NO SPACE LEFT ON DEVICE ERROR (LINUX) - XVDA1 IS 100% FULL, WHAT IS IT? HOW TO FIX?

How to View Free Disk Space and Disk Usage From the Linux Terminal

1. $ df
2. $ df -BM (K, M, G, T, P, E, Z or Y - Block sizes )
3. $ df -h (Human readable)

Find Which File cause this size issue

1. $ df -h - (filesystem with sapce used and avilable)
2. $ sudo du -shx /* | sort -h (to find which file is large)
3. $ sudo du -shx /usr/* | sort -h

Delete Log files

• sudo -i
• echo "" > /var/log/kern.log
• echo "" > /var/log/syslog
• echo "" > /var/log/debug
• service syslog restart
• journalctl --vacuum-size=50M