computer resources

• Azure VM : D2s_v3
• CPU : 2core
• Memory : 8GB
• Disk : 16GB
• OS : Ubuntu 20.04 LTS - Gen2
• Private ip : 10.100.0.105

timezone 변경

sudo ln -sf /usr/share/zoneinfo/Asia/Seoul /etc/localtime

hostname 변경

sudo vi /etc/hostname

docker-ubuntu.example.com

hosts 등록

sudo vi /etc/hosts

10.100.0.105    docker-ubuntu-example.com       docker-ubuntu
10.100.0.106    docker-centos-example.com       docker-centos

root password 등록

sudo passwd root

ssh접속 확인

systemctl status sshd
ssh nana@locallost