How can I SSH inside a Redhat EC2 instance?-CodePudding

I've read AWS docs which says I should use:

ssh -i /path/my-key-pair.pem my-instance-user-name@my-instance-public-dns-name

but I have no idea what my-instance-user-name should be.

For Ubuntu I always do

ssh -i /path/my-key-pair.pem ubuntu@my-instance-public-dns-name

after changing permissions of my key via chmod 400 /path/my-key-pair.pem

CodePudding user response：

For Redhat (RHEL) it will be ec2-user. For other OS, the list is here:

For Amazon Linux 2 or the Amazon Linux AMI, the user name is ec2-user.

For a CentOS AMI, the user name is centos or ec2-user.

For a Debian AMI, the user name is admin.

For a Fedora AMI, the user name is fedora or ec2-user.

For a RHEL AMI, the user name is ec2-user or root.

For a SUSE AMI, the user name is ec2-user or root.

For an Ubuntu AMI, the user name is ubuntu.

For an Oracle AMI, the user name is ec2-user.

For a Bitnami AMI, the user name is bitnami.

Otherwise, check with the AMI provider.