Author

Omer Cakmak

Omer Cakmak

Linux Administrator

at · 134 articles published

Highly skilled at managing Debian, Ubuntu, CentOS, Oracle Linux, and Red Hat servers. Proficient in bash scripting, Ansible, and AWX central server management, he handles server operations on OpenStack, KVM, Proxmox, and VMware.

Areas of expertise

Author profile illustration for Omer Cakmak — technical writer at GoLinuxCloud

Articles by Omer Cakmak

linux

Install Rancher on Rocky Linux 9 [Step-by-Step]

Step by step instructions to install rancher on Rocky Linux 9 with screenshots.

Omer Cakmak6 min read
linux

Install R on Rocky Linux 8 & 9

Step by Step instructions to install R Programming Language in Rocky Linux. Download and Install specific version of R language

Omer Cakmak5 min read
linux

How to set FFmpeg output directory?

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

Omer Cakmak4 min read
linux

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

Omer Cakmak7 min read
linux

How to Keep Alive SSH Sessions in Linux?

Discover best practices to Keep Alive SSH Sessions in Linux with TCP Keep Alive, ServerAliveInterval and ClientAliveInterval settings, ensuring uninterrupted sessions even during network inactivity.

Omer Cakmak13 min read
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

Omer Cakmak3 min read
linux

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.

Omer Cakmak7 min read
linux

Solved: Steps to PROPERLY mount ISO Image in Linux

mount iso linux ubuntu, how to mount iso image in linux virtual machine, mount windows iso in linux, how to mount iso file in linux command line

Omer Cakmak6 min read
linux

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

Omer Cakmak5 min read
linux

How to Install RTL8821CU on Ubuntu?

Step by step instruction to Install RTL8821CU on Ubuntu?

Omer Cakmak5 min read
linux

How to PROPERLY delay reboot in Linux?

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

Omer Cakmak9 min read
linux

Steps to install php Xdebug on Ubuntu

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

Omer Cakmak6 min read
linux

How does vim split window horizontally?

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

Omer Cakmak4 min read
linux

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

Omer Cakmak5 min read
linux

How to install XRDP with XFCE4 on Ubuntu?

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

Omer Cakmak3 min read
linux

How to cut video with OpenShot?

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

Omer Cakmak4 min read
linux

How to list packages in a yum group?

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

Omer Cakmak5 min read
linux

How to share folder with NFS in Ubuntu?

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

Omer Cakmak5 min read
linux

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

Omer Cakmak5 min read
linux

wget command not found

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.

Omer Cakmak4 min read
linux

How to DROP connection in IPTABLES?

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

Omer Cakmak4 min read
linux

How to find files in Ubuntu?

There are 5 different ways to find files in ubuntu.

Omer Cakmak5 min read
linux

How to download torrent from CLI in Ubuntu?

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

Omer Cakmak4 min read
linux

How to take screenshot in Ubuntu?

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

Omer Cakmak3 min read
linux

How to set timezone on Ubuntu?

In this article, we will explain the steps to set the timezone on Ubuntu.

Omer Cakmak4 min read
linux

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

Omer Cakmak3 min read
linux

How to install ARPACK in Linux?

Step by Step instructions to install ARPACK on RedHat, Arch and Debian based Linux distribution.

Omer Cakmak4 min read
linux

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

Omer Cakmak4 min read
linux

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 line numbers inactive(Other option) using :set relativenumber! …

Omer Cakmak3 min read
linux

Install Visual Studio Code Rocky Linux 9

Step by step instructions to install Visual Studio Code on Rocky Linux 9. 4 different methods to install and setup Visual Studio Code

Omer Cakmak4 min read