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    centOS系统生成csr

    1.查看是否安装httpd和SSL(如果有就可以进行下一步)


    [root@localhost ~]# rpm -qa | grep httpd


    httpd-tools-2.2.15-47.el6.centos.4.x86_64

    [root@localhost ~]# rpm -qa | grep ssl

    openssl-1.0.1e-42.el6_7.4.x86_64

    openssl-devel-1.0.1e-42.el6_7.4.x86_64

    docbook-style-dsssl-1.79-10.el6.noarch

    mod_ssl-2.2.15-47.el6.centos.4.x86_64

    nss_compat_ossl-0.9.6-1.el6.x86_64


    2.生成服务器私钥(以abc.cn为例)


    [root@localhost /]# cd /opt

    [root@local opt]# openssl genrsa -out abc.cn.key 2048

    Generating RSA private key, 2048 bit long modulus

    ...............+++

    ...............+++

    e is 65537 (0x10001)


    3.用私钥server.key文件生成证书请求文件csr

    [root@local opt]# openssl req -new -out abc.cn.csr -sha256 -key abc.cn.key

    You are about to be asked to enter information that will be incorporated

    into your certificate request.


    There are quite a few fields but you can leave some blank

    For some fields there will be a default value,

    If you enter '.', the field will be left blank.

    -----

    Country Name (2 letter code) [XX]:CN #国家

    State or Province Name (full name) []:zhejiang #省份

    Locality Name (eg, city) [Default City]:hangzhou #城市

    Organization Name (eg, company) [Default Company Ltd]:22 #公司名称/个人直接填写姓名

    Organizational Unit Name (eg, section) []:22 #部门名称/个人直接填写姓名

    Common Name (eg, your name or your server's hostname) []:abc.cn #需要申请的域名

    Email Address []:22@22.cn


    Please enter the following 'extra' attributes

    to be sent with your certificate request #提示你输入一个密码,不用理他直接回车

    A challenge password []:

    An optional company name []:

    [root@local opt]#