meta data for this page
  •  

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision		Previous revision
linux:systemd:journald [2018/12/17 07:52] – niziaklinux:systemd:journald [2024/09/17 16:32] (current) – niziak
Line 1: Line 1:
 +====== journald ======
  
  
Line 20: Line 21:
 fprintf(stderr, SD_NOTICE "Hello World!\n") fprintf(stderr, SD_NOTICE "Hello World!\n")
 </code> </code>
 +
 +====== reduce journal size ======
 +
 +<code bash>
 +# runtime
 +sudo journalctl --vacuum-size=50M
 +
 +# permanent
 +echo SystemMaxUse=50M | sudo tee -a /etc/systemd/journald.conf
 </code> </code>
 +
 +====== read journal from custom location ======
 +
 +<code bash>
 +journalctl --directory=/mnt/var/lib/journal
 +journalctl --file=/mnt/var/lib/journal/user-1000@*
 +</code>
 +
 +