Simon Fredsted

Managing networks got confusing in Ubuntu 18.04 and later. Here’s what you need to know.

Kubernetes has established itself as the App Store of the Enterprise, with the majority of Fortune 500 companies using it to run apps of all kinds. But it’s not without problems. In this blog post, I detail some of the issues Kubernetes is still facing as it becomes the favored app platform of organizations across the globe.

Some Corsair keyboards won’t work in your computer’s BIOS due to gaming optimizations — any keys you press before booting an OS will not be recognized. In order to use your keyboard in the BIOS, you must turn on “BIOS mode” for your keyboard. This mode apparently also is required to use the keyboard on […]

On June 3, 2019, Apple launched its long awaited successor to the “trashcan” Mac Pro introduced back in 2013. In what some has dubbed “its attempt to build the most powerful Mac ever”, Apple went all out to create the ultimate workstation for scientists, 3D modelers, creative professionals, movie editors, composers, and many more. Yet, […]

A post chronicling the challenges of managing increasing complexities and growth of Webhook.site, a simple tool for Web developers used by thousands of users.

Come along for an exciting investigation into DNS issues with Kubernetes where we in the end we discover the antagonist … systemd!

How Internet browsers changed everything about the applications on your computer, and where we go from here.

Everyone who’s logged in to a server knows htop. But few know all of its magnificent secrets.

byobu brings text-mode computing into the 21st century with windows and tabs. And now, also, mouse support.

In 2016, I wrote the utility Webhook.site for testing webhooks. But what is a webhook anyway? And why are they so important for applications on the Internet?

I attended Kubecon/CloudNative Con last week, and it was a great way to see how various large and small companies – all 4000+ participants – are using Kubernetes in their systems architecture, what problems they’re having and how they’re solving them. Interestingly enough, a lot of the issues we’ve been having at work are the […]

These days, enterprises host thousands of servers with their cloud providers. But how do they keep track of them all? And what if you could define your whole infrastructure by writing it down like a recipe?

At WWDC 2016, Apple unveiled a brand new font which was called San Francisco. The font went on to become the default font in macOS and iOS, replacing Helvetica (which replaced Lucida Sans). On watchOS, a special Compact variant of San Francisco, was used. Later, Apple introduced yet another variant, a monospaced variant, which I think simply […]

ElasticSearch is a popular search engine and database that’s being used in applications where search and analytics is important. It’s been used as a primary database in such applications as HipChat, storing billions of messages while making them searchable. While being very feature-complete for use cases like that, being new (compared to other popular datastores like MySQL), ElasticSearch […]

As a software developer, I not only work with lots of different windows on my computer screen, but with lots of different sets of windows. Not only am I dependent on windows being in different places, but in different sizes. As such, I need to manage all these windows in some way. For example, I often need to […]

Extending a logical volume group usually needs to be done when the size of a VMware disk has been increased for a Linux VM. When resizing a disk, the volume isn’t extended automatically, so you need to extend the logical volume in the VM’s volume group. This article assumes that: You have a LVM volume group with a logical […]

If you’re in need of a simple computer to drive an infoscreen, which usually just consists of showing a website in fullscreen, Raspberry Pi computers are a great choice. They’re cheap, newer versions have WiFi and HDMI output, and they’re small – so they’re easy to mount on the back of a TV. Even better, most […]

Safari uses a strikethrough in showing invalid properties in style sheets. This is not documented, and there’s no tooltips to explain this multicolored line. There are 2 known different strikethroughs, red and black. Styles getting overridden by other styles are striked out in black:   But when it’s an invalid or supported property, or the value can’t […]

About a year ago, I developed a WordPress extension called WP Login Attempt Log. All it does is log every incorrect login attempt to your WordPress page and display some graphics and a way to search the logs. It logs the username, the password, the IP address and also the user agent, e.g. the browser […]

In my last post I introduced you to the release of my personal Roundcube skin. It’s been a few months, and in the meantime a new version of Roundcube arrived bringing changes to the way skins are handled. As it turns out, my skin wasn’t compatible with the new version. Therefore I’ve updated the skin – […]