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  • LVS/DR 配置

    2018-02-07 16:53:00
    LVS/DR 配置 实验环境 三台主机:Linux Centos 6.4 32位 调度器Director:192.168.1.160(公网IP)、192.168.1.100(VIP) HTTP真实服务器Real server1:192.168.1.115(公网IP)、192.168.100(VIP) HTTP真实...

    LVS/DR 配置

    实验环境

    • 三台主机:Linux Centos 6.4 32位
    • 调度器Director:192.168.1.160(公网IP)、192.168.1.100(VIP)
    • HTTP真实服务器Real server1:192.168.1.115(公网IP)、192.168.100(VIP)
    • HTTP真实服务器Real server2:192.168.1.111(公网IP)、192.168.100(VIP)

    实验拓补图

    LVS/DR 配置

    Director 端

    1、安装LVS工具
    yum install -y ipvsadm.i686 0:1.26-2.el6
    2、写入脚本
    vim /usr/local/sbin/lvs_dr.sh
    #! /bin/bash
    # 打开转发功能
    echo 1 > /proc/sys/net/ipv4/ip_forward
    ipv=/sbin/ipvsadm
    vip=192.168.1.100
    rs1=192.168.1.115
    rs2=192.168.1.111
    # 给网卡配置一个IP地址
    ifconfig eth0:0 $vip broadcast $vip netmask 255.255.255.255 up
    # 增加路由
    route add -host $vip dev eth0:0
    # 设置防火墙规则
    $ipv -C
    # wrr算法 -g(DR) -w(加权轮询)
    $ipv -A -t $vip:80 -s wrr
    $ipv -a -t $vip:80 -r $rs1:80 -g -w 2
    $ipv -a -t $vip:80 -r $rs2:80 -g -w 1

    3、执行该脚本

    sh /usr/local/sbin/lvs_dr.sh

    Real server 端

    1、写入脚本
    vim /usr/local/sbin/lvs_dr.sh
    #! /bin/bash
    # 设置虚拟IP
    vip=192.168.1.100
    # 添加虚拟IP
    ifconfig lo:0 $vip broadcast $vip netmask 255.255.255.255 up
    route add -host $vip lo:0
    echo "1" >/proc/sys/net/ipv4/conf/lo/arp_ignore
    echo "2" >/proc/sys/net/ipv4/conf/lo/arp_announce
    echo "1" >/proc/sys/net/ipv4/conf/all/arp_ignore
    echo "2" >/proc/sys/net/ipv4/conf/all/arp_announce

    2、执行脚本

    sh /usr/local/sbin/lvs_dr.sh

     

    转载于:https://www.cnblogs.com/xiangsikai/p/8427426.html

    展开全文
  • LVS-DR模式+Keepalived

    2019-12-23 11:19:13
    配置信息 LVS-DR-MASTER 192.168.88.161 CentOS6.5_x64 LVS-DR-BACKUP 192.168.88.162 CentOS6.5...LVS-DR-VIP 192.168.88.160 WEB1 192.168.88.163 CentOS6.5_x64 WEB2 192.168.88.164 CentOS6.5_x64 ...
    1. Keepalived的设计目标是构建高可用的LVS负载均衡群集,可以调用ipvsadm工具来创建虚拟服务器、管理服务器池,而不仅仅是双机热备。优点:keepalived对lvs负载调度器实现热备切换,提高可用性,对服务器池中的节点进行健康检查,自动移除失效节点,恢复后再重新加入。

    2. 基于lvs+keepalived实现的lvs群集结构中,至少包含两台热备的负载调度器。使用keepalived构建lvs群集时,也需要用到ipvsadm管理工具,但是大部分工作会由keepalived自动完成,不需要手动执行ipvsadm(除了查看和监控群集以外)。

