The ancient serial port which is no longer found on the latest motherboards and even the not so latest laptops is still used for connecting to the console of networking devices, headless computers and a lot other applications. On computers which do not have built-in serial ports USB-to-Serial adapters can be used. Linux identifies inbuilt serial ports as /dev/ttyS0, /dev/ttyS1,….. /dev/ttySn and USB-to-Serial adapters as /dev/ttyUSB0, …. /dev/ttyUSBn and they can be accessed using terminal emulator applications like PuTTY, minicom and screen.Continue Reading…
How to use PuTTY to create a SSH Tunnel
The SSH protocol has a unique feature of tunneling other protocols and encrypting them. This article will show you how to use the popular terminal emulator PuTTY to create a SSH tunnel to pass VNC traffic which is normally unencrypted. This is just an example of tunneling VNC traffic through PuTTY you can tunnel almost any traffic (eg HTTP, FTP) by changing port numbers. First I will show you how this is done through the GUI and then by using command line parameters of PuTTY which are very similar to the “ssh” command in Linux. This article assumes that a VNC server software has already been installed on the target Linux computer and a VNC session has been created.Continue Reading…