7 (7/Dockerfile)7.2 (7.2/Dockerfile)7.4 (7.4/Dockerfile)7.6 (7.6/Dockerfile)7.9(7.9/Dockerfile)
基于Docker hub里centos:7（docker pull centos:7）（https://hub.docker.com/_/centos ）根据实际情况改造而成。
定制官方的Centos7 image，安装常用的一些软件
docker run -d --privileged -tid -v /sys/fs/cgroup:/sys/fs/cgroup:ro --name centos7 yfshare/centos:7
docker exec -it centos7 /bin/bash
Q1：如果在启动容器时不加--privileged -tid -v /sys/fs/cgroup:/sys/fs/cgroup:ro，将不能使用systemctl命令，报如下错误：
Failed to get D-Bus connection: Operation not permitted
A1：启动容器时，执行下面命令即可
docker run -d --privileged -tid -v /sys/fs/cgroup:/sys/fs/cgroup:ro --name centos7 yfshare/centos:7
这是官方centos docker7镜像留下来的大坑，官方说明如下：
Currently, systemd in CentOS 7 has been removed and replaced with a fakesystemd package for dependency resolution. This is due to systemd requiring the CAP_SYS_ADMIN capability, as well as being able to read the host's cgroups. If you wish to replace the fakesystemd package and use systemd normally, please follow the steps below.
原来的systemd会需要CAP_SYS_ADMIN，镜像中被换成了fakesystemd，才会出现这个问题。
Q2：启动centos 7.2镜像时，除了Q1的问题外，但会报如下错误：
bash: warning: setlocale: LC_ALL: cannot change locale (en_US.UTF-8)
/bin/sh: warning: setlocale: LC_ALL: cannot change locale (en_US.UTF-8)
A2：进入容器后执行localedef -v -c -i en_US -f UTF-8 en_US.UTF-8即可
Content type
Image
Digest
Size
508.2 MB
Last updated
over 4 years ago
docker pull yfshare/centos:7.9.2009