CyberBuddy – Let's Learn and Share Together

HOW TO CREATE A SINGLE IAM USER TO ACCESS ONLY SPECIFIC S3 BUCKET OF FOLDER

USE CASE EXAMPLE: We have to provide a single bucket access to a user. Need a S3 bucket for your application. What WE’LL BE DOING: Create a S3 bucket, We Read more

By: Rajat Malik Published: 6:36 pm

HOW To SAVE OUR CLIENTS MONEY BY AUTOMATING THE START AND STOP OF EC2 INSTANCES ON AWS BY USING LAMBDA

In this article I will show you how to create AWS Lambda using Python to stop EC2 instances in all regions in one go. The purpose of this Lambda function Read more

By: Rajat Malik Published: 11:20 pm

Share your S3 bucket with another account

There are many ways to share your s3 bucket with another account or user. I am doing it by Bucket Policy. Requirements: Account ID of account you want to share Read more

By: Rajat Malik Published: 4:44 pm

How to disable directory listing and restrict files/directory in Apache

1. Disable directory listing in Apache Configuration Open the apache configuration file /etc/httpd/conf/httpd.conf. vim /etc/httpd/conf/httpd.conf Find the content below in a file and modify the highlighted content. Read more

By: Rajat Malik Published: 12:26 am

How To Handle Multiple PHP Versions With Apache WebServer On Centos 7/8

In this tutorial we will configure Apache to run PHP 7.3 and PHP 7.4 simultaneously, and choose between them using Virtual Hosts or .htaccess. There are several ways to achieve Read more

By: Rajat Malik Published: 11:44 pm

AWS Centralise CloudTrail Logs of Multiple Accounts, Multiple Regions | Governance & Compliance

When you have multiple AWS accounts, from a security perspective, its good to have all the logs directed to a central account. In the central account, create a bucket to Read more

By: Rajat Malik Published: 7:23 pm

Deploy VPC Using AWS CLOUDFORMATION

Introduction: In this post, we’ll create a VPC via CloudFormation templates. Each AZ will have two subnets (public/private), and the public subnet associated with public route table which has internet Read more

By: Rajat Malik Published: 1:20 am

Can’t increase MySQL max_connection stuck at 214

Issue : Increased the max_connection value to max_connections=2500 in my.cnf. grep -rnw max_connections /etc/mysql/ Output: max_connections = 2500 But max_connection value stuck in 214 Connections. Cause : Default open_files_limit for Read more

By: Rajat Malik Published: 10:47 pm

How to Configure SSL on Nginx

1. Import your SSL to the server through FTP and unzip them in a particular directory, If you don’t have SSL you can generate Let’s Encrypt free SSL by following the below steps. Read more

By: Rajat Malik Published: 5:37 pm

How to Handle Multiple PHP Versions with Nginx Server on Ubuntu 220.04|18.04|16.04

In this Tutorial we will configure Nginx to run PHP7.2 and PHP5.6 simultaneously and choose between them using VirtualHosts. Prerequisites: Basic Understanding of Linux Commands. You should have Nginx installed Read more

By: Rajat Malik Published: 10:43 pm