When you enable this feature, it adds an additional layer of security to your account. When logging in to GitHub, after providing your username and password, you will be asked for a two-factor authentication code that is delivered to your mobile device via SMS or a free two-factor application. This additional step ensures that a malicious person who has discovered your password will not be able to log in to GitHub as you.
Two-factor Authentication · GitHub.
Seeing a lot more two-factor authentication being offered on the net. This can really help make your accounts safer, but you’ll have a problem if you don’t have your phone. GitHub provides a number of recovery options including backup SMS numbers and recovery codes. If you’re going to use 2 factor auth make sure you have recovery options setup.
We are pleased to announce the General Availability (GA) release of the AWS Command Line Interface, a unified tool to manage your AWS services. With just one tool to download and configure, you can control multiple AWS services from the command line and automate them through scripts. The GA release supports 23 services and includes new file commands for Amazon S3. Using a file system command syntax, you can easily list the contents of online buckets, upload a folder full of files, and synchronize local files with objects stored in Amazon S3.
To get started with the AWS CLI, see the User Guide.
via Announcing AWS Command Line Interface – General Availability.
For all you fans of the command line, now you can get some real work done. Bonus: the AWS-CLI is written in Python and is open source so you can follow along on GitHub