3:Invalid command 'Header', perhaps misspelled or defined by a module not included in the server configuration
[root@tuiguangvm httpd-2.2.15]# find . -name *header*
./os/os2/core_header.def
./docs/manual/mod/mod_headers.html
./docs/manual/mod/mod_headers.html.en
./docs/manual/mod/mod_headers.html.ko.euc-kr
./docs/manual/mod/mod_headers.html.ja.utf8
./docs/manual/images/apache_header.gif
./support/win32/apache_header.bmp
./modules/proxy/ajp_header.h
./modules/proxy/ajp_header.c
./modules/metadata/mod_headers.c
./modules/metadata/mod_headers.dsp
./modules/metadata/NWGNUheaders
./modules/metadata/mod_headers.exp
./modules/arch/netware/mod_headers.def
[root@tuiguangvm httpd-2.2.15]# cd modules/metadata/
[root@tuiguangvm metadata]# ls
config.m4 Makefile.in mod_env.dsp mod_expires.dsp mod_ident.c mod_mime_magic.exp mod_setenvif.o mod_usertrack.c mod_version.exp NWGNUheaders NWGNUuniqueid
libmod_env.la mod_cern_meta.c mod_env.exp mod_expires.exp mod_ident.dsp mod_setenvif.c modules.mk mod_usertrack.dsp mod_version.lo NWGNUmakefile NWGNUusertrk
libmod_setenvif.la mod_cern_meta.dsp mod_env.lo mod_headers.c mod_ident.exp mod_setenvif.dsp mod_unique_id.c mod_usertrack.exp mod_version.o NWGNUmimemagi
libmod_version.la mod_cern_meta.exp mod_env.o mod_headers.dsp mod_mime_magic.c mod_setenvif.exp mod_unique_id.dsp mod_version.c NWGNUcernmeta NWGNUmodident
Makefile mod_env.c mod_expires.c mod_headers.exp mod_mime_magic.dsp mod_setenvif.lo mod_unique_id.exp mod_version.dsp NWGNUexpires NWGNUmodversion
[root@tuiguangvm metadata]# which apxs
/usr/local/apache2/bin/apxs
[root@tuiguangvm metadata]# apxs -i -a –c mod_headers.c
apxs:Error: Sorry, cannot determine bootstrap symbol name.
apxs:Error: Please specify one with option `-n'.
[root@tuiguangvm metadata]# /usr/local/apache2/bin/apxs -i -a -c mod_headers.c