How can I start dhcpd after Network manager has set up a new connected device. The reason being that dhcpd will not start when there is nothing connected to the network interface. Therefore I would like dhcpd to start after a new device is connected. Now I have found references if ifup-post but this does not relate to NM, is this correct?
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Just for information in case if it is important to start dhcpd and named: Sep 16 20:26:44 LINUX-SRV named[2417]: nss_ldap: could not search LDAP server - Server is unavailable Sep 16 20:26:44 LINUX-SRV named[2417]: nss_ldap: could not search LDAP server - Server is unavailable
Secondly Both config files in /etc/sysconfig set parameters to start in jail root but
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I have setup a CentOS 5.5 server as a DHCP server. That will be it's only task in a Cisco callmanger VoIP environment The DHCP server that comes with CentOS 5.5 is from ISC V3.0.5 -redhat.
The server (HP DL360) has two physical NIC's of which only NIC1 is used (ETH0)
ifconfig shows:
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The interface has a fixed IP setup.
My dhcp.conf file looks like this:
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When I start (try to) dhcpd via the service interface or via the prompt as
Code: service dhcpd start
I get an [FAILED] message and the following is in /var/log/messages
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But when I start the DHCPD on the comamnd prompt in debug mode it looks as follows:
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and /var/log/messages shows:
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Why does the system ask a declaration for eth0 0.0.0.0?
I'm configuring a new Centos 5.5 server in replacement of an old W2K server.The topology of our network is simple : one file/dhcp/dns relay server and workstations (PC's and some MAC's) plus network printers and scanners.All the workstations have dynamic IP addresses (easier because a lot of 'dynamic' changes : new persons with their own laptop, ...) and the server and printers/scanners have fixed IP addresses.I edited the dhcpd.conf (see here underneath), I have the file dhcpd.leases but it doesn't start !
DHCPD.CONF
ddns-update-style interim;
ignore client-updates;
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On my local network, I use my Linux machine running dhcpd and IP masquerade as a gateway to the internet. As it is, the setup works just fine, and I've enabled dhcpd in all runlevels in the services dialog, but for some reason, it still does not automatically start when I boot the machine. If I select it and click "Start", it operates normally, and if I run "services dhcpd start" from a command line, that works too. My only guess is that it's some problem with my config file... it's the same setup I used with previous versions of Fedora without issues, but maybe things have changed?
The contents of /etc/dhcp/dhcpd.conf:
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ddns-update-style interim;
ignore client-updates;
subnet 192.168.1.0 netmask 255.255.255.0 {
option routers 192.168.1.8;
option subnet-mask 255.255.255.0;
option domain-name-servers 64.59.176.13, 64.59.176.15, 64.59.177.226;
option ip-forwarding off;
range dynamic-bootp 192.168.1.100 192.168.1.200;
default-lease-time 21600;
max-lease-time 43200; }
For some weird reason dhcpd fails to startup, but when I installed gadmin's dhcpd GUI configuration tool and click activate to start the DHCP server. It works, but for some reason I can't get it to start like a regular service. (Service dhcpd start) Fails without a error code or message.
View 14 Replies View RelatedMy dhcpd service get failed every time when I try to start it
1) Actually I have a lan connection which has a static ip network 192.168.10.0/24 and the pc to which is using the dhcpd has a ip address 192.168.10.1/24
2) And I have a internet connection wirelessly which has a network 192.168.2.0/24
Now I want to problem ip address in the network of 192.168.10.0/24
Here below is the configuration file of dhcp server:
# dhcpd.conf
#
# Sample configuration file for ISC dhcpd
#
# option definitions common to all supported networks...
option domain-name "example.org";
option domain-name-servers ns1.example.org, ns2.example.org;
# Use this to enble / disable dynamic dns updates globally.
#ddns-update-style none; .....
I just got the problem while starting the dhcp daemon. Its showing failed. I need to start it for my clients to be autoinstalled. I am having CentOS 5.2 linux. I've installed all optional packages also while installing CentOS. How to start the dhcp daemon? I've tried the /etc/init.d/dhcpd start also. But it didnt work. Showing Failed.
View 1 Replies View RelatedI've found a lot of pages of how to fix the issue on older releases of dhcpd and ubuntu.
#>dhcpd
#> ...
#> Can't create PID file /var/run/dhcpd.pid: Permission denied.
I have tried creating the file and giving it permissions to be accessed, but that isn't solving the issue. I tried to go through some of the older fixes, and one was really close to working but lacked the same folders as I have.
