Just a quick update regarding the file permissions issue I encountered
in /var/lib/tftpboot/ltsp/amd64/ -- I tracked the issue down to a
modified umask setting in /etc/login.defs. The umask settings were
changed to 027 so that the default file permissions prevent users from
being able to read files in other peoples home folders. Unfortunately
this had the undesired side-effect that the default file permissions of
the image files created by ltsp-update-image were no longer readable
either...
The file permissions of the vmlinuz boot image file should always be
world-readable regardless of any changes in login.defs, no? It seems
this problem could be averted in the future by simply adding a line to
the generate_image function in ltsp-update-image script to chmod o+r the
image file... Is this a change that might be useful to submit?
thanks,
Derek
On 14-05-05 02:13 PM, Derek Schuurman wrote:
Hi,
We've been successfully running LTSP with Ubuntu 12.04 for several
years. Recently we updated our server to Ubuntu Server 14.04 (by
performing an upgrade from the command line). After the server upgrade
was complete, I removed and purged the LTSP package (ltsp-server) and
reinstalled to get a "fresh" install.
I then built a new client using ltsp-build-client and rebooted the
server. Upon booting a thin client, I got the following error:
could not find kernel image: vmlinuz
I tracked down what appears to be a permissions problem in
/var/lib/tftpboot/ltsp/amd64/... The vmlinuz-3.13.0-24-generic file is
owned by root and had file permissions set to 640. There appeared to be
permission problems for System.map-3.13.0-24-generic and the
pxelinux.cfg/litsp* files as well. I used chmod to set the permissions
to 644 and the thin clients were able to proceed with booting (now I've
tinkering with some other display issues).
It also seems that everytime I run ltsp-update-image I have to fix the
permissions again...
Has anyone else experienced this? Any sage advice?
thanks,
Derek
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