[X2Go-Dev] new version 4.1.1.0 from Mac still crashes to Fedora 26

[Mihai Moldovan]

No, don't worry, your message made it to the list yesterday, c.f.,
http://lists.x2go.org/pipermail/x2go-dev/2017-November/012235.html


On 11/05/2017 09:08 PM, Robert Kudyba wrote:
> Wow is there a lot of stuff in there. Is there a way to narrow this down? Here
> are some logs from the journal:

Yeah, x2gocleansessions spams a lot in debug mode, since it's periodically going
through all sessions (and calling other scripts, that output debugging messages
as well.)

The important stuff is here:

> Nov 05 15:00:39 ourschool.edu <http://ourschool.edu>
> /usr/bin/x2gostartagent[1221]: started nxagent: NX_TEMP=/tmp x2goagent
> X2GO_NXAGENT_OPTIONS (' -extension XFIXES -nolisten tcp') NOLISTOPT ('-nolisten
> tcp') X2GODPIOPTION_ ('-dpi 72') XDMCPPOPT ('') -SESSION_TYPE ('-D') NOEXITPARAM
> ('') -auth "XAUTHORITY" ('"/home/localguy/.Xauthority"') agent_geometry
> ('-geometry 800x600') -name "SESSION_WINDOW_TITLE"
> ('"X2GO-localguy-161-1509912037_stDXFCE_dp32"')  "NX_AGENT" ('":161"')
> 2>"SESSION_LOG"
> ('"/tmp/.x2go-localguy/C-localguy-161-1509912037_stDXFCE_dp32/session.log"') &

So, at least for the local user, it's really using the local Xauthority file,
which, as we've seen in earlier mails, is part of the /home partition that is
locally mounted via LVM. We probably can assume, that this file is accessible
all the time.

This can't be a firewall issue, since nxagent is trying to connect to its
internal display in this case, which uses the local transport protocol (on
Linux, that should always be a UNIX transport).

This, still, leaves only local authentication and I can't really figure out
what's wrong. The cookie should have been added correctly to the authorization
file and at least one of the entries we add should match.


Just to make sure, what are the values of:
  - echo "${HOSTNAME}"
  - hostname -s
  - hostname -f

on both the working server machine and failing workstation machine?



Mihai

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