.cc[at]iitb.ac.in** mentioning the licenses required. (The licenses may be used in a shared mode among various departments). CC cannot guarantee the quality of the meeting as it is a cloud service.      

Zoom tutorials by Prof. Amit Sethi   [![](/assets/icons/Video.svg)Recommended Zoom settings for live classes.](https://www.youtube.com/watch?v=2pjQDrI4HbE)   [![](/assets/icons/Video.svg)Zoom actions during a live class.](https://www.youtube.com/watch?v=1r2AcaEe9Po)     

  

#### Video Tutorials 

* SSO Video Tutorials      * [![](/assets/icons/Video.svg)Registration of a smartphone using Desktop or Laptop](https://www.youtube.com/watch?v=Zm9VOlHNgI0)     * [![](/assets/icons/Video.svg)Registration of smartphone using smartphone itself](https://youtu.be/MX4NP2c8bV4)     * [![](/assets/icons/Video.svg)Passwordless Authentication (only for Android devices)](https://www.youtube.com/watch?v=NwsFGIs1yF0)     * [![](/assets/icons/Video.svg)How to login on internet-sso.iitb.ac.in for Home Accounts](https://youtu.be/EOIoUOFamkY)   * Thunderbird Video Tutorials      * [![](/assets/icons/Video.svg)Configure Thunderbird](https://youtu.be/KQxu_I5fBSo)     * [![](/assets/icons/Video.svg)Mail Backup](https://youtu.be/ExxfNyzE7BQ)     * [![](/assets/icons/Video.svg)Recovery/Restore Emails from backup in Thunderbird](https://youtu.be/db9XXe2rG6A)   * Webmail Video Tutorials      * [![](/assets/icons/Video.svg)How to Compose a Mail in Webmail](https://youtu.be/Nn5Twfrg0oY)     * [![](/assets/icons/Video.svg)How to filter Mails in Webmail](https://youtu.be/OR6OOsiwNuQ)     * [![](/assets/icons/Video.svg)How to create custome singnature in Webmail](https://youtu.be/YvqN0R-4c0U)     * [![](/assets/icons/Video.svg)How to setup Auto Reply mail in Webmail](https://youtu.be/X7TNK6PCdzE) 


#### Essential FAQ's 

1\. Where can I find most of the softwares? - [FTP Server](http://ftp.iitb.ac.in/) 
2\. What is the IP of My Room PC? - [Hostel IP Allocation](/page/ip_hostel)   Contact your Hostel Sysads for help with hostel issues. 
3\. How to look for faculty/students' email address? - [LDAP Search](https://camp.iitb.ac.in/) 
4\. How to change your personal details, verify any misprints, add new information, or update password or Ldap password? - [LDAP Login](https://camp.iitb.ac.in/cgi-bin/index.cgi) 
5\. How to Check my emails? ([Webmail SSO](https://webmail- sso.iitb.ac.in)|[Webmail](https://webmail.iitb.ac.in/)) 
6\. Does IITB Have any news groups or mailing lists? - Yes, See [Mailing List](https://lists.iitb.ac.in/mailman/listinfo) 
7\. My question is not answered here, what do I do? Skim through **How To's** 
8\. Still need help? [Ask a question? or Register Problems/Issues](https://help-cc.iitb.ac.in/) 
9\. FYI - [Complaint Poilicies](/page/complaintpolicy) 



#### Webmail FAQ's 
  


#####  Composing new mails  ![](/assets/icons/Plus.svg) 
  1. Click on envelope icon with a plus(+) sign (see the red arrow)   ![](/attachments/webmailfaqs/image1.png) 
  2. Fill to, cc, bcc fields as per need and compose your mail   ![](/attachments/webmailfaqs/image2.png) 



#####  Creating Filters  ![](/assets/icons/Plus.svg) 
  1. Click on gear icon after you login to webmail.iitb.ac.in (indicated by red arrow)   ![](/attachments/webmailfaqs/image3.png) 
  2. Click on Filters on the left-most list of settings categories   ![](/attachments/webmailfaqs/image4.png) 
  3. Click on plus(+) icon in the Filters category, choose appropriate folder to save mail into from the drop-down menu   ![](/attachments/webmailfaqs/image5.png) 



#####  Creating Folders  ![](/assets/icons/Plus.svg) 
  1. Click on gear icon after you login to webmail.iitb.ac.in   ![](/attachments/webmailfaqs/image6.png) 
  2. Click on Folders on the left-most list of settings categories   3. Click on plus(+) icon, then , choose appropriate name and parent folder. Click the save button   ![](/attachments/webmailfaqs/image7.png) 



