Post OS X (Yosemite and Mavericks) Installation

Alright, after we installed Mac OS X Yosemite, there are things we need to do to get the laptop working its best. Most of the time, we have to boot with safe mode and in safe mode, ntfs or fat partitions will not be seen by Mac, so the best is to prepared all the necessary kexts

Set Password For Sudo Commands Permanently OS X

When we write scripts, we want to embed sudo command with password automatically for our username. We need to edit the hidden etc/sudoers to add (usersname is our login name). usersname ALL=(ALL) NOPASSWD: ALL        

Mac OS X Hot Corners

Hot Corners are 4 corners short cuts just like Windows 8 is implementing in Mac OS X. It’s a very nifty and efficient short cuts by moving the mouse cursors to 4 corners and get the actions programmed.

Fix Yosemite OS X From Waking Up After 2 Hours

2014-11-23 – The method below doesn’t really work if the AC power is connected – it still reboots after a few hours. I found this fix for the RTC Alarm which works through the night with AC power on, although it has some inconvenient stuff. I used this method now. The inconvenient stuff is: 1.

HP Error Code 0xc0000225 BSOD

For some unknown reasons, sometimes my HP Envy 4-1117nr came up with a blue screen with Error Code 0xc0000225. It doesn’t matter what I do, it always come back up to the same screen until I let it sits by itself  until it turns off the laptop. Then I can boot again to whatever the selection