Author: David Yin

Motorola NVG589 VDSL2 Gateway

ATT Internet users in Bay area use Motorola  ARRIS NVG589 Gateway. The device can also used for VOIP. My parents in law have this device since last month. The Admin interface is http://192.168.1.254 Access code is printed on the device label.   I found three guides online. Saved here for future referenc. Motorola NVG589 VDSL2

Upgrade to Calibre 3.31

New features v3.15 Book list: Allow changing the font used for any column to bold and/or italic by right clicking on the column header and choosing ‘Change font style’. Note that this setting is per-library so it has to be done once for the book list in every calibre library. fetch-ebook-metadata.exe: Allow specifying identifiers other

Do not use Google Authenticator

After I change my old smartphone to LG Q6, I would like to transfer all apps to it. I used Google Authenticator for a bunch of websites as the Two-factor Authentication. I just found Google Authenticator cannot move all these accounts to my new phone. To do the transferring, I have to manually re-add it

Got an LG Q6 from Fido Store

Last weekend, I went to the Fido store at the Brentwood town center. My old cellphone is Jianguo YQ601. I used almost two years. Now I feel the old one is too slow and its battery can only run 4 to 6 hours. Just one week before, I received the txt message from Fido. It

How to get a perfect SSL Labs score

It is easy to get an A+ on your website. But it is a little bit hard to make a 4 parts, Certificate, Protocol Support, Key Exchange, and Cipher Strength, to be 100%. Most of time, I got A+ rating of my site. For individual scores, the last two are 90%. Let me break down.

NES Classic Game Console

I saw the Nintendo announced that NES Classic Edition will return to stores on June 29. When it is first launched in November 2016, I think it is a good idea to have one. I can tell my kids, how I like the home game when I am at their age. It is sold out

Upgrade my Kindle Paperwhite 7th

There is a new, free software update available for your Kindle Paperwhite (7th Generation). This update automatically downloads and installs on your Kindle Paperwhite when connected wirelessly; however, you can also manually download the software and transfer the update to your device via USB cable. Of course, I always download the firmware from the official