(2) Install pagoda and docker and docker image download acceleration

1. Turn off the firewall of the server

Stop the firewall:

systemctl stop firewalld.service

 Disable the firewall from starting at boot: 

systemctl disable firewalld.service

 (The feedback from each machine is different, don't worry about it, just hit it up anyway) 

2. Install a tool

Install wget (to avoid reporting -bash: wget error when you need to enter the wget command later)

yum -y install wget

3. Install the pagoda

1. One-click script to install pagoda

yum instal