[Bug 1234] Can't read data-cd on "lowfat-client"
------- Additional Comments From firstname.lastname@example.org 2007-08-11 17:45 -------
Part of the problem with /etc/mtab is that mount is hardcoded to use that location,
and there is no way to configure it to use a different location without recompiling it.
It can on the other hand handle it if it is a symlink to /proc/mounts, and in this
case it leave it alone. It does not handle it being a symlink anywhere else, for
example to a directory where it can read and write, because it still tries to create
/etc/mtab~ as a lockfile, and the lock file can not be a symlink elsewhere.
So the problem seem to only be solvable by making /etc/ itself writable. This will
eat quite a lot of memory from the client, as all the files below /etc/ will be moved
into ramfs. It should be possible to make /etc/ such writable are by listing it
in the copy_dirs variable in /etc/default/ltsp-client-setup. I have not tested this
myself, though. I expect this to use ~20 MiB of RAM.
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