On Tue, 2020-02-04 at 12:25 -0800, Mike Wright wrote:
# Cmnd alias specification Cmnd_Alias LXC=/usr/bin/lxc
# Members of the admin group may gain root privileges %admin ALL=(ALL) ALL
# Allow members of group sudo to execute any command %sudo ALL=(ALL:ALL) ALL
# User privilege specification root ALL=(ALL:ALL) ALL mike ALL=(ALL) NOPASSWD:LXC
What is the output of sudo -l when you are logged in as mike, I configured sudoers with the same as what you have here with the exceptions of the commands and it works as expected.