SysAdmin

The Apache web server is widely used, especially as part of the LAMP stack software package. Learn how to install Apache on CentOS 8, configure firewalld, and start managing your web server with this simple updated tutorial.

Git is a version control system that allows developers to track a project and actively contribute without interfering in each other’s work. Learn how to install Git, with four different installation approaches and get started with using the system. Configure Git and see how to track and commit changes.

Nginx, a popular, open-source HTTP web server, is used for hosting many high-traffic websites. It is part of the LEMP stack, an alternative to the popular LAMP stack. It is faster and lighter than the traditional Apache web server. It is also a reverse proxy, mail proxy, HTTP cache, and a load balancer.

Rsync is a Linux tool that allows you to transfer data over SSH to a remote server securely. Use the options for the rsync command to adapt the tool for your specific use case.

This tutorial provides instructions on installing Python 3 and Python 2 on CentOS 8 with guidance on how to set the default version of Python.

For running and developing applications with Java on CentOS 8, you need to set up the Java Development Kit (JDK). There are two different implementations of JDK – OpenJDK and Oracle JDK. Learn how to install Java on CentOS 8, set up the default Java version, and the JAVA_HOME environment variable.

CentOS 8 does not provide official support for Docker. This article clearly shows you how to install a fully functional version of Docker regardless.

If you need a management system that will store and protect your authentication and authorization data, you may want to install Vault. Apart from managing access to passwords, certificates, and APIs, Vault also provides on-demand secrets, encryption, and revocation. Follow this simple guide to install Vault on a CentOS 7 system.

Since there is no way to upgrade from CentOS 7 to CentOS 8, users need to go through the entire installation process to try out the latest version of the popular Linux distribution. This guide shows you all the required steps to install CentOS 8 on your system.

If you want to install Docker on Raspberry Pi, that is on its Raspian system, you need to use the automated convenience scripts to do so. Docker is a tool for creating, deploying, and running applications in containers. The software speeds up the development while not using a lot of resources. Containers are lightweight, a feature especially valuable if you are a Raspberry Pi user.