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Full Discussion: Not really looking to replace ps, but is there a ps 'alternative'/wrapper tool
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
Old 03-01-2019
Quote:
Originally Posted by newbie_01
I am looking for one that can maybe do the following:
  1. sort the process from oldest/newest running process
  2. list process that has been started x-time ago, i.e. x-hours/minutes ago. Most especially need this one
  3. 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 DEBIAN

ikisite-wrapper

ikisite-wrapper(1)					      General Commands Manual						ikisite-wrapper(1)

NAME

       ikisite-wrapper - suid wrapper for ikisite

SYNOPSIS

       ikisite-wrapper subcommand options

DESCRIPTION

       ikisite-wrapper is a wrapper around ikisite. It is designed to be safely made suid root, though it is not currently suid by default.

       A  few  ikisite subcommands can be run using the wrapper without any authorisation at all. These include: create, branch, list, sitelookup,
       checklock, updatecustomersite, and enabledns. So making the wrapper suid allows any user to create a site.

       Other ikisite subcommands can only be run using the wrapper by users who specify a nonce in the IKISITE_NONCE environment  variable.  These
       include: delete, changesetup, domains, and deletenonce.

       A  site's  current  nonces  are stored in its .ikisite-nonce file. A nonce can be generated by root or the site's user via using the creat-
       enonce subcommand, but it's usually generated by passing --createnonce to the create or branch subcommands. This allows anyone to create or
       branch a site and then use the nonce to allow further configuration of it (and delete it if something goes wrong).

       Subcommands that can be called by the wrapper either without or with a nonce should be sure to fully validate their inputs.

SEE ALSO

       ikisite(1)

AUTHOR

       Joey Hess <joey@ikiwiki.info>

																ikisite-wrapper(1)
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