l4 switch load balancing

downQuery Nginx main process numberPs-ef | grep nginxCalmly stop Kill-quit master process numberFast Stop Kill-term main process numberForce Stop kill-9 NginxIf the PID file path is configured nginx.conf, if not, in the logs directoryKill-Signal type '/usr/local/nginx/logs/nginx.pid 'Upgrade1. Replace the old program file with the new program first2, KILL-USR2 the old version of the program's main process number or process file nameAt this point the old Nginx master process will rename its proc

, Configuration keepalived#配置A服务器 #配置B服务器3. #/etc/keepalived/change_mysql.sh script content for strong kill keepalived process4, #配置好后开启两服务器 keepalived#/etc/init.d/keepalived Start #ps aux | grep keepalived5. View status# IP A keepalived work mechanism is: every 2 seconds to check the status of Real_server monitoring, once the database down, the VIP will be transferred to another stage, so that the rapid failover of the fault, the user in the VIP connection through the basic can remain connected

-server.exe--service-install redis.windows.confOpen the Services in Control Panel, management tools, and see if there is a Redis service in the list of services. If it is not started, turn it on.(3): Open the Redis Client Action window and double-click Redis-cli.exe.InputSet Redisdemo FirstReturn to OKEnter Get RedisdemoReturn to "first"Description Redis installed as a Windows service has succeededFinally, students who are unfamiliar with Redis can take a look at the two posts recommended below1

MySQL main standby switchThe database consists of a primary server and a backup server, which is run concurrently and synchronized to the backup server immediately after the master server has data changes. In daily operations, in order to anticipatory, the switch operation only needs to replace the IP of the database server in the connection pool with the IP of the backup server. Nginx High-Performance HTTP and reverse proxy service, can realize the p

$fastcgi_script_name; the # include fastcgi_params;Bayi #} the the # Deny access to. htaccess files, if Apache ' s document Root - # concurs with Nginx ' s one - # the #location ~/\.ht { the # deny all; the #} the } - the the # Another virtual host using mix of ip-, name-, and port-based configuration the #94 #server { the # Listen 8000; the # listen somename:8080; the # server_name Somename alias Another.alias;98 About # location/{ - # root HTML;101 # index i

1. install necessary software Server Load balancer: set IP address to 192.168.1.10 Web Server 1: install Apache or nginx and set the IP address to 192.168.1.11; Web Server 2: install Apache or nginx and set the IP address to 192.168.1.12. Ii. Configure the server Load balancer instance 1. Create an extra folder under the nginx conf directory and edit and generate a configuration file, such as t_servers

worker processes to restart services, smooth upgrade, change log files, configuration files in real-time function and other functions. To control Nginx, you only need to send a signal to the master process via kill. Kill Master 8682 as follows to stop NginxWorker processThe basic network events are handled in the worker process. Multiple worker processes are equivalent, they compete for requests from clients equally, and each process is independent of each other. A request can only be processed

-click Network Neighborhood → Properties →tcp/ip→ set IP address, default gateway, subnet mask (note: Set first: 255.255.255.0). Start → run →regedit→ find entries in the registry that are related to Microsoft Loopback Adapter, and change the subnet mask to: 255.255.255.255. Configure the system to run the appropriate services and configure the configuration that is appropriate for Control Manager management so that it can be used in Control Manager. 2.4 Performing content synchronization in

configured to complete, enter the command:1 Ndb_mgm–e ShowIf the following information appears, the configuration is successful:If you do not see the above information, it may be a firewall problem, you can choose to switch the CentOS firewall, the command is:1/etc/init.d/iptables stopOf course you can choose to configure the firewall, open up some necessary ports, you can refer to my other article CentOS Open 3306 portClose the cluster and execute t

Topology description: 650) this. width = 650; "onclick = 'window. open (" http://blog.51cto.com/viewpic.php? Refimg = "+ this. src) 'border =" 0 "alt =" "src =" http://img1.51cto.com/attachment/201012/143538619.gif "/> Network Description:Four public network lines are connected at the network egress. For example, two egress firewalls are used as HA and the egress address of the firewall is the address of CERNET. That is, VLAN should be enabled for the access port of the Radware LP

10.0.0.202/16 BRD 10.0.255.255 Scope Global eth1inet 10.0.0.210/32 Scope Global eth1 do you have a VIP ? OK if you have oneInet6 FE80::20C:29FF:FE8C:4CEC/64 Scope linkValid_lft Forever Preferred_lft Forever3.7. Access TestWhether you can see WEBIP# ipvsadm-lIP Virtual Server version 1.2.1 (size=4096)Prot Localaddress:port Scheduler FlagsRemoteaddress:port Forward Weight activeconn inactconnTCP 10.0.0.210:http RR-10.0.0.204:http Route 1 0 0-10.0.0.201:http Route 1 0 0Then access via browser: ht

synchronization to resolve.5 SSL ConfigurationTo generate a secret key under nginx/conf:#生成RSA密钥openssl dsaparam-rand-genkey-out myrsa.key 1024# generate the CA key: (To enter a password you remember) OpenSSL gendsa-des3-out Cert.key Myrsa. key# Use this CA key to create the certificate, need the password created in the previous step OpenSSL req-new-x509-days 365-key cert.key-out cert.pem# Set the certificate to the root dedicated chmod#生成免密码文件OpenSSL rsa-in cert.key-out cert.key.unsecureIf you

Nginx tomcat Cluster load balancing solution notes Windows download nginx address: http://nginx.org/the version used in this article is 1.5.1 download after decompression, In the conf directory to modify nginx. conf: # user nobody; worker_processes 1; # error_log logs/error. log; # error_log logs/error. log notice; # error_log logs/error. log info; # pid logs/nginx. pid; events {worker_connections 1024;} ht

Take the 4.1.102.29716 version of the Iomega px4-300d model as an example, first we log into the Iomega Device Management page, open the "network" management functions; In the network settings, open "Connect network interface", the other network card selected, select "Apply". Click "Modify Network Settings", in the bounce out of the dialog box can choose multiple network adapter binding load Ba