Download software from Play or Apple Store

   

Download software from the following link and drag the config file

 

https://openvpn.net/client-connect-vpn-for-mac-os/

 

• Open Terminal
• Install OpenVPN

Installing Command for Ubuntu

sudo apt-get install openvpn network-manager-openvpn-gnome

Installing Command for Centos

yum install openvpn

Connecting to VPN

• Open Terminal
• Go to the folder where the configuration file is downloaded. i.e. cd Download
• Enter the following command to login

Please note that the next step is not direct copy/paste.

You would have to enter the file name of your 'configuration_file' i.e. the downloaded .ovpn file

sudo openvpn --config YOUR-DOWNLOADED--OVPN-FILE.ovpn --tls-version-min 1.0 --auth-nocache

You will be prompted for VPN Login Id and after that the password for the same. Enter your Full Email ID OR username For eg.: xyz@hbcse.tifr.res.in or xyz and its respective password. (xyz, in this case, will be replaced by your username) After entering the credentials, an attempt for connecting to the VPN would be made. If you see the message,

Initialisation sequence completed.

You are connected to VPN now. Don't close the terminal

Disconnecting from the VPN

Go to the terminal from where you connected to VPN Use the combination Ctrl+C on the keyboard or close the terminal to logout  

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Alternative Method: HBCSE VPN (GUI)

Note: This is applicable for newer versions of Ubuntu only i.e. 18.04 and higher.

1. Open .ovpn file in a text editor
2. delete 6th line : "route remote_host 255.255.255.255 net_gateway". & save the ovpn file.
3. Now import the ovpn file in Linux Network Manager(VPN option "+" button --> import from file)