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.

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Synergy works one way only?

I am running two Ubuntu 12.04 machines connected to the university network. One is a desktop and the other a X230t Lenovo laptop. They are both wired(eth0) to the same network. I am trying to get ...
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1answer
23 views

How do I configure a machine to respond or not respond to ping requests?

How can I manage my Ubuntu machine so it doesn't (or does) respond to PING (ICMP ECHO_REQUEST - type 8) requests? Normally almost all computers in a LAN network respond to ping with an ICMP ...
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34 views

How to increase pinging rate?

Is there a way to increase the pinging rate on Ubuntu 10.04 ? ping routerIP Thanks.
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3 virtual machines running ubuntu. vm1,vm2,vm3, vm2 as router, only vm1 has internet

I have 3 ubuntu Virtualbox virtual machines labled vm1,vm2,vm3. I would like only vm1 to have access to the internet. I would like vm2 to act as a router between vm1 and 3. So I can ping vm3 from vm1 ...
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24 views

no more ping no more internet

When my notebook was getting too slow I installed Ubuntu 13.10 also on my desktop. Initially the desktop worked fine but when I tried to connect to my modem the computer froze and since then I couldn ...
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Multi hop ping in ubuntu 12.04LTS

I have 4 static IP's (10.42.43.1, 10.42.43.2, 10.42.43.3, 10.42.43.4) in 4 different systems. the system with IP 10.42.43.1 can ping 10.42.43.2 and the system with IP 10.42.43.2 can ping 10.42.43.4 ...
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1answer
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Can't ping machine on LAN from 1 out of 3 Kubuntus

I have three Kubuntu systems running, one 12.04 and two 13.10. I have an HP MediaVault (a network attached storage device) on my LAN. On the 12.04 and one of the 13.10's, I can ping hpmediavault; on ...
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1answer
79 views

Why ping -f command needs sudo privileges?

When i tried to use ping -f ipaddress command in Ubuntu for testing my system , It fails with a message : ping: cannot flood; minimal interval, allowed for user, is 200ms When i type man ping and ...
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3answers
385 views

How to monitor, who is pinging me?

I need to know who is pinging me on my network. Is it possible to monitor all ICMP packets?
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1answer
205 views

How can i ping a Computer or a Printer using its Mac address?

Lets suppose a printer in my network has a Mac Address : 11:22:33:44:55:66 . Is there a way i can ping it to see if its up or down using its Mac address ? Any Help ?
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I can not ping microsoft.com but can open it using browser

I can not ping microsoft.com but can open it through Firefox. I am using 12.04LTS. I am able to ping all other websites.
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1answer
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can not ping google using proxy

I am using a proxy to connect to internet. I can use firefox and software center. but can not ping google. when I try it says ping google.com ping: unknown host google.com I have tried with ip ...
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2answers
168 views

Differences between ping and ping -c 3 option

I would like to know what the differences between using the commands : ping -c 3 www.google.com and ping www.google.com Any help or information is appreciated. Thanks!
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1answer
64 views

Cannot access ubuntu from windows

I cannot access my ubuntu shared folders and I cannot ping it too (from windows). In ubuntu, I have smbd and nmbd services started. The ubuntu machine can be seen in the windows Network directory. The ...
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2answers
169 views

Block ping from a particular IP address

My server is Ubuntu 12.04:-> IP 192.168.56.100 I have a client Ubuntu 13.04:-> IP 192.168.56.101 I have to block the ping from client to server So I wrote the IPTABLE rule. iptables -A INPUT -i eth0 ...
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1answer
585 views

ping: unknown host

Since few days, my dedicated server (Ubuntu 13.04) is no longer able to ping or connect to my NAS through DNS (hostname -> kr1.synology.me ) . The IP address ( 178.83.88.248 ) address against , is ...
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3answers
179 views

ping multiple IP's using bash?

I have 10 IP numbers which I have to ping daily for checking , How I can do that by using BASH script. So that I can automate that task by using cron. I want BASH script only. Thank you.
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2answers
65 views

A script to ping a group of IPs and return with just the Online?

