[ec2-user@ip-172-31-4-80 ~]$ sudo chmod 755 /var/lib/cloud/scripts/per-boot/001_setting_hostname.sh
[ec2-user@ip-172-31-4-80 ~]$
[ec2-user@ip-172-31-4-80 ~]$ ll /var/lib/cloud/scripts/per-boot/001_setting_hostname.sh
-rwxr-xr-x 1 root root 969 Dec 28 00:32 /var/lib/cloud/scripts/per-boot/001_setting_hostname.sh
[ec2-user@ip-172-31-4-80 ~]$