I have a server with centos 5 and plesk 9 and I have buy an additional IP address for my server, when i create it in plesk, there is no problem, all its ok I can assign it to a new domain, but the ip only responds ping, none of other services as http, ssh or smtp.I paste here the configuration of files
ifcfg-eth0
device=eth0
bootproto=dhcp
[code]....
I am using an virtual machine. where I need to ping from one machine to another. earlier I was able to ping. But after going to google.com once, I cannot ping back to this machine.
But if I gave ping -I eth1 <IP> then I can ping.
I cannot install any package, so tell me solution which includes not installing any package.
I have a problem on my LAN, then: I have a laptop on which Windows Vista is installed, and every time I try to do ping to my server centos, my centos server does not respond to ping. The server is operating normally, because I found other PCs on my network that communicate normally with my centos server.
View 1 Replies View RelatedI am not able to move original thread so I am linking to it: [URL]
View 2 Replies View RelatedSomething strange with my firewall i used firestarter I dont know why i cannot ping outside on a specific IP address here is my setup. I have IP from ISP
119.92.56.77 - eth0
192.168.50.1 - eth1
with DHCP features from 192.168.50.1 - 254. my problem is i cannot ping this specific IP address which is 119.93.232.234 if you can try there and pinging is ok but here cannot because that IP address (119.93.232.234) they used that to connect to our openvpn which is the IP is 119.92.56.78 <---- this system linux(centos) or IP has no firewall enabled. meaning i separeted this connection. which my setup is like this for OPenVPN
[code]...
Even ping google's ip address doesn't work. unknown host error using backtrack4 able to browse net with these settings.
My network settings:
What's the problem with these settings...
my network expertise is tenuous at best. This started because one computer on my network is having trouble updating Google Toolbar information. This is a laptop which joins other wifi networks outside of the house.
Code:
BROKEN:~$ ping toolbar.google.com
PING toolbar.google.com (208.68.139.89) 56(84) bytes of data.
[code]....
I have installed openvpn on an ubuntu 10.04 server. I run 11.04 on my desktop. It can connect to my VPN server. The problem is, I have ZERO internet access. I cannot even ping an IP address.
View 5 Replies View RelatedSince two days i m not able to browse websites using the domain names but able to ping/browse using IP addressed. I have done the following:
1. Using wireless i m able to get IP address of DNS (8.8.8., Gateway, localhost & router ip address
2. Disabled wireless and connected ETH0 but still the same problem
3. not able to edit resolv.conf
sudo gedit resolv.conf
** (gedit:4179): WARNING **: Hit unhandled case 0 (Error opening file: Input/output error) in parse_error.
[code].....
I'm using debian lenny.When I boot with kernel 2.6.36, ping always respond with Network is Unreachable. But when I boot with kernel 2.6.26 it works. I can't even ping the dafault router of 2.6.26 kernel when I am at 2.6.36. Also, system/administration/network does not show any connections while it shows something at the other kernel.
View 1 Replies View RelatedI run an centos server. From the console I can ping google.com and get a reply. But when I ping another address say xyz.com, the IP address is resolved (11.22.33.44) but there is no reply. In the same network in our office from my desktop I ping [URL] and there is a reply.I turned of the firewall but still the same problem.
View 9 Replies View RelatedA brief description of my network:It is a small home network consisting of an Ubuntu 10.04LTS server edition, an Iomega ix2 NAS, a WinXP pro server and several family laptops.This is all routed through a Netgear WNDR3300 home router. All are assigned IP's via DHCP and all but the laptops are static (via DHCP though). The WAN address/DNS is assigned via DHCP from my ISP.The problem:When one of the machines is offline, Ubuntu does not resolve the netbios name correctly. No surprise here. But what is happening is that it is finding some arbitrary machine on another network. Below is what a ping to an offline host reveals:
Code:
ping -c3 hostname
PING hostname (204.232.162.92) 56(84) bytes of data.
[code]....
I've only been using linux for a few days so I don't know all the tricks. I'm pretty savy configuring windows networks however.My adapter is (according to windows) a: CNet PRO200WL PCI fast ethernet adapterLinux says it is a: 21x4x DEC-tulip compatible 10/100 EthernetI do seem to be getting an ip address from the DHCP router, but I cannout ping any other ips or connect to the internet.I've tried a bunch of different options, switching things back and forth, but it still doesn't work, and honestly i don't even know what some of the options mean.
ALSO, if this helps:
paladin:~ # ifconfig eth0
Eth0 Link encap:Ethernet HWaddr 00:08:A1:03:3C:99
[code]....
