Normally Linux kernel had support 8 loop device compiled into it. If you have tried to configure virtualization system asking more loops to run in the server,

As a MySQL administrator frequently use Mysqladmin command for managing mysql server, getting information about database, reset password, create and drop database, current status and more.

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,

Unfortunately the apache server has been stopped and when tried to start getting an error like below,

If you unable to send an email from Exim server, you need to check in Exim main error log, it is generated below errors.

It is very useful tool for install, build, manage and remove packages. Also can be support Debian based operating system,