10 Aug 2026
2 minutes read
Just discovered the macOS footprint command
After 15 years of using macOS, I have only just discovered footprint: a remarkably useful command for understanding one process’s memory use.
Unix Tutorial - technical guides and how-tos on Linux/Unix and macOS
04 Jul 2026
3 minutes read
How to Fix Ubuntu Packages Held Back
When trying to run do-release-upgrade on an Ubuntu 22.04 VM, I hit this familiar wall: root@ansible:/# …
09 Nov 2025
2 minutes read
FB4 How to Resize Filesystem With Resize2fsHow to Resize Filesystem With Resize2fs
Quick note on filesystem resize on a typical virtual disk. I needed to resize root filesystem on my Ubuntu server to add …
09 Jun 2025
1 minutes read
MacOS Tahoe
macOS Tahoe is the upcoming major release of macOS for Apple desktops and laptops. Technically, macOS Tahoe is the 15th …
07 Jun 2025
2 minutes read
Centralized Bash History With Timestamps
BASH is my Linux shell of choice (it’s zsh on macOS). It’s a great command line interpreter that strikes the …
01 Apr 2025
1 minutes read
Inspect Filesystem Operations With Fs_usage in MacOS
hey Unless you disable SIP, most of DTrace based functionality is missing in recent macOS versions. Thankfully, there …
13 Oct 2024
2 minutes read
How-To: Upgrade Ubuntu 23.04 to 24.10
I reliased one of my Raspberry Pi systems was installed with Ubuntu 23.04 - it’s not an LTS release and is …
03 Sep 2024
2 minutes read
MacOS Sequoia 15.0
Apple keeps shipping public betas of macOS Sequoia Preview. Notable improvements in macOS 15 Sequoia Window tiling - I …
02 Sep 2024
1 minutes read
Video: Has This Worked Before?
Another video on my YouTube channel UnixTutorial.TV: Has This Worked Before?. Please subscribe to my channel if you …
24 Mar 2024
2 minutes read
Homelab: Mac Pro 2013 32GB
Did I mention that I have recently purchased the iconic Mac Pro 2013 desktop for virtualisation and macOS experiments in …
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 …
How-To: Upgrade Ubuntu 23.04 to 24.10
I reliased one of my Raspberry Pi systems was …