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Devops

Remove an expired key in APT

Hello, dear friends. Although it is not always recommended, many times to get recent versions of a package or a whole program, we need...

How to install Docker on Debian 11

Hello, folks from the unixcop community. This post is a simple guide that will allow us to install Docker on Debian 11. Being such...

How to SSH into a Docker Container and Run Commands

Introduction Docker is a set of platform as a service (PaaS) products that use OS-level virtualization to deliver software in packages called containers. Docker is a utility that lets you create a container for...

How to run different PHP versions on the same server

Sometimes a SysAdmin receives strange requests. For example: a couple of days ago my client need to upload a new site, this new site...

Ncat Linux command

Hello friends. Knowing the Linux terminal and its commands is a basic task of any sysadmin or DevOps. Therefore it is always good from...

How to increase the requests timeout on Nginx

Hello, friends. Nginx is one of the most used web servers in the world along with Apache. So it is possible to find a...

How to create Git Tags

Introduction Tags work as an additional identifier for a particular incident. And in the case of Git. Tags are used as the reference points in your...

How to Clone a Git Repository Into a Specific Folder

Introduction If you simply issue a git clone command, the git cloning process will create a new directory for the repository. In this tutorial, we will show...

How to Install and configure Jenkins on CentOS 8 / RHEL 8

Introduction Jenkins is an open source automation server. It helps automate the parts of software development related to building, testing, and deploying, facilitating continuous integration and continuous delivery. Jenkins is based on Java and helps with every...

How to Set Environment Variables in Docker

Hello, friends. We already know that Docker is a recent technology that allows us to deploy applications in containers in the form of images....

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