In this post how to replace and remove one or more lines in a file using sed command with example.

Do you want to insert multiple lines below of a specific line sed command will help us with different cases,

MySQLdump is very effective tool to collection of databases for backup or restore into another SQL server. There are three general ways to use mysqldump command in Linux server.

History will shows the list of commands which you have executed previously. Would you like to view information on when you executed these commands,

Tmpwatch tool is analyze and recursively delete files which have not been used certain period of time, especially clean up unwanted backup or /tmp directory or unused files.

Yes, its possible to be change user home directory. By default the user working directory creating in /home, do you like to modify following below steps.

When you try to install any packages like yum install httpd its shows error like,