Hi everyone,
I’m having an issue with my network connection. Every time I reboot, I can’t resolve internet addresses. I can access other computers in the local network via hostname and IP address. I can access the internet via IP address, but not using domain names. Restarting the NetworkManager service resolves the issue, but only until I reboot the PC.
I’ve already tried the following steps:
-
Checked /etc/resolv.conf. There is no DNS configured. But since restarting the NetworkManager solves the issue temporarily I don’t think the config is worng.
-
Checked the systemd journal for any errors related to NetworkManager. There were no error messages. I attached it anyway, maybe I missed something.
-
Restarted the NetworkManager service and even reinstalled the package
I’ve found some related post, but they didn’t help:
https://discussion.fedoraproject.org/t/dns-problem-in-fedora-server-due-to-resolvectl/71008
The solution was a kernel update, but this was to years ago.
https://discussion.fedoraproject.org/t/no-dns-after-updating-network-manager/67611
The user has had a wrong DNS config. But since restarting NetworkManager solves the issue without changing any configs, I’m pretty sure, my configs are fine.
I’m not sure what else to try. Do you have any suggestions?
Thanks in advance for your help.
journalctl -u NetworkManager
-- Boot eddc129ba9374f3abda75e2231f23b68 --
Feb 20 09:55:28 pc systemd[1]: Starting NetworkManager.service - Network Manager...
Feb 20 09:55:28 pc NetworkManager[1083]: <info> [1676883328.5521] NetworkManager (version 1.40.10-1.fc37) is starting... (boot:eddc129b-a937-4f3a-bda7-5e2231f23b68)
Feb 20 09:55:28 pc NetworkManager[1083]: <info> [1676883328.5523] Read config: /etc/NetworkManager/NetworkManager.conf (lib: 20-connectivity-fedora.conf) (run: 15-carrier-timeout.conf)
Feb 20 09:55:28 pc NetworkManager[1083]: <info> [1676883328.5530] bus-manager: acquired D-Bus service "org.freedesktop.NetworkManager"
Feb 20 09:55:28 pc systemd[1]: Started NetworkManager.service - Network Manager.
Feb 20 09:55:28 pc NetworkManager[1083]: <info> [1676883328.5542] manager[0x56288c601030]: monitoring kernel firmware directory '/lib/firmware'.
Feb 20 09:55:28 pc NetworkManager[1083]: <info> [1676883328.5796] hostname: hostname: using hostnamed
Feb 20 09:55:28 pc NetworkManager[1083]: <info> [1676883328.5796] hostname: static hostname changed from (none) to "pc"
Feb 20 09:55:28 pc NetworkManager[1083]: <info> [1676883328.5798] dns-mgr: init: dns=systemd-resolved rc-manager=unmanaged (auto), plugin=systemd-resolved
Feb 20 09:55:28 pc NetworkManager[1083]: <info> [1676883328.5826] manager[0x56288c601030]: rfkill: Wi-Fi hardware radio set enabled
Feb 20 09:55:28 pc NetworkManager[1083]: <info> [1676883328.5826] manager[0x56288c601030]: rfkill: WWAN hardware radio set enabled
Feb 20 09:55:28 pc NetworkManager[1083]: <info> [1676883328.5861] Loaded device plugin: NMBluezManager (/usr/lib64/NetworkManager/1.40.10-1.fc37/libnm-device-plugin-bluetooth.so)
Feb 20 09:55:28 pc NetworkManager[1083]: <info> [1676883328.5866] Loaded device plugin: NMAtmManager (/usr/lib64/NetworkManager/1.40.10-1.fc37/libnm-device-plugin-adsl.so)
Feb 20 09:55:28 pc NetworkManager[1083]: <info> [1676883328.5877] Loaded device plugin: NMTeamFactory (/usr/lib64/NetworkManager/1.40.10-1.fc37/libnm-device-plugin-team.so)
Feb 20 09:55:28 pc NetworkManager[1083]: <info> [1676883328.5885] Loaded device plugin: NMWifiFactory (/usr/lib64/NetworkManager/1.40.10-1.fc37/libnm-device-plugin-wifi.so)
Feb 20 09:55:28 pc NetworkManager[1083]: <info> [1676883328.5888] Loaded device plugin: NMWwanFactory (/usr/lib64/NetworkManager/1.40.10-1.fc37/libnm-device-plugin-wwan.so)
