服务器操作系统安装(RedHat8.0)

zhumao

不知道为什么，原来的RedHat9.0不能用了，只好重新安装。
主要是没有有安装成功mod_perl。
1.Installation
First, download the mod_perl 2.0 source.
configure mod_perl:
% tar -xvzf mod_perl-2.0-current.tar.gz
% cd mod_perl-1.99_17
% perl Makefile.PL MP_APXS=/usr/local/apache2/bin/apxs MP_INST_APACHE2=1
where MP_APXS is the full path to the apxs executable, normally found in the same directory as the httpd executable, but could be put in a different path as well.
notes:
[warning] mod_perl dso library will be built as mod_perl.so
[warning] You'll need to add the following to httpd.conf:
[warning]  LoadModule perl_module modules/mod_perl.so
[warning] Apache Perl modules will be installed relative to Apache2/
[warning] Don't forget to:
[warning] - configure 'PerlModule Apache2' in httpd.conf
[warning] - or 'use Apache2 ();' in a startup script
Finally, build, test and install mod_perl:
% make && make test && make install
Become root before doing make install if installing system-wide.
2.Configuration
Enable mod_perl built as DSO, by adding to httpd.conf:
  LoadModule perl_module modules/mod_perl.so
Next, tell Perl where to find mod_perl2 libraries:
  PerlModule Apache2
If you want to run mod_perl 1.0 code on mod_perl 2.0 server enable the compatibility layer:
  PerlModule Apache::compat
3.Server Launch and Shutdown
  Apache is normally launched with apachectl:
  % $HOME/httpd/prefork/bin/apachectl start and shut down with:
  % $HOME/httpd/prefork/bin/apachectl stop
   Check $HOME/httpd/prefork/logs/error_log to see that the server has started and it's a right one. It should say something similar to:
  [Sun Nov 14 12:48:34 2004] [notice] Apache/2.0.51 (Unix) mod_perl/1.99_17 Perl/v5.8.0 mod_ssl/2.0.51 OpenSSL/0.9.7d   PHP/5.0.1 configured -- resuming normal operations
4.Registry Scripts
To enable registry scripts add to httpd.conf:
  Alias /perl/ /www/141.44/perl/
  
      SetHandler perl-script
      PerlResponseHandler ModPerl::Registry
      PerlOptions +ParseHeaders
      Options +ExecCGI
  
  and now assuming that we have the following script:
  #!/usr/bin/perl
  print "Content-type: text/plain ";
  print "mod_perl 2.0 rocks! ";
  saved in /www/141.44/perl//rock.pl. Make the script executable and readable by everybody:
  % chmod a+rx /home/httpd/httpd-2.0/perl/rock.pl
  Of course the path to the script should be readable by the server too. In the real world you probably want to have a tighter permissions, but for the purpose of testing that things are working this is just fine.
Now restart the server and issue a request to
http://localhost/perl/rock.pl
and you should get the response:
  mod_perl 2.0 rocks!
If that didn't work check the error_log file.
5.Handler Modules
Finally check that you can run mod_perl handlers. Let's write a response handler similar to the registry script from the previous section:
  #file:MyApache/Rocks.pm
  #----------------------
  package MyApache::Rocks;
  
  use strict;
  use warnings;
  
  use Apache::RequestRec ();
  use Apache::RequestIO ();
  
  use Apache::Const -compile => qw(OK);
  
  sub handler {
      my $r = shift;
  
      $r->content_type('text/plain');
      print "mod_perl 2.0 rocks! ";
  
      return Apache::OK;
  }
  1;
Save the code in the file MyApache/Rocks.pm, somewhere where mod_perl can find it. For example let's put it under /home/httpd/httpd-2.0/perl/MyApache/Rocks.pm, and we tell mod_perl that /home/httpd/httpd-2.0/perl/ is in @INC, via a startup file which includes just:
  use lib qw(/www/141.44/perl);
  1;
  and loaded from httpd.conf:
  PerlRequire /www/141.44/perl/startup.pl
  Now we can configure our module in httpd.conf:
  
      SetHandler perl-script
      PerlResponseHandler  MyApache::Rocks
  
Now restart the server and issue a request to
http://localhost/rocks
and you should get the response:
  mod_perl 2.0 rocks!
If that didn't work check the error_log file.
6.Apache 2.0 is required. mod_perl 2.0 does not work with Apache 1.3


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