Ubuntu Servers :: Dhclient On Boot After Wpa_supplicant?
Feb 13, 2011
I apologize if there's a solution to this somewhere on the forum, but I searched around on google for several hours before posting this, so I assure you, I'm not trying to waste your time.Here's the deal. I have a file/print server running wpa_supplicant on interface wlan0 via ndiswrapper. Its wireless because the location I need the printer in is really inconvenient to have to run wires to, or I wouldn't have this problem.The box is running ubuntu server 10.10, with only ndiswrapper and the associated utils and wpa_supplicant installed in addition to the default packages required for file/print/web serving. (there may be a few trivial packages like Vim that should have no effect whatsoever.)Basically, wpa_supplicant associates fine with the AP, but I can't get any elegant way of getting a IP address with it, DHCP or static makes no difference. My current fix is my rc.local file has:
I have tried different methods to auto start wpa_supplicant at boot on Ubuntu Lucid server on a laptop which can't be connected to Ethernet.
The only thing that worked is adding the wpa_supplicant command before exit0 in rc.local. It solve my problem of wpa_supplicant auto start and annoyance on not be able to ssh before local login. But the screen stuck at Ubuntu Logo. How can i get pass Ubuntu logo screen to regular tty or xbmc in future?
Had a problem getting my internet connection working with Ubuntu, but I resolved that issue. Problem is I still have to manually run dhclient every time Ubuntu boots, because I have no network unless I do. Is there a script or something that can do this automatically?
I looked into the handbook,googled for it,but found no working solution to this "problem". Everytime I use Opensuse I must su and then type dhclient,how can I make sure my connection will be up as soon as I log in?
right now im using the nm-applet but i dont like it. it produces lags. i think the periodical ssid/broadcast check might be the cause :/it lags every minute or so...in games and skype it is very annoying! if there is a possibily to disable these scans in nm-applet it would be fine too.for the moment im "using" this wpa_supplicant config:
for weeks now I have the following problem: I am not able to connect to my wireless home network for most of the time. I am using Ubuntu 10.04; an Intel Wifi AGN4965 card and as driver "iwlagn". Maybe the solution lies within these messages (from daemon.log):
Sep 20 22:03:35 ubuntu NetworkManager: <info> starting... Sep 20 22:03:35 ubuntu avahi-daemon[1130]: Found user 'avahi' (UID 104) and group 'avahi' (GID 111). Sep 20 22:03:35 ubuntu avahi-daemon[1130]: Successfully dropped root privileges. Sep 20 22:03:35 ubuntu avahi-daemon[1130]: avahi-daemon 0.6.25 starting up. Sep 20 22:03:35 ubuntu avahi-daemon[1130]: Successfully called chroot().
Ubuntu 10.10 - the Maverick Meerkat � (Installed .iso from cd)The router has a password that I'm not sure if is wep or wpa.When I manually put in the address, netmask,gateway, dns,domain my Realtek usb adapter is connecting to the router but is not receiving packets.I got the driver installed with ndiswrapper.I'm trying to figure out wpa_supplicant
What's happening is there are two gray circles as the wifi attempts to connect. The first one turns green, but it never completes the next step. The syslog shows that it's waiting for the (nonexistent) DHCP server to respond. If I turn on DHCP, the connection completes, but the routing is messed up (because at that point it actually tries to use the static IP from /etc/network/interfaces). So it seems to associate eventually, but it's way too late. I need it to associate soon enough to know not to attempt DHCPDISCOVER.
I start to learn wpa_supplicant recently,and I got the code already,but the code is complicated,and I don't know how to start learning,and Is there any book to discuss the architecture about wpa_supplicant?
I've got my laptop working with my UNI's rather complex wifi setup.
I need to get access to my wpa_supplicant file so i can use it with my nook and a few other devices that i need to get wifi access.
Network manager, i know, does all the wpa stuff dynamically and through scripts, so is there any way that i can get network manager to generate my wpa_supplicant config?
I am trying to get a wlan connection using my new Wlan-Stick. It has a Atheros ar9271 chipset.
Code:
Bus 001 Device 002: ID 0cf3:1006 Atheros Communications, Inc. TP-Link TL-WN422G v2 802.11g [Atheros AR9271]
Modules ath9k_htc and ath9k_htc_common are loaded. I can scan for network using iwlist or airodump and get the whole lists of networks. I've copied the config file I use with wpa_supplicant from a working system:
the "pre-shared key may be incorrect" I have rechecked the key twice and it is correct (actually it cannot be wrong because they file was copied from a working system). I have also tried to connect to a WEP encrypted network using iwconfig without success. I get no error when connecting but iwconfig tells me "Access Point: Not-Associated".Because of the "Device or resource busy" I tried a "lsof | grep -i wlan" but there are no results.
if the NetworkManager uses wpa_supplicant? I normally dont use NetworkManager and decided to try it. I started it and tried it out and it works with WEP and WPA! I cant figure out why using the iwconfig command is not working by itself for WEP. WPA working with NetworkManager is just a bonus though.
