Tag: macOS

How to reinstall macOS

  There are a few reasons why you might want to reinstall macOS (or even Mac OS X). Perhaps your Mac is working erratically and you think that a clean install of the operating system might fix the issue. Alternatively, you might be planning on selling …

Root Access Sudo Bug Found to Affect macOS Big Sur

The security vulnerability, identified last week as “CVE-2021-3156” by the Qualys Security Team, affects sudo, which is a program that allows users to run commands with the security privileges of another user, such as an administrator. The bug triggers a “heap overflow” in sudo that changes …

How to install macOS Big Sur on an old unsupported Mac

  Apple updates its macOS (previously Mac OS X) desktop and laptop operating system once a year, like clockwork, bringing new features and improvements. That’s all very well, but Apple’s most recent version of macOS – Big Sur – won’t run on any Mac older than …

How to download old macOS and Mac OS X versions

  There are a few reasons why you might want to download and install old versions of macOS or Mac OS X. Perhaps you are relying on software you have discovered doesn’t work properly in the newest version. Or maybe you just don’t like the new …