https://www.unixtutorial.org/Recent content on Unix TutorialHugo -- gohugo.ioen-usWed, 12 Aug 2026 13:12:46 +0100https://www.unixtutorial.org/decrypt-files-with-ansible-vault/Wed, 12 Aug 2026 00:00:00 +0000https://www.unixtutorial.org/decrypt-files-with-ansible-vault/Use ansible-vault decrypt to restore an encrypted file, or display its plaintext first with ansible-vault view without replacing the encrypted file.https://www.unixtutorial.org/macos-footprint-command/Mon, 10 Aug 2026 00:00:00 +0000https://www.unixtutorial.org/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.https://www.unixtutorial.org/ubuntu-packages-held-back-apt-full-upgrade/Sat, 04 Jul 2026 00:00:00 +0000https://www.unixtutorial.org/ubuntu-packages-held-back-apt-full-upgrade/When trying to run do-release-upgrade on an Ubuntu 22.04 VM, I hit this familiar wall: root@ansible:/# do-release-upgrade Checking for a new Ubuntu release Please install all available updates for your release before upgrading.https://www.unixtutorial.org/how-to-resize-filesystem-with-resize2fs/Sun, 09 Nov 2025 00:00:00 +0000https://www.unixtutorial.org/how-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 extra space.https://www.unixtutorial.org/macos-26-tahoe/Mon, 09 Jun 2025 00:00:00 +0000https://www.unixtutorial.org/macos-26-tahoe/macOS Tahoe is the upcoming major release of macOS for Apple desktops and laptops. Technically, macOS Tahoe is the 15th major release of macOS, but following recently announced rebranding, it’s going to be called macOS 26.https://www.unixtutorial.org/centralized-bash-history-with-timestamps/Sat, 07 Jun 2025 00:00:00 +0000https://www.unixtutorial.org/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 right balance of usefulness and ease of learning.https://www.unixtutorial.org/inspect-filesystem-operations-fs_usage-macos/Tue, 01 Apr 2025 00:00:00 +0000https://www.unixtutorial.org/inspect-filesystem-operations-fs_usage-macos/hey Unless you disable SIP, most of DTrace based functionality is missing in recent macOS versions. Thankfully, there are still low level native utilities like fs_usage!https://www.unixtutorial.org/upgrade-ubuntu-23-04-to-24-10/Sun, 13 Oct 2024 00:00:00 +0000https://www.unixtutorial.org/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 therefore end of life.https://www.unixtutorial.org/macos-15-sequoia/Tue, 03 Sep 2024 00:00:00 +0000https://www.unixtutorial.org/macos-15-sequoia/Apple keeps shipping public betas of macOS Sequoia Preview. Notable improvements in macOS 15 Sequoia Window tiling - I use a wonderful Moom app for this so far, but it seems efficient tiling is finally coming to native macOS so third party apps won’t be needed.https://www.unixtutorial.org/youtube-has-this-worked-before/Mon, 02 Sep 2024 00:00:00 +0000https://www.unixtutorial.org/youtube-has-this-worked-before/Another video on my YouTube channel UnixTutorial.TV: Has This Worked Before?. Please subscribe to my channel if you haven’t done so yet!https://www.unixtutorial.org/mac-pro-2013-with-macos-sonoma/Sun, 24 Mar 2024 00:00:00 +0000https://www.unixtutorial.org/mac-pro-2013-with-macos-sonoma/Did I mention that I have recently purchased the iconic Mac Pro 2013 desktop for virtualisation and macOS experiments in my homelab?https://www.unixtutorial.org/macos-14-sonoma/Sat, 30 Sep 2023 00:00:00 +0000https://www.unixtutorial.org/macos-14-sonoma/Apple just released new version of macOS, codenamed Sonoma. There are the usual security fixes but also lots of really cool usability improvements.https://www.unixtutorial.org/youtube-what-browser-do-you-use/Tue, 26 Sep 2023 00:00:00 +0000https://www.unixtutorial.org/youtube-what-browser-do-you-use/Another fairly recent video on my YouTube channel: What Browser Do You Use?. Please subscribe to my channel if you haven’t done so yet!https://www.unixtutorial.org/welcome-to-unixtutorial-youtube-channel/Fri, 15 Sep 2023 00:00:00 +0000https://www.unixtutorial.org/welcome-to-unixtutorial-youtube-channel/I made a welcome video on my YouTube channel: Welcome to Unix Tutorial. Please subscribe to my channel if you haven’t done so yet!https://www.unixtutorial.org/macbook-pro-14-m2/Tue, 31 Jan 2023 00:00:00 +0000https://www.unixtutorial.org/macbook-pro-14-m2/The day has come! After 5 years of using MacBook Pro 15" with retina screen and i7 processor, I have finally upgraded my laptop to the M2 based MacBook Pro 14"!https://www.unixtutorial.org/awk-delimiters-video/Thu, 17 Nov 2022 00:00:00 +0000https://www.unixtutorial.org/awk-delimiters-video/I have published a new video on YouTube: Introduction to AWK Delimiters. Please subscribe to my channel if you haven’t done so yet!https://www.unixtutorial.org/macos-13-ventura/Tue, 25 Oct 2022 00:00:00 +0000https://www.unixtutorial.org/macos-13-ventura/Excellent! Apple just released new version of macOS, codenamed Ventura. As always, most of the features are visual and usability improvements, so from Unix point of view I do not expect anything more dramatic than uplift of shells and built-in software.https://www.unixtutorial.org/generating-ed25519-ssh-key-video/Fri, 21 Oct 2022 00:00:00 +0000https://www.unixtutorial.org/generating-ed25519-ssh-key-video/I have published a new video on YouTube the other week: How To: Generate Ed25519 SSH key pair about Ed25519 SSH keys.https://www.unixtutorial.org/unixtutorial-tv-youtube-channel/Wed, 05 Oct 2022 00:00:00 +0000https://www.unixtutorial.org/unixtutorial-tv-youtube-channel/Video: Testing TCP Connections with curl I have published a new video on YouTube recently, this time on a separate YouTube Unix Tutorial TV channel.https://www.unixtutorial.org/how-to-uninstall-vmware-player-ubuntu-linux-mint/Tue, 16 Aug 2022 00:00:00 +0000https://www.unixtutorial.org/how-to-uninstall-vmware-player-ubuntu-linux-mint/VMware Workstation Pro I’ve been a happy user of Virtual Box for most of my desktop needs over the past years.