大佬教程收集整理的这篇文章主要介绍了Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用),大佬教程大佬觉得挺不错的,现在分享给大家,也给大家做个参考。
Rewrite规则含义就是某个URL重写成特定的URL(类似于Redirect),从某种意义上说为了美观或者对搜索引擎友好,提高收录量及排名等。
a) 例如用户访问www.dbspread.com,想直接跳转到网站下面的某个页面,www.dbspread.com/new.index.html如何来实现呢? 我们可以使用Nginx Rewrite 来实现这个需求,具体如下:在server中加入如下语句即可:
#监听完成以后通过斜杆(</span><span style="color: #808080">/</span><span style="color: #000000">)拦截请求转发到后端的tomcat服务器
LOCATIOn </span><span style="color: #808080">/</span><span style="color: #000000">
{
#如果后端的服务器返回502、</span><span style="color: #800000; font-weight: bold">504</span><span style="color: #000000">、执行超时等错误,自动将请求转发到upstream负载均衡池中的另一台服务器,实现@R_340_10772@。
proxy_next_upstream http_502 http_504 error timeout invalid_header;
proxy_set_header Host $host; #获取客户端的主机名存到变量Host里面,从而让tomcat取到客户端机器的信息
proxy_set_header X</span><span style="color: #808080">-</span><span style="color: #0000ff">Real</span><span style="color: #808080">-</span>IP $remote_addr; #获取客户端的主机名存到变量X<span style="color: #808080">-</span><span style="color: #0000ff">Real</span><span style="color: #808080">-</span><span style="color: #000000">IP里面,从而让tomcat取到客户端机器的信息
proxy_set_header X</span><span style="color: #808080">-</span>ForWARDed<span style="color: #808080">-</span><span style="color: #0000ff">For</span><span style="color: #000000"> $proxy_add_x_forWARDed_for;
<strong><span style="color: #ff0000">rewrite </span></strong></span><strong><span style="color: #ff0000">^/$ http://www.dbspread.com/new.index.html peRMANent</span></strong><span style="color: #000000"><strong><span style="color: #ff0000">;</span></strong>
proxy_pass http:</span><span style="color: #808080">//</span><span style="color: #000000">web1; #跳转到对应的应用web1
}
}
效果图如下:
title="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" alt="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" src="https://cn.js-code.com/res/2019/02-10/10/14b200d234457e39e2a2f97daa721712.png" >
正则表达式说明:
b)例如多个域名跳转到同一个域名,nginx rewrite规则写法如下:
</span><span style="color: #0000ff">if</span> ($host <span style="color: #808080">!=</span> <span style="color: #ff0000">'</span><span style="color: #ff0000">www.dbspread.com</span><span style="color: #ff0000">'</span><span style="color: #000000"> ){
rewrite </span><span style="color: #808080">^/</span>(.<span style="color: #808080">*</span>)$ http:<span style="color: #808080">//</span>www.dbspread.com<span style="color: #808080">/</span>$<span style="color: #800000; font-weight: bold">1</span> <span style="color: #0000ff">peRMANent</span><span style="color: #000000">;
}
}
格式: rewrite
比如http://www.dbspread.com/download/av123.rmvb 这个视频下载地址被其他网站引用,比如在www.test.com的index.html引用download/av123.rmvb就叫盗链,我们要禁止这种引用就叫做防盗链
在Nginx的nginx.conf的server里面配置如下代码
}</span></pre>
Nginx动静分离是让动态网站里的动态网页根据一定规则把不变的资源和经常变的资源区分开来,动静资源做好了拆分以后,我们就可以根据静态资源的特点将其做缓存操作,这就是网站静态化处理的核心思路。
title="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" alt="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" src="https://cn.js-code.com/res/2019/02-10/10/21daeeda752a3db11660e8dd8a3dcd32.png" >
1). WEB项目开发时要注意,将静态资源尽量放在一个static文件夹2). 将static静态资源文件夹放到Nginx可以取到的位置3). 页面要建立全局变量路径,方便修改路径4). 修改nginx.conf的LOCATIOn, 匹配静态资源请求
title="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" alt="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" src="https://cn.js-code.com/res/2019/02-10/10/708e52e716182a165c55328be42008fa.png" >
欢迎来到8080端口tomcat
<span style="color: #0000ff"></<span style="color: #800000">body<span style="color: #0000ff">>#防盗链
LOCATIOn ~* \.(rmvb|jpg|png|swf|flv)$ { #rmvb|jpg|png|swf|flv表示对rmvb|jpg|png|swf|flv后缀的文件实行防盗链
