bash-4.4$ uname -a
Linux cat-desktop 5.4.83-generic-2rosa-x86_64
делал так:
# systemctl unmask sleep. target suspend.target
Unit sleep..service does not exist, proceeding anyway.
Unit target.service does not exist, proceeding anyway.
# systemctl status sleep. target
Unit sleep..service could not be found.
Unit target.service could not be found.
