Questions tagged [ping]

ping is a command line tool/network utility often used to troubleshoot connectivity and network latency issues. PING is an acronym for Packet INternet Groper. Questions about the ping command should use this tag.

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Unable to Ping from Ubuntu Server

I have a LAN setup 192.168.1.0/24, unusually I have 3 devices on the network that I am unable to ping from my Linux box, but can from a windows laptop on the same network. The Linux box however can ...
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ubuntu with firewire enthernet card to ping eachother

I have two PCs with the same iEEE1394a card. Operating system is ubuntu 20. Ubuntu find the IEEE1394 by firewire0. I already insmod firewire-core, firewire-net and firewire-ochi.ko But I can't ping ...
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Network printer not printing from Ubuntu 20.04.1

I really need some help. I'm very new to Ubuntu and have stumbled my way through for the past 4 months after updating to a desktop that won't run Win7 and trying, but hating win10. I have a network ...
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100% packet loss when pinging google dns with packet larger than 68(96) bytes. Ubuntu 20.04

I get 100% packet loss on ubuntu 20.04 when sending ping larger than 68(96) bytes to google dns. The MTU of my router is set to 1500 bytes. 0% packet loss with ping size set to 1472(1500) bytes on ...
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Strange network behavior

OK this is complicated. I'm running WebWorks on Ubuntu in a virtual machine using VMWare. Once in a while the network drops, but not in a normal way. Heres what happens. I can't connect to the ...
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DNS returns IP addresses of non-existent URLs

On "Ubuntu 20.04.4 LTS" both ping and a python3.8 script with dnspython 1.16.0 return IP adresses of URLs which do not exist. With "Ubuntu 20.04.4 LTS" under Windows 10 WSL, these ...
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Wifi issues after latest update to 21.04

I have an issue with 21.04 in that I cannot ping the gateway although netstat -nr shows the right config and this was after I upgraded last time. I can see a valid IP address for wlo0 and when I boot ...
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Why is il3-fw2.canonical.com Pinging a server? / Security Concern

Presently, we have a number of Ubuntu 20.04 servers set up with unattended-updates, restricted just to security updates. I'm aware this generates a log, and checking said log does show that about ...
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Can't ping ip adresses through L2TP VPN

I have a L2TP VPN server(Ubuntu) and Ubuntu 20.04 server. I connected to VPN in my Ubuntu, however I can't ping any ip addresses located on that network. What causes such behaviour of that VPN ...
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Changing the IP address in a VM and pinging it from another VM?

I have 2 machines in a VM, I want to change the IP address in one machine and ping it with the other. I changed the IP address through wired connections in settings for both the machine (10.0.2.20 and ...
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Ubuntu on my nvidia TK1 cant ping outside local net using windows machine as gateway

First message here, thanks for helping. I have an Nvidia TK1 with 14.04.1 LTS (GNU/Linux 3.10.40-ga7da876 armv7l) running, and I connected it with a crossover cable to a laptop running windows 10. I ...
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Ping to a machine on LAN with hostname fails but ssh works

I have a Lenovo Thinkpad and a NVIDIA Jetson Xavier NX, both connected over wifi to a Fritzbox 7590. The Thinkpad has Ubuntu 20.04 LTS installed on it. I am not sure which is the version Jetpack ...
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Sending ICMP Echo Request Using Raw-sockets

I compiled a c program that sends ICMP Echo Request Using Raw-sockets and also receives one back (ping). However, for some reason, even though I am the ROOT I still seem to be denied by the permission....
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Can connect to VPN with WiFi but not with Ethernet

I use a VPN (Ubuntu 20.04, OpenFortiGui) to connect to the institute's server. I have no issues when using WiFi. Since the WiFI is pretty slow, I bought a USB-Ethernet adapter and cloned the MAC ...
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ping: connect: invalid argument

Can someone explain this to me? gbouras@master:~$ ping 10.0.0.12 ping: connect: Invalid argument gbouras@master:~$ ping 10.0.0.11 PING 10.0.0.11 (10.0.0.11) 56(84) bytes of data. 64 bytes from 10.0.0....
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My Ping result are returning an IPv6 instead of IPv4

I am new in Linux. So, I am running dual boot Linux and Windows 11. All my OS is on the latest version. I try to ping google.com in Linux, but I get returned IPv6 instead of IPv4. Here is the ping ...
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Temporary failure in name resolution Ubuntu 20.04.3 LTS