valid_referers none blocked www.dbspread.com; #表示对www.dbspread.com此域名开通白名单,比如在www.test.com的index.html引用download/av123.rmvb,无效
root html/b;
if ($invalid_referer) { #如果请求不是从www.dbspread.com白名单发出来的请求,直接重定向到403.html这个页面或者返回403
#rewrite ^/ http://www.dbspread.com/403.html;
return 403;
}
}
#监听完成以后通过斜杆(/)拦截请求转发到后端的tomcat服务器
LOCATIOn /
{
#如果后端的服务器返回502、504、执行超时等错误,自动将请求转发到upstream负载均衡池中的另一台服务器,实现@R_340_10772@。
proxy_next_upstream http_502 http_504 error timeout invalid_header;
proxy_set_header Host $host; #获取客户端的主机名存到变量Host里面,从而让tomcat取到客户端机器的信息
proxy_set_header X-Real-IP $remote_addr; #获取客户端的主机名存到变量X-Real-IP里面,从而让tomcat取到客户端机器的信息
proxy_set_header X-ForWARDed-For $proxy_add_x_forWARDed_for;
#rewrite ^/$ http://www.dbspread.com/new.index.html peRMANent;#用户访问www.dbspread.com,想直接跳转到网站下面的某个页面:www.dbspread.com/new.index.html
proxy_pass http://web1; #跳转到对应的应用web1
}
# LOCATIOn ~ .*\.(php|jsp|cgi|shtml)?$ #动态分离 ~匹配 以.*结尾(以php JSP结尾走这段)
# {
# proxy_set_header Host $host;
# proxy_set_header X-Real-IP $remote_addr;
# proxy_set_header X-ForWARDed-For $proxy_add_x_forWARDed_for;
# proxy_pass http://jvm_web2;
# }
<strong><span style="color: #ff0000">#静态分离 ~匹配 以.*结尾(以html|htm|gif|jpg|jpeg|bmp|png|ico|txt|js|css结尾走这段),当然不是越久越好,如果有10000个用户在线,都保存几个月,系统托跨
LOCATIOn ~ .*\.(html|htm|gif|jpg|jpeg|bmp|png|ico|txt|js|css)$
{
root /var/local/static; #静态资源存放在Nginx的安装机器上
#proxy_pass http://www.static.com; #静态资源也可存放在远程服务器上
expires 30d; #30天之内只要访问过一次就从缓存拿
}</span></strong>
#日志级别有[debug|info|notice|warn|error|crit] error_log 级别分为 debug,info,notice,warn,error,crit 默认为crit,生产环境用error
#crit 记录的日志最少,而debug记录的日志最多
access_log /usr/local/logs/web2/access.log main;
error_log /usr/local/logs/web2/error.log crit;
}</span></pre>
title="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" alt="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" src="https://cn.js-code.com/res/2019/02-10/10/ab4f2abc6b14a4b796b658f5b45db182.png" >
Keepalived软件起初是专为LVS负载均衡软件设计的,用来管理并监控LVS集群系统中各个服务节点的状态,后来又加入了可以实现高可用的VRRP (Virtual Router Redundancy Protocol,虚拟路由器冗余协议)功能。因此,Keepalived除了能够管理LVS软件外,还可以作为其他服务(例如:Nginx、Haproxy、MySQL等)的高可用解决方案软件
管理LVS负载均衡软件实现LVS集群节点的健康检查作为系统网络服务的高可用性(failover)
Keepalived高可用服务之间的故障切换转移,是通过 VRRP 来实现的。在 Keepalived服务正常工作时,主 Master节点会不断地向备节点发送(多播的方式)心跳消息,用以告诉备BACkup节点自己还活着,当主 Master节点发生故障时,就无法发送心跳消息,备节点也就因此无法继续检测到来自主 Master节点的心跳了,于是调用自身的接管程序,接管主Master节点的 IP资源及服务。而当主 Master节点恢复时,备BACkup节点又会释放主节点故障时自身接管的IP资源及服务,恢复到原来的备用角色。
说明:keepalived的主从切换和redis的主从切换是不一样的,keepalived的主节点挂了以后,从节点变为主节点,之前的主节点恢复以后继续做主节点。redis的主节点挂了以后,重新恢复以后变为从节点
title="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" alt="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" src="https://cn.js-code.com/res/2019/02-10/10/8fa4559dd7a1b4befc08db17d68ce456.png" >
说明:
虚拟ip(VIp):192.168.152.200,对外提供服务的ip,也可称作浮动ip192.168.152.130:nginx + keepalived master 主192.168.152.129:nginx + keepalived BACkup 从192.168.152.129:tomcat-8080192.168.152.129:tomcat-8081
环境准备:
centos6、jdk
虚拟ip(VIp):192.168.152.200,对外提供服务的ip,也可称作浮动ip192.168.152.130:nginx + keepalived master 主192.168.152.129:nginx + keepalived BACkup 从192.168.152.129:tomcat-8080192.168.152.129:tomcat-8081
nginx和tomcat的环境准备请查看我的前一篇关于nginx的文章
注:192.168.152.129(keepalived从节点) 与 192.168.152.130(keepalived主节点)先安装好nginx + keepalived
下载压缩包:
wget www.keepalived.org/software/keepalived-1.3.5.tar.gz
解压缩:
tar -zxvf keepalived-1.3.5.tar.gz
进入解压缩以后的文件目录:
cd keepalived-1.3.5
编译安装:./configure --prefix=/usr/local/keepalived系统提示警告 *** WARNING - this build will not support IPVS with IPv6. Please install libnl/libnl-3 dev libraries to support IPv6 with IPVs.yum -y install libnl libnl-devel再次执行./configure --prefix=/usr/local/keepalived系统提示错误 configure: error: libnfnetlink headers missingyum install -y libnfnetlink-devel再次执行./configure --prefix=/usr/local/keepalived
