LINUX: How To Enable GUI / BUI Access For Oracle Linux 8
Follow below steps.
1) On the Linux 8 host on which you want GUI access, install tigervnc server package.
# dnf -y install tigervnc-server
2) On the Linux 8 host edit /etc/tigervnc/vncserver.users file and uncomment or add line ":1=root' to enable root access
Below is snippet of file for reference.
# TigerVNC User assignment
#
# This file assigns users to specific VNC display numbers.
# The syntax is <display>=<username>. E.g.:
#
# :2=andrew
# :3=lisa
:1=root
3) On the Linux 8 host set vncpassword using below command.
# vncpasswd
You will be prompted for password and confirm password. You can optionally set viewonly vnc password if needed.
# vncpasswd
Password:
Verify:
Would you like to enter a view-only password (y/n)? n
A view-only password is not used
4) On the Linux 8 host set VNC environment for remote GUI access.
For this run below commands.
cd ~
echo session=gnome >> .vnc/config
5) On the Linux 8 host, Start and enable VNC service.
For this run below commands.
# sudo systemctl start vncserver@:1
# sudo systemctl enable vncserver@:1
6) From the client local machine from which you want to connect to OL8 GUI console, follow below steps.
6(a) SSH to OL8 host using below command.
ssh root@<ol8-host> -L 5901:localhost:5901
Replace <ol8-host> with OL8 host and when prompted for <ol8-host> host password, enter the vncpassword you set on above step (3).
You will be logged into <ol8-host>
6(b) From the client local machine, launch the VNC viewer client, enter run below command.
localhost:1
You will be prompted for vncviewer password for ol8 host. Enter the password and you will be logged into GUI of OL8 host.
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