Category Archives: Server

Server administration guides

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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 »

Examples of “iotop” command in Linux – Monitor disk input/output per process

By | June 6, 2023

Iotop is an open-source and free utility Linux command used to display the statistics of disk input/output by processor/threads and print the summary which gets refreshed every second. It is quite similar to the top command, except that iotop monitors just disk i/o and not other metrics. This command is particularly useful for system administrators… Read More »

11 “sar” Command Examples in Linux to Monitor System Resources

By | September 15, 2023

sar (System Activity Reporter) is a command line tool used to collect, report, and analyze system activity information in Linux and other Unix-based operating systems. In other words, it gathers information and provides insights on system activity, such as CPU utilization, memory usage, I/O operations, network activity, disk usage, power management, and much more, which… Read More »