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Showing posts from 2015

SSH Tunneling

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SSH Tunneling It is basically a way to allow one system or service to tunnel to remote system or service Remotely. What it means is I am going to make a connection in one location and it automatically going to forward or tunnel over SSH to different location. It allows us...for example ...to get around things like Firewalls that may restrict me  either in hotel or work ... wireless access points or other items that may be less secure or more restrictive..... It allows us to securely run a service  that i might not otherwsie be  able to run. Example: I can run localhost connection that actually tunnels out to our remote host. It is very easy to setup ...we need localhost + local port and remotehost + remote port Local Machine: [root@bharath bharath]# hostname bharath.local.machine [root@bharath bharath]# Remote Machien: Remote Machine IP:  54.165.30.239 [root@bharath bharath]# hostname bharath.remote.machine [root@bhar

All About Amazon Web Services(AWS)

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AWS is made up of Regions and Availability Zones. AWS Essentials Storage Basics On AWS There are different types of storage available in Amazon Web Services. here i will give core understanding of storage devices when we are thinking to architecting our applications in AWS. 1.S3(Simple Storage Service-S3) : It's a scalable object & File storage.You can store objects & Files such as pdfs,jpgs, anything that a regular operating system files. You can store unlimited data as files in objects(objects are from 1 byte to 1 TeraByte) you can upload your data form your off-site to your AWS S3 account. you can do  amazon server side encryption for your data. you can host static files and websites as well. The data in S3 automatically syncs to different availability zones in a region. So that it can be useful for the high available purpose as well.Hence S3 can be used for an high available environment. You can host private content using