[X2Go-User] Cannot install X2goserver on Debian 8, stuck in dependency hell

[Matt Weatherford]

Nigra,

this sounds like a really, really messy apt dependency problem.  Im not 
sure that this question is in scope for the x2golist,
as many of us use x2go server on Debian 8 Jessie without any issues

Can you back up your server config files (/etc, /var) and do a fresh 
install of debian 8 ?
That is probably going to be the safest thing to do for the long run.

That said, if you really want to try to untangle this huge ball of 
twine, you could try "apt-get install aptitude" and then use
"aptitude install x2goserver" to see if aptitude will tell you more 
information about the problem and the dependencies.

you can also "apt-get install apt-show-versions"  a tool I find 
helpful...   then

apt-show-versions | grep x2go
apt-show-versions | grep nx

this might be interesting to look at & give you more info on where to 
start.

Matt





On 10/6/16 8:16 PM, Nigra Truo wrote:
> Hi,
>
>
> I just upgraded a server to Debian 8 and had X2goserver running on it 
> before, but purged all the config and everything, because some things 
> were not working properly, now I can't install it anymore, it refuses 
> with these errors:
>
> # apt-get install x2goserver
> Reading package lists... Done
> Building dependency tree... Done
> Some packages could not be installed. This may mean that you have
> requested an impossible situation or if you are using the unstable
> distribution that some required packages have not yet been created
> or been moved out of Incoming.
> The following information may help to resolve the situation:
>
> The following packages have unmet dependencies:
>  x2goserver : Depends: x2goagent (>= 2:3.5.0.25-0~) but it is not 
> going to be installed
> E: Unable to correct problems, you have held broken packages.
>
> -------------------------------------------------------
> Trying to install that, it unravels an endless tale of dependency hell:
> -------------------------------------------------------
>
>
> Unua:~# apt-get install x2goserver x2goagent
> Reading package lists... Done
> Building dependency tree... Done
> Some packages could not be installed. This may mean that you have
> requested an impossible situation or if you are using the unstable
> distribution that some required packages have not yet been created
> or been moved out of Incoming.
> The following information may help to resolve the situation:
>
> The following packages have unmet dependencies:
>  x2goagent : Depends: nxagent (>= 
> 2:3.5.0.32-0x2go1+git20160614.734+jessie.main.1)
>              Depends: nxagent (< 
> 2:3.5.0.32-0x2go1+git20160614.734+jessie.main.1.1)
> E: Unable to correct problems, you have held broken packages.
> Unua:~# apt-get install x2goserver x2goagent nxagent
> Reading package lists... Done
> Building dependency tree... Done
> Some packages could not be installed. This may mean that you have
> requested an impossible situation or if you are using the unstable
> distribution that some required packages have not yet been created
> or been moved out of Incoming.
> The following information may help to resolve the situation:
>
> The following packages have unmet dependencies:
>  nxagent : Depends: libnx-xdamage1 (< 
> 2:3.5.0.32-0x2go1+git20160614.734+jessie.main.1.1) but 
> 2:3.5.0.32-0x2go1+git20160614.734+wheezy.main.1 is to be installed
>            Depends: libnx-xrandr2 (< 
> 2:3.5.0.32-0x2go1+git20160614.734+jessie.main.1.1) but 
> 2:3.5.0.32-0x2go1+git20160614.734+wheezy.main.1 is to be installed
>            Depends: libnx-xtst6 (< 
> 2:3.5.0.32-0x2go1+git20160614.734+jessie.main.1.1) but 
> 2:3.5.0.32-0x2go1+git20160614.734+wheezy.main.1 is to be installed
> E: Unable to correct problems, you have held broken packages.
>
> --------------------------------------------------------------------
> Here is my sources.list file: I don't understand why this is not 
> working :-( Why is it still referring to wheezy? There is no mention 
> anymore in sources.list file
> -------------------------------------------------------
> #deb http://www.debian-multimedia.org/ squeeze main non-free
> deb http://www.deb-multimedia.org jessie main non-free
>
>
> #Jessie official
> deb http://httpredir.debian.org/debian jessie main contrib non-free
> deb-src http://httpredir.debian.org/debian jessie main contrib non-free
>
> deb http://httpredir.debian.org/debian jessie-updates main contrib 
> non-free
> deb-src http://httpredir.debian.org/debian jessie-updates main contrib 
> non-free
>
> deb http://security.debian.org/ jessie/updates main contrib non-free
> deb-src http://security.debian.org/ jessie/updates main contrib non-free
>
>
> # X2Go Repository (release builds)
> deb http://packages.x2go.org/debian jessie main
> # X2Go Repository (sources of release builds)
> deb-src http://packages.x2go.org/debian jessie main
>
>
>
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> x2go-user at lists.x2go.org
> http://lists.x2go.org/listinfo/x2go-user

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