I can access my employer’s local network if I authenticate with a 2fa. They suggest proprietary software, but aegis authenticator (found in fdroid) works fine.
The thing is, the phone’s screen is too small and it’s very cumbersome to navigate the screen and to click, it’s so bad I don’t want to use it, because fonts are so small you cannot read anything. It’s like they didn’t even try to optimize the local network for devices.
However, if I could emulate this app on an ubuntu based computer, I’d use it. Can it be done?
what protocol does the network use for authentication?
if it is TOTP then you should maybe consider alternatives to Aegis since there are many.
oathtool is a CLI TOTP provider for instance.
see also this answer on askubuntu for GUI alternatives and browser extensions that all provide TOTP functionality. If by 2FA you mean something other than TOTP we need more info to answer your question ;)