Keepalived安装和配置

安装依赖：

yum -y install popt-devel

yum -y install openssl openssl-devel

下载:

wget http://www.keepalived.org/software/keepalived-1.2.7.tar.gz

解压：

tar zxvf keepalived-1.2.7.tar.gz

cd keepalived-1.2.7

./configure

make

make install

拷贝文件：

cp /usr/local/etc/rc.d/init.d/keepalived /etc/rc.d/init.d/

cp /usr/local/etc/sysconfig/keepalived /etc/sysconfig/

mkdir /etc/keepalived

cp /usr/local/etc/keepalived/keepalived.conf /etc/keepalived/

cp /usr/local/sbin/keepalived /usr/sbin/

加入启动服务：

echo "/usr/local/nginx/sbin/nginx" >> /etc/rc.local

echo "/etc/init.d/keepalived start" >> /etc/rc.local

查看rc.local文件：

有，则启动nginx：

/usr/local/nginx/sbin/nginx 

启动keepalived:

/etc/init.d/keepalived start

修改配置文件：

vi /etc/keepalived/keepalived.conf

找到：rooter_id **** 修改为：

rooter_id NGINX_UPSTREAM

修改网卡：

interface etho(CentOS6)--》interface ens33

修改虚拟ip：

virtual_ipaddress{
    192.168.140.100
}

删除从服务器

退出后在主从服务器上启动keepalived:

/etc/init.d/keepalived start  or（service keepalived start）

在主服务器上查看是否已经绑定了虚拟ip：

ip addr

*****补充内容*******

vim中删除多行：

删除光标之前：dgg

删除光标之后：dG

删除行第一个：dg0

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