http://howtoforge.com HowtoForge provides user-friendly Linux tutorials about almost every topic. If you've written a Linux tutorial that you'd like to share, you can contribute it. If you'd like to discuss Linux-related problems, you can use our forum. If you have questions, please contact us by email: info [at] howtoforge [dot] com or use our contact form. en http://www.howtoforge.com/themes/htf_glass/images/howtoforge_logo_glass_blue.gif http://howtoforge.com http://howtoforge.com/setting-up-webdav-with-lighttpd-debian-etch <p><b>How To Set Up WebDAV With Lighttpd On Debian Etch</b></p> <p>This guide explains how to set up WebDAV with lighttpd on a Debian Etch server. WebDAV stands for <i>Web-based Distributed Authoring and Versioning</i> and is a set of extensions to the HTTP protocol that allow users to directly edit files on the lighttpd server so that they do not need to be downloaded/uploaded via FTP. Of course, WebDAV can also be used to upload and download files.</p> <a href="http://howtoforge.com/setting-up-webdav-with-lighttpd-debian-etch" title="Read the rest of this posting." class="read-more">Read more...</a> Debian Thu, 07 Aug 2008 19:37:16 +0200 http://howtoforge.com/setting-up-webdav-with-lighttpd-debian-etch http://howtoforge.com/setting-up-webdav-with-lighttpd-debian-etch#comment http://howtoforge.com/make-monit-send-sms-alerts-when-the-server-goes-down <p><b>How To Make monit Send SMS Alerts When Your Server Goes Down</b></p> <p>This tutorial explains how you can configure monit to send alert messages per SMS to your mobile phone when a service fails. Because monit can send only emails but not SMS, we will use an email-to-sms gateway where monit will send its emails to, and the email-to-sms gateway will convert the emails to SMS messages.</p> <a href="http://howtoforge.com/make-monit-send-sms-alerts-when-the-server-goes-down" title="Read the rest of this posting." class="read-more">Read more...</a> Linux Monitoring Thu, 07 Aug 2008 11:33:42 +0200 http://howtoforge.com/make-monit-send-sms-alerts-when-the-server-goes-down http://howtoforge.com/make-monit-send-sms-alerts-when-the-server-goes-down#comment http://howtoforge.com/how-to-set-up-a-cisco-lab-on-linux-centos5.2 <p><b>How To Set Up A Cisco Lab On Linux (CentOS 5.2)</b></p> <p> I recently decided to study for the Cisco CSSP certification. My main concern in the beginning was the fact that most of the lab simulation software that I found out there could only run on Windows, this was a problem for me given the fact that I do not own a windows computer. After a quick search I found the wonderful Dynamips project that goes beyond what other simulators do by running actual Cisco IOS images, as well as the PEMU project which allows for running of Cisco PIX images. To integrate the various pieces of software and provide an interface for interaction with the devices I used dynagen.</p> <a href="http://howtoforge.com/how-to-set-up-a-cisco-lab-on-linux-centos5.2" title="Read the rest of this posting." class="read-more">Read more...</a> CentOS Linux Virtualization Other Commercial Wed, 06 Aug 2008 22:37:40 +0200 http://howtoforge.com/how-to-set-up-a-cisco-lab-on-linux-centos5.2 http://howtoforge.com/how-to-set-up-a-cisco-lab-on-linux-centos5.2#comment http://howtoforge.com/how-to-install-django-on-fedora9-apache2-mod_python <p><b>How To Install Django On Fedora 9 (Apache2/mod_python)</b></p> <p>This tutorial explains how to install Django on a Fedora 9 server. Django is a web framework that allows to develop Python web applications quickly with as much automation as possible. I will use it with Apache2 and mod_python in this guide.</p> <a href="http://howtoforge.com/how-to-install-django-on-fedora9-apache2-mod_python" title="Read the rest of this posting." class="read-more">Read more...</a> Fedora Apache Tue, 05 Aug 2008 17:19:31 +0200 http://howtoforge.com/how-to-install-django-on-fedora9-apache2-mod_python http://howtoforge.com/how-to-install-django-on-fedora9-apache2-mod_python#comment http://howtoforge.com/creating-simple-vhosts-with-mod_mysql_vhost-on-lighttpd-debian-etch <p><b>Creating Simple Virtual Hosts With mod_mysql_vhost On Lighttpd (Debian Etch)</b></p> <p>This guide explains how you can use mod_mysql_vhost to create simple virtual hosts on a lighttpd web server on Debian Etch. With mod_mysql_vhost, lighttpd can read the vhost configuration from a MySQL database. Currently, you can store the domain and the document root in the MySQL database which results in very simple virtual hosts. If you need more directives for your vhosts, you'd have to configure them in the global section of lighttpd.conf, which means they'd be valid for all vhosts. Therefore, mod_mysql_vhost is ideal if your vhosts differ only in the domain and document root.