Category Archives: Linux

How To Install and Secure Redis 7.0 on Ubuntu 23.04 / Debian – In-memory Caching System

By | October 12, 2023

Redis (Remote Dictionary Server) is an open-source software used to store structured data, which can be used as a database, cache, or message broker. It is known for its speed and versatility. In this article, you will be guided through the process of installing and securing Redis on an Ubuntu machine. Installation 1. Prerequisites There… Read More »

Top “systemctl” command examples in Linux – How to manage system services

By | October 12, 2023

The command-line use systemctl, which stands for “system control,” is essential for managing services on Linux systems using the systemd init system. It is an important tool for monitoring how services, daemons, and other system components behave. To help you learn how to control services on your Linux system, we’ll go into much detail about… Read More »

13 “iostat” Command Examples in Linux – Monitor disk i/o and cpu usage

By | October 12, 2023

The iostat command is a system monitoring tool in Linux that provides comprehensive usage information on input/output (I/O) devices, partitions, and the CPU. This information can be used in analyzing resource allocation and utilization, identifying potential performance issues, and troubleshooting. iostat monitors the active time of I/O devices in relation to their average transfer rates…. Read More »

Journalctl Command examples in Linux – A Comprehensive Guide

By | August 24, 2023

Maintaining a healthy and productive Linux environment requires effective system log management. The journalctl command has evolved into an essential resource for accessing and analyzing system logs with the introduction of systemd, the system and service manager for recent Linux distributions. The journalctl command’s adaptability and utility on Linux-based systems will be examined thoroughly in… Read More »

How to Install and configure MySQL 8 on Ubuntu 23.04 / Debian 11

By | September 1, 2023

MySQL is one of the most popular relational database management systems (RDMS) available. While it’s an ideal RDMS for both small and large-scale applications, being free and open-source (before Oracle acquired it) made it even more popular and versatile. If you are running web applications or database applications on linux servers, then most likely you… Read More »

9 “blkid” command examples in Linux – View storage / block devices

By | August 20, 2023

This article explores the ‘blkid’ command, whose purpose is retrieving information about block devices, LABEL, UUID, file system type, etc. The useful command can help us to identify or troubleshoot issues related to block devices and their attributes. Installation To use ‘blkid’ command, your Linux system needs to have the ‘util-linux’ package installed. blkid: command… Read More »

10 “lsof” command examples in Linux – Check open files and sockets

By | July 22, 2023

lsof, which means “list open files”, is a command-line utility that shows information on currently opened files and the processes they are associated with in Linux and other Unix-based operating systems. A file in this context could be your regular file, a directory, a block-special file, a library, a character-special file, an executing text reference,… Read More »