1
vote
0answers
21 views

ping: sendmsg: Operation not permitted (sometimes)

On a Ubuntu 14.04 running Haproxy, after a service haproxy reload, Haproxy is suddenly reporting all servers behind it as down. After some digging around, I noticed that ping is not working properly, ...
-4
votes
2answers
46 views

How to manage PING replies? [closed]

How can I manage, for example, my Ubuntu mashine so it doesn't (or does) respond to PING(ICMP ECHO_REQUEST - type 8) requests? Normally almost all computers in a LAN network responds to ping with an ...
1
vote
1answer
90 views

2 servers with 2 ip adresses cant ping each other

I rent 2 root servers from my provider that run Ubuntu 12.04.01 LTS. I ordered a second ip for each of them and configure them in /etc/network/interfaces as follows: iface eth0:1 inet static ...
0
votes
1answer
346 views

Setup machines network in Windows Azure

I'm building a web application and I've decided to host it on Windows Azure. My application has three components: A front-end created with Play Framework (machine A) A back-end core written in Java ...
0
votes
0answers
61 views

VLAN configuration on Ubuntu

I need some help with vlans because I'm a bit confused. I setup a transparent vlan over a topology like the one bellow: Host_1 (vlan 11) <---> [switch] <--(vlan 11)--> [switch] <---> Host_2 ...
0
votes
1answer
137 views

AWS EC2 instance not pingable or available in browser

I've seen this questions asked other places, but now I've run through every fix proposed in other questions so I'm re asking it here, in hopes that someone will have a different solution. Problem: I ...
1
vote
0answers
94 views

openvpn setup ping/routing fail

My problem is that after setting up VPN on a virtual machine (Ubuntu Linux) with that has an IP I cant ping anyone at all over the tun interface from the client. VPN Connection is however successful. ...
0
votes
1answer
176 views

Can't ping6 a network interface from a different Ubuntu computer

I cannot ping6 the network interface "tun0" on the host computer from a virtual machine. Using vmware, I installed a Ubuntu 12.04 virtual machine, that is connected to the host machine with NAT. ...
0
votes
1answer
134 views

Can't establish connection between my VPS and itself

I have a VPS with two IP addresses: 74.117.158.92 and 74.117.159.204. If you ping them, you'll find they are both responding. I can also ping google.com etc. from either of them. But I cannot ping ...
0
votes
1answer
67 views

Linux server responds to postgresql querys and ssh only when pinging the server

I have a problem. My developers are using one of my local servers that is located in our office. The server is running PostgreSQL and when they try to make a query to it, it just lags and then gives ...
0
votes
1answer
87 views

Ping sometimes resolves the name, sometimes not

Is this a normal behavior, that ping sometimes displays the server name, sometimes only the IP? OS: Ubuntu 12.10 ~# ping development.example.local PING development.example.local (192.168.0.25) ...
0
votes
2answers
186 views

Can ping google.com, but can't ping cnn.com

I have just upgraded from 10.04 to 12.04. I didn't notice the problem at first. But when installing horde with the pear installer it failed to download all of the packages. So I did a little hunting ...
0
votes
1answer
1k views

Server can't ping or connect to self

This SF Answer helped me after nerve's answer below: No network loopback device after security update ubuntu 12.04 Original Question I've been Google-ing and banging my head against the wall for a ...
0
votes
1answer
228 views

ubuntu set up as router lan pc can ping one direction and get shares but other direction can not ping or connect shares

I have ubuntu router questions. you can see tracert can complete on way but not other way. How to make that work? (a better visual layout exists here) ...
1
vote
1answer
258 views

2 nic cards in ubuntu PC, one to router, one to win7 pc, make connected pc on router talk to win7 on 2nd nic

There are 2 win7 pc, 2 100 mb/s routers and 1 ubuntu 12.04 pc. I scanned a diagram of the Lan setup with IP's ...
0
votes
0answers
197 views

Odd DNS behavior on multiple Ubuntu 12.04 VMs. NSlookup and Dig resolves hostname but ping cannot

In attempting to set up a VoIP server, I came across some interesting behavior from Ubuntu. My VoIP account was assigned a unique hostname that I am to connect to, however, Ubuntu is unable to ...
1
vote
0answers
53 views

Configuring klg looking glass on Ubuntu [closed]

I am trying to configure klg looking glass and followed the klg_README.txt file. I think this klg_README.txt file is sufficient for expert guys. I am new with this tool. I have tried and could not add ...
0
votes
3answers
955 views

Ping host computer from installed Ubuntu on virtual box

I have installed Ubuntu 11.10 on Virtualbox 4.1.8. My own OS is Windows7 x64. I need having a connection between these operation systems, but there are many choices. NAT, bridge, Host-Only, etc. I ...
0
votes
1answer
150 views

ping service making hundreds to thousands of ping type requests per minute, os tweak advice?

If a server is monitoring thousands of endpoints (http, https, ping, etc) and these checks are done every minute, what o/s issues should I be researching? 1K+ requests per minute is what I want to ...
2
votes
1answer
517 views

can't ping/ssh new libvirt instance

I have a working virtual host that was Ubuntu-Server Lucid (10.4). I've been using it for a while and has several functional guests created on Lucid. Today I upgraded to Maverick, then to Natty ...
3
votes
2answers
2k views

Configure static IPv6 on Ubuntu

I'm trying to configure IPv6 on a dedicated Ubuntu server. My provider gave me a "/64" (whatever that is - I'm still confused) of IPv6 addresses. However, when I try to use them, I can't ping ...
1
vote
2answers
740 views

What does this output from HPing mean?

hping command: hping3 -G --rroute $domain -i u1000 Result: len=80 ip=127.0.0.1 ttl=64 DF id=0 sport=0 flags=RA seq=176 win=0 rtt=0.2 ms (same route) len=80 ip=127.0.0.1 ttl=64 DF id=0 sport=0 ...
0
votes
2answers
1k views

Ping fails: is a webserver configuration issue or not?

When I ping a dedicated ip on my server I get the following: ping XXX.XXX.95.175 PING XXX.XXX.95.175 (109.72.95.175): 56 data bytes Request timeout for icmp_seq 0 Request timeout for icmp_seq 1 ...
0
votes
1answer
760 views

Ubuntu can resolve DNS but cant PING our Download

I'm trying to make an ubuntu development server work. All machines on the network (mac and windows) get internet and lan access but ubuntu only works on the lan. I have two interfaces: eth0 (static) ...
1
vote
3answers
148 views

Can ping/nmap server, nothing else

I was SSHed into our ubuntu LAMP server , and was just doing a svn update, which hung. I disconnected, and since then, I have not been able to SSH in or view any of our websites (neither from my ...
2
votes
2answers
3k views

Authoritative DNS will not respond to pings or digs on domain

I am making an Authoritative DNS for a new site. The site responds nicely to all pings and most digs on its IP address, however rejects anything to its domain name. I would presume this is due to a ...
9
votes
3answers
9k views

Why can't I ssh into (or even ping) my Ubuntu VM from the Mac OS X host?

I'm running Ubuntu 8.04 as a virtual machine using VMware Fusion 3.0 on Mac OS X 10.5.8. I want to be able to ssh into my VM from the Mac OS X host (so I can use MacFUSE and SSHFS to mount the VM's ...
0
votes
2answers
5k views

pptp on Ubuntu server can't ping other machines on the LAN

We have a simple pptp setup on our windows 2k3 server. So far all clients can connect just fine, mac and windows. However I tried connecting an ubuntu server using pptp and the connection is fine I ...