User manual UBUNTU 10.04 LTS SERVER GUIDE

[. . . ] Ubuntu Server Guide Ubuntu Server Guide Copyright © 2010 Canonical Ltd. and members of the Ubuntu Documentation Project3 Abstract Welcome to the Ubuntu Server Guide!It contains information on how to install and configure various server applications on your Ubuntu system to fit your needs. It is a step-by-step, task-oriented guide for configuring and customizing your system. Credits and License This document is maintained by the Ubuntu documentation team (https://wiki. ubuntu. com/DocumentationTeam). [. . . ] If the server is compiled to use dynamically loaded modules, then modules can be compiled separately, and added at any time using the LoadModule directive. Otherwise, Apache2 must be recompiled to add or remove modules. Ubuntu compiles Apache2 to allow the dynamic loading of modules. Configuration directives may be conditionally included on the presence of a particular module by enclosing them in an <IfModule> block. You can install additional Apache2 modules and use them with your Web server. For example, run the following command from a terminal prompt to install the MySQL Authentication module: sudo apt-get install libapache2-mod-auth-mysql See the /etc/apache2/mods-available directory, for additional modules. Use the a2enmod utility to enable a module: sudo a2enmod auth_mysql sudo /etc/init. d/apache2 restart Similarly, a2dismod will disable a module: sudo a2dismod auth_mysql sudo /etc/init. d/apache2 restart 1. 3. HTTPS Configuration The mod_ssl module adds an important feature to the Apache2 server - the ability to encrypt communications. Thus, when your browser is communicating using SSL, the https:// prefix is used at the beginning of the Uniform Resource Locator (URL) in the browser navigation bar. The mod_ssl module is available in apache2-common package. Execute the following command from a terminal prompt to enable the mod_ssl module: sudo a2enmod ssl There is a default HTTPS configuration file in /etc/apache2/sites-available/default-ssl. In order for Apache2 to provide HTTPS, a certificate and key file are also needed. The default HTTPS configuration will use a certificate and key generated by the ssl-cert package. They are good for 144 Web Servers testing, but the auto-generated certificate and key should be replaced by a certificate specific to the site or server. For information on generating a key and obtaining a certificate see Section 5, "Certificates" [p. 123] To configure Apache2 for HTTPS, enter the following: sudo a2ensite default-ssl The directories /etc/ssl/certs and /etc/ssl/private are the default locations. If you install the certificate and key in another directory make sure to change SSLCertificateFile and SSLCertificateKeyFile appropriately. With Apache2 now configured for HTTPS, restart the service to enable the new settings: sudo /etc/init. d/apache2 restart Depending on how you obtained your certificate you may need to enter a passphrase when Apache2 starts. You can access the secure server pages by typing https://your_hostname/url/ in your browser address bar. 1. 4. References · Apache2 Documentation6 contains in depth information on Apache2 configuration directives. Also, see the apache2-doc package for the official Apache2 docs. · See the Mod SSL Documentation7 site for more SSL related information. [. . . ] You will be given the opportunity to describe the situation that led up to the occurrance of the bug. *** Uploading problem information The collected information is being sent to the bug tracking system. 91% *** To continue, you must visit the following URL: https://bugs. launchpad. net/ubuntu/+source/postgresql-8. 4/+filebug/kc6eSnTLnLxF8u0t3e56EukFeqJ?You can launch a browser now, or copy this URL into a browser on another computer. Choices: 1: Launch a browser now C: Cancel Please choose (1/C): If you choose to start a browser, by default the text based web browser w3m will be used to finish filing the bug report. [. . . ]