To successfully complete the steps from this manual, you must complete all the settings from the first part. Previously, we created the user username. Now we need to give him the ability to connect to the server via SSH, if he does not have it. To test this, try connecting to the remote server via SSH as username.
If this works, you can proceed to the next step. If not, you need to either enable password authorization on the server, or configure a SSH key for username. Replace username with your login that was created in the first part of the tutorial. As you can see, this is a usual ssh command. The -L and -N flags allow it to be used to create a tunnel. In Putty, the differences from regular SSH connection are also not very different.
Enter in the Source port and localhost in the Destination. In case a new Authentication message appears on your screen and your user has no root privileges, just hit Cancel button to continue to CentOS Desktop, as shown in the below screenshot. Be aware that the established VNC communication between the server and client and any data exchanged except the password run over an unencrypted channel.
Also, supply the password setup for the VNC user as illustrated in the following screenshots. To install Remmina Remote Desktop client in Debian based distros issue the following command. In case you need to run a new parallel VNC session under the same user, open a Terminal console, log in with the user you want to start the new VNC session and execute the below command.
When you first start the server you will be asked to supply a new password for this session. However, be aware that this session runs with your logged-in user permissions and independently from the started systemd VNC server session. To display the opened ports, execute ss command without root privileges as illustrated in the below excerpt. It will list only the started VNC sessions owed by your user.
In order to stop the VNC server instances started with this logged in user permissions, issue the following command without any root privileges. This command will destroy all started VNC instances owned only by the user who stated them. You can now access your CentOS 7 system and perform administrative tasks by using the graphical user interface provided by the operating system. TecMint is the fastest growing and most trusted community site for any kind of Linux Articles, Guides and Books on the web.
Millions of people visit TecMint! If you like what you are reading, please consider buying us a coffee or 2 as a token of appreciation. We are thankful for your never ending support. I execute the command sudo yum install tiger-vnc server , as listed at the top of this column, it goes out to a bad destination to find the file.
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