Fedora Servers :: Use Dhcpd To Assign Vpn Clients Their IP And Configuration?

Jan 24, 2009

Is there a way to use dhcpd to assign vpn clients their IP and configuration?

I'd like to have dhcpd listen on br0 (already set as so that devices conecting through eth1 and tap0 (should I be using tun?) will get the same address pool.

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Ubuntu Servers :: Clients Can't Use The Email From The Outside - Configuration / Synchronize?

Mar 22, 2011

I have one local mail server hosted in Mdaemon in my office and ip is My clients can't use the email from the outside. If they want to use the mail, they need to come to office. I want them to use from the outside. How can i set up the mail server. Do i need to host the server on the hosting? I want to synchronize with my local mail server. I don't have the public IP BTW.

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Fedora Servers :: Can't Install Dhcpd On F12/13?

Sep 26, 2010

I am trying to install dhcpd on my Fedora 13 VM. I'm using VirtualBox and I installed using the i686 image. I did yum update and everything was fine. When I do yum install dhcpd , I get the following error.

Loaded plugins: presto, refresh-packagekit
Setting up Install Process
No package dhcpd available.
Nothing to do

I also tried yum clean to clear cache but that didn't help either. I installed Fedora 12 in a different VM and tried but with no luck. Also tried installing using i386 DVD but same error. I should also mention that what I'm trying to do is that I'm trying to set up a relay agent on my Fedora gateway.

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Fedora Servers :: DHCPD Failed To Start In F11

Jun 21, 2009

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.

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Fedora Servers :: DHCPD Daemon Failed To Start

Mar 5, 2009

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.

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Fedora Servers :: Dhcpd Option Depending On Manufacturer?

Jan 7, 2010

I would like to send a specific option 15, domain-name, to a few clients on a network from a specific manufacturer. Usually all clients [URL] from the DHCP server, but when a client with mac address bellonging to manufaturer A asks for an IP address I would like to give them [URL] How would I go about doing this? Feels like it should be possible but I am not sure how.. I remember doing something similar in a microsoft DHCP server using vendor-identifier and passing out a vendow-specific option.


class "xxx" {
match if substring (hardware, 1, 3) = 00:00:10;
option domain-name "yes.this.works.com";

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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:

options {
directory "/var/named";


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Fedora Servers :: Cannot Assign IP Address To Eth0

Feb 17, 2009

Just Installed Fedora 10 on Dell PowerEdge 2950. Installation went fine. Problem is I cannot Assign a Ip address to eth0. Service "NetworkManager " dies on its own "ifconfig eth0 192168.0.8/24" works though.

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Fedora Servers :: Command Can Run In Terminal To Help Assign Permissions?

Jan 4, 2009

Im running samba on fedora core 7, im abit new to the server part of fedora, i set up samba and it runs well, only issue i have now is resolving permissions( User Rights)i have a shared folder which has alot of files and many subfolders in it, the files and folders in this shared foldr were copied from our old Novell Server through samba, i need to assign permissions to this folder where by a defined usergroup can have full read and write permissions to all the files and folders and sub-folders in the shared folder. i tried doing it in GUI but i realized there were over 1000 subfolders.is there a command i can run in the Terminal to help me assign the permissions?

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Fedora Servers :: CUPS And LPD Clients - Cannot Add Printer?

May 12, 2009

I'm working on CUPS server here now, I am new to the whole Fedora area, I'm starting to like it, tackling one service after the other. I have cups, which I don't recall installing but was there guess its a default. So I added a printer on my server, that was on a block, added it as lpd:// Ok that worked and printed from my server, but my problem is when other machines try to add the printer. I continue getting this problem
Alberto "recoverable: Network host '' is busy; will retry in 30 seconds..."
On the computer it was added as printer lpd:// because my server has that IP and printer well named it alberto. I followed what this said with the xined.d [URL].

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Fedora Servers :: Samba Will Not Allow Any Clients To Connect ?

May 17, 2010

I've done this before, maybe ten times. This time is different. I don't know why, but Samba will not allow any clients to connect.

I've done:
- installed samba
- setup the samba shares
- have a samba user/passwd
- authentication = users
- punched in the samba stuff for firewall
- workgroup is set right

What the heck? I cannot get any client to connect. Not even the server machine can connect to itself through a client. What am I missing here???

Just for the record, I'm trying to connect to \SERVER:



I removed a whole lot of comment lines in the config file.

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Fedora Servers :: Serving Windows Thin Clients

Jan 19, 2009

My brother and I want to set up a server off of which we would provide the processing power for several thin clients. Is it possible to serve the thin clients with images of Windows XP to run?

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Fedora Servers :: Server And Clients (NFS And NIS) Are In Continuous Attack Via Ssh?

