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Blogs

Announcement of North America Biz x Tech Seminar
We are pleased to announce that our CEO will be speaking at the North America Biz × Tech Seminar. This webinar is designed for both...
Sep 7, 2024

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 10, 2023


How to Add Multiple Rules to a Security Group with Terraform
Hi! Usually, when you create security groups, you create inbound rules manually but you may also want to create a security group that has...
Dec 19, 2022
![[AWS] How to copy an AMI of EC2 instance to another region](https://static.wixstatic.com/media/9cfabe_c27581c017134c37b236f0ae776265ba~mv2.png/v1/fill/w_454,h_341,fp_0.50_0.50,q_95,enc_avif,quality_auto/9cfabe_c27581c017134c37b236f0ae776265ba~mv2.webp)
[AWS] How to copy an AMI of EC2 instance to another region
1. Create an AMI from an Amazon EC2 Instance First of all, create an AMI from the instance you wish to copy. You can right-click on the...
Nov 23, 2022


Oops! Did you forget the root password for MySQL? Here is how to resolve this issue.
Where is a default password In order to find out where a default password is, you need to refer to a path /var/log, and open mysqld.log....
Aug 12, 2022

How to dramatically improve the visibility of the top command
If you are a server engineer or a regular Linux user, you are most likely familiar with the command "top", which shows the Linux...
Jan 23, 2022

Kernel Modules, proc Directory, and lsmod
Q: Which command displays information about loaded kernel modules? (Select all) lsmod 〇 modprobe cat /proc/modules 〇 cat /proc/modprobe...
Dec 18, 2021


The Weakest Link On Your Security Can Be Humans After All.
hacking without computer.
Nov 18, 2021

An Easy Way To Remember grep Options With Its Original Word
grep is a great command on Linux and you have numerous chances to use the command when you use Linux. However, grep has lots of options...
Nov 5, 2021
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