Networking :: IP Address Active But Not Seen?

Sep 20, 2010

I have a 2 node Oracle cluster running on RHEL 5.4. One server went down the other day, and then restarted. Virtual IP address switched to the other node as it should, but did not switch back where the failed node came up - problem is the ip address is still on node 2, but I cannot see it or down the interface as it does not show up with ifconfig -a. I would expect to see it on eth0:2 but only eth0:1 is showing up with the correct vip for the node. ifconfig -a on node 1 shows n vip configured. I can telnet to this ip address and login, so know it is still on node 2, so why can't ifconfig -a show it, which interface is it on, and how do I remove it so I can get it back on node 1

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CentOS 5 Networking :: VMware ESXi - E1000 Network Adapter Is Not Active And Not Pick Up An IP Address?

Feb 28, 2011

Installed CentOS 5.5 on VMware ESXi server running vsphere 4.1. Installed fine and picked the E1000 network adapter. But can't get the adapter to become active and pick up an IP address. Has anyone done this before? I can't get it to work. When i was testing CentOS out i used VirtualBox and worked fine using bridged networking but just can't seem to get this network card working.I've put some pictures of the config i've got.http:[url]....

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Ubuntu Servers :: Active Ip Address For Server?

May 8, 2010

I installed LAMP server at my debian lenny. people can't view my webpage via my ip address. How to active my ip address?

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Ubuntu Networking :: Port Forwarding From Public Address To Private Address?

Feb 24, 2010

Currently my OS is Ubuntu 9.04 Jaunty Jackalope Desktop OS and my web server is Apache2. I have a public address 60.x.y.z and my pc local address is 10.x.y.z. I have a web app in my Apache2 which currently run in localhost(10.x.y.z).

I would like to enable the web app so that it could be browse from outside. I know there maybe some port forwarding process and some commands involved in order to do that. But I have no idea on the steps to do that.

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Networking :: Error Str2addr:Address 35 Outside Range Of Address Field Length 1?

May 12, 2011

I am working on implementing a protocol on NS2.34 .I really need help to solve this problem . Actually , I don't now whether the problem is generated by the tcl code or the c++ code when I run the simulation, I get this result :

Code:
num_nodes is set 64
INITIALIZE THE LIST xListHead
34
45
channel.cc:sendUp - Calc highestAntennaZ_ and distCST_
highestAntennaZ_ = 1.5, distCST_ = 550.0
SORTING LISTS ...DONE!
code....

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Networking :: Program To Assign Globa LIPv6 Address And Bind() To The Previously Assigned Address?

Apr 24, 2010

Consider the following program:

Code:
#include <stdio.h>
#include <stdint.h>

[code]...

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Ubuntu Networking :: Static IP Address And The Install Configures For A DHCP Configured Address - Network Not Starting

Dec 16, 2010

Version 10.04 LTS. Installed desktop version and network worked but I needed a static IP address and the install configures for a DHCP configured address. I tried changing to static address using the System->Preferences->Network Connections application but was unable to get the system to come up with the network up.

So I manually modified the /etc/network/interfaces and the /etc/resolv.conf files. I restart the system but when I do an ifconfig, I don't see a configured IP address on eth0 (only the loopback address). If I run /sbin/ifup eth0 everything then works fine and ifconfig shows the correct address bound to eth0.

My files are as follows:

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Ubuntu Networking :: IP Address Set To Manual But Still Queries DHCP For Address

Mar 12, 2011

I'm running Ubuntu 10.10 and I'm having problems trying to assign it a static IP address. No matter what I put in the Preferences->Networking area (identifying the interface as Manual)... it still will query DHCP for an address if I run the dhclient command. I'm using to using ubuntu server where I just set the IP in the interfaces config file.

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Networking :: Dynamic IP Address With PTR Record Versus Fixed IP Address Without?

May 7, 2010

I am running my own Postfix mail server. Some time ago I noticed that most email was rejected because of the server's dynamic IP address. So I got a fixed IP address. However then I noticed that some mails got rejected due to failing the reverse DNS check. So my ISP told me to get a range of IP addresses and they could then create a PTR record for one of those addresses. That is now running but it turns out that the IP address used for the PTR record is a ... dynamic IP address. So Spamhaus PBL rejects my emails again.

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Networking :: Bind External IP Address To Internal IP Address?

Jun 7, 2009

I have a few external IP's assigned to me by my ISP. I have IPcop as my router/firewall. I am wondering how to bind 1 of my external ip's to my internal ip address. So I do not have to port forward, etc. For Example, 77.77.77.77 to 192.168.1.123 and on the server it see's the external IP address.

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Ubuntu Networking :: Obtaining Ip Address From Mac Address?