    3. LVS群集是针对Linux内核开发的一个负载均衡项目,基于IP地址虚拟化应用VIP,为基于IP地址和内容请求分发的负载均衡提出了一种高效的解决办法。可使用ipvsadm管理工具。通过整合多台相对廉价的普通服务器,以同一个地址对外提供相同的服务。

    4. 负载均衡的直接路由工作模式。简称DR工作模式,负载调度器仅作为客户机的访问入口,各节点服务器与调度器位于同一个物理网络,节点服务器直接回应客户机的请求,而不再经过负载调度器。

    5. Keepalived是专门针对LVS设计的一款强大的辅助工具,主要用来提供故障切换(Failover)和健康检查(Health Checking)功能–判断LVS负载调度器,节点服务器的可用性,及时隔离并替换为新的服务器,当故障主机恢复后将其重新加入集群。
      在这里插入图片描述

    6. 配置信息
      LVS-DR-MASTER 192.168.88.161 CentOS6.5_x64
      LVS-DR-BACKUP 192.168.88.162 CentOS6.5_x64
      LVS-DR-VIP 192.168.88.160
      WEB1 192.168.88.163 CentOS6.5_x64
      WEB2 192.168.88.164 CentOS6.5_x64

    7. 分别在master和backup上安装lvs(LVS采用dr模式)和keepalived软件包
      安装keepalived(master和backup上都要安装)

    yum -y install keepalived ipvsadm
    

    启动keepalived:

    [root@ localhost ~]# service keepalived start
    Starting keepalived:                                       [  OK  ]
    [root@ localhost ~]# ipvsadm
    IP Virtual Server version 1.2.1 (size=4096)
    Prot LocalAddress:Port Scheduler Flags
      -> RemoteAddress:Port           Forward Weight ActiveConn InActConn
    TCP  192.168.200.100:https rr persistent 50
      -> 192.168.201.100:https        Masq    1      0          0         
    TCP  10.10.10.2:connlcli rr persistent 50
      -> 192.168.200.2:connlcli       Masq    1      0          0         
      -> 192.168.200.3:connlcli       Masq    1      0          0         
    TCP  10.10.10.3:connlcli rr persistent 50
      -> 192.168.200.4:connlcli       Masq    1      0          0         
      -> 192.168.200.5:connlcli       Masq    1      0          0         
    [root@ localhost ~]# 
    

    配置主Keepalived:

    vim /etc/keepalived/keepalived.conf
    
    ! Configuration File for keepalived
    
    global_defs {
       router_id LVS_R1
    }
    
    vrrp_instance VI_1 {
        state MASTER
        interface eth0
        virtual_router_id 51
        priority 100
        advert_int 1
        authentication {
            auth_type PASS
            auth_pass 1111
        }
        virtual_ipaddress {
            192.168.88.160
        }
    }
    
    virtual_server 192.168.88.160 80 {
        delay_loop 6
        lb_algo rr
        lb_kind DR
        nat_mask 255.255.255.0
    !    persistence_timeout 50
        protocol TCP
    
        real_server 192.168.88.163 80 {
            weight 1
            TCP_CHECK {
                connect_timeout 3
                nb_get_retry 3
                delay_before_retry 3
                connect_port 80
            }
        }
        real_server 192.168.88.164 80 {
            weight 1
            TCP_CHECK {
                connect_timeout 3
                nb_get_retry 3
                delay_before_retry 3
                connect_port 80
            }
        }
    }
    
    
    service keepalived restart
    

    备keepalived配置文件配置信息:备用服务器可以有多台,配置时候基本相同只要修改路由器名称,热备状态,优先级就可以了。

    vim /etc/keepalived/keepalived.conf
    
    ! Configuration File for keepalived
    
    global_defs {
       router_id LVS_R1
    }
    
    vrrp_instance VI_1 {
        state BACKUP
        interface eth0
        virtual_router_id 51
        priority 90
        advert_int 1
        authentication {
            auth_type PASS
            auth_pass 1111
        }
        virtual_ipaddress {
            192.168.88.160
        }
    }
    
