Linux
How-to guides for installing and running Red Hat Enterprise Linux and Rocky Linux servers, covering installation and subscriptions, storage and LVM, file sharing, mail and web services, and virtualization and containers.
Install & Subscription
Installing RHEL and Rocky Linux, subscriptions and repositories, plus general command-line tips.
Linux - RHeL Subscription
Last verified: October 2026 against Red Hat's registration and Simple Content Access documentatio...
Linux Server - Install RedHat 9 SSH configuration
Last verified: October 2026 against Red Hat's RHEL 9 system-wide cryptographic policies guide and...
Linux - Commands to Know
Last verified: October 2026 against the current man pages (tar, touch, useradd, userdel, groupadd...
Linux - Bag of Tricks
Introduction This document has many useful command. Change Files and Folder Permissions To cha...
Linux - Bag of Tricks (Part 2): Certificates, Databases, Disks & Boot
This page continues Linux - Bag of Tricks. Create a CERT First, you need to generate the private...
Command - Cmnd_Alias
Last verified: October 2026 against the sudoers manual (sudo.ws). What is Cmnd_Alias? Cmnd_Alias ...
Storage & LVM
Adding disks, growing LVM volumes, swap and other storage tasks.
Linux - How to Increase the size of a Linux LVM by adding a new disk
Important Notes: Be very careful when working with the commands in this article as they have the ...
Linux - Increase the size of a LVM Partition
This will cover how to increase the disk space for a VMware virtual machine running Linux that is...
Linux - How to Decrease an LVM Partition
Last verified: October 2026 against the current lvreduce and resize2fs manual pages. Note: This e...
Linux - Re-Mapping Drives or Combining Drives
The document is walk you through the re-mapping or combining of mapped drives on a Linux server. ...
RedHat - Install NFS Shares
NFS Server Configuration Install NFS Utilities. sudo dnf install nfs-utils Create the Shared D...
Bash - Add Symbolic Links Subdirectories
Last verified: October 2026 against the GNU find manual (find(1)). To efficiently add these symbo...
Linux - How to use rClone
Last verified: October 2026 against the rclone documentation (current release v1.75.1); the filte...
File Sharing
Sharing files with Samba and NFS.
Mail, Web & Logging
Mail relays, web server helpers and log management.
Linux - Setup RedHat 10 SMTP Server
Security warning: this guide is written for a lab or internal relay. It disables SELinux and the ...
Linux - Setup Rocky 9 SMTP Server
Security warning: this guide is written for a lab or internal relay. It disables SELinux and the ...
Linux - Setting up a Logging Server
Last verified: October 2026 against the RHEL 9 remote logging guide and the current rsyslog docum...
Virtualization & Containers
KVM virtualization, Kubernetes and container tooling.
Linux - Install KVM
Last verified: October 2026 for RHEL 9 against the Red Hat virtualization, networking and web con...
RedHat - Install a Kubernetes Cluster on RHEL 9.x | Rocky 9.x: A Step-by-Step Guide
Last verified: October 2026 against the official Kubernetes, containerd, Docker, Calico and EPEL ...
RedHat - Kubernetes Cluster on RHEL 9.x | Rocky 9.x (Part 2): Control Plane, Workers & Test
This page continues RedHat - Install a Kubernetes Cluster on RHEL 9.x | Rocky 9.x: A Step-by-Step...
VMWare - Redhat 9 Install NVidia Pass through and Container Setup
Installing an NVIDIA driver in a Red Hat 9 virtual machine (VM) with GPU passthrough involves sev...