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Tue, 27 May 2014 09:52:00 GMT

查看安装�?ji��n)哪些模块命令�?x��)

[root@RG-PowerCache-X xcache]# nginx/sbin/nginx -V
nginx version: nginx/1.2.3
built by gcc 4.4.7 20120313 (Red Hat 4.4.7-3) (GCC)
TLS SNI support enabled
configure arguments: --prefix=/opt/xcache/nginx --with-ipv6 --with-http_ssl_module --with-http_stub_status_module --with-http_flv_module --with-http_mp4_module --without-http_ssi_module --without-http_userid_module --without-http_auth_basic_module --without-http_autoindex_module --without-http_geo_module --without-http_map_module --without-http_map_module --without-http_memcached_module --without-http_referer_module --without-http_empty_gif_module --without-http_browser_module --with-http_secure_link_module --with-sha1=auto/lib/sha1 --http-client-body-temp-path=/opt/xcache/nginx/tmp/client_body --http-proxy-temp-path=/opt/xcache/nginx/tmp/proxy --http-fastcgi-temp-path=/opt/xcache/nginx/tmp/fastcgi --http-uwsgi-temp-path=/opt/xcache/nginx/tmp/uwsgi --http-scgi-temp-path=/opt/xcache/nginx/tmp/scgi --pid-path=/var/run/nginx.pid --lock-path=/var/lock/subsys/nginx --with-cc-opt='-O2 -g' --add-module=./src/nginx-accesskey-2.0.3

查看nginx 版本号命令：(x��)

[root@RG-PowerCache-X xcache]# nginx/sbin/nginx -v
nginx version: nginx/1.2.3

��一败涂�?/a> 2014-05-27 17:52 发表评论

linux安装nginx

Mon, 12 May 2014 15:13:00 GMT

1、下载nginx

wget http://nginx.org/download/nginx-1.6.0.tar.gz

2、解�?br />

tar zxvf nginx-1.6.0.tar.gz

�q�入nginx目录�Q�cd nginx-1.6.0

3、配�|?br />

./configure

配置�q�程中可能会(x��)报如下错误：(x��)

checking for PCRE library  not found
checking for PCRE library in /usr/local/  not found  checking for PCRE library in /usr/include/pcre/  not found  checking for PCRE library in /usr/pkg/  not found  checking for PCRE library in /opt/local/  not found
./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.

解决办法�Q�下载pcre库，�q�编译和安装�Q?br />

PCRE库是实现Perl正则表达式的基础。如果系�l�中�~�少此库需要编译安装。可以从著名的开源��Y件网站sourceforge上下载：(x��)
http://sourceforge.net/projects/pcre/files/pcre/�?/span>

仍然是下载后解压、配�|�、编译和安装�Q?br />
[***]tar -zxvf pcre-8.35.tar.gz

[***]cd pcre-8.35

[***]./configure

[***]make

[***]make install

4、编译与安装nginx

make

make install

5、启动nginx

/usr/local/nginx/sbin/nginx

注：(x��)�?4位系�l�上启动时有可能报如下错误：(x��)

Nginx: error while loading shared libraries: libpcre.so.1

解决办法如下�Q?br />

ln -s /usr/local/lib/libpcre.so.1 /lib64/libpcre.so.1

再将启动卛_��?br />
6、查看是否启动成�?br />

[root@localhost ~]# ps -aef | grep nginx
root     28295     1  0 22:52 ?        00:00:00 nginx: master process /usr/local/nginx/sbin/nginx
nobody   28296 28295  0 22:52 ?        00:00:00 nginx: worker process
root     28615 28587  0 23:09 pts/0    00:00:00 grep nginx
[root@localhost ~]#

启动成功�Q�master是主�q�程�Q�关闭的时候kill�q�个�q�程�Q�其他子�q�程�?x��)自动关�?

打开��览器http://localhost/ 卛_��看到nginx的默认欢�q�页
Welcome to nginx!

