aws configure load balancer

] ~]# Curl 192.168.11.110rs2rs2rs2Change the polling algorithm to WRR, the weight is 2, and then execute the file, the error hint file already exists , because the /usr/local/sbin/lvs_dr.sh script file is already up eth1:0, So need to add in the script: Ifconfig eth1:0 down, then will not error;$IPV-A-t $VIP: 80-s wrr$ipv-a-T $vip: 80-r $rs 1:80-g-W 2$ipv-a-t $vip: 80-r $rs 2:80-g-W 1[[email protected] ~]# BASH/USR/LOCAL/SBIN/LVS_DR.SHSIOCADDRT: File already existsIf one of the RS is hung, it wi

Nginx Reverse Proxy Server Load balancer page cache URL rewriting and read/write splitting Outline I. Preface II. Environment preparation 3. install and configure Nginx Iv. reverse proxy for Nginx 5. Load Balancing for Nginx Vi. Nginx page Cache VII. Rewrite Nginx URLs VIII. Nginx read/write splitting Note th

/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 Sysctl-p>/dev/null 2> 1 Echo "RealServer Start OK" ;; Stop) Ifconfig lo: 0 down Route del $ SNS_VIP>/dev/null 2> 1 Echo "0">/proc/sys/net/ipv4/conf/lo/arp_ignore Echo "0">/proc/sys/net/ipv4/conf/lo/arp_announce Echo "0">/proc/sys/net/ipv4/conf/all/arp_ignore Echo "0">/proc/sys/net/ipv4/conf/all/arp_announce Ec

server IP under WCF. Such as　　　　At present, the socket server, or a server, if the merchant and the distribution staff reached a certain amount, a single server is unable to support, I think the next step is to consider the socket load balancing things, if any friends understand, also please enlighten under ha.ConclusionI was the first to deploy, before this is really not sure whether I can complete the matter, halfway also want to give up (nothing i

Analysis of Nginx Server Load balancer application cases Lab environment 11. test hardware preparationThree virtual machines, two for load balancing, and one for RS 2. test software preparationSystem: Red Hat6.4 x86_64Software: nginx-1.8.1.tar.gz3. Install the basic environment package (some systems already have it) before installation)Yum install opensslYum inst

Nginx + Tomcat + Https Server Load balancer configuration, nginxtomcat As needed, we had to build an nginx + tomcat + https server. I searched for the web and found that there was always a mistake. Now I have sorted out some useful ones and I have forgotten them. Environment: Centos6.5, JDK1.8, Tomcat8, Nginx1.10.1Preparation materials:1.jdk1.8installation package jdk-8u102-linux-x64.tar.gz 2.tomcat8install

servers (specific IIS servers) for front-end loadThe configuration is very simple, as follows:1. Download the nginx version of Windows, search on the internet on the line. Download and unzip it on the C server (192.168.0.3) C: or D: directory, for example (C:/nginx)2. Copy the ASP. NET site to a server (192.168.0.1), b Server (192.168.0.2), and set up the appropriate IIS, the port is self-defined, for example (81)Make sure that the a server and B server Pages are exactly the same, and that Web.

The difference between Nginx load balancing and counter-selection agent?A: I think there is no difference, one is called reverse proxy, more than one is called load balancing, they are used togetherSecond, the Nginx load balancing principle650) this.width=650; "src=" Http://s4.51cto.com/wyfs02/M01/84/0B/wKiom1eEXQmxD3X8AAJFEphKtCY549.png "title=" lb.png "alt=" Wk

must set the CONNECT_DATA parameter !! (Address = (Protocol = TCP) (host = IP-1) (Port = 1521 )) (Address = (Protocol = TCP) (host = IP-2) (Port = 1521 )) .... (CONNECT_DATA = (SERVICE_NAME = Service) (Failover_mode = (Type = {None| Session | select}) # function level of session reconnection. (Method = {Basic| Preconnect}) # is the connection established during failover or in advance? (Retries = 5) # Number of Retries (Delay = 1) # retry Delay ) ) Three Oracle client

