Get List of Groups in Linux

Get List of Groups in Linux

When working with Linux system as a administrator, may need to get a list of all groups in the system or to count the number of groups. This tutorial explains...
Use sudo Without Password in Linux

Use sudo Without Password in Linux

When executing commands as sudo user in Linux, the system asks to provide password for authentification. It might be annoying when system is used for testing purpose. This tutorial shows...
Generate SSH Key Pair in Linux

Generate SSH Key Pair in Linux

SSH keys can be used to establish a secure connection to remote host using SSH protocol. SSH supports password-based authentication, but recommended to use SSH keys instead. This tutorial demonstrates...
Get Public IP Address in Linux

Get Public IP Address in Linux

When troubleshooting network connectivity issues, may be helpful to know public IP address of the machine. A public IP address is an IP address that is used for communication between...