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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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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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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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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Ubuntu 12.04 ping 8.8.8.8 does not work on one network only [closed]

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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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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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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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
267 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 ...
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1answer
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WARNING: kernel is not very fresh, upgrade is recommended

Sometimes when running ping, I see the following: $ ping somehost PING somehost (192.168.x.x) 56(84) bytes of data. WARNING: kernel is not very fresh, upgrade is recommended What causes this ...
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1answer
877 views

Output not redirecting to file

I'm experiencing weirdness (or rather showing Linux ignorance). I want to learn the probability distribution of ping requests, so I thought I'd ping some random site for a while, grep the output to ...
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1answer
467 views

IPv6: ping6 from foreign host works, but cannot ping6 on same host

I have a strange issue with ipv6 on Ubuntu 12.04. There are two hosts, directly connected to the internet. Both have assigned a /64 network. They are properly configured with a /128 endpoint each ...
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3answers
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How to show failed ping?

When we are using windows ping , it will show the failed pings. Does Ubuntu have similar function? The failed ping is quite useful when debugging the network. How you guys solve this? Well, I only ...
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3answers
642 views

Upgraded from 10.04 to 12.04, lost internet connectivity

Since I upgraded my HP Proliant Server from Ubuntu 10.04 to 12.04, I am unable to: ping google.com ping 8.8.8.8 browse the internet with Firefox git fetch origin cap deploy from a remote machine I ...
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Counting route changes with Ping tool

I am busy doing mesh testbed work, and I am evaluating the performance of this network by the use of several metrics. One of these is the amount of route changes the protocol performs. I note that ...
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597 views

Stateless auto configuration IPv6 in ubuntu 12.04

I have installed ubuntu 12.04. i heard that ethernet interface automatically get a link local address but in my ubuntu box it's not getting link local address. Command ifconfig -a output Link ...
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1answer
1k views

Destination unreachable with ping6 between two local machines

I have 2 Ubuntu machines one acting as IPv6 wireless router (running hostap and radvd on wlan0) and the other is connected to that router. the router wlan0 interface has the address 2001:db8:1:1::1/64 ...
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2answers
967 views

Why am I unable to ping the same interface after configuring an IPv6 address

I setup IPv6 in my Ubuntu 12.04 on eth0 using command ifconfig eth0 inet6 add 2001:db8:fedc:cdef::1/64 but when i try to ping eth0 itself using ping6 2001:db8:fedc:cdef::1 it always gives ...
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Cannot Ping from server when logged in from another machine

So I found out my problem when I would use the curl method on my linux Ubunutu 12.10 Server at home while logged in from my laptop (Mac OSX Lion). Nothing was happening when I would use the curl ...
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2answers
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Can resolve hostname via dns using `host` but can't ping/ssh/ntp

I'm setting up a local network and have configured a DNS server. I can resolve hostnames by querying the DNS server, but no programs can look them up. I uninstalled libnss-mdns and removed ...
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1answer
380 views

ubuntu as router, 2 nics, 2 lans, outside lan can not connect to inside lan

How can I make LAN on 192.168.1.xxx (eth2) forward packets to other LAN (eth0) 10.42.0.19 (Win7 PC)? Both the LANs are connected to Ubuntu PC. I can ping from PC connected to eth0 to PC connected to ...
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Ping from one network host to another network host

Need the help to ping vice versa from one network to another network. In between there is 1 ubuntu server. Eth0 is connected with 192.168.88.0/24 and eth1 is connected with 192.168.100.0/24 network. I ...
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I can't upload out of proxy chanels, but I can download & open pages well?

This problem is annoying me for 2 weeks! Unexpectedly, after migrating to Ubuntu I can't upload any thing via ADSL, also I can't send any comment in weblogs. The odd point if I use proxy/ant-ifilter ...
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1answer
465 views

Windows xp able to ping ubuntu but not vice versa

I am trying to get both my virtual machines to ping each other. My first virtual machine is running on Ubuntu (brdige connection, using a external network adapter) IP: 192.168.1.148, my second virtual ...
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2answers
313 views

DSL modem drops connection intermittently

I have a dual-boot machine: Windows 7 and Ubuntu 10.04. The computer is connected directly to the Baudtec modem by a LAN cable. The modem is connected to the phone jack. Under Windows, the internet ...
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What does “ping: sendmsg: No buffer space available” mean?

I had an intermittent issue (which resolves itself spontaneously, after using a different connection for a while) that caused Internet requests to fail, with one particular wireless network. After ...
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Ping for 4 times

Usually I use ping to check my internet connection. In windows, if I use: ping google.com I get only 4 information ping, but on Ubuntu, if I use that command, the ping can' stop until I stop it ...
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2answers
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My Ubuntu Server 12.04 box cannot ping my ADSL modem

My Ubuntu Server (12.04) box doesn't ping my ADSL modem. I've setup a simple network which connects a XP box, a Ubuntu Server box and an ADSL modem. The XP box pings the Ubuntu Server and the ADSL ...
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3answers
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Wifi connected but no data transfer: “ping: sendmsg: No buffer space available”

I have a Desktop which runs on Windows XP and a laptop which runs in Ubuntu 12.04. Recently I have set up a wireless router in order to be able to access internet on my laptop through wifi. The ...
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2answers
758 views

