Can't connect to internet with ethernet or wifi on Ubuntu 20.04

Pklong

10/28/22, 3:13 PM

I'm very new to the Linux desktop world so apologies if this is a basic question.

I've installed Ubuntu 20.04 on a partition in my PC. Windows can access the internet through ethernet or Wi Fi, no problems.

On Ubuntu, I cannot connect to the internet and don't know how to proceed.

The 01-network-manager-all.yaml file shows

network:

version: 2

renderer: NetworkManager

Command sudo lshw -C network output:

*-network UNCLAIMED description: Ethernet controller product: RTL8125 2.5 GbE Controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:26:00.0 version: 04 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress msix vpd cap_list configuration: latency=0 resources: ioport:f000(size=256) memory:fc700000-fc70ffff memory: fc710000-fc713fff

ip a output:

1: lo: <LOOPBACK, UP, LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000

link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet ::1/128 scope host valid_lft forever preferred_lft forever

lspci -knn | grep Eth -A3 output:

26:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8125 2.5GbE Controller [10ec:8125] (rev 04) Subsystem: Micro-Star International Co., Ltd. [MSI] RTL8125 2.5 GbE Controller [1462:7c84] Kernel modules: r8169

Any help or guidance would be much appreciated. Most advice I see post online has to do with using the internet as a solution which isn't possible since I cannot connect at all.

0 + 3

internet

ethernet

matigo

10/28/22, 3:15 PM

There should be a great deal more to the `lshw` output. Can you [edit] your question to include the full output of `sudo lshw -C network` and `lspci`? This may make it easier to receive some specific advice on how to resolve the issue

Pklong

10/28/22, 3:32 PM

Edited to include the full output. Sorry it's a bit tedious because I'm typing it out by hand, lol.

chili555

10/28/22, 3:51 PM

Possibly helpful: https://askubuntu.com/questions/1259947/cant-get-rtl8125b-working-on-20-04 Welcome to Ask Ubuntu.

Elon Musk

I sit in a Tesla and translated this thread with Ai:

EN: Can't connect to internet with ethernet or wifi on Ubuntu 20.04

TH: ไม่สามารถเชื่อมต่ออินเทอร์เน็ตด้วยอีเธอร์เน็ตหรือ wifi บน Ubuntu 20.04

RO: Nu se poate conecta la internet cu ethernet sau wifi pe Ubuntu 20.04

RU: Не удается подключиться к Интернету через Ethernet или Wi-Fi на Ubuntu 20.04

VI: Không thể kết nối internet bằng ethernet hoặc wifi trên Ubuntu 20.04

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