, RSA (Encrypt or Sign, 4096 bits) User ID Signature OpenPGP CertificateĪnd to add it you need: $ sudo curl -fsSL -o /etc/apt/keyrings/NAME.gpg dev/stdin: PGP public key block Public-Key (old)įor a non-armored key the output will be along the lines of: /dev/stdin: OpenPGP Public Key Version 4, Created. If you're not sure if the key is ASCII-armored: $ curl -fsSL | file. | sudo gpg -dearmor -o /etc/apt/keyrings/docker.gpg
Let's say you want to add docker's repo key (an ASCII-armored key): $ curl -fsSL \ (note there are some random warnings, but nothing that affects the install or software center operations)Īnd for the removal (just in case): What is the correct way to completely remove an application? With 30C18A2B being the key-id from the list.Īfter performing that command, and setting up the sources exactly like in your screen-shot, do: sudo apt-get update The linked answer also shows that you can remove the key if needed, using: sudo apt-key del 30C18A2B Uid Opera Software Archive Automatic Signing Key 2013 This will list the keys added and the key from Opera should be listed on the bottom like this: pub 1024D/30C18A2B Now to verify that it worked, run this command (from this answer): apt-key list So it basically downloads the key and then adds it in one command. | is a pipline, which takes the output of one command and runs it into the input of another.wget downloads something from a server.
#UBUNTU INSTALL WGET HOW TO#
To use it, you would paste the entire command in the terminal (remember to use https): wget -qO - | sudo apt-key add -īut of course, it is daunting just copying and pasting commands without knowing what they are doing, and having no instructions on how to undo their actions, so here is a basic breakdown of the commands: What is a terminal and how do I open and use it? This a a one line command to enter in terminal.
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