New answers tagged networking
0
votes
Accepted
Upgraded to 24.04LTS from 22.04 and network doesn't work at all
After some research I found out that the file /etc/resolv.conf either damaged or not existed. At least I couldn't open it. So in my case I first removed the file in case if it existed but damaged ...
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0
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No network access after upgrading to Ubuntu 24.04
This may be a duplicate of Internet is not working after upgrading to ubuntu 24.04
You can temporarily edit /etc/resolv.conf
sudo nano /etc/resolv.conf
and replace all content with
nameserver 9.9.9.9
...
- 1
0
votes
Facing some errors when running sort with nfq
Running the container with --privileged will likely fix this, but then you have the security issues related to running a container privileged. I'm trying to figure this out myself, how to accomplish ...
- 314
0
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Update of Proton VPN on Ubuntu 20.04 locks out wifi & wired access!
Actually it's not that difficult to solve, check the active routes, usually you can see proton connections with
ip route show
it will list your current routes, if you see proton's link up and running ...
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0
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Realtek b851 WiFi Card doesn't work in Ubuntu
OK, I got it fixed but I'm not 100% sure how it was fixed. Earlier I followed your instruction (Turned it off, disconnected power, held power button for 30 seconds), turned it on and it wasn't working....
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0
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Redirecting multiple ports with socat
I had the same use-case, I wanted multiple ports forwarded. I found this answer in another thread.
https://unix.stackexchange.com/a/751459
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0
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Wired Connection is very slow in Ubuntu 24.04
On Ubuntu Unity 24.04 running FIREFOX upload and download speeds are the same as on Win 11 Pro insider build. PC is DELL Precision 7720 laptop. ISP is Blue Stream Fiber.
John
- 21
0
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How to activate/install a USB to "Gigabit" wired ethernet adapter in 24.04 LTS?
The OP returned the incompatible j5create JUE130 to their vendor and used a different device instead that is compatible.
- 65.6k
0
votes
MSI Stealth 17 - Ubuntu 22.04 - No WI-Fi Adapter Found (Killer wi-fi 6e ax1675i 160mhz wireless network adapter) - wifi not working
I encounter the same issue with my MSI Stealth 14 in Ubuntu 20.04. I resolved this issue through this patch. However, it appears that the backport-iwlwifi already has this patch fixed. Hence, my ...
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0
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Upgraded to 24.04, ethernet adaptor stuck at "getting IP configuration"
I suspect that your connection profile has been deleted or corrupted and that you simply need to create a new profile.
Open your System Settings and go to Network Settings:
If a profile does not ...
- 1,786
0
votes
Accepted
My new Ubuntu Install isnt working properly
Just stop your cloud-init by doing:
sudo nano /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg
Then typing:
network: {config: disabled}
Inside the file and pressing Ctrl+X, then Y, then ENTER to ...
- 11
0
votes
Ubuntu does not boot to desktop
My Ubuntu laptop stopped loading the desktop environment after trying to "fix" the sound by running the commands at https://askubuntu.com/a/1441491/282606 - I should have read the comments ...
- 562
2
votes
Upgraded to 24.04LTS from 22.04 and network doesn't work at all
I have the same problem and I found this answer worked for me
Bug connection ubuntu
Summary, my steps are
Run
sudo apt install systemd-resolved
disconnect wifi/ wired
turn on wifi again
connect ...
- 21
0
votes
How to display network traffic in the terminal?
Another nice option written in Rust is bottom.
Install
A .deb file is provided on each stable release and nightly builds for x86, aarch64, and armv7. Some examples of installing it this way:
# x86-64
...
- 3,781
0
votes
WiFi adapter not found error in Ubuntu 24.04
For now, one thing is for certain. The wifi card works perfectly fine.
Fed up with the hardware compatibility issues, I installed Windows back.
After installing the driver, the wifi is back up and ...
- 1
0
votes
Ubuntu 24.04 started receiving activation of network connection failed
In my case, I deleted /etc/resolv.conf and rebooted using the terminal as follows.
sudo -i
cd /etc
rm resolv.conf
sudo reboot
Then the internet came back.
0
votes
IpVanish VPN failed to connect
I got it to work by monitoring the logs using tail -f /var/log/syslog and then attempting to import an IPVanish .ovpn config file (IIRC).
