In case if you unable to login through ssh connection or you want to reset root password, can do update in single user mode on Xen virtualization,

If you are forgot the MySQL server root password easily update it. This post sections provide password-resetting steps on Linux system.

If you have necessary to find and remove a specific line from am file on Linux system use following different command, For example the below command remove a line which contain a string,

When I am configuring bridge connection network on CentOS system getting error RTNETLINK answers: Operation not supported.

You may get an error while installing or update packages using YUM command on Linux system, Error: database disk image is malformed.

You may need to listen multiple IP addresses to be served for a domain, just add like following configuration. Open a nginx.conf file by text editor vim or vi.

You may need to setup several IP addresses to be served by the same physical network interface. You may need to setup few IP addresses to be served by same virtual network interface.