在CentOS 7.0上安装keepalived，实现Nginx主备
1、安装目录包yum install -y net-tools psmisc 2、安装keepalived
yum install -y ipvsadm keepalived 3、master配置文件
! Configuration File for keepalived
global_defs {
notification_email {
acassen@firewall.loc
failover@firewall.loc
sysadmin@firewall.loc
}
notification_email_from Alexandre.Cassen@firewall.loc
smtp_server 192.168.200.1
smtp_connect_timeout 30
router_id LVS_DEVEL
}
vrrp_script chk_nginx {
script "killall -0 nginx"
interval 1
weight -15
}
vrrp_instance VI_1 {
state MASTER
interface eno16777736
virtual_router_id 51
priority 100
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
172.16.1.10
}
track_script {
chk_nginx
}
} 4、backup配置文件
! Configuration File for keepalived
global_defs {
notification_email {
acassen@firewall.loc
failover@firewall.loc
sysadmin@firewall.loc
}
notification_email_from Alexandre.Cassen@firewall.loc
smtp_server 192.168.200.1
smtp_connect_timeout 30
router_id LVS_DEVEL
}
vrrp_script chk_nginx {
script "killall -0 nginx"
interval 1
weight -15
}
vrrp_instance VI_1 {
state BACKUP
interface eno16777736
virtual_router_id 51
priority 99
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
172.16.1.10
}
track_script {
chk_nginx
}
} 5、设置开启启动和启动keepalived
systemctl enable keepalived
systemctl start keepalived 参考博文：http://soulful.blog.运维网.com/468033/1676442
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