当我在终端中输入时，msfconsole我得到这样的信息：
bash: /usr/bin/msfconsole: /usr/share/metasploit-framework/ruby: bad interpreter: Permission denied
ls -l /usr/share/metasploit-framework/ruby
total 276
drwxr-xr-x 9 root root 4096 Aug 24 13:10 2.2.0
drwxr-xr-x 12 root root 4096 Aug 26 03:55 2.3.0
drwxr-xr-x 2 root root 4096 Aug 24 14:19 backward
-rw-r--r-- 1 root root 6252 Apr 14 08:16 changelog.gz
-rw-r--r-- 1 root root 3036 Apr 14 08:16 copyright
-rw-r--r-- 1 root root 4232 Apr 25 19:06 debug.h
-rw-r--r-- 1 root root 5785 Apr 25 19:06 defines.h
-rw-r--r-- 1 root root 1316 Jun 18 01:28 digest.h
-rw-r--r-- 1 root root 17849 Apr 25 19:06 encoding.h
-rw-r--r-- 1 root root 36172 Apr 25 19:06 intern.h
-rw-r--r-- 1 root root 5200 Apr 25 19:06 io.h
-rw-r--r-- 1 root root 4953 Apr 25 19:06 missing.h
-rw-r--r-- 1 root root 318 Apr 14 08:16 NEWS.Debian.gz
-rw-r--r-- 1 root root 37881 Apr 25 19:06 oniguruma.h
-rw-r--r-- 1 root root 1191 Apr 14 08:16 README.Debian
-rw-r--r-- 1 root root 777 Apr 25 19:06 regex.h
-rw-r--r-- 1 root root 1465 Apr 25 19:06 re.h
-rw-r--r-- 1 root root 69536 Apr 25 19:06 ruby.h
-rw-r--r-- 1 root root 5339 Apr 25 19:06 st.h
-rw-r--r-- 1 root root 374 Apr 25 19:06 subst.h
-rw-r--r-- 1 root root 996 Apr 25 19:06 thread.h
-rw-r--r-- 1 root root 1333 Apr 25 19:06 thread_native.h
-rw-r--r-- 1 root root 2050 Apr 25 19:06 util.h
drwxr-xr-x 4 root root 4096 Aug 24 14:18 vendor_ruby
-rw-r--r-- 1 root root 1854 Apr 25 19:06 version.h
-rw-r--r-- 1 root root 1677 Apr 25 19:06 vm.h