WP-CLI A command line interface for WordPress

Download from: https://wp-cli.org/

Configuration:

# wordpress update:
username ALL=(ALL:ALL) NOPASSWD: /usr/bin/php5 /usr/local/bin/wp --allow-root --path=/var/www/site.com cli update --yes
username ALL=(ALL:ALL) NOPASSWD: /usr/bin/php5 /usr/local/bin/wp --allow-root --path=/var/www/site.com core update
username ALL=(ALL:ALL) NOPASSWD: /usr/bin/php5 /usr/local/bin/wp --allow-root --path=/var/www/site.com plugin update --all
username ALL=(ALL:ALL) NOPASSWD: /usr/bin/php5 /usr/local/bin/wp --allow-root --path=/var/www/site.com theme update --all

0 2 * * * echo "$( date +\%F\ \%\T ) wp: $( sudo /usr/bin/php5 /usr/local/bin/wp --allow-root --path=/var/www/site.com cli update --yes )" >> /var/log/wp-cli 2>&1
5 2 * * * echo "$( date +\%F\ \%\T ) wp: $( sudo /usr/bin/php5 /usr/local/bin/wp --allow-root --path=/var/www/site.com core update )" >> /var/log/wp-cli  2>&1
15 2 * * * echo "$( date +\%F\ \%\T ) wp: $( sudo /usr/bin/php5 /usr/local/bin/wp --allow-root --path=/var/www/site.com plugin update --all )" >> /var/log/wp-cli 2>&1
20 2 * * * echo "$( date +\%F\ \%\T ) wp: $( sudo /usr/bin/php5 /usr/local/bin/wp --allow-root --path=/var/www/site.com theme update --all )" >> /var/log/wp-cli 2>&1