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Date : 2017/11/17 10:12
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IP-Address : 134.3.37.90
Hostname : HSI-KBW-134-3-37-90.hsi14.kabel-badenwuerttemberg.de
Old Revision: https://wiki.x2go.org/doku.php/doc:howto:tce?rev=1510913482
New Revision: https://wiki.x2go.org/doku.php/doc:howto:tce
Edit Summary: [List of open ToDos/FIXMEs for this page] added idea how to
tackle superfloppy mounts
User : stefanbaur
@@ -1024,5 +1024,5 @@
cat /sys/devices/pci0000:00/0000:00:14.0/usb1/1-1/serial</code> allows to determine the
serial number of a USB device. Those SHOULD be unique, but sadly, they aren't (and sometimes,
they are missing entirely). Therefore, a USB serial number can't be used for authentication,
but it could be used for "weak" identification - so it could be used to set a default
user name or a default session, or to download a
particular sessions file.
FIXME Automount script currently only understands VFAT and NTFS (and possibly hfs and iso9660?) - mounting other file systems will fail due to the uid= and uni_xlate mount options being unknown. Should be extended to support more file systems. ext* is problematic as it doesn't allow you to force an owner/group at mount. fuse's fuseext2 module might, though. Needs to be investigated further. However, it looks like fuseext2 only understands rw+, or rw,force as options, and write support is experimental.
- FIXME Maybe we should add symlinks to the mount points created by the automounter: Currently, we create ''/media/vendor_model_name/sdxn'' as a mount point. The idea is to allow the user to find their portable device using the vendor/model name description. However, this is unusable for scripting, as the ''//x//'' in ''sdxn'' may change any time. We should replace ''//sdx//'' with ''//partition//'' (or have corresponding symlinks created), but what
should we do for //superfloppies// that only have ''sdx'' with no partition
number? Also, symlinks using labels and uuids, similar to ''/dev/by-*'' would
be handy for scripting. Another problem: when replacing ''sdx'', what will
happen when a user inserts two media with the same vendor/model name at the
same time? Blindly replacing the string would make one of them inaccessible due
to overwriting the symlink(s). We'd have to start checking active mounts and
enumerate them like ''media/vendor_model_name/1/partitionn/'' or
''media/vendor_model_name-1/partitionn/''.
+ FIXME Maybe we should add symlinks to the mount points created by the
automounter: Currently, we create ''/media/vendor_model_name/sdxn'' as a mount
point. The idea is to allow the user to find their portable device using the
vendor/model name description. However, this is unusable for scripting, as the
''//x//'' in ''sdxn'' may change any time. We should replace ''//sdx//'' with
''//partition//'' (or have corresponding
symlinks created), but what should we do for //superfloppies// that only have
''sdx'' with no partition number? We could mount them as
''/media/vendor_model_name/partition/'' or directly at
''/media/vendor_model_name/''. Also, symlinks using labels and uuids, similar
to ''/dev/by-*'' would be handy for scripting. Another problem: when replacing
''sdx'', what will happen when a user inserts two media with the same
vendor/model name at the same time? Blindly replacing the string would make one
of them inaccessible due to overwriting the symlink(s). We'd have to start
checking active mounts and enumerate them like
''media/vendor_model_name/1/partitionn/'' or
''media/vendor_model_name-1/partitionn/''.
--
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