Fedora Networking :: How To Manage Eth0 While Use Gnome
Jun 3, 2011
I'm using Fedora 14 with gnome as my GUI.As you know , there's gui tool which manages network adapter , either wireless or wired.After every login into fedora , I should click on network manager icon on taskbar and choose System eth0 to establish and enable eth0. I want it to be done automatically.
Previously , I used opensuse 11.4.It has a tool in yast which allows you to choose how to configure your network adapters , traditional or knetworkmanager mode.I can't find this like tool in gnome on fedora.
how I can configure network adapters to start or not during startup?
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Mar 25, 2009
How can I make iptables allow my windows client to see my PC / smb shares? When I turn off the fedora firewall it just works fine, but how can I manage smb in a more secure way via iptables to work?
Code:
iptables -A INPUT -s 192.168.0.0/255.255.255.0 -j ACCEPT
But where do I get the correct address from? Will this example allow only 192.168.0.0 (is this a valid IP at all, usable by any PC? ) or anyone in the network (aka 192.168.0.*) to access my share?
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Dec 10, 2010
is there an Xwindows client to connect to my FC14 server to manage it? Like not Xindows on the server but on a windows machine. Are there other, better ways to manage it?
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Apr 6, 2011
I got myself into some trouble this afternoon when I thought I would give xmonad a try on my HP mini 210 that runs f14 lxde spin. so, after installing xmonad and dmenu and playig around a bit I found out that my wifi doesn't work. I tried ifup but I get the 'usage: .." response which I have read means that the programm can't find a configuration file for the device (and I am pretty sure that some programm was managing these files for me up until now).
I have tried to run system-config-network, which defaults to the tui version for some reason, I guess at this point that the normal gui is based on the gnome backend or something? Anyway, the terminal version just outputs a bunch of info about the devices that exist on the system (eth1 the broadcom wifi device is also listed) and then exits.
Anyway, in the normal lxde desktop you could use the gnome network manager, I guess this is not the case when running xmonad. So how do I do this? Links to documentation are welcomed. EDIT: some info about how I get to xmonad, the machine uses the standard LXDM login and from there I just select the xnomad window manger before logging in. I mean I am not trying to use it on top of anything else (eg. xmonad/gnome or xmonad/lxde etc.)
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May 30, 2009
im using fedora 10 with gnome on a laptop, i want to increase power to my wifi adapter as im only getting 40% connection strength to the nearest wifi AP (about 20 feet) in windows under power management there is a slider with best performance against battery life, is there a similar setup in fedora 10? ps, if explained fairly well, i dont mind shell scripting (bash) and compiling.
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Aug 19, 2009
5.10 Breezy configured as machine controller. Works great eth0 is a fixed IP to communicate with controller comms board. Not easy at all to alter - the comms board is hard coded to listen on eth0 for commands.
I can use eth1 as the default gateway and ping google.com, etc. But when I now attempt to communicate with the controller with netcat, e.g.
Code: echo !HH | nc 192.168.1.6 80
I obviously never get an answer since the request is passed via eth1. Using the -g option with netcat doesn't work either. I had a look at iptables but it doesn't seem to be able to do what I want. How I can still use eth0 as my communication port to the controller whilst eth1 is the default gateway?
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Jul 1, 2010
I have two servers on a vlan at my datacentre/colocation and previously both servers had public IPs on their eth0 interfaces. The servers are HP ProLiant DL360s - one is a G4 and one is a G5 The newer G5 is now the LAMP server and the G4 has been retired and I want to repurpose it as an iSCSI target using openfiler freenas or similar.
My G5 has public/static IPs lashed to the eth0 physical interface and the eth1 is not configured to do anything yet. The G4 will have both interfaces available - perhaps one for ssh access from one of my static public IPs and the other to be a private IP on the local vlan. Here is what I am trying to get my head around...
The G5
eth0 - Public IP - full LAMP services on two or three virtual interfaces
eth1 - Private IP 192.168.0.1
The G4
eth0 - Public IP for ssh
eth1 - Private IP 192.168.0.2
Because my traffic between eth1 on these boxes is via private IPs on the local private vlan it doesn't add to my quota for bandwidth. How do I go about configuring the routing and gateways and other aspects of this so that I can run a private IP space network between the eth1s and still serve the outside world from the eth0s...
