How to Fix “Your PHP installation appears to be missing the MySQL extension which is required by WordPress”


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…

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Install Python on CentOS 8


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.

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How to Install Java 8 & 11 on Centos 8


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…

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How to Improve MySQL Performance With Tuning


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.

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How to Solve MySQL Error: Access denied for user root@localhost


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.

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How to Set Up a Cron Job in Linux


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,…

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How to Install PostgreSQL on Ubuntu 18.04


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…

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How to Install and Use Git on Windows


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…

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How to Use the su Command in Linux with Examples


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.

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How To Rename a Local and Remote Git Branch


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…

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