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after the normal installation of Zabbix, after login Zabbix monitoring error Zabbix Server is not running:the information displayedHere are a few things that could cause this error,1. If SELinux is closed. Be sure to turn this off, and turning on SELinux can cause a series o
This document tags: heap sort php php algorithm heap sorting algorithm two fork heap data structure /c12> REST server What is a heapHere the heap (binary heap), refers to not the stack of the heap, but a data structure.The heap can be regarded as a complete two-fork tree, and an "excellent" property of a complete binary tree is that each layer
After installing Zabbix, it was found that Zabbix server was not running this error, 650) this.width=650; "title=" image "style=" border-top:0px; border-right:0px; Background-image:none; border-bottom:0px; padding-top:0px; padding-left:0px; border-left:0px; padding-right:0px "border=" 0 "alt=" image "src=" http://s3.51cto.com/wyfs02/M01/77/D2/ Wkiom1zuvr3qbsdnaagnenxnhzw102.png "" 484 "height=" 188 "/> Firs
Use zabbix's built-in key to monitor processes and ports Every company has its own program, its own process name and port listening. For Nagios, these often need to write their own plug-ins, but zabbix does not need them, it has its own monitoring process and port key. Before using the zabbix key to monitor processes and ports, I also wrote the plug-in myself, but it is
The previous section was configured with simple check, and now you can use the ICMP ping to monitor the operation of the charging node with simple check.Zabbix use fping to handle requests for ICMP pings, you need to install fping programs, and after installation, you need to configure fpinglocation installation paths in the parameters fping in zabinx_server.conf.Because the fping default is the root permission to work, and
What is an IOC container? What is the use? What is facade? What is the use of IOC containers? What
Tags: LAN meaning spatial database decision proc MYSQLD ref processafter: nothing to open before colleagues do Zabbix page found found reported MySQL error, no time After restarting the MySQL database, it's been a few minutes. After a while, there's no graphic display. Enter the database, show processlist; We found a lot of errors with the session delay. After half a day of troubleshooting, found that the space to store data
After the normal installation of Zabbix, after login Zabbix monitoring error Zabbix Server is not running:the information displayed Here are a few things that could cause this error, 1. If SELinux is closed. Be sure to turn this off, and turning on SELinux can cause a series
Label:#!/bin/bash#zabbix one-click Install # Database user name dbuser= ' root ' #数据库用户密码DBPASS = ' root ' #本地地址DBHOST = ' localhost ' #zabbix download version zbx_ver= ' 2.4.3 ' # # #检查返回值 function Checkreturn {if [$1-ne 0]; then echo "Fail: $" echo "$" exit Else Echo "pass: $" fi SL Eep 3}## #安装的前提条件 # # #只个版本只可在centos或redhat 6.0 Install # # #前提需要先安装mysql cat Zabbix
1. Error backgroundOn centos6.5, the source deployment Zabbix the latest version zabbix-3.2.14. Error when configuring mail to send alerts after deployment2. Error message3. Cause analysisThe result of the retrieval from the Internet is that the Curl version in the system is too low and does not support the SMTP protoc
Bit rate control is actually a coding optimization algorithm, which is used to control the video stream size. So what is the purpose of its control? We can imagine that the same video encoding format, the code flow is large, it contains more information, then the correspondi
Tag:sansconfigfonttop Restart Pack ttextblephpize install PHP enable Bcmath and GetText (can be added when PHP is installed--enable-bcmath--enable-gettext)1,bcmath Installation MethodBcmath This extension is available in the PHP source installation package, which needs to be recompiled before it can be supported;CD Php-5.2.7/ext/bcmath (source package) /usr/local/ Php/bin/phpize (compiled) ./configure--w
Today encountered Zabbix not go up the problem, and the user name and password are correct later please operational dimension troubleshooting, the result is the server date is wrong, resulting in ..., so change the server time can be In general, the following points are missing from the session: 1, the client has disabled cookie 2, the browser cannot access cooki
What is Flex? What is the relationship between flex and flash? What problems does flex solve? What is the relationship between flex and J2EE/. Net? Flex
What is an IOC container? What is the use? What is facade? What's the use? Reply to discussion (solution) Ioc (inversion of control) Chinese translation inversionis the reverse mode of the Factory modeFacade (appearance) mod
wget Command[[Email protected] ~] # wget--spider-t 5-q-T 2 www.jd.com [root@oldboy ~] # echo $? #0Curl Command1. Use the Curl command return value to determine if the site is normal[[Email protected] ~] # curl-s-o/dev/null www.xxxx.com [root@zabbix ~] # echo $? 02. Get the status code after command execution (200 indicates normal)[[Email protected] ~] # Curl-i-M 5-s-W "%{http_code}\n"-o/dev/null www.baidu.
1.. Net is a development platform, and. NET Framework is the basic class library of this development platform. 2. framwork is a class library, excluding development tools. ASP. NET is an application. framwork contains the controls required to Develop ASP. NET applications. What
Scope is for variables, for example, we create a function that contains a function, and now there are three scopesGlobal scope ==> function 1 Scope ==> function 2 scopeThe scope is characterized by first finding it in its own variable range, and if not, it will look up along the scope.Such as:var a = 1;function B () { var a = 2; Function C () { var a = 3; Console.log (a); } C ();}
Note: This article comes from " what is Ooa in Java?" What is Ood? What is OOP? "In Java, what is OOA?
. Second, by abandoning individual things in the details of the differences, extracting their common characteristics and get a group of things abstract concept.Abstraction is the most widely used principle in object-oriented methods. Abstract principles include two aspects of process abstraction and data abstraction.Process abstraction means that any sequence of operations that completes a deterministic function can be viewed by the user as a single e
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