Fedora :: Wireless Unavailable / No Ifcfg-wlan0 File?

Jul 2, 2011

(and new-ish to Linux in general) and would appreciate some assistance with fixing a problem I'm having with getting wireless working on my computer.Computer specs: Lenovo Thinkpad Edge 520, I5Wireless card: Intel WiFi Link 1000 b/g/n(Note: I also have a Netgear USB wireless adapter, and trying to use this does not solve my problem)I cannot activate wireless. When I go to Network Settings > Wireless, it is listed as "unavailable", and "off". When I try to switch wireless "on", it says "disconnected", but then immediately switches back to "off".Having tried to browse various forums and such for a solution, I tried looking for the file ifcfg-wlan0 under /etc/sysconfig/network-scripts, but it doesn't exist

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CentOS 5 Networking :: What Is Meant By The "ADDRESS0=" In The Ifcfg-wlan0 File

Dec 31, 2010

Running CentOS5.4 on home-build.The wireless card setup is working,at least with regard to internet access through a Linksys router.Trying to set up Windows shares using SAMBA has been problemmatic. After many searches the ifcfg file seems to be a mystery. So what is meant by the "ADDRESS0=" in the ifcfg-wlan0 file. it is the ""the NETWORK that matches the NETMASK". But even that I cannot quite understand (apparently) as my efforts to enter different items in this file have all failed.

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CentOS 5 Networking :: Meant By The "ADDRESS0=" In The Ifcfg-wlan0 File?

Jan 21, 2010

Running CentOS5.4 on home-build. The wireless card setup is working, at least with regard to internet access through a Linksys router. Trying to set up Windows shares using SAMBA has been problemmatic. After many searches the ifcfg file seems to be a mystery. So what is meant by the "ADDRESS0=" in the ifcfg-wlan0 file. Searches suggest it is the ""the NETWORK that matches the NETMASK". But even that I cannot quite understand (apparently) as my efforts to enter different items in this file have all failed.

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Fedora Networking :: Can Not Find Directory Ifcfg-ifcfg-eth0

Jun 1, 2011

When I do service network start it is giving me the error grep : can not find directory ifcfg-ifcfg-eth0....

For some reason it is adding another ifcfg to my ifcfg-eth0 file.

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Fedora :: Set Up A WPA2 Wireless Connection Using The Ifcfg Method?

Dec 8, 2009

NetworkManager is a powerful tool for setting up a wlan connection, especially if you connect the laptop to multiple access points. One drawback is that the user accounts must be given access to the pass
phrase. Another is that there is no wlan connection in run level 3, because nm-applet is an X application.If you connect to the same access point all the time, e.g., your own wireless router, a permanent connection via ifcfg might be more convenient. It is controlled by root. All user accounts have wireless access without knowing the underlying details. Further, there is a wireless connection in run level 3. After a lot of trial and error and Google searches, I was able to put together this guide by splicing together one step used in Slackware (from Alienbob's web page) with other steps outlined in this online article http://home.roadrunner.com/~computer...hwireless.html.

It is assumed that the appropriate kernel module for the wlan card is installed and that
$ iwconfigshows a viable wlan0 interface. We are using DHCP. (If using static IP, edit ifcfg-wlan0.)The following steps work on a Compaq Presario F756NR notebook with a Atheros AR242x 802.11abg WLAN card using the ath5k kernel module (without madwifi). I am using 64-bit F12. All commands are executed as root.1. $ yum install wpa_supplicant dhclientProbably already installed, especially dhclient. If so, skip.2. $ cd /etc/sysconfig && vi wpa_supplicantInsert the following lines:

OTHER_ARGS="-f /var/log/wpa_supplicant.log"


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OpenSUSE Wireless :: Cant Get IP From DHCP. Dhclient Wlan0 -> No Such File Or Directory?

Jul 28, 2011

I was trying to connect to wireless via cmd:

* ifconfig wlan0 up
* iwconfig wlan0 essid 'XXX'
* iwconfig wlan0 key XXXXXXX
* dhclient wlan0 -> here i get error:
ls: cannot access /var/run/netconfig//wlan0/: no such file or directory

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General :: Fedora Ethernet File Locations For Auto Eth - X - Devices Missing Ifcfg-ethX Files

Jul 24, 2010

Missing ifcfg-eth[2-5] fileset for ZNYX 345Q Quad Port 10/100 cards. I have showing in the gui network device that my ports for my ZNYX ZX345Q Quad Port card my ports are Auto eth2, Auto eth3 etc. My Motherboard and Intel cards show as System eth0 and System eth1.

There ARE corresponding entries for those in my /etc/sysconfig/network-settings/ directory, but there are not ifcfg-eth[2-5] files to correspond to these adapters. Can I just write my own files and that will do it?

