Articles by Omer Cakmak
How to Use Screen in Linux [List, Attach, Detach, Close]
Learn how to use the screen command in Linux to manage persistent terminal sessions. Includes examples to list, attach, detach, rename, log, and close screen …
Restart Crontab in Linux (Cron Reload & Restart Commands)
Learn when and how to restart crontab in Linux. See cron restart and reload commands for Ubuntu, Debian, RHEL, CentOS—and when a restart is NOT required.
zsh: command not found: pip – Fix with pip3 & PATH in 2 Minutes
We explore the different root cause for getting zsh: command not found: pip error in Linux and how to fix those errors.
Install phpMyAdmin on Rocky Linux 9 [Step-by-Step]
Step by step instructions to install phpMyAdmin on Rocky Linux 9 using 2 different methods.
How to use du to sort files by size? [SOLVED]
du stands for disk usage which is one of the most used tool in Unix/Linux to estimate the file space usage. Here are some commonly used command arguments and
rmmod Command Examples in Linux
The rmmod command in Linux is used to remove a module from the linux kernel.
15+ Tips to PROPERLY sort files in Linux [Cheat Sheet]
The simplest way to sort files in Linux is to sort them alphabetically by name. This is done using the ls command with the -l option and piping it to the sort
How to use pip requirements file? [SOLVED]
A pip requirements file is used in Python projects to specify the dependencies of the project, and to ensure that these dependencies can be easily installed on …
How to Create Dropdown List in SoftMaker PlanMaker
In this tutorial we will be covering different methods to create dropdown list in SoftMaker PlanMaker. Now this article assumes that you already have
Install Specific Version with APT Package Manager
You can follow the below provided steps to install a specific version of package using APT package manager on Debian-based Linux distributions (like Ubuntu):
What is SSH Multiplexing and How to use Securely?
This tutorial covers SSH Multiplexing, explaining its benefits, setup, and use cases. We'll guide you through configuration steps, security best practices, and …
SCP vs RSYNC - Which one to use in Production?
This tutorial covers the basics and differences between SCP and Rsync, when to use each, their performance, security considerations, practical examples, and …
How to add user to sudoers or sudo group in Ubuntu
In this tutorial will answer all those questions and will also guide to add user to sudo group so that the user can perform tasks which otherwise would be
How to install Dropbox on Ubuntu [6 Methods]
In this tutorial we will explore 6 different methods to install Dropbox in Ubuntu.
How to install OpenSSL in Ubuntu? [SOLVED]
Then install openssl package:
How to Install CUDA on Ubuntu [Step-by-Step]
This tutorial guides you through detailed steps to install CUDA on Ubuntu, covering driver installation, toolkit setup, verifying installation, compiling a
How to Install Nvidia Drivers on Ubuntu [4 Methods]
This tutorial guides you through step by step instructions to install Nvidia drivers on Ubuntu, covering different methods like GUI, command line, and PPA …
6 Methods to List Installed Packages in Ubuntu in 2024
In this article, we will discuss how to list installed packages in Ubuntu using the command line interface. By following these instructions, users can easily
How to install zlib on Ubuntu?[100% Working]
Different methods to install zlib on Ubuntu with step by step instructions.
Recover Lost Files PartedMagic [100% Working]
Parted Magic is a commercial Slackware-based Linux distribution that comes with partitioning and data recovery tools. The distribution's name is derived from
Steps to Install VSCode on Ubuntu 22.04 [6 Methods]
Step by Step instructions to install Visual Studio Code on Ubuntu 22.04 using 6 different methods
How to install and setup ZFS in Rocky Linux 9
Install and Setup ZFS in Rocky Linux 9 with examples to create a ZFS Pool
How to undo rm in Linux? [100% Working]
We can use trash utility to undo rm in Linux. ALternatively there some precaution measures which can be adapted to avoid removal of important data in Linux.
