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….
7. Shorewall : Filtrez sur la géolocalisation / GeoIP
Shorewall permet d’exploiter le filtrage d’IP par geo-localisation de l’IP fourni par Netfilter. Pour cela, il faut d’abord installer quelques outils, et surtout…
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…
6. Shorewall : Haute disponibilité avec `keepalived`
Introduction Que ce soit pour les mise à jour du serveur Shorewall ou pour le «fail-over», configurez votre Shorewall en HA (haute disponibilité)….
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…
Comment ajouter un Cluster Network «Full-Mesh» à Ceph sur Proxmox VE
Prérequis Vous avez un cluster Proxmox VE d’au moins 3 nœuds en mode HCI avec Ceph Vous désirez ajouter un réseau de stockage…
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…
5. Shorewall en entreprise : Traçabilité, documentation des règles, revues d’audit, journalisation
1. Traçabilité Garder toutes les versions et l’historique des changements de configuration. Shorewall étant basé sur des fichiers texte, il suffit d’utiliser git.De…
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