https://f-droid.org/de/packages/com.termux/
https://github.com/termux/termux-packages/wiki/Termux-and-Android-10
(https://github.com/termux/termux-app/issues/1072  , locked and limited conversation to collaborators on 6 Jan 2021)

Über F-Droid Termux installieren !
s.F-Droid.txt
Sollte dann wieder funktionieren.


Beschränkung auf Termux-DIR
keine shell

"We do not want to introduce the breaking changes to comply with Google's requirements. But as result Termux does not support Android 10 officially.
Please note that users of Android 10 may face these restrictions:
    On certain devices Termux will not start shell. Workaround is to set SELinux to permissive mode - only possible on rooted devices.
    Access to /proc/net is restricted. As result netstat and other utilities using data from this interface does not work anymore. On rooted devices run these utilities as superuser to get them working again.
People using Android 11 may experience more issues, for example some utilities are being terminated by file descriptor sanitizer."


KI:
Die beste Alternative zu Termux ist PuTTY. Ähnliche Anwendungen wie Termux sind MobaXTerm, Rocket Terminal Emulator, SecureCRT und iTerm2 .