Ubuntu Linux Change Hostname (computer name)
I am a new Ubuntu Linux laptop user. I setup my computer name to ‘tom’ during installation but now I would like to change the computer name to ‘jerry’. Can…
Remove grep command while grepping using ps command
I use ps command to find out all running process on my Linux and Unix system. The ps command shows information about a selection of the active processes on shell….
How do I count how many processes are running in Linux?
How do I see how many processes are running in Linux? How can count all running processes in Linux?A Linux process is nothing but running instance of a program or…
Kubuntu Linux Focus Laptop Announced
Kubuntu is a free and open-source version based upon Ubuntu Linux. Kubuntu flavor uses KDE instead of GNOME desktop. Now, the Kubuntu project announced the first authorized laptop called Kubuntu…
Grep From Files and Display the File Name On Linux or Unix System
How do I grep from a number of files and display the file name only? How do I force the grep command to display the filename before the matching lines…
Remove Santa Hat in VLC Player Permanently
How do I remove Santa Hat in VLC media player that displayed during Christmas time during 18th December to 1st January?When you open the VLC media player in December, you…
Python Get Today’s Current Date and Time
How do I find out the current date and time in Python? What is the module or function I need to use to get current time or date in Python…
CentOS 8 update installed packages for security
I need to update installed packages for security on CentOS 8.x (CentOS Enterprise Linux) server. How can I update my CentOS 8.x system using yum command?Keeping your system, kernel, docker…
How to install tar on RHEL/CentOS 6/7/8 using yum
I am trying to extract a file using ‘tar xvf file.tar.gz’ syntax, but I am getting an error:bash: tar: command not foundHow do I fix this problem? How can I…
How to Install PHP 7.x on CentOS 8 For Nginx
How do I install PHP 7.x on CentOS 8 Linux server along with Nginx? How can I install the latest version of PHP 7.4 on CentOS Enterprise Linux 8 server?PHP…
killersheep – Silly game for Vim version 8.2
Vim is my favorite text editor and version 8.2 released. The new version includes support for popup windows and text properties. Popup windows can be used for many purposes. For…
How to install htop on OpenSUSE Linux using zypper
I am a new sysadmin of OpenSUSE Linux operating system. How do I install htop on OpenSUSE using the zypper command?htop is nothing but Interactive process viewer for OpenSUSE Linux…
Linux check the physical health of a USB stick [ Flash drive ]
How do I check the physical health of a USB stick in Linux operating systems? How do I check USB flash drive in Linux? Can you tell me Linux command…
Linux / Unix Desktop Fun: Christmas Tree For Your Terminal
Let us create Linux or Unix console Christmas tree and snow on your Linux desktop just for fun and profit. One can display animated Christmas tree in terminal using either…
How to see Time-To-Live (TTL) for a DNS record
How do I see Time-To-Live (TTL) for a DNS record using Linux, macOS, *BSD, or Unix-like systems command line option? How do I find my DNS TTL?TTL is an acronym…
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