SysAdmin

This article explains how to change a user password in Linux and how to force other users to change their passwords on login.

The performance of MySQL databases is an essential factor in the optimal operation of your server. This tutorial shows how to avoid the common pitfalls concerning MySQL queries and system setup.

Disk partitions allow users to set up multiple file systems on the same machine, simplify the backup procedure, and improve system security. This step-by-step tutorial teaches you to create a partition in Linux using the parted and fdisk commands.

This tutorial explains how to identify the causes and troubleshoot the WordPress 500 Internal Server Error. We present 8 different options for resolving this issue.

Sudo stands for superuser do. Sudo is a command used in Unix-like systems to allow a regular user to execute a program as another user. In most cases, it is the root user. Sudo gives you administrator-level permissions to run programs on your machine. This guide will show you how to create a user with sudo privileges on Debian and test the sudo access.

Wine is an application that lets you run Windows programs on a Linux system. Wine is similar to an emulator, but with a different technology that improves performance. In this tutorial learn how to install and use Wine on Ubuntu 18.04.

Kafka collects and structures vast amounts of data from multiple clients simultaneously. It improves the efficiency of applications running in a Kubernetes cluster. Use this article to find out how to configure Kafka brokers on your Kubernetes cluster.

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 commands to complete the initial setup.

The Linux kernel is much like the central brain of the operating system. Although it is open-source – meaning anyone can view and modify the code – the Linux kernel is built with multiple protocols to ensure stability and security. This guide will walk you through how to check the Linux kernel version of your operating system.

Are you looking to change the root password in Ubuntu? Changing passwords is a good practice and should be done periodically. Linux allows multiple user accounts, each having its own password. Users can only change their own password. However, there is always a sudo/root (SuperUser) account. Root users can change the password of any account, including their own.