keepalived安装文档

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

2.1 安装keepalived

1. 将keepalived-1.2.15.tar.gz上传到服务器/usr/local/下。

cd /usr/local
tar -zxvf keepalived-1.2.15.tar.gz
cd keepalived-1.2.15

2. 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

2.2 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

2.3 启动keepalived

启动：service keepalived start
停止：service keepalived stop
重启：service keepalived restart

3.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:

local0.* /var/log/keepalived.log

3. 重新启动keepalived和rsyslog服务：

service rsyslog restart 
service keepalived restart

4 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