links for 2010-09-23

• Tunneling SSH over an HTTP-Proxy Server
  Corkscrew is an ssh proxy that will run through http.
  (tags: firewall linux network security ssh tunneling proxy tunnel http)

links for 2010-09-21

• OpenGL Rendering and State Cheat-Sheet
  A good quick OpenGL Cheatsheet
  (tags: cheatsheet opengl reference)
• 20 of the Best Free Linux Books – Part 1 – LinuxLinks News
  Free Linux Ebooks
  (tags: books ebook ebooks howto learning linux pdf sysadmin tutorial ubuntu)