79
votes
7answers
7k views

Is it possible to ping an address:port?

I am not into networking, and I have the following question related to the Linux ping command. Can I only ping an address? For example: miner@raspberrypi ~ $ ping onofri.org PING onofri.org ...
0
votes
0answers
29 views

Ubuntu: Gateway does not forward broadcast PING

I try to set up a test environment using Ubuntu VMs to generate IDS data for the Smurf attack. For that I need broadcast PING to work. The setup is pretty simple. There is a victim network and an ...
1
vote
1answer
229 views

Cannot ping from one physical machine's internal network to another physical machine's external network

I wanted to know why I am not able to ping from a physical machine's network interface (a private network) to another physical machine (this one has two network interfaces: a private interface that ...
1
vote
1answer
54 views

Unable to connect Ubuntu remote machine

In Ubuntu I've installed Tomcat and deployed the web application. I started tomcat and trying to access from Windows like below http://54.85.125.1:8080/manager Error could not connect to ...
2
votes
0answers
184 views

'ping git-scm.com' returns 'ping: unknown host git-scm.com'

Since a couple of days ago I'm not able to access git-scm.com and when trying to ping to the domain: ping git-scm.com I get a: ping: unknown host git-scm.com How can I check for errors in my ...
0
votes
0answers
37 views

How do I setup DNS in a ubuntu VM of VMware on a WIndows 8 64-bit desktop?

Host Machine: running WIndows 8 on a laptop Guest: Ubuntu 9.04 VM on VMWare I can not ping the host machine from the guest and vice versa. I cannot pint the internet from the guest also. THe ...
2
votes
1answer
79 views

puzzling DNS behaviour (ubuntu)

(All IPs and names have been censored, hopefully) This morning we had some connectivity problems in one of our servers. It turns out that changing our connection configuration to be IP-based (not ...
3
votes
3answers
2k views

Unable to ping a Windows machine from Linux

I have Windows installed on my laptop, connected to the router wirelessly with IP 192.168.1.5. My desktop is running Linux, connected to the same router (wired) with IP 192.168.1.2. When I do a ping ...
0
votes
0answers
77 views

I want to ping an IP via a router on Ubuntu

I have a router which runs openwrt with 3g and an ubuntu PC. I want to be able to ping an IP: 8.8.8.8 from the PC, but have it routed through the router. Does anyone know how I'd go about setting ...
0
votes
1answer
134 views

unable to ping google or smb personal server

I am unable to ping google or my personal server. I suspect this is also why I have issues connecting to my server using smb. Here is the output: [~]$ ping http://google.com ping: cannot ...
1
vote
0answers
318 views

Why do pings to my router take to long? Could it be CPU?

I have an Ubuntu server that is running as a router. The internet will be really slow a lot of times so I checked the ping to the router and it will go up to 1400 at some points. I have top, iftop and ...
2
votes
1answer
456 views

websites resolving in browser but not resolving in CLI. Can ping IP but not domain name (unknown host)

Hi guys I'm currently developing using rails and for some reason bundle install is returning the following output Error Bundler::HTTPError during request to dependency API Fetching full source index ...
0
votes
2answers
284 views

I cannot connect to home server after a few hours

I have an old PC and I decided to revive it. A LAMP (for my own use) and a P2P server (torrent and e2dk). My old PC is an AMD Athlon XP (1400 MHz) with 384 Mb of RAM First of all I installed Ubuntu ...
0
votes
2answers
388 views

Ping to router not possible from ssh connected machine

I have a ubuntu pc with openssh server installed in my home network. I can connect via SSH to it without any problems. Being connected, every bunch of minutes this machine is not more able to ping ...
1
vote
1answer
2k views

Ubuntu - Unable to ping windows computers

I have a very strange problem. I am unable to ping windows PCs on my local network, whereas they are able to ping my ubuntu laptop. Another thing is I can actually VNC onto one of the PCs but cant ...
2
votes
2answers
2k views

Why can't I ping local ipv6 windows machines from Ubuntu?

If I ping6 external ipv6 hostnames or addresses (e.g. ipv6.google.com) it works, but if I try to ping6 an ipv6 hostname or address it doesn't work. If I ping the same address from a windows machine on ...
1
vote
2answers
789 views

How do I check if a server is alive when ping is disabled?

If I'm on a Windows 7 or for example on a standard Ubuntu machine and I want to check if a server is up, what are alternatives to ping? If ping is disabled and does not answer, what can I then use?
10
votes
2answers
28k views

how to ssh to a ipv6 ubuntu in a LAN?

I'm able to ping my Ubuntu box via command: (where c2h2ttt is listed in /etc/hosts) c2h2@c2h2crawler:~/ttt$ ping6 -I eth1 c2h2ttt PING c2h2ttt(c2h2ttt) from fe80::21b:21ff:fe22:e865 eth1: 56 data ...
0
votes
1answer
650 views

Ubuntu Guest on VirtualBox on MacOS ping does not work, nslookup works perfectly

I have an Ubuntu guest -- more precisely Yahoo Cloud VM on Virtualbox on the top of MacOS. I have configured VirtualBox to serve internet connection to the guest using NAT. Ubuntu uses dhcp to get IP ...
0
votes
1answer
397 views

cannot connect to some web site through pptp vpn

I have a PPTP VPN service on a Ubuntu server, and when I connect to it, I found I cannot connect to some web site, e.g. live.com. I tried to ping the web site, but failed. So I tried tracert on ...
1
vote
4answers
729 views

pings for unknown hosts ping 8.15.7.100

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 ...
-2
votes
2answers
1k views

Can't use ping in Ubuntu [duplicate]

Possible Duplicate: Can’t use ping in Ubuntu I'm not sure this question is relevant in this forum, but I really need your helps. I'm using Ubuntu 9.04, and when I do a ping to any ip or ...
0
votes
5answers
9k views

Can't use ping in Ubuntu

I'm not sure this question is relevant in this forum, but I really need your helps. I'm using Ubuntu 9.04, and when I do a ping to any ip or host, what I got were always 100% packet loss. This is ...