    virtual_server 192.168.88.160 80 {
        delay_loop 6
        lb_algo rr
        lb_kind DR
        nat_mask 255.255.255.0
    !    persistence_timeout 50
        protocol TCP
    
        real_server 192.168.88.163 80 {
            weight 1
            TCP_CHECK {
                connect_timeout 3
                nb_get_retry 3
                delay_before_retry 3
                connect_port 80
            }
        }
        real_server 192.168.88.164 80 {
            weight 1
            TCP_CHECK {
                connect_timeout 3
                nb_get_retry 3
                delay_before_retry 3
                connect_port 80
            }
        }
    }
    
    service keepalived restart
    

    通过ip命令查看(ifconfig看不到),实际状态为MASTER的主服务器上将为eth0自动添加VIP地址。在主上:

    ip addr show eth0
    

    在这里插入图片描述

    1. 节点web服务器配置
      使用DR模式的时候,节点服务器也需要配置vip地址,并且调整内核的ARP响应参数以阻止更新VIP的MAC地址,避免发生冲突。
    [root@ localhost ~]# cd /etc/sysconfig/network-scripts/
    [root@ localhost network-scripts]# cp ifcfg-lo ifcfg-lo:0
    [root@ localhost network-scripts]# vim ifcfg-lo:0
    
    DEVICE=lo:0
    IPADDR=192.168.88.160
    NETMASK=255.255.255.255
    ONBOOT=yes
    
    [root@ localhost network-scripts]# ifup lo:0
    [root@ localhost network-scripts]# ifconfig lo:0
    lo:0      Link encap:Local Loopback  
              inet addr:192.168.88.160  Mask:255.255.255.255
              UP LOOPBACK RUNNING  MTU:65536  Metric:1
    

    添加VIP本地访问路由(将访问VIP的数据限制正在本地,避免通信紊乱)

    vim /etc/sysctl.conf
    

    最下面添加

    #lvs use
    net.ipv4.conf.all.arp_ignore = 1
    net.ipv4.conf.all.arp_announce = 2
    net.ipv4.conf.default.arp_ignore = 1
    net.ipv4.conf.default.arp_announce = 2
    net.ipv4.conf.lo.arp_ignore = 1
    net.ipv4.conf.lo.arp_announce = 2
    

    注意:
    arp_announce为2时:只向该网卡回应与该网段匹配的ARP报文。
    arp_ignore为1:只响应目的IP地址为接收网卡上的本地地址的arp请求
    其主要是实现禁止响应ARP的请求。

    [root@ localhost ~]# sysctl -p
    net.ipv4.ip_forward = 0
    net.ipv4.conf.default.rp_filter = 1
    net.ipv4.conf.default.accept_source_route = 0
    kernel.sysrq = 0
    kernel.core_uses_pid = 1
    net.ipv4.tcp_syncookies = 1
    kernel.msgmnb = 65536
    kernel.msgmax = 65536
    kernel.shmmax = 68719476736
    kernel.shmall = 4294967296
    net.ipv4.conf.all.arp_ignore = 1
    net.ipv4.conf.all.arp_announce = 2
    net.ipv4.conf.default.arp_ignore = 1
    net.ipv4.conf.default.arp_announce = 2
    net.ipv4.conf.lo.arp_ignore = 1
    net.ipv4.conf.lo.arp_announce = 2
    

    安装httpd,创建网页测试lvs集群

    yum -y install httpd
    
    vim /var/www/html/index.html
    
    <h1>LVS-web1.test</h1>
    
    service httpd start
    

    Web2和web1做同样的操作即可。
    测试:
    在外面直接访问虚拟ip地址,则可以访问到对应节点上的网站信息,当主调度器坏掉的时候,会自动切换到备用的调度器上面,网站访问量根据权重和算法来计算。
    查看负载分配情况可以执行下面命令
    在这里插入图片描述
    在这里插入图片描述
    测试调度器:
    将主keepalived停掉之后,继续访问http://192.168.88.160
    ,页面不受影响。
    查看vip是否转移:
    在这里插入图片描述