Feb 20 09:55:28 pc NetworkManager[1083]: <info> [1676883328.5889] manager: rfkill: Wi-Fi enabled by radio killswitch; enabled by state file
Feb 20 09:55:28 pc NetworkManager[1083]: <info> [1676883328.5889] manager: rfkill: WWAN enabled by radio killswitch; enabled by state file
Feb 20 09:55:28 pc NetworkManager[1083]: <info> [1676883328.5890] manager: Networking is enabled by state file
Feb 20 09:55:28 pc NetworkManager[1083]: <info> [1676883328.5892] settings: Loaded settings plugin: keyfile (internal)
Feb 20 09:55:28 pc NetworkManager[1083]: <info> [1676883328.5899] dhcp: init: Using DHCP client 'internal'
Feb 20 09:55:28 pc NetworkManager[1083]: <info> [1676883328.5899] device (lo): carrier: link connected
Feb 20 09:55:28 pc NetworkManager[1083]: <info> [1676883328.5901] manager: (lo): new Generic device (/org/freedesktop/NetworkManager/Devices/1)
Feb 20 09:55:28 pc NetworkManager[1083]: <info> [1676883328.5905] manager: (enp4s0): new Ethernet device (/org/freedesktop/NetworkManager/Devices/2)
Feb 20 09:55:28 pc NetworkManager[1083]: <info> [1676883328.5907] device (enp4s0): state change: unmanaged -> unavailable (reason 'managed', sys-iface-state: 'external')
Feb 20 09:55:28 pc NetworkManager[1083]: <info> [1676883328.7738] modem-manager: ModemManager available
Feb 20 09:55:32 pc NetworkManager[1083]: <info> [1676883332.3707] device (enp4s0): carrier: link connected
Feb 20 09:55:32 pc NetworkManager[1083]: <info> [1676883332.3710] device (enp4s0): state change: unavailable -> disconnected (reason 'carrier-changed', sys-iface-state: 'managed')
Feb 20 09:55:32 pc NetworkManager[1083]: <info> [1676883332.3715] policy: auto-activating connection 'Profil 1' (16c79651-3a1b-429e-aacf-822277a616b3)
Feb 20 09:55:32 pc NetworkManager[1083]: <info> [1676883332.3719] device (enp4s0): Activation: starting connection 'Profil 1' (16c79651-3a1b-429e-aacf-822277a616b3)
Feb 20 09:55:32 pc NetworkManager[1083]: <info> [1676883332.3720] device (enp4s0): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed')
Feb 20 09:55:32 pc NetworkManager[1083]: <info> [1676883332.3721] manager: NetworkManager state is now CONNECTING
Feb 20 09:55:32 pc NetworkManager[1083]: <info> [1676883332.3722] device (enp4s0): state change: prepare -> config (reason 'none', sys-iface-state: 'managed')
Feb 20 09:55:32 pc NetworkManager[1083]: <info> [1676883332.3973] device (enp4s0): state change: config -> ip-config (reason 'none', sys-iface-state: 'managed')
Feb 20 09:55:32 pc NetworkManager[1083]: <info> [1676883332.3977] dhcp4 (enp4s0): activation: beginning transaction (timeout in 45 seconds)
Feb 20 09:55:32 pc NetworkManager[1083]: <info> [1676883332.4422] dhcp4 (enp4s0): state changed new lease, address=192.168.0.6
Feb 20 09:55:32 pc NetworkManager[1083]: <info> [1676883332.4424] policy: set 'Profil 1' (enp4s0) as default for IPv4 routing and DNS
Feb 20 09:55:32 pc NetworkManager[1083]: <info> [1676883332.4606] device (enp4s0): state change: ip-config -> ip-check (reason 'none', sys-iface-state: 'managed')
Feb 20 09:55:32 pc NetworkManager[1083]: <info> [1676883332.4612] device (enp4s0): state change: ip-check -> secondaries (reason 'none', sys-iface-state: 'managed')
Feb 20 09:55:32 pc NetworkManager[1083]: <info> [1676883332.4613] device (enp4s0): state change: secondaries -> activated (reason 'none', sys-iface-state: 'managed')
Feb 20 09:55:32 pc NetworkManager[1083]: <info> [1676883332.4614] manager: NetworkManager state is now CONNECTED_SITE
Feb 20 09:55:32 pc NetworkManager[1083]: <info> [1676883332.4615] device (enp4s0): Activation: successful, device activated.
