Ubuntu

TL;DL

passwd root

timedatectl set-timezone Asia/Tokyo
hostnamectl set-hostname ubuntu-server
apt -y update
apt -y install openssh-server
echo "PermitRootLogin  yes" | tee /etc/ssh/sshd_config
echo -e "password\npassword\n" | passwd root
systemctl start ssh && systemctl enable ssh

rootパスワードの設定

$ passwd root

タイムゾーン、ホストネームの設定

timedatectl set-timezone Asia/Tokyo
hostnamectl set-hostname ubuntu-server

sshの設定

apt -y update
apt -y install openssh-server
echo "PermitRootLogin  yes" | tee /etc/ssh/sshd_config
echo -e "password\npassword\n" | passwd root
systemctl enable sshd && systemctl restart sshd && systemctl start sshd