    展开全文
  • LVS的DR设置

    2016-04-22 10:35:00
    每个 rs 都要有一个公网 IPdirector:1)vim /usr/local/sbin/lvs_dr.sh#!/bin/bashecho 1 > /proc/sys/net/ipv4/ip_forwardipv=/sbin/ipvsadmvip=192.168.11.100rs1=192.168.11.160rs2=192.168.11.20(ifconfig ...

    每个 rs 都要有一个公网 IP
    director:
    1)vim /usr/local/sbin/lvs_dr.sh
    #!/bin/bash
    echo 1 > /proc/sys/net/ipv4/ip_forward
    ipv=/sbin/ipvsadm
    vip=192.168.11.100
    rs1=192.168.11.160
    rs2=192.168.11.20
    (ifconfig eth0:0 down)   (该行在换wrr或其他 加上这一行 原始不用加)
    ifconfig eth0:0 $vip broadcast $vip netmask 255.255.255.255 up
    route add -host $vip dev eth0:0
    $ipv -C
    $ipv -A -t $vip:80 -s rr
    $ipv -a -t $vip:80 -r $rs1:80 -g -w 1  (-g是dr模式 -m是nat模式)
    $ipv -a -t $vip:80 -r $rs2:80 -g -w 1

    rs:
    1)vim /usr/local/sbin/lvs_rs.sh
    #!/bin/bash
    vip=192.168.11.100
    ifconfig lo:0 $vip broadcast $vip netmask 255.255.255.255 up
    route add -host $vip lo:0
    echo "1" > /proc/sys/net/ipv4/conf/lo/arp_ignore
    echo "2" > /proc/sys/net/ipv4/conf/lo/arp_announce
    echo "1" > /proc/sys/net/ipv4/conf/all/arp_ignore
    echo "2" > /proc/sys/net/ipv4/conf/all/arp_announce

    两个 rs 运行一下脚本

    转载于:https://www.cnblogs.com/pxmlinux/p/5420302.html

    展开全文
  • 主机类型 IP 需要安装包 客户端 client 192.168.152.133 MySQL 调度器 DR 192.168.152.132 ipvsadm ...DR上操作 ...[root@DR ~]# vim /etc/sysconfig/network-scripts/ifcfg-ens160 TYPE=Ethern...
    主机类型 IP 需要安装包
    客户端 client 192.168.152.133 MySQL
    调度器 DR 192.168.152.132 ipvsadm
    服务器 RS1 192.168.152.134 MySQL
    服务器 RS2 192.168.152.135 MySQL
    • DR上操作
    //配置DIP和VIP
    [root@DR ~]# vim /etc/sysconfig/network-scripts/ifcfg-ens160 
    
    TYPE=Ethernet
    BOOTPROTO=static
    NAME=ens160
    DEVICE=ens160
    ONBOOT=yes
    IPADDR0=192.168.152.132          //DIP
    PREFIX0=24
    IPADDR1=192.168.152.111          //VIP
    PREFIX1=24
    GATEWAY0=192.168.152.2
    DNS1=114.114.114.114
    
    //重启网卡
    [root@DR ~]# ifdown ens160;ifup ens160
    
    //配置路由信息
    [root@DR ~]# route add -host 192.168.152.111 dev lo
    • RS1上操作
    //修改内核参数
    [root@RS1 ~]# vim /etc/sysctl.conf
    net.ipv4.conf.all.arp_ignore = 1
    net.ipv4.conf.all.arp_announce = 2
    [root@RS1 ~]# sysctl -p
    net.ipv4.conf.all.arp_ignore = 1
    net.ipv4.conf.all.arp_announce = 2
    
