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DNS Service delegation Environment: Two DNS servers (one parent domain, one table domain), one client Objective: To facilitate maintenance when there are too many subdomains Steps: 1. Open "Start" → "Administrative Tools" → "Server Manager" in the parent domain DNS server and click "Add Roles". : 650) this.width=650; "Style=" background-image:none; border-bottom:0px; border-left:0px; margin:0px; padding-left:0px; padding-right:0px; border-top:0px; border-right:0px; padding-top:0px "title=" clip_

Pre-built a Linux server for business testing, hard disk space partition is relatively small, with the test system function gradually grow, hard disk space appears to be stretched, this needs to be enlarged. It is recommended to save the backup important data files when the server is restarted during the expansion process.First, using the partitioning tool1. View Hard DiskFdisk-l650) this.width=650; "Src=" https://s2.51cto.com/wyfs02/M01/8E/F0/wKioL1j

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Certificate Services AppEnvironment: A single domain controller server 2008, one clientPurpose: Encrypt dataSteps:1. On the domain controller, in Administrative Tools, open Server Manager, select Roles, and click Add Roles.2. In the Select Server Roles window, select Active Directory Certificate Services, and then tap Next. ：650) this.width=650; "Style=" background-image:none;border-bottom:0px;border-left:0px;margin:0px;padding-left:0px ;p adding-right:0px;border-top:0px;border-right:0px;padding

tell xinetd which script to run, and when a connection comes in, XINETD executes the script and returns the contents of the script output directly. HAProxy -> xinetd -> mysql-checkScript, Haproxy Gets the status information of MySQL Configuration Case for xinetd Let's implement a simple xinetd example, open port 9200, and return the output of a test script If there is no xinetd on the machine, install it first, CENTOS7 can use the commandyum inst

First, Cluster API detailed1, cluster health (get the status of the cluster)Cluster Status:Green: It means that all the fragments are assignedYellow: Yellow indicates that the primary fragment is assigned, but the copy is notRed: Indicates that a specific fragment is not allocated in the clusterRequest parametersLevel:cluster,indices,shardsWait_for_status:green,yellow,red[Email protected] ~]# Curl-xget ' http://10.2.11.225:9200/_cluster/health/tomcat-

The official PHP API is written in the ribs, and the following class can be manipulated using the ES API. [PHP]View Plaincopyprint? Class ElasticSearch { public $index; function __construct ($server = ' http://localhost:9200 ') { $this->server = $server; } function Call ($path, $http = Array ()) { if (! $this->index) throw new Exception (' $this->index needs a value '); return Json_decode (file_get_contents (

IntroducedLoad balancing is a common technique for optimizing resource utilization across multiple application instances, maximizing throughput, reducing latency, and ensuring fault tolerance.Nginx supports the following three types of algorithms:Round-robin: Request loop release to each machineLeast connected: The next request will be sent to the server with the least number of active connectionsSession Persistence: The hash function is used to determine what server should be selected for the n

Check Port 9200 Inter 12000 RI SE 3 Fall 3 server MYSQL-PXC02 192.168.163.7:3306 Check Port 9200 Inter 12000 rise 3 Fall 3 backend stats-back mode HTTP b Alance roundrobin stats uri/haproxy/stats stats auth Pxcstats:secret backend pxc-onenode-back mode TCP balance Leastconn Option Httpchk Server mysql-pxc01 192.168.163.6:3306 Check Port 9200 Inter 12000 Rise 3 F

Tags: percona xtradb cluster Sysbench haproxyXtradb after the cluster deployment is complete, 3 machine can read and write at the same time, it needs to be built in front Haproxy For load Balancing. official website haproxy Configuration reference address:Https://www.percona.com/doc/percona-xtradb-cluster/5.6/howtos/virt_sandbox.htmlHaproxy Server Configurationtake a machine as a haproxy, here is 192.168.6.219. Installing HaproxyYum Install Haproxy-yConfiguration file:[Email protected] ~]# cat/e

;" Du: Statistics directory and the space occupancy of files, 650) this.width=650; "Style=" background-image:none; border-bottom:0px; border-left:0px; margin:0px; padding-left:0px; padding-right:0px; border-top:0px; border-right:0px; padding-top:0px "title=" clip_image017 "border=" 0 "alt=" clip_image017 "src=" http://s3.51cto.com/wyfs02/M02/77/8C/ Wkiol1zpg3fwhu8naaahs6hesxg455.gif "" 244 "height="/> 650) this.width=650; "Style=" background-image:none; border-bottom:0px; border-left:0px; margin

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This article mainly introduces the installation of the open source GIS database product postgres , Download the installation file from PostGIS official website, http://postgis.netDouble-click the installation file650) this.width=650; "title=" poststor install 1.png "src=" https://s3.51cto.com/wyfs02/M02/8E/5E/ Wkiom1i-jjzaxwlraac5v9lz36o975.png-wh_500x0-wm_3-wmp_4-s_4073467970.png "alt=" Wkiom1i-jjzaxwlraac5v9lz36o975.png-wh_50 "/>Click Next, conti

1. Newly installed virtual system1.1 Viewing virtual machine gatewaysExample: 192.168.64.2Description: The virtual gateway is only available in NAT mode650) this.width=650; "src=" Https://s1.51cto.com/wyfs02/M02/8E/2E/wKioL1i34-OCrcYnAABB4eHy3Pk434.png "title=" twz1o ' 2ls%c0sw_p_s0{tig.png ' alt= "Wkiol1i34-ocrcynaabb4ehy3pk434.png"/>650) this.width=650; "src=" Https://s4.51cto.com/wyfs02/M01/8E/2E/wKioL1i

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The main content of this article:1 common operations for ElasticSearch2 ElasticSearchBulk Command ES REST APIThe Elasticsearch supports a variety of communications, including the HTTP request response service, so you can send HTTP requests with the Curl command and get the JSON return content.Common REST requests are:Check cluster statusCurl Localhost:9200/_cat/health?vCheck node statusCurl Localhost:9200