On Tue, Sep 13, 2011 at 03:05:32PM +0200, Guido Winkelmann wrote: > Am Dienstag, 6. September 2011, 19:02:14 schrieb Alphonse Hansel Anthony: > > Hi, > > What is the difference between chroot & pivot_root. > > As far as I know, chroot changes only the effective root for one newly started > process and all the child processes it will start in the future, leaving all > other processes unaffected, while pivot_root changes the root for the entire > system, killing all other processes. In the context of LXC, the pivot_root is done after switching into a private filesystem namespace (CLONE_NEWNS), so only the process doing the pivot and its children are affected, not the system as a whole. Regards, Daniel -- |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :| |: http://libvirt.org -o- http://virt-manager.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :|
