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    If you do not successfully connect to the host computer it may mean a mistake in typing the ''ip address.'' If the host's firewall is configured to block the needed port, then your connection will also be blocked. The port for the VNC protocol must be opened on the host computer. It may work out for the best if the technician does the initial setup of both computers, after which the host user just needs to click the appropriate sharing option when making the help call.
    If you do not successfully connect to the host computer it may mean a mistake in typing the ''ip address.'' If the host's firewall is configured to block the needed port, then your connection will also be blocked. The port for the VNC protocol must be opened on the host computer. It may work out for the best if the technician does the initial setup of both computers, after which the host user just needs to click the appropriate sharing option when making the help call.


    You can bookmark a connection on the '''Krdc''' "guest" to save time with repeat tech help calls. You'll need to enter the new password for each desktop sharing session.
    You can bookmark a connection on the '''Krdc''' "guest" to save time with repeat tech help calls. You'll need to enter the new password for each desktop sharing session. But for connections on your LAN or to a remote computer say at a university, your account and password probably won't be changing and you can leave it saved in Kwallet.


    [[Category:Internet]]
    [[Category:Internet]]

    Revision as of 17:00, 4 November 2017

    Krdc

    KRDC Desktop Sharing Client - Use this tool to connect your computer to a the desktop of another computer to provide assistance or do work remotely. The serving computer could use e.g. Krfb.

    Feature List

    • Connect to a remote computer (desktop view)
    • Uses common VNC protocol by default (VNC runs on Linux, Macintosh, Windows)
    • Can connect to Windows standard RDP protocol

    Information

    Screen Images are clickable, which displays the full-size image. You have to use the back-button of you browser to return.


    Krdc is one of a pair of KDE programs - Krfb is the other - that let you share your desktop through the local network with another user, probably somebody like the tech downstairs who you want to help you. Sharing your desktop can let her help you figure out something you are having trouble with. You can call the tech on the phone and be talking with her while she assists you. The tech can even "drive" your computer if you decide to let that happen.

    Krdc is a client program. It must be matched by a server or "host" program that is running on another computer. In this explanation, we will use the terms "guest" and "host":

    • guest for the machine and user that is remote who you want to invite
    • host for the machine and you as the one who is sharing your desktop

    You will also need to refer to the Krfb page to make complete sense of the Krfb/Krdc process.

    This explanation is, therefore, from the perspective of the technician who is going to work remotely as the "guest".

    Steps to Connect

    Connecting to remote computer

    The native protocol of the Krbf/Krdc connection is VNC.

    You will note that you, as a guest technician, can provide assistance to many different operating systems because the VNC protocol is widely used for desktop sharing. You are not limited to working with remote host KDE desktops.

    • Start Krdc (Kickoff button -> Applications -> Internet -> Krdc)
    • Type in the address of the host computer (VNC protocol) (Please use the address sent from the host. These are just examples.)
      • Krfb(KDE3)--192.168.1.102:0 (identify the screen number after the colon)
      • Krbf(KDE4)--192.168.1.102:5900 (identify the port after the colon)
      • Gnome (TigerVNC)--192.168.1.102 (the port number is assumed)
    • Type the password that the host requires
    • Adjust the screen to better fit (Session -> Scale remote screen...)
    • When your mouse is within the window limits from the host, you can control the remote computer if that ability was set at the host (recommended).
    • The guest screen (running Krdc) will show the pointer of the host if you select Session -> Show local cursor, otherwise, the only evidence of the position of the host mouse pointer (as shown on the guest screen) is the hover effects.
    • When your mouse is within the window limits of the host's desktop, you can control the host computer.

    If you do not successfully connect to the host computer it may mean a mistake in typing the ip address. If the host's firewall is configured to block the needed port, then your connection will also be blocked. The port for the VNC protocol must be opened on the host computer. It may work out for the best if the technician does the initial setup of both computers, after which the host user just needs to click the appropriate sharing option when making the help call.

    You can bookmark a connection on the Krdc "guest" to save time with repeat tech help calls. You'll need to enter the new password for each desktop sharing session. But for connections on your LAN or to a remote computer say at a university, your account and password probably won't be changing and you can leave it saved in Kwallet.