My question is what can I delete or how can I free space so that I can log onto oracle via sqlplus as sysdba. When I execute the command df -k to see the free space in the current directory it appears to be full and on the other machine its at 52%.
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/mapper/rootvq-rootlv 51606140 48985496 0 100% /