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拉取almalinux
bash
复制代码
docker pull almalinux:almalinux:9
编写Dockerfile1
bash
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FROM almalinux:9
MAINTAINER szktor
RUN yum install -y openssh-server sudo unzip
RUN sed -i 's/UsePAM yes/UsePAM no/g' /etc/ssh/sshd_config
RUN yum install -y openssh-clients
RUN echo "root:root" | chpasswd
RUN echo "root ALL=(ALL) ALL" >> /etc/sudoers
RUN ssh-keygen -t dsa -f /etc/ssh/ssh_host_dsa_key
RUN ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key
RUN mkdir /var/run/sshd
EXPOSE 22
CMD ["/usr/sbin/sshd", "-D"]
运行Dockerfile1
bash
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docker build -f Dockerfile1 -t 'yz/almalinux-ssh' .
注意末尾有 点