another attempt at setting the password

src/functions/users.rs

@@ -33,16 +33,16 @@ pub fn new_user(username: &str, hasroot: bool, password: &str) {
             "bash",
             vec![
                 String::from("-c"),
-                String::from("usermod"),
+                String::from("'usermod"),
                 String::from("--password"),
                 String::from("$(echo"),
-                format!("${{{}}}", password),
+                String::from(password),
                 String::from("|"),
                 String::from("openssl"),
                 String::from("passwd"),
                 String::from("-1"),
                 String::from("-stdin)"),
-                String::from(username),
+                format!("{}'", username),
             ],
         ),
         format!("Set password for user {}", username).as_str(),
@@ -56,16 +56,16 @@ pub fn root_pass(root_pass: &str) {
             "bash",
             vec![
                 String::from("-c"),
-                String::from("usermod"),
+                String::from("'usermod"),
                 String::from("--password"),
                 String::from("$(echo"),
-                format!("${{{}}}", root_pass),
+                String::from(root_pass),
                 String::from("|"),
                 String::from("openssl"),
                 String::from("passwd"),
                 String::from("-1"),
                 String::from("-stdin)"),
-                String::from("root"),
+                String::from("root'"),
             ],
         ),
         "set root password",