docker容器端口映射
发布docker容器的web服务查看本地镜像
https://s1.运维网.com/images/blog/201804/12/e5fd2c60a433aa21f42da289b155c217.png
将镜像启动为容器 new_centos
# docker run --name new_centos -itd centos /bin/bash
进入容器 new_centos中安装vim,epel-release,net-tools,nginx，启动nginx时报错
https://s1.运维网.com/images/blog/201804/12/81cd815b0b9171726386ca555c304fde.png
将容器 new_centos 打包成镜像
# docker commit new_centos centos:nginx
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容器映射，进入到容器里，再次启动nginx
# docker run -itd --privileged -e "container=docker" -p 8080:80 centos:nginx /usr/sbin/init
1fa78208c57109cb501c18a176dd9fb2f77620e3285100628f86c21e0cfc887f
# docker exec -it 1fa78208c5 /bin/bash
# systemctl start nginx
在浏览器中访问容器
https://s1.运维网.com/images/blog/201804/12/ae8c65a4c96dfe54d985e8498f453235.png
发布docker容器的sshd服务
# docker run -itd centos
d2b2f907f72ce7bf1143e79315ad41352db1d5924c1487baf6e6892d1384e6cd
# docker exec -it d2b2f907f72c bash
# yum install openssh openssh-clients openssh-server -y
# exit
# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
d2b2f907f72c centos "/bin/bash" 3 minutes ago Up 3 minutes pedantic_johnson
1fa78208c571 centos:nginx "/usr/sbin/init" 41 minutes ago Up 41 minutes 0.0.0.0:8080->80/tcp stupefied_chandrasekhar
# docker commit d2b2f907f72c centos:sshd
sha256:97b04b37ef07a8f8bd8ef44f97a9d9886ef3e9f5f64be5d6ae028ec351fc219a
https://s1.运维网.com/images/blog/201804/12/5f5320b27bf65ff9c701e7d1bb9b2009.png
# docker run -itd --privileged -p 9000:22 centos:sshd /usr/sbin/init
e7eb5afce1f9c3b294fdfa30e6d99d3c6b42e67b869077ac0f23d47f5348fbfb
# docker exec -it e7eb5afc bash
# systemctl start sshd
# passwd
Changing password for user root.
New password:
BAD PASSWORD: The password is shorter than 8 characters
Retype new password:
passwd: all authentication tokens updated successfully.
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