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How To Make Your Xen-PAE Kernel Work With More Than 4GB RAM (Debian Etch With GRUB)
If you have a server with more than 4GB RAM and want to install a 32bit Debian Etch on it (following this tutorial: Debian Etch And Xen From The Debian Repository), you'd expect the Xen-PAE kernel to see all your RAM because the Xen-PAE kernel supports up to 64GB RAM. In fact, it recognizes only about 3.3GB RAM due to a bug in the GRUB bootloader. This article explains how you can fix GRUB so that all your RAM gets recognized.
Installing MyDNS And The MyDNSConfig Control Panel On Mandriva 2008.0
In this tutorial I will describe how to install and configure MyDNS and MyDNSConfig on Mandriva 2008.0. MyDNS is a DNS server that uses a MySQL database as backend instead of configuration files like, for example, Bind or djbdns. The advantage is that MyDNS simply reads the records from the database, and it does not have to be restarted/reloaded when DNS records change or zones are created/edited/deleted. A secondary nameserver can be easily set up by installing a second instance of MyDNS that accesses the same database or, to be more redundant, uses the MySQL master / slave replication features to replicate the data to the secondary nameserver.
How to configure Squid for two-factor authentication from WiKID
In this guide we will show how Squid can be configured to support two-factor authentication from a WiKID server, allowing users to be centrally authenticated, but their requests still distributed for efficiency.
Installation Guide: CentOS 5.1 Desktop
This document describes how to set up a CentOS 5.1 desktop. The result is a fast, secure and extendable system that provides all you need for daily work and entertainment.
Samba Domaincontroller For Small Workgroups With SWAT On Fedora 8
This document describes how to set up and configure a Samba Domaincontroller for small workgroups (up to 250 users) on Fedora 8 with the Samba Web Administration Tool. The resulting system provides an easy to manage domaincontroller for your Windows network.
Setting Up ProFTPd + TLS On Debian Etch
FTP is a very insecure protocol because all passwords and all data are transferred in clear text. By using TLS, the whole communication can be encrypted, thus making FTP much more secure. This article explains how to set up ProFTPd with TLS on a Debian Etch server.
HowTo: Install And Configure FWKNOP (Using EnGarde Linux)
Secret knocks have been used for purposes as simple and childish as identifying friend or foe during a schoolyard fort war. Fraternities teach these knocks as a rite of passage into their society, and in our security world we can implement this layer of security to lock down an SSH server. The FireWall KNock Operator (fwknop) is an excellent port knocking implementation that combines encrypted port knocking with passive OS finger-printing. This makes it possible to define specifically which Linux systems are allowed access to your SSH server. fwknop combines its functionality with iptables rules and log messages to grant or deny access to the SSH daemon.
Virtual Users And Domains With Postfix, Courier And MySQL (CentOS 5.1)
This document describes how to install a Postfix mail server that is based on virtual users and domains, i.e. users and domains that are in a MySQL database. I'll also demonstrate the installation and configuration of Courier (Courier-POP3, Courier-IMAP), so that Courier can authenticate against the same MySQL database Postfix uses. The resulting Postfix server is capable of SMTP-AUTH and TLS and quota (quota is not built into Postfix by default, I'll show how to patch your Postfix appropriately). Passwords are stored in encrypted form in the database (most documents I found were dealing with plain text passwords which is a security risk). In addition to that, this tutorial covers the installation of Amavisd, SpamAssassin and ClamAV so that emails will be scanned for spam and viruses.
Creating A Google Mashup: Getting Hyperic HQ Alerts On Your Google Page
This step-by-step document will guide you in creating a Google Mashup, so that RSS alerts from Hyperic HQ appear on your Google home page. This document is intended for current/ prospective users of Hyperic HQ (either Network administrators or other users who have limited or no experience with HQ). After following the step-by-step instructions in this HOWTO, you should be set up and get your first Hyperic HQ RSS alerts on your Google page.
Installing MyDNS And The MyDNSConfig Control Panel On Fedora 8
In this tutorial I will describe how to install and configure MyDNS and MyDNSConfig on Fedora 8. MyDNS is a DNS server that uses a MySQL database as backend instead of configuration files like, for example, Bind or djbdns. The advantage is that MyDNS simply reads the records from the database, and it does not have to be restarted/reloaded when DNS records change or zones are created/edited/deleted. A secondary nameserver can be easily set up by installing a second instance of MyDNS that accesses the same database or, to be more redundant, uses the MySQL master / slave replication features to replicate the data to the secondary nameserver.