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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11214

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 17559

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 11269

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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PHP obtains the address pointed to by the Linux soft link

I would like to ask if there is a way to get the address of the php folder soft link when accessing the /var/www/html/php/ folder with PHP.

2018-08-07 21:22:15

server - Nginx configuration webapp problem

Self-study for novices, deploy nginx on AWS. After installing nginx normally on the server, the welcome page Welcome to Nginx opens smoothly without any problems! Then create the nginx configuration file, softly connect it to /etc/nginx/sites-enabled/, check that the soft link is correct, and check the configuration file command display syntax through nginx. ...

2017-05-16 17:15:55

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

What is a linux soft link?

Course Introduction：In Linux, a soft link is equivalent to a shortcut in Windows and exists in the form of a path; in a soft link, the file is actually a text file that contains the location information of another file. The syntax for creating a soft link is "ln -s target source". The parameter "target" represents the target file (folder), that is, the pointed file (folder), and the parameter "source" represents the name of the soft link in the current directory, that is, the source file. (folder).

2022-06-17 comment 0 8405

How to create a soft link

Course Introduction：Create a symbolic link on your computer that points to another file or directory. In Linux, you can use the ln command to create a soft link, and in Windows, you can use the mklink command to create a soft link. Whether in Linux or Windows, creating soft connections requires sufficient permissions.

2023-10-25 comment 0 5247

How to delete soft link files in php (a brief analysis of the method)

Course Introduction：In PHP, deleting soft link files is not a difficult task. A soft link is a special type of file that does not contain any actual data itself, but is just a pointer to another file or directory. Therefore, deleting a soft link file does not delete the actual file or directory it points to. Below we will introduce step by step how to delete soft link files in PHP. Step 1: Check the soft link. Before deleting the soft link file, we need to confirm that the file to be deleted is a soft link and not an ordinary file. This can be done via PHP's is_link

2023-04-03 comment 0 1184

What is the difference between soft link and hard link

Course Introduction：The difference between soft links and hard links: soft links are equivalent to shortcuts, and hard links are equivalent to mirrors. A soft link to a directory is just a shortcut to a directory to a specified location. When the operating system finds this shortcut, it will directly find the files in the real directory.

2020-08-03 comment 0 5912

In-depth understanding of the difference between soft links and hard links in Linux

Course Introduction：Soft links and hard links in Linux are two common link methods. They have some differences in use. This article will explore in depth the characteristics and differences of these two links. 1. Soft link A soft link (symbolic link), also known as a symbolic link, is a link pointing to a file or directory, similar to a shortcut under Windows systems. A soft link is actually a special file that contains the path information of the original file. When we open a soft link, we are actually accessing the linked object. Create a soft link:

2024-02-22 comment 0 1238

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