Useful tips for everyday
How do I check if a string is null in Shell? To find out if a bash variable is null: Return true if a bash…
How do I install Ubuntu next to Windows 7? Follow the steps below to install Ubuntu in dual boot with Windows: Step 1: Create a…
How do I share printer CUPS? How to Share Printers with Lion Server’s CUPS Interface Click the Administration tab. If you haven’t turned on printer…
How do I delete a timestamp? You say the file names contain a timestamp. You can remove files from the directory by using a combination…
How to exclude lines from a file in grep? But how do I exclude lines containing either of string1 or string2. Another option is to…
How do I allow ports in firewalld? Open or close server ports Log in to the server console. Execute the following command, replacing the PORT…
How do I download MuseScore on Linux? More videos on YouTube Install Linux Virtual Machine called Crostini. Download Musescore AppImage package. Configure AppImage to run.…
How to configure IPv6 address in Linux? Configure IPv6 address using Network Manager. Open Network Manager Console from your Linux node # nmtui. Select Edit…
How do I shutdown a SSH server? To stop and disable the SSH server, proceed as follows: Open a terminal. Become root . Issue the…
Does Centos 6 use systemd? RHEL6 and CENTOS 6 were using service command to manage system services. From RHEL7 onwards systemctl is used to manage…