Anyway... the config files are out of date, they contain ...
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1
vote
dnsmasq failed to start following update to ubuntu server 24.04.1 from 22.04
I found that I had to edit the file /etc/default/dnsmasq and uncomment the following lines:
IGNORE_RESOLVCONF=yes
DNSMASQ_EXCEPT="lo"
I also had to add:
bind-interface
interface=bond0 (the ...
- 41
0
votes
Identify PHYSICAL Network Interfaces?
The only simple way I found using a builtin command (event on a minimal Ubuntu version) is to show the dynamically addressed interfaces with ip:
ip a show dynamic
You can even have with colors (which ...
0
votes
How to enable Ethernet Interface (Ubuntu 22.04)
Hi I ported over a native build of Unbuntu server provisionally hosted in Windows Hyper-v to my NUC, booted fine no integrated network device picked up. Would like to thank the folks in the thread for ...
1
vote
Netplan 'ignore-carrier' option doesn't work on 22.04 Ubuntu
Okay, I figured out the problem. It has to do with how the upstream networking agent systemd-networkd handles link-local addresses. Quoting from the maintainers (src):
DuplicateAddressDetection= is ...
- 31
0
votes
Accepted
TP-Link Archer T2U Plus driver issue on Ubuntu 22.04 and Kernel 6.8.0-40-generic
It turns like what @david said, that the drivers were out of date. I eventually just searched on Amazon for a different wireless adapter that already has linux support. I found a really great list ...
- 11
0
votes
Upgrade software on multiple machines using some form of caching
I used apt-cacher-ng for this.
In this answer https://askubuntu.com/a/1503211/243321 I explain some details about how I set it up. The question there is not a duplicate but IMHO contains valuable tips ...
- 24.2k
0
votes
apt-get update not working in Ubuntu 20.04 WSL1
In my case the problem was the company's VPN. I turned it off and the default configuration worked perfectly fine for running apt-get update.
Ubuntu 22.04.3 LTS on WSL2
- 101
0
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RTL8821CE driver for Ubuntu 24.04 is not working
I would guess if you run sudo modprobe rtw88_8821ce in terminal that wifi would work, the command I posted as a comment will reveal why it doesn't work on its own
- 12.9k
0
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ubuntu 20.04 cannot connect to wifi (wifi settings not visible)
I also had issue with my dual boot laptop. This happened when I immediately switched to Ubuntu from Windows. So I just restart again and Wi-Fi connects in 2nd time
1
vote
Intel 9260 Wireless Card not working after 24.04.1 upgrade
Combination of these got me back in. I'm assuming the update of the kernel was required.
sudo apt-get update
sudo apt-get install linux-image-`uname -r`
sudo apt --fix-broken install
Updated kernel:
...
- 41
1
vote
Accepted
Wifi option disappeared after update, 22.04
You must have blacklisted the kernel module that is used in the 6.8 kernel and that rtl8821ce-dkms doesn't seem to work on that kernel. In terminal do
sudo sed -i 's/blacklist rtw88_8821ce/#blacklist ...
- 12.9k
0
votes
Share local ubuntu server 24.04 LTS proxy with other devices on the home network via v2ray
If your server and Home Lan device are on the same network, then you don't need IP forwarding.
First, remove all the IP table rules to remove any chance of those interfering, and then use this ...
- 11
1
vote
Ubuntu Won't Connect Ghost VPN After Update to 24.04
You probably don't actually need the providers CLI program to use the service if they support OpenVPN. It's literally an open source VPN. You just need the configuration file/s from the provider and ...
- 2,705
0
votes
Wired network extremely slow
Using ethtool to reset the speed of the Intel chip on my Supermicro X7DAE solves a similar problem. I use
ethtool -s enp6s0f0 autoneg on speed 1000 duplex full
and I'm not seeing any errors on my ...
0
votes
How to connect two Ubuntu 24.04 hosts over ad-hoc Ethernet?
If you don't have a switch between the two devices, the correct way is to use an Ethernet crossover cable. A regular Ethernet cable won't work. Here's a good explanation of the difference
https://...
- 11
0
votes
Partial upgrade to 24.04.1 broke shared libraries
OK doing a simple and dumb thing worked! I had a working WSL install of ubuntu, and I simply copied the .so files from /lib/x86_linux_gnu over to the broken system!
