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| title | aliases | date | lastmod | categories | tags | ||||||
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| Systemd: flushing the DNS cache | /posts/2022-07-04-systemd-flushing-the-dns-cache | 2022-07-04T17:22:48+02:00 | 2022-12-14T16:05:48+01:00 |
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First off I want to say, that Systemd is quite new to me and I always used the old and classic init systems like OpenRC (which is still available on Gentoo -- if someone cares about that more than I do).
Now let's start right away, flushing the DNS cache on a linux box using Systemd is not that complicated, but the correct commands should be known.
And this post is all about that:
$ sudo systemd-resolve --flush-caches
You could also use sudo resolvectl flush-caches if you like or prefer.
Now verify the empty cache:
$ systemd-resolve --statistics
I usually do not need to flush my computers DNS caches, but fiddling with my firewall at home made me use this very often over the last few weeks.