[X2go-User] Instructions for manual install from source tarballs on a less well-known distribution

[Mike Gabriel]

Hi Ivan,

On Mi 03 Aug 2011 14:16:01 CEST Ivan Kabaivanov wrote:

> I would like to switch from freenx to x2go, but I don't use a well known
> distribution.  I have LFS, Linux From Scratch -- a source based distribution.
>
> I'm following the instructions from
> http://wiki.x2go.org/installing_x2goserver_tarball and INSTALL from the
> x2goserver tarball.  but I fail to get it to work.
>
> Firstly, the server dependencies are listed as:
>
> perl-suid
> lsof
> openssh-client
> openssh-server
> libconfig-simple-perl
> makepasswd
> libdbd-pg-perl
> libdbd-sqlite3-perl
> xauth
>
> I've installed everything except for perl-suid as this is no longer part of
> recent perl versions.  Not sure how critical this is.

This was critical and that's why we have very recently remove the  
perl-suid dependency from upstream code.

Please use a very recent X2go server version from our Git repos:

http://code.x2go.org/gitweb?p=x2goserver.git;a=snapshot;sf=tgz

> Then, I follow the installation details from x2goserver's INSTALL:

GREAT

> ========== BEGIN QUOTE ============
> TARBALL INSTALLATION OF x2goserver
> ==================================
>
> [...]
>
> ============= END QUOTE ================

> Here, there's some debianism, these two commands, addgroup and adduser, must
> be some debian specific wrappers for groupadd and useradd.  Can you please
> give me the regular groupadd and useradd command equivalents?

Yes, thank you for bringing this up. I have fixed this in the latest  
INSTALL howto:

http://code.x2go.org/gitweb?p=x2goserver.git;a=commitdiff;h=4845ffbb364a0f1f04f4a5337c5b977c450f38c6

Furthermore, I have updated the lower section of the howto, as well.  
Whatever additional stuff who find and consider helpful, please post  
it to this list.

> Also, in some documentation files, I've see mention of a group x2gousers,
> while here the group name is x2gouser.  Which one is it?

This has changed very recently (together with the perl-suid dependency  
removal). It is now x2gouser. The x2gousers group was necessary in  
earlier releases and is now optional when using the PostgreSQL db  
backend (or can/should be dropped with SQLite db backend).

> Then there's the confusion of which packages I really need.  So far I'm
> compiling the below packages in the following order:
>
> nxcomp -> server+client
> nxproxy -> client
> nxcompshad -> server
> nxcompext -> server
> x2goserver -> server
> x2goclient -> client

MISSING::: x2goagent ->server

> I use git for pulling the source by the way.

Ah, great!

> Then I do
>  $ chown root:x2gouser /usr/lib/x2go/x2gosqlitewrapper
>  $ chmod 2755 /usr/bin/x2gosqlitewrapper

This must have been an error in the old INSTALL howto. Please check  
the new version.

> Then I run as roon x2godbadmin --createdb (I use sqlite) and finally
>
> x2gocleansessions

Ok...

> Then from another computer I fire up the x2goclient, create a connection and
> try to initiate it.  This is what I get in the console:
>
> [...]

Again: your server seems to be missing the x2goagent binary (which is  
the actual session's Xserver that application within the session can  
connect to).

> In the debian installtion, I see you use sudo but in the INSTALL file this
> step is missing.

Sounds like your Debian installation does not use the same packages as  
in X2go Git.

Use this DebURL:
deb http://packages.x2go.org/debian squeeze heuler

> I've install sshfs anf fuse and I believe all the other dependencies.

Fuse: you have to add users that shall be able to use X2go local  
folder sharing to the fuse group of your system (manually). I have  
also updated that in the INSTALL howto.

> My questions are:
>
> 1) Any way to enable debugging on the server side

Yes, but only planned for x2goserver > 4.x. As the server-side is a  
bunch of scripts you can modify them yourself (e.g. with the logger  
command).

> 2) Any way to enable debugging on the client side

Not so with x2goclient, but the pyhoca-gui (alternative client for  
X2go) can do a lot of debugging.

   pyhoca-gui --debug --libdebug

> 3) Do I need to install and use x2goagent

YES!

> Any help/hints/useful links you offer will be greatly appreciated.   
> When I get
> everything working, I will contribute a nice write-up for use on the wiki.

VERY NICE!

> Modesty aside, I believe I write pretty clear and good documentation.  As I'm
> working on my own LFS-based distribution, I will be following the  
> new releases
> of x2go and will be updating the instructions too.

WOW!!!

> Thanks,
> IvanK.

Cheers,
Mike



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