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编译安装Keepalived ​

由于yum安装不知道为啥无法执行脚本,需要编译安装keepalived才可以执行脚本

安装必要的依赖包 ​

shell
yum install -y gcc openssl-devel libnl libnl-devel libnl3-devel pcre*

下载安装包 ​

*需要下载wget

shell
wget http://yum.test.com/tar/keepalived-2.0.20.tar.gz

解压安装包 ​

shell
tar -axf keepalived-2.0.20.tar.gz

切换目录 ​

shell
cd keepalived-2.0.20

生成编译文件 ​

shell
./configure --prefix=/usr/local/keepalived --enable-regex

编译安装 ​

shell
make && make install

修改一些配置文件 ​

原文件

shell
~]# cat /usr/local/keepalived/etc/sysconfig/keepalived 
# Options for keepalived. See `keepalived --help' output and keepalived(8) and
# keepalived.conf(5) man pages for a list of all options. Here are the most
# common ones :
#
# --vrrp               -P    Only run with VRRP subsystem.
# --check              -C    Only run with Health-checker subsystem.
# --dont-release-vrrp  -V    Dont remove VRRP VIPs & VROUTEs on daemon stop.
# --dont-release-ipvs  -I    Dont remove IPVS topology on daemon stop.
# --dump-conf          -d    Dump the configuration data.
# --log-detail         -D    Detailed log messages.
# --log-facility       -S    0-7 Set local syslog facility (default=LOG_DAEMON)
#

KEEPALIVED_OPTIONS="-D"

修改后的文件

shell
~]# cat /usr/local/keepalived/etc/sysconfig/keepalived 
# Options for keepalived. See `keepalived --help' output and keepalived(8) and
# keepalived.conf(5) man pages for a list of all options. Here are the most
# common ones :
#
# --vrrp               -P    Only run with VRRP subsystem.
# --check              -C    Only run with Health-checker subsystem.
# --dont-release-vrrp  -V    Dont remove VRRP VIPs & VROUTEs on daemon stop.
# --dont-release-ipvs  -I    Dont remove IPVS topology on daemon stop.
# --dump-conf          -d    Dump the configuration data.
# --log-detail         -D    Detailed log messages.
# --log-facility       -S    0-7 Set local syslog facility (default=LOG_DAEMON)
#

KEEPALIVED_OPTIONS="-D -f /etc/keepalived/keepalived.conf"

移动keepalived命令 ​

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

创建目录并且移动文件 ​

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

检测是否可以能够启动 ​

备份配置文件 ​

shell
cp /etc/keepalived/keepalived.conf{,.bak}

修改配置文件 ​

配置文件中的VIP根据实际环境选择

shell
! Configuration File for keepalived
global_defs {
router_id 1
}

vrrp_instance VI_1 {
state MASTER
interface ens34
virtual_router_id 60
priority 100
advert_int 1
nopreempt
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
192.168.10.143/24
}
}
}
}

启动keepalived ​

shell
systemctl start keepalived

查看是否有IP ​

shell
[root@fsl ~]# ip a|grep 192.168.10.143
    inet 192.168.10.143/24 scope global secondary ens34