Sometimes you may need to compare two files in Linux. Here is how to compare two files in Linux.
Ubuntu
Linux Split File into Multiple Files
Sometimes you may need to separate sections for split file by size, split file by pattern, split file every n lines, split txt file into multiple files. Here is how to split file into multiple files in Linux.
How to Disable Unnecessary Services in Linux
Unnecessary services consume CPU and memory in Linux. Here is how to find and disable unnecessary services in Linux.
How to Use Journalctl Command in Linux
Journalctl allows you to query systemd logging facility journald. Here is how to use journalctl command in Linux.
How to Grep Log File Within Specific Time Period in Linux
Sometimes you may need to grep log file within specific time period in Linux or extract logs with timestamp. Here are the steps to do so.
How to Block or Disable User Login in Linux
Sometimes you may need to block or disable user login in Linux. Here is how to prevent user login in Linux.
How to Remove Unused Kernels in Ubuntu
Often you may need to remove unused and old kernels to save disk space. Here is how to remove unused kernels in Ubuntu.
Ubuntu Change Terminal Font Size & Color
Sometimes you may want to customize terminal font size & color from default style. Here is how to change terminal font size & color in Ubuntu.
How to Truncate File in Linux
Truncate command allows you to truncate file contents in Linux. Here is how to truncate file in Linux.
SCP command in Linux to copy file from one server to another
SCP utility allows you to securely copy files & folders between two locations. Here is the SCP command to copy file from one server to another.