Последовательность действий
$ sudo su
# adduser stimiriaev
# mkdir /home/stimiriaev/.ssh/
# echo "ssh-rsa AAAAB3NzSECRET<KEY1I+U= tsr@peka" > /home/stimiriaev/.ssh/authorized_keys
# chmod 600 /home/stimiriaev/.ssh/authorized_keys
# chown -R stimiriaev:stimiriaev /home/stimiriaev/.ssh/authorized_keys
# usermod -G sudo stimiriaev
# echo "stimiriaev ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers
