If ssh dsa key is used for password-less access to other boxes, it won't work in MacOS Sierra anymore.  It's because: The problem is that DSA keys are obsolete after OpenSSH 7.0, which the new system

The Raspberry Pi 3 + external 4TB drive setup, originally I tried to set it up as Plex server. And the CPU is just not powerful enough. I decided to convert it to a NAS for Time machine purpose. Follo

update: So far the Raspberry Pi 3 is not powerful enough for me.  It takes several minutes for a movie to start streaming a mp4 file to ATV in the same LAN.  It just not good enough, yet. My mac is ge

update: 2017/07/05 After update macos to high sierra, phigets driver needs to be reinstalled. With latest version of Roastmaster, you can use latest Phigets driver. I got the Phidgets 1048 temperature

[youtube=https://www.youtube.com/watch?v=iidmqCWCxsg&w=800&h=450] 重點： the longer you brew, the bitter it get. 泡越久就越苦。 水溫：中焙或深焙：175℉ (80℃)；淺焙：185℉ (85℃)。 咖啡粉刻度：粗細依個人喜好(可細到expresso，或一般手沖刻度)，建議e

El Capitan just released. And surely we need to take care the upgrade for Homebrew. Check this out if you're not familiar with it. Here's the upgrade steps: update xcode to 7.0.1 install command li

Upgrade to Yosemite will break NTFS R&W. Here's how to redo it: Requirement brew brew cask if you don't know or don't have brew, check this out: dotfiles Installation 1. Install a binary osxfuse

測線器，一個發射端，一個接收端，上面8顆燈號 發射端會依序打出信號 1~8號燈，然後看接收器 1~8號燈 有沒有亮。 沒亮 = 線材中間斷蕊 亮的燈號順序不對 = 壓頭蕊線顏色排列錯誤，重壓 Reference: http://blog.xuite.net/axian/blog/224348022-%E8%87%AA%E5%B7%B1%E5%8B%95%E6%89%8B+DIY+RJ45+%E

一加手機的國際版很難買到，因此買大陸版的(型號A001，預設是ColorOS 1.2)回來再改。其實露天的賣家有提供免費的改機服務，但我就想自己玩玩。 爬了中外各大網站，大家都說很簡單，什麼免PC，直接用手機去CM下載，按住volume下鍵 + 電源鍵，直接用Recovery更新，我的就不work。最後還是用開發者的方法，使用Android SDK，直接flash到CM11s。 準備 一台PC，

薏仁又稱薏苡仁、苡米。從營養學觀點來看，薏仁的蛋白質（13～16％）及脂肪含量（4～11％）豐富，尤其胚乳部份蛋白質更可高達16.2％，比小麥多2％左右。 台北市立聯合醫院和平婦幼院區營養師李貞慧表示，薏仁的碳水化合物含量在60％左右，且有豐富的膳食纖維；熱量每100公克高達370～420卡，高於白米的350卡及小麥的335卡。此外，薏仁還含有多量的維生素B1、B6、鐵質與鈣質，營養價值頗高。 在