#####  Re-creating Custom Signature on Webmail  ![](/assets/icons/Plus.svg) 
  1. Click on gear icon after you login to webmail.iitb.ac.in    ![](/attachments/webmailfaqs/image8.png) 
  2. Click on Identities on the left-most list of settings categories and add details for your signatures.   ![](/attachments/webmailfaqs/image9.png) 
  3. Check the html checkbox to add customized html signatures   ![](/attachments/webmailfaqs/image10.png) 



#####  Setting Auto-reply  ![](/assets/icons/Plus.svg) 
  1. Click on gear icon after you login to webmail.iitb.ac.in (indicated by red arrow)   ![](/attachments/webmailfaqs/image11.png) 
  2. Click on Filters on the left-most list of settings categories   ![](/attachments/webmailfaqs/image12.png) 
  3. Click on plus(+) icon in the Filters category      * Choose the all message     * From drop down menu choose “Reply with messages     * Fill the Message body, Message subject etc     * Click on save button   
![](/attachments/webmailfaqs/image13.png) 



#####  Enabling Filters in Webmail  ![](/assets/icons/Plus.svg) 
  1. Click on gear icon after you login to webmail.iitb.ac.in (indicated by red arrow)   ![](/attachments/webmailfaqs/image14.png) 
  2. Click on Filters on the left-most list of settings categories    ![](/attachments/webmailfaqs/image15.png) 
  3. Click on settings icon on the bottom(indicated by red arrow) and click “Enable/Disable”   ![](/attachments/webmailfaqs/image16.png) 



#####  Sorting Mails (eg. Arrival Date)  ![](/assets/icons/Plus.svg) 
  1. Click on the Gear/Settings icon indicated by the red arrow   ![](/attachments/webmailfaqs/image28.png) 
  2. Do the following      * Select "Arrivate Date" (indicated by red arrow no. 1)     * Select Descending (indicated by red arrow no. 2)     * Click on Save button   
![](/attachments/webmailfaqs/image29.png) 
  3. NOTE: You now have all the mails sorted by arrival mails in you inbox 



#####  Multirow display of address while composing mail ![](/assets/icons/Plus.svg) 



Get List 
  1. Click on compose button after you login in webmail.iitb.ac.in   ![](/attachments/webmailfaqs/image30.png) 
  2. Click on search button in left side.   ![](/attachments/webmailfaqs/image31.png) 
  3. Type name of receiver to whom you want to sent mail and press enter.   4. You will get email addresses of matching names listed in multiple rows.   ![](/attachments/webmailfaqs/image32.png) 
  5. Double click on the name of person you want to send mail.   6. You will get the name and mail listed in 'To' field.   ![](/attachments/webmailfaqs/image33.png) 



Get Suggestions 
  1. Click on ‘To’ field in compose page and type name or mail address.   2. You will get suggested names and mail address listed in single row.   ![](/attachments/webmailfaqs/image34.png) 
  3. You can select one you want from them.   4. You will see the name and mail listed in 'To' field.   ![](/attachments/webmailfaqs/image35.png) 



#####  Line spacing issue  ![](/assets/icons/Plus.svg) 
The line spacing when composing mail is very big by default. 
  
![](/attachments/webmailfaqs/image36.png)     

To solve this problem follow following steps. 
  1. Select compose button.   ![](/attachments/webmailfaqs/image37.png) 
  2. Click on 'Editor type'. You will see two options.   3. Select Plain text. And click enter.   ![](/attachments/webmailfaqs/image38.png) 
  4. Now you will see space is reduced.   ![](/attachments/webmailfaqs/image39.png) 
Permanently change 'Editor type' to 'Plain text' 
  1. Click on gear icon after you login to webmail.iitb.ac.in   ![](/attachments/webmailfaqs/image40.png) 
  2. Click on Composing Messages you will see following page.   ![](/attachments/webmailfaqs/image41.png) 
  3. In the field 'Compose HTML messages' select never.   4. Click on 'save' button.   ![](/attachments/webmailfaqs/image42.png) 
  5. Now you can compose main as plain text. 



