在线安装

yum -y install keepalived

设置开机自启

chkconfig keepalived on;

启动

systemctl start keepalived;

离线安装

1）下载安装包上传到服务器。访问网址：Keepalived for Linux 并下载 Keepalived 的安装包。

2）解压安装。

cd /wendy;
tar -zxvf keepalived-2.0.18.tar.gz;   # 解压

3）编译

cd keepalived-2.0.18  # 路径根据实际情况修改
./configure --prefix=/usr/local/keepalived --sysconf=/etc   

• prefix:keepalived 安装的位置
• sysconf:keepalived核心配置文件位置，固定位置，改成其他位置则keepalived启动不了

如果出现如下警告信息 则需要安装libnl来支持IPV6,然后重新执行configure命令

*** WARNING - this build will not support IPVS with IPv6. Please install libnl/libnl-3 dev libraries to support IPv6 with IPVS.

yum -y install libnl libnl-devel

4）安装

make -j 3 && make install   # 安装

5) 将 Keepalived 安装成 Linux 系统服务

# 进入keppalived解压后目录
cd keepalived-2.0.18;
# 复制启动文件到指定迷路
cp keepalived/etc/init.d/keepalived /etc/init.d/
cp keepalived/etc/sysconfig/keepalived /etc/sysconfig/
# 刷新系统服务
systemctl daemon-reload;
# 启动keepalived
systemctl start keepalived;
# 设置为开机启动
systemctl enable keepalived;
# 查看keepalived状态
systemctl status keepalived;
# 关闭keepalived
systemctl stop keepalived;

配置文件和日志

日志文件位置：/var/log/messages

配置文件位置：/etc/keepalived/keepalived.conf

运维

启动

systemctl start keepalived;

关闭

systemctl stop keepalived;

重启

systemctl restart keepalived;