A tool commonly used to test the reachability of a given host, either on the internet or in a local network.

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154 views

Ping from Outside: How do I make my system invisible?

I just did a test that told me my gateway (debian squeeze) responds when being pinged from outside. It's a box with two network cards, eth0 is for my internal network (192.168.1.0/24) and eth1 goes ...
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242 views

How to make dns resolve faster

I changed name server of one domain. Then I flush dns root@host [~]# /etc/init.d/named restart Stopping named: [ OK ] Starting named: ...
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313 views

need portable crontab host-checking/failover logic across Linux & Cygwin

A host-ping test that always works correctly from the interactive bash command line in Cygwin, is behaving incorrectly in its own crontab--always selecting the second host--and I can't figure out why: ...
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1answer
156 views

Using ping on multiple interfaces on a NIC

I have two systems and each have a NIC with two ethernet ports. One system has a verified NIC card, but the other has a NIC which has to be verified. I use ping to verify whether the interfaces on ...
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81 views

High ping/latency on Xen box

I am having problems with my Xen box. Once in a while it has too high ping/latency and it is very annoying. It does not matter if I am pinging server from outer network (LAN0) or inner network ...
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25 views

IP access okay but ping dosen't work

I have a laptop connected to a Wi-Fi, and let's say I am testing the connection to a website ("randomwebsite.com", IP:123.123.123.123) Through a terminal I have tested ping: ...
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46 views

Why can I ping google.com but not www.google.com [on hold]

I can $ping google.com and get data back PING google.com (74.125.227.96): 56 data bytes 64 bytes from 74.125.227.96: icmp_seq=0 ttl=56 time=26.939 ms 64 bytes from 74.125.227.96: icmp_seq=1 ttl=56 ...
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223 views

traceroute gives only stars + how to fix

Please advise about the following problem. When I do: $ traceroute 8.8.8.8 I get in the output showing only stars, even though pinging to google.com ( 8.8.8.8) appears to be working. Please ...
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3k views

How do I access files on an external hard drive?

edited 02-25: I thank @Anthon for his replies. I still do not, however, understand the meaning or the how of "pinging" ("Once you update your Q, ping the commenters..."). I also do not understand the ...
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147 views

Ping a list of IP addresses and outputing duplicates

In Linux how can I ping a list of IP addresses (in a text file) and only output those that have duplicate ping replies?
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300 views

I require some help with traceping

Does anyone have an idea what Traceping is and where I can find good info about it? Googled for it but could not find some. Is there anywhere I could find out how to use traceping on Ubuntu? I tried ...
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95 views

Why ping an IP is different to ping a website?

I've noticed a strange behaviour (at least, I can't get out). Ping IP, specifying packet size: ping -s 128 8.8.8.8 I get: PING 8.8.8.8 (8.8.8.8) 128(156) bytes of data. 72 bytes from 8.8.8.8: ...
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81 views

Get a faster response for a ping

I noticed that the answer to my ping is slower in one debian machine that another. For the first one when i ping to 8.8.8.8: 64 bytes from 8.8.8.8: icmp_req=1 ttl=47 time=29.6 ms For the second ...
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1answer
1k views

Continues Pinging to background, save logs and show statistics

I'm trying to make a script that save the ping logs to .txt or .log file. To monitor if my connection is intermittent or not, I'm using this script: $nohup ping 8.8.8.8 > timeout.txt & Then ...
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232 views

ping timeout differences between OS X and Linux/other OSs

This function I wrote should exemplify the idiosyncrasy between OSX and Linux ping commands, in particular their -W timeout option: # Checks if a host is up-and-running and responding to pings ...
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1answer
66 views

Route a local connection via an ethernet link in QNX

I am currently facing a challenge in QNX, where I have 2 Network Interfaces - viz. one Network port from PCIe Ethernet Expansion card (wm0) and other from the normal Ethernet port (en0). I have ...
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27 views

No answer on Broadcastping

Actually I'm making an android app, but as the problem appears by using android's Linux runtime, I'm asking my question here. The thing is, that I need to ping the network's broadcast address to ...
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56 views

Ping wireless interface from wired interface

I'm performing some wireless measurements. The setup I'm now using is composed of a WiFi AP and two laptops. One laptop (A) and the AP are connected to a common switch, while the second laptop (B) ...
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2answers
151 views

Unable to ping the IP during first boot

I am trying to add some routes in /etc/init.d/S98 script but it is failing to ping the gateway IP and hence route addition is failing. But once all the S98 scripts are executed I am able to ping the ...
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195 views

unable to ping gateway and CLAN in Linux but pingable in Windows PC

We're installing RHEL 5.5 for our Voice Portal (Avaya). After configuring the IP address, gateway IP, and netmask we tried to ping it so we could see if it was pingable/active or not. Sadly its ...
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121 views

Send update ping to ping services in Terminal?

I want to send ping from http://www.mysite.com/rss.xml to http://rpc.pingomatic.com Is there any way using terminal to achieve this?
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268 views

Host reachable via SSH from my desktop but not my laptop

I try to use ssh to log in to a remote host. This works for my Ubuntu desktop, however, it fails from my Fedora 14 laptop. The failure means after I type ssh username@host and pressed Enter, ...
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329 views

Bash Ping to return 'alive' IP addresses

(Disclaimer- I know this can be done more easily with nmap, but its supposed to be practice for bash shell scripting). $ scriptname 192.168.42 18 23 Checking: 192.168.42.18 19 20 21 22 23 Live ...
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76 views

Why I can't ping anymore?

In my Ubuntu 14.04 I have two ethernet interface. Eth0 is connected to main internet using DHCP auto and eth1 is to share with other PC's. $ cat /etc/network/interfaces auto lo iface lo inet loopback ...
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2answers
2k views

Loop over multiple addresses: ping and drop data into file

I would like to be able to have a script that will: look at a list of IP addresses Ping one of the addresses Take the data and drop it in to a file Move on to the next IP So far I have: cd ...
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1answer
266 views

Why doesn't “ping -vrf” works when ping works?

0:root@SERVER:/root # ping IPADDRESS PING IPADDRESS (IPADDRESS): 56 data bytes 64 bytes from IPADDRESS: icmp_seq=0 ttl=254 time=0 ms 64 bytes from IPADDRESS: icmp_seq=1 ttl=254 time=0 ms 64 bytes from ...