Category: Uncategorized

  • Rebuilding GRUB After a Ceph Misadventure on Ubuntu 24.04 arm64 Proxmox VE

    Recently, I encountered a rather frustrating issue with my Ubuntu system running inside a Proxmox VE (PVE) virtual machine. The culprit? A seemingly innocent attempt to adjust the placement group (PG) count in my Ceph cluster. What started as a routine optimization turned into a full-blown system crash, leaving my Ubuntu installation unbootable and my…

  • Raspberry Pi 5 Proxmox VE Cluster

    Install a standard Raspberry Pi OS (Debian Wormbook) Configure /etc/hosts for all 4 boards 192.168.1.101 node001.proxmox.com node001192.168.1.175 node002.proxmox.com node002192.168.1.213 node003.proxmox.com node003192.168.1.182 node004.proxmox.com node004 Disable IPv6 (Optional) Change system source list deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm main contrib non-freedeb https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm-updates main contrib non-freedeb https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm-backports main contrib non-freedeb https://mirrors.tuna.tsinghua.edu.cn/debian-security bookworm-security main contrib non-free sudo vim /etc/sysctl.conf net.ipv6.conf.all.disable_ipv6…