ubuntu keepalived 安装
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Ubuntu安装keepalived(热备份)
http://www.keepalived.org/software/keepalived-1.1.19.tar.gz
MASTER服务器
$ sudo apt-get install libpopt-dev
$ sudo apt-get install daemon
$ sudo tar zxfv keepalived-1.1.19.tar.gz
$ cd keepalived-1.1.19
$ ./configure --prefix=/usr/local/keepalived
$ make
$ sudo make install
$ sudo mkdir /etc/sysconfig
$ sudo cp /usr/local/keepalived/etc/sysconfig/keepalived /etc/sysconfig/
$ sudo cp /usr/local/keepalived/etc/rc.d/init.d/keepalived /etc/init.d/
$ sudo cp /usr/local/keepalived/sbin/keepalived /sbin/
$ sudo mkdir /etc/keepalived
$ sudo cp /usr/local/keepalived/etc/keepalived/keepalived.conf /etc/keepalived/
$ sudo vi /etc/keepalived/keepalived.conf
按a或i进入编辑模式
! Configuration File for keepalived
global_defs {
notification_email {
yang@126.com (当IP发生迁移等事件的时候发送邮件到指定邮箱)
}
notification_email_from root@localhost (邮件发送方)
smtp_server 127.0.0.1 (邮件外发服务器地址)
smtp_connect_timeout 30 (邮件超时时间为30秒)
router_id LVS_DEVEL (一个实例的标识)
}
vrrp_instance VI_1 {
State MASTER (设置服务器模式,注要大写)
interface eth0 (实例网卡,也就是提供服务的网卡)
virtual_router_id 51
priority 100 (设定权值为100 主备之间的权值差最好大于50 权值范围为0~255)
advert_int 1 (检查时间为1秒)
authentication { (认证方式为密码认证)
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
10.0.1.10 (10.0.1.10并不存在)
}
}
后面的内容不用改
按Esc键退出编辑模式
:wq
$ sudo mkdir -p /etc/rc.d/init.d
$ sudo cp /usr/share/initramfs-tools/scripts/functions /etc/rc.d/init.d/
$ sudo vi /etc/init.d/keepalived +23
按a或i进入编辑模式
daemon keepalived start (默认为daemon keepalived ${KEEPALIVED_OPTIONS})
按Esc键退出编辑模式
:wq (保存并退出)
$ sudo mkdir /var/lock/subsys (注:这个目录重启服务器后会消失,需要将其写道开机启动项中,如写到/etc/rc.local里)
$ service keepalived start
开机自启动
$ sudo vi /etc/rc.local
按a或i进入编辑模式
mkdir /var/lock/subsys
service keepalived start
按Esc键退出编辑模式
:wq (保存并退出)
$ sudo ip a (可以看到eth0多了个10.0.1.10的ip)
BACKUP服务器步骤同上,只需将/etc/keepalived/keepalived.conf里的MASTER改为BACKUP,priority改为50即可
BACKUP服务器ip a显示eth0没有多出10.0.1.10这个ip,等MASTER服务器宕后就会显示出来,当MASTER服务器正常后会自动消失
http://www.keepalived.org/software/keepalived-1.1.19.tar.gz
MASTER服务器
$ sudo apt-get install libpopt-dev
$ sudo apt-get install daemon
$ sudo tar zxfv keepalived-1.1.19.tar.gz
$ cd keepalived-1.1.19
$ ./configure --prefix=/usr/local/keepalived
$ make
$ sudo make install
$ sudo mkdir /etc/sysconfig
$ sudo cp /usr/local/keepalived/etc/sysconfig/keepalived /etc/sysconfig/
$ sudo cp /usr/local/keepalived/etc/rc.d/init.d/keepalived /etc/init.d/
$ sudo cp /usr/local/keepalived/sbin/keepalived /sbin/
$ sudo mkdir /etc/keepalived
$ sudo cp /usr/local/keepalived/etc/keepalived/keepalived.conf /etc/keepalived/
$ sudo vi /etc/keepalived/keepalived.conf
按a或i进入编辑模式
! Configuration File for keepalived
global_defs {
notification_email {
yang@126.com (当IP发生迁移等事件的时候发送邮件到指定邮箱)
}
notification_email_from root@localhost (邮件发送方)
smtp_server 127.0.0.1 (邮件外发服务器地址)
smtp_connect_timeout 30 (邮件超时时间为30秒)
router_id LVS_DEVEL (一个实例的标识)
}
vrrp_instance VI_1 {
State MASTER (设置服务器模式,注要大写)
interface eth0 (实例网卡,也就是提供服务的网卡)
virtual_router_id 51
priority 100 (设定权值为100 主备之间的权值差最好大于50 权值范围为0~255)
advert_int 1 (检查时间为1秒)
authentication { (认证方式为密码认证)
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
10.0.1.10 (10.0.1.10并不存在)
}
}
后面的内容不用改
按Esc键退出编辑模式
:wq
$ sudo mkdir -p /etc/rc.d/init.d
$ sudo cp /usr/share/initramfs-tools/scripts/functions /etc/rc.d/init.d/
$ sudo vi /etc/init.d/keepalived +23
按a或i进入编辑模式
daemon keepalived start (默认为daemon keepalived ${KEEPALIVED_OPTIONS})
按Esc键退出编辑模式
:wq (保存并退出)
$ sudo mkdir /var/lock/subsys (注:这个目录重启服务器后会消失,需要将其写道开机启动项中,如写到/etc/rc.local里)
$ service keepalived start
开机自启动
$ sudo vi /etc/rc.local
按a或i进入编辑模式
mkdir /var/lock/subsys
service keepalived start
按Esc键退出编辑模式
:wq (保存并退出)
$ sudo ip a (可以看到eth0多了个10.0.1.10的ip)
BACKUP服务器步骤同上,只需将/etc/keepalived/keepalived.conf里的MASTER改为BACKUP,priority改为50即可
BACKUP服务器ip a显示eth0没有多出10.0.1.10这个ip,等MASTER服务器宕后就会显示出来,当MASTER服务器正常后会自动消失
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