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Replace cartridge: Open access to printer, press stop 5 seconds and repeat.

Safely inspect PHP and WordPress constants, distinguish missing values from false ones, and diagnose configuration drift without exposing production details.

Check if file or directory exists, multiple ways: https://linuxize.com/pos

Use journalctl and dmesg to investigate Ubuntu server problems, filter logs by time and service, check previous boots, and give your team a clearer handover.

Decide when WordPress needs server cron, keep useful WP-CLI commands, and follow a safe migration process with checks for the business workflows that matter.

find [FOLDER_NAME]/* -prune -mtime +14 -exec rm {} \;

Make Nagios HTTPS monitoring more useful with practical content, certificate and redirect checks, clearer alerts, and a tested migration from check_http to check_curl.

Flush Ubuntu’s DNS cache, identify the resolver your application uses, and verify website, email or API changes before calling a migration complete.

sudo systemctl stop apport
sudo systemctl stop whoopsie 
sudo systemctl disable apport

A nice little guide: https://tecadmin.net/run-shell-script-as-sy

Possible fix:

Delete the cache: ~/.config/skypeforlinux/Cache/

In firefox I have enabled a couple of tweaks described here for hardware acceleration:

Prevent broken text in MySQL exports by checking column metadata, choosing the right dump charset, and proving the restore before migration handoff.

Use "xdotool key Menu" in a global shortcut. That's it!

Quick note: xinput map-to-output 11 eDP

Missing icons on the login screen and everywhere else after upgrade to Kubuntu 21.04? You have come to the right place!

Fix multibyte character errors in R without losing names or symbols. Learn how to check CSV encoding, convert text to UTF-8, and avoid destructive cleanup.

Run PHP only on the homepage without brittle URL checks. Practical patterns for plain PHP, WordPress, Symfony, and Laravel, plus a live-site test plan.

Installation on Ubuntu 20.04

The text editor "nano" is an easy to use editor for linux etc.

Here are som great options to add:

File: ~/.nanorc