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:200717 errors:0 dropped:0 overruns:0 frame:0TX packets:5898 errors:0 dropped:0 overruns:0 carrier:0collisions:0 txqueuelen:1000RX bytes:18742847 (17.8 MiB) TX bytes:2064730 (1.9 MiB)Lo Link encap:local Loopbackinet addr:127.0.0.1 mask:255.0.0.0Up LOOPBACK RUNNING mtu:65536 metric:1RX packets:0 errors:0 dropped:0 overruns:0 frame:0TX packets:0 errors:0 dropped:0 overruns:0 carrier:0collisions:0 txqueuelen:0RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)This article is from the "Technology vs" blog, so be
A simple problem with Integers Time limit:5000 Ms Memory limit:131072 K Total submissions:62228 Accepted:19058 Case time limit:2000 ms Description You haveNIntegers,A1,A2 ,...,An. You need to deal
Experiment topology of ipv6 Network Protocol Configuration:Tutorial objective: (1) configuring rip Protocol in ipv6 (2) configuring ospf protocol in ipv6 (3) configuring ospf protocol in ipv6 (4) let the two ipv6 networks pass through ipv4 network communication (Tunnel) www.2cto.com basic information configuration IP Address Allocation: r1: f0/0: 2000: 1/16s1/0: 2001: 1/16r2: s1/0: 2001: 2/16s1/1: 2002: 1/16r3: s1/0: 2002: 2/16f0/0: 2003 :: 1/16 ipv6 Address Configuration: r1 (config) # in f0/0r
'///Modify machine IP, mask, Gateway, workgroup, machine name Sub Wmitoip (t) Strcomputer= "." strmask= "255.255.255.0" Dim lt,rt ' variable Dim Ipv,gateway,lan ' IP, Gateway, workgroup Lt=cint (Left (t,1)) ' Machine number 1 digit value Rt=cint (Right (t,2)) ' machine number two digits value If Lt=1 or lt=2 then ' Judge Gateway Gateway= "192.168.1.254" Else Gateway= "192.168.3.254" End If If Lt=1 then ' No. 1th Room Lan= "S01"
Cint (t) Inputon = t' return the required computer nameExit functionEnd ifEnd ifWendEnd function '// Modify the machine ip address, mask, gateway, working group, and machine nameSub wmitoip (t)StrComputer = "."Strmask = "255.255.255.0"Dim lt, rt 'variableDim ipv, gateway, lan ip, gateway, workgroupLt = cint (left (t, 1) 'value of the first digit on the left of the host numberRt = cint (right (t, 2) 'machine number right two-digit Value If lt = 1 or l
#! /Bin/sh # iptables start iptables firewall # chkconfig: 2345 08 92 # Description: starts, stops and saves iptables firewall # config:/etc/sysconfig/iptables # config: /etc/sysconfig/iptables-config #### begin init info # provides: iptables # required-start: # required-stop: # default-start: 2 3 4 5 # default-stop: 0 1 6 # Short-Description: Start and Stop iptables firewall # Description: St Art, stop and save iptables firewall ### end init info # source function library .. /etc/init. d/functi
named value is DisabledComponents, and then the value is FFFFFFFF (16 binary)Effective after rebootDisablecomponents Value Definition:0, enable all IPV 6 components, default settings0xFFFFFFFF, disable all IPV 6 components, except IPV 6 loopback interface0x20, use IPv 4 instead of
static IP address, and that the network is not in the IPv6 access, Therefore, the decision to disable the IPv6 and tunnel adapters is as follows:Disabling IPv6 is simple, go to Control Panel \ Network and internet\ Network and Sharing Center Click "Change Adapter Settings" on the right side of the panel to enter the network connection interface, select the connection you want to set, right-click the attribute, and cancel Internet protocol version 6 (TCP/IPV6) The previous selection box is OK. T
//view[[email protected] ~]# iptables-t nat-f//Purge rule2. Configure the DR[[email protected] ~]# vim/usr/local/sbin/lvs_dr.sh//Edit Script#!/bin/bashEcho 1 >/proc/sys/net/ipv4/ip_forwardIpv=/sbin/ipvsadmvip=10.30.4.180rs1=10.30.4.41rs2=10.30.4.141Ifconfig eth0:0 $VIP broadcast $VIP netmask 255.255.255.255 upRoute add-host $vip Dev eth0:0$IPV-C$IPV-A-T $VIP: 80-s RR$IP
On the basis of the LVS NAT mode1. Clear the Ipvsadm ruleIpvsadm--ln2. Clear the Iptables ruleIptables-t nat-f3. Modify the RS network adapter configuration, modify the back gatewayvi/etc/sysconfig/network-scripts/ifcfg-eth0 restart Eth0ifdown eth0; ifup eth04.dir NICIfdown eth1dirip:192.168.1.118 rs1ip:192.168.1.116 rs2ip:192.168.1.115 is considered an extranet IP.Add a virtual ip,vip above dirvim/usr/local/sbin/lvs_dr.sh#! /bin/Bashecho1>/proc/sys/net/ipv4/IP_FORWARDIPV=/sbin/IPVSADMVIP=192.16
