Diskspace

Clear disk space

# If syslog is big then you can rotate log and then clear up

savelog -g adm -m 640 -u root -c 7 /var/log/syslog

Diskspace

# Get summary

df -m

# Size of top level directories in Mb in alphabetical order (so you can see if any take a long time to process)

ls / | sort
ls / | sort | grep -v "usr" | xargs -n 1 du -m -d 0 2>/dev/null
ls . | sort | grep -v "usr" | xargs -n 1 du -m -d 0 2>/dev/null
( cd /opt/mydirectory ; ls . | sort | grep "id" | xargs -n 1 du -m -d 0 2>/dev/null | sort -n )

# Then drill into each

du -ma -d 1 /home 2>/dev/null | sort -rn
du -ma -d 1 /lib 2>/dev/null | sort -rn
du -ma -d 1 /usr 2>/dev/null | sort -rn
du -ma -d 1 /var 2>/dev/null | sort -rn
du -ma -d 1 /tmp 2>/dev/null | sort -rn