PROPERLY recover lost files Linux [100% Working]
Step by Step instructions to recover lost files in Linux using photrec with screenshots
Simple TRICKs to check size of hidden files in Linux
2 ways to check size of hidden files in Linux. Use ls and du command to check size of hidden folder in Linux with practical examples
How to Install Plex on Ubuntu? [Step-by-Step]
In this tutorial we will demonstrate step by step instructions to install Plex on Ubuntu.
Linux File Descriptors [In-Depth Tutorial]
In this tutorial we will explain everything you need to know about Linux File Descriptors.
How to Install XeroLinux? [Step-by-Step]
Step by Step instructions to install xerolinux with screenshots.
Install OpenTracker on Debian [Step-by-Step]
Looking to install OpenTracker on Debian? This step-by-step guide provides instructions on how to set up this real-time GPS tracking software on one of the most …
Install GameMaker Studio on Linux [Step-by-Step]
GameMaker Studio is a popular game development tool used by many indie game developers around the world. It provides an easy-to-use interface and powerful
How to Install Jellyfin on Ubuntu? [Step-by-Step]
Discover how to install Jellyfin on Ubuntu, an open-source media server that allows you to manage and stream your media content with ease. Follow this …
How to install PostgreSQL Rocky Linux? [SOLVED]
Step by step instructions to install postgresql from default repository or from online archive. You can download and install custom postgresql version from …
How to create user in Linux? [SOLVED]
If you have not integrated Linux servers into a central user authentication such as LDAP/Active Directory, you will have to create local users many times.
Increase sound more than 100 in Ubuntu? [SOLVED]
VLC and some media players allow you to increase the volume up to 200%. In the operating system, it is possible to increase the volume as the system allows.
How to enable UTF-8 in Linux? [SOLVED]
If you are working on Linux operating system, you should use these converters. If you have received a warning/error regarding UTF-8, read this post. In this
PROPERLY disable IPv6 in Rocky Linux [SOLVED]
IPv6(128-bit address) is a protocol that will replace the IPv4(32-bit address) network protocol and provide a much larger network address space usage. It is
How to install Wireshark on Ubuntu? [SOLVED]
In this article, we will install Wireshark, which can be installed on many different operating systems, on Ubuntu.
How to run memtest on Ubuntu? [SOLVED]
Memtester is a memory testing program designed to stress test and test the system's random access memory for errors by writing test patterns to most memory
Downgrade Ubuntu to previous version? [100% Working]
Step by Step instructions to download Ubuntu to previous release
Learn Linux wheel group usage [With Examples]
Learn what is the significance of wheel group. Any user part of this group gets root level access so this should be used cautiously. Add or remove users from …
How to ungzip or untar tar.gz file? [SOLVED]
Learn how to untar tar.gz file and ungzip gz archive using gunzip tool.
Install LXD on Rocky Linux 9 [Step-by-Step]
Step by step instructions to install LXD on Rocky Linux 9
How to PROPERLY change username on Linux [2 Methods]
2 different ways to change username on Linux i.e. with and without usermod. Step by Step guide to manually change username by modifying system files or using …
How to QUICKLY Install Fonts in Linux [GUI and CLI]
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Exclude Users from Match Group in SSHD [SOLVED]
In today's highly connected world, securing remote access to servers is of utmost importance. One of the most popular ways to establish secure remote
pkill -P $$ - Kill subprocess in Linux [SOLVED]
pkill -P $$ is used to match only child processes of the given parent where $$ is the process of the current process
How to set SFTP umask in Linux? [100% Working]
In this tutorial I will share the steps to set umask for SFTP connections. I will not go into the details on what is umask and how to set umask in Linux. You
[SOLVED] Upload file to Linux server from Windows
3 different methods to upload file to Linux server from Windows. Using SCP or PSCP CLI tool, or Using WinSCP and/or FileZilla which are GUI based tool
How do I install the Linux library libc.so.6 [SOLVED]
In this tutorial we learn how do I install the linux library libc.so.6. There are 3 possible scenarios: Library is not installed or missing, The library path is …
Solved: How to Mount USB Drive in Linux [100% Working]
If you have a usb disk and you are thinking "how to mount USB drive in Linux", you should read this article.
