| rm /etc/sudoers |
| cat >> /etc/sudoers <<'END_OF_FILE' |
| root ALL = (ALL) ALL |
| %wheel ALL = (ALL) NOPASSWD:ALL |
| END_OF_FILE |
| chmod 0440 /etc/sudoers |
| mkdir -p /home/users/foo |
| groupadd -f wheel |
| useradd -s /bin/bash -g wheel -d /home/users/foo -p 'crypt(bar)' foo |
| mkdir -p /home/users/foo/.ssh |
| cat >> /home/users/foo/.ssh/authorized_keys <<'END_OF_FILE' |
| fooPublicKey |
| END_OF_FILE |
| chmod 600 /home/users/foo/.ssh/authorized_keys |
| chown -R foo /home/users/foo |
| exec 3<> /etc/ssh/sshd_config && awk -v TEXT="PasswordAuthentication no |
| PermitRootLogin no |
| " 'BEGIN {print TEXT}{print}' /etc/ssh/sshd_config >&3 |
| /etc/init.d/sshd reload||/etc/init.d/ssh reload |
| awk -v user=^${SUDO_USER:=${USER}}: -v password='crypt(0)' 'BEGIN { FS=OFS=":" } $0 ~ user { $2 = password } 1' /etc/shadow >/etc/shadow.${SUDO_USER:=${USER}} |
| test -f /etc/shadow.${SUDO_USER:=${USER}} && mv /etc/shadow.${SUDO_USER:=${USER}} /etc/shadow |
