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Very often people ask for compelling reasons on why they should consider AWS for their infrastructure needs. Though there are hundreds and thousands of customers leverage AWS in more than 190 countries, with hundreds of case-studies including companies like Netflix, Pinterest, Dow Jones, SAP, Coursera, NASA/JPL, Reddit, Vodafone, 99Designs, Thomson Reuters, Flipboard, Expedia & LinkedIn […]
Blue-Green deployment is a technique in which a new parallel “green” environment is brought up, tested and then its switched with current “blue” Production environment. Which basically means all user traffic is now routed to new parallel “green” environment from current “blue” Production. This technique is often followed to ensure zero downtime and high quality […]
Fail2ban is a service that scans log files and ban IPs that shows malicious signs of multiple password failures, seeking for exploits, etc. It updates firewall rules to reject the IP addresses for a specified amount of time, although any arbitrary action (e.g. sending an email) can also be configured. Fail2Ban also comes with some […]
AWS CLI tool allows you to switch between multiple IAM accounts. This becomes very handy while you are writing a script that involves multiple IAM user accounts. Prerequisites : AWS CLI tool Configuring Multiple Accounts: When you configure your AWS CLI tool, a configuration file gets created at ~/.aws/config in Linux/Unix or at C:\Users\USERNAME\.aws\config , […]
Groovy being one of the fresh open source platforms in the market of Programming language, it is attracting Developer to use it because of its friendliness, easy codeabiltiy and many other features. Tempted by many of such features, CQ developers are also inclining towards using Groovy in CQ environment. To the rescue of many such […]
Single sign-on (SSO) is a mechanism where by a single action of user authentication and authorization can permit a user to access all computers and systems for which he has access permission, without the need to enter multiple passwords. While implementing SSO as part of one of our projects , we thought of protecting CQ5 author […]
Few days back, I was trying to instantiate an RDS instance in Private subnet of a non-default VPC ( Custom VPC ). But unfortunately the launch wizard was not letting me to choose the new non-default VPC. This problem can put you in worse situation in security terms as the wizard will not let you […]
I got a requirement from one of my clients to setup a staging server that has a HTTP authentication, behind an ELB. but because of authentication it fails in the ELB health check. I did the following steps to configure it with HTTP authentication. Create a single PHP or HTML file and disable HTTP authentication […]
EBS (Elastic Blog Storage) is a virtual Hard drive which one can attach to an EC2 Instance. By default Amazon provides standard EBS with 100 IOPS (Input Output operation per second) which is equivalent to our normal hard-drive (7200 RPM), used at our homes. That works fine in a lot of cases but sometimes if […]
