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  • 制作centos sshd 镜像

    [root@b5926410fe60 /]# yum install passwd openssl openssh-server -y
     
    启动sshd:
    # /usr/sbin/sshd -D
    这时报以下错误:
    [root@ b5926410fe60 /]# /usr/sbin/sshd
    Could not load host key: /etc/ssh/ssh_host_rsa_key
    Could not load host key: /etc/ssh/ssh_host_ecdsa_key
    Could not load host key: /etc/ssh/ssh_host_ed25519_key
     
     
    执行以下命令解决:
    [root@b5926410fe60 /]# ssh-keygen -q -t rsa -b 2048 -f /etc/ssh/ssh_host_rsa_key -N ''  
    [root@b5926410fe60 /]# ssh-keygen -q -t ecdsa -f /etc/ssh/ssh_host_ecdsa_key -N ''
    [root@b5926410fe60 /]# ssh-keygen -t dsa -f /etc/ssh/ssh_host_ed25519_key -N '' 
     
    然后,修改 /etc/ssh/sshd_config 配置信息:
    UsePAM yes 改为 UsePAM no 
    UsePrivilegeSeparation sandbox 改为 UsePrivilegeSeparation no
     
    [root@b5926410fe60 /]# sed -i "s/#UsePrivilegeSeparation.*/UsePrivilegeSeparation no/g" /etc/ssh/sshd_config
    [root@b5926410fe60 /]# sed -i "s/UsePAM.*/UsePAM no/g" /etc/ssh/sshd_config
     
    修改完后,重新启动sshd
    [root@b5926410fe60 /]# /usr/sbin/sshd -D

    制作:

    yum install -y passwd openssl openssh-server ssh-keygen -q -t rsa -b 2048 -f /etc/ssh/ssh_host_rsa_key -N ''  
    ssh-keygen -q -t ecdsa -f /etc/ssh/ssh_host_ecdsa_key -N ''
    ssh-keygen -t dsa -f /etc/ssh/ssh_host_ed25519_key -N '' 
     
    然后,修改 /etc/ssh/sshd_config 配置信息:
    UsePAM yes 改为 UsePAM no 
    UsePrivilegeSeparation sandbox 改为 UsePrivilegeSeparation no
     
    sed -i "s/#UsePrivilegeSeparation.*/UsePrivilegeSeparation no/g" /etc/ssh/sshd_config
    sed -i "s/UsePAM.*/UsePAM no/g" /etc/ssh/sshd_config
    
    更改root密码
    passwd root
    /usr/sbin/sshd -D

    Dockerfile:

    FROM centos:7.2.1511
    LABEL maintainer "zhangpengzhong@datagrand.com"
    
    RUN yum install passwd openssl openssh-server -y 
        && ssh-keygen -q -t rsa -b 2048 -f /etc/ssh/ssh_host_rsa_key -N '' 
        && ssh-keygen -q -t ecdsa -f /etc/ssh/ssh_host_ecdsa_key -N '' 
        && ssh-keygen -t dsa -f /etc/ssh/ssh_host_ed25519_key -N '' 
    
    RUN sed -i "s/#UsePrivilegeSeparation.*/UsePrivilegeSeparation no/g" /etc/ssh/sshd_config 
        && sed -i "s/UsePAM.*/UsePAM no/g" /etc/ssh/sshd_config
    
    CMD /usr/sbin/sshd -D
    
    RUN echo "root:xxxxx" |chpasswd
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  • 原文地址:https://www.cnblogs.com/mangoVic/p/7240953.html
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