Creating a SWAP space in an AWS Instance
This blog post is about how to create a SWAP file in an AWS Instance. If you are not familiar with SWAP, our blog post about SWAP might...
Blogs
- 5 days ago
Get an SSL Certificate with Let's Encrypt
Do you know what an SSL certificate is? It is a digital certificate for 'encryption of communication data' and mandatory by default to...
- Sep 16
Display the Default Page with Nginx on Kubernetes
This article is for Kubernetes beginners. In this article, you will see how to prepare nginx with Kubernetes and display the welcome...
- Aug 31
Understanding the Apache Access Log Format
This article provides a brief introduction to the apache access log format. Server Settings OS version [root@Webserver local]# cat...
- Aug 30
How to Fix 404 Error When You Try to Install a Package on EC2
This blog post describes how to deal with the following error when trying to install a package on an AWS EC2 instance (graviton). [Errno...
- Aug 12
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
Create a CSR file in just 3 steps
What is a CSR file? CSR stands for Certificate Signing Requesters and is a file containing personal or corporate information related to...
- Aug 4
How to send Cloudwatch alarm notifications to slack by the Chatbot
This blog discusses how to send Cloudwatch alarm notifications to Slack. The architecture diagram of a notification system Here is the...
- Aug 2
List of commonly used Apache directives
This article describes the basic configuration items for Apache. Apache configuration files Apache configuration files have different...
- Aug 1
Add old repositories on an Amazon Linux instance
This document is for an older version of the kernel installed. Overview OS: Amazon Linux AMI release 2016.09 Old kernel: ...
- Jul 25
How to use AWK Command
This article explains the command AWK, which is used in conjunction with the log check. What is AWK Command? When processing multiple...
![[EC2] What Is the CPU Steal Item For CPU Usage?](https://static.wixstatic.com/media/9cfabe_478144ba06184259bd8f801f1ac5652d~mv2.png/v1/fill/w_263,h_198,fp_0.50_0.50,q_95,enc_auto/9cfabe_478144ba06184259bd8f801f1ac5652d~mv2.png)
- Jul 22
[EC2] What Is the CPU Steal Item For CPU Usage?
This blog post is about the CPU steal item, which is a T2-series instance characteristic of AWS EC2. Results of top command top -...
- Jul 22
What is the difference between SaaS, PaaS, and IaaS?
Table of Contents What is the Cloud? About the birth of Cloud Computing Forms of Cloud Computing Services 1. What is Cloud Computing?...
- Jun 27
About Collision Conference
Hello everyone, this is Jon from Beyond GTA, and today I am going to share my experience after participating Collision Conference here in...
![[WAF] Introduction of Cloudflare WAF](https://static.wixstatic.com/media/5fdcdf_92765134fa9a45a682e37911f35d875c~mv2.png/v1/fill/w_263,h_198,fp_0.50_0.50,q_95,enc_auto/5fdcdf_92765134fa9a45a682e37911f35d875c~mv2.png)
- Jun 19
[WAF] Introduction of Cloudflare WAF
It's Jon from Beyond GTA Inc., and today we are looking at Cloudflare, a leading WAF provider. Credit goes to Ohara who originally wrote...
![Introduction of [/etc/sudoers]](https://static.wixstatic.com/media/5fdcdf_7ea303bc977542168fce104a3a98244d~mv2.jpg/v1/fill/w_263,h_198,fp_0.50_0.50,q_90,enc_auto/5fdcdf_7ea303bc977542168fce104a3a98244d~mv2.jpg)
- Jun 12
Introduction of [/etc/sudoers]
Hello everyone, I am Jon from Beyond GTA Inc. and today we will discuss one of the important features of the Linux operating system....
- May 18
How to Read Apache AccessLog
Today, using Apache on a Linux system is the standard setup and we as server engineers often need to read its access logs. This blog post...
- May 8
Linux for Complete Beginners
This blog post briefly explains an overview of Linux. What is Linux? Linux is a type of operating system, a basic software used to...
- Apr 30
Knowing Cloudflare China Network
Overview If a company with a global presence conducts business in China dealing with web services/content, the performance of the web...
- Apr 22
Differences between Deep Security as a Service (SaaS version) and Deep Security (licensed version)
This month's article is about Trend Micro's Deep Security, a comprehensive server security service. There are two types of Deep Security:...