://s3.51cto.com/wyfs02/M00/76/41/wKiom1ZN456SFcQFAAA5hpa7R0c039.png "title=" Image.png "alt=" Wkiom1zn456sfcqfaaa5hpa7r0c039.png "/>Dir on the hostDirector on vim/usr/local/sbin/lvs_dr.sh//increase! /bin/bashecho 1 >/proc/sys/net/ipv4/ip_forward #打开端口转发功能Ipv=/sbin/ipvsadmvip=192.168.0.198rs1=192.168.0.207rs2=192.168.0.208Ifconfig eth0:0 $VIP broadcast $VIP netmask 255.255.255.255 upRoute add-host $vip Dev eth0:0$I
Tags: Linux learning18.11 LVS Dr Mode Setup (recommended)Dr Mode Setup – Preparation workThree machinesDispatcher, also known as the Scheduler (dir)133.130Rs1133.132Rs2133.133Vip133.200Dr Mode SetupDir writes script vim/usr/local/sbin/lvs_dr.sh//content as follows#! /bin/bashEcho 1 >/proc/sys/net/ipv4/ip_forwardIpv=/usr/sbin/ipvsadmvip=192.168.133.200rs1=192.168.133.132rs2=192.168.133.133#注意这里的网卡名字Ifconfig ens33:2 $VIP broadcast $VIP netmask 255.255.255.255 upRoute add-host $vip Dev ens33:2$
script execution, do not manually set;Director (eth1: 192.168.11.11 vip eth1: 0 192.168.11.110)Real server1 (eth1: 192.168.11.100 vip lo: 0: 192.168.11.110)Real server1 (eth1: 192.168.11.101 vip lo: 0: 192.168.11.110) Add the following content to vim/usr/local/sbin/lvs_dr.sh on ctor#! /Bin/bashEcho 1>/proc/sys/net/ipv4/ip_forwardIpv =/sbin/ipvsadmVip = 192.168.11.110Rs1 = 192.168.11.100Rs2 = 192.168.11.101Ifconfig eth1: 0 $ vip broadcast $ vip netmask 255.255.255.255 upRoute add-host $ vip dev
Entries generated by the system in different steps: 1) The inventory module generates the following entries for receiving:Borrow: material procurement (purchase Unit Price X order quantity)Loan: accrued liabilities (purchase Unit Price X order quantity) 2) The entries generated by the inventory module during inspection and warehouse receiving are:Borrow: raw materials (depending on the sub-stock subject settings) (system cost X order quantity)Loan: material procurement (purchase Unit Price X or
/sbin/lvs_dr.sh//Add the following content#! /bin/bashEcho 1 >/proc/sys/net/ipv4/ip_forwardIpv=/sbin/ipvsadmvip=192.168.11.110rs1=192.168.11.100Rs2=192.168.11.101Ifconfig eth1:0 $VIP broadcast $VIP netmask 255.255.255.255 upRoute add-host $vip Dev eth1:0$IPV-C$IPV-A-T $VIP: 80-s RR$IPV-A-t $vip: 80-r $rs 1:80-g-W 1$IPV
4 Servers Required First2 dir respectively is Dirmaster Dirslave2 RS run Nginx test service respectivelyDir192.168.186.129192.168.186.135Rs192.168.186.130192.168.186.132 First Build LVS-DR ServiceA.dir above installation Ipvsadm Yum Install IpvsadmB. Changing the Ipvsadm configuration filevim/etc/usr/local/sbin/lvs_dr.sh#! /bin/bashecho 1 >/proc/sys/net/ipv4/ip_forward #dir服务器行开启路由转发功能Ipv=/sbin/ipvsadmvip=192.168.186.110rs1=192.168.186.1
=192.168.11.100rs2=192.168.11.101ifconfig eth1:0 $VIP broadcast $vip netmask 255.255.255.255 uproute add-host $vip Dev eth1:0$ipv-c$ipv-a -T $VIP: 80-s rr$ipv-a-T $vip: 80-r $rs 1:80-g-W 1$ipv-a-t $vip: 80-r $rs 2:80-g-W 1Two RS on:vim/usr/local/sbin/lvs_dr_rs.sh#! /bin/bashvip=192.168.11.110ifconfig lo:0 $VIP broadcas
version of the upgradeThe same profile provided does not directly overwrite the old version of the configuration file, and the new version of the file is renamed (filename.rpmnew) after the retention1. The sum of all positive integers within 100#!/bin/bashRead-p "First Number:" ARead-p "second number:" B[$a-ge $b] echo "sum is" seq-s+ $b $a | BC ' "| | echo "Sum is" seq-s+ $a $b | BC ' "[Email protected] bin]# bash shushu.shFirst Name is A:2Second name is b:100sum= 50492, through the ping comm
without this file, just new one) add the following to the inside Echo 1 >/proc/sys/net/ipv4/ip_forward Ipv=/sbin/ipvsadmvip=192.168.1.110rs1=192.168.1.113rs2=192.168.1.133Ifconfig eth0:0 DownIfconfig eth0:0 $VIP broadcast $VIP netmask 255.255.255.255 upRoute add-host $vip Dev eth0:0$IPV-C$IPV-A-t $VIP: 80-s WRR$IPV-A
, we can modify the default page of Nginx for the sake of partition: Rs1: Echo "Rs1rs1" >/usr/share/nginx/html/index.html RS2: Echo "Rs2rs2" >/usr/share/nginx/html/index.html 3. LVS/DR Configuration Three machines: Director (eth0192.168.31.166, VIP eth0:0: 192.168.31.110) Real Server1 (eth0 rip:192.168 31.100, VIP lo:0:192.168.31.110) Real Server2 (eth0 rip:192.168.31.101, VIP lo:0:192.168.31.110) Director on vim/usr/local/sbin/lvs_dr.sh//increase #! /bin/bash Echo 1 >/proc/sys/net/ipv4/ip_forwa
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