26 Sep 2019
2 minutes read
Attach Interface to Specific Firewall Zone in RHEL 8
One of the first things I had to do on my recently built RHEL 8 PC was to move the primary network interface from …
How To
20 Sep 2019
2 minutes read
How to Show LUKS Passphrase Slots
As you might know, it’s possible to add multiple passphrases to the same LUKS encrypted filesystem. This means …
19 Sep 2019
1 minutes read
Linux Ipconfig?
I guess this is a common enough search engine request from Windows users and administrators, looking for guidance on …
19 Sep 2019
3 minutes read
Upgrading to CentOS 7.7
CentOS 7.7 has just been released a few days ago and with any luck CentOS 8 will be released next week.
12 Sep 2019
2 minutes read
Skip Gathering Facts in Ansible
Ansible Red Hat Ansible There are Ansible playbooks which depend on the most up-to-date information found on each node. …
11 Sep 2019
2 minutes read
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 …
11 Sep 2019
7 minutes read
Passwordless SSH
Passwordless SSH I was sure this topic had been covered on Unix Tutorial pages before, but apparently it wasn’t – …
10 Sep 2019
2 minutes read
Manage Settings With Dotfiles
Unix Tutorial I’m finally taking the time to adopt a fascinating concept of organising dotfiles properly: track …
05 Sep 2019
4 minutes read
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.
31 Aug 2019
4 minutes read
How To: Setup Sudo in Debian
Apparently, Debian installer doesn’t install or activate sudo by default. This means that sudo command is not …
How to decrypt files with Ansible Vault
ansible-vault decrypt restores an encrypted file …
Just discovered the macOS footprint command
I’ve administered Linux systems for around 25 …
How to Fix Ubuntu Packages Held Back
When trying to run do-release-upgrade on an Ubuntu …
How To Resize Filesystem with resize2fs
Quick note on filesystem resize on a typical …
macOS Tahoe
macOS Tahoe is the upcoming major release of macOS …
Centralized Bash history with timestamps
BASH is my Linux shell of choice (it’s zsh on …
Inspect filesystem operations with fs_usage in macOS
hey Unless you disable SIP, most of DTrace based …