Enable Key Recovery in EJBCA for Device Certificates
In my previous post, I used EJBCA RA Web to issue ThingsBoard device certificates from an externally signed IoT device […]
Identity, Security & PKI
Backup & Recovery
Identity, Security & PKI
Upgrade Keycloak (Tarball + systemd + MariaDB) on Ubuntu 24.04
Short outage method: Stop → Backup → Upgrade → Start Example upgrade: 26.4.6 → 26.5.2 This post upgrades a Keycloak
Cloud, Linux & Virtualization
How to Install Proxmox Backup Server 4.0
In my previous post, I set up a single-node Proxmox VE 9 lab. Now it’s time to give that lab
Cloud, Linux & Virtualization
ZFS System Backups with zrepl on Ubuntu (ZFS root)
A clean, cron-free way to back up a ZFS-root Ubuntu server: run zrepl on a backup box and pull snapshots
Cloud, Linux & Virtualization
Ubuntu 24.04: Full Cold Backup of KVM/Libvirt with rsync
TL;DR: Power off all VMs → (optionally) stop or mask libvirt sockets so nothing auto-starts → rsync both /etc/libvirt and