Nowadays we do a lot of text input on the Web, like posting on forums, filling out a support request form, commenting on someone's blog, etc. Although Web forms often offer a variety of so-called rich text editing capabilities, nothing beats the good old desktop editors. For a vim person …

Although Firefox is considered very safe and stable, it sometimes hangs. In the past, when it hung, my solution was to remove the whole ~/.mozilla/firefox directory. It worked every time (reinstalling Firefox doesn't help). Of course, I would always backup my bookmarks.html and other files under the chrome …

In order to click "mailto:" links on Web pages to launch an email program, Firefox (or Iceweasel on Debian) needs to be told which email program to use.

To do this, type "about:config" in Firefox's address bar, type in "mailto" in filter, look if "network.protocol-handler.external.mailto" preference …