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Self-study IT network Linux load balancing video tutorial

Course Intermediate 10928

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Shangxuetang MySQL video tutorial

Course Advanced 16930

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Band of Brothers front-end example display video tutorial

Course Advanced 10632

Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.

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centos - Service Temporarily Unavailable -- 503

在自己电脑的虚拟机中安装了gitlab，装完以后请求登陆却报503错误，以前安装nagios和nginx也是出现类似情况都没有解决，请求大神帮助。具体错误提示： The server is temporarily unable to service your reques...

2017-04-25 09:02:07

Ways to fix issue 2003 (HY000): Unable to connect to MySQL server 'db_mysql:3306' (111)

I recently tried to containerize my FastAPIPython server (also for replication/doubling purposes). Before, I had just a MySQL server in a Docker container and everything was fine, but when I also made my web server a service, it couldn't connect to the MySQL server, so now the application doesn't work. Below is the code snippet of the server database initialization connector in the application fromfastapiimportFastAPIimportmysql.connectorapp

2023-09-05 11:18:47

Experiment with sorting after query limit

So this is my first question here, please forgive me if something is wrong. I'm trying to make a sort query based on constraints. So there is a Customers table with 90 records. I want to first perform a query limited to 3 records, and then sort the results of this query by a column called ContactName. I think this might be a nested query. Nested queries run fine in SQLServer, but don't know how to implement it in MySQL. Limit query: Select*fromcustomerslimit

2023-09-05 14:46:42

CSS Grid: Create new row when child content overflows column width

I have a two column layout based on CSS grid. When the content of the second column exceeds 1fr I want to create a new row. As it currently stands, the content simply overflows the column. One requirement of this layout is that the items in the right menu column are in one row. I achieve this with: .right-menu{...grid-auto-flow:columndense;...} If I remove the grid-auto-flow attribute, the overflow stops. However, the items are now stacked into multiple rows, which is not what I want. I also tried converting .ri

2023-09-05 15:18:28

PHP full text search functionality using AND, OR and NOT operators

Newbie question: I'm trying to implement a full text search on a search string using php and eloquent. $searchstring="+(victimsuspect)+crime-covid";$searchresult=RssItem::whereRaw("MATCH(description)AGAINST('$searchstring'INBOOLEANMODE)")->ge

2023-09-05 15:06:32

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Nagios的安装配置与应用之一Nagios的安装

Course Introduction：Nagios的安装配置与应用之一Nagios的安装

2016-06-20 comment 0 755

PHP implements open source Nagios network monitoring tool

Course Introduction：Nagios is an open source network monitoring tool used to monitor the running status of networks, servers and applications. It can detect and report network anomalies, failures and performance issues to help system administrators take timely measures to avoid system crashes. In this article, we will introduce how to use the PHP language to implement the open source Nagios network monitoring tool and discuss how to apply it in a real environment. 1. Install PHP and Nagios Before starting, you need to install PHP and Nagios. PHP is a popular

2023-06-18 comment 0 1008

Advantages and disadvantages of nagios and zabbix

Course Introduction：Nagios and Zabbix are the leaders in monitoring. Nagios is suitable for small to medium-sized environments and offers a high degree of customizability, while Zabbix is suitable for large-scale monitoring and offers rich functionality and ease of use. The choice depends on factors such as size, feature requirements, customizability, price, and user-friendliness.

2024-04-18 comment 0 1014

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