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Old 11-12-2013, 02:02 AM   #1
Darrell22
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Registered: Nov 2003
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Question Redhat 6.4: How to configure Remote Login to allow X Windows


Dear Experts,

With Redhat 5.5, I managed to configure the server to allow remote logins, and have the X Windows GUI with MobaXterm.
Using these instructions:
https://rodgersnotes.wordpress.com/2...to-redhat-5-5/

The Redhat 5.5 instructions utilized the utility: gdmsetup


From Redhat 5.5,

rpm -qa | grep -i 'gdm'
gdm-2.16.0-56.el5

which gdmsetup
/usr/sbin/gdmsetup

------------

However, with Redhat 6.4, there is no such utility.

which gdmsetup
/usr/bin/which: no gdmsetup in (/usr/lib64/qt-3.3/bin:/usr/kerberos/sbin:/usr/kerberos/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin)

find / -type f -iname "gdm*" 2> /dev/null

/usr/bin/gdmflexiserver
/usr/bin/gdm-screenshot
/usr/sbin/gdm-binary
/usr/sbin/gdm
/usr/lib64/python2.6/site-packages/orca/scripts/apps/gdmlogin.pyc
/usr/lib64/python2.6/site-packages/orca/scripts/apps/gdmlogin.pyo
/usr/lib64/python2.6/site-packages/orca/scripts/apps/gdmlogin.py
/etc/dbus-1/system.d/gdm.conf
/etc/pam.d/gdm-password
/etc/pam.d/gdm-autologin
/etc/pam.d/gdm-fingerprint
/etc/pam.d/gdm-smartcard
/etc/pam.d/gdm
/etc/gdm/gdm.schemas
/etc/gconf/schemas/gdm-simple-greeter.schemas


rpm -qa | grep -i "gdm" | sort

gdm-2.30.4-39.0.1.el6.x86_64
gdm-libs-2.30.4-39.0.1.el6.x86_64
gdm-plugin-fingerprint-2.30.4-39.0.1.el6.x86_64
gdm-plugin-smartcard-2.30.4-39.0.1.el6.x86_64
gdm-user-switch-applet-2.30.4-39.0.1.el6.x86_64
plymouth-gdm-hooks-0.8.3-27.0.1.el6.x86_64
pulseaudio-gdm-hooks-0.9.21-14.el6_3.x86_64



-----------


So far, I can only ssh login and get a character terminal.

In Redhat 6.4, what is the secret to get XWindows with Mobaxterm?

Thanks a lot!
 
Old 11-12-2013, 02:49 AM   #2
ericson007
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Registered: Sep 2004
Location: Japan
Distribution: CentOS 7.1
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If you are happy to use ssh for logins you can use it with the "-X" option. You will get a cli, but you can execute xwindows applications. Alternatively you can run something like tigervnc.

Gdm-setup is no longer packaged with gnome as i understand. So therefor no more utility.

You will have to find the booleans in the respective configuration files and toggle them from there

Last edited by ericson007; 11-12-2013 at 03:02 AM.
 
Old 11-12-2013, 02:53 AM   #3
dob12460
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Location: Brisbane, Australia
Distribution: RHEL, Fedora
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I don't know anything about Mobaxterm but I've been known to use ssh -X -Y remoteuser@remotehost

I believe there are security risks involved with enabling X11 fwding, so investigate what you're doing and where you're connecting before you use it.

cheers
 
Old 11-13-2013, 02:45 PM   #4
Darrell22
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Question

Thanks for responding.

From Mobaxterm, do you know then how I could:
ssh -X -Y remoteuser@remotehost

??

Thanks a lot!
 
Old 11-13-2013, 02:47 PM   #5
Darrell22
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Question

I did some more work on it.


From Mobaxterm on Windows, ssh to Redhat 6.5

root@192.168.2.201's password:
Last login: Mon Nov 11 21:01:30 2013 from 192.168.2.107


gedit &
[1] 2922
root@/home/notes/2013# Xlib: extension "RANDR" missing on display "localhost:10.0".


In my Windows laptop, the gedit program opens, that will save to the Redhat 6.4 server.



What I'd really like, is a session to the Redhat server, that
emulates the desktop when I log in directly on the server.

Any ideas on how to do that?

Thanks a lot!
 
Old 11-13-2013, 06:31 PM   #6
ericson007
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Registered: Sep 2004
Location: Japan
Distribution: CentOS 7.1
Posts: 656

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Yes, if you use something like tiger vnc you can get what you are after, but it does not emulate the desktop, it allows directly controlling it remotely.

I do use it for some function but not very often. Just make sure that if you do run it remotely you secure it with a vpn and strict firewall rules.

You really don't want it easily reachable from the public.
 
  


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