centos7系统中如何安装配置keepalived?相信大部分人都还没学会这个技能,为了让大家学会,给大家总结了以下内容,话不多说,一起往下看吧。
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---|---|---|---|---|
CentOS Linux release 7.5.1804 (Core) | nginx/1.16.1 | keepalived-2.0.18 | 10.1.1.31 | master |
CentOS Linux release 7.5.1804 (Core) | nginx/1.16.1 | keepalived-2.0.18 | 10.1.1.32 | slave |
VIP 10.1.1.111
安裝nignx
yum install nginx -y
修改nginx配置文件
master
echo 'this is master 31' > /usr/share/nginx/html/index.html
slave
echo 'this is slave 32' > /usr/share/nginx/html/index.html
启动nginx
systemctl start nginx
测试nginx启动
curl localhost
this is master
yum -y install openssl-devel gcc gcc-c++
mkdir /etc/keepalived
wget https://www.keepalived.org/software/keepalived-2.0.18.tar.gz
tar -zxvf keepalived-2.0.18.tar.gz
mv keepalived-2.0.18 /usr/local/keepalived
cd /usr/local/keepalived
./configure && make && make install
cp -a /usr/local/etc/keepalived /etc/init.d/
cp -a /usr/local/etc/sysconfig/keepalived /etc/sysconfig/
cp -a /usr/local/sbin/keepalived /usr/sbin/
master
cat > /etc/keepalived/keepalived.conf << EOF
! Configuration File for keepalived
global_defs {
router_id 31
}
vrrp_instance VI_1 {
state MASTER
interface ens33
virtual_router_id 3
mcast_src_ip 10.1.1.132
priority 200
advert_int 1
authentication {
auth_type PASS
auth_pass 123456
}
virtual_ipaddress {
10.1.1.111/24
}
}
EOF
slave
cat > /etc/keepalived/keepalived.conf << EOF
! Configuration File for keepalived
global_defs {
router_id 32
}
vrrp_instance VI_1 {
state BACKUP
interface ens33
virtual_router_id 3
mcast_src_ip 10.1.1.132
priority 90
advert_int 1
authentication {
auth_type PASS
auth_pass 123456
}
virtual_ipaddress {
10.1.1.111/24
}
}
EOF
systemctl start keepalived
systemctl enable keepalived
master
$ curl localhost
this is master
root@centos7[14:46:07]:~
$ curl 10.1.1.111
this is master
root@centos7[15:03:29]:~
slave
$ curl localhost
this is slave
root@centos7[15:03:59]:/etc/keepalived
$ curl 10.1.1.111
this is master
master关闭keepalived
$ systemctl stop keepalived
$ curl localhost
this is slave
root@centos7[15:10:29]:/etc/keepalived
$ curl 10.1.1.111
this is slave
keepalived完成
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