    //配置RS1上的RIP和VIP
    [root@RS1 ~]# vim /etc/sysconfig/network-scripts/ifcfg-ens160 
    
    TYPE=Ethernet
    BOOTPROTO=static
    NAME=ens160
    DEVICE=ens160
    ONBOOT=yes
    IPADDR0=192.168.152.134        //RIP
    PREFIX0=24
    IPADDR1=192.168.152.111        //VIP
    PREFIX1=24
    GATEWAY0=192.168.152.2
    DNS1=114.114.114.114
    
    //重启网卡
    [root@RS1 ~]# ifdown ens160;ifup ens160
    
    //配置路由信息
    [root@RS1 ~]# route add -host 192.168.152.111 dev lo
    • RS2上操作
    //修改内核参数
    [root@RS2 ~]# vim /etc/sysctl.conf 
    net.ipv4.conf.all.arp_ignore = 1
    net.ipv4.conf.all.arp_announce = 2
    
    [root@RS2 ~]# sysctl -p
    net.ipv4.conf.all.arp_ignore = 1
    net.ipv4.conf.all.arp_announce = 2
    
    //配置RS2上的RIP和VIP
    [root@RS2 ~]# vim /etc/sysconfig/network-scripts/ifcfg-ens160 
    
    TYPE=Ethernet
    BOOTPROTO=static
    NAME=ens160
    DEVICE=ens160
    ONBOOT=yes
    IPADDR0=192.168.152.135        //RIP
    PREFIX0=24
    IPADDR1=192.168.152.111        //VIP
    PREFIX1=24
    GATEWAY0=192.168.152.2
    DNS1=114.114.114.114
    
    //重启网卡
    [root@RS2 ~]# ifdown ens160;ifup ens160
    
    //配置路由信息
    [root@RS2 ~]# route add -host 192.168.152.111 dev lo
    • DR上操作
    //在DR上添加并保存规则
    [root@DR ~]# ipvsadm -A -t 192.168.152.111:3306 -s rr
    [root@DR ~]# ipvsadm -a -t 192.168.152.111:3306 -r 192.168.152.134:3306
    [root@DR ~]# ipvsadm -a -t 192.168.152.111:3306 -r 192.168.152.135:3306
    [root@DR ~]# ipvsadm -Sn > /etc/sysconfig/ipvsadm
    [root@DR ~]# ipvsadm -ln
    IP Virtual Server version 1.2.1 (size=4096)
    Prot LocalAddress:Port Scheduler Flags
      -> RemoteAddress:Port           Forward Weight ActiveConn InActConn
    TCP  192.168.152.111:3306 rr
      -> 192.168.152.134:3306         Route   1      0          0         
      -> 192.168.152.135:3306         Route   1      0          0    
    • RS上安装MySQL,创建数据库并授权
    //下载MySQL,启动服务
    [root@RS1 ~]# yum -y install mariadb mariadb-common mariadb-devel mariadb-server
    [root@RS1 ~]# systemctl start mariadb
    
    //创建数据库并授权
    [root@RS1 ~]# mysql
    MariaDB [(none)]> create database RS1;
    Query OK, 1 row affected (0.001 sec)
    
    MariaDB [(none)]> grant all on *.* to 'root'@'192.168.152.%' identified by '123456';
    Query OK, 0 rows affected (0.001 sec)
    
    MariaDB [(none)]> flush privileges;
    Query OK, 0 rows affected (0.001 sec)
    
    MariaDB [(none)]> 
    
    //下载MySQL,启动服务
    [root@RS2 ~]# yum -y install mariadb mariadb-common mariadb-devel mariadb-server
    [root@RS2 ~]# systemctl start mariadb
    
    //创建数据库并授权
    [root@RS2 ~]# mysql
    MariaDB [(none)]> create database RS2;
    Query OK, 1 row affected (0.001 sec)
    
