Connection Problem

[cyber...@gmail.com]

Downloaded Mosh-Chrome from webstore and installed on Samsung Chromebook. Using ssh mode, entered user id and IP address and got the following:

...
Trying authentication type Password
Password:
Bad response when running mosh-server: invalid option -- 'l'
Usage: ....
MOSH CONNECT 60001 <snipped>

Tried this from two different networks, one heavily firewalled and another minimally so. Both these networks allow me to use mosh from Apple OSX. So I suspect that the problem might be elsewhere.

[Richard Perry Woodbury III]

Check what version of Mosh you have installed on the server. It may be quite old. It looks like the '-l' switch was added in this commit (2012-04-14) and is part of Mosh 1.2:

https://github.com/keithw/mosh/commit/8f60f7ab05f6dfa34da4b88b379a1ad43c5dd636

Richie

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[Jenó Doma]

Ubuntu LTS 12.04 only installs v1.1.3 - so I guess I'll need to install from sources.  Have downloaded the tarball, but can't find the instructions to install from source.  Any suggestions?

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[Richard Woodbury]

Ah, good point. I'm also running Ubuntu LTS, but I have the precise-backports repo installed, which makes available 1.2.4.

Maybe I should try without the '-l' option first, though, to be more compatible. I've opened an issue to look into that. In the interim, just install precise-backports and upgrade the mosh package.

Richie

[Richard Woodbury]

This is fixed in v0.1.2.19, which is rolling out now.

Thanks for the report!

Richie

[Jenó Doma]

Hi Richard,

Thanks for the tip.  For some reason an update from backports didn't work.  So I just download  mosh_1.2.4a-1~ubuntu12.04.1_i386.deb and installed it with dpkg.  It all works fine now. Much easier than trying to rebuild from the tarball.

Thank you for your assistance.

[Richard Perry Woodbury III]

It should no longer be necessary to update the package on the server. Feel free to revert the server package to the one in the regular repo and give it a go.

Richie

[Jenó Doma]

I was happy to leave that server with the update in place.

Tried the updated Mosh for ChromeOS connecting to a server that still had mosh server v1.1.3 on it and it works fine.

Thanks for your efforts.  You have spared me from having to do non-LTS updates on a bunch of other servers.