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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11330

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 17632

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 11346

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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apache - Why is there a loading lag when I open a website on a local area network? But it doesn't work when opened locally on the server?

Web page 1: Web page 2: It is found that the slowness is mainly caused by the download of the home page. (But if you download from this server, you can directly enjoy the full 100Mbps network speed.) Network environment: Unit LAN environment {code...} Hardware configuration (virtual machine): 8-core CPU, 4G memory, hard disk IO reading...

2017-05-16 17:01:25

python - How to delete files "slowly"?

Now there is a requirement to delete slow cache files in the background. The cache files are very large. Sometimes a single file is hundreds of gigabytes. When deleting, the hard disk usage must not exceed 5%~10%. Is there any way? Win7 NTFS partition In fact, you can also ask how to delete part of the file instead of the entire file...

2017-05-16 13:31:15

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

MoreQ&A

How to check centos hard disk capacity

Course Introduction：The centos tutorial column below will introduce to you the method of checking the centos hard disk capacity. I hope it will be helpful to friends in need! View disk usage "df -h"...

2020-09-10 comment 0 10011

How many grams is a t of mobile hard disk?

Course Introduction：One t of the mobile hard disk is 1000g, which is displayed as about 932GB in the Windows operating system; when converting "T" to "G", the decimal conversion method of the International System of Units must be used. The conversion method is "1TB = 10^3 GB= 10^6 MB = 10^9 KB =10^12 Byte".

2020-05-12 comment 0 37719

Hard disk browsing program, save it in web page format and use it_javascript skills

Course Introduction：Hard disk browsing program, save it in web page format and use it

2016-05-16 comment 0 881

What should I do if the Win11 mobile hard disk pop-up always says that the device is in use?

Course Introduction：When users use a USB flash drive to eject, a "device in use" prompt will appear. This is usually caused by the program using files in the device. So how to set this up? Users can directly click on the management event, and then directly view the first event to set it. Let this site introduce to users in detail what to do if Win11 mobile hard disk pops up and always says the device is in use. What should I do if the Win11 mobile hard disk pop-up always says that the device is in use? 1. Open win+x, event viewer, click Manage Events, and then we click to eject the USB disk. 2. The problem will be displayed, and then when we click the refresh event, a warning will appear. 3. Click to view the first event. This text will appear. Remember to enter

2024-02-11 comment 0 1289

The secret of Linux system hard disk expansion: physical connection VS virtualization, which one is faster and easier?

Course Introduction：With the advancement of technology, computers have become an indispensable element in our daily lives. For computers, the performance of the hard disk is crucial to the fast operation of the overall system and the temporary storage of large amounts of data. Below, I, a seasoned system management expert, will conduct a detailed analysis and comparison on how to add a hard disk to a Linux system. 1. Add the background of the hard disk Hello! When the daily data volume gradually increases, it is necessary to upgrade the hard drive capacity to adapt. Introduction to the Linux operating system in the Linux system environment, you can add a hard disk through many methods, such as directly replacing the physical hard disk or using virtualization technology. 2. Physical device connection Physical device connection is one of the simple and conventional operation methods. For example, connect the

2024-02-14 comment 0 1187

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