Centos 在线安装 nginx
<h1 id="centos-在线安装-nginx">centos 在线安装 nginx</h1><ol>
<li>安装nginx</li>
</ol>
<p> 参考文档： http://nginx.org/en/linux_packages.html 中的RHEL/CentOS章节，按照步骤安装repository。</p>
<p></p>
<pre><code class="language-shell">sudo yum install yum-utils
sudo vi /etc/yum.repos.d/nginx.repo// 创建该文件并添加 和 的内容保存
name=nginx stable repo
baseurl=http://nginx.org/packages/centos/$releasever/$basearch/
gpgcheck=1
enabled=1
gpgkey=https://nginx.org/keys/nginx_signing.key
module_hotfixes=true
name=nginx mainline repo
baseurl=http://nginx.org/packages/mainline/centos/$releasever/$basearch/
gpgcheck=1
enabled=0
gpgkey=https://nginx.org/keys/nginx_signing.key
module_hotfixes=true
// 保存好后安装nginx的stable稳定版
sudo yum install nginx
</code></pre>
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<li>启动nginx</li>
</ol>
<pre><code class="language-shell"> sudo service nginx start
Redirecting to /bin/systemctl start nginx.service
netstat -ntlp | grep 80 // 没有netstat自己安装下 sudo yum install net-tools
tcp00 0.0.0.0:800.0.0.0:* LISTEN1589/nginx: master// nginx服务启动，并且监听在80端口
</code></pre>
<ol start="3">
<li>
<p>测试</p>
<p>在自己的电脑输入 http://ip:80, 出现以下界面则说明安装成功</p>
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<li>
<p>如果出现了访问失败，则需要在访问的电脑中进行如下检测</p>
<pre><code class="language-she">
telnet 192.168.0.101 80// 查看nginx服务器的80端口能不能访问。
</code></pre>
</li>
<li>
<p>如果不能访问80端，查看服务器 selinux和firewall 是否开启了</p>
<pre><code class="language-shell"> sudo getenforce// 查看selinux是否开启
enforcing // enforecing 则未开启了
vi /etc/selinux/config// 永久关闭selinux，打开/etc/selinux/config编辑
SELINUX = disabled // 将 SELINUX = enforcing 改为 disabled
</code></pre>
<p>可以重启服务器生效。</p>
</li>
<li>
<p>给firewalld 添加 80 端口</p>
<pre><code class="language-shell"> sudo systemctl status firewalld // 查看firewalld是否开启了
firewalld.service - firewalld - dynamic firewall daemon
Loaded: loaded (/usr/lib/systemd/system/firewalld.service; enabled; vendor preset: enabled)
Active: active (running) since Sun 2019-12-15 23:57:33 CST; 4min 36s ago
Docs: man:firewalld(1)
Main PID: 824 (firewalld)
Tasks: 2 (limit: 4912)
Memory: 35.4M
CGroup: /system.slice/firewalld.service
└─824 /usr/libexec/platform-python -s /usr/sbin/firewalld --nofork --nopid
12月 15 23:57:32 localhost.localdomain systemd: Starting firewalld - dynamic firewall daemon...
12月 15 23:57:33 localhost.localdomain systemd: Started firewalld - dynamic firewall daemon.
</code></pre>
<p>出现了上面的说明firewalld已经开启了。</p>
<pre><code class="language-she"> sudo firewall-cmd --zone=public --add-port=80/tcp --permanent//添加80端口
success
sudo systemctl restart firewalld// 重启下firewalld
</code></pre>
<p>继续测试，应该可以访问成功了。</p>
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</li>
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来源：https://www.cnblogs.com/xiangxinhouse/p/12044672.html
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