New answers tagged networking
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Unable to connect with the hotspot created on ubuntu
When I open GNOME settings to the WiFi page, the "create hotspot" option is initially greyed out. Switching to any other settings page and coming straight back makes the option available. ...
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Ubuntu 22.10 RDP connection issues
Flatpak Remmina crashed on me and then would not connect to anything.
Enable Debugging from the hamburger menu and look at about the last line.
G_NETWORK_CONNECTIVITY_FULL
> flatpak ps #find the ...
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nsswitch.conf - name resolution options what is db?
Each database (in terms of NSS) demands to use its own lookup functions. Say, for services database it's getservbyname_r(), for protocols database it's getprotobyname_r().
The hosts database wants to ...
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Unable to Access ubuntu 20.04 server Remotely using RDP
At first, I installed XRDP, and linked it with MS remote.
It worked. Then, I installed TIGHTvncserver and used REALVNC to link, and it is worked, too.
But, the remote didn't work, and the settings ...
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1
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I closed the terminal while updating and did not reboot because upgrading apt is in progress
Use the keyboard short Ctrl+Alt+T to open a new terminal, and run the gnome-session-quit command to logout. Then login to your Ubuntu desktop environment again as usual and continue the software ...
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0
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Make file manager mounts of smb shares permanent
File managers nowadays use gio mount (it replaced almost all other methods like gvfs-mount, smbclient). Mind that file managers can mount without the need to ask for user and password if those can be ...
- 295k
0
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tftp does not copy files from server, showing 0 bytes
The issue was with permissions to the file and the directory.
I ran the tftp server with TFTP_USERNAME="root", and TFTP_DIRECTORY="/home/ngadre/tftp", then restarted daemon. After ...
- 101
0
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Slow 5Ghz download speed with TP-LINK T3U Plus on Ubuntu 23.04
I have the TP-LINK T3U AC1300 USB Adapter and am using the stock driver that comes with 22.04. lsusb reports this as
TP-Link Archer T3U [Realtek RTL8812BU]
I was connecting with slow speeds and ...
- 196
0
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avahi-daemon repeatedly registers/withdraws address record causing network failures
In my case, I've seen these messages by iPv6. I've set use-ipv4=yes and use-ipv6=no in the avahi-daemon.conf, because I just need avahi/zeroconf just in my local network. But still getting these ...
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Trying to SAMBA share a folder always gives errors
Please see the following installation guideline. It can effectively solve the outstanding issue of 'net usershare' returned error 255..."
Install & Configure Samba
0.Remove your previously-...
- 131
0
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Can't connect to ubuntu 22.04 hotspot
I tried all the mentioned solutions, but none of them worked with security.
But as mentioned by Farmer-G, I was able to get it working without security. So I tried changing the security from there, to ...
1
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Accepted
Simulate single big network delay and packet burst after
This should look like network is stopped for 1 seconds and after all
delayed packets are sent as soon as possible to their targets.
That is actually possible ... From man tc:
netem
Network Emulator ...
- 25.8k
0
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bluetooth not working ubuntu 22.04.2 LTS
This is what worked for me. Hopefully this will solve your problem: https://askubuntu.com/a/1485928/1731074
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How to get the ip address without ifconfig or ip command in Ubuntu?
Here's the solution based on @howtouselinux's answer that you can directly copy and paste.
python3 <<HEREDOC
import netifaces as ni
import pprint
interfaces = ni.interfaces()
print("\n"...
- 156
0
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How to debug failing CIFS connection?
All credits go Morbius1: adding following option to mount command resolved it:
nodfs
Mount working again!
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IPv6 is working, but IPv4 isn't
I have the same problem. And all the above solutions do not work for me. After struggling for half a day. I found it is the problem of BIOS time. If you don't find any possible solution. Please check ...
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0
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Executing tcpdump without sudo on Ubuntu 20.04
I do not have enough reputation to leave a comment, but it seems that you have a mistake in the binary paths.
In the commands chgrp and chmod you use the path /usr/sbin/tcpdump (notice the /usr at the ...