make && make install
到此keepalived安装完成,
Configuration file '/etc/keepalived/keepalived.conf' is not a regular non-executable file
title="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" alt="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" src="https://cn.js-code.com/res/2019/02-10/10/f9bb8039aaaaa3f3042d2951f802c51b.png" >
安装完成后,进入安装目录的etc目录下,将keepalived相应的配置文件拷贝到系统相应的目录当中。keepalived启动时会从/etc/keepalived目录下查找keepalived.conf配置文件
@H_763_4@mkdir /etc/keepalivedcp /usr/local/keepalived/etc/keepalived/keepalived.conf /etc/keepalived
/usr/local/src/check_nginx_pid.sh
events
{
include mime.types;
default_type application
client_header_buffer_size 4k;
large_client_header_buffers <span style="color: #800000; font-weight: bold">4<span style="color: #000000"> 32k;
client_max_body_size 300m; #允许客户端请求的最大单文件字节数 上传文件时根据需求设置这个参数
sendfile <span style="color: #0000ff">on<span style="color: #000000">;
tcp_nopush <span style="color: #0000ff">on<span style="color: #000000">; #防止网络阻塞
keepalive_timeout <span style="color: #800000; font-weight: bold">60<span style="color: #000000">;
tcp_nodelay <span style="color: #0000ff">on<span style="color: #000000">; #提高数据的实时响应性
clienT_Body_buffer_size 512k; #缓冲区代理缓冲用户端请求的最大字节数(请求多)
proxy_connect_timeout <span style="color: #800000; font-weight: bold">5<span style="color: #000000">; #nginx跟后端服务器连接超时时间(代理连接超时)
proxy_read_timeout <span style="color: #800000; font-weight: bold">60<span style="color: #000000">; #连接成功后,后端服务器响应时间(代理接收超时)
proxy_send_timeout <span style="color: #800000; font-weight: bold">5<span style="color: #000000">; #后端服务器数据回传时间(代理发送超时)
proxy_buffer_size 16k; #设置代理服务器(nginx)保存用户头信息的缓冲区大小
proxy_buffers <span style="color: #800000; font-weight: bold">4<span style="color: #000000"> 64k; #proxy_buffers缓冲区,网页平均在32k以下的话,这样设置
proxy_busy_buffers_size 128k; #高负荷下缓冲大小
proxy_temp_file_write_size 128k; #设定缓存文件夹大小,大于这个值,将从upstream服务器传
gzip <span style="color: #0000ff">on<span style="color: #000000">; #NGINX可以压缩静态资源,比如我的静态资源有10M,压缩后只有2M,那么浏览器下载的就少了
gzip_min_length 1k;
gzip_buffers <span style="color: #800000; font-weight: bold">4<span style="color: #000000"> 16k;
gzip_http_version <span style="color: #800000; font-weight: bold">1.1<span style="color: #000000">;
gzip_comp_level <span style="color: #800000; font-weight: bold">2<span style="color: #000000">; #压缩级别大小,最小1,最大9.值越小,压缩后比例越小,CPU处理更快,为1时,原10M压缩完后8M,但设为9时,压缩完可能只有2M了。一般设置为2
gzip_types <span style="color: #0000ff">text<span style="color: #808080">/plain application<span style="color: #808080">/x<span style="color: #808080">-javascript <span style="color: #0000ff">text<span style="color: #808080">/css application<span style="color: #808080">/xml; #压缩类型:<span style="color: #0000ff">text<span style="color: #000000">,js css xml 都会被压缩
gzip_vary <span style="color: #0000ff">on<span style="color: #000000">; #作用是在http响应中增加一行目的是改变反向代理服务器的缓存策略
log_format main <span style="color: #ff0000">'<span style="color: #ff0000">$remote_addr - $remote_user [$time_local] "$request" <span style="color: #ff0000">'<span style="color: #000000"> #ip 远程用户 当地时间 请求URL
<span style="color: #ff0000">'<span style="color: #ff0000">$status $body_bytes_sent "$http_referer" <span style="color: #ff0000">'<span style="color: #000000"> #状态 发送的大小 响应的头
<span style="color: #ff0000">'<span style="color: #ff0000">"$http_user_agent" $request_time<span style="color: #ff0000">'<span style="color: #000000">; #客户端使用的浏览器 页面响应的时间
upstream web1 {
#ip_hash;
#转发的后端的tomcat服务器,weight表示转发的权重,越大转发的次数越多,机器性能不一样配置的weight值不一样
