升级nginx以支持http2的方法

mv /usr/bin/openssl /usr/bin/openssl.old
mv /usr/include/openssl /usr/include/openssl.old

 wget https://www.openssl.org/source/openssl-1.1.0g.tar.gz
 tar zxvf openssl-1.1.0g.tar.gz
 cd openssl-1.1.0g/
 ./config --prefix=/usr/local/openssl shared zlib
 make depend
 make && make install 
 ln -s /usr/local/openssl/bin/openssl /usr/bin/openssl
 ln -s /usr/local/openssl/include/openssl /usr/include/openssl(首选)
 cd /usr/local/openssl/lib
 ln -s libssl.so.1.1 libcrypto.so.1.1 /lib/x86_64-linux-gnu/
 echo /usr/local/openssl/lib  /etc/ld.so.conf

openssl version
if [[ `openssl version |awk '{print $2}'` == 1.1.0g ]];then 
  echo ok
fi

wget http://nginx.org/download/nginx-1.12.2.tar.gz 

CORE_INCS="$CORE_INCS $OPENSSL/.openssl/include"
CORE_DEPS="$CORE_DEPS $OPENSSL/.openssl/include/openssl/ssl.h"
CORE_LIBS="$CORE_LIBS $OPENSSL/.openssl/lib/libssl.a"
CORE_LIBS="$CORE_LIBS $OPENSSL/.openssl/lib/libcrypto.a"

 ./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  --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-threads  --with-stream  --with-stream_ssl_module  --with-http_slice_module  --with-mail  --with-mail_ssl_module  --with-file-aio  --with-http_v2_module  --with-openssl=/usr/local/openssl

listen 443 ssl http2；

echo /usr/local/openssl/lib  /etc/ld.so.conf # 将openssl编译路径的lib库加入到/etc/ld.so.conf
ldconfig -v|grep libssl  # 检查是否添加成功

ls -l /var/cache/nginx/client_temp#检查该文件夹是否存在和文件夹的权限
mkdir -p /var/cache/nginx/client_temp #文件夹不存在则生成文件夹
chown -R www-data:www-data /var/cache/nginx/client_temp # 将文件夹所有者和组改为nginx的运行用户，具体见nginx.conf