Linux got IP from DHCP, but still can't connect to WPA2 WIFI

Here I got a problem. I have a Wireless Router which is Buffalo WCR-HP-GN, and I setting a WIFI which use WPA2-PSK authentication and the passphrase encrypted by TKIP. The password is a 9-letter ...
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1answer
522 views

Cannot ping localhost after a half day of uptime

This just started like 4 or 5 days ago. I'm running Ubuntu 12.04 desktop, and after about 12 hours of uptime it seems the loopback device just stops working. If I do an ifconfig, it looks like it's ...
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430 views

Why can't I ping “http:/ushou-appeng01/ufm/…”? [closed]

I am not able to ping http://ushou-appeng01/ufm/Firmware/packages in Kubuntu 10.04. This link is accessed in my ltib file. When I tried to ping this link from the bash shell, it gave me a "Host Not ...
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Cannot ping any computers on LAN

I havem't been able to find a straight forward answer on this yet. I'm hoping people here are able to help! Keep in mind that I'm a complete beginner at this - this is the first installation i've ...
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1answer
6k views

VirtualBox: How do I ping a Windows guest from the Ubuntu?

I use Ubuntu 12.04 (64-bit) as host OS and Windows 7 as guest OS. How can I ping the Windows 7 system from Ubuntu? And is that possible even when Internet is off?
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Computer becomes unreachable on lan after some time

I work on my laptop and ssh into my desktop. I use a lot of key based authentication for many servers for work but recently I couldn't login because ssh would pick up and try all the keys and it stops ...
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2answers
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How to command “Ping” display time and date of ping

When I ping I have this display: > ping -i 4 www.google.fr 64 bytes from wi-in-f94.1e100.net (173.194.67.94): icmp_seq=503 ttl=46 time=45.5 ms ....... ....... 64 bytes from wi-in-f94.1e100.net ...
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2answers
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Problem with Samba + NetBIOS. Can't ping Ubuntu from Windows

I cannot ping my Ubuntu box from Windows. I have Samba installed and I have checked iptables and NetBIOS ports are not blocked. smbd and nmbd are both running. I'm running Ubuntu 11.10 Server. I was ...
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1answer
3k views

Ubuntu machine not responding to ping from Windows machine on same network

I want to fix this because it seems the reason why I cannot share ubuntu folders with my Windows machine. Windows 7 machine network configuration: IP: 192.168.2.2 Subnet Mask: 255.255.255.0 Gateway: ...
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1answer
915 views

Cannot ping between computers, but I can connect (only one way though)

I am new using Linux, so I would really appreciate a simple as possible answer. I cannot ping between two computers, neither to nor from. I can ssh from one computer to another, but not the other way ...
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1answer
2k views

Cannot ping/ssh computers in LAN (including gateway) but can still access the internet

Hello people from AskUbuntu: As the title says, even though I can access the internet, for some reason, I can't ssh/ping computers in my LAN. In addition, only computers from outside the LAN can ssh ...
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1answer
4k views

pingtest.net gives “Packet Loss Test Error”

This is what I get when trying the pingtest.net on Ubuntu 11.10 I don't have any firewall running on my router. Is there a firewall running on Ubuntu that I don't know about?
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1answer
4k views

How do I ping the Ubuntu host system from a Windows guest in VirtualBox?

I connected to a wireless point and use "ifconfig" but I don't see any IP in eth0. Where's my IP address? Sorry if this is a silly question. :) I want to use "ping" in Virtualbox Windows 7 guest. ...
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1answer
7k views

how to ping & use specific network card

i have 3 network cards , 1 Lan (wired) , 1 wireless network card & 1 is wireless usb how do i ping from specific network card ? & how do i use specific network card for specific ...
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2answers
1k views

sudo apt-get install returns a 404 error but ping returns packets. Is it a problem with my network configurations?

I'm trying to install openjdk on an Ubuntu 11.04 VM in a Mac. However, I'm running into 404 errors on the command line which I can't diagnose why. sudo apt-get install openjdk-6-jre-headless ... Err ...
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2answers
7k views

nslookup finds ip, but ping doesnt

I know this looks like all the other "can ping via ip but not dns" questions, but those didnt really help me at all. Also, having hosts files in all machines is not doable as this server will ...
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2answers
5k views

Duplicate ping response when running Ubuntu as virtual machine (VMWare)

I have the following setup: My router - 192.168.0.1 My host computer (Windows 7) - 192.168.0.3 And Ubuntu is running as virtual machine on the host. VMWare network settings is Bridged mode. I've ...
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1answer
756 views

Why can't I access localhost without an internet connection?

For some reason I cannot access localhost without an internet connection in Ubuntu. As soon as I disconnect from the internet (with the networkmanager GUI), both ping localhost and ping 127.0.0.1 ...
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499 views

cannot ping hostname - can ping IP and ssh [duplicate]

Possible Duplicate: How to reach a host in the same network by hostname? I have ubuntu server, I can ping IP of the machine, but can't hostname.local - maybe if I've server up for 30-40mins ...
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1answer
2k views

UbuntuOne for Windows does not work - I got “Problem opening the ping_url” error

When I try to login to existing account I got "Problem opening the ping_url" error.
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1answer
4k views

How to install and setup SmokePing?

Any have good link to how to for SmokePing that is upto date for 10.10 or 10.04(aka mint11)?
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2answers
4k views

can not ping by host name for some computers

I have 11.04 installed. It is joined to a domain. I am able to ping some of my computers by their name, but some I can't. Those I can't are our NAS machines (Readynas Netgear). I can ping them only ...