#### Configuring IITB-Wireless 

#####  Connecting to IITB-Wireless -- Android  ![](/assets/icons/Plus.svg) 
**Connecting to IITB-Wireless -- Android** 
  1. Enable WiFi   2. Click on IITB-Wireless and enter the settings given below   3. No proxy settings are required 
**Settings** 
Field | Values   ---|---   Network Name -- SSID | IITB-Wireless   Security Type | WPA2 Enterprise   Username | [ ldapusername ]   Password | [ ldappassword ]   EAP Method | PEAP   Phase 2 authentication | MSCHAPV2   Encryption type | AES   ca-certificate | unspecified or none   user-certificate | unspecified or none     

**Connecting to IITB-Wireless -- Android 11** 
  1. Download [Self-Signed CA Certificate](attachments/wireless/radius-CA.pem) to your phone.    2. Open Settings --> Security --> Encryption & Credentials --> Install a Certificate --> Wi-Fi Certificate. [ reference](https://support.google.com/pixelphone/answer/2844832?hl=en)   3. Once that is complete, go to Settings --> Network & Internet --> Wi-Fi.    4. Select the SSID, IITBWireless    5. Enter your LDAP Credentials    6. Select installed CA Certificate    7. In place of 'Online Certificate Status' select 'do not validate' or 'request status' ![](/attachments/wireless/1.png)   8. Enter Domain name as 'iitb.ac.in'    ![](/attachments/wireless/2.png) ![](/attachments/wireless/3.jpg)   
**Settings** 
Field | Values   ---|---   Network Name -- SSID | IITB-Wireless   Security Type | WPA2 Enterprise   Username | [ ldapusername ]   Password | [ ldappassword ]   EAP Method | PEAP   Phase 2 authentication | MSCHAPV2   Ca-certificate | Use system certificate (Select the certificate you just uploaded)     

  9. Save at the bottom.    10. Now connect to the SSID.  



#####  Connecting to IITB-Wireless -- Linux  ![](/assets/icons/Plus.svg) 
**Connecting to IITB-Wireless -- Android** 
  1. Enable WiFi   2. Click on Wireless icon and select IITB-Wireless   3. No proxy settings are required 
**Settings** 
Field | Values   ---|---   Network Name -- SSID | IITB-Wireless   Security Type | WPA2 Enterprise   Username | [ ldapusername ]   Password | [ ldappassword ]   Authentication | PEAP   PEAP version | automatic   Inner Authentication | MSCHAPV2   ca-certificate | none     

**Note: For Ubuntu 14.04 users-** 
The ca-certificate settings has to be changed to false. This may be done in the following way: 
Open the file in an editor of your choice: /etc/NetworkManagers/system- connections/IITB-Wireless 
Search for the line: "system-ca-certs=true" 
Change this line to: "system-ca-certs=false" 



#####  Connecting to IITB-Wireless -- Windows  ![](/assets/icons/Plus.svg) 
**Connecting to IITB-Wireless -- Windows** 
  

**One click configuration for Windows 7, 8, and 10 :** 
  1. This installation is by a simple execution of an EXE file compiled by CC for your convenience.   2. Download [EXE file](/attachments/wifi/WiFi_Windows_7_8_10_Setup.exe) (This will work for Windows 7, 8, and 10)   3. Execute the file (by double clicking). Accept it as a trusted source. This will automatically setup your IITB-Wireless profile.   4. Enter your credentials in the pop-up box.   5. In case the pop-up box does not appear, click on the wireless icon and select IITB-Wireless 
  

**Deleting existing profile:** 
  1. In case you are unable to connect after the above, it may be because an incorrect profile stored earlier.   2. Search --> "Wi-Fi settings"   3. Select "Change Wi-Fi Settings"   4. Manage Wi-Fi settings --> Manage known networks   5. Select "IITB-Wireless" --> Forget 
**Manual Configuration of Profile** 
A set of instruction applicable to most operating systems is given below for doing the same 
  1. Open "Network and Sharing Center"   2. Select "Manage Wireless Network"   3. Select "Manually create profile"   4. Enter the details given below   5. Network name: "IITB-Wireless"  (case sensitive)   6. Security type: "WPA2-Enterprise"   7. Encryption type: "AES"   8. Security key: keep this empty   9. Click "Next"   10. Select "Change connection settings"   11. Select "Security Tab"   12. Network Authentication method:  Microsoft: Protected EAP (PEAP)   13. Click on the "Settings" tab besides the above option   14. Remove "Validate Server Certificate" check box   15. Click on "Configure" for EAP-MSCHAP option   16. Uncheck the "automatically use my Windows logon name..." option   17. Click on "Advanced Settings"   18. Select "Specify authentication mode"   19. Select "User or computer"   20. Click "OK "   21. And we are done ! 
Note: Proxy settings are not required 



