1.拓扑环境
nginx 主 10.1.60.155
nginx 从 10.1.60.157
2.去官网下载最新版本的keepalived,下载地址:http://www.keepalived.org/download.html
解压:tar zxvf keepalived-1.2.9.tar.gz
进入目录编译安装:
cd keepalived-1.2.9
./configure --prefix=/usr/local/keepalived
make
make install
复制命令到系统命令:
cp /usr/local/keepalived/sbin/keepalived /usr/sbin/
cp /usr/local/keepalived/etc/rc.d/init.d/keepalived /etc/init.d/
cp /usr/local/keepalived/etc/sysconfig/keepalived /etc/sysconfig/
添加开机启动:
chkconfig keepalived on
编辑主nginx10.1.60.155keepalived配置文件:
cd /usr/local/keepalived/etc/keepalived/
cp keepalived.conf keepalived.conf.bak
cat keepalived.conf
! Configuration File for keepalived
global_defs {
notification_email {
[email protected] #邮件地址
}
notification_email_from [email protected]
smtp_server 10.1.60.155
smtp_connect_timeout 30
router_id LVS_DEVEL
}
vrrp_script chk_http_port {
script "/usr/local/keepalived/nginx_pid.sh"
interval 2
weight 2
}
track_script {
chk_http_port
}
vrrp_instance VI_1 {
state MASTER #这里是主所以填MASTER
interface eth0 #您的ip配在哪个网卡上就填哪个
virtual_router_id 100 #路由优先级值越大优先级越高
priority 100
advert_int 1
authentication {
auth_type PASS
auth_pass founder
}
track_interface {
eth0
}
virtual_ipaddress {
10.1.60.254 #虚拟vip ip
}
}
编辑从nginx10.1.60.157keepalived配置文件:
cat keepalived.conf
! Configuration File for keepalived
global_defs {
notification_email {
[email protected] #邮件地址
}
notification_email_from [email protected]
smtp_server 10.1.60.155
smtp_connect_timeout 30
router_id LVS_DEVEL
}
vrrp_script chk_http_port {
script "/usr/local/keepalived/nginx_pid.sh"
interval 2
weight 2
}
track_script {
chk_http_port
}
vrrp_instance VI_1 {
state BACKUP #这里是从所以填BACKUP
interface eth0 #您的ip配在哪个网卡上就填哪个
virtual_router_id 50 #路由优先级值越大优先级越高
priority 100
advert_int 1
authentication {
auth_type PASS
auth_pass founder
}
track_interface {
eth0
}
virtual_ipaddress {
10.1.60.254 #虚拟vip ip
}
}
启动两台keepalived服务
service keepalived start
打开vip ip 进行测试:
http://10.1.60.254
新年快乐,博客“马上”红火。
有没有一些运行的原理
cp -r /usr/local/etc/keepalived/ /etc/ 不把配置文件拷贝到etc下面会出现不能绑定vip的情况。
路过看一下!