8009, changed to 20009. The redirectport is changed to 20043.★Comment out the original: ★Open the comment of the cluster element, and change the listening port tcplistenport of the worker Er element to 20011.Start Tomcat 2 and you will see the following prompt:In limit at1:14:25:46 org. Apache. Catalina. Cluster. tcp. simpletcpcluster memberaddedInformation: Replication member added: org. Apache. Catalina. Cluster. MCAST. mcastmember [TCP: // 192.168.1.192: 20011, Catalina, 192.168.1.192, 20011

again, does not automatically reverse the display of the bad client information.sticky: Using nginx sticky to implement cookie-based load balancingRecompile the nginx and add the sticky module.Nginx-s Stop #先将nginx停掉Download the nginx-sticky-module-1.0.tar.gz compressed package to the/MNT directoryTar zxf nginx-sticky-module-1.0.tar.gz-c nginx-1.8.1cd/mnt/nginx-1.8.1Make clean./configure--prefix=/usr/local

client:Mysql-u u1-p12345-p 6603-h 192.168.1.3-e "show variables like ' server_id '"Mysql-u u1-p12345-p 6603-h 192.168.1.4-e "show variables like ' server_id '"4. Stop keepalived on master to see if the read-write VIP will migrate to slave.Execute separately on master and slave:Ipvsadm-lnExecute on the client:Mysql-u u1-p12345-p 6603-h 192.168.1.3-e "show variables like ' server_id '"Mysql-u u1-p12345-p 6603-h 192.168.1.4-e "show variables like ' server_id '"5. Stop MySQL on slave and read if IP

Configure haproxy L7 Server Load balancer in Route 3-Based on URL address directory forwarding ● 3.1 prepare the RS server test environment Create a test directory:For name in PHP nginx PIC; do mkdir-P/var/$ name; echo $ Name>/var/$ name/index.html; done Configure HTTP serviceDelete any Apache configuration above (or r

servers (specific IIS servers) for front-end loadThe configuration is very simple, as follows:1. Download the nginx version of Windows, search on the internet on the line. Download and unzip it on the C server (192.168.0.3) C: or D: directory, for example (C:\nginx)2. Copy the ASP. NET site to a server (192.168.0.1), b Server (192.168.0.2), and set up the appropriate IIS, the port is self-defined, for example (81)Make sure that the a server and B server Pages are exactly the same, and that Web.

Nginx Installation notes (including PHP support, virtual host, Reverse Proxy Server Load balancer) 2008-10-11 tsengyia # 126.com Nginx is said to be superior to Apache in terms of high performance and stability, strong concurrent connection processing capability, and low system resource consumption. Currently, more than 2.5 million of web sites are in useHttp://survey.netcraft.com/Reports/200809/).#########

Redissessionstateprovider component.Install-package Microsoft.Web.RedisSessionStateProvider 　　3, Nginx Service status situationEnter the command service Nginx status at the CentOS terminal to view the situation and ensure that the service is running properly.4. Web site DeploymentDeploy two sites for:Site A: port is 8081,Site B: Port is 8082,　　Second, the function effect shows(1) The browser accesses the index method, Http://192.168.119.128/demo, as shown below:(2) Browser access GetSessi

Valid_lft forever preferred_lft Forever 3:eth2: link/ether 00:0c:29:50:8e:44 brd ff:ff:ff:ff:ff:ff inet 10.0.0 .6/24 BRD 10.0.0.255 Scope global eth2 Inet6 fe80::20c:29ff:fe50:8e44/64 scope link Valid_lft forever preferred_l FT Forever [[emailprotected] ~]# IP a 1:lo: Link /loopback 00:00:00:00:00:00 BRD 00:00:00:00:00:00 inet 127.0.0.1/8 Scope host lo Inet6:: 1/128 scope host Val Id_lft Forever Preferred_lft Forever 2:eth0: Link/ether 00:0c:29:5c:2d:57 brd ff:ff:ff:ff:ff:ff inet

1. Overview of the server running * 216GSAS300G * 2centos5. 5ip: 192.168.1.21web2 (new) r1_e5606 * 216GSAS300G * 2centos5. 5ip: {* 2centos5. 3discuz forum 50 overview Server Web1 R410 E5520 * 2 16G SAS300G * 2 Centos5.5 ip: 192.168.1.21 Web2 (new) R410 E5606 * 2 16G SAS300G * 2 centos5.5 ip: 192.168.1.23 Db R410 E5504 * 2 16G SAS146G * 2 centos5.3 DiscuzThe forum has more than 5 million posts, nearly 20 thousand online users, 4 million pv/day, Added web2 server sharing forum php processing. I t

load balancing for application tiersHow Nginx requests are connectedEpoll is an enhanced version of the Select/poll IO interface for LinuxSelect traversalEpoll No traversal1.nginx installation (mail server module not installed)./configure--help View compilation optionsThe path in the configuration file does not start with the path specified in prefix./configure \

) Start Nginx Service(2) Modify the Nginx configuration, specific configuration instructions, we set the parameters in the department description, and then verify that the service started normally.(3) Access address http://localhost:8010/WebForm1.aspx observation results(4) So we can simulate the load-balancing effect, OKIv. Other Notes(1) Configure the domain name access: First we want to add the domain na