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Ubuntu 12.04 uses dnsmasq which is built into network-manager, but it doesn't cache dns so there is no need to flush it. Here is a sample line from my syslog to prove that point: dnsmasq[2980]: started, version 2.59 cache disabled. There is also no need for any configuration of dnsmasq.
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how to flush dns of Ubuntu 12.04 LTS (GNU/Linux...
- how to clear DNS cache in 22.04? - Ask Ubuntu
How is the DNS cache cleared in 22.04? The method that...
- How do I flush DNS cache in Ubuntu 22.04 LTS? - Ask Ubuntu
An apt-cache search systemd-resolve shows that it is in the...
- Hot Linked Questions - Ask Ubuntu
3 Φεβ 2024 · 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 DNS caching reduces the time it takes to return DNS requests, but outdated or corrupt entries will cause problems.
25 Απρ 2022 · How is the DNS cache cleared in 22.04? The method that worked in 20.04: systemd-resolve --flush-caches no longer works.
10 Οκτ 2023 · Key Takeaways. 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. Is your internet browsing experience slow on your Linux device, or are the websites you're visiting outdated or the wrong website altogether?
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.
2 Ιουν 2022 · An apt-cache search systemd-resolve shows that it is in the resolvconf-admin package, but when I tried installing that package it did not install systemd-resolve. 22.04 comes with resolvectl instead. You can use the following command to flush your caches: sudo resolvectl flush-caches. Hope this helps!
5 Σεπ 2024 · How to Flush DNS on Linux. If you’re using a Linux distro such as Ubuntu, here’s how to flush the DNS cache: Open the terminal by pressing Ctrl + Alt + T or searching for “Terminal” in the Activities menu. Run the following command: If you are running Ubuntu 20.04 LTS or older, use: sudo systemd-resolve --flush-caches.