Working with ulimit in Linux [Beginners Guide]
Complete ulimit tutorial to learn about modification of different system limits and configurations without reboot
Install Nagios XI on Rocky Linux 9 [Step-by-Step]
Two different methods to install nagios XI on ROcky Linux 9. Install latest or custom version by directly downloading from official page.
Install Eclipse IDE on Rocky Linux 9 [Step-by-Step]
Step by step instructions to install eclipse IDE on Rocky Linux 9
How to Install PowerISO on Linux [Step-by-Step]
Step by step instructions to install poweriso in Linux. Install PowerISO using GUI or Terminal manager in Ubuntu, Debian, Red hat, CentOS and any other …
How install Boost on Ubuntu? [SOLVED]
Boost is a set of libraries for the C++ programming language (includes 164 separate libraries as of version 1.76) that provides support for tasks and
How to backup Brave Browser Session Ubuntu [SOLVED]
Step by Step instructions to backup brave browser session and also restore it in Ubuntu
Install Maven in Rocky Linux 9 [Step-by-Step]
2 different methods to install latest maven package using system package manager or from downloading maven from official repository.
How to install Notepad++ in Linux? [SOLVED]
In this article, we will explain how to install Notepad++ on the Linux operating system.
How to PROPERLY kill process on Ubuntu? [SOLVED]
In operating systems (Windows, Linux does not matter), things are managed as processes. These processes run for a certain time, some processes are terminated
How to install 32bit application with Wine? [SOLVED]
Wine is a free application that enables Windows software to run on POSIX- compliant operating systems such as Linux and Mac OS X. Wine stands for "Wine Is Not
[SOLVED] Restrict FTP user to a directory in Linux
Use chroot_local_user to restrict FTP user to a directory in vsftpd.conf in Linux. You can specify the directory name and path which acts as home directory for …
How to install Conda on Ubuntu? [SOLVED]
Conda is an open source (BSD licensed), language-independent package manager and environment management system that runs on different operating systems
How to update Flameshot in Ubuntu? [SOLVED]
Step by Step instructions to update flameshot in ubuntu using default package manager or by downloading the latest flameshot archive from official reporsitory
How to Install OpenCV on Ubuntu? [SOLVED]
In this article, we will provide a step-by-step guide on how to install OpenCV on Ubuntu. We will cover the prerequisites required for the installation, the
Install FFprobe and FFmpeg on Ubuntu [3 Methods]
Step by Step isntructions to install ffprobe and ffmpeg in Ubuntu using 3 different methods
Tips to download file From Linux [Practical Examples]
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Install GlassFish in Arch Linux [Step-by-Step]
Step by Step instructions to install glassfish on Arch Linux with Examples
How to Install Ubuntu on USB Drive? [100% Working]
Ubuntu is a popular open-source operating system that is widely used in the Linux community. One of the great features of Ubuntu is that it can be installed
How to PROPERLY disable IPv6 on Ubuntu? [SOLVED]
Today, operating systems also support ipv6. However, when ipv6 is not widely used yet, it may cause problems if it is active in the system. Therefore, it
/etc/network/interfaces missing in Ubuntu [SOLVED]
If you are using Ubuntu, you must have encountered the "/etc/network/interfaces missing" error. Because Ubuntu 18.04 and above uses netplan to configure your
7 methods to list user groups in Linux? [SOLVED]
In operating systems, applications add their own users and groups to the system. From an administrative point of view, this makes it easier for users. Adding
How to count files in directory in Linux? [SOLVED]
When managing files and directories in Linux operating systems, there may be a need to know how many files are in a given directory. For example:
Remove dot(.) in Linux Permissions the RIGHT way!
Step by step instructions to remove dot in Linux permission section for file and directory. What is the meaning of having dot (.) in the end of Linux permission …
Install YARN on Linux and Windows [Step-by-Step]
Step by Step instructions to install yarn on Linux and WIndows. Installation on Ubuntu (Debian based) and Rocky Linux (Red hat based) and Windows.
