Ubuntu Servers :: When Is A Static IP Assigned At Boot
Oct 22, 2010
I've been having a problem getting a couple of services started at boot on my home server. I want to have my Openvpn daemon and a holdingnuts poker server start at boot. Neither of these start properly if placed at level S99 in the rc2 folder. Looking through the logs, it seems that the network is not up and running at this time. To confirm this, I placed the following in my rc.local file that runs at level S99.
Code:
ifconfig | cat > /home/username/network-status.txt
My ifconfig file shows the lo, eth0 and my bridged br0 interfaces. However, the br0 interface does not show an IP, netmask or anything else, indicating that it hasn't been brought up, yet. So this begs the question, if you have a static ip set (with a bridged connection for the VPN server), when does that actually get up and running? I would have thought that it should be up by the time that the last startup scripts are running. How can I ensure that these things run at startup, but not until the network is fully up and running?
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Feb 8, 2011
I have 2 ubuntu PCs, which are connected to the internet without an external IP (behind NAT). How can I access one from another?
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Mar 27, 2010
I just installed sever 9.1 with webmin. Everything was working great, untill it tried to set it to a static ip address. I tried to do it thur webmin. after it rebooted the server and it now stops at this line
init: network main process (61 terminated with status 1
Any idea what I did wrong? Or how I can fix this?
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Aug 18, 2010
I set up a dhcp server in the lan and assigned static ips to two computers, computer A and B, according to their mac address. Everything was running fine. But when I turned off computer A, connected computer C to the network, and assigned computer A's static ip to computer C without changing dhcp setting. Computer C was able to access the internet. When I turned on computer A, dhcp couldn't assign an ip address to it, and computer C showed an error message of ip conflict and failed to use internet. I wonder if dhcp server is able to prevent other computer from using the same static ip that is already assigned to a computer according to its mac address.
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May 26, 2011
I have a server hosted with Hetzner in Germany and have had it there for over a year now without any glitches. Last week very abruptly they deactivated the server giving me a very vague reason of "I was using another IP that was not assigned to me". After several calls I had the server reactivated but am still puzzled by this and Hetzner Germany has been unable to provide me with any proof, logs, traces or anything for that matter to validate their claims.
My primary (physical) server has one IP allocated (static) and IPv6 is turned off. On top of this server I run 3 VMware servers, 1 Ubuntu, 1 Debian, 1 Windows and all 3 of these VM's have static IP's configured.
I've done traceroutes, netstats and looked through every single config file with a fine toothcomb without finding anything and the problem has not reoccured either.
What I would like to know is if there is some way that someone could craft an attack of some sort that could cause a server to do this, to latch onto another IP not assigned to its NIC?
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Jan 27, 2010
My ISP offers me a static IP and 2 dynamic IPs. I want to use the static one.
When I run
Code:
But the next morning (not every morning though) my IP will be the dynamic one again. Something seems to be overriding it. The last time it changed was today at around 8:30 AM.
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Nov 27, 2010
I have installed a ssh server on a computer (Ubuntu 10.04). This computer will be reboot many times, so the IP address is going to change. As a result, I couldn't connect with an other computer on this server via ssh. That's why I search a solution: either I assign a static IP on my server computer or I heard that I could use a dns name. I don't know if the latter solution is good so I hope to have some precisions. Also, I tried to have a static IP by editing the file : /etc/network/interfaces but it doesn't work.
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May 17, 2010
I just upgraded to 10.04 and I want to set the static ip address but I can't find where to do it.
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Jul 2, 2010
Ok so I got my server running with apache2. I can access it via the web with my static IP.
I registered on Godaddy for a domain, and sucessfully setup URL forwarding. When I type in that domain it takes me to my website, but the browser shows the IP address again. Should I not be using "URL forwarding"? I'm guessing I have to do something on my server side saying what domain it is but I don't know which file to change and I am scared to touch anything. Although I'm a programmer, I'm not a network person.
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Aug 28, 2010
I'm have a number of ubuntu servers that all have dual nics.One interface is used to assign a static public ip and the other is used to assign a static internal IP that can be used on the internal network.The interfaces pull IP's from completely separate gateways on different networks.The problem I face now it that our internal network is moving everything to DHCP on the internal side.I can configure my /etc/network/interfaces so that I can get a public static Ip and a private DCHP, but the problem is that the public IP no longer functions for any services.here is an example of my interfaces
Code:
# The primary network interface
auto eth0
[code]....
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Sep 23, 2010
If not should I just plug up directly into my modem?
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Sep 27, 2010
(Cross posting this from[URL]I am running an Ubuntu 10.04 server installation and I recently had to switch it from DHCP to static ip. I edited /etc/network/interfaces file and switched
"iface eth0 inet dhcp"
to
"iface eth0 inet static
[code]....
