Open "Keychain Access" In "View", enable "Show Invisible Items" Search for "Auto Unlock" You should see a whole bunch of application passwords for "Auto Unlock: XXXX's ..." Select all records and delete (this will reset/disable auto unlock on other Macs if you use multiple Macs) Whilst still in "Keychain Access", search for "AutoUnlock" (no space) There should be 4 entries for "tlk" "tlk-nonsync" "classA" "classC" Select 4 records and delete (don't worry if they re-appear, the system repairs this automatically) Open "Finder" and navigate to "~/Library/Sharing/AutoUnlock" There should be two files "ltk.plist" and "pairing-records.plist"

Make sure you have xcode components are installed. Download 'Command Line Tools' (about 500MB) directly from this link (Requires you to have apple account) https://developer.apple.com/downloads/index.action Install the downloaded file Click on Install Install COCOAPODS files in terminal

Oracle Virtual Box Installation on MacOS 11 (Big Sur) Download Virtual Box from the website. Link Install the Virtual Box form the install file. You will get a security error due to the new MacOS security policies. To get around drag the VirtualBox.pkg to the desktop. Right Click on the Icon and Cleck Open. Go to Settings > Security & Privacy > General. Select Allow in the bottom of the screen.

The benifits of using github to back up your xcode projects is that if something happens to the hardware with whi h you are developing your project. The Software is automatically backed up. Not only that since GitHub has built in VCS it also helps in rolling back from buggy updates. Open Xcode. Go to Xcode Menu. Click on Preferances under Xcode. Click on Accounts. Then on the small '+' button on the Bottom Right side of the screen.

Introduction to Cloud Computing Let us define what cloud computing means in layman's terms. It is a system that 5 basic components: On-Demand and self servicable IT resources. World Wide Access Resource Pooling Rapid Elasticity Measured Services for Billing