Feb 20 09:55:32 pc NetworkManager[1083]: <info> [1676883332.4617] manager: startup complete
Feb 20 09:55:33 pc NetworkManager[1083]: <info> [1676883333.8935] agent-manager: agent[f7888fa8b584d4f5,:1.33/org.gnome.Shell.NetworkAgent/42]: agent registered
Feb 20 09:55:33 pc NetworkManager[1083]: <info> [1676883333.9703] dhcp6 (enp4s0): activation: beginning transaction (timeout in 45 seconds)
Feb 20 09:55:33 pc NetworkManager[1083]: <info> [1676883333.9707] policy: set 'Profil 1' (enp4s0) as default for IPv6 routing and DNS
Feb 20 09:55:33 pc NetworkManager[1083]: <info> [1676883333.9933] dhcp6 (enp4s0): state changed new lease
Feb 20 09:56:33 pc NetworkManager[1083]: <info> [1676883393.0755] agent-manager: agent[09e05382aa2704ff,:1.81/org.gnome.Shell.NetworkAgent/1000]: agent registered
Feb 20 10:14:55 pc systemd[1]: Stopping NetworkManager.service - Network Manager...
Feb 20 10:14:55 pc NetworkManager[1083]: <info> [1676884495.2605] caught SIGTERM, shutting down normally.
Feb 20 10:14:55 pc NetworkManager[1083]: <info> [1676884495.2693] dhcp4 (enp4s0): canceled DHCP transaction
Feb 20 10:14:55 pc NetworkManager[1083]: <info> [1676884495.2693] dhcp4 (enp4s0): activation: beginning transaction (timeout in 45 seconds)
Feb 20 10:14:55 pc NetworkManager[1083]: <info> [1676884495.2693] dhcp4 (enp4s0): state changed no lease
Feb 20 10:14:55 pc NetworkManager[1083]: <info> [1676884495.2694] dhcp6 (enp4s0): canceled DHCP transaction
Feb 20 10:14:55 pc NetworkManager[1083]: <info> [1676884495.2694] dhcp6 (enp4s0): activation: beginning transaction (timeout in 45 seconds)
Feb 20 10:14:55 pc NetworkManager[1083]: <info> [1676884495.2694] dhcp6 (enp4s0): state changed no lease
Feb 20 10:14:55 pc NetworkManager[1083]: <info> [1676884495.2726] exiting (success)
Feb 20 10:14:55 pc systemd[1]: NetworkManager.service: Deactivated successfully.
Feb 20 10:14:55 pc systemd[1]: Stopped NetworkManager.service - Network Manager.
Feb 20 10:14:55 pc systemd[1]: Starting NetworkManager.service - Network Manager...
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3156] NetworkManager (version 1.40.10-1.fc37) is starting... (after a restart, boot:eddc129b-a937-4f3a-bda7-5e2231f23b68)
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3156] Read config: /etc/NetworkManager/NetworkManager.conf (lib: 20-connectivity-fedora.conf) (run: 15-carrier-timeout.conf)
Feb 20 10:14:55 pc systemd[1]: Started NetworkManager.service - Network Manager.
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3162] bus-manager: acquired D-Bus service "org.freedesktop.NetworkManager"
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3175] manager[0x556430af6050]: monitoring kernel firmware directory '/lib/firmware'.