How does Fedora 12/13 load these drivers into the kernel without having these ifcfg files?

I'd love to know if there is another way Fedora controls NICs / other system resources.

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Fedora Networking :: Bring Up Wi-fi PCI Card (ifup Wlan0 Or Ifconfig Wlan0 Up) Whole PC Just Hangs Until Power It Off

May 20, 2009

When I try to bring up my wi-fi PCI card (ifup wlan0 or ifconfig wlan0 up) my whole PC just hangs until I power it off.

I believe I have the right drivers, but cannot see what I am doing wrong.

I'd really prefer not to go down the ndiswrapper route.

Firstly, I can see the PCI card and the driver it is using :

[J@gx260-f10 ~]$ lspci -k
01:08.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8185 IEEE 802.11a/b/g Wireless LAN Controller (rev 20)


the PC just hangs for ever. No mouse movement, ctrl-alt-del, nothing.

I have downloaded a Linux driver from Realtek but it will not compile. I have the latest kernel-devel, headers, and gcc. I can post compiler errors if anybody would like. They're all apparently to do with missing parameters.

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OpenSUSE Wireless :: Wireless Not Working \ When Click On Networking Panel, It Says WLAN Interface Is Unavailable?

Jul 8, 2011

I have just installed openSuse 11.4 KDE 64-bit on a Dell M1330. When I click on my networking panel, it says WLAN interface is unavailable. I've followed the steps in the stickied post and found the WLAN hardware info, a screenshot of which is below:Uploaded with ImageShack.usNext it says to do this - you need to look at the logs, in particular the info in /var/log/boot.msg. To see this, you need YaST => Miscellaneous => System Logs and select boot.msg.In YaST there is no such option for system logs under miscellaneous, so I can't do that. The results of the sudo /usr/sbin/iwlist scan command produce the following:

root's password:
lo Interface doesn't support scanning.
eth0 Interface doesn't support scanning.


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Ubuntu Networking :: Wireless - Lost It - 'wmaster0 No Wireless Extensions', But Then Refers To Wlan0 As The Wireless Connection

Mar 28, 2010

A friend who switched ISP's gave me his old Linksys WRT54-G wireless router. I went through the installation procedure and had a wireless connection up and running - smiley face. I had security set up for WPA, and decided to upgrade it to WPA2. Another smiley face. When I went to connect (had already done so successfully), I noticed it referred to my wireless as Linksys - I was expecting to see the SSID. So I started playing around in Network Manager and now I have things all effed up.

Don't know exactly what I did, but now I have no wireless. So I ran a few commands (lshw -C network, iwconfig, ifconfig, and iwlist scan), and looking at the results I see what appear to be inconsistencies in the output. I've posted them below, and make the following observations:

1. Under the lshw it refers to my wireless connection logical name as wmaster0, and has the correct MAC address, etc.

2. Under the iwconfig it says, 'wmaster0 no wireless extensions', but then refers to wlan0 as the wireless connection (although it does not seem to be running).

3. Under ifconfig I see both a wlan0 and a wlan0:avahi. The wlan0 has no IP, the wlan0:avahi does, but it is incorrect.


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Fedora Networking :: Create A File Like "ifcfg-eth0:1" And Put Contents?

Jun 9, 2010

I am having a problem when creating alias in Fedora Core 10. When i create a file like "ifcfg-eth0:1" and put contents in it like

IPADDR=ip addrss

and when i save settings and restart with "service network restart" the network card does not create any alias like eth0:1 instead it replace the original ip address of eth0 with the ip address i given to eth0:1. So i want to keep both network ips of eth0 and eth0:1.

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Fedora Networking :: F14- Realtek Wireless Cant Find Wlan0 On Toshiba Satalite?

Nov 13, 2010

Just installed f14 on my Toshiba laptop, which has a realtek ethernet card. i installed the drivers from the realtek site with no issues (also, i know the card is good, i had it working on suse a while back). No matter what I try, i cannot seem to get the computer to recognize there being a wireless connection (tells me no such thing as wlan0).ifconfig shows the following:

# ifconfig
eth0 Link encap:Ethernet HWaddr 88:AE:1D:F4:AD:88


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Fedora Networking :: Slow File Transfer With Wlan0

Aug 22, 2010

I am having a problem trying to transfer large file (~700MB) from one station in my home to another. I have 3 PCs hooked up through a router. 1 is wired to the router and the other two are wireless. One wireless is a laptop that has a built-in Atheros wireless card that was supported during the FC13 install. The other wireless has a plug-in wireless card made by Belkin (F7D1101). I had to use ndiswrapper to get it to work on FC13.(BTW all PCs are running FC13)

The one with the Belkin card is, I think, the problem. The one with the Atheros card will transfer files at a rate of about 8MB/sec to the one with the wired ethernet connection. The one with the Belkin card will not transfer at rates over 300KB/sec to either of the other two PCs. I have tried file transfers both encrypted and not and it makes no difference.

