ROOT Version: 6.26.10
Platform: Ubuntu 22.04.1
Compiler: not provided
You do not see the graphics window ?
Are you connected via
Are you in batch mode ?
can you post the full screen dump ? it seems there is messages before the ROOT banner.
Do you connect to a remote (“
Red Hat 8.5”) machine using “
ssh -X -Y ...”?
If not, and you work on your own “local” machine which runs “
Ubuntu 22.04” then you cannot use ROOT built on “
Red Hat 8.5”. You need ROOT binaries built for your system / compiler.