I needed to copy libgobject-2.0, ...
- 154
0
votes
Upgrade from 22.04 LTS to 24.04.01 LTS failed - now only command line at 22.04 and no network
I just had the exact same experience, see my answer here which will hopefully quickly fix your install like it did mine: https://askubuntu.com/a/1525039/1061422
- 2,705
0
votes
No Internet in Ubuntu Server after updating to 22.04.4 LTS
try to generate a new netplan
then apply the changes?
https://netplan.readthedocs.io/en/latest/cli/
I have the same problem, altough im not in ubuntu server neither oracle, seems not to come from ...
- 181
0
votes
Have URL or IP addresses connected via WiFi or cable
Yes, it is solvable under certain assumptions. You can use routing table settings and static paths, but a number of circumstances affect whether it will work correctly. Among other things, it depends ...
- 1,136
0
votes
Cannot connect to the internet after assigning Host-Only Adapter on Oracle VM Virtual Box Manager
I guess you want both ssh connection from host to the VM and the internet connection. Then you may only need add one port forwarding rule to the default NAT mode:
Suppose your VM has ip addresss as 10....
- 76
0
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Defining static IP addresses for different NIC adapters via Netplan
You mention that the new interface will be used for the Internet and the existing interface is internal-only. Normally you would use the default route for the Internet, and list out the specific ...
- 5,688
0
votes
vnstat not updating
vnstat --version
vnStat 2.6 by Teemu Toivola <tst at iki dot fi>
sudo vnstat --add -i usb0
Adding interface "usb0" for monitoring to database...
Restart the vnStat daemon if it is ...
- 979
0
votes
How to make a script which sends a command to terminal app and then use results of that command to start my application
Note that this does exactly what you asked for, which is leaving a Konsole instance running the script for the whole duration of the script; is this really what you want?
I would do something like ...
- 38.6k
1
vote
TP-Link Archer T2U Plus driver issue on Ubuntu 22.04 and Kernel 6.8.0-40-generic
Probably your driver is no longer supported for the current kernel.
The following link has supported source for your driver rtl8821au (bottom right) you are inquiring about: -
https://github.com/...
- 352
0
votes
Defining static IP addresses for different NIC adapters via Netplan
You need to define the subnet that this interface should be routed to and create a routing policy. For example:
enp16s0f0:
addresses:
- 192.168.1.2/24
dhcp4: no
routes:
...
- 1,786
0
votes
Ubuntu server installation sets invalid FQDN
Don't know if it can help, but I started using the getent command to catch the fqdn:
getent hosts $hostname -s dns
I suppose it evaluates the nsswitch.conf and bypasses the file keyword of the hosts ...
0
votes
Accepted
Wifi stopped working overnight on Kubuntu 22.04
In the end I bought a cheap USB wifi dongle to fix this, and it works nicely.
- 101
0
votes
24.04 - How to find "what" is changing DNS settings in /etc/resolv.conf
You've indicated that your server is using the wrong DNS address but it used to be correct and set to 192.168.0.112. You also indicate it has since changed to 192.168.0.110. Therefore, with your ...
- 1,786
0
votes
Ubuntu and fqdn
I believe you will find it also gets you the first FQDN.
Try hostname --all-fqdns instead.
I suspect you will find that your basic hostname is listed as the name for 127.0.0.1 in /etc/hosts. This ...
- 186
2
votes
Accepted
Ubuntu 22.04 doesn't see /etc/resolv.conf
When you write some-domain 127.0.0.1 you are using an undefined command. It is ignored.
Thus, when you write dig some-domain, this is translated as a lookup of some-domain. (according to your search ...
- 186
0
votes
Ubuntu WiFi driver keeps crashing when trying to connect to WiFi network
Just reinstalled system lol
Everything works fine
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1
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24.04 - How to find "what" is changing DNS settings in /etc/resolv.conf
I've faced same issue as you.
I didn't find what is changing original /etc/resolv.conf (aka /run/systemd/resolve/stub-resolv.conf) file(s) so I've changed /etc/systemd/resolved.conf to add DNS servers ...
- 11
0
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Ubuntu 20.04 Wired Ethernet Connection Failed on 1st ever use
I connected laptop directly to router via ethernet to test the port and it worked fine.
Turns out I need a different cable (crossover?) to connect to TP-Link switch dashboard.
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