For example: $ sudo apt-get upgradeĮ: Some packages could not be authenticated If these errors aren’t fixed, apt will have problems when installing or upgrading packages. W: GPG error: trusty-updates Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5 NO_PUBKEY 3B4FE6ACC0B21F32 W: GPG error: trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5 NO_PUBKEY 3B4FE6ACC0B21F32

W: GPG error: trusty-security Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5 NO_PUBKEY 3B4FE6ACC0B21F32 The command will download the key from Microsoft, then convert it into encrypted GPG, and finally store the file under “/usr/share/keyrings/” directory.There are times when running apt-get update in Ubuntu will result in error messages such as the following: $ sudo apt-get update When it opens, paste the command below and hit Enter to run: wget -O - | gpg -dearmor | sudo tee /usr/share/keyrings/microsoft.gpg Press Ctrl+Alt+T on keyboard to open terminal.

Download & install the GPG Key:īefore adding the repository, you need to first download & install the GPG key so system will accept signatures from Microsoft. How to Install Microsoft Edge in Ubuntu: 1. And, with the Microsoft repository it allows to keep it up-to-date by receiving updates via “Software Updater”. Here’s how to correctly add the Microsoft repository and install Edge browser in Ubuntu 18.04, Ubuntu 20.04, Ubuntu 21.10, Debian 11, and their based systems.Īfter this tutorial, you should be able to open the latest stable Edge from start menu (activities overview). Microsoft Edge web browser finally adds Linux support after more than a year of dev and beta tests.

Ubuntu microsoft edge