I'm working on a RHEL 6 base image for virtualization and I'm trying to pare down the things that we don't need. Considering none of the virtual servers will have wireless networking, I figured it'd be good to kill that wpa_supplicant process. even with the wpa_supplicant service off, NetworkManager seems to start it right back up. There isn't any wireless devices configured, so I don't know why it does this. I can't even kill the process, it starts back up immediately. Is there something in either the Network Manager or wpa_supplicant config files that would disable it permanently?
For test purposes I'm running Ubuntu 10.10 from a USB stick with a USB WLAN stick.The system finds the WLAN router and acquires an IP6 address, but no IP4 address.With "dhclient wlan0" though it does get an IP4 address and connects o.k.How do I setup the system so that this dhclient call is done by the system at startup (or whenever it is necessary)?
While i am configuring network setting on backtrack4. i was running my backtrack on vmware workstation and NAT is bridged to physical mem like it was said on the tutorial that watched. i typed ifconfig eth0 up, and hit enter, as well as dhclient eth0 up, but resulted in different output. it says "no such device" is written and i would like to configre this problem.
When I run wpa_gui I get a "Failed to open control connection to wpa_supplicant." message and an endless stream of "PING failed - trying to reconnect". I'm sure wpa_supplicant service is running, it also seems to be working correctly (program logs show activity when I connect to a wpa secured network via gnome network manager).
The location that ctrl_interface (in /etc/wpa_supplicant/wpa_supplicant.conf) points to (/var/run/wpa_supplicant) is an empty folder. I'm able to connect to a simple WPA network at home, but the one at my university needs special configuration and I couldn't get it to work by editing the .conf file. That's why I need the gui. My network card is Atheros Communications Inc. AR928X Wireless Network Adapter, the driver is ath9k.
i believe it is a wpa_supplicant problem. running ubuntu 10.04 on a toshiba netbook. i have my account which cannot connect to internet, wicd returns an error that it cannot obtain ip address. cannot even connect to a unesecure network for that matter. if i switch users to another user and do the quick switch users i can get internet then i switched back to my main account and here i am postings. how do i begin to hunt down the problem logs, settings how do some of you begin to hunt down the cause of this and where it would be located.
If I plug my iPhone into my laptop via USB cable, the phone gets mounted but no tethering connection is automatically made.I can manually configure ubuntu to tether with my iphone to use it's internet connection like this:
Code: sudo ifconfig wwan0 up sudo dhclient Does anyone know how to make internet connection tethering happen automatically?
yesterday i update my ubuntu 10.04 lts, and began the problens. i am using 2.6.32-24-generic, in a HP DV6 2145es do we know? syslog saidme: wpa_supplicant[1093]: Association request to the driver failed search in google i founded that the problem is possible that it is in wpa_supplicant.conf. my fiel is in : /etc/dbus-1/system.d/wpa_supplicant.conf and i think that is necesary be in /etc . it is truh? when i check my fiel, i founded this:
<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN" "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd"> <busconfig>
My network configuration is in a weird situation, that I always need to run dhclient manually each time after a network connection is established. When my computer connects to a router, sometimes it won't get a valid IP, and it uses an automatically generated fake Internet IP. In this situation, it won't connect to the Internet at all. Sometimes it get a valid local network IP, but still cannot connect to WAN, and could only connect to my router's address (both through ping and through router's management webpage). In both situation, it can be solved by a simple dhclient run.
This is my /etc/network/interfaces file:
Code: Select all# This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5).
# The loopback network interface auto lo iface lo inet loopback
I am running Fedora 13 and after my machine is booted my ethernet interface eth0 does not have an IP address. Running
Code:
At the terminal does not work, and I can see that in /var/log/messages I have the following error:
Code:
I assume that the same command was attempted during the boot process (please correct me if I am wrong) to use DHCP to get an address for eth0, but failed for the same reason it is failing after boot when I run it manually, whatever that reason may be.
I noted, however, that eth0 IS in broadcast mode:
Code:
I also noted that running
Code:
Does in fact work and will run DHCP and configure eth0 with an ip address.
It is quite mysterious to me why running 'dhclient eth0' will work, but manually running 'dhclient' does not.
I'm setting up virtual dev environments and I want the hostname.domain to be something specific, eg- "barney.local". However my /etc/resolv.conf file keeps getting nuked because i'm using DHCP. I placed this into my dhclient.conf:
I used ssh to log into my sever that I had and I from there I ran the command dhclient eth by mistake on the server but the serve had an static IP address. Unfortunately I can't ssh back into the server anymore! It replies back with No route not host. Now my questions are. First of all how do I change it back into the previous setting? Secondly, can I do this remotely since the server is in another place and I don't have access to it right now or do I have to go there and sit behind it and play around with it there?
My brother is thinking of installing Slackware64 13.1 on his laptop. He was wondering though how to configure his wireless card. How would he do this? He is using an Intel wireless card, but I am unsure of the exact model. Another question is would Wicd do this automatically or do you still have to use either iwconfig or wpa_supplicant and edit the corresponding config files?