I need a script that ping a group of ips and return as a result the online one , it will echo for example 10.10.10.10 is online 10.10.10.11 is online 10.10.10.15 is online Without using any ...
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2answers
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How to know a mac address for a Node knowing its IP on local network? [duplicate]

Is there a way to ping an IP , and know the PC mac address of this IP ? For exapmle in my network there is a printer which has the ip 192.168.1.99 (dynamic) , i need to its mac address to give it a ...
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2answers
46 views

how do you withdraw statistics from website using ping option in Terminal?

Simple question how do you ping using terminal for example Google and get back the statistics of it? I mean packets transmitted packets lost ttl etc. because I tried different options using ping ...
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67 views

Unable to Ping From Ubuntu Server 12.04 Terminal

I used mode_switch and was able to connect my 3G USB dongle with Internet, i am also able to download that data, but unfortunately i am not able to Ping any Website Any Suggestion ?? No pinging of ...
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49 views

Server not accessible from some subnets

I am having a problem with Ubuntu Server 12.04.3 LTS that is it is not accessible from one specific subnet. It is not pingable nor the services are accessible. Scenario is as follows: Ubuntu IP ...
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83 views

Unable to connect windows server 2008

I am using Ubuntu Desktop 12.04.3 x64 and Windows 8 x64 (dual boot) and my organization has a server running on Windows Server 2008. My problem is that I am able to ping and connect to our ...
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2answers
1k views

Can't ping any websites, but can access websites through browser

I'm using Ubuntu 13.10 running on the newest version of Macbook Pro (dual boot). I'm using wireless connection to access websites through the Chrome browser and it works. But ping doesn't work. For ...
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1answer
188 views

Ping IP or URL from different IP with same Ubuntu

how to ping a IP or URL from different location or IP with same Ubuntu PC . I want access same IP or URL from the same Ubuntu PC but not with same system IP every time . thank you.
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111 views

connect to servers behind a proxy for FTP and ping

I connect to servers behind a proxy (127.0.0.1:3000) via connect proxy for ssh and scp connections. When I try to connect to FTP servers or ping any server, they do not work. How do I configure FTP to ...
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1answer
142 views

Problem Connecting to Wired Network

I just installed Ubuntu Desktop on a brand new Dell computer that had windows installed on it. I have the ethernet plugged in, but it does not connect to the internet. I get an IP address. It has ...
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115 views

Is there any GUI based software for Pinging multiple IP address at a time in Linux?

Is there any GUI based software for Pinging multiple IP address at a time in Linux? Such tools are available in Windows. Graphical tool will be good and easy to use than command based one. Thank you ...
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1answer
2k views

Ping works , but unable to do ssh

I disabled the firewall with sudo ufw disable, I can ping the server, the server can ping me but I can't ssh to it: root@ubuntu:/home/acme# ssh 192.168.1.6 ssh: connect to host 192.168.1.6 port 22: ...
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1answer
345 views

ubuntu 12.04.3 - Reverse DNS issue - slow ping interval but normal ping value

i'm running ubuntu 12.04.3 x86 desktop in my corporation environment. I join the corp domain by Likewise open. But when I ping another pc, say hostname is pc-test, "ping pc-test" or "ping ...
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1answer
507 views

Internet extremelly slow UBUNTU 13.04 Alfa Awus036h

I have a peculiar problem. Presently I have Win7, Backtrack 5r3, and freshly installed Ubuntu 13.04. I have Alfa Awus036h as my 2nd usb Wifi card. Both backtrack and this new Ubuntu recognize it ...
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1answer
195 views

How to ping an IDN domain with its non-ASCII name?

