常用命令如下表:
选项 描述
ls 列出容器
inspect 查看一个或多个容器详细信息
exec 在运行容器中执行命令
commit 创建一个新镜像来自一个容器
cp 拷贝文件 / 文件夹到一个容器
logs 获取一个容器日志
port 列出或指定容器端口映射
top 显示一个容器运行的进程
stats 显示容器资源使用统计
stop/start 停止 / 启动一个或多个容器
rm 删除一个或多个容器
1,ls - 列出容器
只列出正在运行的容器:
[root@localhost ~]# docker container ls
列出所有容器, 包括已停止的:
[root@localhost ~]# docker container ls -a
inspect - 查看一个或多个容器详细信息:
- [root@localhost ~]# docker container inspect nginx01
- ......
2,exec - 在运行容器里执行命令
在容器里执行命令:
- [root@localhost wwwroot]# docker container run -d --name nginx04 -h nginx04 nginx
- a44b757591db1ebd9146ec9245b742f755439d83637012f4a27de83e56b52153
进入容器终端:
- [root@localhost wwwroot]# docker container exec -it nginx04 bash
- root@nginx04:/# hostname
- nginx04
查看主机名:
- [root@localhost wwwroot]# docker container exec nginx04 hostname
- nginx04
查看时间:
- [root@localhost wwwroot]# docker container exec nginx04 date
- Sun Aug 5 19:10:11 UTC 2018
- [root@localhost wwwroot]#
3,cp - 拷贝文件或目录到一个容器
拷贝文件到容器:
- [root@localhost ~]# echo 123321>> 123.txt
- [root@localhost ~]# cat 123.txt
- 123321
- [root@localhost ~]# docker container cp 123.txt nginx04:/usr/share/nginx/html
- [root@localhost ~]# docker container exec -it nginx04 cat /usr/share/nginx/html/123.txt
- 123321
- [root@localhost ~]# docker container exec -it nginx04 ls /usr/share/nginx/html/123.txt
- /usr/share/nginx/html/123.txt
- [root@localhost ~]# cd /usr/share/nginx/html
- -bash: cd: /usr/share/nginx/html: No such file or directory
- [root@localhost ~]#
4,logs - 获取一个容器日志
查看容器日志:
查看容器的 IP 地址
- [root@localhost ~]# docker container inspect -f '{{.NetworkSettings.IPAddress}}' nginx02
- 172.17.0.3
- [root@localhost ~]# docker container inspect -f '{{.NetworkSettings.IPAddress}}' nginx01
- 172.17.0.2
- [root@localhost ~]# docker container inspect -f '{{.NetworkSettings.IPAddress}}' nginx04
- 172.17.0.6
查看容器 nginx02 的日志:
- [root@localhost ~]# docker container ls|grep nginx02
- a5e10362acc3 nginx "nginx -g'daemon of..." 25 hours ago Up 2 hours 0.0.0.0:88->80/tcp nginx02
- [root@localhost ~]# docker container inspect -f '{{.NetworkSettings.IPAddress}}' nginx02
- 172.17.0.3
- [root@localhost ~]# curl -I http://192.168.1.101:88
- HTTP/1.1 200 OK
- Server: nginx/1.15.2
- Date: Sun, 05 Aug 2018 19:26:30 GMT
- Content-Type: text/html
- Content-Length: 612
- Last-Modified: Tue, 24 Jul 2018 13:02:29 GMT
- Connection: keep-alive
- ETag: "5b572365-264"
- Accept-Ranges: bytes
- [root@localhost ~]# curl -I 172.17.0.3
- HTTP/1.1 200 OK
- Server: nginx/1.15.2
- Date: Sun, 05 Aug 2018 19:26:41 GMT
- Content-Type: text/html
- Content-Length: 612
- Last-Modified: Tue, 24 Jul 2018 13:02:29 GMT
- Connection: keep-alive
- ETag: "5b572365-264"
- Accept-Ranges: bytes
- [root@localhost ~]# docker container logs -f nginx02
- 192.168.1.1 - - [05/Aug/2018:19:25:38 +0000] "GET / HTTP/1.1" 304 0 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko" "-"
- 192.168.1.1 - - [05/Aug/2018:19:25:38 +0000] "GET / HTTP/1.1" 304 0 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko" "-"
- 192.168.1.101 - - [05/Aug/2018:19:26:30 +0000] "HEAD / HTTP/1.1" 200 0 "-" "curl/7.29.0" "-"
- 172.17.0.1 - - [05/Aug/2018:19:26:41 +0000] "HEAD / HTTP/1.1" 200 0 "-" "curl/7.29.0" "-"
5,port - 列出或指定容器端口映射
查看容器端口映射:
- [root@localhost ~]# docker container port nginx02
- 80/tcp -> 0.0.0.0:88
6,top - 显示一个容器运行的进程
查看容器运行进程:
- [root@localhost ~]# docker container top nginx02
- UID PID PPID C STIME TTY TIME CMD
- root 3351 3335 0 00:56 ? 00:00:00 nginx: master process nginx -g daemon off;
- 101 3391 3351 0 00:56 ? 00:00:00 nginx: worker process
7,stats - 显示容器资源使用统计
查看容器资源利用率:
- [root@localhost ~]# docker container stats --no-stream nginx02
- CONTAINER ID NAME CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS
- a5e10362acc3 nginx02 0.00% 1.383MiB / 1.566GiB 0.09% 26kB / 18.1kB 24.6kB / 4.1kB 0
8,export - 导出容器文件系统到 tar 归档文件
- docker export name/id> name.tar
- [root@localhost ~]# docker export -h
- Flag shorthand -h has been deprecated, please use --help
- Usage: docker export [OPTIONS] CONTAINER
- Export a container's filesystem as a tar archive
- Options:
- -o, --output string Write to a file, instead of STDOUT
- [root@localhost ~]# docker export nginx03>nginx03.tar
- [root@localhost ~]# docker export nginx03 -o test01
- [root@localhost ~]# du -sh test01 nginx03.tar
- 106M test01
- 106M nginx03.tar
9, 停止 / 启动 / 删除一个容器
- restart/stop/start/rm -
- [root@localhost ~]# docker container stop nginx02
- nginx02
- [root@localhost ~]# docker container rm nginx02
- nginx02
来源: http://www.bubuko.com/infodetail-2718266.html