Question: how to enable rsh in linux?
Answer: Step 1: install packages. ... 
Step 2: Enable rsh service in xinted. ... 
Step 3: Add rsh services to /etc/securetty. ... 
Step 4: enable host and service connection. ... 
Step 5: enable account access. ... 
6) Check if you server is able to convert client IP address to hostname. ... 
7) Check your /etc/pam.