Ubuntu/Mint/Debian: Install current TeXstudio

one can include the ppa from opensuse for the most current texstudio version:

  1. add the ppa’s key to your keychain:
    $ wget -nv http://download.opensuse.org/repositories/home:/jsundermeyer/xUbuntu_16.04/Release.key -O Release.key
    $ sudo apt-key add - < Release.key
  2. add the ppa to your sources list folder:
    $ sudo sh -c "echo 'deb http://download.opensuse.org/repositories/home:/jsundermeyer/xUbuntu_16.04/ /' > /etc/apt/sources.list.d/opensuse-texstudio.list"
    $ sudo apt-get update
    $ sudo apt-get install texstudio



Install firefox nightly on ubuntu/mint

for the nightly builds of firefox do the following:

  1. just include the following ppa:$ sudo add-apt-repository ppa:ubuntu-mozilla-daily/ppa
  2. update and install the package, called firefox-trunk

source: support.mozilla.org

for the firefox-next install see: https://itgrenade.wordpress.com/2016/07/11/install-firefox-beta-on-mint-ubuntu-debian-etc/