server </span><span style="color: #800000; font-weight: bold">192.168</span>.<span style="color: #800000; font-weight: bold">152.129</span>:<span style="color: #800000; font-weight: bold">8080</span> weight<span style="color: #808080">=</span><span style="color: #800000; font-weight: bold">1</span> max_fails<span style="color: #808080">=</span><span style="color: #800000; font-weight: bold">2</span> fail_timeout<span style="color: #808080">=</span><span style="color: #000000">30s;
server </span><span style="color: #800000; font-weight: bold">192.168</span>.<span style="color: #800000; font-weight: bold">152.129</span>:<span style="color: #800000; font-weight: bold">8081</span> weight<span style="color: #808080">=</span><span style="color: #800000; font-weight: bold">1</span> max_fails<span style="color: #808080">=</span><span style="color: #800000; font-weight: bold">2</span> fail_timeout<span style="color: #808080">=</span><span style="color: #000000">30s;
}
upstream web2 {
server <span style="color: #800000; font-weight: bold">192.168.<span style="color: #800000; font-weight: bold">152.129:<span style="color: #800000; font-weight: bold">8090 weight<span style="color: #808080">=<span style="color: #800000; font-weight: bold">1 max_fails<span style="color: #808080">=<span style="color: #800000; font-weight: bold">2 fail_timeout<span style="color: #808080">=<span style="color: #000000">30s;
server <span style="color: #800000; font-weight: bold">192.168.<span style="color: #800000; font-weight: bold">152.129:<span style="color: #800000; font-weight: bold">8091 weight<span style="color: #808080">=<span style="color: #800000; font-weight: bold">1 max_fails<span style="color: #808080">=<span style="color: #800000; font-weight: bold">2 fail_timeout<span style="color: #808080">=<span style="color: #000000">30s;
}
server {
listen <span style="color: #800000; font-weight: bold">80<span style="color: #000000">; #监听80端口
server_name www.dbspread.com; #域名
</span><span style="color: #0000ff">index</span> <span style="color: #0000ff">index</span>.jsp <span style="color: #0000ff">index</span>.html <span style="color: #0000ff">index</span><span style="color: #000000">.htm;
root </span><span style="color: #808080">/</span>usr<span style="color: #808080">/</span>local<span style="color: #808080">/</span>nginx<span style="color: #808080">/</span><span style="color: #000000">html; #定义服务器的默认网站根目录位置
#重定向
</span><span style="color: #0000ff">if</span> ($host <span style="color: #808080">!=</span> <span style="color: #ff0000">'</span><span style="color: #ff0000">www.dbspread.com</span><span style="color: #ff0000">'</span><span style="color: #000000"> ){
rewrite </span><span style="color: #808080">^/</span>(.<span style="color: #808080">*</span>)$ http:<span style="color: #808080">//</span>www.dbspread.com<span style="color: #808080">/</span>$<span style="color: #800000; font-weight: bold">1</span> <span style="color: #0000ff">peRMANent</span><span style="color: #000000">;
}
#防盗链
LOCATIOn </span><span style="color: #808080">~*</span> \.(rmvb<span style="color: #808080">|</span>jpg<span style="color: #808080">|</span>png<span style="color: #808080">|</span>swf<span style="color: #808080">|</span>flv)$ { #rmvb<span style="color: #808080">|</span>jpg<span style="color: #808080">|</span>png<span style="color: #808080">|</span>swf<span style="color: #808080">|</span>flv表示对rmvb<span style="color: #808080">|</span>jpg<span style="color: #808080">|</span>png<span style="color: #808080">|</span>swf<span style="color: #808080">|</span><span style="color: #000000">flv后缀的文件实行防盗链