You'll notice the IPs are a little strange. This is because the sever is now on a special subnet dedicated to isolating specific servers. I also edited the resolv.conf file to include the proper DNS servers (including one of Google's just in case all hell broke lose).The problem is that, seemingly randomly, the machine will lose the ability to talk to the outside world. I know the machine is still up, but it acts like it has no networking at all.
I think part of the issue is that there is no DHCP running to this subnet (nor will there be) and the dhclient seems to still be running on occasion which causes some sort of conflict (no idea what) which causes networking to die. I cannot, however, remove the dhcp3-client package as it also causes the ubuntu-minimal package to be removed and that would be bad.
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Mar 7, 2011
Im running ubuntu server 10.10 on my wirtual mashine at home. For now i have few service installed and configured:apache with phpand mysql support,ftp,phpmyadmin.. My ip address is not static, i tryed to configure by following some guide but without success.
First i edit this in /etc/network/interfaces (changing dhcp to static
Code:
# The primary network interface
auto eth0
iface eth0 inet static
[Code].....
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Apr 26, 2011
want to set a domain name for my static ip address. If i am giving my static ip, i got output but i cant create a domain name instead of giving ip address.
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Jan 13, 2010
I operate Server v.8.04 with Bind9 configured for my internal sites. I installed DHCP3 the other day and assigned static addresses for certain boxes on my network. However, only those static assigned boxes can view my websites internally. In other words, DHCP appears to block my DNS. Is there a setting that I missed or is there something else?
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Jan 14, 2010
I was trying to assign the static IP address of my internet connection to my home server and managed to make a mess of it. I've configured the router to assign it the address every time but when I rebooted everything the server is cut off from the network completely (rather unfortunate with a headless server...). The only file I've edited on the server when trying to do this is /etc/network/interfaces, everything else network related is default. My intention in editing the file was to make the server accept the IP address assigned by the router since the router was already configured to assign the right one. I put in
Code: inet dhcp in the /etc/network/interfaces file, is that wrong? What is that line supposed to be?
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Jan 25, 2010
how to edit and save this file using Vim-noX. (connected via putty) I have the file loaded up and Ive inputed the needed data for my static IP, but I cant for the life of me figure out how to close and save my settings. At the bottom of the command line I have "INSERT" which toggles with "REPLACE" and I just cant figure this out.
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May 23, 2010
what are use cases for static ip address for clients or servers.
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Mar 14, 2011
I have an Ubuntu server running Samba and I would like to share out the cdrom drive to the network. I made a share of the /media directory and it seems to work fine when I insert USB drives and I am able to browse and work with files. However, when I insert a cdrom it automatically mounts to /media/<volume name> and I get a permission denied error when I attempt to access it over the network. I am assuming this is happening because the permissions do not include the execute bit and being a read only file system I can not change this. I made the directory /media/cdrom and manually mounted the cdrom to it and I can successfully access it over the network just like the USB drives. So my question is: Is there a way to make the cdrom automatically mount and unmount to /media/cdrom when I insert and eject disks instead of to /media/<volume name>? Or maybe just have the permissions automatically set so Samba users can open it instead of just see it.
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Apr 6, 2010
How do I decide what IP address to enter in my config file when assigning a static IP. All of the instructions I can find say something like "of course you should modify the file according to your own settings." Should I just use the gateway and IP that returns from "iwconfig" and "route -nee"?
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Mar 31, 2011
I have a CentOS5 server with dual ethernet adapters + Webmin installed as my Router / Firewall / DHCP server working successfully with 1 static IP from my ISP. I also have 7 additional static IP addresses from my ISP needing to configure to individual servers inside my network. I have configured the additional virtual interfaces, but am lost on how to route data specifically from additional ISP address to specific internal network address.
Below is my desired configuration.
98.173.159.xx1 = eth0 physical interface ==> eth1 192.168.1.1
98.173.159.xx2 = eth0:1 virtual interface ==> 192.168.1.10 ==> CentOS Server 2
98.173.159.xx3 = eth0:2 virtual interface ==> 192.168.1.20 ==> CentOS Server 3
98.173.159.xx4 = eth0:3 virtual interface ==> 192.168.1.30 ==> CentOS Server 4
98.173.159.xx5 = eth0:4 virtual interface ==> 192.168.1.40 ==> Mac OS X Server 1
98.173.159.xx6 = eth0:5 virtual interface ==> 192.168.1.50 ==> Mac OS X Server 1
98.173.159.xx7 = eth0:6 virtual interface ==> 192.168.1.60 ==> Network Attached Storage Server 1
98.173.159.xx8 = eth0:7 virtual interface ==> 192.168.1.70 ==> Windows 2008 Server 1
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Feb 12, 2010
I'm having some problems on the line with ***. This is from a OpenEntidade.java class file and I'm trying to update EmprestadorView's variables.
EmprestadorView.java
public class EmprestadorView extends FrameView {
...
OpenEntidade.java
-----------------
public class OpenEntidade extends javax.swing.JFrame {
[code]....
