Solaris Troubleshooting : Using Truss to Identify the Signals sending to a Process


I have started ( aka in 2009 as my own personal reference blog, and later sometime i have realized that my leanings might be helpful for other unixadmins if I manage my knowledge-base in more user friendly format. And the result is today's' You can connect me at -

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11 Responses

  1. gitesh says:


    thanks for deeply analysis but i have 1 issue; on server some time “configuration restart” message came in dmesg. can u explain plzzzzzzzz

  2. Ramdev says:

    can you check what is the alert type, like kernel, user, or any application.
    and can you please post the alert along with all other lines posted with same time stamp as alert

  3. prajwla says:

    Hi Ramdev. ur posts are very useful. But I have one issue.How can I analyze Core dumps or crash dumps. 

    • Ramdev says:

      Hi Prajwala, As an ideal system administrator we dont’ normally try to dig these dumps instead we send them to oracle engineers to analysis and advise the solutions. But some times we are curious to look at it by using some debugging commands like dbx, mdb…etc. The below link is a good reference for your question “”

  4. Yogesh Raheja says:

    @Prajwla, In real world there are tools to analyse core dumps and crash dumps.

  5. venkat says:

    how to display processes from last 1 day.

  6. Ramdev says:

    @Venkat, this will display the processes which are strated in last 24 hours… ps -A -o user,pid,etime|egrep -v “-“

  7. sreedhar says:

    hi guys,

    Could you please explain how can we install vcs in vm ware work station,

  8. sreedhar says:

    Hi Ramdev,

    this UNix admin school is Awesome,,where i can register to get the updates.

    i’m learning lot of things from unix school.Knowledge sharing is good attitude……..thanks lot……..

  1. September 16, 2015

    […] Read – Using Truss to Identify the Signals sending to a Process […]

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