$ /usr/bin/setsid /usr/bin/ssh -o PreferredAuthentications=password,publickey -o NumberOfPasswordPrompts=1 -o StrictHostKeyChecking=accept-new -o ConnectTimeout=10 -p 22 root@192.168.1.1 /bin/sh -c 'head -n 80 /proc/slabinfo 2>/dev/null || head -n 80 /proc/buddyinfo 2>/dev/null || head -n 80 /proc/vmstat'

STDOUT
Node 0, zone   Normal    893    426    386    215     80     29      9      4      1      2    114 


STDERR