    MariaDB [(none)]> grant all on *.* to 'root'@'192.168.152.%' identified by '123456';
    Query OK, 0 rows affected (0.001 sec)
    
    MariaDB [(none)]> flush privileges;
    Query OK, 0 rows affected (0.001 sec)
    
    MariaDB [(none)]> 
    • 客户端验证
    [root@client ~]# ping 192.168.152.132
    PING 192.168.152.132 (192.168.152.132) 56(84) bytes of data.
    64 bytes from 192.168.152.132: icmp_seq=1 ttl=64 time=1.79 ms
    
    [root@client ~]# ping 192.168.152.111
    PING 192.168.152.222 (192.168.152.111) 56(84) bytes of data.
    64 bytes from 192.168.152.222: icmp_seq=1 ttl=64 time=2.21 ms
    
    [root@client ~]# arp -a
    ? (192.168.152.222) at 00:0c:29:99:ef:dd [ether] on ens33
    ? (192.168.152.1) at 00:50:56:c0:00:08 [ether] on ens33
    _gateway (192.168.152.2) at 00:50:56:e5:7c:35 [ether] on ens33
    ? (192.168.152.132) at 00:0c:29:99:ef:dd [ether] on ens33
    
    [root@client ~]# mysql -uroot -p123456 -h192.168.152.111 -e 'show databases;'
    +--------------------+
    | Database           |
    +--------------------+
    | RS2                |
    | information_schema |
    | mysql              |
    | performance_schema |
    +--------------------+
    [root@client ~]# mysql -uroot -p123456 -h192.168.152.111 -e 'show databases;'
    +--------------------+
    | Database           |
    +--------------------+
    | RS1                |
    | information_schema |
    | mysql              |
    | performance_schema |
    +--------------------+
    展开全文
  • TPS2044DR的技术参数

    2020-12-11 12:48:46
    产品型号:TPS2044DRFET数:4输入电压最小值(V):2.700输入电压最大值(V):5.500限流最小值(A):0.700每个FET的静态漏源直流电阻典型值(mΩ):80静态电流典型值(μA):160过流报告功能:Each过热报告功能:Yes封装/温度(℃):...
  • LVS跨网段DR模型和FWM多服务绑定实验环境 实验环境 192.168.31.169 CIP 代表客户机 192.168.31.170 代表路由设备外网地址 192.168.160.136 代表路由设备内网地址 10.0.0.200 代表路由器在内网被VIP指向外网的地址 ...
  • 搭建DR模式的LVS

    2020-04-02 22:08:09
    192.168.100.160 192.168.100.61 server1 web服务器 无 192.168.100.62 server2 web服务器 无 建议关闭防火墙和selinux 一、调度器上安装ipvsadm # yum -y install ipvsadm 二、在调度器新建一...
  • Dr. Elephant is not compiled