#####  Connecting to IITB-Wireless -- MacOS  ![](/assets/icons/Plus.svg) 
**Connecting to IITB-Wireless -- MacOS** 
  1. Enable WiFi   2. Click on Wireless icon and select IITB-Wireless   3. Enter the Credentials   4. Connect to the network   5. Proxy settings are not required 
  

Select the Wi-Fi Icon on right corner of the screen. Turn Wi-Fi On. 
![](/attachments/wifi/macos1.png)     

Select “IITB-Wireless” from the Wifi lists. 
![](/attachments/wifi/macos2.png)     

Enter LDAP-ID and password to log in. 
![](/attachments/wifi/macos3.png)     

**To Manually Connect to IITB-Wireless network** 
  1. Turn On the Wifi   2. Select “Find and Join the Wi-Fi network”   3. Enter the details given below:    4. Network name: IITB-Wireless   5. Security : WPA-Enterprise   6. Mode : Automatic   7. Encryption type: AES   8. Username : [ LDAP-ID ]   9. Password : [ password ]   10. Click “Join” 
![](/attachments/wifi/macos4.png) 



#### Configuring Static IP Manually 
  

Please use below pdf's to configure static IP on Windows/Ubuntu OS. 
[![](/assets/icons/PDF.svg)Static IP - Windows.pdf](/attachments/staticip/windows.pdf)   [![](/assets/icons/PDF.svg)Static IP - Ubuntu.pdf](/attachments/staticip/ubuntu.pdf)   


Mail Forwarding Address Form for passing-out students 
* * * 
LDAP Username If your email id is [ldap_id]@iitb.ac.in enter only [ldap_id] 
LDAP Password 
Forwarding Email Address Choose a Forwarding Email Address which is NOT an IIT address. 
In case of Problems raise an issue at [help-cc.iitb.ac.in](https://help- cc.iitb.ac.in) 
##### Mail Forwarding 
× 
... 



#### Server Configuration settings for IMAP/POP 
  

##### **IMAP Settings** 
  

| Incoming Settings| Outgoing Settings   ---|---|---     
| 
Incoming Settings 
| 
Outgoing Settings     
---|---|---   **Field** | **Value** | **Value**   Username | LDAP_ID | LDAP_ID   Password | LDAP_Password | LDAP_Password   Server | imap.iitb.ac.in | smtp-auth.iitb.ac.in   Port | 993 | 587   Security Type | SSL/TLS | STARTTLS     
  

##### **POP Settings** 
  

| Incoming Settings| Outgoing Settings   ---|---|---     
| 
Incoming Settings 
| 
Outgoing Settings     
---|---|---   **Field** | **Value** | **Value**   Username | LDAP_ID | LDAP_ID   Password | LDAP_Password | LDAP_Password   Server | pop.iitb.ac.in | smtp-auth.iitb.ac.in   Port | 995 | 587   Security Type | SSL/TLS | STARTTLS 
  
  
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#### Configuring Netmon Proxy 
  

Below attachments helps to configure netmon proxy on different operating systems 
[![](/assets/icons/PDF.svg)1\. Netmon Windows](/attachments/netmon/Netmon_Windows.pdf)   



#### Accessing IIT servers from Outside IIT 
  

  * Facility is provided to connect to IIT servers (one per department) from outside IIT using telnet and ssh. This facility is implemented by server **login.iitb.ac.in**   * To access any dept. server, one has to use the port allocated for that dept. For each server there are two ports allocated; one for telnet and one for ssh.   * e.g. To access cse dept server using telnet the following command is used **telnet login.iitb.ac.in 5023**   * e.g. To access cse dept server using ssh the following command is used **ssh -p 5022 login.iitb.ac.in** 
NOTE: Though each server can be accessed using telnet and ssh, it is recommended that you use ssh, so that your passwords are not sent in cleartext on the network. The windows clients for secure shell and secure copy can be downloaded from here. 
[PuTTy - 32 Bit](attachments/ssh/putty-0.70-installer.msi) | [PuTTy - 64 Bit](attachments/ssh/putty-64bit-0.70-installer.msi) | **PSCP**     

