How to Easily Check Resources Across Different AWS Regions
When you want to check the resources, but it's a hassle to check them on the console if they are located in multiple regions… In this...
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Blogs
Oct 27, 2023
Beware of the Latest Malware Attacks Using AI and YouTube! The Methods and How to Counteract Them!
Artificial Intelligence (AI) is now being utilized in various fields, and we often see its accomplishments on the news. While there are...
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...
Sep 15, 2023
Effortlessly Monitor Resources Across Multiple AWS Regions
When you want to check the resources, but it's a hassle to check them on the console if they are located in multiple regions… In this...
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？...
Aug 10, 2023
I Asked ChatGPT to Make an Epic Python Turtle Race
I decided to play around with ChatGPT. So, I asked ChatGPT to make the Python turtle race I made last time more exciting. The environment...
Aug 3, 2023
Developed a Turtle Race with Python Library
I’m going to make turtles compete with each other by using the Python library turtle. You can do a lot of things with turtles like the...
Jul 18, 2023
What is a Public Function? (Access Modifier)
Introduction First of all, the “public” of the public function is called an access modifier, access modifiers allow properties (variables...
Jun 28, 2023
How to Deploy a Lambda Function to Delete EC2 Instance Periodically
When you have many EC2 instances, you may forget to stop instances that you are not using. If you keep running the instances that aren't...
Jun 15, 2023
I Created a CLI Tool to Edit AWS Security Groups in Golang
What is goacl The goacl is a CLI tool written in Golang. You can view a list of AWS security groups and add rules for specific groups....
![[The Object Storages] What’s the Difference Between Amazon S3 and Wasabi](https://static.wixstatic.com/media/9cfabe_8b60a8da6aea4b1cb58858183fea7da5~mv2.png/v1/fill/w_767,h_576,fp_0.50_0.50,q_95,enc_auto/9cfabe_8b60a8da6aea4b1cb58858183fea7da5~mv2.png)
Jun 1, 2023
[The Object Storages] What’s the Difference Between Amazon S3 and Wasabi
In this article, I’m going to introduce you to the differences between Wasabi (Hot cloud storage) and Amazon S3 (AWS’s object storage)....
May 21, 2023
Wireshark From Scratch
What is Wireshark？ It is one of the most famous necessary tools for network engineers. It supports Windows and macOS, and basically...
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 20, 2023
What is PHP Constructor?
What are constructors? A constructor is a method that is always executed when a class is instantiated (made into an object). An usual...
Apr 12, 2023
How to rotate the MySQL slow.log file in log rotation
Have you experienced the MySQL slow.log file that has been accumulating for some time? Don’t you worry, you can use log rotation in this...
 Vulnerability](https://static.wixstatic.com/media/9cfabe_4ae5bf9224c04f689dfbf7823a75d265~mv2.png/v1/fill/w_1438,h_1080,fp_0.50_0.50,q_95,enc_auto/9cfabe_4ae5bf9224c04f689dfbf7823a75d265~mv2.png)
Mar 22, 2023
[WordPress WooCommerce Checkout Field Manager Plugin](versions 18.0 and older) Vulnerability
[WordPress WooCommerce Checkout Field Manager Plugin](versions 18.0 and older) Vulnerability to Arbitrary File Upload Importance...
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