RKE2: Upgrade from Ubuntu 22.04 to 24.04
If you did not modify the underlying OS, the upgrade is very straightforward. As often for upgrades: the Masters first, then the workers….
Pivert's Blog
Category: System Administration
Add ACME via DNS to ProxmoxVE – Let’sEncrypt
Add Automatic Certificate Management Environment (ACME) to ProxmoxVE (Let’sEncrypt) via DNS. Most of the time, http authentication for the ACME protocol is perfect….
The Crucial P3 SSD Controversy Unveiled
In the realm of solid-state drives (SSDs), expectations are high, especially when consumers are parting with a significant amount of money in anticipation…
Migrate MariaDB Databases to a Galera Cluster on a Kubernetes 3-node Server with OpenEBS ZFSPV StorageClass
Introduction High availability is paramount for stateful applications like MariaDB in Kubernetes (K8S). While our primary focus is MariaDB, these principles can be…
TOP 50 Easy Vim commands to speed up editing
Vim is there for decades and widely used. It continues to progress with regularly updated versions and forks such as Neovim. The problem:…
RKE2 cluster on Ubuntu 22.04 in minutes – Ansible Galaxy and Manual options (2 ways)
Here are 2 ways to set up a Ranche Kubernetes Engine cluster of 3 (or more) nodes. Minimum requirements 3 Ubuntu Server 22.04…
Upgrade NVMe on Linux / Proxmox / Ceph
I just upgraded my tiny 512GB NVMe SSD to a 4TB one on each node. I started with the host pve3. Here are…
Point-in-time recovery (PITR) of PostgreSQL database
This quick guide won’t replace the documentation. It provides an example of PostgreSQL backup, PITR configuration & restore. Backup configuration This is not…
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