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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Linux DNS settings is a total mess (lemdro.id)

submitted 1 year ago by [email protected] to c/[email protected]

68 comments fedilink hide all child comments

I recently tried to enable system-wide DNS over https on Fedora. To do so I had to to some research and found out how comfusing it is for the average user (and even experienced users) to change the settings. In fact there are multiple backends messing with system DNS at the same time.

Most major Linux distributions use systemd-resolved for DNS but there is no utility for changing its configuration.

The average user would still try to change DNS settings by editing /etc/relov.conf (which is overwritten and will not survive reboots) or changing settings in Network Manager.

Based on documentation of systemd-resolved, the standard way of adding custom DNS servers is putting so-called 'drop-in' files in /etc/systemd/resolved.conf.d directory, especially when you want to use DNS-over-TLS or DNS-over-https.

Modern browsers use their buit-in DNS settings which adds to the confusion.

I think this is one area that Linux needs more work and more standardization.

How do you think it should be fixed?

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[–] [email protected] 15 points 1 year ago (2 children)

My two cents: Yes, it's bad. The biggest hurdle to people not "intimately familiar" with their distro is A) what it's using for DNS configuration and B) realizing that there are so many different ways in different distributions, and sometimes within one distribution, that you have to be very careful what googled results you follow. That many browsers do their own thing doesn't help. I think the best way to solve it would be some desktop level abstraction like PackageKit where it doesn't really matter what services does the resolving under the hood.

[–] [email protected] 12 points 1 year ago

Xkcd “standards”

https://xkcd.com/927/

[–] [email protected] 2 points 1 year ago

Totally agree. There should be only one place for setting the system-wide DNS.