Apache2 : Configure mod_perl2024/05/31 |
Install [mod_perl] to make Perl scripts be fast. |
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[1] | Install [mod_perl]. |
root@www:~# apt -y install libapache2-mod-perl2
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[2] | Configure [PerlRun] mode which always put Perl interpreter on RAM. |
root@www:~#
vi /etc/apache2/conf-available/mod_perl.conf # create new # for example, set PerlRun mode under the "/var/www/perl" PerlSwitches -w PerlSwitches -T Alias /perl /var/www/perl <Directory /var/www/perl> AddHandler perl-script .cgi .pl PerlResponseHandler ModPerl::PerlRun PerlOptions +ParseHeaders Options +ExecCGI </Directory> <Location /perl-status> SetHandler perl-script PerlResponseHandler Apache2::Status Require ip 127.0.0.1 10.0.0.0/24 </Location> a2enconf mod_perl Enabling conf mod_perl. To activate the new configuration, you need to run: systemctl reload apache2root@www:~# a2enmod cgid Enabling module cgid. To activate the new configuration, you need to run: systemctl restart apache2root@www:~# systemctl restart apache2
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[3] | Create a test Script to make sure the settings are no problem. It's OK if the result like follows is displayed. |
#!/usr/bin/perl use strict; use warnings; print "Content-type: text/html\n\n"; my $a = 0; &number(); sub number { $a++; print "number \$a = $a \n"; } chmod 705 /var/www/perl/test-mod_perl.cgi root@www:~# curl localhost/perl/test-mod_perl.cgi number $a = 1 |
[4] | Configure [Registry] mode which has caches of executed codes on RAM. |
root@www:~#
vi /etc/apache2/conf-enabled/mod_perl.conf Alias /perl /var/www/perl <Directory /var/www/perl> AddHandler perl-script .cgi .pl # comment out PerlRun mode and add Registry mode like follows #PerlResponseHandler ModPerl::PerlRun PerlResponseHandler ModPerl::Registry PerlOptions +ParseHeaders Options +ExecCGI </Directory>root@www:~# systemctl reload apache2
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[5] | Access to the test script which is an example of [3] section, then variable increases by reloading because variable is cached on RAM. So it's necessary to edit the code for Registry mode. |
root@www:~# curl localhost/perl/test-mod_perl.cgi number $a = 1 root@www:~# curl localhost/perl/test-mod_perl.cgi number $a = 2 root@www:~# curl localhost/perl/test-mod_perl.cgi number $a = 3
root@www:~#
vi /var/www/perl/test-mod_perl.cgi #!/usr/bin/perl use strict; use warnings; print "Content-type: text/html\n\n"; my $a = 0; &number($a); sub number { my($a) = @_; $a++; print "number \$a = $a \n"; }root@www:~# curl localhost/perl/test-mod_perl.cgi number $a = 1 root@www:~# curl localhost/perl/test-mod_perl.cgi number $a = 1 root@www:~# curl localhost/perl/test-mod_perl.cgi number $a = 1 |
[6] | By the way, it's possible to see the status of [mod_perl] to access to [(your hostname or IP address)/perl-status]. |
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