keepalived安装

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

   1. 安装keepalived

      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

      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. 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

   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