Technical posts about platform engineering, infrastructure, DevOps, and cloud automationhttps://beez.lyhttps://beez.ly/migrating-an-lvm-logical-volume-onto-a-new-block-device-without-downtimehttps://beez.ly/migrating-an-lvm-logical-volume-onto-a-new-block-device-without-downtimeStep-by-step guide to live-migrating a Linux filesystem from local disk to iSCSI storage using LVM mirroring, with zero downtimeMon, 02 Jun 2014 00:00:00 GMTAndrew Beresfordhttps://beez.ly/authenticating-azure-users-with-hashicorp-vaulthttps://beez.ly/authenticating-azure-users-with-hashicorp-vaultConfigure Hashicorp Vault 0.10.4's JWT/OIDC authentication method to authenticate Azure users using access tokens from the Azure CLIWed, 25 Jul 2018 00:00:00 GMTAndrew Beresfordhttps://beez.ly/managing-unifi-content-filters-with-cli-toolhttps://beez.ly/managing-unifi-content-filters-with-cli-toolA Python CLI tool for managing Unifi Network Controller DNS blocklists without the web UI. Treat content filters like code - fetch, edit, version control, and sync them back.Fri, 02 Jan 2026 00:00:00 GMTAndrew Beresfordhttps://beez.ly/provisioning-virtual-machines-using-ephemeral-ssh-keys-in-terraformhttps://beez.ly/provisioning-virtual-machines-using-ephemeral-ssh-keys-in-terraformImprove security when bootstrapping cloud VMs by using Terraform's tls_private_key resource to generate temporary SSH keys that are automatically removed after provisioningWed, 11 Apr 2018 00:00:00 GMTAndrew Beresfordhttps://beez.ly/building-a-development-cas-environment-with-casinoapp-and-casino-test_authenticatorhttps://beez.ly/building-a-development-cas-environment-with-casinoapp-and-casino-test_authenticatorA quick guide to setting up a development CAS authentication server using CASinoApp and the casino-test_authenticator gem, allowing easy testing without managing test accountsThu, 15 May 2014 00:00:00 GMTAndrew Beresford