What is an SPF record? And why use them?

An SPF record is basically a DNS record of the TXT type, which contains information about who may send email from your domain. It is used to avoid spoofing and spam. So how does it work? Basically, when a (decent) email server receives an email that is supposedly originating from [...]

By |2020-03-21T21:08:17+01:00March 21st, 2020|Wiki|0 Comments

Minecraft (SpigotMC) Server in Docker

Update 2020-November-12 I used to suggest using the image openjdk:8-alpine but it wasn't updated in a year, so I now suggest using openjdk:8-jre which seems to be actively maintained! I also added "nogui" at the end of the command as Spigot does now accept and understand it. Like the previous [...]

By |2020-11-12T09:38:18+01:00November 26th, 2019|Tech Support, Wiki|Comments Off on Minecraft (SpigotMC) Server in Docker

Minecraft Server in Docker

Update 2020-November-12 I used to suggest using the image openjdk:8-alpine but it wasn’t updated in a year, so I now suggest using openjdk:8-jre which seems to be actively maintained! Moving your existing server to Docker! This guide assumes you already have a Minecraft server set up on your host machine. [...]

By |2020-11-12T09:39:28+01:00November 9th, 2019|Tech Support, Wiki|Comments Off on Minecraft Server in Docker

Securing your website further with Certification Authority Authorization (CAA)

Don't let just "anyone" issue a certificate for your domain! If you run your website, you probably secure it with HTTPS (if not, you really should). And if you're techy and smart, you're using Let's Encrypt to do so. This would mean that Let's Encrypt is your CA (Certificate Authority). [...]

By |2019-10-20T18:25:20+02:00October 20th, 2019|Tech Support, Wiki|Comments Off on Securing your website further with Certification Authority Authorization (CAA)

Self-Hosting Threema Web

If you use Threema, you probably know of the "Threema Web" feature.But did you know it's open source? So what's Threema Web? It's basically a web application, that connects with your phone and allows you to chat on your desktop through the browser. You can see all your chats in [...]

By |2019-10-19T23:47:00+02:00October 19th, 2019|Tech Support, Wiki|Comments Off on Self-Hosting Threema Web

So, how to 2FA then?

A quick update to -or continuation of- my previous post. FIDO U2F and FIDO2 FIDO U2F is a hardware-based second factor authentication which requires you to plug in a USB key (or NFC on phone) to authenticate against a website. It works on all major desktop browsers and does not [...]

By |2019-10-19T15:12:49+02:00October 19th, 2019|Review, Update, Wiki|Comments Off on So, how to 2FA then?

Virtualization on Windows

Now that we covered virtualization on Mac, let's go over to Windows! Microsoft Hyper-V If you have Windows 10 Pro or better (includes Education and Enterprise), then you already have a native virtualization option on board! To enable it, simply open a PowerShell as administrator and type in following command: [...]

By |2019-10-12T10:23:54+02:00October 12th, 2019|Review, Tech Support, Wiki|1 Comment
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