Oct 6, 2010

In my job I use some ethernet embedded devices. They take an ip address from dhcp server or auto ip. I only know mac address.How can I obtain ip from mac address? In other words I need a rarp packet generator.

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Networking :: (98)Address Already In Use: Make_sock: Could Not Bind To Address [::]:443?

Oct 28, 2010

I dont know for what reason, since 2 days, I started having this message whenever I try to start httpd.I commented "Listen 443", restarted httpd started correctly. I needed to comment "listen 443" in order to be able to start httpdWhat is strange is when I do

Code:
telnet mylinux 443
it responds

[code]...

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Networking :: Assign A Address To Ethernet Address?

May 29, 2011

how to assign a address to my ethernet card all the options available

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Ubuntu Servers :: MySQL - Setup An Active / Active Load Balanced And High Available?

Mar 11, 2011

how to setup an Active/Active Load Balanced and High Available (If one of the nodes is down the system still runs) MySQL cluster. I have found quite a few howto's but I have some things unclear in my mind. I found a few solutions like this one: [URL] or this: [URK] Those are using two or four MySQL nodes, two Load Balancers to avoid a single point of failure but only one MySQL cluster management server. What happens if the MySQL cluster management fails?

I have also found a "MySQL Master-Master Circular Replication" technique but from what I read, with this option there is a chance that conflicts will arise if node A and node B both insert an auto-incrementing key on the same table.

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Networking :: Renew Ip-address With Mac-address?

Jan 18, 2010

I have a dedicated control computer that can only be accessed with web-browser (with its ip-address). My DHCP-server gives a static ip-address to the control computer (base on its mac-address). Somehow and after some time the control computer looses its ip-address (can't ping to it any more) ... and then I have to reset the control computer to get it to pick up the ip-address ... this is not a good solution since the control computer is not nearby. is there a way to force the control computer to renew its ip-address based on its mac-address

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Networking :: Trace An IP Address To A MAC Address?

Apr 18, 2011

My security software has picked up multiple port scanning detections on my router/network and only the IP addresses are available. Is it possible to find out what the remote mac address is to see if the IP source has been spoofed? I've got a couple of different IP sources which were found scanning my ports.

I don't know if my IP and the remote IP address are on the same network or subnet for that matter which is the reason for my wanting to know what the mac address is to find out if its coming from the same remote machine.

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Fedora Networking :: LAN Connection Is Not Active

Dec 24, 2009

First time I installed Fedora 12 and I am new to Linux OS completely. The LAN (ethernet) is coming by default and it's status is inactive. When I click on icon, it tries to connect and then shows status still as inactive. Where as my internet works in Win XP. What do I do for making it active. Second, when I try to install xDSL package for my BSNL broadband, the package is not available. Where do I get this package?

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Fedora Networking :: Ethernet Will Not Become Active

Jan 5, 2011

Currently I am working at a college as a student worker, and one of the classes that needs to take place requires that Fedora 12 be installed. Now, this isn't greatly important, but so far on a few of the installs I cannot get the Ethernet device to actually become active. I've tried restarting the computer, reinstalling Fedora 12, and going into the actual network area to click on "Activate" but it is grayed out. So currently, a few machines cannot connect to the internet - including the professor station. I'm not entirely sure what to do here, since most other posts I have read reported that they were able to actually click on "Activate" and it would work.

Right now, the computers are connected to the internet. The jacks do work as they were tested with computers that are able to connect to the net themselves. These computers NICs do work too as we have separate hard-drives in them booting into XP, which do connect to the net without problem.Any help would be appreciated. If anymore information is required, please let me know. I'll do my best to provide you with this information.

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Ubuntu Networking :: Active Directory And PAM Set Up

Nov 16, 2010

I have set my Ubuntu 10.04 box with our Windows domain. I can see from "net ads info" that I am on the domain. I can also get the password and group info with getent.So far so good. But I have tried to configure pam basically by following this guide:http://www.ccs.neu.edu/home/battista...nbind/pam.html

Yet when I try to su or login as an AD user I just get and immediate "Unknown id: <userid>".I have had a look at /var/log/auth.log and there are no errors there.Can anyone provide some tips on debugging the pam configuration?

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Ubuntu Networking :: Driver Is Active But Not Currently In Use?

Dec 10, 2010

I have a Realtek nic in my laptop. When i look at additional drivers it says the driver is active but not in use. How do i make it use this driver and always use this driver?

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Networking :: How To Check If Iptables Is Currently Active

Jan 12, 2011

I'm new with linux, I just want to know how to check if iptables is currently active, and how to disable it ?? I'm using SUSE 10.

