ubuntu 20.04 docker
https://docs.docker.com/engine/install/ubuntu/
Ubuntu20.04下部署linux资源监控平台（docker部署）grafana+prometheus+node_exporter（docker+离线包）
https://blog.csdn.net/deer_cui/article/details/134020816
for pkg in docker.io docker-doc docker-compose docker-compose-v2 podman-docker containerd runc; do sudo apt-get remove $pkg; done
sudo apt-get update
sudo apt-get install ca-certificates curl gnupg
sudo install -m 0755 -d /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
sudo chmod a+r /etc/apt/keyrings/docker.gpg
echo \
"deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
$(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
sudo docker run hello-world
sudo apt-cache madison docker-ce | awk ‘{ print $3 }’
sudo docker pull prom/node-exporter
sudo docker run --rm --name=node-exporter -p 9100:9100 -d prom/node-exporter
其中，–rm参数表示容器退出时自动删除容器，–name参数指定容器的名称，-p参数将容器内的9100端口映射到主机的9100端口，-d参数表示在后台运行容器。
sudo docker pull prom/prometheus
sudo docker volume create prometheus-data
sudo docker run -p 9090:9090 -v /home/jack/prometheus/prometheus.yml:/etc/prometheus/prometheus.yml -v prometheus-data:/prometheus -d prom/prometheus
sudo docker ps -a
sudo docker run --rm --name=node-exporter -p 9100:9100 -d prom/node-exporter
sudo docker pull grafana/grafana-enterprise
sudo docker run -d -p 3000:3000 --name=grafana grafana/grafana-enterprise
sudo docker restart pensive_knuth
http://192.168.99.40:9090/
http://192.168.99.40:3000/
admin
admin
[Linux] docker 出现Got permission denied while trying to connect to the Docker daemon socket…问题的解决办法
https://blog.csdn.net/weixin_43972154/article/details/123873175