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nginx负载均衡+keepalive心跳检测
环境标准：
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内核：2.6.32-642.el6.x86_64
系统：CentOS release 6.8 (Final)
ip：
web01:10.0.0.8 nginx 解析手机端 均做了nginx的负载均衡但是只均衡一台机器可以后续往里填
web02:10.0.0.200 nginx 解析电脑端 均做了nginx的负载均衡但是只均衡一台机器可以后续往里填
lb01:10.0.0.201 nginx 负载均衡lb01 主负载均衡
lb02:10.0.0.31 nginx 负载均衡lb02 备的负载均衡
vip:10.0.0.5(虚拟) keepalive 虚拟路由冗余 保证负载均衡存在解决单点问题
存放目录：/home/oldboy/tools/
安装目录：/application/
运行用户：www
脚本目录：/server/script(在这里暂时没有使用脚本)
ip功能介绍：
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web01：
第一个里程碑：部署配置nginx
1.mkdir -p /home/oldboy/tools
2.cd /home/oldboy/tools
3.wget http://nginx.org/download/nginx-1.10.2.tar.gz
4.useradd -s /sbin/nologin -M www
5. tar xf nginx-1.10.2.tar.gz
6.cd nginx-1.10.2
7.yum install -y pcre-devel openssl-devel
8.yum install gcc-c++ -y
9. ./configure --user=www --group=www --prefix=/application/nginx-1.10.2 --with-http_stub_status_module --with-http_ssl_module
10.make && make install
11.ln -s /application/nginx-1.10.2 /application/nginx
12.vim /application/nginx/config/nginx.conf
===================================================
worker_processes 1;
events {
worker_connections 1024;
}
http {
include mime.types;
default_type application/octet-stream;
sendfile on;
keepalive_timeout 65;
log_format main ‘$remote_addr - $remote_user [$time_local] "$request" ‘
‘$status $body_bytes_sent "$http_referer" ‘
‘"$http_user_agent" "$http_x_forwarded_for"‘;
access_log logs/access.log main;
include extra/blog.conf;
}
===================================================
13.mkdir /application/nginx/config/extra
14.vim /application/nginx/config/extra/blog.conf
====================================================
server {
listen 80;
server_name blog.ls.com;
location / {
root html/blog;
index index.php gen.html index.html index.htm;
}
location ~ .*\.(php|php5)?$ {
root html/blog;
fastcgi_pass 127.0.0.1:9000;
fastcgi_index index.php;
include fastcgi.conf;
}
}
=====================================================
15.mkdir /application/nginx/html/blog
16.echo "hello word!!! i am web01" > /application/nginx/html/blog/index.html
17. /application/nginx/sbin/nginx -t
18. /application/nginx/sbin/nginx
第二个里程碑：测试
[root@test html]# curl 10.0.0.8
hello web01
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web02：
第一个里程碑：部署配置nginx
1.mkdir -p /home/oldboy/tools
2.cd /home/oldboy/tools
3.wget http://nginx.org/download/nginx-1.10.2.tar.gz
4.useradd -s /sbin/nologin -M www
5. tar xf nginx-1.10.2.tar.gz
6.cd nginx-1.10.2
7.yum install -y pcre-devel openssl-devel
8.yum install gcc-c++ -y
9. ./configure --user=www --group=www --prefix=/application/nginx-1.10.2 --with-http_stub_status_module --with-http_ssl_module
10.make && make install
11.ln -s /application/nginx-1.10.2 /application/nginx
12.vim /application/nginx/config/nginx.conf
=========================================================
worker_processes 1;
events {
worker_connections 1024;
}
http {
include mime.types;
default_type application/octet-stream;
sendfile on;
keepalive_timeout 65;
log_format main ‘$remote_addr - $remote_user [$time_local] "$request" ‘
‘$status $body_bytes_sent "$http_referer" ‘
‘"$http_user_agent" "$http_x_forwarded_for"‘;
access_log logs/access.log main;
include extra/blog.conf;
}
=========================================================
15.mkdir /application/nginx/html/blog
16.echo "hello word!!! i am web02" > /application/nginx/html/blog/index.html
17. /application/nginx/sbin/nginx -t
18. /application/nginx/sbin/nginx
第二个里程碑：测试
[root@test html]# curl 10.0.0.200
hello web02
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lb01：
第一个里程碑：部署配置nginx
1.mkdir -p /home/oldboy/tools
2.cd /home/oldboy/tools
3.wget http://nginx.org/download/nginx-1.10.2.tar.gz
4.useradd -s /sbin/nologin -M www
5. tar xf nginx-1.10.2.tar.gz
6.cd nginx-1.10.2
7.yum install -y pcre-devel openssl-devel
8.yum install gcc-c++ -y
9. ./configure --user=www --group=www --prefix=/application/nginx-1.10.2 --with-http_stub_status_module --with-http_ssl_module
10.make && make install
11.ln -s /application/nginx-1.10.2 /application/nginx
