Vorsprung questions

Vorsprung answers

• 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
• Struct Fields Not Updating When Another Object Tells Struct to Update
• Getting timeout value from Go's context
• Seaching for a String between two strings using regular expression in perl
• Finding login times in Linux
• Default location of Error Log Elasticsearch
• grok not reading a word with hyphen