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The tests in the script General.pm that determine the format for superuser calls on the target environment may leak debug messages to STDOUT. This can be replicated on a Docker installation of Zoneminder lacking sudo. Starting the Zoneminder process will display an intimidating series of error messages that can safely be ignored by the user: e.g. ''' root@2bfdd23cc27a:~# service zoneminder start Starting ZoneMinder: Can't exec "sudo": No such file or directory at /usr/share/perl5/ZoneMinder/General.pm line 1 10. Use of uninitialized value $output in scalar chomp at /usr/share/perl5/ZoneMinder/General.pm line 119. Use of uninitialized value $output in concatenation (.) or string at /usr/share/perl5/ZoneMinder/General.pm line 1 20. success ''' This patch redirects STDERR from the qx(...) calls to the debug message., And if the output of qx(...) is undefined, replaces it with any error in $! resulting from the qx(...) call.
ZoneMinder version 0.01 ======================= The README is used to introduce the module and provide instructions on how to install the module, any machine dependencies it may have (for example C compilers and installed libraries) and any other information that should be provided before the module is installed. A README file is required for CPAN modules since CPAN extracts the README file from a module distribution so that people browsing the archive can use it get an idea of the modules uses. It is usually a good idea to provide version information here so that people can decide whether fixes for the module are worth downloading. INSTALLATION To install this module type the following: perl Makefile.PL make make test make install DEPENDENCIES This module requires these other modules and libraries: blah blah blah COPYRIGHT AND LICENCE Put the correct copyright and licence information here. Copyright (C) 2005 by Philip Coombes This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.3 or, at your option, any later version of Perl 5 you may have available.