Department| Server Name| Telnet Port| SSH port   ---|---|---|---     
Department 
| 
Server Name 
| 
Telnet Port 
| 
SSH port     
---|---|---|---   ACRE | brahma.acre | 9823 | 9822   Aerospace | vayu.aero | 1023 | 1022   BTC | helix.btc | 24023 | 24022   CASDE | casde.casde | 1021 | 1020   CC | pawan.cc | 10623 | 10622   CC - PARAM | ??.cc | 11323 | 11322   CFDVS | banyan.cfdvs | 14423 | 14422   Chemistry | ether.chem | 2023 | 2022   Chemical | cupid.che | 3023 | 3022   Civil | gemini.civil | 4023 | 4022   CSE | surya.cse | 5023 | 5022   CSRE | disha.csre | 10523 | 10522   Earth Sciences | pearl.geos | 6023 | 6022   Electrical | bhairav.ee | 7023 | 7022   HSS | manashi.hss | 8023 | 8022   IDC | pragati.idc | 13023 | 13022   IRCC | rnd.ircc | 9123 | 9122   KRESIT | akash.it | 29023 | 29022   Mathematics | ganit.math | 9023 | 9022   Mechanical | epsilon.me | 10023 | 10022   Metallurgy | ispat.met | 11023 | 11022   Physics | niharika.phy | 12023 | 12022   SOM | chanakya.som | 27023 | 27022   SysCon | niyantrak.sc | 12323 | 12322 



#### How to create hompage on homepages.iitb.ac.in 
  

Computer Centre, IITB provides server space for creating home pages for students and faculty members alike. These pages are accessible to everyone. Please take care to provide proper information on these pages. 
**How to create hompage on homepages.iitb.ac.in OR home.iitb.ac.in ?** 
  1. For creating home pages, you have to first login to below given url with your LdapID and password.   <https://bighome.iitb.ac.in>   You can also use Owncloud’s desktop synchronization folder for the same. 
  2. After successful login create a 'public_html' folder in your home directory.   3. Copy all web pages (*.html files) in public_html.   4. Please make sure an “index.html” file must be present among the web pages.   5. The URL for your homepage is: - **“http://homepages.iitb.ac.in/~LDAPID”**. 
Note:- 
Please do not put any copy righted information without permission from the corresponding authors, do not put any objectionable material, any election related propaganda, any commercial material or announcements, etc. 
Computer Centre is not responsible for any damages caused due to fake information or improper usage of the provided service. 
The user of the account will be held responsible in such cases and will have to face disciplinary actions. 



#### Subscribing to discuss faculty/staff mailing list 
  

**For Faculty** 
  * Faculty can subscribe to discuss faculty mailing list using the following [link](https://lists.iitb.ac.in/discuss-faculty/)   * Once subscribed you will receive a confirmation email on the given email ID   * You need to accept the confirmation (by visiting the url given in confirmation mail) within 24 hours.   * Post acceptance you will be subscribed to discuss faculty mailing list 
  

**For Staff** 
  * Staff can subscribe to discuss staff mailing list using the following [link](https://lists.iitb.ac.in/mailman/listinfo/discuss-staff)   * Once subscribed you will receive a confirmation email on the given email ID   * You need to accept the confirmation (by visiting the url given in confirmation mail) within 24 hours.   * Post acceptance you will be subscribed to discuss staff mailing list 


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#### The ownCloud file hosting facility 
  

The attachments are brief tutorials for managing your ownCloud account, setting up synchronisation and using the Android app for the same. 
[![](/assets/icons/PDF.svg) 1.The ownCloud Web Interface doc.pdf](/attachments/bighome/1.The ownCloud Web Interface doc.pdf)   [![](/assets/icons/PDF.svg) 2.Setting Your Preferences.pdf](/attachments/bighome/2.Setting Your Preferences.pdf)   [![](/assets/icons/PDF.svg) 3.Managing Deleted Files.pdf](/attachments/bighome/3.Managing Deleted Files.pdf)   [![](/assets/icons/PDF.svg) 4.Installing the Desktop Synchronization Client.pdf](/attachments/bighome/4.Installing the Desktop Synchronization Client.pdf)   [![](/assets/icons/PDF.svg) 5.Using the Synchronization Client.pdf](/attachments/bighome/5.Using the Synchronization Client.pdf)   [![](/assets/icons/PDF.svg) 6.Using the ownCloud Android App.pdf](/attachments/bighome/6.Using the ownCloud Android App.pdf)   [![](/assets/icons/PDF.svg) 7.Using the ownCloud iOS App.pdf](/attachments/bighome/7.Using the ownCloud iOS App.pdf)   [![](/assets/icons/PDF.svg) 8.Collaborative Document Editing.pdf](/attachments/bighome/8.Collaborative Document Editing.pdf)   [![](/assets/icons/PDF.svg) 9.File Sharing.pdf](/attachments/bighome/9.File Sharing.pdf)   



