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.
Dark wallpapers are gradually becoming an indispensable feature on mobile applications today and are gradually being developed on PCs. After Facebook Messenger , Viber has officially updated the Dark mode feature for both mobile devices and PCs. This feature will help you to use the free messaging app Viber regularly without being dazzled by the reflection from the screen.
Download the Viber app for Android Download the Viber app for iOS
For those who often work with computers and phones, the dark mode is really useful, we can see the screen for a long time without eye strain. In addition, according to the assessment, the dark background mode also helps to save battery for the device. Certainly in the future applications will bring the dark background feature to use, most recently Google has also moved to bring the Dark mode feature to the Android operating system in the upcoming version. Below we will show you how to enable the dark background feature on the Vibe r app for mobile devices.
Step 1:
Update Viber application on your computer to own the latest version of Viber from the publisher.

Step 2:
After updating Viber you will see a notification about the new dark background the whole application. At the main interface, click the Settings button (in the top right corner) -> Change Theme.
Step 3:
The Settings interface appears, click the Appearance tab . In the Appearance window on the right, click Dark Blue or Black to use Viber's dark background.
Immediately after selecting one of the two modes, you will see the dark background applied immediately for all your Viber applications on the computer.
Step 1:
To use the dark background feature you need to update Viber to the latest version. You can download the latest Viber by following the download link above or go to Google Play and the App Store for updates. This feature does not work by default, so to use you must activate with a few simple operations.
After updating, please open the Viber application. At the Add dash (in the bottom right corner) to get to the personal settings page.
Step 2:
At the interface to set up personal page, click to Settings -> Appearance.
The Appearance window appears, select the Dark mode feature . Immediately your Viber interface will be transferred to the dark background.
You return to the chat interface of Viber and you will see the whole has been transferred to the dark wallpaper.
Above we have shown you how to activate the dark background of Viber. Hope this feature will help you reduce eye strain and save battery when used regularly.
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.