I recently setup a new Linux server running Fedora 10. For some reason all ping response times are rounded to the nearest 10ms. For example, running the simple command "ping yahoo.com" give the following sample results:
64 bytes from ir1.fp.vip.re1.yahoo.com (69.147.125.65): icmp_seq=12 ttl=57 time=60.0 ms
64 bytes from ir1.fp.vip.re1.yahoo.com (69.147.125.65): icmp_seq=13 ttl=56 time=50.0 ms
64 bytes from ir1.fp.vip.re1.yahoo.com (69.147.125.65): icmp_seq=14 ttl=56 time=40.0 ms
64 bytes from ir1.fp.vip.re1.yahoo.com (69.147.125.65): icmp_seq=15 ttl=56 time=50.0 ms
I could post a larger result set but its all the same... every response is rounded to a multiple of 10ms. This wouldn't be a big deal except that the server is running Nagios for monitoring so accurate stats are important. The Nagios check_ping and check_icmp commands are also returning rounded off results. How can I get ping to simply respond with the actual response times rather than a rounded off number?
we are trying to install this NIC Rosewill RC-400 Chipset RTL8169S-32 in Ubuntu 9.04 we downloaded the drivers from Rosewill website (For kernel 2.4.x and 2.6.x V 3.1) but when we follow the instruction in the readme file and do make clean modules and error comes out
Code:
make -C src/ clean
make[1]: Entering directory `/home/trinity/Desktop/r8169-6.006.00/src'
rm -rf *.o *.ko *~ core* .dep* .*.d .*.cmd *.mod.c *.a *.s .*.flags .tmp_versions Module.symvers Modules.symvers rset[code]...
So I went do realteak downloaded latest available drivers that seems to be were release yesterday did same command and same error So I made only make and it went fine did then make clean modules and went fine so made make install, depmod -a and modprobe r8169 verify int was up and getting correct ip from router but I'm not able to access the internet or ping any IP address
Code:
xxx@xxx-desktop:~$ uname -a
Linux xxx-desktop 2.6.28-18-generic #60-Ubuntu SMP Fri Mar 12 04:40:52 UTC 2010 i686 GNU/Linux
xxx@xxx-desktop:~$
I have two machines
1. Ubuntu (static IP 192.168.1.1, running dhcp server)
2. Windows 7 (dhcp assigned IP based on mac - >192.168.1.2)
Now when I fire up both machines, Linux assigns IP to win BUT they dont ping. From ifconfig I know:
eth2 Link encap:Ethernet HWaddr 00:1b:21:7b:2d:68
inet addr:192.168.1.1 Bcast:192.168.1.3 Mask:255.255.255.252
inet6 addr: fe80::21b:21ff:fe7b:2d68/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
[code]....
Now I get time exceeded icmp every time I try to ping both from linux OR windows...
Ive got a problem on my server ....installed Debian 5 , Webmin and than syscp settung up syscp ready ....
I try to ping "localhost" ansver ping: unknown host
I try to ping "localhost." there is a host with IP 127.0.0.1
I need it to change it in "localhost"
Is that the bind9 maybe?
I have currently installed Slackware 13.1 64bit version on a laptop Acer computer. This computer is connected to my cable service (comcast) modem via a dlink router. This computer has linux and Windows 7 dual boot systems installed. Initially I was able to connect to the internet with either linux or Windows. Now I cannot get on the internet with linux, but I can with windows.
I cannot even ping the address of my internet provider,which I can obtain through windows 7 by running the program ipconfig. When I ping the address, in linux,it gives me the message that "network is unreachable".I can ping it in windows 7.If I run on linux the program ifconfig, it does not even show an ethernet, like it does on my other computer connected to this network.I set the thing up initially with netconfig and used DHCP.As I said, initially it worked.I did not use this computer for some time, and now it has the previously described problems.Where should I start, trying to run this down?I have already done everything I can think of,like powered things off, and reset the cable modem etc.
I have two machines on this network, one running Ubuntu and the other running Fedora.
When I'm using the Wireless network on the Ubuntu machine, I cannot ping the Fedora machine. Everything else works. I can browse the net fine.
If I switch over to the Wired Network then I can ping the other machine.
I don't understand why ping doesn't work only over the Wireless. I can ping the router so I'm guessing it's getting blocked by the router but I didn't block ICMP traffic.
I tried asking on IRC and they ran out of ideas too to find out where the problem is.
I just installed my first EVER bind DNS server. I am running bind9 on Ubuntu 10.04. Everything seems to be working great except one thing: If I ping a host that I have set up in bind by its HOSTNAME the pings take 5-6 seconds to reply/print to the screen between each echo response. If I ping by the host's IP address, they echo back very quickly.
I have read that IPv6 can cause this, but I have disabled it in /etc/sysctl.conf and the problem still exists.
I know everyone says this can't be a DNS issue, but this never was an issue with dnsmasq (which i was using prior), and it doesn't make sense that the ping are ONLY slow when pinging by hostname and not IP.
Configs below:
Ping by hostname - there is a 5-6 second delay between each one of the responses:
Code:
Ping by IP - the responses come VERY quickly one after the other:
Code:
/etc/resolv.conf:
Code:
Code:
rev.0.168.192.in-addr.arpa:
Code:
So, I have an Virtual Machine running CentOS 5.4. It sits behind a hardware firewall which also does NAT'ing. I've set up plenty of these, so I know for sure the firewall and NAT rules are set up correctly. From the host, I can ping anything in my subnet and the gateway. But I can't ping anything else beyond the gateway. I can perform DNS queries and when I try to ping, it finds the appropriate IP address.But from the outside, I can ping the PUBLIC address (It's a 1 public to 1 private address NAT, not 1 public to multiple private). I've tried it with IPTABLES on and off, with no change.
