installing wireless usb stick drivers

[cjtrim]

I am following the instructions to install my AWU254 on debian4.0 and get the following...Im much a newbie so if any more info is needed please let me know! thanks
cjtrim@debian:~/src/rtl8185_linux_26.1027.0823.2007$ ./makedrv
./ieee80211/
./ieee80211/ieee80211_module.c
./ieee80211/ieee80211_rx.c
./ieee80211/tags
./ieee80211/Makefile
./ieee80211/ieee80211_crypt_tkip.c
./ieee80211/ieee80211_softmac.c
./ieee80211/readme
./ieee80211/ieee80211_crypt_ccmp.c
./ieee80211/ieee80211.h
./ieee80211/ieee80211_tx.c
./ieee80211/ieee80211_softmac_wx.c
./ieee80211/ieee80211_crypt.h
./ieee80211/ieee80211_wx.c
./ieee80211/license
./ieee80211/ieee80211_crypt_wep.c
./ieee80211/ieee80211_crypt.c
rtl8185/
rtl8185/README.adhoc
rtl8185/r8180_sa2400.h
rtl8185/Makefile
rtl8185/copying
rtl8185/README.master
rtl8185/r8180.h
rtl8185/install
rtl8185/r8180_max2820.h
rtl8185/r8180_max2820.c
rtl8185/r8180_rtl8225.h
rtl8185/r8180_wx.h
rtl8185/authors
rtl8185/tags
rtl8185/r8180_pm.c
rtl8185/r8180_hw.h
rtl8185/r8180_gct.c
rtl8185/r8180_gct.h
rtl8185/r8180_rtl8225.c
rtl8185/readme
rtl8185/r8180_93cx6.h
rtl8185/ieee80211.h
rtl8185/license
rtl8185/r8180_pm.h
rtl8185/changes
rtl8185/r8180_rtl8225z2.c
rtl8185/r8180_wx.c
rtl8185/r8180_rtl8255.c
rtl8185/r8180_93cx6.c
rtl8185/r8180_sa2400.c
rtl8185/r8180_core.c
rtl8185/r8180_rtl8255.h
rtl8185/ieee80211_crypt.h
rm -f *.mod.c *.mod *.o .*.cmd *.ko
rm -rf /home/cjtrim/src/rtl8185_linux_26.1027.0823.2007/ieee80211/tmp
make -C /lib/modules/2.6.18-6-amd64/build M=/home/cjtrim/src/rtl8185_linux_26.1027.0823.2007/ieee80211 CC=gcc modules
make: *** /lib/modules/2.6.18-6-amd64/build: No such file or directory. Stop.
make: *** [modules] Error 2
rm -f *.mod.c *.mod *.o .*.cmd *.ko *~
rm -rf /home/cjtrim/src/rtl8185_linux_26.1027.0823.2007/rtl8185/tmp
make -C /lib/modules/2.6.18-6-amd64/build M=/home/cjtrim/src/rtl8185_linux_26.1027.0823.2007/rtl8185 CC=gcc modules
make: *** /lib/modules/2.6.18-6-amd64/build: No such file or directory. Stop.
make: *** [modules] Error 2

[whych]

Look like you haven't installed all of the kernel source - it can't find the modules library.

[rojoblandino]

Install the kernel-headers