1、官網下載安裝包
選擇適合linux的版本，這里選擇最新的版本，下載到本地后上傳到服務器或者centos下直接wget命令下載。
切換到/usr/local目錄，下載軟件包
#?cd?/usr/local #?wget?http://nginx.org/download/nginx-1.11.5.tar.gz
2、安裝nginx
先執行以下命令，安裝nginx依賴庫,如果缺少依賴庫，可能會安裝失敗，具體可以參考文章后面的錯誤提示信息。
#?yum?install?gcc-c++ #?yum?install?pcre #?yum?install?pcre-devel #?yum?install?zlib? #?yum?install?zlib-devel #?yum?install?openssl #?yum?install?openssl-devel
解壓安裝包
#?tar?-zxvf?nginx-1.11.5.tar.gz
nginx被解壓到了/usr/local/nginx-1.11.5 目錄下（不要把壓縮包解壓到/usr/local/nginx目錄下，或者將解壓后的目錄重命名為nginx，因為nginx會默認安裝到/usr/local/nginx目錄下），切換到nginx-1.11.5/目錄
#?cd?/usr/local/nginx-1.11.5/
執行# ./configure
#?./configure
該操作會檢測當前系統環境，以確保能成功安裝nginx，執行該操作后可能會出現以下幾種提示：
????checking for os
?????+ linux 3.10.0-123.el7.x86_64 x86_64
????checking for c compiler … not found
????./configure: error: c compiler cc is not found
????如果出現以上錯誤提示信息，執行yum install gcc-c++安裝gcc，
????./configure: error: the http rewrite module requires the pcre library.
????you can either disable the module by using –without-http_rewrite_module
????option, or install the pcre library into the system, or build the pcre library
????statically from the source with nginx by using –with-pcre=
????如果出現上面提示，表示缺少pcre庫
????./configure: error: the http gzip module requires the zlib library.
????you can either disable the module by using –without-http_gzip_module
????option, or install the zlib library into the system, or build the zlib library
????statically from the source with nginx by using –with-zlib=
????如果出現以上提示，表示缺少zlib庫
?如果沒有出現./configure: error提示，表示當前環境可以安裝nginx，執行make和make install編譯nginx
#?make #?make?install
沒有出錯的話，表示nginx已經成功安裝完成，默認安裝位置為/usr/local/nginx,之前的/usr/local/nginx-1.11.5/可以刪除掉了。
如果出現cp: ‘conf/koi-win’ and ‘/usr/local/nginx/conf/koi-win’ are the same file，可能是你把安裝包解壓到了/usr/local/nginx目錄，解決辦法是將該目錄重命名為其他名稱后再執行make,make install.
3、配置nginx開機啟動
切換到/lib/systemd/system/目錄，創建nginx.service文件vim nginx.service
#?cd?/lib/systemd/system/ #?vim?nginx.service
文件內容如下：
[unit] description=nginx? after=network.target? ? [service]? type=forking? execstart=/usr/local/nginx/sbin/nginx execreload=/usr/local/nginx/sbin/nginx?reload execstop=/usr/local/nginx/sbin/nginx?quit privatetmp=true? ? [install]? wantedby=multi-user.target
退出并保存文件，執行systemctl enable nginx.service使nginx開機啟動
#?systemctl?enable?nginx.service
systemctl start nginx.service????啟動nginx
systemctl stop nginx.service????結束nginx
systemctl restart nginx.service????重啟nginx
4、驗證是否安裝成功
輸入http://服務器ip/?如果能看到nginx的界面，就表示安裝成功了
