On Wed, Sep 16, 2009 at 04:11:17PM +0200, Sven Joachim wrote: > On 2009-09-16 15:57 +0200, Sjoerd Hardeman wrote: > > > Kept thinking a bit longer: are the uids and gids of daemon users > > actually determined during install? My experience is that these users > > actually preserve their uid over installations quite well. > > This is only true for users with a UID < 100, as these are defined and > maintained by the base-passwd package. System users with a higher UID > get their UID and GID allocated at package installation time and use the > first ones that are available. So these vary greatly between systems.
strange I use ldap for my userid/passwdb and when I build a new
machine, I install a based debian, install my slapd packages which
integrate into pam/nss and then at the beggining I do a uid/gid check to
sync up uid/gid - usually only 1 or 2 changes like sshd <=> exim
but after that I can install all my other packages like apache and they
check first to see if the userid exist before creating any new ones, so
I have consistant uid/gid across all my machines.
so if the op is copying over his /etc/{passwd,groups,shadow} files and
then starts to install packages that should be fine
by your logic if I purged apache and then reinstalled I would recieve a
new uid/gid !
>
> Sven
>
>
--
"One of the great things about books is sometimes there are some fantastic
pictures."
- George W. Bush
01/03/2000
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