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Cygwin Telnet Client
For some weird reason when attempting to run the Windows version of telnet under Cygwin it returns to a prompt without connecting. So you need to install the Cygwin Package that contains a telnet client which is: inetutils Run the cygwin setup.exe and choose...
IPTraf – Looking at it as it happens
When looking at traffic flowing in and out of your gateway Linux boxes you can use a variety of tools. tcpdump is handy For example if I wanted to know what traffic is flowing from my ppp0 interface to a remote host without resolving the names I would say. tcpdump -i...
I am chicken hear me roar
OK this will be of virtually no interest to the world community. I put it here simply for posterity and to answer the "When did chicken X start laying?" question. I think we now have two chooks laying. The new egg is on the right. My lovely wife found an egg in the...
Headless does not mean you can’t use the GUI
The Problem: So you have a firewall / server box that you don't want to run X on but you would rather forgo the pleasure of editing all the config files by hand. What to do? A resolution: Use ssh X forwarding to bring those remote GUI programs to your local...
FWBuilder error sudo: sorry, you must have a tty to run sudo
If you use fwbuilder to compile and install your firewall rules you may have come accross "sudo: sorry, you must have a tty to run sudo" This is caused by a setting in the /etc/sudoers file "Defaults requiretty" As root run visudo and comment out that line with a hash...
Setting up an Xvnc Server for remote logins
Those of us Windows admins that like the mstsc /v:hostname option of connecting to our Windows Boxes may also want a "feel at home" approach for Linux. I personally like to be able to use vncviewer ip_address:port to connect and get a complete Linux Desktop. The...