valid_referers none blocked www.dbspread.com; #表示对www.dbspread.com此域名开通白名单,比如在www.test.com的index.html引用download</span><span style="color: #808080">/</span><span style="color: #000000">av123.rmvb,无效
root html</span><span style="color: #808080">/</span><span style="color: #000000">b;
</span><span style="color: #0000ff">if</span><span style="color: #000000"> ($invalid_referer) { #如果请求不是从www.dbspread.com白名单发出来的请求,直接重定向到403.html这个页面或者返回403
#rewrite </span><span style="color: #808080">^/</span> http:<span style="color: #808080">//</span>www.dbspread.com<span style="color: #808080">/</span><span style="color: #800000; font-weight: bold">403</span><span style="color: #000000">.html;
</span><span style="color: #0000ff">return</span> <span style="color: #800000; font-weight: bold">403</span><span style="color: #000000">;
}
}
#监听完成以后通过斜杆(</span><span style="color: #808080">/</span><span style="color: #000000">)拦截请求转发到后端的tomcat服务器
LOCATIOn </span><span style="color: #808080">/</span><span style="color: #000000">
{
#如果后端的服务器返回502、</span><span style="color: #800000; font-weight: bold">504</span><span style="color: #000000">、执行超时等错误,自动将请求转发到upstream负载均衡池中的另一台服务器,实现@R_340_10772@。
proxy_next_upstream http_502 http_504 error timeout invalid_header;
proxy_set_header Host $host; #获取客户端的主机名存到变量Host里面,从而让tomcat取到客户端机器的信息
proxy_set_header X</span><span style="color: #808080">-</span>ForWARDed<span style="color: #808080">-</span><span style="color: #0000ff">For</span><span style="color: #000000"> $proxy_add_x_forWARDed_for;
#rewrite </span><span style="color: #808080">^/</span>$ http:<span style="color: #808080">//</span>www.dbspread.com<span style="color: #808080">/</span>new.<span style="color: #0000ff">index</span>.html <span style="color: #0000ff">peRMANent</span>;#用户访问www.dbspread.com,想直接跳转到网站下面的某个页面:www.dbspread.com<span style="color: #808080">/</span>new.<span style="color: #0000ff">index</span><span style="color: #000000">.html
proxy_pass http:</span><span style="color: #808080">//</span><span style="color: #000000">web1; #跳转到对应的应用web1
}
# LOCATIOn </span><span style="color: #808080">~</span> .<span style="color: #808080">*</span>\.(php<span style="color: #808080">|</span>jsp<span style="color: #808080">|</span>cgi<span style="color: #808080">|</span>shtml)?$ #动态分离 <span style="color: #808080">~</span>匹配 以.<span style="color: #808080">*</span><span style="color: #000000">结尾(以php JSP结尾走这段)
# {
# proxy_set_header Host $host;
# proxy_set_header X</span><span style="color: #808080">-</span><span style="color: #0000ff">Real</span><span style="color: #808080">-</span><span style="color: #000000">IP $remote_addr;
# proxy_set_header X</span><span style="color: #808080">-</span>ForWARDed<span style="color: #808080">-</span><span style="color: #0000ff">For</span><span style="color: #000000"> $proxy_add_x_forWARDed_for;
# proxy_pass http:</span><span style="color: #808080">//</span><span style="color: #000000">jvm_web2;
# }
#静态分离 </span><span style="color: #808080">~</span>匹配 以.<span style="color: #808080">*</span>结尾(以html<span style="color: #808080">|</span>htm<span style="color: #808080">|</span>gif<span style="color: #808080">|</span>jpg<span style="color: #808080">|</span>jpeg<span style="color: #808080">|</span>bmp<span style="color: #808080">|</span>png<span style="color: #808080">|</span>ico<span style="color: #808080">|</span>txt<span style="color: #808080">|</span>js<span style="color: #808080">|</span><span style="color: #000000">css结尾走这段),当然不是越久越好,如果有10000个用户在线,都保存几个月,系统托跨
