From b8a9fb3fbfa38df8124421364ad67d8d7c89c504 Mon Sep 17 00:00:00 2001
From: Malin Freeborn <malinfreeborn@posteo.net>
Date: Wed, 28 Feb 2024 18:45:21 +0100
Subject: [PATCH] more journalctl checks

---
 system/systemd/journal.md | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/system/systemd/journal.md b/system/systemd/journal.md
index 490e0de..66cfbff 100644
--- a/system/systemd/journal.md
+++ b/system/systemd/journal.md
@@ -2,6 +2,20 @@
 title: "journal"
 tags: [ "Documentation", "systemd" ]
 ---
+
+See a running log of all system messages:
+
+
+```bash
+journalctl -f
+```
+
+Or just one unit (`sshd`):
+
+```bash
+journalctl -f -u sshd
+```
+
 Find errors since November
 
 ```bash
@@ -14,3 +28,11 @@ Limit size to 2G.
 journalctl --vacuum-size=2G
 ```
 
+Log the fact that you've installed your own `dnsmasq` on your system to `journalctl`, so that you can notice why your system's broken:
+
+
+```bash
+logger "Installed new dnsmasq"
+sudo journalctl -f
+```
+