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starting or stopping the Web server. Avoid doing this and use the rcapache2 script
instead. rcapache2 even provides tips and hints for solving configuration errors.
Second, the importance of log files cannot be overemphasized. In case of both fatal and
nonfatal errors, the Apache log files, mainly the error log file, are the places to look for
causes. Additionally, you can control the verbosity of the logged messages with the
LogLevel directive if more detail is needed in the log files. By default, the error log
file is located at /var/log/apache2/error_log.
TIP: A Simple Test
Watch the Apache log messages with the command tail -F
/var/log/apache2/my_error_log. Then run rcapache2 restart.
Now, try to connect with a browser and check the output.
A common mistake is not to open the ports for Apache in the firewall configuration of
the server. If you configure Apache with YaST, there is a separate option available to
take care of this specific issue (see
(page 748)). If you are configuring Apache manually, open firewall ports for HTTP and
HTTPS via YaST's firewall module.
If the error cannot be tracked down with the help of any these, check the online Apache
bug database at http://httpd.apache.org/bug_report.html. Additionally,
the Apache user community can be reached via a mailing list available at
httpd.apache.org/userslist.html. A recommended newsgroup is
.infosystems.www.servers.unix.
40.9 For More Information
The package apache2-doc contains the complete Apache manual in various local-
izations for local installation and reference. It is not installed by default—the quickest
way to install it is to use the command yast -i apache2-doc. Once installed,
the Apache manual is available at http://localhost/manual/. You may also
access it on the Web at http://httpd.apache.org/docs-2.2/. SUSE-spe-
cific configuration hints are available in the directory /usr/share/doc/packages/
apache2/README.*.
Section 40.2.2, "Configuring Apache with YaST"
http://
comp
The Apache HTTP Server
775
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Troubleshooting
