Docker安装: https://docs.docker.com/engine/install/centos/
创建交互式容器
# 运行docker容器, 退出则容器停止运行docker run --name ubuntu-test -it ubuntu /bin/bash--name 指定名称-it 为新建的容器提供一个交互式shell# 启动容器docker start ubuntu-test# 附着到运行中的容器上, 退出则容器停止运行docker attach ubuntu-test
创建守护式容器
# 后台运行容器docker run --name ubuntu-test2 -d -p 81:80 ubuntu /bin/bash -c "while true;do echo hello world; sleep 1; done"-d 后台运行容器-p 指定端口映射(宿主机:容器)# 获取容器日志docker logs -ft ubuntu-test2-f 跟踪最新日志, 也可以写成"docker logs --tail 100f ubuntu-test2"-t 为日志加上时间戳# 查看容器内的进程docker top ubuntu-test2# 查看一个或多个容器的统计信息(CPU, 内存, 网络IO, 存储IO)docker stats ubuntu-test2 ubuntu-test3# 在容器内部运行进程# 以后台任务模式在容器内创建文件docker exec -d ubuntu-test2 touch /etc/a.txt#以交互式任务模式在容器中启动一个shelldocker exec -it ubuntu-test2 /bin/bash# 停止容器, 后接名称或IDdocker stop ubuntu-test2# 查看最近x个容器, 不论运行还是停止docker ps -n x# 删除容器docker rm ubuntu-test2# 删除所有容器, -aq 返回所有容器的ID列表docker rm `docker ps -aq`
docker日志驱动
docker run --log-driver="syslog" --name ubuntu-test3 -d ubuntu /bin/bash -c "while true;do echo hello world; sleep 1; done"--log-driver 可以指定日志驱动选项1.默认"json-file", 为docker logs提供基础2."syslog"选项, 禁用docker logs, 可以在启动Docker守护进程时指定该选项, 将所有容器日志输出都重定向到Syslog, 或者通过docker run 对个别容器进行日志重定向输出3."none"选项, 禁用所有日志
深入容器
# 获取详细的容器信息docker inspect ubuntu-test2
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# 通过-f来选定查看结果# 查看容器IPdocker inspect -f '{{.NetworkSettings.IPAddress}}' ubuntu-test2# 查看多个容器状态docker inspect -f '{{.Name}}{{.State.Running}}' ubuntu-test2 ubuntu-test3
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