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fix(rootless): start daemon with slirp4netns, not invalid pasta+builtin

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The rootless dockerd override forced NET=pasta + PORT_DRIVER=builtin, which
rootlesskit rejects ('pasta requires port driver none or implicit'), so the
daemon failed to start every time (the real cause behind 'rootless socket not
found'). Use slirp4netns + builtin (valid, still skips the userspace
port-handler). Verified: daemon now comes up, docker Server 29.5.2 responds.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Signed-off-by: librelad <librelad@digitalangels.vip>
This commit is contained in:
librelad 2026-05-23 22:02:42 +01:00
parent 7a277384f0
commit 049d5de6a8
1 changed files with 7 additions and 6 deletions
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13
scripts/docker/install/rootless/rootless_docker.sh
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@ -111,13 +111,14 @@ EOF
((menu_number++))
echo ""
echo "---- $menu_number. Configuring rootless networking (pasta + builtin port driver)."
echo "---- $menu_number. Configuring rootless networking (slirp4netns + builtin port driver)."
echo ""
# pasta replaces slirp4netns as the net namespace driver — higher
# throughput, lower latency, native IPv6, much better UDP. The
# builtin rootlesskit port driver skips the slirp4netns userspace
# port-handler and shaves per-connection overhead.
# slirp4netns is the net namespace driver; the builtin rootlesskit port
# driver skips slirp4netns's userspace port-handler and shaves
# per-connection overhead. (pasta is faster but requires a recent passt
# AND port driver none/implicit — the pasta+builtin combo is rejected by
# rootlesskit, which silently kept the rootless daemon from starting.)
systemd_user_dir="/home/$CFG_DOCKER_INSTALL_USER/.config/systemd/user"
local result=$(dockerCommandRunInstallUser "mkdir -p $systemd_user_dir")
checkSuccess "Create the systemd user directory if it doesn't exist"
@ -131,7 +132,7 @@ EOF
sudo bash -c "cat <<EOL > '$override_conf_file'
[Service]
Environment='DOCKERD_ROOTLESS_ROOTLESSKIT_NET=pasta'
Environment='DOCKERD_ROOTLESS_ROOTLESSKIT_NET=slirp4netns'
Environment='DOCKERD_ROOTLESS_ROOTLESSKIT_PORT_DRIVER=builtin'
Environment='DOCKERD_ROOTLESS_ROOTLESSKIT_MTU=$CFG_NETWORK_MTU'
EOL"