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...
Blogs
- Oct 5
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...
- Sep 24
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...
- 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 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...
![Introduction of [/etc/sudoers]](https://static.wixstatic.com/media/5fdcdf_7ea303bc977542168fce104a3a98244d~mv2.jpg/v1/fill/w_454,h_341,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...
- Jan 23
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...
![What is [CentOS alternative] Oracle Linux? [RHEL Compatible]](https://static.wixstatic.com/media/5fdcdf_c7dcc53d5ba94527ab4ac45e53f86736~mv2.png/v1/fill/w_300,h_341,fp_0.50_0.50,q_95,enc_auto/5fdcdf_c7dcc53d5ba94527ab4ac45e53f86736~mv2.png)
- Jan 21
What is [CentOS alternative] Oracle Linux? [RHEL Compatible]
Hello everyone! This is Jon from Beyond GTA Inc, and today I would like to introduce an interesting topic about Oracle Linux. Since most...
- Dec 18, 2021
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...
![[Sar] command in Linux with examples](https://static.wixstatic.com/media/5fdcdf_f080d44c4e294b998e9b106bcd922bf9~mv2.png/v1/fill/w_454,h_341,fp_0.50_0.50,q_95,enc_auto/5fdcdf_f080d44c4e294b998e9b106bcd922bf9~mv2.png)
- Nov 19, 2021
[Sar] command in Linux with examples
Hi everyone! This is Jon from Beyond GTA. Today, I would like to share one of the most useful commands in Linux. As you can see from the...
- Nov 5, 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...
- Aug 20, 2021
A little knowledge about Linux #1
Hello there! This is Jon from Beyond GTA. Today I will introduce Linux to you in a human language without technical terms. In order to...