安装
[root@localhost ~]#yum install gcc openssl openssl-devel popt-devel make
[root@localhost ~]#wget http://www.keepalived.org/software/keepalived-1.2.7.tar.gz
[root@localhost ~]#gunzip keepalived-1.2.7.tar.gz
[root@localhost ~]#tar xvf keepalived-1.2.7.tar
[root@localhost ~]#cd keepalived-1.2.7
[root@localhost ~]#./configure
[root@localhost ~]#make && make install
[root@localhost ~]#cp /usr/local/etc/rc.d/init.d/keepalived /etc/rc.d/init.d/
[root@localhost ~]#cp /usr/local/etc/sysconfig/keepalived /etc/sysconfig/
[root@localhost ~]#mkdir /etc/keepalived
[root@localhost ~]#cp /usr/local/etc/keepalived/keepalived.conf /etc/keepalived/
[root@localhost ~]#cp /usr/local/sbin/keepalived /usr/sbin/
[root@localhost ~]#vi /etc/rc.d/rc.local
/etc/init.d/keepalived start //增加开机自启动
[root@localhost ~]#service keepalived start
端口是121 修改iptables selinux
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主备机器可以一样配置
vi /etc/keepalived/keepalived.conf
global_defs {
router_id HA_1
}
vrrp_script chk_sentiment_port{
script "/tcp/192.168.154.201/19145"
//监听192.168.154.201:19145的服务，如果挂掉了就按权责补上来
intetval 1
weight -30
}
vrrp_instance VI_1 {
state MASTER
interface eth0
virtual_router_id 1
priority 100
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
192.168.154.203
}
track script{
chk_sentiment_port
}
}
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测试正常