Steps to install nginx from source code under Ubuntu 1610 ubuntu15.04 linux ubuntu 16.04

1. Download the source code:

<code>$ cd /usr/downloads
$ wget -c http://nginx.org/download/nginx-1.8.1.tar.gz
$ tar -xvf nginx-1.8.1.tar.gz
$ cd nginx-1.8.1
</code>

2. Install dependencies: pcre

1) First try to install

<code>$ cd ..
$ wget -c ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre2-10.21.tar.gz
$ tar -xvf pcre2-10.21.tar.gz
$ ./configure
$ make & make install
$ pcre2grep --help
> "error while loading shared libraries: libpcre8.so.0 cannot find"
$ ls /usr/local/lib            #查看是否存在该so文件
$ sudo /sbin/ldconfig -v   #更新共享库文件的索引
</code>

2) Perform check again:

<code>$ ./configure --with-pcre=/usr/software/pcre2-10.21     #ok
$ sudo make
> pcre.h 文件找不到
$ sudo ../pcre2-10.21/configure
## 发现 nginx 中引用的是 pcre.h，而pcre2-10.21释放的是pcre2.h, 好吧,被自己不认真给坑了
</code>

3) Switch pcre version:

<code>$ wget -c ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-8.38.zip
$ unzip pcre-8.38.zip
$ cd pcre-8.38
$ sudo ./configure
$ sudo make & make install
</code>

3. Install nginx

<code>$ cd ../nginx-1.8.1
$ sudo ./configure
$ sudo make & make install
# 一切ok
</code>

4. Configuration

* To be continued*

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The above introduces the steps to install nginx from source code under Ubuntu 1610, including ubuntu content. I hope it will be helpful to friends who are interested in PHP tutorials.