Linux and Unix, Open Source, Linux Howtos
In some cases, you may need to find a block device mapped against a logical unit number (LUNs) for filesystem (FS) expansion or disaster recovery (DR) activity. Also, this information …
How to Mapping Linux Block Devices to Storage LUNs Read More
Deleting (or removing) a file in Linux from the command line can be done using the rm command. It allows you to delete more than one files at once. Also, …
How to Remove Multiple Files at once on Linux Read More
We all know that by default every command output is displayed on the terminal after execution. The output of a command can be used as a variable or input to …
How to save a command output to a file in Linux Read More
The tee command reads standard input (stdin) and writes the result to standard output (stdout) and one or more files simultaneously. It basically displays the command output on the terminal …
Linux tee command with examples Read More
systemd is a system and service manager for Linux operating systems. When you install any application from a repository, it will drop a service unit file into the systemd directory …
How to create a systemd service unit file in Linux Read More
In this article, we’ll show you how to manage the systemd units using systemctl command. What’s systemd? systemd is a system and service manager for modern Linux operating systems, which …
How to manage systemd units with systemctl Read More
By default, the Linux system cannot play most video files that are in encrypted formats (proprietary media formats) if you do not have the required Media Codecs installed on your …
How to install Multimedia Codecs in Linux Read More
The firewall is essential for controlling the flow of network traffic in and out of the Linux server. It enables users to control incoming network traffic on host machines by …
How to configure firewalld rules in Linux Read More
‘usermod’ & ‘passwd’ commands are used to lock or unlock one user account at a time, but you may need to write some small shell scripts to perform this action …
How to lock & unlock multiple users in Linux Read More
Sometimes we might need to kill a user session in Linux based on requests, which can be done by sending SIGNALS with kill command. We need to send one of …
How to Kill user sessions in Linux Read More