keepalived暂留2

keepalived
1.配置VIP
2.配置LVS
vim /etc/keepalived/keepalived.conf
全局{
router_id 设备不一样
}
VRRP{
state MASTER,BACKUP
interface eth0
virtual_router_id 组ID(主备一样)
priority 100(主备不一样)
pass 1234(主备一样)
virtual addresses {
192.168.4.15
}
}
virtualhost 192.168.4.15:80 {
rr
nat,dr
real server 192.168.2.100:80 {
weight=1
tcp_check {
连接几次
超时时间
delay
}
}
ipvsadm -Ln

haproxy==nginx
2.100
4.10------->4.5+2.5
2.200
yum -y install haproxy
vim /etc/haproxy/haproxy.conf
全局设置
日志，链接数
集群默认设置
mode http或tcp
超时时间
real坏
listen 名称 192.168.4.5:80也可以写0.0.0.0:80(别人访问本机的哪个IP都可以)
balance roundrobin
server web1 192.168.2.100:80 rise 2 fall
server web2 192.168.2.200:80

listen 名称
bind 0.0.0.0:1080
uri /stats
auth admin:admin