I have a brand new machine and get this error after every reboot. $ ping google.com ping: google.com: Temporary failure in name resolution $ cat /etc/resolv.conf nameserver 8.8.8.8 nameserver 8.8.4.4 ...
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Internet is connected, but destination host unreachable

I am trying to ping 8.8.8.8 from my Ubuntu, but I get destination host unreachable. However, my laptop is connected to the wireless network. Please help, I am not able to work.
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wireguard implementation with 3 servers for ping time

i wanna get fastest ping time via wireguard for gaming in iran cause of filtering. i see some implmenetation that they have 3 wireguard servers, two of them are outside of your iran and 1 (as ...
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Some Websites/Pings return network unreachable 20.04

I am a fairly new user working through the set-up of a dual boot on my PC. The Windows OS is able to reach all websites, and I am using the same connection. (Ethernet into a wireless adapter). The ...
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Can't ping or remote connect to Ubuntu 18.04 when I close computer lid

I've set up an old laptop (dell e6330) with Ubuntu 18.04 Desktop. I want to be able to stash the machine in a closet but be able to have it continue to run as a server and also be able to remote ...
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how Ubuntu20.04 configured privileges to gnome-keyring-daemon and ping

I got this question regarding 2 versions of ubuntu (18.04 and 20.04) In Ubuntu18.04 sets file permission for the following two commands as, -rwsr-xr-x 1 root root 64424 Mar 10 2017 /bin/ping -rwxr-xr-...
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Checking if mac-address is present on network still doesn't work (ping -b and arp)

This is kind of a follow up to this post of mine. I have the mac-address of my phone (samsung galaxy S9; though it shouldn't matter). I want to check if it's on the network or not. It doesn't have a ...
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Unable to ping or connect to internet via WLAN

Problem statement Hi 👋 . I needed to auto-connect my system to another system via Ethernet so I assigned both these systems respective static IPs. On my host system, I did this by editing the /etc/...
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ubuntu 20.04 server not responding to ping

My problem is the following: on the 192.168.1. * network I have 3 machines. I call them U1 (Ubuntu Desktop), US2 (Ubuntu Server), W1(Windows) and a router named R1 in 192.168.1.1. U1 makes and ...
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Ping response lost upon re boot

I am currently working in an organization where we have a service in which we have Ubuntu based box which is connected via ONT device and poe switch through ethernet. It leaves the ping response when ...
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Why he interenet connection in ubuntu(20.04LTS) machine is so slower in comparision to other machines? The ping goes increasing and increasing

I am new to ubuntu and am having an issue of slower internet connection from day1. I thought there was problem with my router but checking the internet speed in two devices at same time there is ...
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0 votes
2 answers
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Cannot access internet through ethernet on freshly installed Ubuntu

I just installed ubuntu 18.04 and cannot get access through internet through ethernet cable Here are the command I already tried to get an idea about the problem. Is enp0s25 the name of the ethernet ...
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1 answer
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OpenVPN Server unable to ping device connected to client laptop via ethernet

I have an OpenVPN Server on a linux virtual machine (Google Cloud Compute Engine instance running Ubuntu 20.04). I have a linux laptop in my office (running Ubuntu 20.04). It is connected wirelessly ...
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Can't ping or access specific website

I have tried pinging this website: www.epfl.ch or accessing it in my browser on ubunut but I can't. I know as a fact that the website is running since I can access it from my android phone. Also if I ...
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There is internet on Ubuntu Server but not in Client

I am so sorry if this questions repeated so much but i will go crazy. It will be a bit long and sorry for that! Lately I have a work in systems administration and I have to create a Ubuntu Server and ...
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Wireguard : ping from server to client doesn't work without adding endpoint in the peer section. What could be going wrong?

I have a wireguard configuration; client is a server on digital ocean and server is somewhere else. Not in digital ocean. I have the below wireguard config for server and client: Server side: [...
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How to monitor packet sent by ping?

