Varnish Cache is an open source web application accelerator. Vanish stores all the cache files in memory which will reduce the response time. This caching tool will increase application scalability. Varnish caches all the pages produced by the application. This doesn’t need to run the code again till we flush or invalidate varnish cache. This […]
AWS Certification Path
AWS offers various type of certifications to build a career in the cloud market as an expert
AWS CloudFormation
CloudFormation is a tool offered by Amazon to create and configure resources in AWS. Almost all resources in AWS can be created using CloudFormation. It allows to create resources over and over gain by using CloudFormation templates. It is a declarative way for building AWS infrastructure. The Key for CloudFormation is a template file. It […]
AWS Getting Started
Amazon Web Services (AWS) is a secure cloud services platform from Amazon. It is a collection of more than 170 + services. Most services can function independently or by integrating with other services. AWS offers computer power, data storage and networking functionalities. AWS Infrastructure is the physical part of AWS, made up of Regions, Availability […]
High Availability in Cloud
There are normally coupled with SLAs – Service Level Agreements. Each cloud service provider and their services having different SLAs depends upon its high availability, redundancy, fault tolerance etc. A service-level agreement (SLA) is a commitment given by a service provider. High Availability – System will continue to operate despite the complete failure of any of its […]
Default username for EC2 Instances
The default user name is determined by the AMI that was specified when we launch the instances. These are the commonly used AMIs along with the default user names. Image Name User Name Amazon Linux2/ Amazon Linux AMI ec2-user Ubuntu AMI ubuntu Centos AMI centos Debian AMI adminroot Fedora AMI ec2-userfedora SUSE AMI ec2-userroot Others […]