<div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Jan 6, 2023 at 4:01 PM Hika van den Hoven <<a href="mailto:hikavdh@gmail.com">hikavdh@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hoi Daryl,<br>
<br>
There is one thing you always have to remember when you move data like<br>
this between old and new systems or even more important, share them<br>
between two installation on one physical system.<br>
<br>
usernames and groupnames are meaningless to the computer. The computer<br>
uses the numerical u(ser)id and g(roup)id. For our benefit as stupid<br>
mortals it translates it to a name.<br>
<br>
However the translation between the numerical id's and the names is<br>
unique to every installation, with the only exception of root. Root<br>
always has a uid of 0 and a gid of 0. Some of the groups have<br>
generally by agreement the same gid, but they could be another.<br>
<br>
So if you create a new installation and want to copy or share data<br>
with an old installation you have to ensure the involved users and<br>
groups have the same uid and gid on both installations. You can set<br>
the uid on user creation (if not already taken by another user).<br>
<br>
This is why I use ldap for network wide user and group management. The<br>
user hika and mythtv have the same uid on all computers and most<br>
groups likewise.<br>
<br>
Tot mails,<br>
Hika mailto:<a href="mailto:hikavdh@gmail.com" target="_blank">hikavdh@gmail.com</a><br>
<br>
"Zonder hoop kun je niet leven<br>
Zonder leven is er geen hoop<br>
Het eeuwige dilemma<br>
Zeker als je hoop moet vernietigen om te kunnen overleven!"<br>
<br>
De lerende Mens<br></blockquote><div><br></div><div> daryl@trieli:~$ sudo find / -group lxd 2>/dev/null | tail -5</div>/media/daryl/b48b3666-5550-4407-859d-74f11d287875/home/mythtv/.xmltv/SchedulesDirect.DB<br>/media/daryl/b48b3666-5550-4407-859d-74f11d287875/home/mythtv/.xmltv/tv_grab_zz_sdjson_sqlite.conf<br>/media/daryl/b48b3666-5550-4407-859d-74f11d287875/home/mythtv/antenna.xmltv<br>/media/daryl/b48b3666-5550-4407-859d-74f11d287875/tmp/hdhr_discovery.log<br>/media/daryl/b48b3666-5550-4407-859d-74f11d287875/etc/mythtv/config.xml<br>daryl@trieli:~<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<br>
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</blockquote></div></div>