[ubuntu] How to get my broadcom card to enter monitor mode with aircrack-ng suite

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http://ubuntuforums.org – I am running Lucid Lynx, kernel generic, I have a card with the Broadcom BCM4311, with the STA Linux Wireless driver. I have no idea how to get monitor mode to work with the Aircrack-ng suite's Airmon-ng command. I use the command: sudo airmon-ng start eth1 And I get this output: Found 5 processes that could cause trouble. If airodump-ng, aireplay-ng or airtun-ng stops working after a short period of time, you may want to kill (some of) them! PID Name 883 NetworkManager 893 avahi-daemon 896 avahi-daemon (HowTos)