Install Oh My Zsh on Linux [Step-by-Step]
Step by Step instructions to install Oh My Zsh on different Linux distributions such as Ubuntu, Red Hat, CentOS, Debian, OpenSuSE, Arch Linux
Convert CentOS 8 to Rocky Linux 8 [100% Working]
As you know, CentOS Linux 8 became the end of life on 31 Dec 2021. It will now continue its life as CentOS Stream 8. Many people/organizations using CentOS
bash: curl: command not found [SOLVED]
The most common causes for bash: curl: command not found error is either curl package is not installed or the PATH variable does not contain the path to curl …
How to install NVM on Ubuntu? [SOLVED]
Node Version Manager (NVM) is a tool for managing Node versions on servers. NVM allows to install different versions of Node. It allows you to switch between
How to install AWS CLI on Ubuntu? [SOLVED]
AWS CLI (AWS Command Line Interface) is a unified tool you can use to manage your AWS services. With the AWS CLI, you can control multiple AWS services from
How to list users in Linux [SOLVED]
4 different methods to list users in Linux. Check /etc/passswd file, use getent command, compgen command
How to Enable Wake-on-LAN in Ubuntu 22.04? [SOLVED]
In this article we will tell you how to enable Wake-on-LAN in Ubuntu and example usage.
Could not resolve host: mirrors.rockylinux.org [SOLVED]
3 possible solutions to Could not resolve host: mirrors.rockylinux.org and Failed to connect to mirrors.rockylinux.org port 443: Connection timed out
Install Rancher on Rocky Linux 9 [Step-by-Step]
Step by step instructions to install rancher on Rocky Linux 9 with screenshots.
How to remove obsolete packages in Ubuntu? [SOLVED]
Learn how to safely remove obsolete packages in Ubuntu with examples
How to install cURL in Ubuntu? [SOLVED]
cURL is a software project that provides a library and command line tool for data transfer using various protocols. The letter "c" in its name comes from the
Install R on Rocky Linux 8 & 9 [Step-by-Step]
Step by Step instructions to install R Programming Language in Rocky Linux. Download and Install specific version of R language
How to set FFmpeg output directory? [SOLVED]
FFmpeg can be used by end users and system administrators. Specifying FFmpeg's output directory may be different for the 2 user types. In this article "How to
How to install WSJT-X on Linux Mint? [SOLVED]
WSJT-X is an open-source, free software designed for weak-signal digital communication by amateur radio operators. The software is compatible with various
How to Keep Alive SSH Sessions in Linux? [SOLVED]
Discover best practices to Keep Alive SSH Sessions in Linux with TCP Keep Alive, ServerAliveInterval and ClientAliveInterval settings, ensuring uninterrupted …
How to install EPEL Repository Rocky Linux? [SOLVED]
In this tutorial we will share steps and different methods to install EPE repo in Rocky Linux
How to ignore certificate check in wget? [SOLVED]
wget is a popular command for downloading files from the internet with protocols such as HTTP, HTTPS, and FTP. With the terminal emulator you use, you can
How to install certbot [Let's Encrypt] on Rocky Linux 9
Step by Step instructions to install and generate certs using Let's Encrypt (certbot) on Rocky Linux 9. Generate and deploy certs for Nginx and Apache server.
Solved: Steps to PROPERLY mount ISO Image in Linux
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How to install Epson et-2720 on Ubuntu? [SOLVED]
Ubuntu is a free and open-source operating system that is widely used in desktops and servers. It is known for its stability, security, and ease of use. One
How to disable firewall in Rocky Linux? [SOLVED]
A firewall is a must for every server system but there are times when for debugging purpose we would like to stop and disable the firewalld service. In this
How to install gpart on Ubuntu? [SOLVED]
Step by Step instructions to install gpart on Ubuntu with examples
How to Install RTL8821CU on Ubuntu? [SOLVED]
Step by step instruction to Install RTL8821CU on Ubuntu?
