How do I Create a launch configuration?
Creating your launch configuration (console)
- On the navigation pane, under AUTO SCALING, choose Launch Configurations.
- In the navigation bar, select your AWS Region.
- Choose Create launch configuration, and enter a name for your launch configuration.
- For Instance type, select a hardware configuration for your instances.
What is the purpose of the launch configuration?
A launch configuration is an instance configuration template that an Auto Scaling group uses to launch EC2 instances. When you create a launch configuration, you specify information for the instances.
How do I launch an instance from launch configuration?
From the Amazon EC2 console dashboard, choose Launch instance.
- Step 1: Choose an Amazon Machine Image (AMI)
- Step 2: Choose an Instance Type.
- Step 3: Configure Instance Details.
- Step 4: Add Storage.
- Step 5: Add Tags.
- Step 6: Configure Security Group.
- Step 7: Review Instance Launch and Select Key Pair.
How do I change the instance of launch configuration?
AWS does not allow to edit launch configuration. If you notice, we define instance type at time of launch configuration. So if you want to change instance type in Auto Scaling group than you need to create new launch configuration for that.
What is the difference between launch template and launch configuration?
However, defining a launch template instead of a launch configuration allows you to have multiple versions of a launch template. With versioning of launch templates, you can create a subset of the full set of parameters. Then, you can reuse it to create other versions of the same launch template.
How do I add user data in launch configuration?
To provide User Data to Launch configuration via AWS console:
- Goto AWS EC2 console.
- Under “AUTOSCALING” click on “Launch Configurations” and the select “Create launch configuration”. Create Launch Configuration wizard will open.
- In the next window, select the Instance Type and click “Next: Configure details”.
What is launch configuration Java?
A launch configuration is a description of how to launch a program. The program itself may be a Java program, another Eclipse instance in the form of a runtime workbench, a C program, or something else. Launch configurations are manifested in the Eclipse UI through Run > Run…. eclipse. debug.
What is Launch instance?
Launch instances¶ Instances are virtual machines that run inside the cloud. Before you can launch an instance, gather the following parameters: The instance source can be an image, snapshot, or block storage volume that contains an image or snapshot. A name for your instance.
What is AWS launch configuration?
A launch configuration is a template that an EC2 Auto Scaling group uses to launch EC2 instances. When you create a launch configuration, you specify information for the instances such as the ID of the Amazon Machine Image (AMI), the instance type, a key pair, one or more security groups, and a block device mapping.
What is a launch configuration?
Should I use launch template or launch configuration?
We recommend that you use launch templates to ensure that you’re accessing the latest features and improvements. Not all Amazon EC2 Auto Scaling features are available when you use launch configurations.
What is user data in launch configuration?
When you launch an instance in Amazon EC2, you have the option of passing user data to the instance that can be used to perform common automated configuration tasks and even run scripts after the instance starts. You can pass two types of user data to Amazon EC2: shell scripts and cloud-init directives.
What to do after creating a launch configuration?
After you create your launch configuration, you can associate it with your Auto Scaling group.
How to add user data in Amazon launch configuration?
To provide User Data to Launch configuration via AWS console: Goto AWS EC2 console. Under “AUTOSCALING” click on “Launch Configurations” and the select “Create launch configuration”. Create Launch Configuration wizard will open. Select the required AMI. In the next window, select the Instance Type and click “Next: Configure details”.
What happens if I exceed my launch configuration limit?
If you exceed your maximum limit of launch configurations, the call fails. To query this limit, call the DescribeAccountLimits API. For information about updating this limit, see Amazon EC2 Auto Scaling service quotas in the Amazon EC2 Auto Scaling User Guide .
Can you change launch configuration in auto scaling?
An Auto Scaling group is associated with one launch configuration at a time, and you can’t modify a launch configuration after you’ve created it. Therefore, if you want to change the launch configuration for an existing Auto Scaling group, you must update it with the new launch configuration.