Get Nextcloud Cron Running Automatically with a Systemd Timer
Check Nextcloud’s cron mode, repair its systemd service and timer, and verify that background jobs run after startup and every five minutes.
Have you inserted a photo into Google Slides and want to edit it beautifully? Here's how to edit, crop, and add borders to photos in Google Slides .
Google Slides is a great tool that helps you create professional presentations. An important and indispensable part if you want your speech to attract the audience is images. If you use the wrong image or place it in an inappropriate location, you can cause the opposite reaction. To avoid that, you can recolor, format, and re-edit photos in Google Slides to make everything look as professional as possible.
Basically, using Google Slides is similar to Microsoft PowerPoint. You'll find many familiar features here from choosing fonts, formatting margins, inserting transitions to adding charts and more.
In 2014, Google Slides introduced some interesting editing features such as cropping, creating overlays, and adding borders to photos. By 2022, these features have become the most "attractive" point of Slides. As a teacher, you can use them to create beautiful visual effects for lectures in class or online.
You can try many different types of effects. However, the first thing you need to learn is how to edit photos in Google Slides. This step is not difficult and you do not need to rely on third-party tools. Below are detailed instructions.
Instructions for editing photos in Google Slides

To crop an image to a specific shape, select a mask from the drop-down menu next to the Crop icon. You have many options for shapes, arrows and other callout designs to insert into Google Slides as shown below.
It's done! Above is how to edit photos in Google Slides . As you can see, it's not too difficult, right?
Check Nextcloud’s cron mode, repair its systemd service and timer, and verify that background jobs run after startup and every five minutes.
Enable reliable Nextcloud file locking, choose the right Redis or Valkey backend, and verify the warning clears without risking concurrent file changes.
Fix common Nextcloud scan findings with current updates, HTTPS and HSTS, precise reverse-proxy trust, and checks against the public server.
Back up Nextcloud’s files and MariaDB together, schedule encrypted Restic snapshots with cron, and verify recovery without risking the live server.
Configure Nextcloud SSE for the storage that needs it, protect encryption keys, and measure transfer and CPU impact before encrypting existing files.
Connect Nextcloud’s file search to Elasticsearch, index document contents, and choose a setup that fits your server and security needs.
Configure Nextcloud to remove deleted files after a defined retention period, schedule background jobs reliably, and avoid commands that purge every user’s trash.
Run Nextcloud’s OCC repair safely, preview the database changes, and check why the warning might remain.
Allow larger Nextcloud browser uploads by aligning PHP, Nginx or Apache, temporary storage, and timeout settings—and verify which limit is blocking the file.
Set the PHP memory limit Nextcloud actually uses, restart the right service, and confirm the 512 MB setting in Admin Overview.