seeing this when executing sudo from inside a docker container (ubuntu 18.04) when parent host is ubuntu 20.04

sudo -i
sudo: setrlimit(RLIMIT_CORE): Operation not permitted

1 Answer 1


a fix has been applied to sudo 1.8.31p1 and is already in 1.9 however this warning has a work around ... just issue

echo "Set disable_coredump false" >> /etc/sudo.conf

for details see https://github.com/sudo-project/sudo/issues/42

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