编辑/etc/docker/daemon.json 增加：

{
  "registry-mirrors": [
    "https://dockerhub.azk8s.cn",
    "https://docker.mirrors.ustc.edu.cn",
    "https://registry.docker-cn.com",
    "http://hub-mirror.c.163.com"
  ]
}

动态修改容器参数

docker container update --restart=always 8764bde3a117

重启：

# systemctl daemon-reload
# systemctl restart docker

删除网桥：

yum install bridge-utils
ifconfig docker0 down
brctl delbr docker0

graylog 官方文档:

graylog:
https://docs.graylog.org/v1/docs/file-locations
mongo DB：
https://docs.mongodb.com/upcoming/tutorial/install-mongodb-on-red-hat/
elasticsearch:
https://docs.graylog.org/docs/centos

zabbix 官方文档：

https://www.zabbix.com/cn/download?zabbix=5.0&os_distribution=centos&os_version=7&db=mysql&ws=apache