Mac Tutorial

How To Fix Authentication Failed For Bitbucket Pull Push Fetch Actions

When I push my source code changes in SourceTree to the bitbucket server, it popup a dialog to let me input the username and password. But whatever password I entered ( including the correct password), it will fail to push the changes to the bitbucket server. This error occurs when I fetch or pull the …

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How To Fix The Error Unable To Insert The Virtual Optical Disk VBoxGuestAdditions.iso Into The Machine

After installing the virtual machine in VirtualBox, I want to change the virtual machine’s screen resolution in the virtual machine. So I click the VirtualBox Manager or Virtual Machine’s Devices —> Insert Guest Additions CD image… menu item. But it shows the error message like Unable to insert the virtual optical disk C:\Program Files\Oracle\VirtualBox\VBoxGuestAdditions.iso into …

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How To Turn On/Off SIP (System Integrity Protection) On Mac OS

When you install mac software, you may encounter a warning message like “XXX” cannot be opened because of a problem. Please contact the developer to confirm that “XXX” can be used with the macOS version. You may need to reinstall the application. Be sure to install any available updates for this application and macOS. This …

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