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AWS How to Copy EBS Volumes to Different Account

It is common for an organization to have multiple AWS accounts, In my opinion, it’s a best practice to have different accounts for DEV, QA, and PROD environments. One of the reasons, just in case of any security compromise your other accounts would be unaffected.

Managing multiple accounts could be a challenge as well. Recently, I […]

How to Fix Redis CLI Error Connection Reset by Peer

Overview

Recently we faced an issue with an AWS ElastiCache Redis instance when trying to test the connections from EC2 Instance using Redis CLI, we faced the following error

$ ./redis-cli -c -h my-redis-server -p 6379 my-redis-server:6379> set a “hello” Error: Connection reset by peer

 

 

Problem

On investigation, we found that the ElastiCache Redis Instance is using Encryption in-transit and Encryption at-rest and by design, the […]

Elasticsearch cluster deployment under CentOS7.3

 

The bottom layer of Elastic is the open source library Lucene. However, you can’t use Lucene directly, you have to write your own code to call its interface. Elastic is a package of Lucene that provides an operational interface to the REST API, out of the box. The bottom layer of Elastic is the […]

apache redirect

Create your own short links with the mod_rewrite feature of the Apache HTTP server.

A long time ago, people started sharing links on Twitter. The 140-character limit means that the URL may consume most (or all) of a tweet, so people use URLs to shorten the service. In the end, Twitter added a built-in URL […]