Ubuntu

How to check hard drive in Ubuntu terminal? Command to check total hard disk size in Ubuntu – df command to check disk space in gb. The “df” command is for “disk filesystem” and is a great tool to know about the disk space usage on Linux Systems. The df command displays the amount of […]

How to check battery status in Linux terminal using commandline. Here is how to use Linux laptop battery tool to monitor battery usage in Ubuntu Linux systems. Using upower command and acpi command in Linux one can easily view the information about the system battery in terminal. upower upower is a command line tool to […]

Fixing error – username is not in the sudoers file. this incident will be reported. Fix username is not in the sudoers file in Ubuntu or Debian. Reason for the error “Username is not in the sudoers file. This error is reported in Ubuntu when: The permission on /etc/sudoers file is not set to 0440. […]

Linux kernel 5.17 Released. How to install Linux Kernel 5.17 on Ubuntu 21.10 and Ubuntu 22.04. It comes with an initial support for next-generation Raptor Lake S graphics and Sierra XM1210 receiver. Linus Torvalds announced that: So we had an extra week of at the end of this release cycle, and I’m happy to report […]

How to find file in subdirectories Linux – find file recursively in Linux. Here is the Unix command to find a file in a directory and subdirectory. What is Recursive Listing of a Directory Recursive means if a directory has subdirectories and files, the command will be executed and applied on those files too (recursively). […]

How to cut and paste in Ubuntu terminal? Know these keyboard shortcut for copy and paste in Ubuntu terminal. Users can easily enable copy and paste in Ubuntu terminal. In most of the application, keyboard shortcuts for Cut, Copy and Paste are Ctrl + X, Ctrl + C and Ctrl+V respectively. But in Linux Ubuntu […]