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docs: make rootless cgroup delegate.conf copy-pasteable #25829

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18 changes: 13 additions & 5 deletions content/manuals/engine/security/rootless/tips.md
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Expand Up @@ -152,15 +152,23 @@ $ cat /sys/fs/cgroup/user.slice/user-$(id -u).slice/user@$(id -u).service/cgroup
memory pids
```

To allow delegation of all controllers, you need to change the systemd configuration as follows:
To allow delegation of all controllers, change the systemd configuration:

```console
# mkdir -p /etc/systemd/system/user@.service.d
# cat > /etc/systemd/system/user@.service.d/delegate.conf << EOF
$ sudo mkdir -p /etc/systemd/system/user@.service.d
```

Create `/etc/systemd/system/user@.service.d/delegate.conf`:

```ini
[Service]
Delegate=cpu cpuset io memory pids
EOF
# systemctl daemon-reload
```

Then reload systemd:

```console
$ sudo systemctl daemon-reload
```

> [!NOTE]
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