m

os/unix/admin/systemd/features/journal/journalctl.txt

@@ -32,10 +32,15 @@ journalctl
     -f
         like tail -f
     -o [json|json-pretty]
+    -x --catalog
+        Add message explanations where available
     --disk-usage
         show occupied space
     --vacuum-size=1G
     --vacuum-time=1years
 
+samples
+    journalctl -xeu <unit>.service
+
 2023
 https://habr.com/ru/articles/749714/

os/unix/admin/systemd/features/journal/journald.txt

@@ -1,4 +1,5 @@
 http://www.unixmen.com/logging-journald-rhel7centos7/
+https://wiki.manjaro.org/index.php/Limit_the_size_of_.log_files_%26_the_journal
 
 2018
 https://www.digitalocean.com/community/tutorials/how-to-use-journalctl-to-view-and-manipulate-systemd-logs
@@ -6,7 +7,10 @@ Journal:
 http://0pointer.de/blog/projects/journalctl.html
 
 cfg
+man journald.conf
+systemd-analyze cat-config systemd/journald.conf
 /etc/systemd/journald.conf
+/etc/systemd/journald.conf.d/size.conf
 
 SystemMaxUse
   max disk size