AI, Zero Trust and Resilience: Three Security Priorities for 2025
How AI-assisted defence, Zero Trust and cyber resilience fit together for CISOs and CTOs in 2025, with adoption data from ISC2 and Gartner.
Writing
Notes on leading customer success and technical teams, security strategy, and Linux set-ups I needed to document.
2025
2023
Ubuntu 23.10 with ZFS on root and ZFSBootMenu
Installing Ubuntu 23.10 with ZFS on root and ZFSBootMenu: how my script differs from the upstream guide (swap, encryption, rEFInd, RTL8821CE) and what it does.
Creating a Pop!_OS Recovery Partition by Hand
Add a recovery partition to a custom-partitioned Pop!_OS install: format it, populate it with pop-upgrade, then write recovery.conf and a systemd-boot entry.
Digital Transformation: Common Challenges and How to Handle Them
Where digital transformation programmes stall and what helps: strategy, evidence-based decisions, C-suite sponsorship, plus two examples from my AWS teams.
Roll back a broken Ubuntu system with ZFS snapshots
How I restored an Ubuntu 22.10 laptop in under five minutes after a failed driver install, using ZFS snapshots: create, list, compare, roll back and automate.
Flatpak on Ubuntu: install, add Flathub, manage apps
Ubuntu ships Snap but not Flatpak. Install Flatpak, add the Flathub remote, then find, install, update and remove apps from GNOME Software or the command line.
Building Trust in a Global Virtual Team
Five activities I use to build trust and performance in a distributed team: one-on-ones, feedback, delegation, team meetings and social contact, with examples.
2022
Restoring the Pop!_OS recovery entry in systemd-boot
The Pop!_OS 22.04 recovery entry vanished from my boot menu. How to read the partition IDs with blkid and rebuild the systemd-boot entry by hand.
Converting Pop!_OS 21.10 from ext4 to btrfs
Convert an encrypted Pop!_OS 21.10 install from ext4 to btrfs in place, with subvolumes and the fstab, crypttab and kernelstub changes, no reinstall.