Re: System snapshots

2005-01-11 Thread Finn-Arne Johansen
On Mon, Jan 10, 2005 at 05:42:17PM +0200, Teemu Ikonen wrote: > Hi all, > Occasionally, upgrading a Debian unstable (or testing) system results in > breakage. Sometimes the bugs are not immediately detected, or they are not > easily located to a single package, especially if the upgrade in question

Re: System snapshots

2005-01-10 Thread Scott James Remnant
On Mon, 2005-01-10 at 18:40 +0100, Petter Reinholdtsen wrote: > [Otavio Salvador] > > No because some applications doesn't depends only of configuration > > files but data-files. When you purge then, all data files will be > > removed together (in major of times). Another problem is how you can >

Re: System snapshots

2005-01-10 Thread Petter Reinholdtsen
[Andrew Suffield] > Seems like a poor reimplementation of a backup system to me. It's > independently useful, and gains nothing from being embedded into the > package manager, so why stuff it into the package manager? I recommend reading the article, to gain some insight into the problem it is try

Re: System snapshots

2005-01-10 Thread Otavio Salvador
|| On Mon, 10 Jan 2005 18:08:02 + || Andrew Suffield <[EMAIL PROTECTED]> wrote: >> Such feature would be nice to have in Debian as well. If you have a >> very short upgrade window, where one will have to abort and roll back >> if the upgrade fail, it would be helpful if dpkg would allow you

Re: System snapshots

2005-01-10 Thread Otavio Salvador
|| On Mon, 10 Jan 2005 18:40:39 +0100 || Petter Reinholdtsen <[EMAIL PROTECTED]> wrote: pr> [Otavio Salvador] >> No because some applications doesn't depends only of configuration >> files but data-files. When you purge then, all data files will be >> removed together (in major of times). Another

Re: System snapshots

2005-01-10 Thread Andrew Suffield
On Mon, Jan 10, 2005 at 06:40:39PM +0100, Petter Reinholdtsen wrote: > [Otavio Salvador] > > No because some applications doesn't depends only of configuration > > files but data-files. When you purge then, all data files will be > > removed together (in major of times). Another problem is how you

Re: System snapshots

2005-01-10 Thread Petter Reinholdtsen
[Otavio Salvador] > No because some applications doesn't depends only of configuration > files but data-files. When you purge then, all data files will be > removed together (in major of times). Another problem is how you can > revert upgrade processes in database files and like? RPM have a featur

Re: System snapshots

2005-01-10 Thread Otavio Salvador
|| On Mon, 10 Jan 2005 18:44:14 +0200 || Teemu Ikonen <[EMAIL PROTECTED]> wrote: ti> On 10/01/05 14:32, Otavio Salvador wrote: >> || On Mon, 10 Jan 2005 17:42:17 +0200 >> || Teemu Ikonen <[EMAIL PROTECTED]> wrote: >> ti> I've been playing with putting the /etc directory plus a list of currently

Re: System snapshots

2005-01-10 Thread Andrew Suffield
On Mon, Jan 10, 2005 at 06:44:14PM +0200, Teemu Ikonen wrote: > Maybe (and probably) some packages modify their data (which is not part of > the package) so that downgrade is not possible, but I'd guess this kind of > packages are not that common. Anything that is linked to libdb is your biggest p

Re: System snapshots

2005-01-10 Thread Teemu Ikonen
On 10/01/05 14:32, Otavio Salvador wrote: > || On Mon, 10 Jan 2005 17:42:17 +0200 > || Teemu Ikonen <[EMAIL PROTECTED]> wrote: > > ti> I've been playing with putting the /etc directory plus a list of currently > ti> installed packages and their versions under version control. In principle, > ti>

Re: System snapshots

2005-01-10 Thread Petter Reinholdtsen
[Teemu Ikonen] > Thus it would be useful to know what has changed in a past upgrade, > or when a certain package was last upgraded. Unfortunately, apt and > dpkg do not have built-in logging (see #134694). I tell apt-listchanges to email me a list of changes on every upgrade, and can thus use the

Re: System snapshots

2005-01-10 Thread Otavio Salvador
|| On Mon, 10 Jan 2005 17:42:17 +0200 || Teemu Ikonen <[EMAIL PROTECTED]> wrote: ti> I've been playing with putting the /etc directory plus a list of currently ti> installed packages and their versions under version control. In principle, ti> a "rollback" to any previous system state would be pos

System snapshots

2005-01-10 Thread Teemu Ikonen
Hi all, Occasionally, upgrading a Debian unstable (or testing) system results in breakage. Sometimes the bugs are not immediately detected, or they are not easily located to a single package, especially if the upgrade in question contained many libraries or other shared code. Thus it would be usef