I am afraid that if I assign the private IPs to the eth1 interfaces the routing may either not work or interfere with the access to the production internet facing interfaces (eth0s).
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Jun 8, 2011
Last week I upgraded from Squeeze to Wheezy. Everything seems to be in order, except now launching empathy will get my 4 separate GNOME keyring prompts in a row. I guess my keyring got copied for some reason, but I can't figure out what package to install to deal with my keyrings, as gnome-keyring-manager is only in sid...
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Dec 18, 2010
I'm running a dual boot Ubuntu 10.04/Backtrack 4 (Ubuntu 8.10) system. I can get internet in the BT4 side but not in the Lucid side. In Lucid I can ping my router, and the network manager says I'm good to go, but I can't get to any web sites. It all started when I tried to put my laptop on another network by mimicking the settings of a computer I had just unplugged from the network. MAC address and all.
ifconfig eth0:
Code:
eth0 Link encap:Ethernet HWaddr 00:1f:16:ba:4c:8c
inet addr:10.136.9.147 Bcast:10.136.9.159 Mask:255.255.255.240
inet6 addr: fe80::21f:16ff:feba:4c8c/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
[code]....
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Apr 22, 2011
im trying to setup eth0 with subdevice eth0.0 and eth0.99 to come up at boot
eth0 is dhcp clint
eth0:0 is static ip
eth0.99 is 802.1q vlan interface
/etc/network/interfaces
Code:
auto lo
[Code]....
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Aug 2, 2009
I downloaded Fedora 10 32bit and put it on a Dell Dimension 8200 to save it from the recycle bin. Everything seems to work except I cannot get an IP addr. Roadrunner is my ISP using a cable modem and a Linksys Instant Broadband Series Etherfast Cable/DSL router model BEFSR41. In system-config-network, the nic shows inactive. If I activate it a window opens saying "determining IP information for eth0". After a short time the message adds the word "failed". Using a Windows PC on the same network, I can look at the DHCP connections on the Linksys and I see the MAC addr for the PC running Fedora.
From the OS installation, /etc/sysconfig/networking/devices/ifcfg-eth0 has following:
DEVICE=eth0
HWADDR=00:80:ad:d1:88:c9
ONBOOT=yes
[Code]....
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Jun 21, 2010
I'm guessing this is a r8169 problem. This worked for a while after upgrading to fc13 (from fc12)
I'm not able to get off the local network with eth0. I can though with eth1. Both interfaces are connected to the same switch and have the same network, gateway, and dns server addresses.
The odd part is I am able to ping eth0 from off the LAN and get a reply.
Wireshark capture is attached.
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Jul 9, 2010
I can't start eth0 and have read thru many of the threads on this and can't figure it out. What does this message mean?
Code:
[jeff@chladni ~]$ ifup eth0
Active connection state: activating
Active connection path: /org/freedesktop/NetworkManager/ActiveConnection/13
[Code]....
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Dec 26, 2010
i install kernel rpm after i boot that kernel network not working kernel name : kernel-rt-trace-2.6.24.7-132.el5.centos.i686 [URL] error "Bringing up interface eth0: Device eth0 has different MAC address than expected, ignoring."
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Apr 1, 2009
I just installed Fedora 10. I entered my static network info in Network Configuration. When rebooting, the eth0 says Inactive. I've read many articles about this problem on earlier versions and tried many of the suggestion, but have not found a definite way of solving this. Is there a better way or a workaround to get this machine on the network?
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Feb 4, 2010
I'm using Fedora 12 on a box with 2 separate NICs in different subnets. The problem is that after a reboot, both NICs always show up as eth0 when you left click on the networking icon on the top right. I have to manually change one of them to eth1 & then things start working.
DEVICE=eth0
HWADDR=(mac address)
BOOTPROTO=none
TYPE=Ethernet
ONBOOT=yes
[Code]....
