NIC Speed Change on AIX

chdev -l en0 -a state=detach
chdev -l ent0 -a media_speed=1000_Full_Duplex
chdev -l en0 -a state=up
mkdev -l inet0

Command to find the HBA LUN connection details

cd /usr/DynamicLinkManager/bin
./dlnkmgr view -path
./dlnkmgr view -hba
./dlnkmgr view -lu

Step 1: Execute below command to find the offline path id
         
           /usr/DynamicLinkManager/bin/dlnkmgr view -lu
       

Step 2:  Find the offline pathId and execute below command.

          dlnkmgr online -pathid   <pathid>

Step 3:  Execute below command to verify if the path is back online
                       
           /usr/DynamicLinkManager/bin/dlnkmgr view -lu  (or)  /usr/DynamicLinkManager/bin/dlnkmgr view -path

How To fix the timeout Issues on AIX for a User

Put the following in /etc/profile otherwise add it to users $HOME/.profile

TMOUT=10800

(or)
export TMOUT=10800 (the session will be not be closed for 3 (3*60*60) hour)

TIMEOUT=10800 (for bash)
TMOUT=10800 (for ksh)

To Stop/Start the LPD(print Queue) in AIX

stopsrc -s qdaemon
startsrc -s qdaemon

Commnads to start the XManager in AIX

lslpp -l | grep -i x11
export DISPLAY=10.129.4.133:0
xterm
lslpp -l X11.base.lib
exit
ps -ef | grep -i x