https://linuxtransfer.com/tags/sudo/Recent content in Sudo on Linux SecurityHugoenFri, 09 Oct 2026 11:54:11 +0200https://linuxtransfer.com/post/2026-10-09-launch-a-temporary-root-process-withsystemdru/Fri, 09 Oct 2026 11:54:11 +0200https://linuxtransfer.com/post/2026-10-09-launch-a-temporary-root-process-withsystemdru/<h2 id="run-a-single-command-as-root-with-systemdrun">Run a single command as root with <code>systemd‑run</code></h2> <p>When you just need to fire up one command as root and then drop back, <code>sudo</code> is the go‑to.<br> But if your distro already runs systemd, <code>systemd‑run</code> can be a leaner, more isolated way to do it—especially for short‑lived tasks.</p> <h3 id="what-systemdrun-actually-does">What <code>systemd‑run</code> actually does</h3> <p><code>systemd‑run</code> spawns a transient unit (either a <em>scope</em> or a <em>service</em>) that inherits the caller’s privileges and then elevates them to root when you add <code>--user</code> or <code>--scope</code> with <code>--user</code>.<br> Unlike <code>sudo</code>, the unit vanishes as soon as the command finishes, and you can sprinkle a handful of systemd properties on it to tighten the environment.</p>