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L A T E S T P O S T S
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How to Install MongoDB 4.0 Community Edition on CentOS/RHEL 7 and Fedora Linux Systems
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Practical Examples for Using Awk Command in Text Processing in Linux
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How to Install PHP 7.3 on CentOS 7 / RHEL 7 Linux Systems
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How to Install PHP 7.2 on CentOS 7 / RHEL 7 Linux Systems
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How to Install PHP 7.1 on CentOS 7 / RHEL 7 Linux Systems
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How to Install PHP 7.0 on CentOS 7 / RHEL 7 Linux Systems
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How to Install Docker on Debian 9 “Stretch” Linux systems
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How to Install the Latest Stable Google Chrome on Ubuntu 18.04 LTS
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Howto remove/resolve Rails message “ PG::CharacterNotInRepertoire: ERROR: invalid byte sequence for encoding “UTF8”: 0xc2” on Linux Systems
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How to Resize/Increase the Virtual Disk “LVM” of a Xen DomU Guest Virtual Machine
How to Find and Kill Zombie Processes on Linux Systems
In this mini post I’ll show you how to find and kill all zombie processes that may exist on your Linux Systems. First, we need to define What is the Zombie process? and Why it exists? A process is called a zombie process or defunct process if the process has beenRead More
How to Install Xen Hypervisor on Debian 9 “Stretch” and Debian 8 “Jessie” Linux Systems
In this article, we will discuss the installation of Xen hypervisor server on Linux systems (Debian Family “Debian 9 “Stretch” and Debian 8 “Jessie” /Ubuntu 14.04, and higher”). The following steps worked on Debian 9 “stretch” and the result was installing xen 4.8 on Debian 9. For Debian 8 “Jessie”Read More
Howto remove/resolve Openvpn message “KEY_CONFIG pointing to the wrong version of openssl.cnf” on Linux Systems
In this mini post I’ll show you how to solve this Openvpn error message “KEY_CONFIG pointing to the wrong version of openssl.cnf” which may appears when you try to Generate Keys and Certificates which needed in the installation process of OpenVPN server on Debian 9 “stretch” Linux systems. You canRead More
How to Move/Migrate a Full Git Repository From GitHub to GitLab Self-Hosted Instance
In this post, I’ll show you how to move a full git repository from GitHub to GitLab self-hosted instance. We’ve an old repository existing on github and we wanted to move it with all branches and commits to our gitlab stand alone server, so Here’s the steps we did: StepRead More
How to Install Gnome GUI on CentOS 7 / RHEL 7 Linux Systems
Linux admins spend most of their time on working in a terminal; there are some who like to work on GUI instead of a terminal. By default, CentOS 7 installed as the minimal server, and user intervention is required to change the installation type. This guide will help you toRead More
How to Copy/Move Docker Images and Export/Import Docker Containers between hosts
In this post, we’ll show you how to copy/move a docker image between hosts and import/export a docker container between hosts. You may need to do this move images/containers between dev team to save time downloading Docker image from your private repository or save time consumed in adding your configurationRead More
HTTP response status codes with a simple explanation
In this post, we’ll show you the different types of HTTP status code. HTTP response status codes indicate whether a specific HTTP request has been successfully completed. Responses are grouped in five classes: informational responses, successful responses, redirects, client errors, and servers errors. Status codes are defined by section 10Read More
Install openvpn server on Debian 9 “Stretch” Linux systems
In this article we will discuss the installation of Openvpn server on Linux systems (Debian Family “Debian 9 “Stretch”/Ubuntu 16.04, and higher”). VPN, or virtual private network, is a secure method of connecting remote internet resources together as if they were under the same LAN. OpenVPN is a tool forRead More
Howto remove/resolve git message “Commit your changes or stash them before you can merge” on Linux Systems
In this mini post I’ll show you how to solve this git error message “Commit your changes or stash them before you can merge” which appears when you try to pull the latest code from your git repository and did some “not committed” modifications to your code/repository on your localRead More
Howto reset AUTO_INCREMENT from a table in MySQL/MariaDB Databases
In this post, I’ll show you how to reset the auto_increment field from a table in MySQL/MariaDB databases. Sometimes you need to drop all the data in an existing table and reset the auto_increment to start from 1. This post is dealing with only resetting the auto_increment to 1. ToRead More