CentOS/RHEL Archives - Page 5 of 37

How to Delete All Text in File Using Vi Editor

Sometimes you may need to delete all text in file using vi editor. Here are the steps to do it.

Sometimes you may need to edit hex files in Linux. Here are the steps to do it.

Sometimes you may need to add/remove software repository in Fedora/RHEL/CentOS Linux. Here are the steps to do it.

Sometimes you may need to password protect Vim file in Linux. Here are the steps to do it.

Sometimes you may need to find out Linux server location. Here are the steps to do get geo location of remote server.

It is good to encrypt your hard drives to protect data and secure your system. Here is how to encrypt drives using LUKS in Linux.

Sometimes you may need to limit memory & time of processes in Linux. Here are the steps to do it.

Sometimes you may need to use yum history to find installed or removed packages in Linux. Here is how to do it in RHEL/Fedora/CentOS.

Sometimes you may get ‘No Route to Host’ SSH error in Linux. Here are the steps to fix it.

Sometimes you may need to use a Xargs command to kill processes in Linux. Here are the steps to do it.