Here is how to flush the DNS cache in Linux: Open your Terminal. Restart the name service cache daemon by executing this command: sudo /etc/init.d/nscd restart. There are some cases when the nscd daemon might not be installed. In Ubuntu (and other Debian-based distros) you can install it from your Terminal by executing this command: apt-get

Flushing DNS Cache on Ubuntu 16.04: On Ubuntu 16.04 LTS, DNS cache is not enabled by default. But some applications like bind, dnsmasq, nscd etc. may cache it.. If you’re using nscd for caching DNS queries, then you can flush the DNS cache by simply restarting the nscd service.. You can restart the nscd service on Ubuntu 16.04 LTS to flush DNS caches with the following command: How to Flush DNS on Linux [4 Different Methods] - TechOwns Mar 10, 2020 How to flush DNS on Ubuntu and CentOS | FOSS Linux

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