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Aug 27, 2010
I use my T61 both wireless and in the dock, where I switch to the wired connection. After the latest round of updates, I seem to have lost the ability to switch to the wired network. When I turn the laptop on, I see it connect to the wireless network, but when I left click on the tray icon under Wired Network is says Device not managed.I have not made any changes to anything in the last couple weeks, besides some updates. How do I go about getting the wired network back in there?I tried to add eth0 back into System - Preferences - Network Connections, but whenever I try and add eth0, but it still says Device not managed.
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May 21, 2011
I am unable to connect to the internet in fedora (XP connects fine) I normally use wifi, but have also checked the wired connection.
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Jan 6, 2011
my eth0 connection is not automatically connected when fedora starts. I checked " activate device when windows starts" in network configuration. still it is not auto connecting and after connection the network icon is not changing to connected status although it is connected.
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Jan 12, 2010
I am trying to setup linux box as router.
What i am trying to do is:
1. I am trying to setup NIC via network not NetworkManager
2. I have assigned the ip to both NIC with #ifconfig eth0 192.168.1.1
3. #Ifconfig shows my nic and ip
4. restart the service network .
5. #ifconfig shows nothing. NO NIC card
I dont want the network manager coz i dont want to install the gui on router and network manager works only in gui mode. ( i think my this understanding is correct)
I tried to configure the NIC with Network Manager
When ever i restart the network service i have no out put from ifconfig
I tried to configure the NIC with #setup command as well and select the dhcp option
I can not find any ifcfg-eth0 in /etc/sysconfig/networking-scripts/
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Jul 30, 2010
I try to generate a server client code. What i try to do is sending video streams from eth0 and eth1 to the other server programs' eth0 and eth1. In order to do that, i decided to use SO_BINDTODEVICE. But the code is not working. Am i misunderstood the usage of SO_BINDTODEVICE.
1-Defining two ports
2-Defining two sockets
3-Assigning host ips on them
[code]....
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Mar 29, 2009
I've a desktop running Fedora 10 connected to the Internet via LAN. There's 3 network controllers in the desktop. One integrated to the motherboard and two additional. I would like to connect other computers (two laptops, one running fc9 and the other Window$ XP) to the Internet via the desktop. I googled the question and found out that I need to adjust thing called 'NAT'.
For that purpose I did the following:
iptables -t nat -A POSTROUTING -s 192.168.2.0/24 -j SNAT --to-source 192.168.*.*
where 192.168.*.* - is desktop' IP address. I want to use 192.168.2.0/24 as a network for laptops. I activated one of devices (eth1), gave it IP address:
ifconfig eth1 192.168.2.0/24
and connected f9 laptop to it.
On the laptop I activated eth0 with the same IP. The problem is: it doesn't work. I can't ping anything from the laptop except its own address (192.168.2.0).
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Apr 3, 2009
I have two network devices :
1. Intel Corporation 82574L Gigabit Network Conncection (Currently eth0, Mac=00:0e:8c:ab:c6:b1)
2. National Semiconductor Corporation DP83815 (Currently eth1, Mac=00:0e:8c:8a:70:62)
I want to change them so that the "Intel" become eth1 device and the "National" become the eth0 device.
I already tried these steps :
1. I disabled the Network Manager and enabled network
2. Edit the /etc/udev/rules.d/70-persistent-net.rules like this
Quote:
3. Change the /etc/sysconfig/network-scripts/ifcfg-eth0 and /etc/sysconfig/network-scripts/ifcfg-eth1 MAC addresses.
4. Reboot
5. After it bootup the Fedora can't recognize the devices, if I do ifconfig -a it shows "eth0_rename with FF:FF:FF:FF:FF:FF mac address".
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Apr 17, 2009
I'm running fc10 x64 - latest updates. First I could never get wake on lan to work - spent days working on that one. Now, when I restart after a hibernate my eth0 is not re-enabled or recognized anymore. About to give up on Fedora.
I've tried service network restart.
I've tried unplugging cable and plugging back in.
I've tried init.d/networkmanager restart.
Only reboot works.
I've spent so much time trying to configure Fedore Core 10 for a Dynamips server and it's just not ready on some of the essential things like this hibernate problem and also wake on lan.
