ps lists user as uid instead of username
in [General Linux]
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From: Rahul on 11 Aug 2010 13:53 Robert Nichols <SEE_SIGNATURE(a)localhost.localdomain.invalid> wrote in news:i3unak$93t$1(a)omega-3a.local: > Total shot in the dark here, but by any chance is there more than one > user name that maps to UID 512? > Nope! Just one. But I wonder what would happen if I did have two (although don't know what reason one could have to clash uid's but i've seen stranger things before! :) ) -- Rahul
From: Rahul on 11 Aug 2010 13:54 J G Miller <miller(a)yoyo.ORG> wrote in news:i3un5f$8nm$3(a)news.eternal- september.org: > By ze vay, you do know that if you want to see the actual username rather > than userid, you can create your own ps output format listing using > the -o parameter. > Nope, I didn't know. Thanks for the pointer. The only way I've used ps is ps aux -- Rahul
From: J G Miller on 11 Aug 2010 14:37 On Wedinesday, August 11th, 2010 at 17:53:25h +0000, Rahul wrote: > Robert Nichols <SEE_SIGNATURE(a)localhost.localdomain.invalid> wrote in > news:i3unak$93t$1(a)omega-3a.local: > >> Total shot in the dark here, but by any chance is there more than one >> user name that maps to UID 512? >> >> > Nope! Just one. But I wonder what would happen if I did have two > (although don't know what reason one could have to clash uid's but i've > seen stranger things before! :) ) I think you can have two usernames with the same uid (not a good idea though) and ps would just show the first entry in /etc/passwd.
From: The Natural Philosopher on 11 Aug 2010 14:54 J G Miller wrote: > On Wedinesday, August 11th, 2010 at 17:53:25h +0000, Rahul wrote: > >> Robert Nichols <SEE_SIGNATURE(a)localhost.localdomain.invalid> wrote in >> news:i3unak$93t$1(a)omega-3a.local: >> >>> Total shot in the dark here, but by any chance is there more than one >>> user name that maps to UID 512? >>> >>> >> Nope! Just one. But I wonder what would happen if I did have two >> (although don't know what reason one could have to clash uid's but i've >> seen stranger things before! :) ) > > I think you can have two usernames with the same uid (not a good idea though) > and ps would just show the first entry in /etc/passwd. > Correct.
From: Richard Kettlewell on 11 Aug 2010 15:52
J G Miller <miller(a)yoyo.ORG> writes: > I think you can have two usernames with the same uid (not a good idea > though) and ps would just show the first entry in /etc/passwd. Standard configuration on some platforms. [richard(a)heceptor ~]$ head -4 /etc/passwd # $FreeBSD: src/etc/master.passwd,v 1.40.22.1.2.1 2009/10/25 01:10:29 kensmith Exp $ # root:*:0:0:Charlie &:/root:/usr/local/bin/bash toor:*:0:0:Bourne-again Superuser:/root: -- http://www.greenend.org.uk/rjk/ |