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SOLVED: Proxmox VE Error old systemd (< v232) detected, container won't run in a pure cgroupv2 environment! cgroup version

Proxmox, CT, cgroupv2

Saat migrasi atau restore backuo CT muncul error: old systemd (< v232) detected, container won't run in a pure cgroupv2 environment! Please see documentation -> container -> cgroup version.
 

Hal ino terjadi jika pada Proxmox 8 jika CT berasal dari Proxmox versi lama dengan OS Guest versi lama juga. Cara mengatasinya:

  1. nano /etc/default/grub
  2. Tambahkan systemd.unified_cgroup_hierarchy=0 pada GRUB_CMDLINE:

    GRUB_CMDLINE_LINUX_DEFAULT=”quiet systemd.unified_cgroup_hierarchy=0″

  3. update-grub
  4. Restart Server/node

HTH.

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