Groups > linux.debian.user > #190942

Re: Strange message during boot

From	The Wanderer <wanderer@fastmail.fm>
Newsgroups	linux.debian.user
Subject	Re: Strange message during boot
Date	2018-01-11 16:50 +0100
Message-ID	<v6Nh7-2Tc-3@gated-at.bofh.it> (permalink)
References	(4 earlier) <v6Mbn-2am-1@gated-at.bofh.it> <v6Ml4-2eb-7@gated-at.bofh.it> <v6MXM-2KV-9@gated-at.bofh.it> <v6MXM-2KV-13@gated-at.bofh.it> <v6N7r-2P4-3@gated-at.bofh.it>
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On 2018-01-11 at 10:35, Greg Wooledge wrote:

> On Thu, Jan 11, 2018 at 10:27:33AM -0500, The Wanderer wrote:
>
>> On 2018-01-11 at 10:23, Brian wrote:

>>> Guaranteed: 'cat /proc/1/comm'.
>> 
>> On my system:
>> 
>> $ dlocate /sbin/init
>> sysvinit-core: /sbin/init
>> $ cat /proc/1/comm
>> init
>> 
>> So the former command produces recognizably useful information, whereas
>> the latter does not.
>> 
>> I can't be sure what the latter command would output on a different
>> system, not having tested it - but since AFAIK the standard practice is
>> to launch the init system via /sbin/init (symlinked to something else if
>> necessary) regardless, I would expect the command to be 'init' in all
>> cases.
> 
> wooledg:~$ ls -l /sbin/init
> lrwxrwxrwx 1 root root 20 Jul  5  2017 /sbin/init -> /lib/systemd/systemd
> wooledg:~$ cat /proc/1/comm
> systemd

So it's smart enough to bypass the name of the symlink when populating
this node? I'm a little bit surprised, especially given the number of
programs which intentionally behave differently depending on which name
they were invoked with, but that could be useful in some circumstances.

> P.S. "ls -l /sbin/init" is the command we usually give to people in
> #debian when they ask similar questions.

Right. I meant to bring that up at some point in the thread, but it
slipped my mind during editing passes on what I'd already written.

-- 
   The Wanderer

The reasonable man adapts himself to the world; the unreasonable one
persists in trying to adapt the world to himself. Therefore all
progress depends on the unreasonable man.         -- George Bernard Shaw

Thread

Strange message during boot Richard Owlett <rowlett@cloud85.net> - 2018-01-10 15:30 +0100
  Re: Strange message during boot David Wright <deblis@lionunicorn.co.uk> - 2018-01-10 16:00 +0100
  Re: Strange message during boot Darac Marjal <mailinglist@darac.org.uk> - 2018-01-10 16:40 +0100
  Re: Strange message during boot Jeroen Mathon <jeroenmathonmac@gmail.com> - 2018-01-11 09:40 +0100
    Re: Strange message during boot Richard Owlett <rowlett@cloud85.net> - 2018-01-11 11:40 +0100
      Re: Strange message during boot rhkramer@gmail.com - 2018-01-11 14:30 +0100
        Re: Strange message during boot Richard Owlett <rowlett@cloud85.net> - 2018-01-11 15:40 +0100
          Re: Strange message during boot The Wanderer <wanderer@fastmail.fm> - 2018-01-11 15:50 +0100
            Re: Strange message during boot Brian <ad44@cityscape.co.uk> - 2018-01-11 16:30 +0100
              Re: Strange message during boot The Wanderer <wanderer@fastmail.fm> - 2018-01-11 16:30 +0100
                Re: Strange message during boot Greg Wooledge <wooledg@eeg.ccf.org> - 2018-01-11 16:40 +0100
                Re: Strange message during boot The Wanderer <wanderer@fastmail.fm> - 2018-01-11 16:50 +0100
                Re: Strange message during boot Sven Joachim <svenjoac@gmx.de> - 2018-01-11 18:40 +0100
            Re: Strange message during boot Curt <curty@free.fr> - 2018-01-13 11:50 +0100
              [LIKELY Resolved] - was [Re: Strange message during boot] Richard Owlett <rowlett@cloud85.net> - 2018-01-13 13:50 +0100
  Re: [Diagnostic Summary] Re: Strange message during boot The Wanderer <wanderer@fastmail.fm> - 2018-01-11 18:20 +0100
    Re: [Diagnostic Summary] Re: Strange message during boot bw <bwtnguy@yahoo.com> - 2018-01-11 18:40 +0100
      Re: [Diagnostic Summary] Re: Strange message during boot The Wanderer <wanderer@fastmail.fm> - 2018-01-11 18:40 +0100
        Re: [Diagnostic Summary] Re: Strange message during boot bw <bwtnguy@yahoo.com> - 2018-01-11 18:50 +0100
          Re: [Diagnostic Summary] Re: Strange message during boot The Wanderer <wanderer@fastmail.fm> - 2018-01-12 14:00 +0100
        Re: [Diagnostic Summary] Re: Strange message during boot Richard Owlett <rowlett@cloud85.net> - 2018-01-12 17:10 +0100
      Re: [Diagnostic Summary] Re: Strange message during boot Richard Owlett <rowlett@cloud85.net> - 2018-01-11 19:50 +0100
        Re: [Diagnostic Summary] Re: Strange message during boot bw <bwtnguy@yahoo.com> - 2018-01-11 20:30 +0100
          Re: [Diagnostic Summary] Re: Strange message during boot Richard Owlett <rowlett@cloud85.net> - 2018-01-12 13:10 +0100
  [Diagnostic Summary] Re: Strange message during boot Richard Owlett <rowlett@cloud85.net> - 2018-01-11 18:20 +0100
    Re: [Diagnostic Summary] Re: Strange message during boot bw <bwtnguy@yahoo.com> - 2018-01-11 18:30 +0100
      Re: [Diagnostic Summary] Re: Strange message during boot Richard Owlett <rowlett@cloud85.net> - 2018-01-12 17:10 +0100
    Re: [Diagnostic Summary] Re: Strange message during boot David Wright <deblis@lionunicorn.co.uk> - 2018-01-11 20:50 +0100
      Re: [Diagnostic Summary] Re: Strange message during boot Richard Owlett <rowlett@cloud85.net> - 2018-01-12 13:30 +0100
        Re: [Diagnostic Summary] Re: Strange message during boot David Wright <deblis@lionunicorn.co.uk> - 2018-01-12 16:30 +0100
          Re: [Diagnostic Summary] Re: Strange message during boot Richard Owlett <rowlett@cloud85.net> - 2018-01-12 17:30 +0100
          HELP!! - was [Re: [Diagnostic Summary] Re: Strange message during  boot] Richard Owlett <rowlett@cloud85.net> - 2018-01-13 02:50 +0100

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