Ubuntu Servers :: Get Dynamic IP Address From Router ?

Jul 15, 2010

I need to obtain daily dynamic IP address from my router for remote user. In order to get into the router page, I need to login to it with ID and password.

Can I tell the server to do this every time it started up to login to router and extract the ip address and send out via email?

The router can only access through web interface and below is what I copied from browser.

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Ubuntu Servers :: Set The Server To Hold The Domain From A Dynamic Ip Address?

Sep 25, 2010

I have 4 servers that I got at auction and they now have ubuntu running with gnome interface.I installed apache2 and tried to edit the conf file but i am not sure if it is a router issue a dns or the config.I am trying to figure out how to set the server to hold the domain from a dynamic ip address and also how to create some test page to see if i can acess from the internet.

I have purchased some books on the command lines and how ubuntu works, I am understanding it so far, but dont know how to have a directory for the dns request to point to for the sitewhat i want to do with the servers...voipeb server for about 4 websites - one is for a volunteer rescue organization, another for a test auction site and 2 portfolio sitesremote file access- if possiblealso on a side note, is it possible to have a message relay from one cell phone or transmit to the server and have it send sms message to cell phones? - this will be used for the rescue group as well.

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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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Ubuntu Networking :: Host Website With Dynamic IP Address With NAT?

Nov 6, 2010

We have Verizon as our ISP with a dynamic IP address. We published our website but the IP changes frequently. How can we set Network address translator(NAT) so our website can be published regardless of IP changes? We don't have domain name and have no intention for one.

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Programming :: Implement A Dynamic Menu Which Will Allow To Specify An IP Address

Jul 2, 2010

I'd like to implement a dynamic menu which will allow me to specify an IP address and read it into memory. This is what I've got so far (it's fairly basic...)

Code:
IPS=`ifconfig -a | grep 'inet addr:' | awk '{print $2}' | tr -d "addr:"`
PS3='Select an option and press Enter: '
select i in $IPS
do
case $i in
$i) echo $IPS;;
esac
done
echo $IPS

At the moment it just says "Which IP would you like to use" and then freezes, most success I've had is it showing all the IP's listed in ifconfig and then showing the same menu.

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Ubuntu Networking :: Desktop Popup Notification When WAN Dynamic Ip Address Changes?

Jul 23, 2011

Is there some kind of Ubuntu desktop application that notifies you when your WAN ip address has changed? I don't care about my LAN ip address. I need some kind of popup on the desktop when my ISP assigns the next dynamic WAN ip address.

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Ubuntu Servers :: How To Create A Dynamic DNS

Jun 17, 2010

I was told that it was possible to setup a dynamic dns server on linux. How would you do it?

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Server :: OpenVPN Range Address / When Change Static IP To Dynamic IP In Config File OpenVPN Didn't Work?

Feb 13, 2010

I want to configure a VPN over the Internet.I installed the 'openvpn' package, generated the key file, transfered it by a secure way to the client, and setted up the configuration file.

So, in that configuration file I input the IP addresses of the tunneled interfaces. Both IPs are static in the tunnel.

Then, I've heard somewhere that I can assign a dynamic configuration IP for the client. I do this registering a range.

Well, when I tried to change static IP to dynamic IP (changing '192.168.0.2' to '192.168.0.0/24') in the configuration file, the OpenVPN didn't work.

Obviously I don't know what I'm doing, and I really, don't believe that simply changing the IP will make it work, but I tried.

I hope I explained my problem as well.

My configuration file:

# OpenVPN Server Configuration File
dev tun 0
ifconfig 192.168.0.1 192.168.0.2
cd /etc/openvpn
secret key_file

In client I execute the 'openvpn' without the '--daemon' parameter.Then I want that my client uses a IP in a range (192.168.0.0/24, for example), instead of a static IP (192.168.0.2).I also thought to use a DHCP server, but I'm not sure that will work.

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General :: Restricting Dynamic Ipaddress By Based On Dynamic DNS Host Names?

Dec 12, 2009

I want to restrict the Visitors to my Webserver whom i want to give access But the persons whom i want to give access. have Dynamic IP. I want to use DynDNS and update IP address of person. Based on the Hostname Pointing to Dynamic address of person.

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Ubuntu Servers :: Dynamic Routing For Redundant Internet Links?

Jan 14, 2010

As far as I can tell, the server guides only explain a bit about what dynamic routing is, but not how to implement it.

My situation is this:

We require a server with 3 interfaces. One local, one to a vsat link and the other to a fibre link. The fibre will be the default route for Internet traffic but we want dynamic routing to automatically switch to the vsat link when the fibre link goes down (which happens fairly often in Zimbabwe!) and then switch back to the fibre link when it comes back up again.

The first option would be to handle dynamic routing on a Cisco router, but at the prices of Cisco devices here, it's not the most affordable option.

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Ubuntu Servers :: 9.04 Jaunty Hangs While Sftp Is Active And Dynamic IP Changes?

