Re: Live Upgrade for Linux
From: Kurt Seifried (firstname.lastname@example.org)
From: "Kurt Seifried" <email@example.com> To: <firstname.lastname@example.org> Date: Wed, 26 Mar 2003 16:38:49 -0800
Bad news: No, this type of thing does not exist as a nice package.
Good news: rolling your own isn't to hard.
You can use user mode Linux (UML) to test a system configuration/etc (of
course you can't fully test hardware issues, but it will let you test the
You could use vmware to test a system configuration/etc (of course you can't
fully test hardware issues, but it will let you test the software/etc).
You can setup extra partitions, i.e. /var2, /usr2, /etc2, whatever and
populate them, many RPM's are relocatable, although not all are. One way to
get around this would be to chroot into the alternate "/" and then install
/etc, reconfigure your lilo.conf/grub.conf, and if it goes boom reboot to
the original system. i.e. copy all the rpm's into a dir then do a
rpm -Uvh --force --nodep *.rpm, make sure /dev/ is created, copy in /etc,
and so on.
You could use a tool such as alien to rip the rpm apart and turn it into a
tarball, thus allowing you to forcibly relocate files if the rpm doesn't
Hope this helps.