Thank you @AnandVyas for the hint on `Security Group` & @jimfowler for the missing `sshd` in AMI. I recreated the setup by following AWS-instance setup steps given in How-to-Set-Up-SAS-University-Edition-on-Amazon-Web-Services-AWS-Update by @danielduval0 In step#5 Launch Instance, select `Launch Through Console` and in AWS Create Instance Console: step 3: Configure Instance Details in Advanced Details > User Data field (refer to attached screen-shot) sample user databased on the sample user-data #!/bin/bash
sudo yum update -y; sudo yum install -y openssh-server; sudo service sshd start; # To configure the sshd daemon to start automatically at boot time: sudo chkconfig sshd on --level 2,3,4,5; sudo usermod -a -G sasdemo sasdemo chown -R sasdemo:sasdemo; I added the above script snippet, then reviewed and created the instance with an existing Key Pair. The instance got launched successfully, but still not able to connect using `ssh` either thru aws-console / form local ssh-client
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