Finding the process that locked a port in AIX ******************************************************************** Run the following command to check if port is in use

# netstat -an | grep <port number>

If above returns the connection, then run the following command to get the address of the port number

# netstat -Aan | grep <port number>

Once you have […]

Most commands should work on all PowerHA (HACMP prior to 5.5) versions. If there is some syntax error, please consult the manual page for that command.

PowerHA(HACMP) Commands How to start cluster daemons (options in that order:  clstrmgr, clsmuxpd, broadcast message, clinfo, cllockd) clstart -m -s -b -i -l How to show cluster state and […]

I use following ps commands in order to check for performance probelms:

1) Displaying top CPU_consuming processes:

 # ps aux|head -1; ps aux|sort -rn +2|head -10

2) Displaying top 10 memory-consuming processes:

# ps aux|head -1; ps aux|sort -rn +3|head

3) Displaying process in order of being penalized:

# ps -eakl|head -1; ps -eakl|sort -rn +5

[…]

Commands

CUT:

lspv | cut -c 6-7 lists the hdisks numbers (cuts the 6th and 7tn character (disk nubers)) dlnkmgr view -drv | grep -w 00000 | awk ‘{print $4}’ | cut -d . -f 3

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EXPR: integer arithmetic

\* multiplication (\ is needed to tell * is not a special character) / division […]

Disable first time password change in AIX

How to disable first time password change in AIX?

Usually in AIX, if you change the password of a user, it will prompt the user to change his password when he login first time.

To disable this first time password change in AIX Server, Clear the ADMCHG […]