我最近升级到了 22.04。Wifi 运行良好，以太网则不行。
以下是结果network-test
INFO: This system has exactly one default route
INFO: Host localhost answers to ICMP pings
INFO: Loopback interface is working properly
INFO: The eno2 interface is up
WARN: The eno2 interface does not have an IP address assigned
WARN: The eno2 interface has not received any packets.
INFO: The wlo1 interface is up
INFO: The wlo1 interface has IP address 192.168.1.87 assigned
INFO: The wlo1 interface has tx and rx packets.
INFO: The router 192.168.1.1 is reachable
INFO: This system is configured to use nameserver 127.0.0.53
INFO: Host 127.0.0.53 answers to ICMP pings
INFO: Dns server 127.0.0.53 resolved correctly www.debian.org
INFO: The nameserver configured for this system works properly
INFO: System can reach Internet host www.debian.org
INFO: System can access web server at Internet host www.debian.org (port 80)
以下是结果lshw -c network
*-network:1
description: Ethernet interface
product: Ethernet Connection (7) I219-V
vendor: Intel Corporation
physical id: 1f.6
bus info: pci@0000:00:1f.6
logical name: eno2
version: 10
serial: 3c:7c:3f:d8:99:1d
size: 1Gbit/s
capacity: 1Gbit/s
width: 32 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=5.15.0-33-generic duplex=full firmware=0.5-4 latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s
resources: irq:128 memory:91200000-9121ffff
以下是结果ifconfig -a
eno2: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet6 fe80::ca90:e249:8955:baf4 prefixlen 64 scopeid 0x20<link>
ether 3c:7c:3f:d8:99:1d txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 1133 bytes 190976 (190.9 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 16 memory 0x91200000-91220000
显然，有线连接没有分配 IP（我尝试手动分配一个，但仍然没有收到数据包）。但是，我猜这通常是“开箱即用”的。任何关于哪些信息可能有帮助/我应该尝试修复这个问题的提示都非常感激。
为了完整起见：
lshw -short
H/W path Device Class Description
===========================================================
system System Product Name (ASUS_MB_CNL)
/0 bus TUF Z390-PLUS GAMING (WI-FI)
/0/0 memory 64KiB BIOS
/0/43 memory 64GiB System Memory
/0/43/0 memory Project-Id-Version: lshwReport-Msgid-Bugs-To: FULL NAME <EMAIL@ADDRESS>PO-Revision-Date: 2012-02-05 00:26+0000Last-Translator: Andi Chandler <Unknown>Language-Team
/0/43/1 memory 32GiB DIMM DDR4 Synchronous 3200 MHz (0.3 ns)
/0/43/2 memory Project-Id-Version: lshwReport-Msgid-Bugs-To: FULL NAME <EMAIL@ADDRESS>PO-Revision-Date: 2012-02-05 00:26+0000Last-Translator: Andi Chandler <Unknown>Language-Team
/0/43/3 memory 32GiB DIMM DDR4 Synchronous 3200 MHz (0.3 ns)
/0/4e memory 384KiB L1 cache
/0/4f memory 1536KiB L2 cache
/0/50 memory 9MiB L3 cache
/0/51 processor Intel(R) Core(TM) i5-9600K CPU @ 3.70GHz
/0/100 bridge 8th Gen Core Processor Host Bridge/DRAM Registers
/0/100/1 bridge 6th-10th Gen Core Processor PCIe Controller (x16)
/0/100/1/0 display TU106 [GeForce RTX 2060 Rev. A]
/0/100/1/0.1 card1 multimedia TU106 High Definition Audio Controller
/0/100/1/0.1/0 input19 input HDA NVidia HDMI/DP,pcm=3
/0/100/1/0.1/1 input20 input HDA NVidia HDMI/DP,pcm=7
/0/100/1/0.1/2 input21 input HDA NVidia HDMI/DP,pcm=8
/0/100/1/0.1/3 input22 input HDA NVidia HDMI/DP,pcm=9
