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How to Add a User to Sudoers on Debian

Upon the setup of a new Debian system, a default root account is created. The root user has full system access and privileges and...

How to check disk space on Unix servers

I recently switched from a Windows server 2016 to a FreeBSD Unix server. I need to check disk space on Unix command line. How...

How to delete a UFW firewall rule on Ubuntu, Debian Linux

How do I remove and delete a UFW firewall rule running on Ubuntu or Debian Linux? UFW is an acronym for an uncomplicated firewall. Securing...

How to Configure sources.list on Debian 10

Debian is one of the most popular Linux distributions of all time, and now it got a new version release Debian 10 Buster. There...

How to install LAMP on Debian 10 Buster Server/Desktop

How do I install a LAMP stack on Debian 10 (Buster)? The LAMP is an acronym for software stack that includes Linux, Apache web server,...

How to Reboot Linux Using Command Line

How do I reboot my Linux based system? How do I reboot a remote Linux system or server using command line? Linux comes with various...

How To Use chmod and chown Command in Linux

How do I use chmod and chown command under Linux / Unix operating systems? Use the chown command to change file owner and group information....

How to Add an Item to List Using Append() Command

We have a list of numbers or strings, and we want to append items to a list. Basically, we can use the append method to...

How to check CPU temperature in OpenSUSE Linux

How do I check CPU temperature in OpenSUSE Linux using a command line and GUI tools on my Thinkpad laptop? One of the most common...

How to Check OS Version in Linux Command line

I am a new Linux system user. How do I check os version in linux command line? Linux is a free and open source operating...

How do I force delete a directory in Linux?

  I am trying to delete a directory in Linux using the rmdir dir1 command. But, I am getting an error that read as follows: rmdir:...

How to List Cron Jobs in Linux

For linux to automatically perform tasks that you would otherwise have to perform yourself, such as running scripts and executing specific commands, we use...

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