How to run the sudo command without a password

The sudo command is an excellent part of the Linux command-line. It allows users to execute root commands without needing to log into root, protecting their security. The problem is, to use the sudo command, you’ll need to enter your password. Having to enter your password to execute the sudo command is undoubtedly an excellent […]

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How to verify ISO checksums on Linux

If you’ve used Linux for any amount of time, you might notice that many Linux operating system developers ask that you “verify the checksums” after downloading. What is a checksum? It’s a data block that is algorithmically generated. It is used to check for tampering or errors in a file. In the Linux community, developers […]

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How to reset the PIN on Windows 10

Windows 10 allows users to lock their desktop with a password. A password can be set for both local accounts and for Microsoft Live accounts. Passwords aren’t the only way to lock a desktop though. Users have the option to set a PIN, use Windows Hello if they have a supported device, or set a […]

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How to fix the ‘Untrusted Developer’ error on iOS

Apps on iOS generally only come from the App Store. These apps have been vetted by Apple and are safe. They are also signed by the developers who made them, and they meet all security requirements that Apple has set. That said, apps can come from outside the App Store. Getting them isn’t easy but […]

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How to check if an app is signed on macOS

App signing is a way to verify that an app is trustworthy. macOS checks an app for a valid signature and if it doesn’t have one, it will block the app from running and/or installing. There is a way to get around the stop if you want to run an unsigned app but you do […]

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