I just want to capture the packets sent by ping. I know there are tcpdump, but it doesn't just capture the packets for a single program. So is there a way to just capture the packet for a single ...
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1 vote
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On my local network what can't I ping xyz but I can ping xyz.local on Ubuntu 20.04

On my local network machine xyz has the IP of 192.168.1.95. If I ping xyz.local it resolves properly. If I ping xyz I get "Temporary failure in name resolution". I am using Ubuntu 20.04 and ...
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Can't ping local devices while being connected to iPhone USB tethering

I can't ping devices that are connected to wireless hotspot but I can ping them when my computer is also connected to hotspot wirelessly. And it's not just ping my computer doesn't respond properly to ...
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Cannot ping some IPs (others work)

With my ubuntu 18.04 some IPs I cannot ping, others I can E. g. ping 129.206.100.169 is not successful, but ping 128.65.210.8 works. Before everything worked fine, afaik there was not software ...
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-3 votes
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I'm new at Ubuntu, and for my job I am asked to show this. How can I access to this information? [closed]

I'm supposed to send this information but I don't know how to do that. I tried pinging cabinet.skyeng.ru but it continues processing.
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1 vote
1 answer
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can't ping outside, but curl wget works

I'm setting up a new server and this is driving me nuts. I use a static IP, and have set it up correctly. I can curl www.google.com, wget driver files, apt install, use teamviewer. But I can't ...
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Ubuntu 18.04 cannot ping internet - two NICs

I'm currently having issues accessing the internet on my Ubuntu 18.04 server. The server has TWO NICs enabled. I can ping the default gateway and internal IPs, but I cannot ping any external IP. I ...
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0 votes
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20.04 LTS server used as my NAS lost all network connectivity while I was away

I am having the strangest issue. I lost network access over the weekend on my ubuntu 20.04.1 NAS/5.4.0-48 kernel. My board is a Supermicro x8sil-f model running a xeon and 16gb ram. It has been ...
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0 votes
1 answer
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How to compensate for an unstable wifi connection in Ubuntu? (Many lost packets and timeouts)

My wifi connection usually works fine, but sometimes it becomes unstable. Many dropped pings, delays (up to 2000 ms) and sometimes duplicates. Sometimes wget can't resolve DNS or it displays a speed ...
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ping, ssh work fine - NSLOOKUP gives error ** server can't find xxxxxx: NXDOMAIN

several hundred discussions around this problem, none exactly matching this issue Mine is a Home network Two nodes on a Home WiFi network(TOTOLINK) (N1)maruti(192.168.1.15, bionic,18.x) & (N2)atal(...
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1 vote
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Ubuntu 20.04.1 fresh install, wget and ping commands don't work?

Something odd is happening in my new installation of Ubuntu 20.04.1. The internet works fine - I can browse websites through Firefox. However, running a wget command or ping www.google.com just hangs ...
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UFW allows outgoing IPv6 even when default policy is to deny all outgoing

I want to set a policy to deny outgoing connections by default. DNS lookup should be allowed Specific IPs should be allowed for outgoing connections So I setup the following rules: sudo ufw default ...
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Ubuntu server can not be acessed, and is olny pingable for a short time. SSH also doesnt work

My server is going wacko, and i'll try to explain to the best of my abilities. I have a minnowboard turbot with ubuntu server 20.04 (latest one) installed. (its kind of like a raspberry pi or other ...
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12 votes
2 answers
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Nordvpn local network addresses not reachable when connected

I'm using nordvpn cli on ubuntu for quite a while, but since a few days, when I'm trying to reach any other client in my local network, I'm getting e.g. the following problem: $ ping 192.168.178.1 ...
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0 votes
1 answer
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fping with timestamp logging to file named with date

Hello. Using my server to log network DC's that seem to occur sporadicly during the days. Looked around and collected code and got this to work, wich i launch via cronjob to get one textfile a day. ...
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Why can't I connect to Internet from machine root, but can from virtual machine

ubuntu 16.04, KVM , QEMU This was all working fine until a few days ago, but now I find that I cannot ping the internet from the machine's root account, but I can do so from a Windows KVM instance ...
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Ping seems to send packets but not receiving them (please can somebody help)

I'm tethering Internet from my phone to Ubuntu (18.04.3 LTS bionic) it was working fine until suddenly stopped working, I can't access Internet When I try google.com in Firefox it says: The ...
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1 vote
1 answer
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Destination unreachable: Address unreachable upon ping of outside hosts

Im having trouble pinging google.com on ubuntu 20.04 david@Ptolemy:~$ ping google.com PING google.com(syd09s22-in-x0e.1e100.net (2404:6800:4006:80e::200e)) 56 data bytes From 2001:8003:7405:1200:faab:...
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