详解Linux(centos7)下安装OpenSSL安装图文方法
<p>openssl是一个开源的ssl技术，由于我需要使用php相关功能，需要获取https的文件所以必须安装这个东西了，下面我整理了两种关于openssl安装配置方法。</p>
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<strong>安装环境： </strong></p>
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操作系统：centos7安静</p>
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openssl version:openssl-1.0.2j.tar.gz</p>
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目前版本最新的ssl地址为 http://www.openssl.org/source/openssl-1.0.2j.tar.gz</p>
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1、将下载的压缩包放在根目录，</p>
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2、在文件夹下解压缩，命令：tar -xzf openssl-1.0.2j.tar.gz，得到openssl-1.0.2j文件夹</p>
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3、进入解压的目录：cd openssl-1.0.2j</p>
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4、设定openssl 安装，( --prefix )参数为欲安装之目录，也就是安装后的档案会出现在该目录下：</p>
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执行命令： ./config --prefix=/usr/local/openssl</p>
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5、执行命令./config -t</p>
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6.执行make，编译openssl</p>
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这里如果出现如下错误</p>
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make: gcc: command not found生气</p>
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<img title="详解Linux(centos7)下安装OpenSSL安装图文方法" alt="详解Linux(centos7)下安装OpenSSL安装图文方法" src="https://zhuji.jb51.net/uploads/img/202305/1af040ad0377c80883812a476767fb47.jpg"></p>
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上网查才发现我安装的centos7中没有gcc编译器</p>
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保证系统网络畅通以后，执行命令 yum -y install gcc 安装gcc（注意，一定要忘了顺畅，不然安装不了）</p>
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7、安装 openssl:make install</p>
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8、执行以下命令</p>
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<code class="bash plain"></code><code class="bash comments"># cd /usr/local</code>
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<code class="bash plain"></code><code class="bash comments"># ldd /usr/local/openssl/bin/openssl</code>
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会出现类似如下信息：</p>
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<img title="详解Linux(centos7)下安装OpenSSL安装图文方法" alt="详解Linux(centos7)下安装OpenSSL安装图文方法" src="https://zhuji.jb51.net/uploads/img/202305/eff44141020710819d3e890617bfa314.jpg"></p>
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9、查看路径</p>
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<code class="plain plain">...]# which openssl</code>
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查看版本</p>
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<code class="bash plain">...]</code><code class="bash comments"># openssl version</code>
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<img title="详解Linux(centos7)下安装OpenSSL安装图文方法" alt="详解Linux(centos7)下安装OpenSSL安装图文方法" src="https://zhuji.jb51.net/uploads/img/202305/bf3645948c6fe63cedfa7f8d76c5afee.jpg"></p>
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<strong>卸载旧版本 openssl的方法</strong></p>
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<code class="bash plain">apt-get purge openssl</code>
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<code class="bash functions">rm</code> <code class="bash plain">-rf </code><code class="bash plain">/etc/ssl</code> <code class="bash comments">#删除配置文件 </code>
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以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。</p>
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原文链接：http://blog.csdn.net/ikownyou/article/details/53021686</p>
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