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Debian

Using The Bazaar Version Control System (VCS) On Debian Etch

Post date: January 22, 2008, 11:01 Category: Miscellaneous Views: 4098 Comments
Tutorial quote: Bazaar is a distributed version control system (VCS) available under the GPL; it is similar to Subversion (svn). Bazaar is sponsored by Canonical, Ltd., the company that develops the Ubuntu Linux distribution, and therefore the Ubuntu project is the most prominent user of Bazaar. This article explains how to set up and use Bazaar on a Debian Etch system, and how to configure an SFTP-/HTTP server to host your Bazaar repository.
Linux

Building an LDAP Server on Linux, Part 1

Post date: April 15, 2005, 17:04 Category: Network Views: 3251 Comments
Tutorial quote: Your network is growing in size and complexity. It's taking on a life of its own, spreading and growing and absorbing everything in its path. You're tearing your hair out trying to keep track, and your users have somehow discovered your secret phone number and are pestering you with endless questions and demands--where do I find this; I don't want to keep track of a dozen different passwords; nothing works like it should.

Of several possible solutions, consider two: 1) find a new hiding place, or 2) implement an LDAP server. While finding a new hiding place might sound ideal, it's an option we're going to have to save for a future article. This series will instead explain what LDAP is good for, detail how to build an LDAP server, and cover what you can do with it.
Debian

Install and Configure Auth Shadow on Debian/Ubuntu

Post date: February 23, 2007, 18:02 Category: Miscellaneous Views: 4460 Comments
Tutorial quote: Auth Shadow or mod-auth-shadow is a module for apache (and apache2, sort of) that enables authentication against /etc/shadow. The benefits being that any system user with a password can be authenticated for web_dav, subversion or simply an https server. The only other way to do this is with PAM. That method is dangerous because the apache user (www-data in my case) must be able to read /etc/shadow. Obviously, not a good idea. Auth Shadow accomplishes this safely by using a intermediate program called validate. This works because validate can be owned by root but executable by everyone. In the event that your server is compromised through apache, your password file will not be readable.
Unix+clones

OpenOffice 2.0: Creating database forms

Post date: December 13, 2005, 12:12 Category: Software Views: 3646 Comments
Tutorial quote: ather than having a shallow affair with OpenOffice 2.0, we can use it to get a little more intimate with the data. We can even badger it into forming relations. Why force your database tables into a marriage with OpenOffice? Because, as with human relations, life -- and data -- are pretty meaningless without tight connections.

This tip on creating forms is part of a series I'm writing on OpenOffice.org 2.0 Base. So far, I've discussed making a plain database from scratch, creating tables, entering data using the table editor and a simple form and creating a view of a table or tables.

Let's start off with a description of what table relations are anyway, then discuss how to create a data entry form like this one, which has data from two related tables.
Linux

Benchmarking Filesystems

Post date: April 12, 2005, 07:04 Category: Benchmarks Views: 3689 Comments
Tutorial quote: I recently purchased a Western Digital 250GB/8M/7200RPM drive and wondered which journaling file system I should use. I currently use ext2 on my other, smaller hard drives. Upon reboot or unclean shutdown, e2fsck takes a while on drives only 40 and 60 gigabytes. Therefore I knew using a journaling file system would be my best bet. The question is: which is the best? In order to determine this I used common operations that Linux users may perform on a regular basis instead of using benchmark tools such as Bonnie or Iozone. I wanted a "real life" benchmark analysis. A quick analogy: Just because the Ethernet-Over-Power-Lines may advertise 10mbps (1.25MB/s), in real world tests, peak speed is only 5mbps (625KB/s). This is why I chose to run my own tests versus using hard drive benchmarking tools.
Unix+clones

Making Web Browsing Easy For The Tiny Screen

Post date: August 9, 2005, 19:08 Category: Network Views: 3561 Comments
Tutorial quote: An avalanche of content will soon appear in the palm of your hand.

Tiny screens are showing up everywhere in PDAs and cell phones. Many are equipped with some form of network device and a browser, so it's not hard to see what's coming down the pike.

Late model PDAs, like my HP iPAQ 3715 no longer suffer from insufficient computing power, lack of memory or having to rely on pricey external 802.11b cards. The little machine is quick to boot up and can handle many daily business functions.

Even though it runs a version of Internet Explorer, jumping onto an access point and browsing web pages is fast and useful.

In this edition, I'll share my observations on things you might consider when converting LAMP (Linux, Apache, MySQL, PHP) applications or web pages, for use on the tiny screen. I'll approach the issues from an iPAQ user perspective and focus on convenience and making the user's life easy.
Web-based applications and online marketing solutions - LumoLink