Get:3 https://mirrors.dotsrc.org/ctan/systems/win32/miktex/setup/deb bionic InRelease [2034 B]
Err:3 https://mirrors.dotsrc.org/ctan/systems/win32/miktex/setup/deb bionic InRelease
The following signatures were invalid: EXPKEYSIG 277A7293F59E4889 MiKTeX Packager <packager@miktex.org>
Reading package lists... Done
W: GPG error: https://mirrors.dotsrc.org/ctan/systems/win32/miktex/setup/deb bionic InRelease: The following signatures were invalid: EXPKEYSIG 277A7293F59E4889 MiKTeX Packager <packager@miktex.org>
E: The repository 'http://miktex.org/download/ubuntu bionic InRelease' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
When trying to follow the installation steps (https://miktex.org/howto/install-miktex-unx), I get this error when performing
apt update
:According to keyserver.ubuntu.com, the key is expired (https://keyserver.ubuntu.com/pks/lookup?op=vindex&search=0x277a7293f59e4889)
Could the key be updated?