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I used the following command to flush the dns cache on my 12.10 ubuntu box and it worked fantastic. sudo kill -HUP $(pgrep dnsmasq) Another helpful signal is the SIGUSR1 which dump a little statistic to syslog or as it is note from man dnsmasq :
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how to flush dns of Ubuntu 12.04 LTS (GNU/Linux...
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10 Οκτ 2023 · You can flush the DNS cache on a systemd-based Linux computer with the "resolvectl flush-caches" command. If you use dnsmasq, you can clear the DNS using "sudo killall -HUP dnsmasq" instead.
9 Ιαν 2021 · The easiest way to flush the DNS on Linux, if you are using systemd-resolved, is to use the “systemd-resolve” command followed by “–flush-caches”. Alternatively, you can use the “resolvectl” command followed by the “flush-caches” option.
25 Ιουλ 2024 · Clearing the DNS cache in Linux can resolve a variety of network issues and ensure that your system is working with the latest DNS information. By following the steps outlined in this guide, you can easily flush the DNS cache on your Linux machine.
9 Απρ 2023 · In this article, we provided a step-by-step guide on how to flush the DNS cache in Ubuntu and Linux Mint for various caching DNS resolvers like systemd-resolved, dnsmasq, and BIND. Additionally, we discussed how to clear the DNS cache in popular web browsers.
19 Σεπ 2024 · In Linux, there are several commonly used DNS caching services. Specifically, systemd-resolved, dnsmasq, and bind9 are some of the most popular services providing local DNS resolution and caches. In the following section, we’ll look at the different DNS caching services and how to clear the caches. 3.
3 Φεβ 2024 · Key Takeaways. Flushing the DNS cache on Ubuntu with "resolvectl flush-caches" can help troubleshoot connectivity issues and improve network performance. DNS caching reduces the time it takes to return DNS requests, but outdated or corrupt entries will cause problems.