How to PROPERLY delay reboot in Linux? [5 Methods]
In this article, we will discuss the methods to delay reboot in Linux, including how to check for pending updates, configuring update policies, and scheduling
How to install Minecraft on Ubuntu? [SOLVED]
Minecraft is one of the most popular sandbox video games, where players can build and explore virtual worlds made up of blocks. It is available on multiple
How to Install Steam on Ubuntu? [SOLVED]
Steam is a popular platform for buying, downloading, and playing video games on a computer. It has a vast library of games that can be enjoyed by gamers of
How to Install CMake on Ubuntu? [SOLVED]
In this article, we will discuss how to install CMake on Ubuntu, including the necessary prerequisites, installation methods, and how to verify that the
How to Install Slack on Ubuntu? [2 Methods]
Slack is a popular messaging and collaboration platform that is widely used by businesses and teams to communicate and work together. If you're an Ubuntu user
Steps to Install Picard on Ubuntu [3 Methods]
Picard is a popular music tagging application that allows users to manage their music collections by automatically tagging, organizing, and renaming music
Steps to install php Xdebug on Ubuntu [2 Methods]
In this article, we have covered how to install PHP Xdebug on Ubuntu, along with the necessary pre-requisites required for a successful installation. We have
How does vim split window horizontally? [SOLVED]
Vim is a powerful and popular text editor that is widely used by programmers and developers. One of the many features that makes Vim so versatile is its
How to list recursively with 'ls'? [SOLVED]
"ls" is a command-line utility in Unix-based operating systems that allows users to list the contents of a directory. The "ls" command is a versatile tool
How to install XRDP with XFCE4 on Ubuntu? [SOLVED]
Ubuntu is a popular Linux operating system. As with most Linux distributions, it can be used with different desktop environments (XFCE, KDE, Gnome etc). The
How to cut video with OpenShot? [SOLVED]
OpenShot is a free and open-source video editing software that can be used to cut, trim, and edit videos on Linux, Windows, and macOS. It provides an
How to list packages in a yum group? [SOLVED]
Being able to list packages in a YUM group can be helpful for a variety of reasons, such as ensuring that all necessary packages are installed for a specific
How to share folder with NFS in Ubuntu? [SOLVED]
Developed by Sun Microsystems in 1984, NFS (Network File SystemS) is an RPC- based distributed file system structure that allows computers on the network to
How to Edit a File in Linux? [SOLVED]
In Linux operating systems, everything is a file. There are daily routine tasks within the system such as turning new features on or off or editing files. An
wget command not found [SOLVED]
There are two possible reasons for wget command not found error. Either the wget package is not installed on your server or PATH variable is wrongly set.
How to DROP connection in IPTABLES? [SOLVED]
iptables is a GPL licensed utility that allows the Linux kernel firewall to configure IP packet filter rules. Filters are organized in different tables that
How to install Rscript on Ubuntu? [SOLVED]
Step by Step instructions to install Rscript in Ubuntu with example
How to install NordVPN on Ubuntu? [SOLVED]
In this article, we will install NordVPN on Ubuntu 22.04.
How to install MongoDB on Ubuntu? [SOLVED]
You can manually install MongoDB 6.0 Community Edition by downloading a tarball file. First, install the following requirements:
How to find files in Ubuntu? [SOLVED]
There are 5 different ways to find files in ubuntu.
How to download torrent from CLI in Ubuntu? [SOLVED]
The word torrent is an expression used to name the metadata linked to the files and folders to be downloaded. A torrent file (.torrent) does not contain the
How to take screenshot in Ubuntu? [SOLVED]
Taking screenshots is a feature that the end user needs in every operating system. They probably started offering the take a screenshot feature after the OS
How to install Google Drive Ubuntu? [SOLVED]
Google Drive is a file storage and synchronization service created and managed by Google. Users who log in with their Google account benefit from these
How to set timezone on Ubuntu? [SOLVED]
In this article, we will explain the steps to set the timezone on Ubuntu.
