Linux 4 - Add and Enable a Repo Source in Lunix (if got 'not signed' ERROR)

By Sheldon L

Published at 2019-10-17

Updated at 2019-10-17

---

Example - Install Wine on Ubuntu

# add repo source
sudo apt-add-repository 'deb https://dl.winehq.org/wine-builds/ubuntu/ bionic main'

# update repo
sudo apt-get update
# if update return 'not signed' ERROR:
    # set options in /etc/apt/sources.list like this:
    # 'deb [trusted=yes] https://dl.winehq.org/wine-builds/ubuntu/ bionic main'
    sudo apt-get update  # will got a PUBKEY '76F1A20FF987672F'
    sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 76F1A20FF987672F

# now the app can be installed and used
sudo apt-get install --install-recommends winehq-stable

wine -version

Alternative for Installation of Wine

How to Install Wine 4.0 on Ubuntu 18.04 LTS