Docker

install

yum install epel -release -y
yum install epel - release -y
yum install docker* -y

sudo groupadd docker
sudo gpasswd -a $USER docker
systemctl start docker

delete docker

yum remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-selinux \
docker-engine-selinux \
docker-engine

rm -rf /etc/systemd/system/docker.service.d
rm -rf /var/lib/docker
rm -rf /var/run/docker

docker image inspect --format='{{.RepoTags}} {{.Id}} {{.Parent}}' $(docker image ls -q --filter since=id)

Docker容器使用问题：Failed to get D-Bus connection: Operation not permitted

在CentOS7 中，docker容器中yum 安装完httpd后，启动报错
solution:
docker run -d --privileged=true centos /usr/sbin/init
docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
eb15fd7394b2 centos "/usr/sbin/init" 34 seconds ago Up 34 seconds adoring_wing
47befe1d257f centos "/usr/sbin/init" 4 minutes ago Up 4 minutes clever_saha
9df39d797532 centos "/usr/sbin/init" 5 minutes ago Up 5 minutes amazing_wing
0e2a069279b0 centos "/usr/sbin/init" 7 minutes ago Up 7 minutes jolly_volhar
docker exec -it eb15fd7394b2 /bin/bash
systemctl start httpd

docker push

docker login
docker images
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
eb15fd7394b2 40791e75c081 "/usr/sbin/init" 25 minutes ago Up 25 minutes adoring_wing
47befe1d257f 40791e75c081 "/usr/sbin/init" 29 minutes ago Up 29 minutes clever_saha
9df39d797532 40791e75c081 "/usr/sbin/init" 29 minutes ago Up 29 minutes amazing_wing
0e2a069279b0 40791e75c081 "/usr/sbin/init" 32 minutes ago Up 32 minutes jolly_volhar
docker tag 40791e75c081 dunksky/centos:v1
docker push dunksky/centos:v1