• How-To

How to Rename a Volume Group in LVM

I needed to access an old disk from the same Linux desktop the other day, and realised it’s a bit problematic if …

• how-tocentos

Passwordless SSH

Passwordless SSH I was sure this topic had been covered on Unix Tutorial pages before, but apparently it wasn’t – …

• how-todotfiles

Manage Settings With Dotfiles

Unix Tutorial I’m finally taking the time to adopt a fascinating concept of organising dotfiles properly: track …

• News

Generate Sequences With Seq Command

Sometimes you need to quickly generate a number of files or directories with different, but not random, numbers and …

• Advanced topicsRed Hat

Specify User per Task in Ansible

Turns out, become_user directive can be used not only for privilege escalation (running Ansible playbooks as root), but …

• News

Confirm if CPU Supports Virtualization With Lscpu

The RHEL 8 desktop PC I’m working on right now is going to be a testbed for all sorts of virtualization …

How to Troubleshoot SELinux With Audit Logs

SELinux I’m post configuring a new RHEL 8 setup on my old PC and want to share some useful SELinux troubleshooting …

• News

No Sshpass in Homebrew

I’m working on the next Unix Tutorial Project these days and need to configure new RHEL 8 based PC with Ansible.

• How-To

Projects: Install RHEL 8 on My PC

I realised recently that the only RHEL 8 VM I had was the earliest RHEL 8 beta 1 insall, and decided to change this.