Catalina on Virtualbox installation

cf: https://techsviewer.com/install-macos-10-15-catalina-on-virtualbox-on-windows-pc/

These codes are critical. Issue  these lines in user account (chiao) not sudo.

Code for VirtualBox (New): 
Note: replace "Your VM Name" in this commands line with your Virtual Machine Name in step 3, then type in the following code:

• cd "C:\Program Files\Oracle\VirtualBox\"
• VBoxManage modifyvm "Your VM Name" --cpuidset 00000001 000106e5 00100800 0098e3fd bfebfbff
• VBoxManage setextradata "Your VM Name" "VBoxInternal/Devices/efi/0/Config/DmiSystemProduct" "iMac11,3"
• VBoxManage setextradata "Your VM Name" "VBoxInternal/Devices/efi/0/Config/DmiSystemVersion" "1.0"
• VBoxManage setextradata "Your VM Name" "VBoxInternal/Devices/efi/0/Config/DmiBoardProduct" "Iloveapple"
• VBoxManage setextradata "Your VM Name" "VBoxInternal/Devices/smc/0/Config/DeviceKey" "ourhardworkbythesewordsguardedpleasedontsteal(c)AppleComputerInc"
• VBoxManage setextradata "Your VM Name" "VBoxInternal/Devices/smc/0/Config/GetKeyFromRealSMC" 1

Change the screen size (e.g. 1440x900):
VBoxManage setextradata  "Your VM Name" VBoxInternal2/EfiGraphicsResolution 1440x900

screen useful commands

Screen commands

 create new window C-a c
rename current window C-a A
see window list C-a " (allows you to select a window to change to)  

split display horizontally	C-a S
split display vertically	C-a | or C-a V (for the vanilla vertical screen patch)
jump to next display region	C-a tab
remove current region	C-a X
remove all regions but the current one	C-a Q

Scrollback-buffer

In copy mode, one can navigate the scrollback buffer in various ways:

half page up	C-u		half page down	C-d
back	C-b		forward	C-f
cursor left/down/up/right	h/j/k/l

vmware mac OS Catalina installation

cf from: https://techsviewer.com/how-to-install-macos-10-15-catalina-on-vmware-on-windows-pc/

1. update vmware wordkstation to 15.5.1
2. download unlocker 3.0.3, VERY IMPORTANT!, Edit lnx-install.sh,
   Change the lines inside of lnx-install.sh from 'python gettools.py' to 'python3.7  gettools.py' 
3.  Create new guest : Select Guest Operation System: Apple OS X -> macOS 10.15
4.  After get into guest, then power off, close vmware workstation
5.  Edit vmx file: insert smc.version = "0" 
6. Open guest and click Options tab, Guest Operating System  change  to Microsoft Windows and Version to Windows 10 x64
7.  Power on guest, get into the page: macOS 工具程式，select:
8. click it, then
   
9. Then erase it and format as Mac OS 擴充格式 (日誌式)
   
   click 清除.
   
   
10. Back into macOS 工具程式，then 安裝 macOS
11. Wait ... couple of hours !
12. After installation is ok, change Guest OS back to "macOS 10.15"

clone grade database

Clone from  kpci7:
mysqldump -u chiao -h localhost  -p grade_108_1 > grade_108_1_20200103.sql

to kpchiaoi5:

mysql -u chiao -p grade_108_1 < grade_108_1_20200103.sql