The problem: you have a computer sitting behind a firewall. You want to access it from a different location, but you don’t have the ability to forward any ports to it. The answer: SSH tunneling.
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Blog Archives
Quick and Easy Passwordless public-key auth
Need passwordless auth with ssh? Need it really really fast? 3 steps and you’re done. ssh-keygen -t rsa (don’t enter a passphrase) ssh-copy-id -i ~/.ssh/id_rsa user@remotehost ssh user@remotehost Wasn’t that easy?
Multitouch: Fundamental Feature or Fad?
Popularized with the ever-present iPhone and expanding into the tablet and desktop sector by companies such as Dell and HP, multitouch is becoming an interesting addition to today’s user interfaces. Overseas companies, such as Asus, are also taking advantage of…
Arduino Mobile Connectivity
Many DIY projects that people attempt these days include internet connectivity, logging, gps tracking, sensor data storage, and remote control. People have used xBee, GPS modules, and extra hardware to integrate all of these features, but there is a much…
The Virtues of Circumcensoring
Throughout the history of the internet, chat rooms and forums have grown exponentially. Many people in these chat rooms were annoyed at the use of explicit language, so administrators implemented censoring of inappropriate words.Censoring, as originally implemented, resulted in a…
Ramblings: The Complacency of Modern Education
The time is fall. Students anxiously return to out-of-home dwellings to obtain instruction on various topics dependent upon the nature of the student. Despite the subject’s probable interest to a student, their educations rarely motivate them. This lack of motivation…
Tagged with: course selection, Education, liberal arts, Ramblings, school
Posted in Education, Ramblings
Posted in Education, Ramblings
Physics Resources
Taking a high school physics course? Check out our collaborative physics formula sheet. It includes most formulas covered by a Physics I level class, and fits them onto a single (2-sided) sheet of 8.5×11 paper. If you see any problems…
Idea: Powerline-networked Outlets/Switches
With the advent of powerline LAN from various manufacturers for a steadily decreasing price, designing network-connected products becomes much easier. Once the price of hardware for powerline networking drops due to wide acceptance, some standard “dumb” appliances and pieces of…
[protofusion] Shirts Now Available!
You can now purchase [protofusion] T-shirts! [protofusion] T-shirts are available in light-colored shirt varieties: grey logo blue logo Blue [protofusion] logos on dark shirts are also available. I can put the logo on additional shirts colors on request. This includes…
Using a DRAC II on CentOS 5
This post chronicles my adventures trying to get a DRAC II card operational on my poweredge 4300 server running CentOS 5. This post also applies to most other linux distros, especially redhat-based distros. I will also document setting up remote…