For all I see, I cannot ping (or dig) IDN domain names using their non-ASCII names, only their ASCII 'backend' with xn-- prefix. I am about to add several such names to the configuration of a DNS ...
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54 views

Ping rtt time display precision

on my Ubuntu Server 13.04 when I'm pinging another network entity I need to have result with higher precision of rtt time, e.g.: 64 bytes from 10.10.10.2: icmp_seq=962 ttl=62 time=18.467 ms While ...
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68 views

Suppress ICMP redirect return on ping

I have a network that pinging from Windows shows a standard reply. When pinging from Ubuntu a 64big host redirect is returned. The network is designed with a DHCP helper in the router which I cannot ...
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150 views

Server receives arp reply but arp table is not being updated

I am running Ubuntu server 12.10 and it seems that there is something pretty weird happening. Let's say I have two servers, A and B both have a NIC with respective IPs 192.168.0.1 and 192.168.0.2. ...
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3k views

I can ping IP address but can not ping hostname

My address: user@pc1:~$ ifconfig eth0 |grep "inet " inet addr:192.168.2.10 Bcast:192.168.2.255 Mask:255.255.255.0 I can ping this address user@pc1:~$ ping -c 1 192.168.2.11 PING ...
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187 views

Can't reach PC over network until it pings me

I have two Ubuntu PC's in my setup. PC A is wired into the home router. PC B is wireless. When I reboot PC A, I can't ping PC B until PC B pings PC A. After that it works just fine. Also I think ...
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1answer
408 views

Unable to get ping output to text file

Below is my script to store the ping result on a text file, but the result stored in the output file is not complete, it is missing the last statement where ping stats are shown. Can anyone help in ...
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468 views

Can't ping new Ubuntu 13.04 install unless I first ping another computer from Ubuntu

I've got a weird problem here, my new Ubuntu install can access the internet, ping other computers on the wireless LAN, ping servers outside the network (ie: google.com), and ssh into itself using its ...
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1answer
376 views

Ubuntu 13.04 wifi issues (realtek 8188ce) [duplicate]

I have ping issues meaning that my ping is normal but I get lag spikes, ping reaching 500-600ms. I suspect there is something wrong with the drivers because on windows there is no problem. Also I have ...
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0answers
174 views

Is Ubuntu 12.04.2 blocking some pings?

We are using a distributed monitoring with Zabbix. In the past we have used a OpenSuSE 11.4 with Zabbix (old Proxy) on the proxies. Now I have build a new Zabbix proxy on Ubuntu 12.04.2 LTS and I get ...
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141 views

Ad Hoc Network IP Issue

I'm trying to set up an ad hoc network between an ARTiGO a1000 system (running ubuntu 11.10) and my computer (running mac os x), and I can't seem to get the connection working. I've tried setting up ...
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1answer
2k views

Unable to ping Ubuntu from Windows

I'm using wireless router for internet access and local wireless network. When I ping from Ubuntu to Windows XP over a wireless LAN, it works using either IP or hostname of the Windows device. But ...
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5answers
5k views

Atheros AR9462 WiFI very unstable & package loss

I'm having severe issues w/ package-loss and a generally bad connection w/in a WiFi-network at my uni. I'm usually encountering a package loss of ~50% and aborting connections which makes working w/ ...
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1answer
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Ubuntu 12.04 ping 8.8.8.8 does not work on one network only

I'm using Ubuntu 12.04. I can connect to and use the internet on one wireless network (say A) and not on the other network (say B). I can connect to B and get an IP address. When I ping 127.0.0.1 it ...
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3answers
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A “failed to fetch” error occurs when apt-get update is run. How do I fix this?

Contrary to the note above, I haven't found the answer to my problem. I have read almost a dozen apt-get update questions, most from askubuntu.com, with "failed to fetch" errors and tried the ...
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235 views

13.04 - Random Lag Spikes on Wifi

I get random lag spikes on my wifi connection. Here's what pinging a computer on the local network does: 64 bytes from 192.168.1.99: icmp_req=10 ttl=64 time=2.06 ms 64 bytes from 192.168.1.99: ...
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internet problem

I am pinging another system -- its working but when other system is trying for pinging , it's not working. This problem is occuring in windows too I have already changed my lan wire. When attempting ...
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211 views

Server running on ESX can ping outside and inside but cannot be pinged (or ssh) from the inside

Have identical vm's that do not have this problem Those identical machines are the only machines that can actually ping and ssh to this certain box. Disabled firewall Added new nic that was e1000 and ...
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1answer
223 views

My network disconnects and reconnects all the time

Every few minutes my internet connection fails and then reconnects automatically, though the Network indicator never changes. I can post some logs if needed, I just don't know what, any help would be ...