My personal doodle pad about everything that has anything to do with technology...
Sometimes, one wants to check if Apache2 is running. This is one way how to do it in BASH:
if [ "$(systemctl is-active apache2)" = "active" ]; then
echo "Apache2 is active"
ApacheIsRunning=1
else
echo "Apache2 is not active"
ApacheIsRunning=0
fi(Last update on September 1, 2026 was done by Editor F.)
Sometimes, one wants to put a nextcloud installation into “Maintenance mode” from the command line. Assuming your nextcloud is installed in /var/www/nextcloud/, the following command will put it in maintenance mode:
sudo -u www-data php /var/www/nextcloud/occ maintenance:mode --onThe following command will deactivate maintenance mode:
sudo -u www-data php /var/www/nextcloud/occ maintenance:mode --off(Last update on September 1, 2026 was done by Editor F.)
Sometimes, one wants to put a yourls installation into “Maintenance mode” from the command line. Assuming your yourls is installed in /var/www/example.com/x/, the following command will put it in maintenance mode:
touch /var/www/example.com/x/.maintenanceThe following command will deactivate maintenance mode:
rm -f /var/www/example.com/x/.maintenance(Last update on September 1, 2026 was done by Editor F.)
Sometimes, one wants to put a wordpress installation into “Maintenance mode” from the command line. Assuming your wordpress blog is installed in /var/www/myblog.example.com/, the following command will put it in maintenance mode:
echo '<?php $upgrading = '"$(date +%s)"'; ?>' > /var/www/myblog.example.com/.maintenanceThe following command will deactivate maintenance mode:
rm -f /var/www/myblog.example.com/.maintenance(Last update on September 1, 2026 was done by Editor F.)