Some modern versions of Unix have 32-bit (and probably 64 bit is coming
if not here already) UIDs in which case you'd have to have pretty big numbers
for them not the be confused.
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On Tue, 28 Apr 2015, Martyn Welch wrote:
Date: Tue, 28 Apr 2015 17:55:14 +0100
From: Martyn Welch <[email protected]>
To: [email protected]
Subject: Re: [X2Go-User] Connection failing on Ubuntu 12.04 after upgrade
On 28/04/15 13:40, Martyn Welch wrote:
Bit more debug. If I kill x2gostartagent before killing the client, I
get the following as an error message (it continues with the session
ID incrementing):
Connection failed argument "session_id" malformed at
/usr/lib/x2go/x2gosqlitewrapper.pl line 229. :
/usr/lib/x2go/x2gosqlitewrapper insertsession 50 RWVM-03C
113006950-50-1430224631_stDUNITY_dp24 at
/usr/lib/x2go/x2godbwrapper.pm line 320. argument "session_id"
malformed at /usr/lib/x2go/x2gosqlitewrapper.pl line 229. :
/usr/lib/x2go/x2gosqlitewrapper insertsession 51 RWVM-03C
113006950-51-1430224631_stDUNITY_dp24 at
/usr/lib/x2go/x2godbwrapper.pm line 320. argument "session_id"
malformed at /usr/lib/x2go/x2gosqlitewrapper.pl line 229. :
/usr/lib/x2go/x2gosqlitewrapper insertsession 52 RWVM-03C
113006950-52-1430224632_stDUNITY_dp24 at
/usr/lib/x2go/x2godbwrapper.pm line 320. argument "session_id"
malformed at /usr/lib/x2go/x2gosqlitewrapper.pl line 229. :
/usr/lib/x2go/x2gosqlitewrapper insertsession 53 RWVM-03C
113006950-53-1430224632_stDUNITY_dp24 at
/usr/lib/x2go/x2godbwrapper.pm line 320. argument "session_id"
malformed at /usr/lib/x2go/x2gosqlitewrapper.pl
Martyn
Which points to the problem:
The sanitizer() function in x2gosqlitewrapper.pl is strictly adhering to
the classic Unix rule that usernames shouldn't be numeric. Whilst this
is strictly true (because some utilities may mistake the username for a
UID), our environment means that this is unavoidable (we want to tie
into corporate wide auth and our usernames are purely numeric) and in
practice not an issue (our usernames may be numeric, but as they are
significantly longer than would reasonably be mistaken for a UID and I'd
guess that this really isn't a problem on anything other than ancient
versions of Unix).
For reference, changing line 67 from:
if ($string =~
/^([a-zA-Z\_][a-zA-Z0-9\_\-\.\@]{0,47}[\$]?)\-([\d]{2,4})\-([\d]{9,12})\_[a-zA-Z0-9\_\-\.]*\_dp[\d]{1,2}$/)
{
to:
On 28/04/15 13:27, Martyn Welch wrote:
On 28/04/15 11:21, Stefan Baur wrote:
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
Am 28.04.2015 um 11:40 schrieb Martyn Welch:
Apr 27 17:42:21 RWVM-05B /usr/bin/x2gostartagent:
x2gostartagent called with options: 800x600 adsl 16m-jpeg-9
unix-kde-depth_32 us auto 1 D UNITY
Oh, wait, here's the issue: You're trying to use UNITY.
http://wiki.x2go.org/doku.php/doc:de-compat
states:
UNITY
Ubuntu 12.04: Compatible, as long as package ?unity-2d? is
installed. By default with ?Ubuntu Desktop?, it is. Ubuntu 12.10
and later (including 14.04): Not compatible
Hi Stefan,
I was working before the x2go update, the machine has the unity-2d
package installed.
Without that I'd expect to get a blank desktop - it's not getting
that far, it's not even opening up the window the desktop is
usually displayed in.
Martyn
So you will have to switch to one of the Desktop Environments
listed as "Supported" on that page.
- -Stefan
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