Okay, looked more closely on the source. Apparently the column position of fields of the ps(1) output is automatically determined depended on the position of the header. So just to let you know, following patch worked for my setup: --- xymon-4.3.4/client/xymonclient-linux.sh.orig 2011-07-31 23:01:52.000000000 +0200 +++ xymon-4.3.4/client/xymonclient-linux.sh 2011-08-02 13:40:14.000000000 +0200 @@ -68,7 +68,7 @@ # Report mdstat data if it exists if test -r /proc/mdstat; then echo "[mdstat]"; cat /proc/mdstat; fi echo "[ps]" -ps -Aww -o pid,ppid,user,start,state,pri,pcpu,time,pmem,rsz,vsz,cmd +ps -Aww -o pid,ppid,user,start,state,pri,pcpu,time:12,pmem,rsz:10,vsz:10,cmd # $TOP must be set, the install utility should do that for us if it exists. if test "$TOP" != "" Cheers -cs