Logical Volume Management: A Practical Illustration
# Runas root kim@kimlinux:~$ sudo su - # List all disks fdisk -l | grep…
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Installing Linux Kernel on Windows 10 Machines
# installLinuxOnWindows10.ps1 # Please don't try to run this on target OS Windoze XP or…
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CentOS & Redhat Linux VS Exfat
Have you ever encountered this error: "Unable to access $$$ GB Volume" Error mounting /dev/mmcblk0…
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Administering CentOS 8 with Cockpit
CentOS 8 default installation already has this utility installed. To render it active, one only…
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How to install RetroArch on CentOS 8
RetroArch is a nice front-end GUI to enable a computer to emulate various console systems…
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Installing Kubernetes on CentOS 8.1
Step 1: Preparing All Nodes # Installing prerequisites # Update before installation sudo su yum…
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Linux Swap File Operations
Example: create, increase, or decrease existing swap file size swapoff -a # turn off swapping…
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Disable Screensaver on CentOS 8
Here are a couple of tricks that worked in the past. I don't think they…
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Linux: How to Set Startup Script
In previous Linux versions, startup scripts can simply be enabled by linking a script into…
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CentOS 8: How to Only Apply Security Updates
[cuilo@test-box ~]# sudo yum --security update CentOS-8 - AppStream 12 kB/s | 4.3 kB 00:00…
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Linux: How to Use Tar and Gunzip
Tar is an archival system. It helps bundling many directories and files into a single…
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Linux: How to Migrate Users to a New Host
Overview: Linux systems are mostly compatible with one another, even when their kernel versions are…
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Linux: How to Install ProFTPd on CentOS 8 as an SFTP Server
Introduction: While this article focuses on the installation and configuration aspects of SFTP via the…
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BASH: Basic SED Training
Do you know Sed? If you ask 'who is he', then this little article if…
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Unix / Linux File Permissions Cheat Sheet
General Permissions Overview: Permissions (base) 1 – execute2 – write4 – read Permissions (octal) 3…
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Linux: How to Change IP Address of CentOS 8 Machine
# Check the network interface config files ls /etc/sysconfig/network-scripts [cuilo@web02 ~]$ ls /etc/sysconfig/network-scripts ifcfg-ens192 #…
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Linux: How to Change Hostname
There are 3 methods:1. hostnamectl command : using systemctl (recommended and shown at the bottom…
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Useful Ubuntu Settings for VNC
# Disable screensaver Ubuntu (Gnome) gsettings set org.gnome.desktop.screensaver lock-enabled false # Purge screensaver and update…
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How to Install Chrome on Ubuntu 20.04
Ubuntu and its variants are pre-packaged with Mozilla's Firefox Web Browser. Although that is a…
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Linux: Use Lubuntu 20.04, TightVNC Server, NoVNC, WebSockify to Create a Terminal Server Accessible via Any Browser!
Use Case:Imagine a virtual classroom with students using Chromebooks, iPads, and other types of computers,…
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