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I have name of the a ec2 instance and want to do ssh to it. How can I figure out the 'Public DNS' of the ec2 instance using the ec2 instance name.
I want to do it using bash.
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Open the Amazon EC2 console at https://console.aws.amazon.com/ec2/ . In the navigation pane, choose Instances. Select your instance from the list. In the details pane, the Public DNS (IPv4) and Private DNS fields display the DNS hostnames, if applicable.
To view the IPv4 addresses for an instance using the consoleOpen the Amazon EC2 console at https://console.aws.amazon.com/ec2/ . In the navigation pane, choose Instances and select your instance. The following information is available on the Networking tab: Public IPv4 address — The public IPv4 address.
aws ec2 describe-instances --instance-ids i-12abc34 --query 'Reservations[].Instances[].PublicDnsName'
Where i-12abc34 is your instance id
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