Aug 25, 2009

My server and clients (NFS and NIS) are in continuous attack via ssh. Somebody is trying to guess password and login, and making port 22 busy.What are different ways to stop this attack?I am thinking to block this ip in iptable but I have no good idea because I have not done this before. Any special consideration do I have to take while doing this thing? How is it done and which file does it modify?

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Fedora Servers :: Create A Pxe Boot For Windows Clients?

Jul 23, 2010

is it possible to create a pxe boot server on fedora for windows clients?

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Fedora Servers :: Process Of Updating All The Clients Nodes To The Same OS?

Jun 22, 2011

I'm having a problem with NFS. I'm trying to mount /home, which is on the server, to the client nodes. The server is currently running FC14 (64 bit) and I'm in the process of updating all the clients nodes to the same OS. Currently, all the client nodes are running FC8 (32 bit) and are capable of mounting /home on the server. However, the one client node that I have updated to FC14 is having problems mounting /home. I can ssh to the node with no problem however I get the following message:

Could not chdir to home directory /home/myuserid: Permission denied. Now, if I excute the following command: "sudo mount -a" I get no errors and now I can see my home directory.

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Fedora Servers :: MySql Compromised - Access Denial On Really Clients

Feb 16, 2011

My Linux server which is running my company website have been hacked. Today I saw a number of clients (customers) with some fun characters entries on my database. Access denial on really clients.

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General :: Dhcpd Can't Create Dhcpd.pid Ubuntu 11.04 (natty)

Jun 20, 2011

I've found a lot of pages of how to fix the issue on older releases of dhcpd and ubuntu.

#> ...
#> 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

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Debian Configuration :: Dhcpd Server Behavior Seems To Have Changed In Squeeze?

Aug 9, 2011

I've been using dhcpd for address assignments to PCs for a very long time with no issues. I recently upgraded from lenny to squeeze and now dhcpd seems to have new behavior which I can't seem to change. Here's what I want to do. First, I have a simple situation and don't want to get involved with dynamic DNS updates. I have host statements for each of my PCs and a range statement for cases where I install a new device and don't yet have a host statement for it. Previously, I could discover the ethernet address for the new device from the dhcpd log and add a host statement with an address of my choosing for the new device.

I'd then restart dhcpd and do something like reboot the device or issue an ipconfig /renew statement on the new PC. What would happen is that the old dynamically assigned IP address would be NAKed and the device would do a DHCPDISCOVER, etc. and get the new IP address I specified in the dhcpd.conf host statement. In squeeze, this no longer works. The client asks for the old address it got dynamically and the server just says yes. I can't seem to find a way to get it to NAK the dynamic address and use the new address I've specified in the host statement. I'd appreciate any enlightenment on how this is now supposed to be done. Here's my simplified dhcpd.conf file:

log-facility daemon;
ddns-update-style none;


Note that the address here was assigned based on a previous range statement and isn't consistent with the above config file.

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Fedora Servers :: Configure Evolution-mail Clients Through SQUID Proxy?

Jul 27, 2011

I have configured router( to serve only one machine with IP - '' and set up SQUID proxy on ''. I have defined some rules(ACL) regarding connections to internet on SQUID proxy.

I changed the Gateway of rest of machine ( - from '' to ''.

The policies which I defined in SQUID is working properly but 'Linux Evolution mail' client is not fetching mails.

Is I have to do any other settings on 'Linux System' or 'Evolution mail client'.

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Ubuntu Servers :: Dhcpd Not Updating DNS Records In Bind9?

Jun 26, 2010

I'm having trouble getting dhcpd to update DNS records in bind9. I'm not seeing any journal files created for bind9. The following appears in syslog when a client machine connects to the network:

Jun 26 04:07:22 ubuntu dhcpd: DHCPDISCOVER from 00:23:df:44:78:83 via eth0
Jun 26 04:07:23 ubuntu dhcpd: DHCPOFFER on to 00:23:df:44:78:83 (Computer1) via


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Debian Configuration :: Assign Devices To Pci-stub

Apr 24, 2016

I'm trying to assign pci devices to pci-stub at boot before any of the kernel drivers can access it. I've successfully managed to do this on a Ubuntu system but I cannot get it to work on Debian. I've set pci-stub to load as a module in /etc/modules. I've then tried both these methods:

Add pci_stub ids=8086:100f to /etc/initramfs-tools/modulesSet GRUB_CMDLINE_LINUX_DEFAULT="pci_stub.ids=8086:100f" in /etc/default/grub.