</p> <a href="http://howtoforge.com/creating-simple-vhosts-with-mod_mysql_vhost-on-lighttpd-debian-etch" title="Read the rest of this posting." class="read-more">Read more...</a> Debian Tue, 05 Aug 2008 12:34:32 +0200 http://howtoforge.com/creating-simple-vhosts-with-mod_mysql_vhost-on-lighttpd-debian-etch http://howtoforge.com/creating-simple-vhosts-with-mod_mysql_vhost-on-lighttpd-debian-etch#comment http://howtoforge.com/centos-directory-server-on-centos5.2 <p><b>CentOS Directory Server On CentOS 5.2</b></p> <p>The enterprise-class Open Source LDAP server for Linux. It is hardened by real-world use, is full-featured, supports multi-master replication, and already handles many of the largest LDAP deployments in the world. The <b>Centos Directory Server</b> (based on Fedora Directory Server) can be downloaded for free and set up in less than half an hour.</p> <a href="http://howtoforge.com/centos-directory-server-on-centos5.2" title="Read the rest of this posting." class="read-more">Read more...</a> CentOS Mon, 04 Aug 2008 20:07:57 +0200 http://howtoforge.com/centos-directory-server-on-centos5.2 http://howtoforge.com/centos-directory-server-on-centos5.2#comment http://howtoforge.com/how-to-install-zimbra-desktop-on-ubuntu8.04 <p><b>How To Install The Zimbra Desktop Email Client On Ubuntu 8.04 LTS (Hardy Heron)</b></p> <p>This article shows how you can install the Zimbra Desktop email client on an Ubuntu 8.04 LTS (Hardy Heron) desktop. Zimbra Desktop is a full-fledged replacement for email clients such as Outlook or Evolution, offering email, contacts, calendar, documents, tasks, etc. You can use it in conjunction with the Zimbra Collaboration Suite (ZCS) or any other email account that supports POP3 or IMAP.</p> <a href="http://howtoforge.com/how-to-install-zimbra-desktop-on-ubuntu8.04" title="Read the rest of this posting." class="read-more">Read more...</a> Ubuntu Desktop Email Sun, 03 Aug 2008 19:38:23 +0200 http://howtoforge.com/how-to-install-zimbra-desktop-on-ubuntu8.04 http://howtoforge.com/how-to-install-zimbra-desktop-on-ubuntu8.04#comment http://howtoforge.com/openerp-installation-on-centos5.2 <p><b>Installation Of Open ERP Client, Server And Open ERP eTiny Server On CentOS 5.2</b></p> <p>This article will show you how to configure and install the Open ERP 4.2.2 Server, Client and eTiny Server for Cent OS 5.2.</p> <a href="http://howtoforge.com/openerp-installation-on-centos5.2" title="Read the rest of this posting." class="read-more">Read more...</a> CentOS Fri, 01 Aug 2008 16:08:19 +0200 http://howtoforge.com/openerp-installation-on-centos5.2 http://howtoforge.com/openerp-installation-on-centos5.2#comment http://howtoforge.com/how-to-set-up-a-linux-layer-7-packet-classifier-on-centos5.1 <p><b>How To Set Up A Linux Layer 7 Packet Classifier On CentOS 5.1</b></p> <p>This tutorial will walk you through setting up a Linux layer 7 packet classifier on CentOS 5.1, this can easily be adapted to any other Linux distribution out there. </p> <a href="http://howtoforge.com/how-to-set-up-a-linux-layer-7-packet-classifier-on-centos5.1" title="Read the rest of this posting." class="read-more">Read more...</a> CentOS Kernel Thu, 31 Jul 2008 17:36:36 +0200 http://howtoforge.com/how-to-set-up-a-linux-layer-7-packet-classifier-on-centos5.1 http://howtoforge.com/how-to-set-up-a-linux-layer-7-packet-classifier-on-centos5.1#comment http://howtoforge.com/installing-clamav0.93.3-from-the-sources-plus-sendmail-integration-centos5.2 <P><B>Installing ClamAV 0.93.3 From The Sources (+ Sendmail Integration) On CentOS 5.2</b></p> <P>This how-to refers to the installation and configuration of Clamav 0.93.3 (from sources) on a Linux server running CentOS 5.2 and sendmail. We assume the fact you’ve installed sendmail from the rpm packages of your distribution.</p><a href="http://howtoforge.com/installing-clamav0.93.3-from-the-sources-plus-sendmail-integration-centos5.2" title="Read the rest of this posting." class="read-more">Read more...</a> Anti-Spam/Virus CentOS Sendmail Thu, 31 Jul 2008 15:04:01 +0200 http://howtoforge.com/installing-clamav0.93.3-from-the-sources-plus-sendmail-integration-centos5.2 http://howtoforge.com/installing-clamav0.93.3-from-the-sources-plus-sendmail-integration-centos5.2#comment http://howtoforge.com/postfix-virtual-hosting-with-ldap-and-dovecot-on-ubuntu8.04 <p><b>Postfix Virtual Hosting With LDAP Backend With Dovecot As IMAP/POP3 Server On Ubuntu Hardy Heron 8.04 TLS</b></p> <p>I've been running with a MySQL backend for virtual hosting for some time, but when I discovered Phamm and the added FTP feature (amongst others) I decided to switch to LDAP as backend for Postfix with virtual hosting. In view of the fact that the installation and configuration guide of Phamm is lacking some basic information it took me quite some time (including crying, swearing, getting depressed, ...) to put it all together and get it working. Long live google to find hints or explanations for problems and configuration issues. Piecing it all together wasn't simple so I would like to share how I configured it and got it all working toghether (as I like), but I think that it will benefit other users as well.