Add script to set random password for a user

Script generates a random password for a specified user and updates it in both the system and MySQL.

setRandomPasswordForUser.sh

@@ -0,0 +1,22 @@
+#!/bin/sh
+# setRandomPasswordForUser.sh
+#
+# Sätter ett slumpat lösenor på en viss användare
+#
+# Christian Ohlsson 2021-12-01
+# Version 1.1
+# Gruppen ska vara www-data på Debian
+
+if [ "$#" -lt 1 -o "$#" -gt 2 ]; then
+ echo "Usage:`basename $0` username"
+    exit 1
+fi
+username="$1"
+password=`</dev/urandom tr -dc A-Za-z0-9 | head -c10`
+echo "$username:$password" | /usr/sbin/chpasswd
+echo "ALTER USER '$username'@'localhost' IDENTIFIED BY '$password';" | mysql -u root
+echo "FLUSH PRIVILEGES;" | mysql -u root
+echo "Bytade lösenord. De nya inloggningsuppgifterna är:"
+echo "Username: $username"
+echo "Password: $password"
+exit 1