Use the current user variable

This helps if the default user is `ubuntu`, for example.

Signed-off-by: Pablo Barbáchano <[email protected]>

Author: pb8o

0.initial-setup.sh

@@ -6,7 +6,8 @@ RES=scripts
 
 rm -rf output
 mkdir output
-chown -R ec2-user:ec2-user output
+USR=${SUDO_USER:-$USER}
+chown -R $USR. output
 
 pushd $RES > /dev/null
 

README.md

@@ -31,13 +31,13 @@ Raise the maximum processes limit.
 
 ```bash
 sudo tee -a >> /etc/security/limits.conf <<EOL
-ec2-user soft nproc 16384
-ec2-user hard nproc 16384
+$USER soft nproc 16384
+$USER hard nproc 16384
 EOL
 ```
 
-Note: In the above configuration, `ec2-user` is a
-placeholder for the ec2 instance logged-in user.
+Note: In the above configuration, `$USER` expands
+to the ec2 instance logged-in user.
 
 Reload the ssh session to have the new limit applied.