</p> <a href="http://howtoforge.com/postfix-virtual-hosting-with-ldap-and-dovecot-on-ubuntu8.04" title="Read the rest of this posting." class="read-more">Read more...</a> Ubuntu Postfix Wed, 30 Jul 2008 18:17:49 +0200 http://howtoforge.com/postfix-virtual-hosting-with-ldap-and-dovecot-on-ubuntu8.04 http://howtoforge.com/postfix-virtual-hosting-with-ldap-and-dovecot-on-ubuntu8.04#comment http://howtoforge.com/installing-and-using-openvz-on-centos5.2 <p><b>Installing And Using OpenVZ On CentOS 5.2</b></p> <p>In this HowTo I will describe how to prepare a CentOS 5.2 server for OpenVZ. With OpenVZ you can create multiple Virtual Private Servers (VPS) on the same hardware, similar to Xen and the Linux Vserver project. OpenVZ is the open-source branch of Virtuozzo, a commercial virtualization solution used by many providers that offer virtual servers. The OpenVZ kernel patch is licensed under the GPL license, and the user-level tools are under the QPL license.</p> <a href="http://howtoforge.com/installing-and-using-openvz-on-centos5.2" title="Read the rest of this posting." class="read-more">Read more...</a> CentOS Virtualization Tue, 29 Jul 2008 17:44:45 +0200 http://howtoforge.com/installing-and-using-openvz-on-centos5.2 http://howtoforge.com/installing-and-using-openvz-on-centos5.2#comment http://howtoforge.com/how-to-control-or-block-instant-messengers-with-safesquid-proxy-server <p><b>How To Control Or Block Instant Messengers With SafeSquid Proxy Server</b></p> <p>In this tutorial I will explain how you can control or completely block access to a few instant messengers with SafeSquid, like Google Talk, Google chat within Gmail, MSN Messenger, Yahoo Messenger and Skype. Once you are familiar with the method of blocking these messengers, you should be able to block other messengers. Please note that these methods will only be effective, if you block all direct access to the router and firewall, except required ports like 25 &amp; 110, so that users are able to access the net only through the proxy server. When all higher ports are blocked, most messenger try to communicate on port 80 and 443, which will have to go through the proxy, and thus allow you to control them. Most messengers also allow you to define proxy settings and username / password for authenticating Proxies.</p> <a href="http://howtoforge.com/how-to-control-or-block-instant-messengers-with-safesquid-proxy-server" title="Read the rest of this posting." class="read-more">Read more...</a> Security Tue, 29 Jul 2008 15:11:53 +0200 http://howtoforge.com/how-to-control-or-block-instant-messengers-with-safesquid-proxy-server http://howtoforge.com/how-to-control-or-block-instant-messengers-with-safesquid-proxy-server#comment http://howtoforge.com/how-to-patch-bind-to-avoid-cache-poisoning-debian-etch <p><b>How To Patch BIND9 Against DNS Cache Poisoning On Debian Etch</b></p> <p>This article explains how you can fix a BIND9 nameserver on a Debian Etch system so that it is not vulnerable anymore to DNS cache poisoning.</p> <a href="http://howtoforge.com/how-to-patch-bind-to-avoid-cache-poisoning-debian-etch" title="Read the rest of this posting." class="read-more">Read more...</a> Debian DNS Security Mon, 28 Jul 2008 16:17:45 +0200 http://howtoforge.com/how-to-patch-bind-to-avoid-cache-poisoning-debian-etch http://howtoforge.com/how-to-patch-bind-to-avoid-cache-poisoning-debian-etch#comment http://howtoforge.com/how-to-patch-bind-to-avoid-cache-poisoning-fedora-centos <p><b>BIND 9 Vulnerability And Solution - Patch BIND To Avoid Cache Poisoning (Fedora/CentOS)</b></p> <p>I am pretty sure most of you guys have hard about the Vulnerability in BIND. Dan Kaminsky earlier this month announced a massive, multi-vendor issue with DNS that could allow attackers to compromise any name server - clients, too. I thought I would share with you all one of the quickest solutions systems administrators running BIND 9 can use to help solve this vulnerability in case their systems are vulnerable.</p> <a href="http://howtoforge.com/how-to-patch-bind-to-avoid-cache-poisoning-fedora-centos" title="Read the rest of this posting." class="read-more">Read more...</a> CentOS Fedora DNS Security Sun, 27 Jul 2008 19:56:59 +0200 http://howtoforge.com/how-to-patch-bind-to-avoid-cache-poisoning-fedora-centos http://howtoforge.com/how-to-patch-bind-to-avoid-cache-poisoning-fedora-centos#comment