linux create user - sergeyzolotukhin/learn-java-gradle GitHub Wiki
sudo su
useradd -m szolotukhin
passwd szolotukhin
usermod -a -G szolotukhin szolotukhin
yum install openssh openssh-server
systemctl start sshd
systemctl enable sshd
/etc/ssh/sshd_config
PasswordAuthentication yes
systemctl restart sshd
/etc/sudoers
szolotukhin ALL=(ALL) ALL
https://netbeez.net/blog/how-to-use-the-linux-traffic-control/