据说淘宝的Tengine很牛X，所以我们今天也来玩玩，我们这里是某开放云的vps，现在已经安装好了Nginx，现在我们要在CentOS 下平滑切换到安装Tengine。
下载Tengine，解压进入文件夹：
wget
tar xvfz tengine-2.1.0.tar.gz
cd tengine-2.1.0
查看一下当前的nginx版本：
nginx -V
运行结果如下：
nginx version: nginx/1.6.2
built by gcc 4.4.7 20120313 (Red Hat 4.4.7-4) (GCC)
TLS SNI support enabled
configure arguments: –prefix=/etc/nginx –sbin-path=/usr/sbin/nginx –conf-path=/etc/nginx/nginx.conf –error-log-path=/var/log/nginx/error.log –http-log-path=/var/log/nginx/access.log –pid-path=/var/run/nginx.pid –lock-path=/var/run/nginx.lock –http-client-body-temp-path=/var/cache/nginx/client_temp –http-proxy-temp-path=/var/cache/nginx/proxy_temp –http-fastcgi-temp-path=/var/cache/nginx/fastcgi_temp –http-uwsgi-temp-path=/var/cache/nginx/uwsgi_temp –http-scgi-temp-path=/var/cache/nginx/scgi_temp –user=nginx –group=nginx –with-http_ssl_module –with-http_realip_module –with-http_addition_module –with-http_sub_module –with-http_dav_module –with-http_flv_module –with-http_mp4_module –with-http_gunzip_module –with-http_gzip_static_module –with-http_random_index_module –with-http_secure_link_module –with-http_stub_status_module –with-http_auth_request_module –with-mail –with-mail_ssl_module –with-file-aio –with-ipv6 –with-http_spdy_module –with-cc-opt=’-O2 -g -pipe -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector –param=ssp-buffer-size=4 -m32 -march=i386 -mtune=generic -fasynchronous-unwind-tables’
然后我们复制一下下面的编译参数 configure arguments:开始一直到最后。
开始编译Tengine，运行代码：
./configure --prefix=/etc/nginx --sbin-path=/usr/sbin/nginx --conf-path=/etc/nginx/nginx.conf --error-log-path=/var/log/nginx/error.log --http-log-path=/var/log/nginx/access.log --pid-path=/var/run/nginx.pid --lock-path=/var/run/nginx.lock --http-client-body-temp-path=/var/cache/nginx/client_temp --http-proxy-temp-path=/var/cache/nginx/proxy_temp --http-fastcgi-temp-path=/var/cache/nginx/fastcgi_temp --http-uwsgi-temp-path=/var/cache/nginx/uwsgi_temp --http-scgi-temp-path=/var/cache/nginx/scgi_temp --user=nginx --group=nginx --with-http_ssl_module --with-http_realip_module --with-http_addition_module --with-http_sub_module --with-http_dav_module --with-http_flv_module --with-http_mp4_module --with-http_gunzip_module --with-http_gzip_static_module --with-http_random_index_module --with-http_secure_link_module --with-http_stub_status_module --with-http_auth_request_module --with-mail --with-mail_ssl_module --with-file-aio --with-ipv6 --with-http_spdy_module --with-cc-opt='-O2 -g -pipe -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i386 -mtune=generic -fasynchronous-unwind-tables'
结果错误，如下图所示：
./configure: error: C compiler cc is not found
主要是我们系统里面没有C语言，现在补上gcc编译环境：
yum install gcc
重新运行编译命令，依然报错：
./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=<path> option.
yum install pcre-devel
再次编译，结果如下图，缺少openssl：
./configure: error: SSL modules require the OpenSSL library.
You can either do not enable the modules, or install the OpenSSL library
into the system, or build the OpenSSL library statically from the source
with nginx by using –with-openssl=<path> option.
yum -y install openssl openssl-devel
再次编译成功，返回：
Configuration summary
+ using system PCRE library
+ using system OpenSSL library
+ md5: using OpenSSL library
+ sha1: using OpenSSL library
+ using system zlib library
+ jemalloc library is disabled
nginx path prefix: “/etc/nginx”
nginx binary file: “/usr/sbin/nginx”
nginx configuration prefix: “/etc/nginx”
nginx configuration file: “/etc/nginx/nginx.conf”
nginx pid file: “/var/run/nginx.pid”
nginx error log file: “/var/log/nginx/error.log”
nginx http access log file: “/var/log/nginx/access.log”
nginx http client request body temporary files: “/var/cache/nginx/client_temp”
nginx dso module path: “/etc/nginx/modules/”
nginx http proxy temporary files: “/var/cache/nginx/proxy_temp”
nginx http fastcgi temporary files: “/var/cache/nginx/fastcgi_temp”
nginx http uwsgi temporary files: “/var/cache/nginx/uwsgi_temp”
nginx http scgi temporary files: “/var/cache/nginx/scgi_temp”
make
make成功，则如下图所示：
nginx停止运行：
/etc/init.d/nginx stop
迁移文件：
复制objs目录下的nginx文件到/usr/sbin/nginx目录，覆盖前记得备份原来文件：
cp /usr/sbin/nginx /usr/sbin/nginx.bak
cp objs/nginx /usr/sbin/
测试一下nginx：
nginx -t
the configuration file /etc/nginx/nginx.conf syntax is ok
configuration file /etc/nginx/nginx.conf test is successful
启动nginx服务：
service nginx start
Starting nginx: [ OK ]
测试Tengine 是否成功：
我们这里输入一个不存在的页面看看报错就知道了，如下图所示：
Tegine 是兼容nginx配置文件的，所以我们原先配置好的东西就不用再麻烦去修改啦。
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