Run all due cron events for WordPress with WP-CLI. Works with both single sites and multisite networks.

run-wp-cron.sh

#!/bin/bash
# Copyright © 2015 Bjørn Johansen
# This work is free. You can redistribute it and/or modify it under the
# terms of the Do What The Fuck You Want To Public License, Version 2,
# as published by Sam Hocevar. See http://www.wtfpl.net/ for more details.

WP_PATH="/your/wp/path/"
WP_CLI="/usr/local/bin/php /usr/local/bin/wp"

# Check if WP-CLI is available
if ! hash $WP_CLI 2>/dev/null; then
        echo "WP-CLI is not available"
        exit
fi

# If WordPress isn�~@~Yt installed here, we bail
if ! $(${WP_CLI} core is-installed --path="$WP_PATH" --quiet); then
        echo "WordPress is not installed here: ${WP_PATH}"
        exit
fi

# Get a list of site URLs
if $($WP_CLI core is-installed --path="$WP_PATH" --quiet --network);
then
        SITE_URLS=`${WP_CLI} site list --fields=url --archived=0 --deleted=0 --format=csv --path="$WP_PATH" | sed 1d`
else
        SITE_URLS=(`${WP_CLI} option get siteurl --path="$WP_PATH"`)
fi

# Loop through all the sites
for SITE_URL in $SITE_URLS
do
        # Run all event hooks that are due
        for EVENT_HOOK in $(${WP_CLI} cron event list --format=csv --fields=hook,next_run_relative --url="$SITE_URL" --path="$WP_PATH" | grep now$ | awk -F ',' '{print $1}')
        do
                ${WP_CLI} cron event run "$EVENT_HOOK" --url="$SITE_URL" --path="$WP_PATH" --quiet
        done
done