sudo gedit /etc/hosts
127.0.0.1 orderer.example.com
127.0.0.1 peer0.org1.example.com
127.0.0.1 peer1.org1.example.com
sudo ufw disable
firewall-cmd --add-port=7051/tcp --permanent
firewall-cmd --add-port=9051/tcp --permanent
firewall-cmd --add-port=7050/tcp --permanent
firewall-cmd --reload
sudo service docker restart
Uubuntu没有权限复制文件
sudo nautilus