How to generate a random password from commandline
Passwords are the key to security. For obvious reasons, passwords need to be strong, long and secure. Sometimes generating complex and secure passwords can be a bit time taking.
How to use arping to bind IP in a Linux Server
arping can be a very handy tool when your main task is to migrate IP addresses across servers. When we migrate IP addresses, the switch or the networking device will cache the information and switch the packets to the old server, and thereby keeping the IP in the new server down.
How to Setup an FTP server using PureFTP
Setting up a PureFTP server is rather easy. I am making it easier. In a CentOS server, follow these steps to install a fully standalone PureFTP server, without PAM authentication.
How to Schedule Tasks Using Cron
Task scheduler is quite necessary a tool in any operating system. We may need to schedule upgrades, or scripts to run at regular intervals so that our application will be functioning as expected. Linux comes with a default task scheduler called Cron.
How to change the primary IP addres of a Linux / cPanel server
Normally in all servers, the outbound connections from a server will be originating from the primary IP of the server. This is the case in a cPanel server as well. So if an IP is blacklisted, or blocked, some where we may need to change the primary IP address of the server. If we are changing the network range this is needed.
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