[HowtoForge] Newsletter 12/10/2009

HowtoForge Newsletter 12/10/2009
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New HOWTOs:
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* The Perfect Desktop - OpenSUSE 11.2 (GNOME)
* The Perfect Server - OpenSUSE 11.2 x86_64 [ISPConfig 2]
* The Perfect Server - Mandriva 2010.0 Free (x86_64) [ISPConfig 2]
* Postfix Virtual Hosting With LDAP Backend And With Dovecot As IMAP/POP3 Server On Ubuntu Karmic Koala 9.10
* Install And Configure OpenLDAP On Ubuntu Karmic Koala
* How To Compile rTorrent From SVN In Ubuntu 9.10 Karmic Koala / Debian 5 Lenny With Magnet Link Support
* How To Relay Email On A Postfix Server
* Block Spam, Preventing URL Injection And Block HTTP Attacks With mod_dnsblacklist

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The Perfect Desktop - OpenSUSE 11.2 (GNOME)
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This tutorial shows how you can set up an OpenSUSE 11.2 desktop that is a full-fledged replacement for a Windows desktop, i.e. that has all the software that people need to do the things they do on their Windows desktops. The advantages are clear: you get a secure system without DRM restrictions that works even on old hardware, and the best thing is: all software comes free of charge.

You can find the document here:
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http://www.howtoforge.com/the-perfect-desktop-opensuse-11.2-gnome

The Perfect Server - OpenSUSE 11.2 x86_64 [ISPConfig 2]
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This is a detailed description about how to set up an OpenSUSE 11.2 server (x86_64) that offers all services needed by ISPs and hosters: Apache web server (SSL-capable), Postfix mail server with SMTP-AUTH and TLS, BIND DNS server, Proftpd FTP server, MySQL server, Dovecot POP3/IMAP, Quota, Firewall, etc. In the end you should have a system that works reliably, and if you like you can install the free webhosting control panel ISPConfig 2 (i.e., ISPConfig runs on it out of the box).

You can find the document here:
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http://www.howtoforge.com/perfect-server-opensuse-11.2-x86_64-ispconfig-2

The Perfect Server - Mandriva 2010.0 Free (x86_64) [ISPConfig 2]
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This tutorial shows how to set up a Mandriva 2010.0 Free (x86_64) server that offers all services needed by ISPs and hosters: Apache web server (SSL-capable), Postfix mail server with SMTP-AUTH and TLS, BIND DNS server, Proftpd FTP server, MySQL server, Dovecot POP3/IMAP, Quota, Firewall, etc. In the end you should have a system that works reliably, and if you like you can install the free webhosting control panel ISPConfig 2 (i.e., ISPConfig runs on it out of the box). This tutorial is written for the 64-bit version of Mandriva 2010.0.

You can find the document here:
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http://www.howtoforge.com/perfect-server-mandriva-2010.0-free-x86_64-ispconfig-2

Postfix Virtual Hosting With LDAP Backend And With Dovecot As IMAP/POP3 Server On Ubuntu Karmic Koala 9.10
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This how to will allow you step by to configure a Postfix mail server with with virtual hosting. Virtual hosting means that you can add as many mail domains as you want and sub sequentially as many mailboxes for these domains as you want. Here we we use an LDAP backend for both the MTA (Postfix) and POP3/IMAP server (Dovecot), and a web based management interface. Optional in this how to is the use of Roundcube webmail and proftpd.

You can find the document here:
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http://www.howtoforge.com/postfix-virtual-hosting-with-ldap-backend-and-with-dovecot-as-imap-pop3-server-on-ubuntu-karmic-koala-9.10

Install And Configure OpenLDAP On Ubuntu Karmic Koala
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The configuration of OpenLDAP got a bit (more) complicated. cn=config is still used, but when installing the packages from the repositories only a skeleton configuration of openldap is installed. You're not asked anymore to provide a password when the package is installed and issuing the "dpkg-reconfigure slapd" only resets openldap to the skeleton configuration. You will have to set up the openldap database, root dn and acl's yourself using the root account (or sudo) in order to configure openldap. Here is how I configured openldap in Karmic Koala, but I do not issue any guarantee that this setup will suit your needs or works for you as it worked for me.

You can find the document here:
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http://www.howtoforge.com/install-and-configure-openldap-on-ubuntu-karmic-koala

How To Compile rTorrent From SVN In Ubuntu 9.10 Karmic Koala / Debian 5 Lenny With Magnet Link Support
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rTorrent is a popular command line based bittorrent client. It provides very powerful features yet it is very light on the system - contrary to other bittorrent clients like Vuze. There are a couple of webinterfaces for it but they are not truly need. SSH access combined with the "screen" program provide you all the tools you need. This howto works for Ubuntu 9.10 Karmic Koala and for Debian 5 Lenny.

You can find the document here:
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http://www.howtoforge.com/how-to-compile-rtorrent-from-svn-in-ubuntu-9.10-karmic-koala-debian-5-lenny-with-magnet-link-support

How To Relay Email On A Postfix Server
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For two small businesses I set up a debian lenny installation on their "home" dsl connection. The problem is that they have dynamic ip addresses and most mailservers will not accept incoming mail from a server on a dynamic ip address. The solution is rather simple. Set up postfix in a way that it will relay the outgoing email through the actual ISP. In this short howto I'll show you how to do that.

You can find the document here:
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http://www.howtoforge.com/how-to-relay-email-on-a-postfix-server

Block Spam, Preventing URL Injection And Block HTTP Attacks With mod_dnsblacklist
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mod_dnsblacklist is a Lighttpd module that use DNSBL in order to block spam relay via web forms, preventing URL injection, block http DDoS attacks from bots and generally protecting your web service denying access to a known bad IP address.

You can find the document here:
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http://www.howtoforge.com/block-spam-preventing-url-injection-and-block-http-attacks-with-mod_dnsblacklist

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