EDIT: one solution that worked was to use ln -s /var/run/dhcp3-server/dhcpd.pid /var/run/dhcpd.pid dhcpd3 -cf /etc/dhcp3/dhcpd.conf at0
I would like to make my Fedora 13 box a DHCP server for my network. I can not find dhcpd in YUM. Is there a way to make my Fedora box a dhcp server? This was relay easy with Suse, but my Opensuse box just suffered a hard drive failure.
View 1 Replies View Relatedsince I upgraded to firefox 3.6 the program doesn't start up if I have any add-ons enabled.
The program starts fine with add-ons installed, but only starts up once as soon as any off them are enabled. Even normal add-ons like xmarks and adblock give problems.
I installed dhcpd using:
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Now when I try to run it, I get this weird error:
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The error was:
I changed permissions to 777:
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To no avail!
It's got something to do with AppArmor.
I don't think it is installed on this system:
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Cannot start muse : Denormal protection enabled
View 2 Replies View RelatedI have setup a dhcpd server on my lan with the following option to reflect the static route to my private LAN.
dhcpd.conf
Code:
option static-routes 10.0.0.0 192.16.5.0
I've tested it on OpenSUSE, ArchLinux and even Windows dhcp clients and they've managed to pull the static route configuration. However, to my suprise on my ubuntu machines this doesn't seem to load. Is there anything that needs to be done on the client's side to get this to work?
How to tell dhcpd to listen to ifcfg-bond0 ?
View 1 Replies View RelatedI'm having some trouble with getting my DHCP service up and running on my server. Below is my /etc/dhcpd.conf file, which I believe is the right file necessary to get this service up and running correctly. When I do service dhcpd restart it just show in red letter [Failed] next to it.
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ddns-update-style interim;
ignore client-updates;
subnet 10.2.3.1 netmask 255.0.0.0 {
# --- default gateway
#option routers 10.2.1.1;
#option subnet-mask255.0.0.0;
#option nis-domain"domain.org";
#option domain-name"domain.org";
#option domain-name-servers10.7.8.1;
option time-offset-18000;# Eastern Standard Time
#option ntp-servers192.168.1.1;
#option netbios-name-servers192.168.1.1;
# --- Selects point-to-point node (default is hybrid). Don't change this unless
# -- you understand Netbios very well
#option netbios-node-type 2;
range dynamic-bootp 10.2.3.2 10.2.3.254;
default-lease-time 21600;
max-lease-time 43200;
# we want the nameserver to appear at a fixed address
#host ns {
#next-server marvin.redhat.com;
#hardware ethernet 12:34:56:78:AB:CD;
#fixed-address 207.175.42.254; } }
I'm trying to get dhcpd to use a specific IP address as the source address for responses it uses an IP address for. I coded "local-address 172.30.0.4" in the config file. For some responses it uses this address. For some other responses it does not. In those cases it uses the IP address that is the first on the interface. Is there another configuration I should be using, instead?
View 2 Replies View RelatedI have a router with ddwrt on it that runs a DHCP server. What I want to do is only allow people who have pre-determined MAC addresses to get an address to get on my network. That being said I have a VM set up as a DHCP Server. Since doing this I will be setting the dhcp settings on my router to be a forwarder to the VM. Is there a way to allow only static leases in the dhcpd.conf file? I do not just any computer on my network to get an address I want to base it on MAC addresses.
View 4 Replies View Relatedver: 9.10 how do I restart dhcp3 after changing dhcpd.conf?
View 3 Replies View Relatedwhat happens if "#chkconfig --level 345 dhcpd on a network with existing DHCP server"
View 2 Replies View RelatedHow to find IP address of computers in LAN served by simple DHCPd (in ADSL modem - without IP reservations/MAC address).
So is in Ubuntu something like on-fly name resolution in Windows ? Without running DNS server with some kind of DynDNS ?
e.g.
My comp has hostname "GoGo" but I get random IP address from DHCP.
How can other PC on same LAN resolve my changing IP address ?
Does anyone know where I can find RHEL compatible rpms for Bind 9.7 and DHCPD 4.1?
View 1 Replies View RelatedThis should not be this difficult. I have a plain install of Ubuntu 10.04 64 bit with a wired network card. It picks up a private IP address from my router. It has an app called NetworkManager Applet 0.8 in the notification area of the panel. If I right click on this app and select "Disconnect" it does. ifconfig shows that the IP address is gone. I can then right click on the app again and "Auto eht0 and I am connected again and ifconfig shows the IP address restored. So far, so good. I was testing a crossover cable to see how fast I could transfer files to/from my server - both machines have gigabit cards but my switch is only 100 Mb.
