The Impact of PHP Version and How to Check it
Using an old version of PHP can lead to security vulnerabilities and other issues. Here's how you can check your PHP version. How to...
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Blogs
May 9
[EagerLoad] Which is more useful: “leftJoin” or “with”? [N+1 problem]
N+1 Problem Suppose such a relationship was set up. class Bolg { public function comments(): HasMany { return $this->hasMany(Comment::cla...
Mar 15
Retrieve the ECS image ID using Alibaba Cloud CLI
Introduction This time, I'd like to try obtaining the image ID of the Alibaba Cloud virtual server environment "ECS (Elastic Compute...
Jan 18
【Support End】What will happen if CentOS 7 is left as it is?
As of June 30, 2024, the community support for "CentOS 7" will end (EOL), posing a significant challenge for many users. Of course,...
![[Introduction to Scraping] Retrieving Table Data from Websites with Python](https://static.wixstatic.com/media/9cfabe_4892edbe12f147939497661938bf4cb2~mv2.png/v1/fill/w_795,h_597,fp_0.50_0.50,q_95,enc_auto/9cfabe_4892edbe12f147939497661938bf4cb2~mv2.png)
Jan 5
[Introduction to Scraping] Retrieving Table Data from Websites with Python
In recent years, data analysis has gained significant attention, and scraping is one of the fundamental techniques for it. It primarily...
Oct 20, 2023
How to create virtual environment using Python's “venv”
In this tutorial, I’m going to create a virtual environment using Python's venv. What is venv？ venv is a module introduced in Python...
Sep 20, 2023
Getting Started with Ansible for Infrastructure as Code (Practice)
Last time, I wrote about introducing the Ansible tool and its installation. In this article, I'd like to delve into how to actually run...
Sep 19, 2023
A Simple Explanation of Permissions in Linux
What is permission? Directories and files on Linux have defined permissions. Permissions are the rights to manipulate directories and...
Aug 31, 2023
You Can Modify the Message When You do SSH Login
Did you know that you can change the message you see when you do ssh connect? /etc/motd The contents of the /etc/motd file are output by...
![[Linux] What do “~”, “$” and “#” Mean at the End of the Command Line?](https://static.wixstatic.com/media/9cfabe_2288ed2c444f4bcbbb8504f60e2f33b8~mv2.png/v1/fill/w_800,h_601,fp_0.50_0.50,q_95,enc_auto/9cfabe_2288ed2c444f4bcbbb8504f60e2f33b8~mv2.png)
Aug 25, 2023
[Linux] What do “~”, “$” and “#” Mean at the End of the Command Line?
Related terms and commands What do the symbols on the Linux command line mean？ I’m going to explain each of the symbols' meanings....
Aug 17, 2023
Demystifying '...' in ES2015: Exploring the Newly Added Spread Syntax
Hello! I’m going to talk about the spread syntax that can be used to expand arrays, etc. that are added to ES2015. What’s spread syntax？...
May 4, 2023
“ll” is not a command
Many of you may use “ll” instead of the “ls” command. In this article, I’m going to explain what “ll” is and what you should know about...
Apr 27, 2023
Improving Ways to Use Linux Commands
I’m going to introduce Linux commands and options that are smartly used. For example, $ ps auxwwf | grep httpd | grep -v "grep” This one...
Feb 15, 2023
How to Display Command History in Linux OS
The “history” command is being used for displaying a list of commands that have been run. The history command Display a list of commands...
Feb 2, 2023
【For Linux Beginners】How to Edit and Save With the vi Command
Hello! I’m going to talk about the vi command which is for editing files in Linux. There are so many options…! The vi command is a...
Jan 10, 2023
Fun Linux Command Package
I’m writing this article for you who might be tired from working so hard. I hope this will help you to refresh a bit! Environment cat...
Dec 26, 2022
How to Check Disk Space
The df command is a command to see how much free disk space is left and manage disk space. Since a lot of data remains in the disk day by...
Dec 12, 2022
The Reason Why the Unlink Command is Better to Delete Symbolic Links
Hello, Recently I had a chance to deal with symbolic links when I had to renew an SSL certificate. Therefore, when I was doing research...
Dec 6, 2022
How to Check Global IP Address with Commands
Hello! I recently realized that how to check global IP addresses is slightly different depending on the person. So I’d like to talk about...
Oct 5, 2022
Setting Up Basic Authentication with Apache
Used Software virtualbox version 6.1 vagrant version 2.2.19 vagrant box: centos/7 apache version 2.4.6 What is Basic Authentication? In...
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