docker pull下的结果

查看版本

cat /etc/issue

例如

Ubuntu 16.04.6 LTS

apt-get install sudo
apt-get install net-tools

sudo: setrlimit(RLIMIT_CORE): Operation not permitted 解决方法

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

参考：https://unix.stackexchange.com/questions/578949/sudo-setrlimitrlimit-core-operation-not-permitted