Upgrading my Five-Node Proxmox VE homelab from 8 to 9: Failures, Recovery, and Lessons Learned
A real Proxmox VE 8-to-9 upgrade across five lab servers: systemd-boot, GRUB, duplicate repositories, Ceph conflicts, and recovery.
Linux
2 Posts
How to Build a 3-Node Percona XtraDB Cluster Lab for MySQL High Availability
Learn how to create a Peona XtraDB Cluster with three nodesto test HA, replicación Galera, IST, SST and Disaster Revcovery.