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-1
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Ubuntu Server 22.04 LTS not finding iPhone Hotspot?
Check If your WiFi card is working and try to connect via terminal or use USB tethering/Bluetooth Tethering on your server or desktop are you using a laptop or A PC on for your Ubuntu I hope your ...
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Ubuntu Server 22.04 LTS not finding iPhone Hotspot?
I have turned on „Maximize Compatibility” in the Settings > Hotspot and after that Ubuntu 22 can find the hotspot.
- 101
2
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Accepted
ifupdown-wait-online.service (even if disabed) / xfce takes 5 mins to load
The solution is to disable the ifupdown-wait-online.service (not systemd-networkd-wait-online.service)
sudo systemctl disable ifupdown-wait-online.service
- 25.6k
0
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Downloading Constantly "/.local/share/kite/current/kite-update"
I've had the same data blow out issue after kite failed to install properly within the forked version of 'Atom' called 'Pulsar'. I removed it by doing the following (from your home dir),
$.local/share/...
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1
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How to fix Ubuntu GUI after installing windows 11 dual boot
What you're experiencing is probably unrelated to the Windows installation, unless you changed the drive partitioning during installation. Your logs indicate your root filesystem has become corrupt, ...
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3
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Accepted
I upgraded to 22.04 from 20.04 and now I don't have a wifi adapter and cannot connect to the internet
There are ways to fix a non-functional system via built-in options like booting into an older kernel or tools like rescue/recovery mode ... etc. ... However, oftentimes, those builtin mechanisms might ...
- 25.8k
4
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Why can't I ping over IPv6?
Your machine has a malfunctioning internet connection.
It is setup with an (probably automatic) IPv6 internet connection, where it knows it has its own global IPv6 address and knows which router to ...
- 932
0
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ubuntu 22.04 / Mediatek mt7921e network card "No wifi adapter found"
I tried many things from others topics in the web. No solution specific to a unique post worked for me.
I'm using a new laptop:
Asus rog flow x13 GV302x
AMD Ryzen 9 7940HS w/ Radeon 780M Graphics
RTX ...
1
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Accepted
No internet connection after upgrading to 5.15.0-83 on Ubuntu 22.04.3
It appeared that I had a Wireguard VPN activated in the background and the VPN server stopped working for some reason. Since Wireguard doesn't have any reliable connection indicator for Ubuntu, it ...
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Why can't I ping over IPv6?
Maybe the output you received from pinging www.google.com with ping -c10 -4 www.google.com is normal and expected because your internet service provider's service plan does not support pinging the ...
- 111k
1
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Accepted
Server connects to wifi internet but there's no wifi adapter in the config/settings (rtl8821ce)
Your netplan file suggests that you will manually configure networking and wireless is missing entirely. You wish, however, for Network Manager to configure networking and include wireless. From the ...
- 59.1k
1
vote
Accepted
Cannot ssh to ubuntu vm (not localhost)
The basic means to connect via ssh to another node (server) requires you have a private created on the remote node. In your case you haven't passed that key to the ssh command.
The steps to connect to ...
- 36.1k
1
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Ethernet not working, Wi-Fi works normally
Solution: Boot into windows, open device manager, open the properties of your ethernet interface (Realtek, etc.), under advanced; choose "Shutdown Wake-On-Lan" and turn that off.
Hope this ...
- 21
0
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Accepted
Accidentally deleted cfg80211 Ubuntu 22.04 Kernel version 5.15.0-43-generic
You sadly can't easily reinstall old kernel versions. Is there anything that's holding you on 5.15.0-43?
If not, just run sudo apt install linux-generic which should give you the most current one (5....
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1
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Accepted
ubuntu 22.04 / Mediatek mt7921e network card "No wifi adapter found"
Following RA suggestions, i updated the kernel version and then powered off my computer and waited for a few minutes before turning it on again (instead of reboot).
