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[Unix] X11 Forwarding

Olivier | Config, Tips | 6

On client machine, define Env. Property :
DISPLAY=:0

run Xming server (default config)

start Putty with X11 enabled and X11 server defined.

connect to remote server

run command

xhost +<server_IP_address>

or

/usr/openwin/bin/xhost +<server_IP_address>

test X11 server using command :

gedit &

In case of font issue, run this command before starting installer :

export AWT_TOOLKIT=XToolkit

For Linux, ensure X11 packages are all installed :
xorg-x11-xauth
or
xorg-x11*

Ensure also that SSH allow X11 forwarding :

grep X11 /etc/ssh/sshd_config

X11Forwarding yes
X11DisplayOffset 10
X11UseLocalhost yes

linux, solaris, unix

[Oracle] PL/SQL enable log [Unix] Detailled ‘ps’

Related Links :

6 thoughts on “[Unix] X11 Forwarding”

Olivier says:

06/06/2016 at 13:05

For Cent OS, install the following dependencies :
```
yum install xorg-x11-xauth xorg-x11-utils xorg-x11-fonts-*
```
Reply
OLIVIER COMBE says:

03/09/2021 at 11:10

Error: Can’t open display:

On some RHEL the AdressFamily is set to “any” instead of “inet” in the SSHD config :

File : /etc/ssh/sshd_config
Check :
```
AddressFamily inet
X11Forwarding yes
X11DisplayOffset 10
X11UseLocalhost no
```
Reply
- OLIVIER COMBE says:
  
  03/09/2021 at 11:12
  
  See https://superuser.com/a/1583912
  And https://bugzilla.redhat.com/show_bug.cgi?id=1027197
  
  Reply
OLIVIER COMBE says:

08/05/2023 at 18:25

Error: libgtk-3.so.0: cannot open shared object file: No such file or directory
```
yum install gtk3 -y
```
Reply
OLIVIER COMBE says:

05/06/2023 at 10:21

RHEL8 Error: libGL.so.1: cannot open shared object file: No such file or directory
```
yum install mesa-libGL
```
Reply
OLIVIER COMBE says:

05/01/2024 at 10:32

RHEL test:
```
yum install -y xterm

xterm
```
Reply

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