/0/100/1/0.1/4 input23 input HDA NVidia HDMI/DP,pcm=10
/0/100/1/0.1/5 input24 input HDA NVidia HDMI/DP,pcm=11
/0/100/1/0.1/6 input25 input HDA NVidia HDMI/DP,pcm=12
/0/100/1/0.2 bus TU106 USB 3.1 Host Controller
/0/100/1/0.2/0 usb3 bus xHCI Host Controller
/0/100/1/0.2/1 usb4 bus xHCI Host Controller
/0/100/1/0.3 bus TU106 USB Type-C UCSI Controller
/0/100/14 bus Cannon Lake PCH USB 3.1 xHCI Host Controller
/0/100/14/0 usb1 bus xHCI Host Controller
/0/100/14/0/5 generic BCM20702A0
/0/100/14/0/6 input USB Receiver
/0/100/14/0/6/0 input16 input Logitech M310
/0/100/14/0/6/1 input17 input Logitech K520
/0/100/14/0/e communication Bluetooth 9460/9560 Jefferson Peak (JfP)
/0/100/14/1 usb2 bus xHCI Host Controller
/0/100/14.2 memory RAM memory
/0/100/14.3 wlo1 network Cannon Lake PCH CNVi WiFi
/0/100/16 communication Cannon Lake PCH HECI Controller
/0/100/17 scsi2 storage Cannon Lake PCH SATA AHCI Controller
/0/100/17/0 /dev/sda disk 2TB WDC WD20EARX-00P
/0/100/17/0/1 /dev/sda1 volume 1846GiB EXT4 volume
/0/100/17/0/2 /dev/sda2 volume 16GiB Linux swap volume
/0/100/17/1 /dev/sdb disk 64GB ADATA SP900
/0/100/17/1/1 /dev/sdb1 volume 19GiB Extended partition
/0/100/17/1/1/5 /dev/sdb5 volume 19GiB EXT4 volume
/0/100/17/1/2 /dev/sdb2 volume 39GiB EXT4 volume
/0/100/1b bridge Cannon Lake PCH PCI Express Root Port #17
/0/100/1b/0 /dev/nvme0 storage Samsung SSD 970 EVO Plus 500GB
/0/100/1b/0/0 hwmon1 disk NVMe disk
/0/100/1b/0/2 /dev/ng0n1 disk NVMe disk
/0/100/1b/0/1 /dev/nvme0n1 disk 500GB NVMe disk
/0/100/1b/0/1/1 /dev/nvme0n1p1 volume 528MiB Windows NTFS volume
/0/100/1b/0/1/2 /dev/nvme0n1p2 volume 98MiB Windows FAT volume
/0/100/1b/0/1/3 /dev/nvme0n1p3 volume 15MiB reserved partition
/0/100/1b/0/1/4 /dev/nvme0n1p4 volume 139GiB Windows NTFS volume
/0/100/1b/0/1/5 /dev/nvme0n1p5 volume 325GiB EXT4 volume
/0/100/1c bridge Cannon Lake PCH PCI Express Root Port #1
/0/100/1d bridge Cannon Lake PCH PCI Express Root Port #9
/0/100/1f bridge Z390 Chipset LPC/eSPI Controller
/0/100/1f/0 system PnP device PNP0c02
/0/100/1f/1 system PnP device PNP0c02
/0/100/1f/2 system PnP device PNP0c02
/0/100/1f/3 generic PnP device INT3f0d
/0/100/1f/4 system PnP device PNP0c02
/0/100/1f/5 system PnP device PNP0c02
/0/100/1f/6 system PnP device PNP0c02
/0/100/1f/7 system PnP device PNP0c02
/0/100/1f.3 card0 multimedia Cannon Lake PCH cAVS
/0/100/1f.3/0 input26 input HDA Intel PCH Front Mic
/0/100/1f.3/1 input27 input HDA Intel PCH Rear Mic
/0/100/1f.3/2 input28 input HDA Intel PCH Line
/0/100/1f.3/3 input29 input HDA Intel PCH Line Out
/0/100/1f.3/4 input30 input HDA Intel PCH Front Headphone
/0/100/1f.4 bus Cannon Lake PCH SMBus Controller
/0/100/1f.5 bus Cannon Lake PCH SPI Controller
/0/100/1f.6 eno2 network Ethernet Connection (7) I219-V
/1 power To Be Filled By O.E.M.
/2 /dev/fb0 display EFI VGA
/3 input0 input Sleep Button
/4 input1 input Power Button
/5 input18 input Eee PC WMI hotkeys
/6 input2 input Power Button
答案1
我很高兴地报告，我成功了。对我来说，netplan.io缺少包。这导致 yaml/etc/netplan/01-network-manager-all.yaml无法应用。如果您缺少此 yaml 文件，请查看此回答其内容应该是什么。