armbian-firstlogin: Make sure that the first charactor of username isn't number

2023-03-30 03:49:19 +08:00 · 2023-03-30 03:49:19 +08:00 · 2a9279c27d
commit 2a9279c27d
parent 76ce4c3a3d
1 changed files with 1 additions and 1 deletions
--- a/packages/bsp/common/usr/lib/armbian/armbian-firstlogin
+++ b/packages/bsp/common/usr/lib/armbian/armbian-firstlogin
@ -249,7 +249,7 @@ add_user()
 	while [ -f "/root/.not_logged_in_yet" ]; do
 		echo -e "\nPlease provide a username (eg. your first name): \c"
 		read -r -e username
-		if ! grep '^[a-zA-Z0-9]*$' <<< "$username" > /dev/null ; then
+		if ! grep '^[a-zA-Z][a-zA-Z0-9]*$' <<< "$username" > /dev/null ; then
 			echo -e "\n\x1B[91mError\x1B[0m: illegal characters in username"
 			return
 		fi