LOCATIOn </span><span style="color: #808080">~</span> .<span style="color: #808080">*</span>\.(html<span style="color: #808080">|</span>htm<span style="color: #808080">|</span>gif<span style="color: #808080">|</span>jpg<span style="color: #808080">|</span>jpeg<span style="color: #808080">|</span>bmp<span style="color: #808080">|</span>png<span style="color: #808080">|</span>ico<span style="color: #808080">|</span>txt<span style="color: #808080">|</span>js<span style="color: #808080">|</span><span style="color: #000000">css)$
{
root </span><span style="color: #808080">/</span><span style="color: #ff00ff">var</span><span style="color: #808080">/</span>local<span style="color: #808080">/</span><span style="color: #000000">static; #静态资源存放在Nginx的安装机器上
#proxy_pass http:</span><span style="color: #808080">//</span><span style="color: #000000">www.static.com; #静态资源也可存放在远程服务器上
expires 30d;
}
#日志级别有</span><span style="color: #ff0000">[</span><span style="color: #ff0000">debug|info|notice|warn|error|crit</span><span style="color: #ff0000">]</span><span style="color: #000000"> error_log 级别分为 debug,而debug记录的日志最多
access_log </span><span style="color: #808080">/</span>usr<span style="color: #808080">/</span>local<span style="color: #808080">/</span>logs<span style="color: #808080">/</span>web2<span style="color: #808080">/</span>access.<span style="color: #ff00ff">log</span><span style="color: #000000"> main;
error_log </span><span style="color: #808080">/</span>usr<span style="color: #808080">/</span>local<span style="color: #808080">/</span>logs<span style="color: #808080">/</span>web2<span style="color: #808080">/</span>error.<span style="color: #ff00ff">log</span><span style="color: #000000"> crit;
}
}
到这一步环境准备已完成,相关的配置也修改完成,下面我们来查看效果
192.168.152.200 www.dbspread.com
paddress配置的虚拟ip
启动命令:/usr/local/keepalived/sbin/keepalived
title="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" alt="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" src="https://cn.js-code.com/res/2019/02-10/10/a5ad3190926972fa4c2fc42347ded950.png" >
可以看到keepalived和nginx都启动了
在浏览器输入www.dpspread.com域名访问
title="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" alt="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" src="https://cn.js-code.com/res/2019/02-10/10/21a5f2f49db5bfd199d3189677fbcf23.png" >
title="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" alt="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" src="https://cn.js-code.com/res/2019/02-10/10/e4523bf6fa0ff3a37accca41847d6a2a.png" >
可以看到从节点变为主节点了
title="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" alt="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" src="https://cn.js-code.com/res/2019/02-10/10/1297df2d70e66d6da7a3740df4626e8c.png" >
在浏览器输入地址www.dpspread.com访问,可以看到访问正常
title="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" alt="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" src="https://cn.js-code.com/res/2019/02-10/10/fe25a2785342c7121ce4635d4fe2411b.png" >
title="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" alt="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" src="https://cn.js-code.com/res/2019/02-10/10/804fcd55c514e9558622ef81332a68ed.png" >
可以看到主节点重新启动以后变为主节点了
title="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" alt="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" src="https://cn.js-code.com/res/2019/02-10/10/20dd62f41871eaf853f380539d70f9d3.png" >
之前变为主节点的从节点又变回从节点了
title="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" alt="Nginx系列二:(Nginx Rewrite 规则、Nginx 防盗链、Nginx 动静分离、Nginx+keepalived 实现高可用)" src="https://cn.js-code.com/res/2019/02-10/10/642af82912d8d66668ecde2d4a52d07c.png" >
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