docker常用运维命令总结:
在centos中通过systemd启动与管理docker:
1. 启动docker:sudo systemctl start docker
- 关闭docker:sudo systemctl stop docker
- docker开机自启:sudo systemctl enable docker
- 查看docker日志: journalctl -u docker.service or less /var/log/messages | grep Docker
- 查看服务运行状态:systemctl status docker.service
- systemd启动docker.service逻辑:cat /usr/lib/systemd/system/docker.service
- docker数据存储目录:tree -L 1 /var/lib/docker
- 删除docker数据存储目录:rm -rf /var/lib/docker/* or docker system prune -a or docker volume rm $(docker volume ls -q) 删除所有卷
- 查看docker所占磁盘空间:cd /var/lib/docker && du -sh * or docker system df
- docker磁盘挂载信息:mount | grep overlay2
- docker配置信息:ls /etc/docker
- 理解容器内外进程id的关联信息:容器内:docker exec etcd0 ps -ef 容器外:docker top etcd0 关联pid信息 pstree -pl | grep docker