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Mar 17, 2011
Upon boot up the usual little mouse splash boot is suppose to come up. Once I first installed it (10.10 via usb) the boot screen worked perfectly but after I updated via the update manager the boot splash became all static and green lines across the image. It still boots up to the login screen but it's just ugly looking at it.
I have (via hwinfo)
20: PCI 105.0: 0300 VGA compatible controller (VGA)
[Created at pci.318]
UDI: /org/freedesktop/Hal/devices/pci_1002_5a61
Unique ID: ul7N.dFXV26GrjA4
Parent ID: vSkL.CTscIjbcyd9
SysFS ID: /devices/pci0000:00/0000:00:01.0/0000:01:05.0
SysFS BusID: 0000:01:05.0
Hardware Class: graphics card
Model: "ATI Radeon XPRESS 200 5A61 (PCIE)"
Vendor: pci 0x1002 "ATI Technologies Inc"
Device: pci 0x5a61 "Radeon XPRESS 200 5A61 (PCIE)"
SubVendor: pci 0x103c "Hewlett-Packard Company" .....
Primary display adapter: #20
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Jun 16, 2010
Is there is a way to specify a static IP address in the parameters supplied to the Linux kernel at boot time? I know that I can do it with a start-up script called from my rcS file but it would be really convenient to specify it in my boot parameters.
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Dec 7, 2015
I use a static compiled kernel and a fully encrypted disk apart from a boot partition. I have recompiled and installed kernels many times. When I tried with the latest kernel from Testing, 4.2.6, the system will not boot. Not only that but the previous kernel now does not boot. However, a stock modular kernel does boot. The static kernel hangs at:
Code: Select allVolume group "dk" not found
Cannot process volume group dk
/run/lvm/lvmetad.socket: connect failed: No such file or directory
WARNING: Failed to connect to lvmetad. Falling back to internal scanning.
Reading all physical volumes. This may take a while...
/run/lvm/lvmetad.socket: connect failed: No such file or directory
[Code] ....
And after giving the password the boot continues successfully. How to diagnose it further?
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Aug 19, 2011
I need to show a static image with the logo of our department while Debian boots. Is there any easy way or tool to do this? (Any parameter of the kernel maybe?) It doesn't have to be anything fancy (like a progress bar)... just a plain an simple image.
I've seen many bootsplash projects..but most of them are broken. I tried splashy (which is available on the repo), but by the time it loads, my system is already booted, so I don't really like it. note that I don't have any Xorg server installed.
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Nov 18, 2010
I've been attempting to figure this out for about 4 days straight, so far it has not been fruitful. I've installed Ubuntu 10.04 server onto my former gaming system, Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz, 2 cores with 2 GB ram. Overkill I'm sure, especially for a simple personal voip, htpc, storage server.
The problem is only noticeable when I have the vent server running, on the 10.04 server, and I attempt to connect to it through the LAN via the client on my windows computerEverything works fine and connects, LAN and from the outside, as long as the server is set to DHCP. However when attempting to switch to a static IP address, the vent client will not detect the vent server at all.Aside from an annoyance at having to stick with DHCP, I am still curious as to why the static settings will not function. Something so simple has turned into something quite difficult.
I can still connect to the Webmin interface and Putty into server with either DHCP or static IP enabled.I've performed the following troubleshooting steps so far:1) Followed the directions at https://help.ubuntu.com/8.04/serverg...iguration.html2) Edited the /etc/network/interfaces file through the CLI with nano and through notepad on the windows computer3) Through Webmin I've assigned the static IP, although for some reason it does not include a gateway field.4) I've rebooted the server5) I've issued the CLI
Code:
sudo /etc/init.d/networking restart
Here is the file /etc/network/interfaces:
[code]....
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Apr 26, 2010
I got this message on Friday from just one domain. uote:mailsrv.forthnet.gr #<mailsrv.forthnet.gr #5.5.0 smtp; 554 5.5.0 Your message was considered to be spam by the FORTHnet Antispamming Policy and was not delivered to the recipient. The following spam tests returned positive for this message:FORGED_RCVD_HELO,RCVD_IN_BRBL. For further information visitWe are not a spamming community but it seems we have a statice IP address that has a Reverse lookup to "myipaddress.static.lyse.net" and not my email domain. Would setting a cname mail.mydomain.no -> myipaddress.static.lyse.net cure this problem or are there more tricks to be performedOnce I have cured the FORGED_RCVD_HELO I can move to getting the IP removed from BARACUDA.
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Oct 1, 2010
is it possible to have the tmp or temp folders assigned elsewhere. I am actually looking to stick them in the shm folder since there is enough memory to throw around the place ..
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May 4, 2010
I've been working on this for a couple days, but I cannot seem to find a solution either on my own or through trusty Google. For whatever reason, I cannot get the Super key assigned to the Left Win as I have had it in the past. There does not seem to be an option to do that in the Keyboard layout thingy.
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