Introduction to the Apache Web Server - ApacheCon

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• Precisely how many visitors • Name, address, credit card number • If you want to know something, you have to ask 16.6.3 Log file parsing • Webalizer (www.mrunix.net/webalizer) • Analog • WebTrends • WWWStat • Wusage • Apache::ParseLog Perl module 16.7 Logging to a process CustomLog |/usr/bin/apachelog common Logs to the program /usr/bin/apachelog, rather than to a file, where apachelog looks like ... #!/usr/bin/perl while (my $log = ) { DoSomethingUseful($log); } • Buffering • Performance • http://modules.apache.org/ for modules that already do this 16.8 Logging to syslog CustomLog syslog combined CustomLog syslog:local1 common 102
16.9 Rotating log files 16.9.1 Logfile::Rotate Logfile::Rotate is a Perl module. It is on the CD. Or you can get it from http://www.cpan.org/modules/by-module/Logfile/ Unpack it somewhere, run the following: perl Makefile.PL make make test make install Or, to install the module from the CPAN shell: perl -MCPAN -e shell cpan> install Logfile::Rotate cpan> quit Then put the following code into a file called rotatelogs.pl #!/usr/bin/perl use Logfile::Rotate; $logfile = new Logfile::Rotate( File => ’/usr/local/apache/logs/access_log’, Count => 5, Gzip => ’/bin/gzip’, Post => sub { ‘/usr/local/apache/bin/apachectl restart‘; } ); $logfile->rotate(); Run the file a few times and see what happens to your log files. You’ll want to run this program every month (or week, or whatever) via cron or other scheduler. 103
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Introduction to the Apache Web Serv
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3.1 Apache process architecture . .
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8.3 Alias . . . . . . . . . . . . .
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13 SSI 75 13.1 Configuration for SS
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16.5 Typical errors . . . . . . . .
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19.8 Modules . . . . . . . . . . .
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23.1 Caching . . . . . . . . . . .
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He wrote the CERN web server, and t
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• provide a foundation for open,
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This is a good point to encourage d
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• htdocs • icons Show the stude
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./configure --help ./configure --pr
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2.6 apxs apxs is a Perl utility for
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The “correct” value for these d
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• Some modules, like mod php, don
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• help apachectl symlink You may
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Section 4 Configuration files http:
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directory - Can be used in a secti
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httpd -DUSESSL Then you could add a
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Section 5 .htaccess files 5.1 Confi
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5.3 Exercise Create .htaccess file
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ServerName www.foo.com DocumentRoot
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3. Verify that they are serving con
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Section 7 MIME http://httpd.apache.
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AddType application/x-tar tgz Note
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7.4.3 mod gzip More will be said ab
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Section 8 URL Mapping http://httpd.
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Equivalent to ... Alias /cgi-bin/ /
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Then /cgi-bin/404.cgi will look lik
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----------------------------- The
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Page 96 and 97: SetHandler Much like the AddHandler
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Page 156 and 157: 21.35 mod status Name mod status On
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Page 160 and 161: 23.2 Proxying The proxy part lets y
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