IRC chat logs for #ltsp on irc.freenode.net (webchat)


Channel log from 4 July 2017   (all times are UTC)

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09:07
<alkisg>
julienfayad: what's the output of `sudo ltsp-info`? And, maybe you had some manual patches applied, and the update reverted them to their old, upstream versions?
09:07
<julienfayad>
hey Alkisg
09:07
<alkisg>
Hi there :)
09:07
<julienfayad>
ltsp-info to execut on the client or the server ?
09:07
<alkisg>
Server
09:08
<julienfayad>
here is the output
09:08
https://pastebin.com/HHu7zPY5
09:09
yes I had the X01-localapps patch applied (but it seems not all of it was applied)
09:09
I checked it again and saw that these files were untouched by the update
09:10
I’m experiencing very weird behaviors
09:10
login is not working all the time
09:10
<alkisg>
I can't see how and update wouldn't overwrite X01-localapps
09:10
*an
09:11
<julienfayad>
the fix this patch was applying (https://bugs.launchpad.net/ltsp/+bug/1610304) is not working anymore (user gid reverted to 1000)
09:11
and the NFS mounts are all failing from the client (still working from the server though)
09:11
<alkisg>
That patch was never applied because of the reason I state in comment #4 there
09:11
So, you would need to re-apply it manually after every update
09:12
<julienfayad>
yes I know, but in /usr/share/ldm/rc.d/X01-localapps the file I have contains the patch
09:12
so the update didn’t override it
09:12
<alkisg>
That's extremely weird
09:12
$ dpkg -S /usr/share/ldm/rc.d/X01-localapps
09:12
ltsp-client-core: /usr/share/ldm/rc.d/X01-localapps
09:13
dpkg -l ltsp-client-core ==> 5.5.9+t201706270552~ubuntu16.04.1
09:13
So, it should have been overwritten by the update of 27-06-2017
09:13
If it did not, there's something very broken in your system
09:14
<julienfayad>
alkisg can you please repost the commands to execute, I’ve pressed the clear button by mistake :-S
09:15
<alkisg>
Nothing to execute; I executed them locally here and proved that this file should have been overwritten a week ago
09:15
I was just explaining why what you're reporting means your system is broken, or you're misreporting something
09:15
<julienfayad>
ohh you mean the file should have been overwritten ?
09:15
<alkisg>
Yes
09:15
Did you use chattr or anything to prevent overwrites?
09:16
Are you checking on the client without having ran ltsp-update-image?
09:17
<julienfayad>
no chattr
09:17
always updating the image after the server receives an update
09:17
<alkisg>
And rebooted clients I presume?
09:17
<julienfayad>
sure
09:18
<alkisg>
Then yes, something is broken, if apt didn't overwrite that file with the newer upstream version, i.e.without that patch
09:18
$ ls -lha /usr/share/ldm/rc.d/X01-localapps
09:18
-rw-r--r-- 1 root root 5,6K Ιούν 27 08:54 /usr/share/ldm/rc.d/X01-localapps
09:18
What's your date there?
09:18
Does it not say june 27th?
09:19
<julienfayad>
well now that won’t be relevant since I’ve manually edited it when I wanted to double check its content
09:19
so it’s saying Jul 4
09:21
<alkisg>
OK; you could run apt install --reinstall ltsp-client-core to re-overwrite it
09:21
Anyways, if you indeed saw that problem, that might mean that you have additional problems in your setup
09:21
(not related to ltsp, but to package management etc)
09:27
<julienfayad>
hmmm I’m wondering what it could be given that this machine is dedicated to ltsp and I don’t “play with it” so it’s quite untouched when it comes to other stuff
09:27
I’ll give the reinstall a try
09:30
<alkisg>
Maybe you had other files patched, that you forgot to update
09:32
<julienfayad>
I added two other files X03 but I could find them there
09:32
these were files I added not patched
09:32
<alkisg>
Updates don't delete files that they don't know
09:32
They only overwrite files that they know
09:34
<julienfayad>
ok, reinstalling now, no errors showed on screen
09:34
<alkisg>
And is the date now 27th of June?
09:35
ls -lha /usr/share/ldm/rc.d/X01-localapps
09:35
<julienfayad>
yes it is
09:36
<alkisg>
So it looks normal now; why didn't it get overwritten previously?
09:37
<julienfayad>
it seems the patch was partially applied in this update
09:38
https://launchpadlibrarian.net/277285066/X01-localapps.patch
09:38
the first trunk of changes wasn’t but the second one was…
09:38
are you sure this patch wasn’t partially applied to the update ?
09:41
<alkisg>
This is the latest upstream version of this file: https://git.launchpad.net/ltsp/tree/client/localapps/ldm-rc.d/X01-localapps
09:42
That line isn't there: "+# If the user exists on the client (e.g. LDAP), don't update passwd/group"
09:42
<julienfayad>
Indeed but check line 52
09:43
+ s:$groupadd_name:$gr_name:"
09:43
that part is there
09:44
the block of code around that is similar to the one in the patch
09:45
so I guess the file was correclty overriden by the first update
09:45
but I got confused and though the patch wasn’t totally applied to my setup at the beginning
09:49
I’m wondering if this bug of erroneous group id could have a domino effect on the kerberized NFS mount...
09:55
I’m rebuilding the image after the reinstall to see if that at least fixes the no login ability issue...
09:55
because now whoever reboots his station can’t login anymore
10:17
alkisg anything showed from your side ?
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10:19
<alkisg>
julienfayad: sorry, work called and I wasn't paying attention
10:19
The block that you see were there from years ago
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10:19
<alkisg>
It's the identation that was changed for the patch
10:19
Yes that could cause various login and kerberos issues
10:19
So I think you just needed to properly re-apply all your local patches
10:19
Gotta go for now, later...
10:19* alkisg waves
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10:22
<julienfayad>
ok thanks!
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