Tagged Questions

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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0
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1answer
683 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 ...
1
vote
1answer
440 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 ...
2
votes
1answer
5k 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 ...
1
vote
0answers
231 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 ...
0
votes
1answer
724 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 ...
2
votes
1answer
410 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 ...
1
vote
0answers
233 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 ...
1
vote
1answer
3k 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 ...
8
votes
5answers
8k 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/ ...
0
votes
1answer
2k views

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 ...
5
votes
4answers
65k views

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 ...
1
vote
0answers
267 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: ...
1
vote
0answers
251 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 ...
1
vote
1answer
281 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 ...
2
votes
1answer
1k views

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 ...
2
votes
1answer
985 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 ...
0
votes
1answer
520 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 ...
6
votes
3answers
3k views

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 ...
3
votes
3answers
669 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 ...
1
vote
0answers
29 views

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 ...
2
votes
0answers
636 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 ...
4
votes
1answer
2k 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 ...
1
vote
2answers
1k 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 ...
1
vote
3answers
1k views

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 ...
3
votes
2answers
15k views

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 ...
0
votes
1answer
401 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 ...
1
vote
1answer
510 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 ...
2
votes
2answers
327 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 ...
7
votes
2answers
16k views

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 ...
3
votes
2answers
25k views

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 ...
0
votes
2answers
239 views

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 ...
2
votes
3answers
6k views

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 ...
4
votes
2answers
782 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 ...
2
votes
1answer
591 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 ...
1
vote
1answer
437 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 ...
-1
votes
1answer
6k views

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 ...
2
votes
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?
0
votes
2answers
1k views

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 ...
5
votes
2answers
9k views

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 ...
0
votes
2answers
2k views

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 ...
2
votes
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: ...
0
votes
1answer
952 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 ...
0
votes
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 ...
1
vote
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?
4
votes
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. ...
5
votes
1answer
8k 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 ...
1
vote
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 ...
16
votes
2answers
8k 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 ...
4
votes
2answers
6k 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 ...
1
vote
1answer
802 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 ...