View 11 Replies View RelatedI have Mandriva One 2009.0 (192.168.1.100) on one box and Mandriva Free 2010.0 (192.168.1.118) on the other. I can ping router (192.168.1.1) from both of these boxes but I can't ping one box to the other and the other way around. What's going on?.
Do I have to change some settings in router?. Or is it firewall issue on those two machines?. Both of these boxes are connected by cable. Symbol of the router: TL-WR340G.
I have configured DNS on ubuntu server 8.10 and it is working fine. There is one question I have though. Everytime I ping a LAN device by name I get the reply from the server with only the IP Address.
View 2 Replies View RelatedI am using CentOS 5.5, I installed squid3 in that machine. From my users machine i am not able to use our webmail address. Outlook shows pop3 error.cannot ping webmail address inside proxy.
View 1 Replies View RelatedI have connected xp and fedora through crossover cable . xp has ip address 192.168.0.1/24 (manually assigned) fedora has 192.168.0.2/24 with default route equal to 192.168.0.1
I can ping fedora from xp computer but i can't able to ping xp from fedora computer.
I have manully edit the /etc/sysconfig/network-scripts/ifcfg-eth0 file with correct subnet mask and ip address because when i tried to give ip address manully in network manager the subnetmask is replaced with gateway address don't know why.
Now i want to share internet through crossover cable . xp is connected to internet through wireless usb adapeter.
I try to ping with php : exec("ping -n 1 $ip",$output[],$retval); it works fine in window. but in linux i got this error : ping: icmp open socket: Operation not permitted are there any ways to solve this ?
View 5 Replies View RelatedI am trying to get a server to boot off the lan (pxe). I added a tftp server and tested it as operating successfully. I just plugged the pxe-server in and see the dhcp request/response as expected. The pxe-server then sends out an arp to the same address as the dhcp exchange, but the server never responds.
1. as the pxe-server already has info on the mac/ip-addr, why is it now sending another arp
2. why doesn't the server respond? I have most of my network setup the same way and the dhcp exchange is fine.
3. I'm guessing that the arp is triggered by the bootp exchange (next-server).
I do not have the server in the host table under that address.
127.0.0.1 localhost
127.0.1.1 ubuntu-desktop
192.168.5.101 windows1
Do I need to add 192.168.5.120 with a name to get arp to respond?
I wanted to install Samba for file-sharing purposes on my home network, so I went ahead and installed the latest stable Samba release, but it doesn't respond to commands in terminal (i.e. sudo samba start, sudo samba stop, sudo samba restart, sudo samba /etc/init.d/samba restart...). My shared files are now viewable on other computers but completely unusable for file storage. Samba DID respond when I was using Samba4, but when I used Samba 4 I got this:
Code:
matthew@Server:~$ samba restart
Unknown parameter encountered: "max log size"
Ignoring unknown parameter "max log size"
Unknown parameter encountered: "syslog"
Ignoring unknown parameter "syslog"
Unknown parameter encountered: "passdb backend"
Ignoring unknown parameter "passdb backend"
Unknown parameter encountered: "unix password sync"
Ignoring unknown parameter "unix password sync" .....
So I either get a Samba that doesn't work at all (the current version), or a Samba that pretends to work but ignores all of my parameters, claiming that it doesn't recognize any of them. I searched through synaptic package manager to make sure I have every single code or management file that could possibly be helpful for using Samba.
I got a CentOS server setup as a dhcp server using dnsmasq. I followed this guide more or less: [URL] So, the problem seems to be concerning the DNS server on the clients. In windows I get the "limited connectivity" icon for the network, and when I select troubleshoot it says the DNS server does not respond. Issuing 'ipconfig /all' clearly shows the IP of the CentOS machine as the DNS server, which should be correct, yes?
ETH0 is working as WAN connection and that works great.. no problem with the WAN connection at all on the CentOS machine. ETH1 has the IP 192.168.0.1 and mask 255.255.255.0 When starting eth1, it sometimes says that it can't start eth1 because the IP 192.168.0.1 is already in use.. but that is most certainly not the case. Maybe there's some kind of issue here that messes with the DNS? What's mind boggling is that it works great on a linux machine (dhcp client) and on a windows xp machine. but it does not work on the windows 7 laptop and a vista laptop and a pda device.
I have a CentOS 5 Server running for private fun... Just for playing with it and learn a little linux.this server has to Network interface cards. one for connecting from extern and one from connecting from the LAN.when i want to connect from lan (eg via SSH) this allways works!when i want to connect not from LAN this only works sometimes! only if i establish at the same time a connection from LAN it wors mostly.with other devices i have no problem (tested another server with just 1 NIC) and this works too.also the problem is not dyndns because i have the same problem when i try to connect through the direct IP.
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