WebLogic Admin Tricks & Tips

As a Middleware Admin, we might need to check the mail service is working or not on the Linux machine or Soloris machine on which our Weblogic running. To monitor and send the traps for issues we must have mail service enabled. In Linux how to check mail service up? We have tried to test the sendmail command from the Linux machine. with the following command: echo "This is the body."| mailx -s "mailx Test1" bhavanishekhar@gmail.com echo "test" | mailx -s "test_sub" bhavanishekhar@gmail.com When I tested with the above test message got the error saying as follows: postdrop: warning: unable to look up public/pickup: No such file or directory. There is no mail service is running you validate the same with the following: We have several options checking the processes list for the pattern 'mail'. $ ps aux | grep mail |grep -v grep $ or use other option is usually the mail service on Unix machine runs on port 25, so grep it fro...

Today I started re-inventing myself, started looking what all I did for me and my team to perform in better ways. Remembered those we used to open UNIX SSH windows to monitor How the CPU load average in each site. While doing this monitoring activity on site1, there might be possible that some other site reach to overload, which leads to uncontrol tendency to work. It was funny, my dear buddy named it as 'Barbar work!!' :) After little R & D on Google/Internet found few suitable solutions. I had chosen 'uptime' command running with remote SSH connection in a loop. Adding more value to this sending a mail on the event of crossing the threshold value. This threshold will be vary depending upon the application and CPU power. Trail and error make you to identify what could be the threshold. Defining these threshold values Venu GopalRao helped a lot. Once script started working he was amazed and appreciated as well. This script can be run forever with a specified ti...