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