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Fedora :: Stale File Handle - Accessing WLAN0 Interface?

Mar 22, 2010

I've got a problem while accessing the /etc/sysconfig/network-scripts/ifcfg-wlan0 file, CLI's throwing: "Stale File Handle" - there's no access to this file. Problem is the same regardless wlan0 interface is up or down.

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Fedora :: Missing /etc/sysconfig/network File And Eth0 And Wlan0 Files?

Oct 31, 2010

I just installed Fedora 13 on a new Dell XPS desktop and some of the networking files are not created/missing. The computer has Broadcom Gigabit wired card and Asus PCE-N13 wireless card. When I type lspci, I see that Network conroller: RaLink RT2860 and Ethernet controller: Broadcom BCM57780 Gigabit Ethernet. So, somehow they are being detected by the OS, but I am not sure if the drivers are installed or why some of the network files are missng.

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Server :: Missing Ifcfg File After Replacing Nic?

Jan 5, 2011

I have 2 10gb fiber cards on a server running red hat 5.3, eth4 and eth5. After replacing the eth4 card, it doesnt show up any ifcfg-eth4 file. I tried ifconfig -a, but it doesnt show up in modprobe.conf either, although it is listed when I do a lspci. Should I manually add it? or is there something Im missing here?

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Red Hat :: Prevent Kudzu From Changing Ifcfg-ethX File?

Aug 31, 2010

Running Centos 5.5 64bit. Sometimes I boot this instalation in real machine, sometimas using vmware workstation. The problem is that these environments have different network interface cards - as soon as kudzu detects that network device changed it renames ifcfg-eth0 to ifcfg-eth0.bak and places new default ifcfg-eth0.

Is it possible to command kudzu to leave ifcfg-eth0 as it is ?

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Ubuntu Networking :: Rename My Wireless Card From Eth1 To Wlan0 As Use Conkyrc And It Will Not Read Wireless Strength?

Aug 8, 2010

have a dell Inspiron 1501 with ubuntu 10.0.4 I want to rename my wireless card from eth1 to wlan0 as I use conkyrc and it will not read my wireless strength or my ssid cuz it thinks it's a ethernet card and not wireless card. I know this for a fact because peppermint os my wireless card was wlan0 and it worked just fine.

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CentOS 5 Networking :: Cant Get Wireless Going On Wlan0 Intel Pro Wireless 4965 AG Or AGN?

Oct 8, 2010

trying to connect wireless on wlan0 intel pro wireless 4965 AG or AGN

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CentOS 5 Networking :: NIC Card And Config Won't Come Up In The Ifcfg-eth0 File?

Mar 18, 2009

I've been racking my brains over the past few days trying to figure out why my NIC card (network interface card) won't show up in the ifcfg-eth0 file.When I configure a new server (like this one) I always go to:/etc/sysconfig/network-scripts/ifcfg-eth0 and from there I usally see the name of my NIC's manufacturer's name and the hardware MAC address.Then it's only a simple process of entering the server's IP address, netmask and gateway and I'm up and running in no time...But not in this case! the ifcfg-eth0 file is completely blank! There's not ONE single line of config info in it... (?)The server runs an Intel core 2 duo (dual-core) CPU with 1 gig of RAM.

I've even re-formatted the drive and re-installed Centos 5.1 on the darn thing 3 times and it simply won't work.The server cannot resolve when I do a wgetIt also gives me a 'resolution problem in the named configuration'.What I don't understand is that the 2 small LEDs on the Cat 5 cable lights up and flash at what appear to be regular intervals here.

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CentOS 5 Networking :: Ifcfg-eth0.bak File Created By Kudzu In VMware Clone Of 5.3

Jul 12, 2010

I run a VMware clone of CentOS 5.3, I observe that kudzu [i.e. /etc/init.d/kudzu, from /etc/rc3.d/S05kudzu or /etc/rc5.d/S05kudzu] detects a MAC address change on eth0 and then creates a /etc/sysconfig/network-scripts/ifcfg-eth0.bak file. This .bak file is identical to the original ifcfg-eth0 file except for the value of the HWADDR [i.e. MAC address] parameter. I would be unconcerned but for the fact that /usr/bin/neat indicates that both ifcfg-eth0 AND ifcfg-eth0.bak are 'Active'. The following solution may help others with the same (or similar) problem:


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Ubuntu :: Disconnection And Connects To Unavailable Wifi - Authentication Required By Wireless Network

Jun 8, 2010

When my router switches off... the wifi signals go off... then why the hell ubuntu keeps on connecting to that very wifi like hell and when doesnt connect shows the prompt to manually connect... with the wifi key already filled in... whats the use of saving the key when it has to ask the question from me either to connect or not?? and if its isnt available... just wait when its available.. and for the prompt,i have only option to cancel(because wifi isnt available at that moment if i select connect it again tries to connect like hell..which it cant) and if i cancel it wont auto-connect when wifi does get available! what the heck?