#### Methodology of Getting mailing list password 
  

Procedure for Retriving Password to Access Attachments is shown in below pdf 
[![](/assets/icons/PDF.svg)Getting Mailing List Password.pdf](/attachments/mailinglistpassword/howto_lists_passwd.pdf) 



#### Spoken Tutorials 
  

An initiative of National Mission on Education through ICT, Government of India, to promote IT literacy through Open Source Software. To know more about this free service using audio-video tutorials please visit the site. 
Please click [here](https://spoken-tutorial.org/) 



#### Creating Subnets 
  

**To have two subnets in each department one for windows OS and other for non- windows OS** 
1) There will be two subnets : 
* * * 
(a) Windows OS Subnet : Which contains all the windows machines where the     
IP range : 10.xx.128.0 - 10.xx.255.0   gateway : 10.xx.250.1   subnet Mask : 255.255.128.0, where xx is the dept. id.   
Ex : A windows machine in CSE dept will have     
IP - 10.105.206.1   gateway : 10.105.250.1   mask : 255.255.128.0   
* * * 
(b) The other subnet will be non-windows which will include unix, Linux, HP, Solaris, Mac OS machines     
IP range : 10.xx.0.0 - 10.xx.127.0   gateway : 10.xx.1.250   subnet Mask : 255.255.128.0, where xx is the dept. id.     
****Please note that this is the same "xx" which you used to use earlier.   
Ex : A linux machine is CSE dept will have     
IP - 10.105.106.1   gateway : 10.105.1.250   mask : 255.255.128.0   
* * * 
  

2) Faculty machines will be allocated with the IP addresses in the range 
linux : 10.xx.5.0 - 10.xx.5.255   Windows : 10.xx.5+128.0 - 10.xx.5+128.255 
  

3) All the labs/computer rooms are allocated with the IP addresses in the range 
Linux : 10.xx.11.0 - 10.xx.30.255   Windows : 10.xx.11+128.0 - 10.xx.30+128.255 
  

4) In case of servers : 
It has been observed that most of the servers are non windows based servers but in case if there are any windows based servers you need to change the IP address of the server according to the information above. 
For example : 
Valid IP address for non-windows based server : 10.102.2.1   Valid IP address for windows based server : 10.102.220.1 
* * * 
  

In any case gateway and subnet mask need to be changed according to the information above. 
Please note that there is no change in DNS entry so DNS will remain same , DNS : 10.200.1.11 
Please note that when the IP's (machines/servers) which are listed in the DNS, are changed we also need to change the entries in the DNS correspondingly. So we request you to provide us the consolidated information of the changed IP's. 
  


**How to change the IP's in different operating systems :** 
  

* * * 
**Windows** 
  1. Go to "Contro Panel"   2. Go to "Network & Internet --> View Network Status & Tasks"   3. Click on the respective connection   4. Go to "Properties"   5. Select "Internet Protocol Version 4 (TCP/IPv4)"   6. Click on Properties   7. Select "Use the following Ip address" option   8. And fill all the fields. 
To check whether you have entered the correct values or not 
(a) Go to command prompt   (b) Type ipconfig/all, which will display all the values.   (c) finally reboot the machine for the changes to take place. 
* * * 
**Linux** 
(a) Login as a root   (b) go to **/usr/sbin/setup**   (c) Select the "Network configuration" option   (d) Type the respective IP,gateway and subnet mask   (e) Finally reboot the machine for the changes to take place. 
Note:   (a) In case even after rebooting if the linux machines are unable to connect then you will probably need to change the IP address in the file **/etc/sysconfig/network-scripts/ifcfg-eth0 or ifcfg-eth1,eth2** depending upon the type of device.     
**Please add the subnet mask and the IP address in the above files. Please donot add the gateway in these files.**     
(b) Gateway should be added only in **/etc/sysconfig/network.**     
(c) To check whether all the values are entered correctly or not, type **/sbin/ifconfig** for the confirmation where you would see the IP address and subnet mask. 
* * * 
**Solaris** 
(a) On solaris, update **/etc/hosts, /etc/defaultrouter, /etc/defaultdomain**.   (b) To setup the subnet mask in solaris go the following file **/etc/netmasks** 
* * * 
**Mac** 
  1. Go to "Macintosh HD" icon which will be there by default on the desktop   2. Click on "Application" option   3. Go to "System Preferences" and then click on "Network" option and enter the values.   4. Reboot the system for the changes to take place.   5. To ensure that you have entered the correct values   Open a console and type **/sbin/ifconfig** or   Go to "Application" option and then click on "utilities" and then "Network Utilities" 
  