    2020-11-30 13:30:01
    [error] Total time: 160 s, completed Feb 18, 2019 8:56:27 AM Build failed... </code></pre> <p>Of course according to the instructions there is no 'dist' directory is not created. I took a ...
  • at sbt.ConcurrentRestrictions$$anon$4$$anonfun$1.apply(ConcurrentRestrictions.scala:160) at sbt.CompletionService$$anon$2.call(CompletionService.scala:30) at java.util.concurrent.FutureTask.run...
  • [info] Run completed in 17 seconds, 160 milliseconds. [info] Total number of tests run: 147 [info] Suites: completed 15, aborted 0 [info] Tests: succeeded 141, failed 6, canceled 0, ignored 0, pending...
  • <div><p>A trivial Valgrind-clean Qt GUI application crashes when I try to run it through Dr Memory on Linux: <pre><code> #include <qapplication> #include <qlabel> int main(int argc, char*...
  • IPVS-DR+heartbeat+ldirectord实现高可用负载均衡集群 一、环境 节点类型 主机名 ip地址 lvs-master node0 eth0:192.168.32.30 eth1:10.160.100.30 heart vip:1...
  • 附加组件:ROM中添加了一些缺少的内容,例如支持某些语言的160个字符的SMS应用程序以及全球范围内的Google Navigation *。 *官方Google导航仅在美国可用。 这是经过修改的版本,Google不提供任何保修。
  • nmcli conn add con-name eth0 type ethernet autoconnection yes ip4 172.16.0.100/16 gw4 172.160.0.1 ifname ens33 路由器 nmcli conn add con-name eth0 type ethernet autoconnection yes ip4 ...
  • 原理就是让 路由器把所有的80端口请求都分给VIP,分发器再分给每个web服务器,而web服务器处理完请求后跟客户连接就不走分发器了,直接通过路由器去外网了,这样就实现了只用一个公网IP也能用DR模式,具体配置如下先...
  •  LG的PY2DR系列供应50寸和60寸两种机型,除了等离子HDTV的所有功能之外,其在超薄的机身中内置了一台功能强大的160GB硬盘数字录像机(HD-DVR)。这款全新系列的高清晰等离子电视,不但支持数字有线功能(Digital ...
  • Multithreading

    2020-12-02 05:58:13
    t use gutter switches anymore since <a href="https://github.com/disqus/gutter/commit/9970d703477d4f51203922c7be9525ab05eb2d04#diff-a504fc26f2e5c3345d8db597649b3f2dR160">the gutter <code>Manager</code>...
  • <div><p>Hi, I'm facing a problem with starting the debug toolchain for ESP32 Thing board using gdb and OpenOCD. After starting gdb i get errors in OpenOCD and GDB displayed, but i don'...
  • DR 安装获得适合的干净的64位Linux机器。 运行安装程序脚本: curl -sSL https://stackstorm.com/packages/install.sh | bash -s -- --user=st2admin --password=Ch@ngeMe 阅读文档: : 有什么问题吗查看 或...
  • 如果你对Flutter还有疑问或者技术方面的疑惑,欢迎加入Flutter交流群(微信:laomengit)。 同时也欢迎关注我的Flutter公众号【老孟程序员】,公众号...Scaffold实现了Material风格的基本布局结构,它提供了展示dr...
  • 多级负载均衡搭建 实验环境 LVS-------ens33:192.168.160.11 ens33:0 :192.168.160.100 Nginx-----ens33:192.168.160.12 lo:0 :192.168.160.100 ...Nginx作为反向代理服务器,LVS对nginx采用DR负载均
  • <div><p>The decoder needs to support users trying to decode non-code, which is a common approach in various tools: try decoding somewhere and ...87fce160 00007ff6`f6aa6b7c drmemory!wmain+0x42a6 ...
  • MCMCMC Don't work

    2020-12-08 21:46:13
    at dr.inference.trace.LogFileTraces.loadTraces(LogFileTraces.java:160) at dr.inference.trace.TraceAnalysis.report(TraceAnalysis.java:76) at dr.inference.trace.TraceAnalysisParser.parseXMLObject...
  • <th style="width:160px">交互时间 交互类型 <th style="width:160px">业务类型 进度 操作 备注 @{foreach (System.Data.DataRow dr in dtSearchResult.Rows) { var ExchangeRate = (int)@dr["Exchange...
  • keepalived update arptables

    2013-06-19 09:17:26
    look:yum -y install arptables_jfvim dr.sh#!/bin/sh# chkconfig: 2345 90 10# description: Preparing for Load Balancer and Real Server switchingVIP=124.160.156.149LOCAL_IP=124.160.156.155BROAD...
  • 服务器1:192.168.247.160 服务器2:192.168.247.170 vip:192.168.247.180 在dir上编写一个shell脚本: vim /usr/local/sbin/lvs_dr.sh #! /bin/bash echo 1 > /proc/sys/net/ipv4/ip_forward ...

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