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feat: dns setup and resolve with systemd

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This commit is contained in:
Michele Cereda
2023-09-01 16:58:19 +02:00
parent f6ceb0b793
commit 5d5f317ec6
1 changed files with 19 additions and 1 deletions
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20
knowledge base/systemd.md
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@@ -170,6 +170,16 @@ resolvectl openpgp 'zbyszek@fedoraproject.org'
# Restart the DNS resolver.
sudo systemctl restart 'systemd-resolved.service'
# See the status of the DNS resolver.
systemd-resolve --status
# Resolve hostnames or IP addresses.
systemd-resolve 'google.com'
systemd-resolve '8.8.8.8'
# Set interface-specific DNS server address and search domain.
sudo systemd-resolve -i 'wlp2s0' --set-dns '192.168.1.1' --set-domain 'lan'
```
## User services
@@ -249,7 +259,13 @@ Restarting the `systemd-resolved` service seems to not be enough. Restarting the
### Manually set DNS servers
Set the following lines in the global settings (`/etc/systemd/resolved.conf` or any file in `/etc/systemd/resolved.conf.d/`), or in any network-specific file you want to set DNS servers for (like `/etc/systemd/network/eth0.network`):
Use the handy command:
```sh
sudo systemd-resolve -i 'wlp2s0' --set-dns '192.168.1.1' --set-domain 'lan'
```
or set the following lines in the global settings (`/etc/systemd/resolved.conf` or any file in `/etc/systemd/resolved.conf.d/`), or in any network-specific file you want to set DNS servers for (like `/etc/systemd/network/eth0.network`):
```ini
[Resolve]
@@ -267,12 +283,14 @@ Restart the `systemd-resolved` service to apply the new settings.
- [How to Set Time, Timezone and Synchronize System Clock Using timedatectl Command]
- [How to Set Hostname Using Hostnamectl Command?]
- [Suspend and hibernate]
- [Changing DNS with systemd-resolved]
<!--
References
-->
<!-- Others -->
[changing dns with systemd-resolved]: https://notes.enovision.net/linux/changing-dns-with-resolve
[how to disable systemd-resolved in ubuntu]: https://askubuntu.com/questions/907246/how-to-disable-systemd-resolved-in-ubuntu
[how to set hostname using hostnamectl command?]: https://linuxhint.com/set-hostname-using-hostnamectl-command/
[how to set time, timezone and synchronize system clock using timedatectl command]: https://www.tecmint.com/set-time-timezone-and-synchronize-time-using-timedatectl-command/