journal, journalctl, syslog
journal, journalctl, syslog 1 2 # -u 指定 unit journalctl -u file-server 清理磁盘空间 1 2 3 4 5 6 7 8 9 # Check current disk usage of journal files sudo journalctl --disk-usage # Delete journal logs older than 5 days: sudo journalctl --vacuum-time=5days # Delete log files until the disk space taken falls below 200M: sudo journalctl --vacuum-size=200M # Delete old logs and