Ubuntu size

df -h

du -sk * | sort -nr | head -10

du -hs directory/*

du -h directory/*

du -ah Directory/*

journalctl --disk-usage

journalctl --vacuum-time=10d

lsof /var/lib/my

mysql -u root -p

use zabbix

DELETE FROM table ORDER BY the field DESC|ASC limit 100

delete from auditlog limit 100000;

delete from history limit 100000;

delete from history_uint limit 100000;

delete from history_text limit 10000;