Tripp Lite B093-004-2E4U-V Owner's Manual

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6. SSH Tunnels and SDT Connector

• To set up a persistent VNC server on Red Hat Enterprise Linux 4:

o Set a password using vncpasswd.

o Edit /etc/sysconﬁg/vncservers.

o Enable the service with chkconﬁg vncserver on.

o Start the service with service vncserver start.

o Edit /home/username/.vnc/xstartup if you want a more advanced session than just twm and an xterm.

For Macintosh servers (and clients):

OSXvnc http://www.redstonesoftware.com/vnc.html is a robust, full-featured VNC server for Mac OS X that allows any VNC

client to remotely view and/or control the Mac OS X machine. OSXvnc is supported by Redstone Software.

Most other operating systems (Solaris, HPUX, PalmOS, etc.) either come with VNC bundled, or have third party VNC software

that you can download.

6.9.2 Install, Conﬁgure and Connect the VNC Viewer

VNC is truly platform-independent. A VNC Viewer on any operating system can connect to a VNC Server on any other operating

system. There are Viewers (and Servers) from a wide selection of sources (e.g.,UltraVNC TightVNC or RealVNC) for most

operating systems. There are also a wealth of Java viewers available so any desktop can be viewed with a Java-capable

browser (http://en.wikipedia.org/wiki/VNC lists many of the VNC Viewers sources).

• Install the VNC Viewer software and set it up for the appropriate speed connection.

Note: To make VNC faster, when you set up the Viewer:

• Set encoding to ZRLE (if you have a fast enough CPU)

• Decrease color level (e.g., 64 bit)

• Disable the background transmission on the Server or use a plain wallpaper

(refer to http://doc.uvnc.com for detailed conﬁguration instructions).

• To establish the VNC connection, ﬁrst conﬁgure the VNC Viewer by entering the VNC Server IP address.

When the Viewer PC is connected to the console server through an SSH tunnel (over the public Internet, dial-in connection, or

private network connection), enter localhost (or 127.0.0.1) as the IP VNC Server IP address. Use the source port you entered

when setting SSH tunneling /port forwarding (in section 6.2.6 Manually Adding New Services to the New Hosts)

e.g., :1234.

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Tripp Lite B093-004-2E4U-V 4-Port Console Server with 4G LTE Cellular Gateway, Dual GbE NIC, 4Gb Flash and Dual SIM