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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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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1answer
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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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Ubuntu server in virtualbox input / output error

At first I apologize for the poor English, I use Google compiler Summary: Host Lenovo laptop i7 / 16GB RAM OS Lubuntu 20.04 Guests G1 Ubuntu Server 20.04 with LAMP, Nagios Core Server G2 Ubuntu Server ...
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Error editing connection: did not find a connection with UUID '(null)' - Need info to actually fix it!

Seems that there are a few questions on this but I am looking for an explanation and an answer that works. So lets start at the top (I am not very familiar with Linux and its networking morass but ...
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Why cant I ping from docker exec using domain name, IP works fine

Ubuntu 20.04.02 LTS Client/server: Docker Engine - Community version: 20.10.5 docker-compose version 1.23.2 Running on virtualbox 6.1 VM has adpater 1 attached bridged 1) docker exec -it cli.abc.net ...
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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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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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Network Connection between devices in Virtual Manager

[ubuntu 20.04.2 LTS] I have installed virt-manager onto this system and created two client machines fedora and centos as the web server. currently I am testing out apache2 with docker installed. The ...
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Why would desktop 20.04 not respond to ping or ssh from a specific internal ip/host after inactivity?

If I leave an ssh connection (chromeOS) between my host and server (20.04 desktop) the ssh client will eventually be disconnected. Upon return it's like the server is invisible to the host. The only ...
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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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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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1answer
50 views

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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146 views

Snap refresh is throwing network is unreachable error

While running sudo snap refresh i have started receiving network not reachable errors. While on my other machine it is working fine. I didn't change any network settings. sudo snap refresh error: ...
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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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248 views

Ubuntu 20.04 LTS server cannot be ping after no operation for a while

My new server has installed Ubuntu 20.04 LTS without GUI. And we make it a Jupyter Server in our Local Area Network. All setups about Jupyter have done, and it works. But after no operation for a ...
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1answer
154 views

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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377 views

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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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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226 views

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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1answer
4k views

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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1answer
426 views

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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1answer
33 views

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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676 views

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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2k views

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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749 views

Ubuntu 20.04 LTS WSL2 Windows 10 Networking/connectivity issue

fresh install Linux mybox 4.19.104-microsoft-standard #1 SMP Wed Feb 19 06:37:35 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux I am unable to ping. it seems that there are no netplan configs, the folder is ...
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349 views

Kubuntu 20.04 ping trouble: libnettle.so.6: cannot open shared object file: No such file or directory

I just upgraded from Kubuntu 18.04 to 20.04. Everything went fine except when I ping an address in local session where I get this message: ping: error while loading shared libraries: libnettle.so.6: ...
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Does ping 127.0.0.1 test the status of my wifi card?

My Wifi does not work anymore and the command lspci is not showing any wireless card. The device is not either listed under lshw -C. The dmesg command does not give any clue about errors with wifi. So ...
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594 views

Network Problems after creating network bridge

i wanted to install some virtual machines on my server using KVM so for this purpose i created a network bridge. so far so good... My OS is Ubuntu 20.04. I change the 01-netcfg.yaml file in /etc/...
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1k views

Qualcomm Atheros QCA9377 unstable connection with ping spikes

Recently I bought a laptop Acer E15 E5-553G-T4TJ and I'm running Ubuntu 20.04. This laptop is equipped with a Qualcomm Atheros QCA9377 as wireless card and many times I face ping spikes and even ...
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1answer
295 views

Ubuntu 18.04 after update cannot reach outside network only internal

I am a newbie. After an update for security etc for version 18.04.3, I cannot access the web from the server. I have to disable the firewall to connect by SSH using Putty internally. I can enter the ...
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27 views

Ubuntu VM cannot ping Windows 7 VM & vice-versa

This one's got me scratching my head. The configuration -------- hypervisor #1 (ESXi 6.7) containing a bunch of VMs, amongst which is the Ubuntu 18.04 VM (I'll refer to this as UbuntoBAD), and a VyOS ...
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105 views

With an external wi-fi, the ping command gets 100% packet loss, but the internet works

For the network classes, I have bought the novel usb wi-fi adapter (Panda PAU09), and managed to connect to the internet in the VirtualBox, the Ubuntu OS 20.04. I could connect by my adapter, but I ...
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289 views

ping command packet size

when i use ping command on linux i get the following output : ping google.com PING google.com (216.58.205.206) 56(84) bytes of data. 64 bytes from mil04s29-in-f14.1e100.net (216.58.205.206): ...
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2k views

Cannot ping GitHub

I cannot access to GitHub only on my Ubuntu 18.04 machine and all other machines (Windows PC, iPad, Phone) connected to the same network can access GitHub. When I try to ping GitHub, I get The result ...
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489 views

Cant ping with UFW enabled

I am having an issue with UFW on Ubuntu 20.04. I am running a Nextcloud server on this machine, and my default is to deny incoming and outgoing, except for port 443 which works fine. This is causing ...
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477 views

Link Aggregation Issues (LACP)

I am running a nextcloud server on Ubuntu 20.04, and set up link aggregation. It doesn't seem to be working unless the server is in use. For example, if I am running a speedtest on the server, I am ...
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37 views

Wired Network sometimes works and sometimes it doesn't in Ubuntu 20.04

There is a strange issues with Wired Connection in Ubuntu 20.04, It sometimes connect to the Network and sometimes it doesn't. Following is the output of ping: $ ping 192.168.1.1 PING 192.168.1.1 (...
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155 views

Intermitent ethernet connection, Destination Host Unreachable on ping 1/3 of the time

I'm having intermitent issues connecting to the internet only when connecting my DELL XPS 15 through a wired connection. These are very fast "working not working status" as you can see by the ping ...
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185 views

Browser stuck “loading” a website, and “ping google.com” in terminal hangs

Basically, I can't connect to the internet even though I have an ethernet connection active, using my 16.04 LTS on ThinkServer. Started happening a couple days ago. I can connect to my router 192.168....
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75 views

Cannot ping domainnames, only ip's

i'm running Ubuntu Server 18.04.4 LTS I'm able to ping 1.1.1.1 and 8.8.8.8 etc. but cannot ping domainnames. I tried many things but i can't seem to solve this issue. therefore i'm not able to update ...
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100 views

Can't ping Ubuntu Server 18.04 ⟷ router

I have to create a virtual server as a school project using a VM. I chose Ubuntu 18.04. The project includes 2 routers and 3 PCs. One PC is my laptop, the other two are virtual ones like the 2 routers....
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2answers
138 views

Ping specific web addresses?

I'm making a bash script to ping a certain web address. The problem is, when I say: ping https://www.dictionary.com/browse/word then ping says ping: https://www.dictionary.com/browse/word: Name or ...
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Internet connection working on one laptop, not on another one, until restarting router. WHY? - ubuntu 18

I have two laptops with the same ubuntu version, and almost the same software installed. I have been using them lenghtly with the same home wifi and external wifi with no problem of connection of any ...
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1answer
306 views

Can't ping Brother HL-L2390DW on Ubuntu 18.04

I just got a Brother HL=L2390DW Printer/Scanner and installed the drivers on the Brother website. Here's what I have: # dpkg -l |grep Brother ii brscan-skey 0.2.4-1 amd64 Brother Linux scanner ...

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