1.安装环境
su - root
yum -y install kernel-devel*
yum -y install openssl-*
yum -y install popt-devel
yum -y install lrzsz
yum -y install openssh-clients
yum -y install libnl libnl-devel popt
2.安装keepalived
将keepalived-1.2.15.tar.gz上传到服务器/usr/local/下。
https://download.csdn.net/download/kxj19980524/11044718 安装包下载地址
cd /usr/local
tar -zxvf keepalived-1.2.15.tar.gz
cd keepalived-1.2.15
执行配置命令
./configure --prefix=/usr/local/keepalived
3.编译
make
4.安装
make install
至此安装成功
5.拷贝执行文件
cp /usr/local/keepalived/sbin/keepalived /usr/sbin/
6.将init.d文件拷贝到etc下,加入开机启动项
cp /usr/local/keepalived/etc/rc.d/init.d/keepalived /etc/init.d/keepalived
7.将keepalived文件拷贝到etc下，加入网卡配置
cp /usr/local/keepalived/etc/sysconfig/keepalived /etc/sysconfig/
8.创建keepalived文件夹
mkdir -p /etc/keepalived
9.将keepalived配置文件拷贝到etc下
cp /usr/local/keepalived/etc/keepalived/keepalived.conf /etc/keepalived/keepalived.conf
10.添加可执行权限
chmod +x /etc/init.d/keepalived
11.加入开机启动：
chkconfig --add keepalived #添加时必须保证/etc/init.d/keepalived存在
chkconfig keepalived on
添加完可查询系统服务是否存在：chkconfig --list
12.启动keepalived
启动：service keepalived start
停止：service keepalived stop
重启：service keepalived restart
13.配置日志文件
1.将keepalived日志输出到local0：
vi /etc/sysconfig/keepalived
KEEPALIVED_OPTIONS="-D -d -S 0"
2.在/etc/rsyslog.conf里添加:
vi /etc/rsyslog.conf
local0.* /var/log/keepalived.log
3.重新启动keepalived和rsyslog服务：
service rsyslog restart
service keepalived restart
14.打开防火墙的通讯地址
iptables -A INPUT -d 224.0.0.18 -j ACCEPT
/etc/rc.d/init.d/iptables save