OpenVPN

Setup Azure Virtual WAN - P2S OpenVPN with AD Integration

Why do we use Azure Virtual WAN instead of Azure Virtual Network Gateway? Azure Virtual Network Gateway won't allow us to connect to the internet through the VPN connection. How to setup Azure Virtual WAN for VPN? The following are the major steps included in setting up Virtual

Amazon Linux 2

Set up Zabbix Server on Amazon Linux 2 ARM EC2 Instance

Zabbix Server on Amazon Linux 2 ARM EC2

Amazon web services

AWS Nitro System

If you want to know more about AWS Nitro System read this blog.

Amazon Linux 2

Install MySQL 8 server and client on Amazon Linux 2 Arm and x86_64

Install MySQL 8 server and client on Amazon Linux 2 aarch64 and x86_64

Cassandra

Taking a complete backup of Cassandra DB

Since there is no direct way to take the DB backup of entire Cassandra with all the key spaces, this blog will help.

Mac

Installing Cocoapods in M1 Mac

Install brew and Cocoapods in M1 Mac

Amazon Linux 2

Enforcing a good password policy on Amazon Linux 2

Set a good password policy on Amazon Linux 2

Amazon web services

Setting up Google Authenticator MFA on Amazon Linux 2

Set up a Google Authenticator based TOTP MFA for your Amazon Linux 2 server.

Wordpress

Increase the max file upload size in Wordpress

Increase the maximum file upload size in Wordpress easily when running wordpress with their official docker container.

linux

Configure Nginx for path based deployment of multiple apps

Usually we set up separate UI elements and API as separate domains for the ease but here we are doing the same thing based on path.

How to Enable Query(General Query) Log in Amazon RDS for MySQL?

Enable General Query Log in RDS for MySQL

Amazon web services

Monitor your external APIs with AWS Cloudwatch - Synthetics Canaries

Learn how and why you should start using AWS cloudwatch Sythetics Canaries for your monitoring needs.

Uninstall bloatware from Android

My Samsung Galaxy M30s comes with a lot of bloatware and during each updates, Samsung intorduces new bloatware. Since I wanted to remove them without root, I use this method.

Amazon web services

Setting up JMX monitoring with Zabbix for Tomcat

Setting up JMX monitoring of Tomcat or a standalone application can become a bit confusing. It has lots of little caveats. This blog addresses that.

Logging bash commands

I once had a requirement to log bash commands and I checked many solutions like Snoopy [https://github.com/a2o/snoopy], but none of them were proper for a production environment. So the below is the most simple method to add logging to bash in Linux. Steps Modify bash config

linux

Differences in du and df command results

If you find a difference in the outputs of du and df command and want to know how to fix it or how it happened, read this blog.

Amazon web services

Taking snapshot of AWS ElasticSearch

Steps to create a manual snapshot of AWS ElasticSearch

18.04

Setting up L2TP/IPSec VPN in Ubuntu 18.04+

Set up L2TP/IPSec VPN

Amazon web services

Setting up Let's Encrypt on Amazon Linux 2 in AWS

Set up a Let's encrypt certificate on an EC2 instance running Amazon Linux 2 and renew it automatically with AWS Route 53 DNS validation.

email

Send mail from Linux CLI

Follow this blog to send and email from Linux CLI

azure

Uploading SSL certificate to Azure Application gateway

Convert SSL to pfx format and upload it to Azure Application Gateway

Amazon web services

Enable logging in Amazon ElasticSearch - Cloudformation

If you use cloudformation and is facing difficulties while setting up logging in for ElasticSearch, this blog will help you ElasticSearch cloudformation Following is a sample cloudformation template for creating ElasticSearch. It is a part of a nested stack and hence some parameter input validation and things like that are

azure

Add additional disk in Azure Virtual Machine - No downtime

If you have a virtual machine in Azure which is running out of space, follow the below instruction to add additional disk to the VM. As usual, like all other Azure things, increasing the capacity of a volume is not simple or intuitive like AWS. Increasing the disk space of

Amazon

Need to save some AWS bill quickly? Upgrade to gp3

Procedure for gp2 gp3 upgradation and performance considerations

dd command

Home automation with Home Assistant

If you want a live view of your house using cameras, automatically controlled lights or other appliances with an app or through set rules and a lot of other things that makes your home smart, this is the blog for you. Assumptions Following are the assumptions I am making about