12.vim /application/nginx/config/nginx.conf
=========================================================
worker_processes 1;
events {
worker_connections 1024;
}
http {
include mime.types;
default_type application/octet-stream;
sendfile on;
keepalive_timeout 65;
log_format main ‘$remote_addr - $remote_user [$time_local] "$request" ‘
‘$status $body_bytes_sent "$http_referer" ‘
‘"$http_user_agent" "$http_x_forwarded_for"‘;
access_log logs/access.log main;
upstream dn {
server 10.0.0.8;
}
upstream sj {
server 10.0.0.200;
}
server {
listen 80;
server_name blog.ls.com;
location / {
if ( $http_user_agent ~* ‘curl‘ )
{
proxy_pass http://dn;
}
proxy_pass http://sj;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_set_header Host $host;
}
}
}
=========================================================
13. /application/nginx/sbin/nginx -t
14. /application/nginx/sbin/nginx
第二个里程碑：测试
[root@test html]# curl 10.0.0.201
hello web02
[root@test html]# curl 10.0.0.201
hello web01
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lb02：
第一个里程碑：部署配置nginx
1.mkdir -p /home/oldboy/tools
2.cd /home/oldboy/tools
3.wget http://nginx.org/download/nginx-1.10.2.tar.gz
4.useradd -s /sbin/nologin -M www
5. tar xf nginx-1.10.2.tar.gz
6.cd nginx-1.10.2
7.yum install -y pcre-devel openssl-devel
8.yum install gcc-c++ -y
9. ./configure --user=www --group=www --prefix=/application/nginx-1.10.2 --with-http_stub_status_module --with-http_ssl_module
10.make && make install
11.ln -s /application/nginx-1.10.2 /application/nginx
12.vim /application/nginx/config/nginx.conf
=========================================================
worker_processes 1;
events {
worker_connections 1024;
}
http {
include mime.types;
default_type application/octet-stream;
sendfile on;
keepalive_timeout 65;
log_format main ‘$remote_addr - $remote_user [$time_local] "$request" ‘
‘$status $body_bytes_sent "$http_referer" ‘
‘"$http_user_agent" "$http_x_forwarded_for"‘;
access_log logs/access.log main;
upstream dn {
server 10.0.0.8;
}
upstream sj {
server 10.0.0.200;
}
server {
listen 80;
server_name blog.ls.com;
location / {
if ( $http_user_agent ~* ‘curl‘ )
{
proxy_pass http://dn;
}
proxy_pass http://sj;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_set_header Host $host;
}
}
}
=========================================================
13. /application/nginx/sbin/nginx -t
14. /application/nginx/sbin/nginx
第二个里程碑：测试
[root@test html]# curl 10.0.0.31
hello web02
[root@test html]# curl 10.0.0.31
hello web01
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lb01：keepalive
yum install keepalived -y
vim /etc/keepalived/keepalived.conf
----------------------------------------------
! Configuration File for keepalived
global_defs {
notification_email {
shuaileo@163.com
}
notification_email_from shuaileo@163.com
smtp_server smtp.163.com
smtp_connect_timeout 30
router_id LVS_DEVEL1
}
vrrp_instance VI_1 {
state MASTER #标记为主
interface eth0
virtual_router_id 51
priority 150
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
10.0.0.5/24 dev eth0 label eth0:0
}
}
-------------------------------------------------
/etc/init.d/keepalive start
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lb02：keepalive
yum install keepalived -y
vim /etc/keepalived/keepalived.conf
----------------------------------------------
! Configuration File for keepalived
global_defs {
notification_email {
shuaileo@163.com
}
notification_email_from shuaileo@163.com
smtp_server smtp.163.com
smtp_connect_timeout 30
router_id LVS_DEVEL1
}
vrrp_instance VI_1 {
state MASTER #标记为主
interface eth0
virtual_router_id 51
priority 100
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
10.0.0.5/24 dev eth0 label eth0:0
}
}
-----------------------------------------------
/etc/init.d/keepalive start
第二个里程碑：测试
ip a
curl 10.0.0.5
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linux端：
vim /etc/hosts
--------------------
10.0.0.3 blog.ls.com
--------------------
[root@salt conf]# curl blog.ls.com
hello web01
Windows客户端：
vim /etc/hosts
--------------------
10.0.0.3 blog.ls.com
--------------------
浏览器端打开blog.ls.com
hello web02
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nginx负载均衡+keepalive心跳检测