安装部署Cockpit：
CentOS：
sudo yum install -y cockpit cockpit-docker cockpit-machines cockpit-dashboard cockpit-storaged cockpit-packagekit
sudo systemctl enable --now cockpit.socket
sudo firewall-cmd --permanent --zone=public --add-service=cockpit
sudo firewall-cmd --reload
Ubuntu：
echo 'deb http://deb.debian.org/debian stretch-backports main' | sudo tee /etc/apt/sources.list.d/backports.list
sudo apt-get update
sudo apt-get install cockpit cockpit-docker cockpit-machines cockpit-dashboard cockpit-storaged cockpit-packagekit
sudo systemctl enable --now cockpit.socket
sudo firewall-cmd --permanent --zone=public --add-service=cockpit
sudo firewall-cmd --reload
更改服务端口：
vim /usr/lib/systemd/system/cockpit.socket
---
[Unit]
Description=Cockpit Web Service Socket
Documentation=man:cockpit-ws(8)
Wants=cockpit-motd.service
[Socket]
ListenStream=8080
ExecStartPost=-/usr/share/cockpit/motd/update-motd '' localhost
ExecStartPost=-/bin/ln -snf active.motd /run/cockpit/motd
ExecStopPost=-/bin/ln -snf /usr/share/cockpit/motd/inactive.motd /run/cockpit/motd
[Install]
WantedBy=sockets.target
---
# 允许新端口通过防火墙
sudo firewall-cmd --add-port=8080/tcp
sudo firewall-cmd --permanent --add-port=8080/tcp