If your server is hacked or stolen your accounts password, you can use the following script to change all the cpanel accounts password. Change password via WHM and scripts.

WHM >> Account Functions >> Force Password Change then Select All,

then Submit

Change multiple accounts password via the following script /scripts/realchpass

The syntax is

# /scripts/realchpass username password

Change multiple accounts password

Method : 1

Use the following shell script to change all the cpanel account password randomly.

vi /root/passch.sh

#! /bin/bash
ls -1 /var/cpanel/users | while read user; do
pass=`strings /dev/urandom | tr -dc .~?_A-Z-a-z-0-9 | head -c16 | xargs`
echo “$user $pass” >> new-pass.txt
/scripts/realchpass $user $pass
/scripts/ftpupdate
done

Save and excute that file.

chmod +x /root/passch.sh

sh /root/passch.sh

You can use random string generate scripts like the following generate passwords.

pass=`date | md5sum | head -c16 | xargs`
pass=`openssl rand -base64 128 | head -c16 | xargs`
pass=`strings /dev/urandom | tr -dc .~?_A-Z-a-z-0-9 | head -c16 | xargs`

In some cases when executing /scripts/realchpass script will showing the following error.