Omer Cakmak

Omer Cakmak

Linux Administrator

at · 149 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

Articles by Omer Cakmak

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

/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

How to remove obsolete packages in Ubuntu? [SOLVED]

Learn how to safely remove obsolete packages in Ubuntu with examples

How to install zlib on Ubuntu?[100% Working]

Different methods to install zlib on Ubuntu with step by step instructions.

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 gpart on Ubuntu? [SOLVED]

Step by Step instructions to install gpart on Ubuntu with examples

How to install jq on Ubuntu? [100% Working]

Step by step instructions to install JQ in Ubuntu either manually or from repository

How to install iTunes on Ubuntu? [100% Working]

There are 2 different methods to install itunes on ubuntu using wine and playonlinux

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

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 backup Brave Browser Session Ubuntu [SOLVED]

Step by Step instructions to backup brave browser session and also restore it in Ubuntu

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 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.