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I have a computer at home with ip 192.168. 221 .xxx I have another computer at work that I can ping and it has 2 ip addresses: 192.168. 1 .xxx and 192.168.0.xxx. Those last 2 addresses have the same gateway ie 192.168. 1 .1 . the computer at work is connected...
Answer Snippets (Read the full thread at superuser):
If you connect to localhost:8000, the connection will....
Run a command like this:
ssh -L 8000:192.168.0.xxx:yyyy user@192.168.1.zzz
Once you authenticate to your work machine, ssh will be listening locally on port 8000 .
An easy way is to use SSH forwarding.
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Running Ubuntu 9.04. I can ping hosts all day long but when I try to ping a host that doesn't exist, it instead sends pings to 8.15.7.100, which turns in to packet loss, but I'd prefer it if it told me the host cannot be found.
$ ping google.com PING ...
Started by DanInDC on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at superuser):
Their purpose is generally to send a web-browser to a "search" site to make money by displaying... .
Some ISPs configure their DNS servers to hijack DNS responses for non-existent domain names .
You'll need to determine where your system is getting the weird IP .
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I (and a colleague) have just noticed, and tested, that when a Linux machine is pinged, after the last ping it initiates a unicast ARP request to the machine that initiated the ICMP ping. When pinging to a Windows machine, the Windows machine does not...
Started by Rabarberski on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at serverfault):
This is to prevent presuming you're doing....
Linux sends various unicast ARP requests to update it's ARP cache .
It could be useful information for tracking down ping spam.
The machine answers a ping series or certain number of pings.
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Hi,
I have a strange issue, hosting at Softlayer Washington data center.
Test from an EC2 instance to my server at Softlayer :-
[root@EC2-box ~]# ping -f -c 100 MY-SL-BOX PING MY-SL-BOX (MY-SL-BOX) 56(84) bytes of data. --- MY-SL-BOX ping statistics -...
Started by sajal on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at serverfault):
Packettrace
Another idea have you tried doing it while specifying an interval to slow it down a bit
ping) will, if they allow ICMP transit at all, throttle ICMP ping requests/responses to avoid performance (CPU or network) being impaired....
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Hi I'm not a sysadmin but I have two FC11 boxes that are behaving strangely after the circuit breaker tripped (overload elsewhere - fixed). A can ping B but when B (or any other node on network) pings A I get 'destination host unreachable.
all nodes are...
Started by Ron on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at serverfault):
This ....
Some questions:
Do all the machines in question have ping (in both directions), do valid ARP entries for the destination host appear in the source host's to ping it.
That A can ping B, but B can't ping A is very odd.
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Started by clamcclucavann on
, 1 posts
by 1 people.
Answer Snippets (Read the full thread at pacificfans):
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While trying to setup a MSSQL clustering solution, I am running into a problem that is outside of my expertise that is related to networking.
I was trying to find a free IP to used for my node. I asked the network admin to give me a free IP address. And...
Started by Jimmy Chandra on
, 7 posts
by 7 people.
Answer Snippets (Read the full thread at serverfault):
Linux can use that the ping response might be an ICMP error message -- you can try dumping the actual packets with tcpdump error message?
If your....
ping -a <IP> in Windows.
Try to resolve that IP address into a hostname.
Addresses).
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I have Vista Home Premium (x64) machine at home. I have www.google.pl set up as my default search engine in IE8.
Sometimes (since one month or so) when I search for something IE gives me "dns error" message and it cannot find www.goole.pl for 10-15 minutes...
Started by SeeR on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at serverfault):
Nslookup and ping -4 "work.
To be from your DSL router then the problem is most likely there .
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Im getting frustrated because of OpenDNS and other services (ie: roadrunner) that now always returns a ping even if you type any invalid url ie: lkjsdaflkjdsjf.com --- I had created software for my own use that would ping a url to verify if the site was...
Started by schmoopy on
, 11 posts
by 11 people.
Answer Snippets (Read the full thread at stackoverflow):
I've found ping to be very unreliable/
For the record, lkjsdaflkjdsjf.com is a....
Such as sending me a page when a service is down .
To see if a service is up, not only should you ping like that.
The HTTP server is accepting connections.
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I tried the following command unsuccessfully
sdiff <(ping www.nato.int) <(ping www.reuters.com)
Is there any way to have a real-time comparison between ping times?
Started by Masi on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
How about:
watch 'ping -c 4 www.google.com; echo; ping -c 4 www.yahoo.com'
Gives result such as this:
Every 2.0s: ping -c 4 www.google.com; echo; ping -c 4 www.yahoo.com Tue Apr 7 13:57:47 2009 PING --- www.l.google.....
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