From 43a6778dc0b386f32290576478d62c60034ad16f Mon Sep 17 00:00:00 2001 From: sommerfeld Date: Tue, 19 May 2026 15:21:19 +0100 Subject: feat(remote-dev): silence podman cgroups-v1 deprecation warning Ubuntu 20.04 still defaults to cgroups v1; podman 5 emits a deprecation warning on every single invocation. Flipping the host to v2 is a reboot that affects every workload and only matters if we need rootless --memory/--cpus, so just silence the warning via the documented PODMAN_IGNORE_CGROUPSV1_WARNING env var on the home-manager side. --- remote-dev/README.md | 4 +++- remote-dev/home.nix | 7 +++++++ 2 files changed, 10 insertions(+), 1 deletion(-) (limited to 'remote-dev') diff --git a/remote-dev/README.md b/remote-dev/README.md index 172be80..c6519a5 100644 --- a/remote-dev/README.md +++ b/remote-dev/README.md @@ -183,7 +183,9 @@ Verify: ```sh podman info | grep -E 'cgroupVersion|graphDriverName|networkBackend' # expected: graphDriverName: overlay, networkBackend: netavark -# cgroupVersion: v1 is fine — only blocks --memory/--cpus flags. +# cgroupVersion: v1 is fine — only blocks --memory/--cpus flags. The +# podman v5 deprecation warning is silenced by PODMAN_IGNORE_CGROUPSV1_WARNING, +# set in home.nix. podman run --rm docker.io/library/alpine echo hi ``` diff --git a/remote-dev/home.nix b/remote-dev/home.nix index 6ba6620..4d5a476 100644 --- a/remote-dev/home.nix +++ b/remote-dev/home.nix @@ -14,6 +14,13 @@ in home.homeDirectory = builtins.getEnv "HOME"; home.stateVersion = "25.05"; + home.sessionVariables = { + # Ubuntu 20.04 still defaults to cgroups v1; podman 5 warns on every + # invocation. Flipping to v2 is a host-level reboot (see README) and + # only matters if we need --memory/--cpus, so silence the warning. + PODMAN_IGNORE_CGROUPSV1_WARNING = "1"; + }; + # ── Packages ──────────────────────────────────────────────────────────────── # Policy: this profile carries leaf CLI tools plus editor/AI-agent # runtimes (node, uv). It must NEVER carry anything the project build -- cgit v1.3.1