Both give the same result after updating grub/initramfs and a reboot: when I check "dmesg | grep pci-stub" I get:

Code: Select all[ 1.522487] pci-stub: add 8086:100F sub=FFFFFFFF:FFFFFFFF cls=00000000/00000000

The actual device id's are not claimed by stub. Same for lspci -v which shows that the devices are still using the kernel drivers.Again, this configuration works on Ubuntu. Also issuing the following commands successfully assigns one of the devices to pci-stub but I need it to work on boot before the kernel drivers load:

Code: Select allecho "8086 100f" > /sys/bus/pci/drivers/pci-stub/new_id
echo 0000:02:02.0 > /sys/bus/pci/devices/0000:02:02.0/driver/unbind
echo 0000:02:02.0 > /sys/bus/pci/drivers/pci-stub/bind

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Debian Configuration :: How To Assign Specific Local IPs In Home LAN Using DHCP?

Apr 29, 2011

I have some beginner questions about DHCP, Avahi, and configuring a small home LAN.Suppose I have a dynamic IP address assigned by my ISP, which requires DHCP be enabled in my dsl modem/router/"firewall" [sic]. Suppose for simplicity I have just one PC behind the dsl modem.I think "enabling DHCP" in the modem/router means that a DHCP client runs on the router, which communicates with a DHCP server run by my ISP when I boot up a PC on my LAN. Is that guess correct? Can I get DHCP to assign a particular local IP, say (which is not the one taken by the router--- for this discussion, let's say that is to my PC each time I boot it up?

Now suppose I want to build a stand-alone firewall, so that my LAN will have the firewall and the first PC behind the modem, with the first PC virtually behind the firewall. By default, I think these will both have DHCP clients running which I need to configure properly. The firewall should also have a DHCP server which should control how local IP addresses are assigned, correct? I should try to arrange that the LAN has only DHCP server, only one NTP timeserver, only one DNS nameserver, correct?My first PC seems to have installed an autorun client called Avahi, which performs DNS multicast services and incorporates something called zeroconf which seems to have something to do with remote desktops, which I don't need and which is a potential security hazard. But it seems that Avahi is an intrinsic part of the KDE desktop and cannot be removed. Just want to be sure that Avahi can coexist comfortably with dhcp3-client, which is also installed on that PC. They perform different tasks, correct?If I can get the stand-alone firewall to work, I know I need to turn off the commercial firewall in the dslmodem/router/firewall device. Should I purchase a bridge and try to turn off the routing function also?

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Ubuntu Servers :: Assign Static IP Or DNS Name?

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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Ubuntu :: Push Locale Configuration To A Lot Of Clients?

Sep 1, 2011

I want to ask a question regarding on the "locale" problem. I've searched a lot on Google, but I think there is no detailed information and logic explained this topic well. Someone may suggest use Preference->Administration->Language Support to add or change whatever language I want. I can't use this way beacuse:

1. I need try to push locale configuration to a lot of linux clients.
2. I want to know the detailed information of how to configure.

I have tried to find the most helpful page on the Internet and read some "man locale":


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Ubuntu Servers :: Possible To Assign Different User To VirtualHosts?

Mar 16, 2010

I am new with Linux but really be interested in it. I would like to ask that if it is possible to make each VirtualHost only controllable by a specific and different user? If so, how to?

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Ubuntu Servers :: Apache 2 (99)Cannot Assign Requested Address?

Mar 20, 2010

my Apache2 was running fine for a while. Bur yeserday when I tried to start it again after a couple of weeks of vacation, I got the message:

* Starting web server apache2 [Sat Mar 20 10:48:12 2010] [warn] The Alias directive in /etc/phpmyadmin/apache.conf at line 3 will probably never match because it overlaps an earlier Alias.


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General :: Squid Delay Pools Configuration For 3 Types Of Clients

Mar 4, 2011

I want to configure squid delay pool for the following scenario:

Internet Connection Speed: 7Mbps
3 Types of clients
Type 1: unlimited access to bandwidth
Type 2: 1.5 Mbps
Type 3: 512 Kbps

Unlimited access ip address,2,5,10
1.5 mbps ip addresses,4,6-9,11
512 mbps ip addresses

How to create acl for these ip's and delay pools for above speed.

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Ubuntu Servers :: Assign The Static IP Address Of Internet Connection

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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Software :: Assign New Gateway When Servers Hosted On Non DHCP Network

Jan 29, 2009

Does anyone know if you switch networks Where you have your servers hosted on a Non-DHCP Network, and you switch your IP addresses, then do you have to switch change/assign your new gateway address? I'm not sure if its manually assigned? How do you do it? Also what about nameserver resolving?

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Debian Configuration :: LTSP : No Sound With Iceweasel And Flash Plugin On Clients?

Aug 24, 2011

i set up an ltsp server on debian squeeze. after a standard installation, sound doesn't work on clients.


when i start iceweasel normally (executed on server side), i get sound on the client. when i start ltsp-localapps iceweasel, i get no sound on flash sites and videos videos.what's wrong ? with local apps, is it possible that the flashplugin-nonfree doesn't talk to alsa ?

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