while loop to read file ends prematurely

Question

The eventual goal is to have my bash script execute a command on multiple servers. I almost have it set up. My SSH authentication is working, but this simple while loop is

Answer 1

Assign to an array before the loop, so that you are not using stdin for your loop variables. The ssh inside the loop can then use stdin without interfering with your loop.

readarray a <  hosts.list
for HOST in "${a[@]}"; do 
       ssh $HOST "uname -a"
       #...other stuff in loop
done