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In this video, we'll show you how to start a screen sharing session to a remote computer you own or manage, using the device access capability built in to VN. What you probably want is “screen sharing” – e.g. SEE THE SAME SCREEN as if you were sitting at the monitor of the actual machine. Tightvnc client accessing screen shared by centos7 x11vnc – same desktop vnc also accessible from windows ssh tunneled via putty 0.65. In this video, we’ll show you how quick and easy it is to get your first screen sharing session up and running using RealVNC’s VNC Connect remote access soft. The VNC 4.1 is the free edition version (last version is 4.1.3). VNC (Virtual Network Computing) allows you to remotely control another computer using the RFB protocol (remote frame buffer). The setup file installs two components: VNC Viewer and VNC Server. The VNC Viewer is the program used to work like client, and VNC Server allows a Windows.
Brand new to CentOS, and I'm certainly no Linux sysadmin, but I'm trying to setup a 'remote connection' (LAN only) to a brand new CentOS 7 install (for completion, I will connecting from a windows box using VNC Viewer).There seems to be some major changes from CentOS 6 to CentOS 7 (my current installation, with GNOME), judging by most of the information I've found via googling-- including several changes on this very topic, hence this post to help clear up confusion. Even the information on the CentOS wiki seems not to match my experience with 7, so I can only assume it's out of date.
There is some form of screen sharing (as it is called...looking at the repos, it seems to be a minimal version of tigervnc --but I could be wrong on that!) built in to CentOS 7 (so it seems redundant, counter-productive & possibly a source of issues, to install a separate VNC/remote desktop server, as many guides suggest) :
The build in solution can be found by opening settings (click on the username in the top right to open a menu) --> Sharing (towards the bottom of that page) --> screen sharing
Mine is currently set to 'stupidly promiscuous mode' (no password, accept all connections) for testing, and will be changed once I make a connection.
Despite this service being enabled, VNC Viewer is not seeing anything (timing out)
I eventually stumbled onto a firewall, and changed those settings to allow VNC-Server through. (You'd think there'd be some mention of that when you enable the service). And that seems to have helped, as it changed the error from 'machine not found' to 'Unable to connect to VNC Server using your chosen security settings'. Except the default setting is 'Let VNC Server choose' and i've tried 'Prefer off' with the same success as well.
It's unclear to me why VNC Viewer cannot connect to my CentOS box...is there another service interfering...is there more I need to do with the firewall....is 'screen sharing' have some known issue I can't find.... Thanks to everyone who answers and I appreciate the help I advance.
Point of interests:
*Both machines are running on bare metal, I'm having enough problems without involving VMs (at the moment) thanks :p
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*I used the full CentOS installation with default (GNOME?) desktop. I can double check if it's that important.*Despite the prompts in CentOS, I CANNOT connect using my machine name as the VNC Viewer (in fairness, I can't connect at all) as I get a no server found error using the machine name, whereas IP seems to at least find the Machine/Service. Not sure why there is a discrepancy
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*I have two users on my CentOS box, one admin, one standard user. The Standard user logs-in by default but both accounts have passwords.