Many thanks @nic Here is a version with no external file
RUN mv /bin/uname /bin/uname.orig RUN printf '#!/bin/bash\n\nif [[ "$1" == "-r" ]] ;then\n echo '4.9.250'\n exit\nelse\n uname.orig "$@"\nfi' > /bin/uname RUN chmod 755 /bin/uname (The second statement should be all on one line if you copy-paste it) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1962225 Title: preinst check that kernel revision < 255 now does more harm than good To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/glibc/+bug/1962225/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs