I believe this is because the package acpica-tools uses alternatives and the commands provided by the package actually have different names.
update-alternatives: using /usr/bin/acpixtract-acpica to provide /usr/bin/acpixtract (acpixtract) in auto mode update-alternatives: using /usr/bin/acpidump-acpica to provide /usr/bin/acpidump (acpidump) in auto mode (eoan-amd64)root@impulse:/home/bdmurray/source-trees/cpc_build_tools/human_scripts# dpkg -L acpica-tools /. /usr /usr/bin /usr/bin/acpibin /usr/bin/acpidump-acpica /usr/bin/acpiexec /usr/bin/acpihelp /usr/bin/acpinames /usr/bin/acpisrc /usr/bin/acpixtract-acpica ... $ acpidump-acpica Command 'acpidump-acpica' not found, but can be installed with: sudo apt install acpica-tools -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1800330 Title: Doesn't know about acpica-tools (acpidump, acpixtract) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/acpica-unix/+bug/1800330/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs