Not really looking to replace ps, but is there a ps 'alternative'/wrapper tool Post: 303031463

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Top Forums UNIX for Beginners Questions & Answers Not really looking to replace ps, but is there a ps 'alternative'/wrapper tool Post 303031463 by bakunin on Friday 1st of March 2019 12:24:48 AM

03-01-2019

Registered User

Quote:

Originally Posted by newbie_01

I am looking for one that can maybe do the following:

sort the process from oldest/newest running process
list process that has been started x-time ago, i.e. x-hours/minutes ago. Most especially need this one
list process 'complete' arguments

All this is relatively easy: ps has a lot of fields you can selectively display in the output. For instance:

"list process 'complete' arguments"

Start with ps -Ao. The -o takes a list of parameters, separated by comma, which are listed in the manpage. What you want here is (quotes from the Linux man page):

Code:

       -o format
              User-defined format.  format is a single argument in the form of
              a blank-separated or comma-separated list,

[...]

       args        COMMAND   command with all its arguments as a string.
                             Modifications to the arguments may be shown.  The
                             output in this column may contain spaces.[...]

So your command would be ps -Ao args to display the complete comands with arguments or maybe ps -Ao pid,ppid,args to display 3 columns with the process' ID, the parent PID and the complete command with arguments for each process, etc.. Analogous for your other requirements. Simply consult the man page and look up the "standard format specifiers" and which information they display.

You tailor the output using this the way you need it for your purposes. Then you do the sorting either by using the --sort parameter (again, see the man page for details) if you have the GNU-ps (which is not portable, so be warned) or just use the standard sort utility to sort ps's output.

I hope this helps.

bakunin

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LEARN ABOUT CENTOS

wrapper

JavaServiceWrapper(1)                                         General Commands Manual                                        JavaServiceWrapper(1)

NAME

       wrapper - Jar daemon wrapper

USAGE

         wrapper <command> <configuration file> [configuration properties] [...]
         wrapper <configuration file> [configuration properties] [...]
            (<command> implicitly '-c')
         wrapper <command>
            (<configuration file> implicitly 'wrapper.conf')
         wrapper
            (<command> implicitly '-c' and <configuration file> 'wrapper.conf')

       where <command> can be one of:
         -c  --console run as a Console application
         -v  --version print the wrapper's version information.
         -?  --help    print this help message
         -- <args>     mark the end of Wrapper arguments.  All arguments after the
                       '--' will be passed through unmodified to the java application.

       <configuration file> is the wrapper.conf to use.  Name must be absolute or relative
         to the location of wrapper

       [configuration properties] are configuration name-value pairs which override values
         in wrapper.conf.  For example:
         wrapper.debug=true

         Please note that any file references must be absolute or relative to the location
         of the Wrapper executable.

JAVA WRAPPER SERVICE DESCRIPTION

        The Java Service Wrapper makes very easy to install a Java Application as a
        daemon process on Unix systems. The Wrapper monitors a JVM (Java Virtual
        Machine) process and automatically restarts it if it that the JVM has crashed
        or hung. This process takes just a few seconds once the Wrapper has decided
        there is a problem. It also gives the ability to handle process priority.

AUTHOR

       Java  Service  Wrapper  Community  Edition  32-bit  3.5.3  Copyright (C) 1999-2010 Tanuki Software, Ltd. All Rights Reserved.  http://wrap-
       per.tanukisoftware.com

       This manual page was written by Remi Debay <debay.remi@gmail.com>.

                                                                    10/08/2010                                               JavaServiceWrapper(1)

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