DB13 – errno 13: Permission Denied

Problem
You found this error in DB13 Job Log :
Job started
Step 001 started (program RSDBAJOB, variant &0000000000053, user ID SAPBASIS)
Execute logical command BRCONNECT On host sapdev00
Parameters: -u / -jid CHECK20090710123233 -c -f check
BR0801I BRCONNECT 7.00 (18)
BR0252W Function fopen() failed for ‘/oracle/DEV/102_64/dbs/initDEV.ora’ at location BrInitOraCopy-2
BR0253W errno 13: Permission denied
BR0252E Function fopen() failed for ‘/oracle/DEV/sapcheck/ceazhwgd.chk’ at location main-9
BR0253E [...]

VNC Server Start/Stop Command

In computing, Virtual Network Computing (VNC) is a graphical desktop sharing system that uses the RFB protocol to remotely control another computer. It transmits the keyboard and mouse events from one computer to another, relaying the graphical screen updates back in the other direction, over a network.
(wikipedia)
Usage: vncserver [] [:]
[...]

What happened with Linux clustering for SAP

Sometimes, when you fail over cluster in Linux using LifeKeeper, some user environment doesn’t set accordingly. This will make you unable to run some commands from SAP. In my case, I’m clustering he Central Instance and Database Instance into different nodes. For example in DB13, you will have an error when you schedule job like [...]