18 Feb 2020
2 minutes read
List Available Repositories in Red Hat
I have finally gotten around to launching a new RHEL 8.1 virtual machine on my macOS desktop, this time I installed it …
Red Hat
13 Nov 2019
1 minutes read
Red Hat Enterprise Linux 8.1
Just as I published last Unix Tutorial Digest on November 5th, RHEL 8.1 release got shipped – think this is a great …
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 …
25 Sep 2019
2 minutes read
Hello, World in Podman
Turns out it’s not that easy to install Docker CE in RHEL 8 just yet. Well, maybe there’s no immediate need …
13 Sep 2019
2 minutes read
Confirm Firewall Configuration in RHEL 8
I’m fascinated by the improvements and new features in RHEL 8, plus it’s a primary distro used in most …
08 Sep 2019
1 minutes read
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 …
17 Jun 2019
2 minutes read
Yum – List Installed Packages
CentOS and RedHat Linux are still the majority of my Linux servers and so now and then I have a RedHat specific question …
31 May 2019
2 minutes read
Time/Date Operations With Timedatectl
One of the recently introduced commands in modern Linux distros is timedatectl. It’s a convenient way to review …
14 Mar 2019
1 minutes read
Web Console in RHEL8
I’m not a fan of web interfaces for managing Linux systems and usually don’t see them unless a hosting …
26 Feb 2019
3 minutes read
How To: Remove Old Kernels in CentOS
For dedicated servers and virtual machines that you keep upgrading in-place, you will eventually reach the situation …
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 …