Optimize all images - cPanel server

yum install epel-release -y
yum install jpegoptim -y
yum install optipng -y

for i in `ls --hide='system' /var/cpanel/users/`; do 

find /home/$i/ -type f -iname '*.jpg' -print0 | xargs -0 -n4 -P5 sudo -H -u $i jpegoptim -s
find /home/$i/ -type f -iname '*.jpeg' -print0 | xargs -0 -n4 -P5 sudo -H -u $i jpegoptim -s
find /home/$i/ -type f -iname '*.png' -print0 | xargs -0 -n4 -P5 sudo -H -u $i optipng -o1 -strip all
sleep 5
done