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Networking :: Fedora 13 NIC Not Active At Boot

Jun 15, 2010

Most of my experience configuring network settings has been through various GUI tools available in GNOME and KDE. I have some older hardware that will not run KDE or GNOME and I am trying to configure the NIC. I have installed Webmin to try to configure the interface, and it does fine for setting a static address or DHCP address, but the interface (eth0) is not active at boot.

As soon as I run ifup eth0, it will use the assigned IP or pull DHCP based on settings, but I can't seem to get it to automatically activate at boot. And yes, /etc/sysconfig/network-scripts/ifcfg-eth0 does have ONBOOT=yes set. I need two things...

1 - are there any good cli tools, ncurses or such like netcfg I can install to manage the interface (I have tried the network manager cli tools, maybe I just don't get it, but that isn't working so good for me)

2 - how to make the interface activate at boot.

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Fedora Networking :: Keep Connection To Router Always Active?

Aug 20, 2010

Most of the time when I go back to my computer, eth0 has disconnected if left overnight or several hours, and takes around 30 secs to reconnect to my router, finding it a little annoying as the reason I leave the computer on is for quick access to the internet.My computer is connected to the router via an ethernet cable.Used Mandriva and Windows XP on this same hardware for awhile and never came across this.How do I keep the connection to the router active?

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Ubuntu Networking :: Active Directory And Wireless?

Feb 24, 2010

I am running the Ubuntu Netbook Remix and setting up our systems for Active Directory Domain Authentication. When I am hard wired in (ethernet), AD authentication works with no problems using the Likewise-Open software (installed through Ubuntu Software Center). What I want to be able to do is have people authenticate with AD with only a wireless connection. Has anybody done this before?

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Ubuntu Networking :: Broadcom STA Driver Active But Not In Use?

Oct 16, 2010

After trying to make audio output work on Lenovo b560 notebook I finally succeeded but the wireless stopped working. The driver was removed. I tried to follow the instructions from Broadcom http://www.broadcom.com/docs/linux_sta/README.txt and it started showing the driver in admin - drivers, it shows that it is activated but not in use, but once I get to this point

"modprobe wl"
it shows this:
install /sbin/modprobe --ignore-install wl
insmod /lib/modules/2.6.32-25-generic-pae/updates/dkms/wl.ko
FATAL: Error inserting wl (/lib/modules/2.6.32-25-generic-pae/updates/dkms/wl.ko): Unknown symbol in module, or unknown parameter (see dmesg)

[Code]...

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Networking :: Active Directory Connection And Configuration?

May 13, 2010

I have successfully connected (and authenticated the user) from linux (Ubuntu) to Active Directory (windows 2003) using "Likewise Open".

1. at the login screen I have to enter "example.localusername" to login. how can I simplify the login so that the user can choose (click)the domain and just enter the username and password (like the login in windows) or make the domain the default.

2. how can I configure the default user profile? meaning, when the user login for the first time, I want to configure his profile. does it use the "/etc/skel" directory like the regular local login?

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Networking :: Authentication Active Directory With Opensuse ?

Jan 11, 2011

What is the The easiest way to authentication Active Directory with opensuse.

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Networking :: Desktop 10.04 Can't Join Active Directory

Jun 1, 2010

But here is my problem... I have a windows 2003 server mini tower ATX running VMware workstation 7.0 that has a Ubuntu server 32-bit and a Ubuntu desktop; both versions are 10.04. Now, my ubuntu server edition joins active directory just fine, but my ubuntu desktop does not.

Here is my /etc/samba/smb.conf file:

[Global]
workgroup = XXXXDELIGHT
security = ads
realm = XXXXDELIGHT.BIZ
idmap backend = lwopen

[Code]....

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Networking :: Finding The PPTP Active Connections?

Sep 29, 2009

I've created VPN server(PoPToP version 1.3.3) using webmin and all clients are connected successfully. I want to check "current active connections" from CLI(command line interface). what is the command to list all active connections.

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Networking :: Openvpn - Newtorkmanager - No VPN Connection Was Active

Jul 12, 2011

I am having problems setting up openvpn with networkmanager. I am running fedora15 with the newest networkmanager. Okay here is some info...

openvpn runs at boot time no problem...

Here is a copy of the boot time message from /var/log/messages

Code:

Here is a copy of tun0 from the ifconfig, and also you can see that openvpn is running from the command "netstat -ntl"

Code:

Here is the options i am using for server.conf for openvpn.

Code:

Okay well when i try to add openvpn to network manager i select the openvpn option and it ask for the required fields.

For gateway i am using -> 10.0.0.0

ALL other options i am just using the defaults...

Now i am not sure if they options that i am using is correct... if anyone has any input i would love to hear some.

Now when i try to start New VPN Connection from network manager it fails to connect and here is what i am getting from /var/log/messages

Code:

If you want to recommend command line options instead of using the network manager gui i am okay with that...

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