Re: drop obsolete static uid/gid allocations

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On 2017-01-15 12:54 PM, Zbigniew Jędrzejewski-Szmek wrote:
On Sun, Jan 15, 2017 at 08:13:42AM +0100, Pavel Raiskup wrote:
On Sunday, January 15, 2017 12:30:51 AM CET Nico Kadel-Garcia wrote:
On Sat, Jan 14, 2017 at 7:20 PM, Zbigniew Jędrzejewski-Szmek
<zbyszek@xxxxxxxxx> wrote:
On Sun, Jan 15, 2017 at 01:17:52AM +0100, Reindl Harald wrote:

Am 15.01.2017 um 01:13 schrieb Zbigniew Jędrzejewski-Szmek:
== No need for static allocation, afaict
games, man, slocate, squid, named, postgres, mysql, nscd,
rpcuser, rpc, rpm, ntp, mailman, gdm, utempter, apache, smmsp,
tomcat, frontpage, nut, beagleindex, avahi, tcpdmp, privoxy, radvd,
imap, majordomo, polkituser, screen, clamav, saned, mock, ricci, luci
this idea is horrible wenn you maintain many machines over many
years because the 27/27 for mysqld and 48/48 for apache as example
ensures that you can clone/move data between every redhat based
distribution of the last 15 years and you wnat to go that capability
to be gone
How do you "clone/move data"? Normally tar/rsync/scp will use the user
or group name, not the number.
Except when it doesn't. The mysql use on one system may not *exist* at
the time of running rsync or tar, and it certainly does not work wekk
across mounted disk images or NFSv3 and most NFSv4 mounts.

Let's not change static, stable content that there isn't a compelling
reason to change.
Agreed; at least for the databases, please don't drop postgres and mysql,
thank you.

Please keep apache and tomcat as well (same for jboss, which fortunately is not in the list).

Thanks!

Fernando



The pattern to take into account might be that "external storage is often
used to store data" of the service.  Without central arbiter (which users
are often a bit to setup for e.g. for "only" database server) it is
non-trivial to keep UIDs/GIDs synced across VM deployments.
Ack.

Zbyszek
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