By Brian Fitzgerald

Issue

You want to run netcat on Amazon AWS EC2

[ec2-user@ip-172-31-80-17 ~]$ nc odbcblog.crzco2g2glv6.us-east-1.rds.amazonaws.com 1433
-bash: nc: command not found

Solution

Install RPM nmap-ncat

[ec2-user@ip-172-31-80-17 ~]$ sudo yum -y install nmap-ncat
[ec2-user@ip-172-31-80-17 ~]$ nc -v odbcblog.crzco2g2glv6.us-east-1.rds.amazonaws.com 1433
Ncat: Version 7.50 ( https://nmap.org/ncat )
Ncat: Connection timed out.