lxc launch ubuntu:16.04 first
lxc exec first -- /bin/bash
userdel ubuntu
adduser --home /home/u --shell /bin/bash u
usermod u -aG sudo
/etc/init.d/ssh start
or
service ssh start
or
systemctl start ssh
vi /etc/ssh/sshd_config
PasswordAuthentication no --> yes
service ssh restart
lxc config device add xxx projectdir disk source=/home/user/prjs path=/home/user/prjs
lxc stop xxx
lxc config set xxx raw.idmap 'both 1000 1000'
lxc start xxx