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Oct 18, 2009
I've got a 64 bit home server system that was upgraded from FC2 to 7, 9, now 11. I've now got a weird situation where dns inquiries will not work when I reboot the machine, until i restart eth0. When I reboot, I can open firefox on the machine, put in the IP of my dsl router, and look at it's settings just fine. All other internet uses, whether it's yum,squid, or etc. comes back with the usual name server not found messages. I've got thenetwork setup to use the named on this server, ( the web's a tad bit slower when I set it up to use ISP's windows nameservers, go figure).
Anyway, a few years ago I set up the machine to use the network service to bring theseinterfaces up. (I believe this was because the early versions on Networkmanger had some issues. In an attempt to fix this issue I reset Networkmanger start at startup, and reset up eth0 and 1 to be controlled by it.I then got namserver1=XXX.XXX.XXX.XXX in resolve.conf at reboot..(yeah they were really X's, I'm not hiding an ip here) I tried going intonsswitch.conf, found the line hosts: files mdns4_minimal [NOTFOUND=return] dnsand changed it to:hosts:files dns mdns4_minimal [NOTFOUND=return]No joy, I still have to do an ifdown eth0 and an ifup eth0 to get dns to work..
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Oct 24, 2009
When I activate eth0, the system says that the eth0 seems not exist. However, I can surf in the internet.
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Dec 19, 2009
I am trying to get networking up on an old PII which I have successfully installed with FC4. There is a link and activity on the onboard interface because I see the indicator lights. The controller is a 3Com PCI 3c905 Boomerang 100baseTx @ 0xdc80.The only message returned by dmesg about eth0 is "Dropping NETIF_F_SG since no checksum feature."The driver module, 3c59x, is loaded as well as the mii module that depends on it.There is something about "unknown parameter`irq'" in the dmesg text regarding the driver.I noticed that eth0 is sharing an IRQ with the UHCI Host Controller.That should not be a problem, but it should not be necessary. And I could do away with USB if this is a conflict and that is the easiest way to solve it.When I drop to console at runlevel 3, and call dhclient, which is installed, I get a message telling me there is no reply to the dhcp request.I don't think the problem is on the router/switch side.
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Jan 31, 2010
I have two network interfaces on my computer but only one of them is connected to an Ethernet cable. Until now on every Fedora release, the activated primary interface has been named as eth0 and everything has always worked well without any problem. Recently I switched to Fedora Core 12 and surprisingly I observed that for the first time, my primary interface has been considered by the system to be eth1 instead of eth0. I tried to replace the content of ifcfg-eth0 by ifcfg-eth1, yet system gave me an error that there was MAC address mismatching. I conserved their MAC addresses in their files and just replaced other connection parameters ( such as IP ADDR, NETWORK, NETMASK, etc.) but it did't work. When I do "server network restart", the command blocks.
As I try to install oracle on this system, regarding the fact that oracle requires static network configuration on the primary network interface, I don't know how to proceed in order to set eth0 as my primary interface (or rather set the current eth1 to eth0 because it is actually eth1 that refers to my activated primary network card).Just one more time, I would like to remark, that with previous versions of the Fedora Core, on the same computer (with the very same two network cards) I never had problem and I had installed oracle on the system with success, having the statically configured eth0 correctly detected by the system.
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Mar 29, 2010
I just finished installing Fedora 12 on a rack mount server. I was modifying the /etc/sysconfig/network-scripts/ifcfg-eth0 file to use a static IP address, but now nothing works. The device does not boot on start up or anything.Currently, ifcfg-eth0 looks like:
Quote:
DEVICE=eth0
ONBOOT=yes
BOOTPROTO=none[code].....
The eth0 device does not start on boot; the server does not get the IP address, is not reachable over the network, and will not connect to the internet....
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Nov 13, 2010
I have a couple of interfaces in a Fedora 14 box:
eth0: internet provided by an adsl router
eth1: LAN
I set up system-config-firewall to masquerade all outgoing traffic in eth0, as I did in other Fedora 13 boxes, but it seems it doesn't work. It sets to 1 /proc/sys/net/ipv4/ip_forward and also set the appropriate rules in iptables. But all traffic is blocked from the LAN to the Internet. "ping www.google.com" works in the Fedora box, but doesn't work in the LAN computers using the F14 IP as gateway. I have another F13 computer elsewhere configured this way and it works fine. But this one has Fedora 14.
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