Got it, since you already know how to list Windows EC2 instances, let's break down exactly how to find and list Linux-based EC2 instances—here are the most practical methods you'll use regularly:

This is the easiest route if you prefer a graphical interface:

• Log into your AWS Management Console and head to the EC2 service dashboard.
• From the left-hand navigation menu, click Instances to load your full instance list.
• Look for the Filters bar at the top of the instances table. Click the dropdown labeled Platform and select Linux/Unix—this automatically filters out all Windows instances.
• For more targeted results, add extra filters (like instance type, tags, or availability zone) by typing in the Filters search box.

If you lean into command-line automation, the AWS CLI offers flexible ways to list Linux instances:

Basic Full-Details Command #

To pull all Linux instances with complete metadata, use this filter-based command:

aws ec2 describe-instances --filters "Name=operating-system, Values=Linux"

Fallback: Exclude Windows Instances (Older CLI Versions) #

If your CLI version doesn’t support the operating-system filter, you can exclude Windows instances instead:

aws ec2 describe-instances --filters "Name=platform, Values!=windows"

Customize Output for Specific Fields #

To get a cleaner, focused view (like only instance IDs and names), use the --query parameter to define exactly what you want to see:

aws ec2 describe-instances --filters "Name=operating-system, Values=Linux" \
--query 'Reservations[*].Instances[*].[InstanceId, Tags[?Key==`Name`].Value|[0]]' \
--output table

This prints a neat table with each instance’s ID and its Name tag (if one is set).

Python Scripting with Boto3 #

If you’re automating via Python, here’s a quick snippet to list Linux instances:

import boto3

# Initialize the EC2 client
ec2_client = boto3.client('ec2')

# Fetch all Linux instances
response = ec2_client.describe_instances(
    Filters=[{'Name': 'operating-system', 'Values': ['Linux']}]
)

# Loop through results and print key details
for reservation in response['Reservations']:
    for instance in reservation['Instances']:
        instance_id = instance['InstanceId']
        instance_state = instance['State']['Name']
        instance_name = next((tag['Value'] for tag in instance.get('Tags', []) if tag['Key'] == 'Name'), 'No Name Tag')
        print(f"Instance ID: {instance_id} | State: {instance_state} | Name: {instance_name}")

Let me know if you need help tweaking any of these commands to fit your specific workflow!

内容的提问来源于stack exchange，提问作者user7802257