4-Docker命令之docker logs

1.docker logs介绍

docker logs命令是用来获取docker容器的日志

2.docker logs用法

docker logs [参数] CONTAINER

[root@centos79 ~]# docker logs --help

Usage:  docker logs [OPTIONS] CONTAINER

Fetch the logs of a container

Aliases:
  docker container logs, docker logs

Options:
      --details        Show extra details provided to logs
  -f, --follow         Follow log output
      --since string   Show logs since timestamp (e.g. "2013-01-02T13:23:37Z") or relative (e.g. "42m" for 42 minutes)
  -n, --tail string    Number of lines to show from the end of the logs (default "all")
  -t, --timestamps     Show timestamps
      --until string   Show logs before a timestamp (e.g. "2013-01-02T13:23:37Z") or relative (e.g. "42m" for 42 minutes)
[root@centos79 ~]# 

3.实例

3.1.查看容器的日志

命令：

docker logs 5cad

[root@centos79 ~]# docker run -itd daocloud.io/lib