SysAdmin

The "Your PHP installation appears to be missing the MySQL extension" error can occur in WordPress when there’s a glitch in the installation or migration process, or if there have been recent updates made in the LAMP software. Read this guide and…

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…

The performance of MySQL databases is an essential factor in the optimal operation of your server. Make sure you are avoiding the common pitfalls concerning MySQL queries and system setup.

When you install MySQL on your system, the root user may not be able to access it. Using the ALTER command, you can modify the root user and allow it access to MySQL.

Cron jobs allow you to schedule and automate recurring tasks on your Linux system. They are especially useful for users doing system administration work such as setting up automated backups, rotating log files, syncing files between remote machines,…

PostgreSQL is an open-source, relational database management system. There are two simple ways of installing PostgreSQL on Ubuntu 18.04. You can set up the database system from the local repository. However, it doesn't guarantee to provide the…

Git tracks source code changes during the software development process. It can help coordinate work among programmers. This tutorial uses multiple images to show you how to install Git on Windows in a few simple steps, followed by a few basic…

Learn how to use the su command with practical examples and explanations. Change users in the terminal window or switch to the root in a single step. This article tells you all you need to know about su.

Git is a version control system that helps you control the stages of software development. It uses named branches to keep the original code intact, while working on new revisions. This guide uses a few simple commands to show you how to change the…