
How do I flush DNS cache in Ubuntu 22.04 LTS? - Ask Ubuntu
Jun 2, 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.
networking - How do I clear the DNS cache? - Ask Ubuntu
Ubuntu doesn't cache dns records by default so unless you've installed a dns cache there isn't anything to clear. DNS records are likely cached by your provider's DNS servers so if you want to check if the DNS changes you made were successful you can interrogate a DNS server from your domain hosting service with dig:
how to clear DNS cache in 22.04? - Ask Ubuntu
Apr 25, 2022 · How is the DNS cache cleared in 22.04? The method that worked in 20.04: systemd-resolve --flush-caches no longer works.
How to flush dns in ubuntu 24.10? - Ask Ubuntu
Jan 14, 2025 · In order to clear the DNS cache for the local stub resolver, you simply need to run the following command: resolvectl flush-caches. As an example, first check the Current Cache Size of your DNS cache with resolvectl statistics. Notice that the cache size is 14.
How can I see the systemd-resolve DNS cache? - Ask Ubuntu
Open the text file generated this way in the text editor of your choice and search for CACHE:. After this, the list of cache entries will follow. After this, the list of cache entries will follow. Please note that the text file might contain several lines containing CACHE: .
Ubuntu 22.04: The DNS Cache Problem
Dec 9, 2022 · This is a DNS resolver and DNS Cache. Do not install a second DNS Cache in parallel. Ubuntu Server uses netplan for network configuration (Ubuntu Desktop uses Network Manager). The systemd-resolved.service is configured at boot …
How to flush the DNS cache in Ubuntu 22.04?
How to clear the DNS cache in Ubuntu 22.04? I tried the solution given "for 17.04 and higher" from How do I clear the DNS cache? but it did not work (command not found): {19:58}~ tail -n1 /etc/lsb-release DISTRIB_DESCRIPTION="Ubuntu 22.04 LTS" {19:58}~ sudo systemd-resolve --flush-caches sudo: systemd-resolve: Befehl nicht gefunden
networking - How to clear DNS cache in 18.04 - Ask Ubuntu
Sep 29, 2018 · it should show 0 in Current cache size . DNSSEC supported by current servers: no Transactions Current Transactions: 0 Total Transactions: 93750 Cache Current Cache Size: 0 Cache Hits: 18686 Cache Misses: 28576 DNSSEC Verdicts Secure: 0 Insecure: 0 Bogus: 0 Indeterminate: 0
How do I enable DNS caching in the NetworkManager ... - Ask …
Apr 13, 2017 · Ubuntu Desktop 12.04 uses dnsmasq to perform DNS lookups, but it is not configured to cache these results. (I have checked this by using dig to resolve names and I do not see a large improvement in the response time after the first lookup.) How do I configure the NetworkManager-controlled dnsmasq to cache the results of DNS lookups?
performance - Best way to set up DNS caching? - Ask Ubuntu
Jan 22, 2011 · "In order to speed up DNS lookups, I want to install a DNS cache or proxy." Ok. But there's an easier way, too. Using OpenDNS and/or Google name servers will be faster than your own local cache for names that already exist in the OpenDNS/Google cache