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# echo 2 >> /proc/sys/net/ipv4/conf/lo/arp_announce
# echo 2 >> /proc/sys/net/ipv4/conf/all/arp_announce
# ifconfignetmask
# routedev lo:0
node2 # yum install httpd # vim /var/www/html/index.html 添加如下信息: This is node2. # service httpd start # elinks 访问测试,正确显示 隐藏ARP,配置如下 # echo 1 >> /proc/sys/net/ipv4/conf/lo/arp_ignore
# echo 1 >> /proc/sys/net/ipv4/conf/all/arp_ignore
# echo 2 >> /proc/sys/net/ipv4/conf/lo/arp_announce
# echo 2 >> /proc/sys/net/ipv4/conf/all/arp_announce
# ifconfignetmask
# routedev lo:0
master
# vim /var/www/html/index.html
添加如下内容: The service is bad. # service httpd start slave # vim /var/www/html/index.html 添加如下内容: The service is bad. # service httpd start 5、配置负载均衡集群以及高可用集群 小提示:使用rpm命令安装需要解决依赖性这一烦人的问题,可把以上文件放在同一目录下,用下面这条命令安装以上所有rpm包:
# yum --nogpgcheck -y localinstall *.rpm
master
# cd /usr
# cp ha.cf haresources authkeys /etc/ha.d
# cd /usr
# cp ldirectord.cf /etc
# cd /etc # vim ha.cf 开启并修改以下选项: debugfile /var/log/ha-debug logfile /var/log/ha-log keepalive 2 deadtime 30 udpport 694 bcast eth0 增加以下两项:
node
node
# vim haresources
增加以下选项:
ldirectord::/etc/ldirectord.cf
为/etc/authkeys文件添加内容
# echo -ne \注意此处的空格) >> /etc/ha.d/authkeys
# dd if=/dev/urandom bs=512 count=1 | openssl md5 >> /etc/ha.d/authkeys
&nbs 更改key文件的权限 # chmod 600 /etc/ha.d/authkeys # vim /etc/ldirectord.cf 修改如下图所示:
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