![]() Next edit the service unit file for each client. So in our case, joevnc's VNC service will run on port 5904 (5900 + 4) and janevnc's will run on 5905 (5900 + 5). The addition of a number in the file name tells VNC to run that service as a sub-port of 5900. Since each user will run their own VNC server, each user will have to connect via a separate port. In the code snippet below, you're making two copies with two different names: cp why did we add two numbers (along with the colon) in the copied file names?Īgain, that comes back to the concept of individual VNC services. To do this, we will need to make two copies of the generic VNC service unit file under /etc/system/system. So, the first step is to start two new instances of VNC server for our two users. Thos one doesn't exist: ls: cannot access /etc/systemd/system/ *.wants/vnc *: No such file or directory 1 root root 1744 Jun 10 16:15 check under /etc/systemd/system/: ls -l /etc/systemd/system/ *.wants/vnc * To test this, run the following commands: ls -l /lib/systemd/system/vnc * In our case, a generic service unit file was created in the /lib/systemd/system/ directory, but no link was made under /etc/systemd/system/. Processes that get started automatically at boot time have a link to this service unit file placed in the /etc/systemd/system/ directory. Each service that natively runs under systemd has a service unit file that's placed under the /lib/systemd/system directory by the yum installer. ![]() Each user connecting via VNC will have to start a new instance of the daemon (or the system administrator can automate this).ĬentOS 7 uses the systemd daemon to initiate other services. In other words, VNC doesn't run as one single process that serves every user request. So why is it disabled? That's because each user will start a separate instance of the VNC service daemon. You can also run this command: systemctl is-enabled should show output like this: disabled To check this, run the following command: systemctl status output will be like - Remote desktop service (VNC ) VNC server doesn't start automatically when it's first installed. Open another terminal connection to the CentOS 7 server, and this time log in as joevnc. These are not the users' Linux passwords, but the passwords to log in to the VNC sessions. In this step, the users will need to set their VNC passwords. Next, create an account for janevnc: useradd -c "User Jane Configured for VNC Access" janevnc Passwd: all authentication tokens updated successfully. Once supplied, the account will be ready for login: Changing password for user joevnc. Then run the passwd command to change joevnc's password: passwd joevnc Run the following command to add a user account for joevnc: useradd -c "User Joe Configured for VNC Access" joevnc These accounts will remotely connect to our CentOS 7 server from VNC clients. In this case you maybe don't want to open your firewall as well, you can use a SSH-tunnel to access the VNC-Server ssh -L 6000:localhost:5901 -N VNC Service for multiple Clients ¶ create multiple test user ¶įirst, we will create two user accounts. If you run the VNC-Service only as long as necessary noone can tamper around with it. To start and stop the VNC-Server you can do: These are not the users' Linux passwords, but the users' password to log in to the VNC sessions. You most likely used to access a server occasionally.įirst we need to set the VNC password. This information is taken from ] yum groupinstall "GNOME Desktop"
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