centos6.5安装nginx+keepalived实现高可用负载均衡
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lb01 192.168.56.50 nginx主负载均衡器
lb02 192.168.56.51 nginx辅负载均衡器
web01 192.168.56.52 apache web01服务器
web02 192.168.56.53 apache web02服务器
防火墙和selinux都关闭,主机之间时间同步
chkconfig iptables off
yum -y install gcc gcc-c++ make
yum -y install wget
yum -y install pcre-devel
yum -y install openssl-devel
yum -y install popt-devel
wget http://nginx.org/download/nginx-1.6.2.tar.gz
wget http://keepalived.org/software/keepalived-1.2.18.tar.gz
安装配置nginx的反向代理
useradd -s /sbin/nologin -M nginx
./configure --user=nginx --group=nginx --prefix=/application/nginx-1.6.2 --with-http_stub_status_module --with-http_ssl_module --with-http_realip_module
make && make install
创建软连接
ln -s /application/nginx-1.6.2/ /application/nginx
检查语法
/application/nginx/sbin/nginx -t
启动nginx
/application/nginx/sbin/nginx
/application/nginx/sbin/nginx -s reload
检查nginx端口
netstat -lntup|grep nginx
lsof -i :80
curl 192.168.56.50
[root@lb01 conf]# cat /application/nginx/conf/nginx.conf
error_log logs/error.log error;
worker_processes 4;
events {
worker_connections 1024;
use epoll;
}
http {
server_tokens off;
gzip on;
gzip_min_length 1k;
gzip_buffers 4 32k;
gzip_comp_level 3;
gzip_types text/css text/xml application/javascript;
gzip_vary on;
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"';
include extra/upstream01.conf;
}
[root@lb01 extra]# cat /application/nginx/conf/extra/proxy.conf
proxy_redirect off;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
client_max_body_size 50m;
client_body_buffer_size 256k;
proxy_connect_timeout 30;
proxy_send_timeout 30;
proxy_read_timeout 60;
proxy_buffer_size 4k;
proxy_buffers 4 32k;
proxy_busy_buffers_size 64k;
proxy_temp_file_write_size 64k;
proxy_next_upstream error timeout invalid_header http_500 http_503 http_404;
proxy_max_temp_file_size 128m;
proxy_store on;
proxy_store_access user:rw group:rw all:r;
#proxy_temp_path /dev/shm/nginx_proxy;
#proxy_temp_path /data2/nginx_cache;
[root@lb01 extra]# cat /application/nginx/conf/extra/upstream01.conf
upstream blog_real_servers {
server 192.168.56.52:80 weight=5;
server 192.168.56.53:80 weight=5;
}
server {
listen 80;
server_name blog.etiantian.org;
location / {
proxy_pass http://blog_real_servers;
}
}
安装配置keepalived
mkdir /application
tar -xvf keepalived-1.2.18.tar.gz
cd keepalived-1.2.18
./configure --prefix=/application/keepalived
make && make install
cp /application/keepalived/sbin/keepalived /usr/sbin/
cp /application/keepalived/etc/sysconfig/keepalived /etc/sysconfig/
cp /application/keepalived/etc/rc.d/init.d/keepalived /etc/init.d/
ip add
/etc/init.d/keepalived start
lb02 192.168.56.51 nginx辅负载均衡器
web01 192.168.56.52 apache web01服务器
web02 192.168.56.53 apache web02服务器
防火墙和selinux都关闭,主机之间时间同步
chkconfig iptables off
yum -y install gcc gcc-c++ make
yum -y install wget
yum -y install pcre-devel
yum -y install openssl-devel
yum -y install popt-devel
wget http://nginx.org/download/nginx-1.6.2.tar.gz
wget http://keepalived.org/software/keepalived-1.2.18.tar.gz
安装配置nginx的反向代理
useradd -s /sbin/nologin -M nginx
./configure --user=nginx --group=nginx --prefix=/application/nginx-1.6.2 --with-http_stub_status_module --with-http_ssl_module --with-http_realip_module
make && make install
创建软连接
ln -s /application/nginx-1.6.2/ /application/nginx
检查语法
/application/nginx/sbin/nginx -t
启动nginx
/application/nginx/sbin/nginx
/application/nginx/sbin/nginx -s reload
检查nginx端口
netstat -lntup|grep nginx
lsof -i :80
curl 192.168.56.50
[root@lb01 conf]# cat /application/nginx/conf/nginx.conf
error_log logs/error.log error;
worker_processes 4;
events {
worker_connections 1024;
use epoll;
}
http {
server_tokens off;
gzip on;
gzip_min_length 1k;
gzip_buffers 4 32k;
gzip_comp_level 3;
gzip_types text/css text/xml application/javascript;
gzip_vary on;
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"';
include extra/upstream01.conf;
}
[root@lb01 extra]# cat /application/nginx/conf/extra/proxy.conf
proxy_redirect off;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
client_max_body_size 50m;
client_body_buffer_size 256k;
proxy_connect_timeout 30;
proxy_send_timeout 30;
proxy_read_timeout 60;
proxy_buffer_size 4k;
proxy_buffers 4 32k;
proxy_busy_buffers_size 64k;
proxy_temp_file_write_size 64k;
proxy_next_upstream error timeout invalid_header http_500 http_503 http_404;
proxy_max_temp_file_size 128m;
proxy_store on;
proxy_store_access user:rw group:rw all:r;
#proxy_temp_path /dev/shm/nginx_proxy;
#proxy_temp_path /data2/nginx_cache;
[root@lb01 extra]# cat /application/nginx/conf/extra/upstream01.conf
upstream blog_real_servers {
server 192.168.56.52:80 weight=5;
server 192.168.56.53:80 weight=5;
}
server {
listen 80;
server_name blog.etiantian.org;
location / {
proxy_pass http://blog_real_servers;
}
}
安装配置keepalived
mkdir /application
tar -xvf keepalived-1.2.18.tar.gz
cd keepalived-1.2.18
./configure --prefix=/application/keepalived
make && make install
cp /application/keepalived/sbin/keepalived /usr/sbin/
cp /application/keepalived/etc/sysconfig/keepalived /etc/sysconfig/
cp /application/keepalived/etc/rc.d/init.d/keepalived /etc/init.d/
ip add
/etc/init.d/keepalived start
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