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Install ZeroTier on Synology NAS (also ARM64) without Docker

The official ZeroTier tutorial for Synology currently has the following limitations:

  • No ARM64 - Docker (Container Manager) package cannot be installed on older ARM64/aarch64 Synology models (RS819, DS119j, DS418, DS418j, DS218, DS218play and DS118 particularly). Even if you manage to install Docker yourself (might be tricky), the official zerotier-synology image is amd64 only at the moment (there’s a pull request for arm support, hopefully it will be merged some day).
  • Older ZeroTier client: at the time of writing zerotier-synology uses ZeroTier 1.10.6 while the latest version is 1.12.2

If you want to use the latest ZeroTier and/or if you have ARM64-based Synology and/or simply prefer to avoid Docker, this tutorial is for you.

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Compile ZeroTier client with no dependecies to use on any Linux

Using the steps below you can successfully compile ZeroTier for x86_64, arm64 and arm32 (armv7) Linux systems. The resulting executable has zero dependencies thanks to static linking thus can be basically used on any Linux, including all Synology NAS models. We used a virtual machine for x86_64 build and Raspberry Pi 4 for arm64 build all running Ubuntu 22.04.

Related:

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Solving problems using Qt with Xcode 15

Once you upgrade to macOS Sonoma, you have to use Xcode 15 (Xcode 14 won’t work) and might face similar problems as described below.

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MacBook Pro and Mac mini 2023 suport


We’re happy to announce that the most recent version of Macs Fan Control fully supports new MacBook Pro and Mac mini 2023 with M2 Pro and M2 Max chips.

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Getting Qt 5.15 LTS source

Last update: 24 January 2024

As you might know, Qt Group doesn’t publish source code neither changelog for Qt 5.15 LTS updates. Instead getting those now requires buying a commercial license starting with Qt 5.15.3. This decision was controversial and pretty unfortunate for many Qt users but luckily Qt Group decided to release source code for each LTS update exactly after 1 year. Qt Group never announced this information officially but according to the upload date on their server, 1 year is what you need to wait before getting the source code.

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Mac Studio fan control and fan noise


We’re happy to announce that the most recent version of Macs Fan Control fully supports new Apple Mac Studio 2022 mini desktop computer.

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M1 Pro/Max MacBook Pro temperatures and fan control

We’re happy to announce that the most recent version of Macs Fan Control fully supports latest Apple Silicon chips M1 Pro & M1 Max on new MacBook Pro 2021. As you can see the app displays both CPU efficiency/performance cores as well as GPU clusters temperatures.

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Switching to Plausible Analytics and ditch Google Analytics

We’re happy to announce that we recently switched from Google Analytics to Plausible Analytics, lightweight, privacy-friendly and open-source website analytics tool.

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Debug your Qt apps on macOS in Qt Creator (lldb workaround)

Many developers started complaining that lldb debugger shipped with latest XCode update (12.4) no longer works when trying to debug your app. It can be difficult to diagnose the issue because you only see “Debugger started” and “Debugger finished” message in Qt Creator. By using View->Views->Debugger Log you can actually locate the problem and see the “Not allowed to attach to process” error message. Basically lldb now requires your app to be signed with the get-task-allow entitlement which allows other processes (like the debugger) to attach to your app.

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Drop Windows XP/Vista support


Windows XP and Windows Vista will no longer be supported in future versions of CrystalIDEA apps. Server versions of these legacy systems will be discontinued as well (Windows Server 2003/2008).

Below is the list of last versions of our apps (plus download links) that are still compatible with Windows XP and Vista:

Licensing concerns

Already issued licenses will continue to work normally on legacy systems. If you decide to upgrade your OS (e.g. Windows XP -> Windows 10) there’s no need to purchase a new license, simply uninstall the app from the old PC/OS and activate your license in the new OS.

If you purchase a new license and do really want to use it on a legacy OS, just just use one of download links above.

Some numbers

  • Windows XP was released in 2001 and Microsoft officially discontinued its support in 2014.
  • Windows Vista was released in 2006 and Microsoft officially discontinued its support in 2017.
  • In 2021 both Windows XP + Vista users are 0.58% of the website audience (1 Jan - 4 May).