Feb 1, 2010

I have this strange problem which I am unable to web search on and not sure what to do next. My Linux knowledge is between basic to intermediate but I know how to troubleshoot general hardware problems.

My problem is that Ubuntu 9.04 Jaunty 64-bit hangs while SFTP is active and dynamic IP changes. For example, I SFTP into my home server and transfer file then suddenly my ISP decides to renew my IP and give me a new IP while my SFTP client is still uploading files to my home server. This causes my SFTP client to stop working. Upon checking, my router is still running with a new IP lease from my ISP. My Linux box still powers on but typing anything from the keyboard does not make it "wake up" and put things on the monitor. Nothing seems to make it respond and the only way is to get about it is to power off and on. During that time, you cannot SSH into the server as there is no respond. SFTP into the server is not possible too because connection fails.

The server has all new hardware, latest BIOS, etc. Memtest86 shows no errors after running for more then 5 hours. I am unable to find anything out of the norm in /var/log/kern.log or in dmesg. All hardware seems to be working.

When I think about it, I tend to think OpenSSH (probably that is the default package in Jaunty) is causing this system hang whenever there is an interrupted connection from the outside world. However, I fail to agree with this is because I am sure the daemon and Linux can tolerate this situation without resorting to system hang. FYI, I have installed vsftp as well but this should not be a problem.

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Ubuntu Servers :: Dynamic VLAN's - VMPS - Where To Start To Get This Configured

May 11, 2011

Basically im trying to setup a dynamic vlan setup with my Cisco 2950 switch. I understand that freeradius has support for vmps and i'm wanting to use this. (as i'd also use the radius server for authentication for my squid proxy server)

But i have no idea where to start to get this configured. Right now i've got the freeradius package installed and i've done a bit of google'ing and i cant seem to find much about vmps and freeradius.

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Fedora Servers :: Simulate A VH Through A Localhost With A Dynamic IP?

Nov 16, 2010

For backup and pre-functionality purposes, I need to simulate a VirtualHost in my Fedora (14) machine. I found some interesting links to carry out that process but with an IP fix.So, how can I simulate a VH through a localhost with a dynamic IP?

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General :: What Is Production IP Address And Management IP Address In Servers

Jul 20, 2011

what is Production IP address and Management IP address in Linux servers? What is the significance of these two? When to use what?

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Ubuntu Networking :: Router Not Passing On DNS Address?

Feb 2, 2011

I'm using an ubuntu machine to route internet to my main PC. I think I finally got it working with DHCP and all, but there's still a slight problem. DNS does not work! My /etc/dhcp3/dhcpd.conf file contains the following lines:

Code:
default-lease-time 600;
max-lease-time 7200;
option subnet-mask 255.255.255.0;
option broadcast-address 192.168.0.255;

[Code].....

I am currently only able to post on this forum because I copied /etc/resolv.conf from my server to my main machine. Now DNS is working. But it should update automatically, right? Currently, this isn't working.

If possible, I'd like it most if I wouldn't have to hardcode the DNS servers in /etc/dhcp3/dhcpd.conf either, but that the server would just relay the DNS adress it has gotten itself!

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Ubuntu Networking :: Computer Have The Same MAC Address With His Router?

Sep 1, 2011

I have read in a forum that a computer can have the same MAC Address with its router in the sane LAN but how is that possible? Isn't every MAC unique? Also I have not understood, when we send a packet to a PC that is not in our LAN the packet should have the IP Address or the MAC Address of the computer that we want to send?

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Server :: Do Smtp/pop/imap Servers Work With Dynamic Ips

Sep 30, 2010

i want to set up an email server both to receive and send emails. I also am on a dynamic ip scheme with my ISP. I do have a dynamic dns account with no-ip.org the Questions are:

-will somebody be able to send emails to me at the <user>@<dyndns_name>.no-ip.org email address?

-will I be able to send emails from the <user>@<dyndns_name>.no-ip.org email address?

I know i'll be able to login to accounts like gmail and yahoo and download emails from there.. but even that i don't know - even macroscopically how its done:

-is it the sendmail deamon that accepts the mail from <me>@gmail.com, <me>@yahoo.com, <me>@<dyndns_name>.no-ip.org?

-is it the sendmail deamon that does the sending of email (as well)?

-can it push emails that I want to send as <me>@gmail.com to the gmail smtp servers (and they in turn will push my email even further)?

-can it push emails from <me>@<dyndns_name>.no-ip.org to receipients?
and finally,

-WILL receiving pop/imap servers allow incoming email from my server? or due to the dynamic ip they'll assume I'm a spam server?

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Ubuntu Networking :: Cannot Access Wireless Router Via Ip Address?

Aug 24, 2010

us robotics router, trying to access 192.168.2.1, worked on windows xp, just switched to lucidi have tried using both firefox and chrome, neither will access my router

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Fedora Servers :: Use Tomcat In 11 - Dynamic Web Project Based On Servlet

Feb 21, 2010

Tomcat6 is built in server with it but i dont know how to use it .I am doing a dynamic web project based on servlet and eclipse galileo is being used as IDE for it.

