Change info password
pass=$(python3 -c 'import crypt; print(crypt.crypt("mynewpassword", crypt.mksalt(crypt.METHOD_SHA512)))') ; sed -e -i "s,^info:[^:]\+:,info:$pass:," /home/cpanel_username/etc/yourdomain.com/shadow
Change info password
pass=$(python3 -c 'import crypt; print(crypt.crypt("mynewpassword", crypt.mksalt(crypt.METHOD_SHA512)))') ; sed -e -i "s,^info:[^:]\+:,info:$pass:," /home/cpanel_username/etc/yourdomain.com/shadow