Install guide for QNAP TS-420 NAS with Ubuntu 14.04 64 Bit

I thought I’d put this together, when the automatic cloud install on my new QNAP TS-420 did not go according to plan. After hours searching the QNAP website, trying and failing to raise any QNAP technical support, searching google and reading the product manual back to front… I found either nothing or only conflicting information.

Problem, automatic cloud install hangs:myQNAPcloud

The following method has been tested and works (provided from start to finish, just in case the auto cloud install works for you):

1. Install physical HDs in each tray, fully insert into NAS
2. If you have a myQNAPcloud Cloud Key, plug-in and turn on the NAS unit, then go to in your web browser
3. Follow the steps to register and setup your device
4. You possibly will get to the screen, where you will see spinning wheels indefinitely, with Status LED flashes green quickly, LAN LED flashes orange, all four HD lights on steady green. Here your automatic cloud install journey ends (good luck if you get it working though)
5. Now we must do the following, sourced from:
6. Turn off the NAS unit and remove ALL drive trays.
7. Turn on the NAS unit (with no drive trays inserted) then, once the boot sequence completes and you get on short beep, then wait TWO to FOUR minutes (yes,be patient and wait)
8. Now you should have a fast green flashed Status LED, insert disk trays one at a time from left to right, waiting for each drive LED to go steady green.
9. Download and install the Qfinder linux app from:
10. Untar the package QNAPQfinderLinux-[version].[date].tar.gz as follows:
$ tar -xvf QNAPQfinderLinux-[version].[date].tar.gz
11. Refer to the Qfinder README text file, which instructs to open Terminal and install as follows:
$ sudo apt-get install libjpeg8:i386 lib32stdc++6 libsm6:i386 libgtk2.0-0:i386
12. Run Qfinder as follows:
$ cd Qfinder
$ sh ./Qfinder
13. Your NAS device should show on the screen (with a default name), run the firmware download and setup
14. When prompted, select Quick Configuration (for RAID 5), then enter the required Admin info (desired name, complex password, etc) when prompted. You can select Manual, if you require other RAID configuration types.
Install takes about 20+ minutes (depending on your HD size) and providing all proceeds well, you should see a friendly progress bar, Status LED flashing between red/green and drive lights flashing synchronously on/off in green.
15. Ta da! You now have a RAID 5 NAS, which you can manage from your Ubuntu 14.04 system.

Note: I’m experiencing a major issue with Qfinder.release taking almost 100% CPU, which I’ll research and advise what the issues is here.

Update: A reboot fixed the 100% CPU utilisation, so seems to be fixed. I noticed that the firmware version was only at 4.07 build from April 2014, despite the latest available being 4.10 released June 2014 and Qfinder setup process stating it checks for and installs the latest firmware version.

QNAP NAS Firmware

A manual install of the latest firmware is required, which can be completed by manually downloading and extracting the latest firmware, then selecting the img file from the NAS web interface in Control Panel, Firmware Update settings.


Focus on enabling successful business technology outcomes. I believe that Open wins over Closed and that a diverse eco-system is essential for interoperability to avoid vendor lock-in. This approach is essential for any enterprise considering hybrid cloud. Principal Solutions Architect ANZ at Nuage Networks

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