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Fedora Servers :: BIND Dynamic Updates By DHCPD Not Working In 14?

Nov 28, 2010

The problem is that I have set up a test installation with DHCP server and DNS server on Fedora 14 and want to set up dynamic updates from the DHCPD to the NAMED. The problem is that any attempts to make updates of the DNS server fails with a "SERVFAIL" error. I can not even update it through the NSUPDATE tool. This is NAMED.CONF:

Code:
options {
directory "/var/named";

[code]....

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Debian Hardware :: Mac / IP Address Assigned By Router

May 29, 2014

I have 2 PCs, each running Oracle VirtualBox with about 30VMs installed and standing on the same table

On shopping router I found TP-Link

TL-WR741ND
150Mbps Wireless N Router
[URL] ....

How can it assign 30 IP address to each PC?

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Debian :: Block A Router From Giving Me A Dhcp Address

Aug 18, 2011

I get assigned an IP from the university's server. Every now and then, a student will plug in his router to the network trying to get wifi in his/her room.

And by doing so will start assigning IPs on the network, while rendering useless the university dhcp server, which has to cope with a higher number of pc's.

How can I specify to dhclient (or the linux system in general) NOT TO obtain IP addresses given by a specific mac address ?

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Fedora Networking :: Get The Router To Assign An IP Address Through DHCP?

Jan 24, 2009

I noticed that my internet connection wasn't automatically brought up each time I logged into Fedora so I opened the system-config-network tool and edited my network adapter by checking the box marked "automatically start at boot/login." To my surprise, the connection went down and upon trying to click on the device to let the manager bring up the connection the greyed-out phrase "device not managed" appeared underneath the device name and wouldn't allow me to connect.

Even when I used ifconfig/dhclient to get the connection up nothing happened. I could get the router to assign an IP address through DHCP, pinged a few sites to make sure it was legit, but still couldn't use firefox to browse anything. Seems as if network manager GUI is conflicting with command line attempts to bring the network up. I'd like to permanently disable system-config-network if possible because it's acting screwy!

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Fedora Networking :: Dhclient-script Gives Router Address ?

Jul 7, 2011

I have just installled fedora, and I am puzzled by dhclient-script. Because it gives the router ip as nameserver 192.168.0.1. I have had other linux distro on same machine that resolves the correct nameserver without any configuring.

Does anyone know how to get your ISP:s nameservers instead in /etc/resolv.conf when running dhclient from CLI? I have thought about edit /sbin/dhclient-script. But if that is the case. Which option should I edit?

Quote:

My system
OS=Fedora 15
Kernel=Linux fedora_15 2.6.38.8-32.fc15.i686.PAE #1 SMP Mon Jun 13 19:55:27 UTC 2011 i686 i686 i386 GNU/Linux
Router =DLINK dir 100 (IP 192.168.0.1)

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Networking :: Hold Static Ip Address From A Different Gateway Router ?

Jul 6, 2010

I'm running Ubuntu 10.04 and my setup is as follows:

As you can see, I am directly connected to router 192.168.25.1, and so my ip address is 192.168.25.101. I want my ip address to be 192.168.13.101, and make router 192.168.13.1 my gateway router. Is this possible under the current physical layout (I do not want to have to connect directly into 192.168.13.1, but keep my computer where it is at)?

When I run tracepath, it shows 192.168.13.1 is one hop away.

What I've tried:

The problem is under this manual setup, I cannot ping 192.168.13.1 and running command netstat -rn returns the following:

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OpenSUSE Network :: KNetworkManager Connection - Never Obtain An IP Address From Wireless Router

Feb 24, 2010

I have an open WEP wireless internet connection with a security key. KNetworkManager can never obtain an IP address from my wireless router, but I know that the router works because Windows can connect correctly and Ubuntu's NetworkManager can connection correctly. Does anyone know what is happening? KNetworkManager just asks for my security again and again and again after it fails to connect.

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Networking :: Getting An Ip Address From The DHCP Router, But Cannout Ping Any Other Ips Or Connect To The Internet?

Jan 31, 2010

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]....

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Ubuntu Servers :: Run Two Websites(servers) From One IP Address?

Jan 30, 2011

Is it possible to run two servers through one ip address? And I don't mean through apache to run virtual servers. Right now my set up is: Cable modem>router>server.

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Ubuntu Servers :: PHP Error "Unable To Load Dynamic Library" After Upgrading Server From 10.04 To 10.10

Oct 22, 2010

After upgrading my server from 10.04 to 10.10 I keep getting the following php error, "PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php5/20090626+lfs/syck.so' - /usr/lib/php5/20090626+lfs/syck.so: cannot open shared object file: No such file or directory in Unknown on line 0"

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Ubuntu Servers :: What The Servers IP Address Is

Feb 11, 2010

my local server here is not reachable when I type on the hostname so I am wanting to know if I am on the machine via ssh (I have a monitor and keyboard plugged into the tower)

How do I figure out what the servers IP address is? I have ubuntu server 9.10 and I looked at the etc/host, etc/hostname files and they have the correct server hostname

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