Firefox

AddOn

• MultiLogin: addons.mozilla.org/addon/multi-account-containers

Disable 'Reset Firefox ...'

• Tired of annoying mesage "It looks like you haven't started Firefox in a while. Do you want to clean it up for a fresh, like-new experience? And by the way, welcome back!"

• Solution found at http://miroslav.suchy.cz/blog/archives/2014/05/13/how_to_disable_reset_prompt_in_firefox/index.html

• step by step:

  • Open: about:config

  • Create a new entry by selecting any entry > right mouse click > New > Boolean

  • Enter the preference name: browser.disableResetPrompt

  • Value: True

This Connection is Untrusted

• You see this message on encrypted sites with selfsigned certificates. If you trust the site, click:

I Understand the Risks > Add Exception > Get Certificate > Confirm Security Exception

Profile in use / Clean lock files

• After an unclean stop of Mozilla or Thunderbird (application crashes, desktop session crash, server crash ) it happened frequently that a new start of the application fails with:

• To clean the setup, start either

  • Applications > System Tools > Clean Firefox/Thunderbird - Remove Lock', or

  • call rmlock.sh from a terminal.

Turn off Spell Checker

Tools > Options > Advanced > General > Check my spelling as I type: Off

Firefox Not Scrolling with Up/Down Arrow Keys or Home/End Keys

• Hit F7 to activate/deactivate 'caret browsing'

• http://en.wikipedia.org/wiki/Caret_navigation

Export / Import Bookmarks

This section explains how to export your bookmarks i.e on Windows to an HTML file, which can be used as a backup or for importing into another web browser and/or on an different Plattform.

Export

• Click the Library button |||\ icon, then click Bookmarks. Scroll to the bottom and click Show all Bookmarks.

• From the toolbar on the Library window, click Import and Backup and choose Export Bookmarks to HTML
• In the Export Bookmarks File window that opens, choose a location to save the file (any place you have write access will work), which is named bookmarks.html by default.
• Click the Save button. The Export Bookmarks File window will close.
• Close the Library window

Import

• Click the Library |||\ icon, then click Bookmarks. Scroll to the bottom and click Show all Bookmarks.

• From the toolbar on the Library window, click Import and Backup and choose Import Bookmarks from HTML
• In the Import Bookmarks File window that opens, navigate to the previously saved bookmarks HTML file you want import
• Click the Open button. The Import Bookmarks File window will close.
• Close the Library window.
  • The bookmarks in the selected HTML file will be added to your Firefox bookmarks within the Bookmarks Menu directory.

Cookies

Cookies are small files stored by Firefox that contain website-related data. Sometimes it is necessary to clean then if some page does not open correctly.

• Open the settings menu

  • 

• Choose Privacy & Security tab and scroll down to the Cookies and Site Data section

  • Here you can delete all cookies or cookies from selected pages. Several time periods are provided

    • short-time periods (last hours, this day) are perfect to clean recent sessions

    • in case of problems it is best to choose Everything