On Sun, 2013-05-19 at 17:51 +0200, Ralf Mardorf wrote: > On Sun, 2013-05-19 at 18:11 +0300, Πρεκατές Αλέξανδρος wrote: > > In release notes it says: > > > > "You should not upgrade using telnet, rlogin, rsh, or from an X session > > managed by xdm, gdm or kdm etc. on the machine you are upgrading. That is > > because each of those services may well be terminated during the upgrade, > > which can result in an inaccessible system that is only half-upgraded. Use > > of > > the GNOME application update-manager is strongly discouraged for upgrades > > to > > new releases, as this tool relies on the desktop session remaining active. > > "| > > > > So i wonder why can ubuntu dist upgrade dist from within an X session? > > I don't know what's different, but in general you for example can't > backup a complete Linux, while it's running, a way to do it anyway, is > to make a snapshot first and to backup the snapshot, independent from > the system. In general you need to reboot to switch to a new kernel, but > there's a tool that enables to switch the kernel without the need to > restart the computer. IOW, they perhaps have programmed something to > enable this and FWIW, it might be related or not, they don't use Oops, Ubuntu does use upstart ;), a typo. > upstart, so a basic component for the startup process already is > completely different to Debian. Perhaps files for services such as > display managers will be stored temporary and copied to the correct > location during a startup and again, upstart is a completely newer > process for startup than Debian's init. How many distros nowadays stay > with this kind of init? I suspect nearly every distro does use upstart > or systemd. You can't compare something old-fashioned like Debian, with > distros that are more modern, closer to upstream. OTOH something e.g. > running in the RAM can be updated and there e.g. is no need to stop X to > update a display manager for a regular backup. What's the source of your > quotation? > > Regards, > Ralf
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