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How do I to set the DNS server for a device using nmcli?
nmcli connection show
# network_uuid : 2nd element
# net_device_uuid : 4th element
# modify the dns
# > the dns strings
onedotipv4="1.1.1.3 1.0.0.3"
onedotipv6="2606:4700:4700::...
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Can't get Ubuntu 22.04 server to resolve names
thanks all for your comments and suggestions.
The problem was resolved, the DNS servers that I was pointing to 10.248.0.100 and 10.248.0.103 were being built but not fully ready. I was given a ...
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Port Forwarding to another machine Rust gameserver
you can do this using socat, no need to NAT in this case
$ socat udp-listen:28015,reuseaddr,fork udp:another_server:28021
If you do want to use iptables you can use the following
$ sudo iptables -t ...
- 101
0
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Two Ubuntu servers in same IP address
contrary to the other two answers it is possible to have the same IP address on two separate machines using anycast. For this to work you would generally configure the shared (anycast) address on ...
- 101
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0
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How to ban access to .zip TLDs?
You can, kind of. As mentioned in the other answer an 'all-out ban a TLD on your machine' is challenging as far as I know. However, you can block the connection in your Chromium based browsers (like ...
- 101
0
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Accepted
2 Ubuntu servers, A is connected to B via ethernet. server B has 2 NIC, one of is connected to the internet. A cannot see B or the internet
I solved it by installing a bridge on the 2 NIC's on Server B
and doing the following command on the iptables on Server B
sudo iptables -t nat -A POSTROUTING -o enp3s0 -j MASQUERADE
Here is the yaml ...
0
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Cannot access network drive after changing password
You can access the previous password in "Passwords and Keys" (also known as seahorse).
- 321
1
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Ubuntu 22.04.3 LTS - Wired network connection randomly breaking until reboot
The network naming has changed at the installation. Cards named previously in 5.15 ens<x>f<y>np<z> with 22.04 are named with the new installer ens<x>f<y>.
The same ...
- 11
2
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Two Ubuntu servers in same IP address
Having the same IP address on multiple machines is not going to work.
Having who machines with separate IP addresses, where one machine listens on both ports X and Y, but forwards requests on port Y ...
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3
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Two Ubuntu servers in same IP address
This isn't a viable solution. Giving 2 machines on the same network the same IP address will result in an IP conflict, where the networking on none of the machines will work properly.
You should think ...
- 22.2k
0
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The first network request is incredibly slow
You're not getting a response from your first two DNS resolvers. Take a look at your /etc/resolv.conf.
By default, linux goes through nameservers from top to bottom (very repeatable) and has a timeout ...
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0
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Accepted
Auto-connecting 4G/LTE on startup (with USB modem)
Found it. Network manager has a cli: nmcli.
If the modem is recognized by the network manager (in my case it is) then its connection UUID will show up when running:
nmcli connection show
Then, it can ...
- 181
1
vote
Accepted
change M2020 printer WiFi configuration using USB
It is possible to reset the Wi-Fi settings of your M2020 printer using Samsung's PSU ("Printer Settings Utility").
Highly inspired from this post, I've ended up moving the required files in ...
- 46
0
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"activation of network connection failed" error for the all my wifi connections
I've faced the same issue with my Ubuntu 22.04 LTS (alone, no dual-boot) and a TOTOLINK Wireless Adapter.
It turns out that the kernel configuration is invalid (no idea why this happened while the ...
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Netplan apply causes interfaces to go down temporarily
`critical` (bool)
Designate the connection as “critical to the system”, meaning
that special care will be taken by to not release the assigned
IP when the daemon is restarted. (not recognized by
...
- 5,313
0
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How to display network traffic in the terminal?
A powerful tool bpytop like a Swiss army:
Install:
sudo apt install bpytop
List interfaces:
ip -br -c a
Monitor all resources:
bpytop
Also, you can customize your output schema with numbers:
{1,2,3,...
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Network manager no default route
Based on the answer from Waheed, I found that under
/etc/NetworkManager/system-connections/Wired\ connection\ 1.nmconnection
under [ipv4], there was an entry called ignore-auto-routes=true.
I found ...
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