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Ticket Resolution Summary Owner Reporter
#97 fixed Use unionfs instead of LVM snapshots geofft ghudson

Reported by ghudson, 14 years ago.


Right now we use LVM snapshots for copy-on-write functionality in two places: on the build server (linux-build-10) and for login chroots. This works pretty well, but it works at the storage layer, which is a somewhat heavyweight approach.

It is also possible to do this at the filesystem layer using unionfs. I do not know a lot about unionfs at this time, but tabbott reports that this approach performs better for large numbers of snapshots.

Unfortunately, schroot does not have support for unionfs at this time. There is a patch at:

tabbott has a port of it to schroot 1.2.1 if we want to pursue this.

#628 fixed Use the default Xsession for kiosk mode broder

Reported by broder, 12 years ago.


Currently, the kiosk mode starts with a custom xinitrc, which overrides /etc/X11/Xsession. This costs us some nice things, including potentially useful things like registering a ConsoleKit? session (/etc/X11/Xsession.d/90consolekit)

We can bend a normal Xsession to do what we want by suppressing the gnome-panel and nautilus from launching, which we can do by setting the gconf key /desktop/gnome/session/required_components_list = [windowmanager]

Most of the applications in /etc/xdg/autostart should be harmless, if they even start at all for an unprivileged account without a panel. For those that are problematic, we can suppress them by creating files in ~kiosk@mit/.local/share/autostart that override the files in /etc/xdg/autostart.

This should make it much easier to start up the kiosk session, and would give us cleaner integration with the rest of the system.

#1219 fixed Use sudoers.d, don't scribble over /etc/sudoers jdreed

Reported by jdreed, 10 years ago.


c-l-c, reactivate, kiosk, etc should use sudoers.d, not scribble over /etc/sudoers. I believe for a while sudoers.d was broken, but I'm fairly certain it works in Natty and Precise. If necessary, we could stop building cluster stuff for Lucid or something.

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