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Disable Local DNS Caching on Ubuntu and LinuxMint Flush DNS Cache on Windows and MacOS Flush DNS CacheExecute the below command to Flush DNS cache on your Ubuntu and Linux Mint systems.

Why You need to flush DNS cache?

Sometimes, the websites moved to other servers or simply changes there IP address for some reasons. Now the responsibility of DNS to resolve the new IP address to allow uninterpreted access of websites. Our systems keep a cache of DNS records, which allows for faster resolution of IP address. After changing of IP address of any domain, it takes time to update local cache. In the meantime, you may get a broken page error. In this situation, You need to flush the local DNS cache. Now the question is How to Flush the DNS Cache in Ubuntu and Linux Mint? and I Hope this article helped you to do this.