Vorsprung questions

Vorsprung answers

• Cannot send SMTP mail from AWS EC2
• Use regex to match a number between 1 and 105
• Can I prioritize Bash scripts in Linux, and do children of these scripts inherit the priority?
• Vim colors not working
• Incrementing case number in a function?
• SSHing from AWS Instance to AWS Instance using .pem asks for passphrase
• EC2 Security Group not connecting to my IP
• Getting the names of the first n files without listing all of them in linux
• AWS CLI S3 rm command does not produce error if file does not exist
• OSError: [Errno 13] Permission denied: '/dev/ttyACM0' - using pyserial from Python to Arduino