Le 07/06/2013 00:22, paul e condon a écrit :
[...]
Are there any better methods I should be aware of, to ensure that
everywhere the packages are installed in the same sequence?
David,
I am involved in a project that parallels your's in that it is just as
'outside the mainstream' as your's seems to be. I have found some
useful features of Aptitude for building and using a personal
selection of packages:
To generate a list of installed packages, run;
# aptitude -F "%p %M" search "~i" | tr -s " " > /root/packages-all
This generates a list of all installed packages, followed by ' A' if
the package marked as needed by some other package.
Run:
# grep -v ' A$' /root/packages-all > packages-noA
to generate a minimum length list of packages that must be installed
by Aptitude to force the installation of all packages via the
dependency mechanism.
Then to install the whole lot on a nearly naked computer, run:
# aptitude install $(cat /root/packages-noA)
The files are text which can be edited in vim or emacs to remove cruft
that is actually on the source computer but that you really don't to
be automatically propagated to all your computers.
The order in which packages are actually install is, I think, not
alphabetical. Aptitude has some internal logic that installs in an
order that is defined by the dependency tree.
On a related topic:
Numbering of groups depends on the order in which the named groups
were created during installation of the packages. You only have one
user so that one user will always have a uid==1000 on Debian. All real
users in Debian also have their own group, so your gid will be
gid==1000. If you list the file /etc/group, you will find gid == 1000
towards the end of the list, but not at the end because /etc/group
grows during install by adding new group name/gid as they are needed.
You say the hardware of your several computers in not identical. There
will likely be differences in the dependency tree in different
architectures, so there will be problems over time keeping the
name/number pairs the same in different architectures and different
releases. I sure the problem is solvable but the effort may be beyond
what you want expend on going your own way. It does sound like an
interesting way to become very familiar with the insides of Debian,
and a rich source of knit-picking bug reports on the documentation ;-)
Good Luck,
Paul
You can have in one command what you do :
And more, with the installed version, to be sure to install the same
version, even if there were updates since :
# aptitude -F "%p=%V" --disable-columns search '~i!M'
For the ordering problem. I dont think the solver is silly enought to
install in a different order the same set of packages, asuming the
starting state is the same of course.
Anyway, you can change the uid/gid afeterward if they are different !
And change the rights with a command like :
# find / -uid 120 -exec chown 110 {} \;
# find / -gid 120 -exec chgrp 110 {} \;
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