Fix Charge HR Shows Battery Symbol with Exclamation Mark Problem

I went back home last month and put my Charge HR in a corner since then. But when I prepare to wear it these days, I found my Charge HR shows a battery symbol with an exclamation mark on the screen. It cannot display dashboard as usual, neither can I connect that device from my smartphone. My smart band was fully charged, so this issue was not caused by lack of power.

继续阅读Fix Charge HR Shows Battery Symbol with Exclamation Mark Problem

Use API to monitor IDCF data transfer usage

IDCF is a large enterprise which provides VPS service at an affordable price in Japan. It provides 3TB data transfer for free each month, Extra transfer fee should be paid after exceed the free plan. So it’s a wise choice to balance the data transfer from the different zone.

继续阅读Use API to monitor IDCF data transfer usage

Mount external disk at Linux startup

It is generally acknowledged that most Chromebook has only 16GB ROM, which means if you install Linux on your Chromebook, the remaining free space will be very small. Taking into account the current SSD price, using external SD card is a very wise choice: Most Chromebook has an SD card slot and SD card is cheap nowadays —— I bought a 32GB class 10 SD card on eBay with only $8. So we need to mount that SD card (external disk) at Linux startup. 继续阅读Mount external disk at Linux startup

Try IDCF cost simulation and get a coupon

IDCF recently announced cost simulations function. Which means you only need to speak out the demand, IDCF will automatically recommend the appropriate VPS for you and give a price list. That sounds cool but more important, IDCF will give you a ¥1000 JPY coupon as a reward of this promotion. 继续阅读Try IDCF cost simulation and get a coupon