Opera 39 Goes Stable, How to Install it in Ubuntu

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Opera web browser for Linux finally reached the 39 stable release. It’s now based on Chromium 52.0.2743.116.

The new release has been made into the official Opera for Linux repository, available for all current Ubuntu releases.

1. To add the repository, open terminal (Ctrl+Alt+T) and run:

sudo sh -c 'echo "deb https://deb.opera.com/opera-stable/ stable non-free" >> /etc/apt/sources.list.d/opera-stable.list'

2. Setup the key so Ubuntu trust the packages from that repository:

wget -O - http://deb.opera.com/archive.key | sudo apt-key add -

3. To upgrade from a previous release, launch Software Updater and install the updates after checking for updates:

Or just run the commands below one by one to install / upgrade Opera stable:

sudo apt update

sudo apt install opera-stable