X11 Forwarding will help you to run some GUI applications on a remote Sever. Like Firefox of Oracle installation of configuration and many other X11 apps. i will explain how to configure these settings from Windows Putty Client.
This Tutorials should work on all Centos/RHEL 7 and Fedora 28/29
Step 1: Install Required Packages
install all dependencies needed to run X11 applications
# yum install xorg-x11-server-Xorg xorg-x11-xauth xorg-x11-apps -y
Step 2: Enable X11 Fowarding Settings
This is an option to configure inside your SSHD Deamon settings.
# vim /etc/ssh/sshd_config
X11Forwarding yes
save and exit
Step 3: Restart SSH Service
The SSH service should be restarted to apply the change configuration.
For CentOS/RHEL 7/Fedora 28/29
# systemctl restart sshd
For CentOS/RHEL 6
# service sshd restart
A-Connect From Windows
Now lets try to connect via the most used ssh client PUTTY.
Enable X11 in Putty, before login.
Enable X11
Run below command to test the connection.
Please before to run any command ensure that X11 server is installed on ur windows Desktop for example Xming
xclock
OR
# xeyes
Issue
- How do we prevent the following error message when we run the command
xclock?
Warning: Missing charsets in String to FontSet conversion Warning: Unable to load any usable fontset
Resolution
Set the LC_ALL=C variable. As the user run:
export LC_ALL=C
To make this setting permanent for user, add it to the .bash_profile of user:
In /home/User/.bash_profile
LC_ALL=C export LC_ALL
B-Connect From another Linux
My example is from my Mint Linux . ( Ubuntu Based)
Before to start, please install X11 Server tools x11-xserver-utils and run the commands bellow
$apt-get install x11-xserver-utils $xhost $ssh -X osradar@remote-server
now you can run the applications
Please Enjoy and share !!
