Find and remove large junk files from the server

[blackchestnut]

Check

$ df -h
# Filesystem      Size  Used Avail Use% Mounted on
# udev            1.9G     0  1.9G   0% /dev
# tmpfs           395M   12M  383M   3% /run
# /dev/sda         79G   16G   60G  21% /
# tmpfs           2.0G  4.0K  2.0G   1% /dev/shm
# tmpfs           5.0M     0  5.0M   0% /run/lock

Find

$ cd /                                                    
$ sudo du -h . | grep '[0-9\.]\+G'
# 4.0G	./var/log/journal
# 4.5G	./var/log
# 5.1G	./var
# 1.6G	./usr
# 1.1G	./home/devops/.rbenv/versions
# 1.1G	./home/devops/.rbenv
# 2.2G	./home/devops
# ...

Delete files older than specific date in linux

$ find ./ ! -newermt "2020-02-01 00:00:00"  | xargs rm -rf

[blackchestnut]

See also - journalctl disk usage