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Systemctl Cheet Sheet - Revision history
2026-06-02T16:17:36Z
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Admin: Created page with "= systemctl Cheat Sheet = This is a generic `systemctl` cheat sheet using `alloy.service` as the example unit name. == Service Status == <pre> systemctl status alloy.service systemctl is-active alloy.service systemctl is-enabled alloy.service </pre> == Start, Stop, Restart == <pre> systemctl start alloy.service systemctl stop alloy.service systemctl restart alloy.service systemctl reload alloy.service </pre> == Enable or Disable at Boot == <pre> systemctl enable a..."
2026-04-20T14:23:43Z
<p>Created page with "= systemctl Cheat Sheet = This is a generic `systemctl` cheat sheet using `alloy.service` as the example unit name. == Service Status == <pre> systemctl status alloy.service systemctl is-active alloy.service systemctl is-enabled alloy.service </pre> == Start, Stop, Restart == <pre> systemctl start alloy.service systemctl stop alloy.service systemctl restart alloy.service systemctl reload alloy.service </pre> == Enable or Disable at Boot == <pre> systemctl enable a..."</p>
<p><b>New page</b></p><div>= systemctl Cheat Sheet =<br />
<br />
This is a generic `systemctl` cheat sheet using `alloy.service` as the example unit name.<br />
<br />
== Service Status ==<br />
<br />
<pre><br />
systemctl status alloy.service<br />
systemctl is-active alloy.service<br />
systemctl is-enabled alloy.service<br />
</pre><br />
<br />
== Start, Stop, Restart ==<br />
<br />
<pre><br />
systemctl start alloy.service<br />
systemctl stop alloy.service<br />
systemctl restart alloy.service<br />
systemctl reload alloy.service<br />
</pre><br />
<br />
== Enable or Disable at Boot ==<br />
<br />
<pre><br />
systemctl enable alloy.service<br />
systemctl disable alloy.service<br />
systemctl enable --now alloy.service<br />
systemctl disable --now alloy.service<br />
</pre><br />
<br />
== Reload Unit Files ==<br />
<br />
<pre><br />
systemctl daemon-reload<br />
</pre><br />
<br />
Use this after changing a unit file in `/etc/systemd/system/`.<br />
<br />
== View Unit Definition ==<br />
<br />
<pre><br />
systemctl cat alloy.service<br />
systemctl show alloy.service<br />
</pre><br />
<br />
== Edit a Unit ==<br />
<br />
<pre><br />
systemctl edit --full alloy.service<br />
systemctl edit alloy.service<br />
</pre><br />
<br />
Notes:<br />
* `--full` edits the whole unit file<br />
* without `--full`, systemd creates a drop-in override<br />
<br />
== Remove Overrides ==<br />
<br />
<pre><br />
systemctl revert alloy.service<br />
</pre><br />
<br />
== Logs ==<br />
<br />
<pre><br />
journalctl -u alloy.service<br />
journalctl -u alloy.service -n 50 --no-pager<br />
journalctl -u alloy.service -f<br />
</pre><br />
<br />
== Failed Units and Unit Files ==<br />
<br />
<pre><br />
systemctl list-units --failed<br />
systemctl --failed<br />
systemctl list-unit-files<br />
</pre><br />
<br />
== Mask and Unmask ==<br />
<br />
<pre><br />
systemctl mask alloy.service<br />
systemctl unmask alloy.service<br />
</pre><br />
<br />
`mask` prevents manual or automatic start.<br />
<br />
== Dependencies ==<br />
<br />
<pre><br />
systemctl list-dependencies alloy.service<br />
</pre><br />
<br />
== Common Workflow After Changing a Service ==<br />
<br />
<pre><br />
systemctl daemon-reload<br />
systemctl restart alloy.service<br />
systemctl status alloy.service<br />
journalctl -u alloy.service -n 50 --no-pager<br />
</pre><br />
<br />
== Common Troubleshooting ==<br />
<br />
<pre><br />
systemd-analyze verify /etc/systemd/system/alloy.service<br />
systemctl cat alloy.service<br />
journalctl -xeu alloy.service<br />
</pre></div>
Admin