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3428] hostname: hostname: using hostnamed
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3428] hostname: static hostname changed from (none) to "pc"
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3430] dns-mgr: init: dns=systemd-resolved rc-manager=unmanaged (auto), plugin=systemd-resolved
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3432] manager[0x556430af6050]: rfkill: Wi-Fi hardware radio set enabled
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3432] manager[0x556430af6050]: rfkill: WWAN hardware radio set enabled
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3446] Loaded device plugin: NMBluezManager (/usr/lib64/NetworkManager/1.40.10-1.fc37/libnm-device-plugin-bluetooth.so)
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3447] Loaded device plugin: NMAtmManager (/usr/lib64/NetworkManager/1.40.10-1.fc37/libnm-device-plugin-adsl.so)
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3451] Loaded device plugin: NMTeamFactory (/usr/lib64/NetworkManager/1.40.10-1.fc37/libnm-device-plugin-team.so)
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3453] Loaded device plugin: NMWifiFactory (/usr/lib64/NetworkManager/1.40.10-1.fc37/libnm-device-plugin-wifi.so)
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3454] Loaded device plugin: NMWwanFactory (/usr/lib64/NetworkManager/1.40.10-1.fc37/libnm-device-plugin-wwan.so)
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3455] manager: rfkill: Wi-Fi enabled by radio killswitch; enabled by state file
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3455] manager: rfkill: WWAN enabled by radio killswitch; enabled by state file
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3456] manager: Networking is enabled by state file
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3457] settings: Loaded settings plugin: keyfile (internal)
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3466] dhcp: init: Using DHCP client 'internal'
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3466] device (lo): carrier: link connected
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3467] manager: (lo): new Generic device (/org/freedesktop/NetworkManager/Devices/1)
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3471] device (enp4s0): carrier: link connected
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3473] manager: (enp4s0): new Ethernet device (/org/freedesktop/NetworkManager/Devices/2)
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3476] manager: (enp4s0): assume: will attempt to assume matching connection 'Profil 1' (16c79651-3a1b-429e-aacf-822277a616b3) (indicated)
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3476] device (enp4s0): state change: unmanaged -> unavailable (reason 'connection-assumed', sys-iface-state: 'assume')
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3480] device (enp4s0): state change: unavailable -> disconnected (reason 'connection-assumed', sys-iface-state: 'assume')
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3485] device (enp4s0): Activation: starting connection 'Profil 1' (16c79651-3a1b-429e-aacf-822277a616b3)
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3513] modem-manager: ModemManager available
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3514] device (enp4s0): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'assume')
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3515] device (enp4s0): state change: prepare -> config (reason 'none', sys-iface-state: 'assume')
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.3665] agent-manager: agent[ee04a1f8eeddf5c6,:1.81/org.gnome.Shell.NetworkAgent/1000]: agent registered
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.4790] device (enp4s0): state change: config -> ip-config (reason 'none', sys-iface-state: 'assume')
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.4793] dhcp4 (enp4s0): activation: beginning transaction (timeout in 45 seconds)
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.5202] dhcp4 (enp4s0): state changed new lease, address=192.168.0.6
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.5204] policy: set 'Profil 1' (enp4s0) as default for IPv4 routing and DNS
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.5667] device (enp4s0): state change: ip-config -> ip-check (reason 'none', sys-iface-state: 'assume')
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.5674] device (enp4s0): state change: ip-check -> secondaries (reason 'none', sys-iface-state: 'assume')
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.5674] device (enp4s0): state change: secondaries -> activated (reason 'none', sys-iface-state: 'assume')
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.5676] manager: NetworkManager state is now CONNECTED_SITE
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.5677] device (enp4s0): Activation: successful, device activated.
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.5679] manager: startup complete
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.6415] dhcp6 (enp4s0): activation: beginning transaction (timeout in 45 seconds)
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.6418] policy: set 'Profil 1' (enp4s0) as default for IPv6 routing and DNS
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.8092] dhcp6 (enp4s0): state changed new lease
Feb 20 10:14:55 pc NetworkManager[4105]: <info> [1676884495.8374] manager: NetworkManager state is now CONNECTED_GLOBAL
nmcli
enp4s0: verbunden to Profil 1
"Realtek RTL8111/8168/8411"
ethernet (r8169), D8:5E:D3:A4:4A:E8, hw, mtu 1500
ip4-Vorgabe, ip6-Vorgabe
inet4 192.168.0.6/24
route4 192.168.0.0/24 metric 100
route4 default via 192.168.0.1 metric 20100
inet6 2001:4dd2:5581:0:60a:a970:ea42:a89f/64
inet6 fe80::683b:475c:ea8f:ee96/64
route6 fe80::/64 metric 1024
route6 2001:4dd2:5581::/64 metric 100
route6 default via fe80::2e99:24ff:fe85:2840 metric 20100
lo: nicht verwaltet
"lo"
loopback (unknown), 00:00:00:00:00:00, sw, mtu 65536
DNS configuration:
servers: 81.173.194.68 213.168.112.60
interface: enp4s0
servers: 2001:4dd0:100:1020:53:2:0:1 2001:4dd0:100:4220:53:2:0:4
interface: enp4s0
/etc/resolv.conf
nameserver 127.0.0.53
options edns0 trust-ad
search .
uname -r
6.1.11-200.fc37.x86_64