Windows has this done the right way... when the wifi isnt available.. it dissconnects silently.. and when it becomes available connects silently.. why isnt this been done this way in ubuntu??

Ive attached an image..one can see in the image that it says "authentication required by wireless network" when there isnt any.. as router has gone down!

And the second thing i want to report is that there is no way to report this bug from ubuntu... the launchpad.net talks of going through bug reporting process which is done against a definite package... now how does a user know which package would be causing this error?? there should be a more clear process of reporting such bugs to ubuntu team... which a common man using ubuntu( ubuntu says its most user friendly of all distros right?) can report..

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Ubuntu :: Symlink Unavailable Without Touching Target With File Manager

Apr 22, 2011

I have a dual-boot setup with Ubuntu and Windows 7, sharing an NTFS file system.If I create a new folder (called "newfolder") in the root of my Windows 7 partition, with a text file called newtextfile.txt, and then create a symlink in Ubuntu with ln -s /media/S3A8115D003/newfolder.I can then see, read and edit "newtextfile. txt" from Ubuntu, until I log out and reboot.After I reboot, the symlink to newfolder still appears to be there but when I try to access it, I get This link cannot be used, because its target "media/ S3A8115D003/ newfolder" doesn't exist.However, if I first navigate in the file manager to the Windows folder S3A8115D003/ newfolder and view its contents, then the Ubuntu symlink appears to be healed.How can I make the symlink work without first having to touch the target file with the file manager?

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OpenSUSE Wireless :: "iwlist Wlan0 Scan" Gives Back List Of Detected Wireless Networks

Mar 21, 2011

I have configured a wireless pcmcia card using ndiswrapper. I'm sure that works, as with the command "iwlist wlan0 scan" gives me back
the list of detected wireless networks. At this point I was wondering: is there a way to detect the new interface (wlan0) with network manager? Even after enabling the wifi card the network manager gnome applet always finds only eth0.

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Debian Configuration :: File Share Unavailable From A Reboot Until Restart Samba

Jul 3, 2011

I am having slight issue with setting up file sharing. I have a windows 7 pc and hp proliant microserver running. I have a raid array which I am using as a share for storing music, pictures etc. When I reboot the debian server I can't connect to the server from the windows 7 PC (I have mapped a network drive) until I go on to the server and restart samba with /etc/init.d/samba restart - then everything works fine. I can ping the server with both ip and hostname but the network drive does not connect - this is straight after a reboot. Is the /etc/init.d/samba restart doing something differently to when the server boots? I have read several posts relating to printer sharing issues which point to samba not starting before cups so I am wondering if samba is starting before some of the relevant networking services.

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OpenSUSE Wireless :: Wlan0 Is Down - Got Crashed ?

Feb 28, 2010

After executing glxgears, my laptop got crashed.

I pressed Power Button and I turn it off. When I turn on the system again, the wlan0 dosent work.

I tried:


The result:


I tried:


The result:


RTNETLINK answers: No such file or directory

Cannot enable interface wlan0. interface wlan0 is not up

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Fedora Networking :: Installed 14 And No Ifcfg Files?

Feb 3, 2011

I installed 14 and no ifcfg- files. (no ifcfg-eth0)can i create them ??

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Ubuntu Networking :: Ignoring Unknown Interface Wlan0=wlan0?

Jun 6, 2010

Also having this problem on Ubuntu 10.04.If I do "iwlist scan" I can pick up networks on wlan0:

lo Interface doesn't support scanning.
eth0 Interface doesn't support scanning.


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OpenSUSE Wireless :: Enable Wlan0 [BCM4312 802.11b/g] On 11.3?

Aug 12, 2010

Question. How do I enable wlan0 and verify it worksSo far I get.

# /usr/sbin/iwlist scan
wlan0 Interface doesn't support scanning : Network is down
# hwinfo --wlan


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Ubuntu :: 10.10 Conky Wireless Wlan0 Not Working

Feb 25, 2011

Earlier on my wireless is attached as eth1 and it works on to load conky except the Network section is blank. After that I had renamed eth1 to wlan0 and checked at ifconfig it is working fine.Now the conky won't load and I think something to do with my wlan0.

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