A while ago, I messed with my DNS settings following various different guides (my goal was to get DNS-over-TLS working correctly). I might have disabled some things that are necessary for DNS inside a toolbox. My DNS works just fine from a normal Silverblue shell, but fails to do dnf upgrades, Curl, or ssh inside a toolbox. I’m wondering if I can reset my DNS settings back to the way they were when installed without having to reinstall my whole system. Below is my resolv.conf
# This file is managed by man:systemd-resolved(8). Do not edit.
#
# This is a dynamic resolv.conf file for connecting local clients to the
# internal DNS stub resolver of systemd-resolved. This file lists all
# configured search domains.
#
# Run "resolvectl status" to see details about the uplink DNS servers
# currently in use.
#
# Third party programs must not access this file directly, but only through the
# symlink at /etc/resolv.conf. To manage man:resolv.conf(5) in a different way,
# replace this symlink by a static file or a different symlink.
#
# See man:systemd-resolved.service(8) for details about the supported modes of
# operation for /etc/resolv.conf.
nameserver 127.0.0.53
options edns0
search 1dot1dot1dot1.cloudflare-dns.com localdomain
Inside the toolbox, I can run $ resolvectl status | grep -1 ‘DNS Server’ and I get:
$ resolvectl status | grep -1 'DNS Server'
DNSSEC supported: no
Current DNS Server: 1.1.1.1
DNS Servers: 1.1.1.1
1.0.0.1
Fallback DNS Servers: 1.1.1.1
8.8.8.8
--
DNSSEC supported: no
Current DNS Server: 192.168.1.1
DNS Servers: 192.168.1.1
DNS Domain: ~.
But when I run sudo dnf update -v inside the toolbox I get this
Loaded plugins: builddep, changelog, config-manager, copr, debug, debuginfo-install, download, generate_completion_cache, needs-restarting, playground, repoclosure, repodiff, repograph, repomanage, reposync
DNF version: 4.2.9
cachedir: /var/cache/dnf
Unknown configuration value: failovermethod=priority in /etc/yum.repos.d/fedora-updates-modular.repo; Configuration: OptionBinding with id "failovermethod" does not exist
Unknown configuration value: failovermethod=priority in /etc/yum.repos.d/fedora-updates-modular.repo; Configuration: OptionBinding with id "failovermethod" does not exist
Unknown configuration value: failovermethod=priority in /etc/yum.repos.d/fedora-updates-modular.repo; Configuration: OptionBinding with id "failovermethod" does not exist
repo: downloading from remote: fedora-modular
error: Curl error (6): Couldn't resolve host name for https://mirrors.fedoraproject.org/metalink?repo=fedora-modular-31&arch=x86_64 [Could not resolve host: mirrors.fedoraproject.org] (https://mirrors.fedoraproject.org/metalink?repo=fedora-modular-31&arch=x86_64).
error: Curl error (6): Couldn't resolve host name for https://mirrors.fedoraproject.org/metalink?repo=fedora-modular-31&arch=x86_64 [Could not resolve host: mirrors.fedoraproject.org] (https://mirrors.fedoraproject.org/metalink?repo=fedora-modular-31&arch=x86_64).
error: Curl error (6): Couldn't resolve host name for https://mirrors.fedoraproject.org/metalink?repo=fedora-modular-31&arch=x86_64 [Could not resolve host: mirrors.fedoraproject.org] (https://mirrors.fedoraproject.org/metalink?repo=fedora-modular-31&arch=x86_64).
error: Curl error (6): Couldn't resolve host name for https://mirrors.fedoraproject.org/metalink?repo=fedora-modular-31&arch=x86_64 [Could not resolve host: mirrors.fedoraproject.org] (https://mirrors.fedoraproject.org/metalink?repo=fedora-modular-31&arch=x86_64).
Fedora Modular 31 - x86_64 0.0 B/s | 0 B 00:00
Cannot download 'https://mirrors.fedoraproject.org/metalink?repo=fedora-modular-31&arch=x86_64': Cannot prepare internal mirrorlist: Curl error (6): Couldn't resolve host name for https://mirrors.fedoraproject.org/metalink?repo=fedora-modular-31&arch=x86_64 [Could not resolve host: mirrors.fedoraproject.org].
Failed to download metadata for repo 'fedora-modular'
Error: Failed to download metadata for repo 'fedora-modular'
Any advice on how to approach this issue?
Thanks.