��一败涂�?/a> 2014-05-12 23:13 发表评论

Varnish Error 503 Backend fetch failed

Fri, 25 Apr 2014 07:12:00 GMT

讉K��Varnish代理的资源，前几天还能正常访问，�H�然有一天，不能讉K��?ji��n)，报错如下�Q?div>Error 503 Backend fetch failed

�l�查�Q�原因是后端的应用服务器的防火墙屏蔽�?ji��n)Varnish的访问�?/div>

��一败涂�?/a> 2014-04-25 15:12 发表评论

Varnish4.0语法变迁列表

Wed, 23 Apr 2014 09:07:00 GMT

1、req.backend    -->    req.backend_hint
2、req.request    -->    req.method
3、lookup    -->    hash
4、vcl_fetch    -->    vcl_backend_response
5�?beresp.cacheable    -->    beresp.uncacheable

另外�Q�在vcl_backend_response配置中，req必须修改为bereq�?br />

��一败涂�?/a> 2014-04-23 17:07 发表评论

如何让varnish启动时��用自定义的varnish配置文�g

Tue, 22 Apr 2014 09:57:00 GMT

CentOS中方法如下：(x��)
vi /etc/sysconfig/varnish

修改如下部分中的-f参数值即可：(x��)

DAEMON_OPTS="-a :80 \
             -T localhost:6082 \
             -f /etc/varnish/default.vcl \
             -S /etc/varnish/secret \
             -s malloc,256m"

��一败涂�?/a> 2014-04-22 17:57 发表评论

Varnish4.0 rpm安装

Tue, 22 Apr 2014 09:29:00 GMT

Redhat�q�_��Q�varnish推荐使用RPM方式�q�行安装�Q�官方安装指南：(x��)

https://www.varnish-cache.org/docs/4.0/installation/index.html

步骤�Q?br />1、安装varnish所需lib�Q?br />

rpm --nosignature -i http://repo.varnish-cache.org/redhat/varnish-4.0/el6/x86_64/varnish/varnish-libs-4.0.0-1.el6.x86_64.rpm

2、安装jemalloc�Q�库文�g可到此链接处下蝲�Q�ftp-hk.tmapy.cz/fedora/epel/6/x86_64/jemalloc-3.6.0-1.el6.i686.rpm

rpm --nosignature -i http://ftp-hk.tmapy.cz/fedora/epel/6/x86_64/jemalloc-3.6.0-1.el6.x86_64.rpm

3、开始安装，

rpm --nosignature -i http://repo.varnish-cache.org/redhat/varnish-4.0/el6/x86_64/varnish/varnish-4.0.0-1.el6.x86_64.rpm

安装完成后，启动varnish�Q?br />

service varnish start

��一败涂�?/a> 2014-04-22 17:29 发表评论

Tue, 24 Dec 2013 02:20:00 GMT

实现key讉K��限制�Q�nginx通过accessKey来实现�?br />具体参考：(x��)

http://www.lamppr.com/node/620

实现链接的超时失效策略，nginx通过Secure Link来实现�?br />具体参考：(x��)

http://www.xsdou.com/1734.html

�׃��|�上说的实现代码都是��Z��PHP的，所以在�q�我用JAVA实现�?ji��n)下�?br />

php
$secret = 'password'; # 密钥
$path = '/download/she.flv'; # 下蝲文�g
$ipkey= md5("password".$_SERVER['REMOTE_ADDR']); #加密IP
# 下蝲到期旉��,time是当前时�?300表示300�U?也就是说从现在到300�U�之内文件不�q�期
$expire = time()+300;
# 用文件�\径、密钥、过期时间生成加密串
$md5 = base64_encode(md5($secret . $path . $expire, true));
$md5 = strtr($md5, '+/', '-_');
$md5 = str_replace('=', '', $md5);
# 加密后的下蝲地址
echo ''.$ipkey.'&st='.$md5.'&e='.$expire.'>she.flv';
echo '
http://s1.xsdou.com/download/she.flv?key='.$ipkey.'&st='.$md5.'&e='.$expire;
?>

public static void main(String[] args) {
        String secret = "password";
        String path = "/mp4files/1162000000062C6B/221.194.64.19/2/45a594b6938698f63b5771c12ff5b912.mp4";
        String expire = String.valueOf(System.currentTimeMillis() / 1000 + 600);
        String remoteIp = "192.168.1.145";

        String ipkey = DigestUtils.md5Hex(secret + remoteIp);
        String st = new sun.misc.BASE64Encoder().encode(DigestUtils.md5(secret + path + expire)).replaceAll("\\+/", "-_").replaceAll("=", "");

        System.out.println("ipkey: " + ipkey);
        System.out.println("st: " + st);
        System.out.println("e: " + expire);
    }

��一败涂�?/a> 2013-12-24 10:20 发表评论

Sun, 22 Dec 2013 14:53:00 GMT

�Ҏ(gu��)��1�Q?br />

killall nginx
nginx/sbin/nginx

�Ҏ(gu��)��2�Q?br />

nginx -s reload

��一败涂�?/a> 2013-12-22 22:53 发表评论