Juliet Kemp

More on open source servers GroupServer is an open-source (GPL) mailing-list manager that doubles as a forum/bulletin board. Email posts are mirrored on

The WebDAV protocol enables users to store and share files via HTTP. This is particularly valuable in cases where HTTP is usually read-only, as WebDAV

Last week's tip looked at fuser, which shows which process is accessing a given file. lsof is another tool for locating open files. What makes this

IPTraf is a very useful ncurses-based application that shows the traffic passing through your machine. Tip of the Trade: Check out the traffic passing

I am of course sure that everyone reading this is well aware of scripting best practices and always writes beautifully neat and well-set-out scripts that

LDAP allows you to have a master+slave server setup, with automatic failover in case of problems or just to spread the load. This has obvious advantages,

I've been using bash for years, and I still haven't come anywhere close to mastering the full range of available command line keyboard shortcuts. I've

Memopal recently released a version of its software for Linux, offering an online backup service for either personal or business users. The business

As we are all (I hope ...) painfully aware, decent backups are absolutely vital. Last week I looked at a potential option for offsite backup, and

The /proc directory — which provides a text-based way of interfacing with system settings and processes — looks complicated at first glance,

The previous column looked at using /proc to examine. There's a lot of other information available there as well. proc is fundamentally a myth: It's a

The superblock is the part of an ext2 or ext3 filesystem that contains the metadata — information about filesystem type, size, status and so on.