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[128.120.136.85]) by smtp.gmail.com with ESMTPSA id y62sm8138855pfk.52.2017.01.10.14.44.33 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 10 Jan 2017 14:44:33 -0800 (PST) From: Ted Toal Message-Id: <445DE45A-EA31-432E-BFB6-69AD1E7CF78B@ucdavis.edu> Content-Type: multipart/alternative; boundary="Apple-Mail=_3C041D83-F9B7-4E78-A3B7-7895E0BC8216" Mime-Version: 1.0 (Mac OS X Mail 10.2 \(3259\)) Subject: Re: [X2Go-Dev] Bug#1134: Bug#1134: Bug#1134: No environment variable available for testing in .bash_profile or .bashrc Date: Tue, 10 Jan 2017 14:44:32 -0800 In-Reply-To: <047392b2-73a1-b2c6-9ad5-512b1cc06696@baur-itcs.de> Cc: Rick Benkstein To: Stefan Baur , 1134@bugs.x2go.org References: <9E59DC33-FF80-4D84-BA9F-96BCFDA8B8CE@ucdavis.edu> <1fe5ef7f8e274faf9c51e7e06369ea01@CDS-EXCHG2.cds.local> <047392b2-73a1-b2c6-9ad5-512b1cc06696@baur-itcs.de> X-Mailer: Apple Mail (2.3259) --Apple-Mail=_3C041D83-F9B7-4E78-A3B7-7895E0BC8216 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 I=E2=80=99m running in windowed mode (XFCE) through x2go and XQuartz. = The DISPLAY environment variable is not set.=20 =E2=80=94 Ted Toal, Postdoctoral Researcher Carvajal-Carmona Lab 4502 GBSF, One Shields Ave Davis, CA 956626 (530) 263-5986 twtoal@ucdavis.edu > On Jan 10, 2017, at 2:28 PM, Stefan Baur = wrote: >=20 > Am 10.01.2017 um 23:12 schrieb Rick Benkstein: >=20 >> I have made my software switchable between GUI non-GUI by examining = the DISPLAY variable - if it is NULL then x2go is not being used. >=20 > Unless, of course, you are occasionally using a local X session, or > regular X forwarding, where this approach will bite you in the > posterior, falsely assuming that you're running an X2Go session when > it's regular X. >=20 > The deeper-rooted issue here is that X2Go-specific variables are only > set when a session is run in fullscreen or windowed mode, displaying = an > entire desktop. >=20 > For single/published applications, no such X2Go-specific variable is = set. >=20 > However, you can check if: >=20 > the command x2golistsessions is executable (=3Dwe're on an X2GoServer = - > important in case of NFS-mounted home directories) >=20 > AND the DISPLAY variable is set >=20 > AND client DISPLAY and SSH client IP match an X2Go session marked as = "R" > for running. >=20 > See , > section "# Part that runs in X2Go session", for an example where you > could lift the required code. >=20 > What you don't need is the part that checks for a file named > "~/.x2go/agent", so just remove that part. >=20 > Kind Regards, > Stefan >=20 > --=20 > BAUR-ITCS UG (haftungsbeschr=C3=A4nkt) > Gesch=C3=A4ftsf=C3=BChrer: Stefan Baur > Eichen=C3=A4ckerweg 10, 89081 Ulm | Registergericht Ulm, HRB 724364 > Fon/Fax 0731 40 34 66-36/-35 | USt-IdNr.: DE268653243 >=20 > _______________________________________________ > x2go-dev mailing list > x2go-dev@lists.x2go.org > http://lists.x2go.org/listinfo/x2go-dev --Apple-Mail=_3C041D83-F9B7-4E78-A3B7-7895E0BC8216 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 I=E2=80=99m running in windowed mode (XFCE) through x2go and = XQuartz.  The DISPLAY environment variable is not set. 

=E2=80=94
Ted Toal, = Postdoctoral Researcher
Carvajal-Carmona = Lab
4502 GBSF, One Shields Ave
Davis, CA  956626  (530) 263-5986
twtoal@ucdavis.edu




On Jan 10, 2017, at 2:28 PM, Stefan Baur <X2Go-ML-1@baur-itcs.de> wrote:

Am = 10.01.2017 um 23:12 schrieb Rick Benkstein:

I have made my software = switchable between GUI non-GUI by examining the DISPLAY variable - if it = is NULL then x2go is not being used.

Unless, of course, you are occasionally using a local X = session, or
regular X forwarding, where this approach will = bite you in the
posterior, falsely assuming that you're = running an X2Go session when
it's regular X.

The deeper-rooted issue here is that = X2Go-specific variables are only
set when a session is run = in fullscreen or windowed mode, displaying an
entire = desktop.

For single/published applications, = no such X2Go-specific variable is set.

However, you can check if:

the = command x2golistsessions is executable (=3Dwe're on an X2GoServer -
important in case of NFS-mounted home directories)

AND the DISPLAY variable is set

AND client DISPLAY and SSH client IP match an = X2Go session marked as "R"
for running.

See <http://wiki.x2go.org/doku.php/doc:howto:ssh-agent-workaround>,
section "# Part that runs in X2Go session", for an = example where you
could lift the required code.

What you don't need is the part that checks = for a file named
"~/.x2go/agent", so just remove that = part.

Kind Regards,
Stefan

--
BAUR-ITCS UG = (haftungsbeschr=C3=A4nkt)
Gesch=C3=A4ftsf=C3=BChrer: = Stefan Baur
Eichen=C3=A4ckerweg 10, 89081 Ulm | = Registergericht Ulm, HRB 724364
Fon/Fax 0731 40 34 = 66-36/-35 | USt-IdNr.: DE268653243

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