Articles

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

Diagnose a CPU-heavy whoopsie-upload-all process, stop Ubuntu crash uploads safely, and choose between disabling, masking, or removing the packages.

Possible fix:

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

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 or a broken KDE Plasma panel after a Kubuntu upgrade? Follow a careful repair sequence, check Qt versions, and back up your layout before resetting it.

Fix invalid multibyte string errors in R, identify CSV encoding problems, and build reliable imports that preserve customer names, addresses and symbols.

Keep homepage-only PHP predictable across plain PHP, WordPress, Symfony, and Laravel, with practical checks for campaign links, staging paths, and caching.

Installation on Ubuntu 20.04

If you are running with Apache you can install from dpkg. If not, then it's probably better to install from source.

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

Here are som great options to add:

File: ~/.nanorc

Content:

Recover an old website with HTTrack or the Wayback Machine. Learn what each can save, check archive gaps, and plan a rebuild that restores useful business pages.

Work out whether your Honda Click 125i is stalling or using Idling Stop, check coolant safely, and give your mechanic a clear account of the problem.

To detach a process started in the terminal, you can always add & at the end. For example: npm run evaluation &

Many times you need to download files from the internet, specifically when you want to automate a process or two. Here is where wget comes in handy.

Find the WordPress performance fixes worth doing first: diagnose Core Web Vitals, prioritise important pages, and give your developer a clear, testable brief.

SoapUI is a smart and advanced open source tool to test APIs.

R-Project can be used to parse, build and validate XML files.