WCID wireless network management
I am a newbie to Linux and recently installed Ubuntu 9.04 on an HP DV6500 Laptop. No problem with the installation but wireless is a different story. Using Network Manager, wireless would not work at all. Then I read about WCID and so installed that. It listed all wireless networks in the close environs and I selected mine and entered a password and, voila, I was connected to the internet - for about one minute. If I connect the laptop via an ethernet cable to the router (a Belkin), the connection is stable. Via wireless, the connection keeps dropping and I have to disconnect and reconnect and then it works again, for a minute or three or whatever. The laptop uses an Intel Pro/wireless 3945ABG.
The same laptop, when running Vista (it had a HDD failure) never had this wireless dropping problem. Can anyone suggest what the problem might be? |
Can you post the output of lsmod? I just want to check what module you have loaded for it. I tried wcid once but had bad luck with it. Network manager has always worked for me. When you say Network Manager would not Work can you expand a little more?
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---------------------------- garry@garry-laptop:~$ sudo lsmod [sudo] password for garry: Module Size Used by aes_i586 15744 1 aes_generic 35880 1 aes_i586 i915 67844 2 drm 96424 3 i915 binfmt_misc 16776 1 ppdev 15620 0 bridge 56212 0 stp 10500 1 bridge bnep 20224 2 input_polldev 11912 0 joydev 18496 0 lp 17156 0 parport 42220 2 ppdev,lp arc4 9856 2 ecb 10752 2 snd_hda_intel 434100 3 snd_pcm_oss 46336 0 snd_mixer_oss 22656 1 snd_pcm_oss iwl3945 97912 0 snd_pcm 83076 2 snd_hda_intel,snd_pcm_oss snd_seq_dummy 10756 0 mac80211 217592 1 iwl3945 snd_seq_oss 37760 0 snd_seq_midi 14336 0 led_class 12036 1 iwl3945 snd_rawmidi 29696 1 snd_seq_midi snd_seq_midi_event 15104 2 snd_seq_oss,snd_seq_midi uvcvideo 63368 0 snd_seq 56880 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event psmouse 61972 0 snd_timer 29704 2 snd_pcm,snd_seq snd_seq_device 14988 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq pcspkr 10496 0 serio_raw 13444 0 video 25360 0 iTCO_wdt 19108 0 compat_ioctl32 9344 1 uvcvideo ricoh_mmc 11904 0 sdhci_pci 15232 0 sdhci 23940 1 sdhci_pci snd 62756 15 snd_hda_intel,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_de vice cfg80211 38288 2 iwl3945,mac80211 iTCO_vendor_support 11652 1 iTCO_wdt videodev 41600 1 uvcvideo v4l1_compat 21764 2 uvcvideo,videodev output 11008 1 video intel_agp 34108 1 agpgart 42696 3 drm,intel_agp soundcore 15200 1 snd snd_page_alloc 16904 2 snd_hda_intel,snd_pcm ohci1394 38576 0 ieee1394 94660 1 ohci1394 r8169 40836 0 mii 13312 1 r8169 fbcon 46112 0 tileblit 10752 1 fbcon font 16384 1 fbcon bitblit 13824 1 fbcon softcursor 9984 1 bitblit garry@garry-laptop:~$ |
Check that you've got the 1.6 version of wicd installed. The 1.5 version to which Ubuntu defaults has a few problems that were fixed in the 1.6 release. (You'll need to enable the "extras" repository to get the newer release.)
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-------------------------------------------------------------- Finally, I found this little gem of information: “Debian and Ubuntu modified NetworkManager so that it would not manage any devices listed in /etc/network/interfaces. If you open this file and comment out the lines for the interfaces you want to manage and reboot NetworkManager will see them.” …so, I commented out the two lines about eth1 and a reboot later NetworkManager worked just fine! Just had to select the network and enter the passphrase. http://boff.wordpress.com/2007/01/13...ager-wireless/ |
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One thing that i noticed when using a public access point which required me to log in, was that the AP dropped my log in after a (brief) period of inactivity. To get around this, I found something like
Code:
ping -i 10 www.google.com |
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