I unplugged the PC from the router, hooked up the crossover cable to the server and found that I had no connectivity - the IP address was gone. Not wanting to mess with hard configuring IP addresses for the moment I connected the PC back to the router. When I unplugged the cable the app showed the networking disconnected icon. I tried right clicking on the app and unchecking [ ] Enable Networking then rechecking it. This works on my netbook running Ubuntu 9.04. No luck on 10.04 (and I had not tried the Auto eht0 as described above - did not discover that until later). So then I tried to fix it from the command line.
ken@taylor12:~$ sudo /etc/init.d/networking start
Rather than invoking init scripts through /etc/init.d, use the service(8)
utility, e.g. service networking start
Since the script you are attempting to invoke has been converted to an Upstart job, you may also use the start(8) utility, e.g.
start networking
networking stop/waiting.
So I then tried
ken@taylor12:~$ sudo service networking start
networking stop/waiting
but still no connectivity. A reboot got things back in order.
Then I did a little more testing.
ken@taylor12:~$ sudo /etc/init.d/networking stop
* Deconfiguring network interfaces...
Ignoring unknown interface eth0=eth0.
and I am still connected.
Editing Connections within the NetworkManager Applet shows "Auto eth0 - last used never" even though I have used it. [Edit] Auto eth0 via the app appears to show information about my wired NIC.
ifconfig shows eht0 as active
ken@taylor12:~$ ifconfig
eth0 Link encap:Ethernet HWaddr 00:25:64:e8:18:2c
inet addr:192.168.0.112 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::225:64ff:fee8:182c/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2234 errors:0 dropped:0 overruns:0 frame:0
TX packets:2407 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
bytes:1824427 (1.8 MB) TX bytes:404086 (404.0 KB)
Interrupt:17
I have recently installed CentOS onto an old machine to get it up and running as a basic web/mail server. Originally the Network Interface worked ok, however I have been editing /etc/sysconfig/network-scripts/ifcfg-eth0 to try and set the IP address to be static.Now when I run the 'service network restart' command it won't bring the eth0 interface up and comes up with the following errors;
ifcfg-eth0 Line 3 DEVICE: command not found
missing config file ifcfg-ifcfg-eth0
It doesn't seem to like any of the command words, even though most of these were in the original file that worked and the ones I added to do static I have commented out.
I was setting up a new 11.4 system and disabled ip6 as we don't use it. After that I couldn't get X11 forwarding working. After searching around for a while, I found this topic [URL] ssh-x11-forwarding.html which at the end mentions enabling ip6. Magically, after doing that and rebooting I can now do X11 forwarding again. Just seems strange that IP6 is needed for X11 forwarding.
View 1 Replies View RelatedI'm a newbie on Linux and trying to find my feet so please be kind.I have installed vmware on my XP laptop and have installed fedora core 9. Network setting on the VMware is set to bridged. My interface eth0 which is using the wireless does not start on boot. I have to run ifup ifcfg-eth0.The file ifcfg-eth0 had onboot=yes and NM=no, so i changed it so that the NM=yes.However this does not resolve the problem at all. I have put the file back to its original configuration and I have disabled network manager and have had no luck
View 2 Replies View RelatedWhere I can get my wireless network running by typing the following lines of code:
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But I have to do this every time I boot the machine. Ideally, I want the machine to do this on it's own at startup.
Also, I'm totally new to linux and I don't really understand what the 1st line of code is doing? The 2nd is just to check that the 1st line worked, and the 3rd does the settings for the wireless network I'm connecting to.
If you want to get into why I have to do this every time, then look at my original thread. But I started this new thread just to find out how I can get these lines of code done automatically at startup.
I've got a Kubuntu Karmic install that I ssh into on a frequent basis. It stays running 24/7, but sometimes the power goes out, etc. and it reboots.
The thing is, when it reboots, before I log in to KDE, there is no network connection. It is only after I log into KDE that nm-applet (I use the GNOME one because it works better than KNetworkManager) makes the connection and gets an IP address. And it does so completely automatically...no customizations by me. If I try to connect manually (sudo ifup eth0) before log in, I don't get an IP address.
How can I get it to connect to the network and get an IP address at boot, before I touch it?
I have 10.04 installed on my HP MiniNote Netbook. If I plug it into the the ethernet directly, all is well, but if I only use the wireless, i get no DNS servers. And one of my wireless networks is on the same router as the wired connection. Also, wireless works just perfectly on my MacBook Air. So, I do not think it is the router. So why am I not getting DNS addresses? How would I set them manually? I can't figure out how to start network manager.
View 2 Replies View Relatedjust installed ubuntu 11.04 on my old laptop (Dell latitude XT), to experience this OS. But for some reason I cannot get online, both wired and wireless network are 'grey', and i cannot enable them. Even when I try to go online with a USB wifi dongle,I also cannot enable wireless. Enabling Networking is selected.
I include the information I collect and hope this will allow you to give me a diagnose on how to make my wireless work.
lspci, for the build-in card
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