4. dns issues after fresh install

  • dns issues after fresh install

    i can ping to 8.8.8.8 or 9.9.9.9 and other ips(using the ping the ping command) but i can not ping to urls, i have tried multiple DNS servers in /etc/resolv.conf and nothing works i assuming

    [[email protected] ~]$ nmcli
enp3s0: connected to enp3s0
        "Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller"
        ethernet (r8169), 54:EE:75:C1:1A:D3, hw, mtu 1500
        inet4 192.168.1.2/24
        inet4 147.27.4.83/24
        route4 0.0.0.0/0
        route4 0.0.0.0/0
        route4 147.27.4.0/24
        route4 192.168.1.0/24
        route4 192.168.1.1/32
        inet6 fe80::56ee:75ff:fec1:1ad3/64
        route6 fe80::/64
        route6 ::/0
        route6 ff00::/8

wlp2s0: disconnected
        "Intel Dual Band Wireless-AC 3165 Plus Bluetooth"
        1 connection available
        wifi (iwlwifi), 6E:27:06:87:6F:1B, hw, mtu 1500

lo: unmanaged
        "lo"
        loopback (unknown), 00:00:00:00:00:00, sw, mtu 65536

DNS configuration:
        servers: 192.168.1.1
        interface: enp3s0

Use "nmcli device show" to get complete information about known devices and
"nmcli connection show" to get an overview on active connection profiles.

Consult nmcli(1) and nmcli-examples(5) manual pages for complete usage details.
[[email protected] ~]$ cat /etc/resolv.conf
nameserver 147.27.18.1

    update: i tried and wireless appears to be working just fine but wired does not
    update: i have been able to add a new dns server but not been able to remove 192.168.1.1

    [[email protected] ~]$ nmcli
enp3s0: connected to enp3s0
        "Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller"
        ethernet (r8169), 54:EE:75:C1:1A:D3, hw, mtu 1500
        ip4 default, ip6 default
        inet4 147.27.4.83/24
        inet4 192.168.1.2/24
        route4 0.0.0.0/0
        route4 0.0.0.0/0
        route4 147.27.4.0/24
        route4 192.168.1.0/24
        route4 192.168.1.1/32
        route4 192.168.1.0/24
        route4 147.27.4.0/24
        route4 0.0.0.0/0
        inet6 fe80::56ee:75ff:fec1:1ad3/64
        route6 ::/0
        route6 ff00::/8
        route6 fe80::/64
        route6 fe80::/64

wlp2s0: disconnected
        "Intel Dual Band Wireless-AC 3165 Plus Bluetooth"
        1 connection available
        wifi (iwlwifi), DE:BB:F6:76:02:1E, hw, mtu 1500

lo: unmanaged
        "lo"
        loopback (unknown), 00:00:00:00:00:00, sw, mtu 65536

DNS configuration:
        servers: 192.168.1.1 147.27.18.1
        interface: enp3s0

Use "nmcli device show" to get complete information about known devices and
"nmcli connection show" to get an overview on active connection profiles.

Consult nmcli(1) and nmcli-examples(5) manual pages for complete usage details.
[[email protected] ~]$ ping www.google.com
ping: www.google.com: Name or service not known
    | , last edited by master_andreas

  • mostly your router will be the place to configure DNS Server, and locally you will need to have dNS set to routers ip.
    Or do i misunderstanding your setup?

    |

  • @joekamprad said in dns issues after fresh install:

    mostly your router will be the place to configure DNS Server, and locally you will need to have dNS set to routers ip.

    my router’s dns server are 147.27.18.1 and 147.27.13.1 (provided by ISP) when i set them in /etc/resolv.conf it just works in ubuntu or manjaro but here for some reason it insists on using a DNS server that i did not set

    |

  • depending on your external internet setup you will be connectet to a router, and the router is connected to modem what is providing the internet line… If your Router is providing DNS server setup and is set to use ISP-DNS you need to setup the IP of your Router as the DNS Server, and if router is able to change DNS Server settings you an change it there.

    |

  • do not knwo if this helps from a lubuntu live-iso (after configuring it)

    [email protected]:~$ nmcli
enp3s0: connected to Wired connection 1
	"Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller"
	ethernet (r8169), 54:EE:75:C1:1A:D3, hw, mtu 1500
	ip4 default, ip6 default
	inet4 192.168.1.2/24
	inet4 147.27.4.83/24
	inet6 fe80::4092:b306:d414:f44a/64
	route6 fe80::1/128

wlp2s0: disconnected
	"Intel Dual Band Wireless-AC 3165 Plus Bluetooth"
	wifi (iwlwifi), 98:54:1B:BF:15:D0, hw, mtu 1500

lo: unmanaged
	"lo"
	loopback (unknown), 00:00:00:00:00:00, sw, mtu 65536

DNS configuration:
	servers: 192.168.1.1
	interface: enp3s0

Use "nmcli device show" to get complete information about known devices and
"nmcli connection show" to get an overview on active connection profiles.

Consult nmcli(1) and nmcli-examples(5) manual pages for complete usage details.


    [email protected]:~$ cat /etc/resolv.conf 
nameserver 147.27.18.1

    dns server is set to 192.168.1.1 and it works fine

    btw this is what i use to configure it

    sudo ip addr add 147.27.4.83/255.255.255.0 broadcast 147.27.4.255 dev enp3s0
sudo ip route add default via 147.27.4.254
(then set the dns server in /etc/resolv.conf with vim)

    edit: i just retested the antergos live iso and it works fine after configuring it so i am guessing i am missing a package (might be wrong thought)

    | , last edited by master_andreas

  • @master_andreas

    ubuntu:

    DNS configuration:
	servers: 192.168.1.1

    Antergos:

    DNS configuration:
        servers: 192.168.1.1 147.27.18.1

    so it looks like that ubuntu is only ignoring if you set up another dns server on the pc…

    |

  • @joekamprad said in dns issues after fresh install:

    so it looks like that ubuntu is only ignoring if you set up another dns server on the pc…

    yes but it works on ubuntu, i have no idea what is happening how could it work on a live iso and not in the installed system am i missing a package?

    | , last edited by master_andreas

  • depending on the ISO it has an older version of network-manager installed?
    and i do not understand why you want to change DNS Server at your PC?
    If this settings are ignored or will end up in no DNS resolution?

    | , last edited by joekamprad

  • @joekamprad said in dns issues after fresh install:

    depending on the ISO it has an older version of network-manager installed?

    i have used latest iso and have updated to the latest version (wifi works just fine )

    @joekamprad said in dns issues after fresh install:

    and i do not understand hy you want to change DNS Server at your PC?

    i am assuming that the reason i cant reach any url is a dns related issue could be wrong thought (i do not know much about networking)

    |

  • You can try disable ipv6 in network settings to if this is helping.

    |

  • update i have tried 18.2 iso both minimal and normal and after base install it did not work again i have removed antergos from my PC for now i will try later installing antergos but a non-base version to see if it is a missing package

    |
issues85 fresh35 network14 dns5 • Posts 11 • Views 598
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