Jun 29, 2019 · EC2 User Data allows us to automate some steps with regards to configuring our instance. It can reduce repetitive work if the same set of instructions are required to be run on multiple EC2 instances. If you have any queries regarding AWS EC2 User Data feature, do sound off in the comments section below. Happy Learning!
Amazon Web Service EC2 - the virtual machine provided by Amazon - also called instances, has many advantages. First of all, it provides a highly scalable computing capacity. Functionality of EC2. Below steps are followed to use AWS EC2 services: Choose already configured templated AMI (Amazon Machine Image), which should run immediately or create a new AMI for your libraries, applications, associated data and configure settings. In your EC2 instance, configure network and security access. May 12, 2017 · •For a RHEL AMI, the user name is ec2-user or root. •For an Ubuntu AMI, the user name is ubuntu or root. •For a Centos AMI, the user name is centos. •For a Fedora AMI, the user name is ec2-user. •For SUSE, the user name is ec2-user or root. •Otherwise, if ec2-user and root don’t work, check with the AMI provider. ec2-authorize default -p 22 ec2-authorize default -p 80 If you want to undo any port authorizations you've made, you can use ec2-revoke. Now if you access your EC2 URL in a browser you'll get something like a default Apache page, or in the case of the AMI I'm using, a phpinfo() page.
Instead of using Amazon EC2 to create your key pair, you can create an RSA key pair using a third-party tool and then import the public key to Amazon EC2. For example, you can use ssh-keygen (a tool provided with the standard OpenSSH installation) to create a key pair.
The final procedure for enabling Accelerator to use Amazon EC2 is that you must log into the Cluster Manager and choose the Amazon EC2 cloud provider from a list of cloud providers when you create a corresponding resource. A cloud provider lets you select a specific set of available agents when running builds. Click on EC2. Click "Create Instance," then use the Quick Launch wizard. Create an Ubuntu instance (one of the "Free Tier eligible" ones) and make sure you download the credentials, as you need them to log in and they won't be available later.
EC2 allows you to whitelist IP ranges, but Lightsail only allows you to enable all access to specified ports. With EC2 you can specify to allow ssh for only your IP address, changing it in the console if you log in from a new location. With Lightsail, you cannot do this. You can, of course, still use iptables. – Tyler A. Jun 24 '18 at 22:54
Amazon Elastic Compute Cloud (Amazon EC2) is a web service that provides secure, resizable compute capacity in the cloud. It is designed to make web-scale cloud computing easier for developers. Amazon EC2’s simple web service interface allows you to obtain and configure capacity with minimal friction. A Dedicated Host is a physical EC2 server dedicated for your use. Dedicated Hosts can help you reduce costs by allowing you to use your existing server-bound software licenses, including Windows Server, SQL Server, and SUSE Linux Enterprise Server (subject to your license terms), and can also help you meet compliance requirements. Use this tutorial to get started with Amazon Elastic Compute Cloud (Amazon EC2). You'll learn how to launch, connect to, and use a Linux instance. An instance is a virtual server in the AWS cloud. With Amazon EC2, you can set up and configure the operating system and applications that run on your instance.