IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 15 December 2013 (all times are UTC)
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| 02:19 | * alkisg wonders if we should be using the sshfs -o reconnect option by default | |
| 02:21 | <vagrantc> ooh.
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| 02:22 | i didn't know about that option
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| 02:22 | though, if the connection was lost enough to break sshfs, chances are the master socket wouldn't auto-reconnect either
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| 02:22 | unless you were using keys
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| 02:31 | <alkisg> Seems like it... I tried `kill -STOP sshd` and after 30" I continued it, and both ssh and sshfs continued to work...
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| 02:38 | <vagrantc> wonder if unplugging the network for say 60 seconds would hold up?
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| 02:47 | <alkisg> I think unplugging would result in broken pipe immediately in ssh... maybe only nfs would hold up
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| 02:51 | * alkisg changes topic... in ldm/ssh.c, if we change the `ssh... echo LTSPROCKS; exec /bin/sh -` command to some local `ltsp-ssh-connect <params>` script, | |
| 02:52 | <alkisg> we can then run the same command from the script, but also with a `| while read from some fd; do execute command` loop so that ltsp-localappsd works without X and only needs the memory of a subshell
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| 02:52 | Should I implement that?
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| 02:59 | <vagrantc> sounds interesting
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| 02:59 | alkisg: you've had a lot of ideas lately
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| 02:59 | alkisg: wish you could've made it to the BTS :(
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| 03:00 | <alkisg> Yeah I want to dedicate a couple of weeks for ltsp+trusty and I'm looking for where to invest them...
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| 03:00 | Let's hope we'll all make it to the ltsp bts in greece next year :D
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| 03:12 | Proof of concept:
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| 03:12 | ssh -MS /tmp/S localhost sh -c "'"'rm /tmp/f; mkfifo /tmp/f; while read -r cmd </tmp/f; do echo "$cmd"; done'"'" | while read cmd; do echo "Executing: $cmd"; done
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| 03:12 | and then ltsp-localapps is: echo command > /tmp/f
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| 03:13 | * vagrantc wonders how to communicate what /tmp/f will be... | |
| 03:14 | <alkisg> with $LTSP_SESSION
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| 03:14 | We should have a dir in /run for each session, and put all of our files there
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| 03:14 | <vagrantc> user-writeable dir in /run?
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| 03:14 | <alkisg> Ah sorry then in /tmp
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| 03:14 | Or /run/tmp, whatever's preferred
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| 03:15 | <vagrantc> if you're using world-writeable dirs, using something like "mktemp" becomes important
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| 03:16 | <alkisg> export LTSP_SESSION=$(mktemp -d)...
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| 03:16 | <vagrantc> right
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| 03:16 | <alkisg> Then we can have an "env" file inside it with the client's IP, MAC etc,
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| 03:16 | the localapps/remoteapps files,
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| 03:16 | <vagrantc> that sounds doable.
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| 03:17 | <alkisg> the socket, etc etc
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| 03:17 | *the fifo
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| 03:18 | <vagrantc> and not bother to export the old variables?
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| 03:18 | <alkisg> We could do it for some time for compatibility, and deprecate them eventually
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| 03:19 | For example, the very first remote app would also put the DBUS_SESSION_BUS_ADDRESS in the env file too, so that the next ones would run in the same session
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| 03:19 | (not launching a different firefox for each remoteapp call...)
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| 03:23 | <vagrantc> right
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| 03:26 | <alkisg> remoteappsd without xprop is, as root, mkfifo /tmp/f; while read -r cmd</tmp/f; do ssh -S socket server "$cmd"; done
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| 03:26 | and remoteapps is echo command > /tmp/f
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| 03:27 | *and a chown user:user after the mkfifo
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| 03:35 | 'night all :)
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