Remove unused packages in Ubuntu? [4 Methods]
Learn different methods to remove unused packages from Ubuntu
How to install Node.js on Ubuntu from tar.xz? [SOLVED]
Step by step instructions to install Node.js in Ubuntu from tar.xz file
How to install iTunes on Ubuntu? [100% Working]
There are 2 different methods to install itunes on ubuntu using wine and playonlinux
How to install jq on Ubuntu? [100% Working]
Step by step instructions to install JQ in Ubuntu either manually or from repository
What does echo -n do in Linux? [SOLVED]
Use echo -n in Linux to remove trailing new line character from any sentence. use this inside shell script or from terminal
How to install ARPACK in Linux? [SOLVED]
Step by Step instructions to install ARPACK on RedHat, Arch and Debian based Linux distribution.
How to modify smbd process limit in Linux? [SOLVED]
We can use max smbd processes parameter in smb.conf to modify smbd process limit in Linux
How to PROPERLY install flask on Ubuntu [Step-by-Step]
Step by Step instructions to install flask on Ubuntu and create your first web application using python flask.
Install Maven on Ubuntu 22.04 [Step-by-Step]
Step by Step instructions to install maven on Ubuntu 22.04
Show Line Numbers in Vim [Absolute, Relative, Hybrid]
vim relative line numbers active using :set relativenumber and :set rnu. relative line numbers inactive using :set norelativenumber and :set nornu. relative …
Using Counter in Bash with Practical Examples
Using the + and – Counter Operators, Using the += and -= Counter Operators, Using the ++ and — Counter Operators in Bash
Install Visual Studio Code Rocky Linux 9 [Step-by-Step]
Step by step instructions to install Visual Studio Code on Rocky Linux 9. 4 different methods to install and setup Visual Studio Code
Install WordPress on Rocky Linux 9 [Step-by-Step]
Step by Step instructions to install wordpress on Rocky Linux 9
Install FFmpeg in Rocky Linux 9 [Step-by-Step]
Step by step instructions to install ffmpeg in Rocky Linux 9
Install Memcached on Rocky Linux 9 [Step-by-Step]
Step by Step instructions to install Memcached on Rocky Linux 9. 2 different methods to install using default package manager and downloading from official …
Install Redis Server on Rocky Linux 9 [Step-by-Step]
Step by step instructions to install redis on Rocky Linux 9
Install PgAdmin4 on Rocky Linux 9 [Step-by-Step]
Step by step instructions to install pgadmin4 on Rocky Linux 9 with screenshots
How to install Issabel PROPERLY [Step-by-Step]
Step by step instructions to install Issabel with screenshots in Linux
Get SFTP version of remote server in Linux [SOLVED]
3 different methods to connect to remote server and get sftp version in Linux. The proper way to get sftp version in Linux with examples
Install JasperReports Server on Linux [Step-by-Step]
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How to PROPERLY change mount point name in Linux
Step by step instructions to change mount point name in Linux. Change mount point name without any downtime or any data loss. 100% risk free steps.
How to Install Apr And Apr-Util in Linux [Step-by-Step]
Step by Step instructions to install apr and apr-util in Linux. 2 different ways to install apr and apr-util. Install from github page on ubuntu, debian, …
Install Lex and Yacc in Kali Linux [Step-by-Step]
Step by step instructions to install lex and yacc in Kali Linux with best practices
Steps to install gcloud on Linux [100% Working]
Step by step instructions to install gcloud cli on Ubuntu (Debian based) and Rocky Linux (Red Hat based).
How to install Pyrit in Kali Linux [100% Working]
Step by step instructions to install pyrit on Kali Linux. Pyrit can make use of the advanced number-crunching capabilities of your video card’s processor to …
5+ Linux Screenshot Tools with Examples [GUI and CLI]
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Bash Trap Signals | Capture CTRL+C [Practical Examples]
bash trap signals. Bash capture ctrl+c in script. Bash capture SIGINT, SIGHUP, SIGKILL signals inside script and execute clean function