Madwifi drivers for Ubuntu 9.10 (Karmic Koala) or linux kernels 2.6.29 and above.

After upgrading to the latest Ubuntu version 9.10 I could no longer compile and install the madwifi drivers. Here are the compilation errors I was getting: In file included from /home/user/madwifi/madwifi-hal-0.10.5.6/ath/../net80211/ieee80211_monitor.h:34, from /home/user/madwifi/madwifi-hal-0.10.5.6/ath/if_ath.c:75: /home/user/madwifi/madwifi-hal-0.10.5.6/ath/../ath/if_athvar.h:107: error: conflicting types for ‘irqreturn_t’ include/linux/irqreturn.h:16:

Find out the subdomains of a given domain name with dig

First,  find out the name server(s) for the domain name in question: dig wikipedia.com Look under the “AUTHORITY SECTION”: ;; AUTHORITY SECTION: wikipedia.com.        163475    IN    NS    ns2.wikimedia.org. wikipedia.com.        163475    IN    NS    ns1.wikimedia.org. wikipedia.com.        163475    IN    NS    ns0.wikimedia.org.