There could be situations wherein you need to create random number or a random file name or a random password. Lets do it through a shell s...

 You need to create  personal access tokens to use in place of a password with the command line or with the API.  As a security precaution, ...

  Ping  is a simple, widely used, cross-platform networking utility for testing if a host is reachable on an network. It works by sending a ...

Firewalld  (firewall daemon) is an alternative to the  iptables  service, for dynamically managing a system’s firewall with support for net...

While doing troubleshooting for a communication issue with telnet , i  encountered  following error " telnet: connect to address : No r...