* * * 
  

**Please note that you need to reboot the system after changing the IP's for the changes to take place.** 



#### Information on APT & YUM 
  

#####  APT Command  ![](/assets/icons/Plus.svg) 
apt-get is the command-line tool for handling packages, and may be considered the user's "back-end" to other tools using the APT library. apt(Advanced Package Tool) 
Overview of apt commands 
apt-get update | Download package lists. Packages change several times daily, so do this often.   ---|---   apt-get dist-upgrade | Update all packages.   apt-get install | Install/upgrade specific package(s) (and its dependencies, if missing any).   apt-get mirror-select | Choose repositories and mirrors for use with apt (fedora.us specific extension).   apt-cache search | Search all known packages entries (descriptions etc) for word.   apt-cache show | Show basic information about a package.     

See man apt-get and man apt-cache for more details. 
**Note:** The apt tools will only work if you have clean dependencies in your rpm package database, if you have installed or removed rpms with either --nodeps or --force, chances are you will have unmet dependencies (ie: package "a" needs package ``b'' to be able to work, but package ``b'' is not installed). ``apt-get'' will warn you of any conflicts or unmet dependencies, and you will have to fix them before trying to install packages with apt-get. 
#####  YUM Command  ![](/assets/icons/Plus.svg) 
yum is an interactive, automated update program which can be used for maintaining systems using rpm.To use yum with fedora you must have yum installed. On Fedora Core yum is included in the distribution. 
Overview of yum commands 
yum list | List all available packages.   ---|---   yum check-update / yum list updates | See if there are updated packages available.   yum update | Update all installed packages that have a newer version available.   yum install | Install specific packages and their dependencies.   yum search | Search all known packages entries (descriptions etc) for word.   yum info | Show basic information about a package.     

All of the above commands can take shell-style wildcards (*,?) instead of a package name. Check the yum man page for more details. 


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#### Skype on Linux 
  

**Instruction to Install Skype on Linux** 
This document describes how to use Skype under a linux Desktop (Fedora Release 10). The procedure is for networks within IIT Bombay Campus. 
It is required that you have a skype id and the skype software is installed in your computer. (Visit [www.skype.com](https://www.skype.com/en/) for more info.) 
Start skype by issuing the command skype at a terminal window in a desktop or from the dektop Applications menu -> Internet -> Skype. 
![](/attachments/skype/skype.png) 
Accept the Skype end User License Agreement dialogue box will appear 
![](/attachments/skype/skype2.png) 
The Skype Welcome window will be seen. Cick on the small icon at the left hand corner of the Skype Welcome window and select Options or Press (Ctrl + O) to configure the proxy settings. 
![](/attachments/skype/skype3.png) 
The Options windows will appear. Click on the Automatic Proxy Detection selector bar and select HTTPS Proxy 
![](/attachments/skype/skype4.png) 
Enter the proxy server netmon.iitb.ac.in in the Host field and port field as 80, followed by the User and the Password for the proxy server (i.e., netmon.iitb.ac.in). 
![](/attachments/skype/skype5.png) 
Apply these settings by clicking on the Apply button. 
![](/attachments/skype/skype6.png) 
Click on Close to close the Options Dialogue box. 
![](/attachments/skype/skype7.png) 
Close the Skype application. 
![](/attachments/skype/skype8.png) 
Now your skype application is configured for use. Please note that the above steps need not have to be repeated next time onwards. Start Skype application. 
In the Welcome to Skype provide your **Skype Name** that you have obtained while registering yourself at the site [www.skype.com](https://www.skype.com/en) and the corresponding **password** in the Password 
![](/attachments/skype/skype9.png) 
Now Click on Sign in 
![](/attachments/skype/skype10.png) 
Now you will get connected 
![](/attachments/skype/skype11.png) 
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