Cgroup v2 migration guide#3181
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sspencerwire merged 8 commits intorocky-linux:mainfrom Mar 4, 2026
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Covers enabling the unified cgroup hierarchy, resolving systemd 239 controller limitations, PAM configuration for user sessions, rootless Podman compatibility, Slurm cgroup v2 integration, and the cgroupfs approach for HPC compute nodes. Tested across three complete provision/test/destroy cycles on Vultr Rocky Linux 8.10 instances. Assisted-by: Claude claude-sonnet-4-6 Co-Authored-By: Howard Van Der Wal <hvanderwal@ciq.com>
Remove quotes, use space in 'tested with', use plain string for ai_contributors, remove indentation from tag list items. Assisted-by: Claude claude-sonnet-4-6 Co-Authored-By: Howard Van Der Wal <hvanderwal@ciq.com>
Use claude-opus-4-6 model identifier and major version 8. Assisted-by: Claude claude-opus-4-6 Co-Authored-By: Howard Van Der Wal <hvanderwal@ciq.com>
Assisted-by: Claude claude-opus-4-6 Co-Authored-By: Howard Van Der Wal <hvanderwal@ciq.com>
- Rewrite PAM section: clarify pam_systemd.so is loaded by default via password-auth include, not missing on stock Rocky 8.10 - Update persistent cpuset admonition: Slurm EnableControllers=yes handles cpuset automatically on compute nodes - Fix uppercase SSH to lowercase ssh throughout Assisted-by: Claude claude-opus-4-6 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add 7 references covering kernel cgroup v2 docs, SchedMD cgroup v2 and cgroup.conf docs, Podman PR #24400, systemd resource control, pam_slurm_adopt, and Podman documentation. Inline superscript notation follows Rocky Linux formatting guidelines. Assisted-by: Claude claude-opus-4-6 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
sspencerwire
reviewed
Mar 3, 2026
Assisted-by: Claude claude-opus-4-6 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
sspencerwire
previously approved these changes
Mar 4, 2026
Added a section on AI usage and contribution policy.
sspencerwire
approved these changes
Mar 4, 2026
Test results for e2f77f8:
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Brilliant Steven and thank you for the merge. |
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The guide was written with the help of Claude. The guide has been checked against https://docs.rockylinux.org/guides/contribute/expert_contributing/ , https://docs.rockylinux.org/guides/contribute/ai-contribution-policy/ and https://docs.rockylinux.org/guides/contribute/rockydocs_formatting/ as well. All commands and solutions listed in the document have also been tested.
Author checklist (Completed by original Author)
Rocky Documentation checklist (Completed by Rocky team)