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To flush your DNS cache on a Mac we simply need to use the following command within a Terminal window. The command may very but the one below should handle Macs running macOS Big Sur and later operating system.

As stated, open Terminal and enter the following command: sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder

You’ll need to enter your password and press Return to complete the process. It may even be advisable to restart / power cycle your Mac after this.

Conclusion

I hope my article on flushing the DNS Cache on your Mac has helped you. I welcome your thoughts, questions or suggestions regarding this article.

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Let me know if you found any errors within my article or if I may further assist you by answering any additional questions you may have.

 

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Apple devices switched to using HEIC formatted photos from JPG back when iOS 11 was released.

Overall, the HEIC format is better than the JPG because it takes up less space but yet provides better quality. But it is only convenient so long as you stay within the Apple ecosystem.

If you also use Windows or Android devices, you’ll want to switch back to JPG format as the default for new photos.

This article will show you how to convert HEIC photos to JPG as well as how to permanently save your photos as JPG on your iPhone.

 

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