diff --git a/src/calibre/debug.py b/src/calibre/debug.py
index 86b2ebf00b..622ab41eb1 100644
--- a/src/calibre/debug.py
+++ b/src/calibre/debug.py
@@ -27,7 +27,7 @@ on.
     parser.add_option('-e', '--exec-file', help='Run the python code in file.')
     parser.add_option('-f', '--subset-font', help='Subset the specified font')
     parser.add_option('-d', '--debug-device-driver', default=False, action='store_true',
-                      help='Debug the specified device driver.')
+                      help='Debug device detection')
     parser.add_option('-g', '--gui',  default=False, action='store_true',
                       help='Run the GUI with debugging enabled. Debug output is '
                       'printed to stdout and stderr.')
diff --git a/src/calibre/linux.py b/src/calibre/linux.py
index 5f0a2ec7d7..401cab6418 100644
--- a/src/calibre/linux.py
+++ b/src/calibre/linux.py
@@ -495,7 +495,9 @@ class PostInstall:
             from calibre.utils.smtp import option_parser as smtp_op
             from calibre.library.server.main import option_parser as serv_op
             from calibre.ebooks.oeb.polish.main import option_parser as polish_op, SUPPORTED
+            from calibre.debug import option_parser as debug_op
             from calibre.ebooks import BOOK_EXTENSIONS
+            from calibre.customize.ui import available_input_formats
             input_formats = sorted(all_input_formats())
             zsh = ZshCompleter(self.opts)
             bc = os.path.join(os.path.dirname(self.opts.staging_sharedir),
@@ -540,6 +542,14 @@ class PostInstall:
                 o_and_w('fetch-ebook-metadata', fem_op, [])
                 o_and_w('calibre-smtp', smtp_op, [])
                 o_and_w('calibre-server', serv_op, [])
+                o_and_e('calibre-debug', debug_op, ['py', 'recipe'], file_map={
+                    '--tweak-book':['epub', 'azw3', 'mobi'],
+                    '--subset-font':['ttf', 'otf'],
+                    '--exec-file':['py', 'recipe'],
+                    '--add-simple-plugin':['py'],
+                    '--inspect-mobi':['mobi', 'azw', 'azw3'],
+                    '--viewer':list(available_input_formats()),
+                })
                 f.write(textwrap.dedent('''
                 _ebook_device_ls()
                 {
@@ -910,7 +920,5 @@ def main():
     PostInstall(opts)
     return 0
 
-
 if __name__ == '__main__':
     sys.exit(main())
-    sys.exit(main())