03. LAN

Good introductory article on monitoring disk usage, with a nice little script to send a mail as filesystems approach their limit:

System Administrators Toolkit: Monitoring disk space and usage
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... by attaching 6 keyboards, mice, and monitors to it, of course. Need to provide a place for guests or workers to get online, and not much more? This can be a very cost-effective solution. Build a Six-headed, Six-user Linux System.

Just stumbled upon a pretty cool web interface to a centralized backup system. You can manage a series of snapshot backups of all the computers on your network. It can automatically send a user an email if there's a repeated problem of missed backups. And users can restore their own backups through the web site.

Another very technical article. This one describes how to set up an infrastructure for securely providing single sign-ons to multiple systems in a LAN. Paranoid Penguin - Single Sign-on and the Corporate Directory, Part I | Linux Journal

This is a bit technical, but contains steps for securing LDAP to control user access to your network. Linux.com | Advanced Linux LDAP authentication.

Voice Over IP (VoIP) is becoming a main part of the small business infrastructure. As phone networks converge with data networks, security becomes more of a concern. This group is assembling a taxonomy of security issues associated with VoIP: VOIPSA : Activities : Working Groups : Threat Taxonomy.

This school made 60 Pentium I and Pentium II computers useful for their students, using a Linux thin-client solution, on a tiny technology budget. Check out their story: Rescuing a School Technology Program: Linux Thin-client Overview OP/ED

There are a number of ways to integrate Linux clients and servers into an Active Directory environment. This article discusses a few of them.

Can you tell I have posts stacked up to write? Taking a bit today to post some links I've stumbled across in the past few weeks. Here's an article discussing the issues of migrating a Windows NT office environment to Linux, discussing some of the issues resolved by Active Directory and the alternatives. Windows-to-Linux migrations: Clearing the Active Directory hurdle.

Technical note: here's how to configure a Linux router to handle multiple Internet connections, providing automatic redundency should your primary Internet connection goes down: Linux.com | Using a Linux failover router.