Clear Journal logs on Linux host Date Posted: 29-04-2018 We ran out of disk space on our server and /var consumes more disk space. On checking further,  /var/log/journal consumes more disk space. The safest way to remove unnecessary entries via journalctl journalctl –vacuum-size=128M Now, verify journalctl. journalctl –verify Edit SystemMaxuse on /etc/systemd/journald.conf vi /etc/systemd/journald.conf SystemMaxUse=128M