CentOS源码安装Keepalived

1、安装编译环境

yum install -y gcc gcc-c++ openssl openssl-devel

2、安装keepalived

官方地址：https://www.keepalived.org/download.html

mkdir -p /usr/local/keepalived/package
cd /usr/local/keepalived/package
wget https://www.keepalived.org/software/keepalived-2.0.20.tar.gz
tar -xzvf keepalived-2.0.20.tar.gz
cd keepalived-2.0.20
#创建安装目录
mkdir -p /usr/local/keepalived/instance
./configure --prefix=/usr/local/keepalived/instance
make && make install

#将配置文件放到默认路径下
mkdir /etc/keepalived
cp /usr/local/keepalived/instance/etc/keepalived/keepalived.conf /etc/keepalived/

#将keepalived启动脚本（源码目录下），放到/etc/init.d/目录下
cp -a /usr/local/keepalived/package/keepalived-2.0.20/keepalived/etc/init.d/keepalived /etc/rc.d/init.d/

#将keepalived启动脚本变量引用文件放到/etc/sysconfig/目录下
cp -a /usr/local/keepalived/instance/etc/sysconfig/keepalived /etc/sysconfig/

#将keepalived主程序加入到环境变量/usr/sbin/目录下：
cp -a /usr/local/keepalived/instance/sbin/keepalived /usr/sbin/

3、其他命令

1、查看版本：keepalived -v

2、启动keepalived ：service keepalived start

3、停止keepalived ：service keepalived stop （进程还在）

4、杀死keepalived进程 ：systemctl kill keepalived（采用这种方式才能飘移ip）

5、重启keepalived ：service keepalived restart

6、查看keepalived 状态：service keepalived status

7、开机启动keepalived：systemctl enable keepalived