Category Archives: Linux

10 “lsblk” command examples in Linux – List block devices

By | July 22, 2023

Introduction This article will explore the ‘lsblk’ command to understand the structure of storage devices through practical examples with filtering options. This will help you manage, monitor, analyze, and troubleshoot block devices on a Linux system. Block devices are storage devices that store and retrieve data in fixed-size blocks. Installation To install ‘lsblk’, you can… Read More »

Linux Directory Structure Explained – The Complete Guide

By | September 1, 2023

Linux-based operating systems adhere to the Linux Filesystem Hierarchy Standard (FHS), a well-defined directory structure maintained by the Linux Foundation. This standardization brings several benefits, including ease of use for both users and software developers by providing a consistent location for installed binaries, system files, and system information. While transitioning from Windows to Linux, users… 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 »

Multipass Command Examples – Create and Manage Ubuntu Virtual Machines

By | May 30, 2023

Multipass is a lightweight, command-line virtualization tool developed by Canonical that allows you to create and manage Ubuntu virtual machines (VM) on your local machine. It lets you run multiple isolated instances of Ubuntu for development and testing. Multipass is cross-platform, which means you can run it on macOS, Windows, and Linux. However, on Linux,… Read More »

Basic Docker Command Examples on Ubuntu – Get Images and Launch Containers

By | August 15, 2024

Docker is a popular “containerization” platform that allows developers to run applications inside isolated environments called containers. Containers are similar to virtual machines, however they do not run an entire operating system (like virtualbox, qemu). In principle containers are somewhat similar to the classic that could be used to setup a completely isolated environment within… Read More »

15 Things to do after installing Kubuntu 23.04

By | June 5, 2023

Switch to better DNS servers Switch to better dns servers like google dns or open dns. I personally use google dns servers: 8.8.8.8 , 8.8.4.4 Right click on the network management icon on the system tray and “Configure Network Connections”. Go to IPv4 tab and enter the dns servers as shown below. You can also… Read More »

How to check Ram Rank and Bank details in Linux – decode-dimms

By | May 20, 2023

The decode-dimms program from i2c-tools package can be used to extract spd information from the ram modules which provides details about the module including the timings, clock speed, internal layout of the memory blocks including rank and bank count. The command can be installed with the following commands: sudo apt-get install i2c-tools sudo modprobe eeprom… Read More »

How to Install Nvidia Drivers on Kubuntu / Ubuntu 23.04 / Linux Mint

By | May 19, 2023

Kubuntu / Ubuntu 23.04 I am running Kubuntu 23.04 with Plasma desktop. You can check your ubuntu version with the lsb_release command: silver@ubuntussd:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 23.04 Release: 23.04 Codename: lunar silver@ubuntussd:~$ The interesting thing this time is that kubuntu has been installed on an external… Read More »