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Monday, April 6, 2009

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Links for 2009-04-05 [del.icio.us]



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Links for 2009-04-05 [del.icio.us]



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Diagramming with Dia

Dia is a commonly available package for a Linux users. It’s an all-around diagramming tool, actually. From UML diagrams to ERDs, to flowcharts and other diagrams I am not familiar with (Sybase, Cisco, electric), it seems to be your one-stop app. I can’t open Visio (VSD) files with Dia though ( But it’s better than nothing, if I were to draw a diagram from scratch, that is.

Use Case Diagram on Dia

Use Case Diagram on Dia

Good news for those who need to read .VDX files though. It seems capable of doing so. In the file open dialog, .VDX files are included in the file extensions list. So maybe for the latest versions of Visio, there might not be much of a problem. Apparently, Dia can also export files in that format. Amazing, right?

Some pros and cons of Dia:
Pros

  1. It can accommodate drawing many types of diagrams.
  2. Commonly found in various distros repos.
  3. Not too complicated, in terms of how many menus, dialog boxes, etc. that the user has to view.
  4. It can open .VDX files and it can also export to the said file format.

Cons

  1. It cannot open .VSD files.
  2. It might be confusing to others to edit a particular object. Tapping on an object once allows you to edit the label/name/title. Double tapping makes you edit its attributes.
  3. It might not have the diagramming convention you are used to. If you know only one notation and that’s the one you need, then Dia might not be the appropriate tool for you.
  4. Some symbols seem to be missing. For the mock use case diagram I just drew a line instead of a relationship diagram, like what you’d typically see in JUDE, etc.

I still think that Dia might actually stand a chance if the interoperability problems will be solved. Otherwise, users will just keep on wanting to use Visio instead. (



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Project Unity Updates

Just a few updates on the new project named Unity…

What is Unity you ask? Unity Linux strives to be a solid core for the mklivecd project. We hope that numerous distributions of Linux that want to make use of functions such as mklivecd and remasterme will base their distributions on our small core. Our methodology is to keep it simple, keep it open, keep it free, and keep it updated!

Some distributions you may see based on Unity Linux: Granular Linux, Producer Edition Linux, TinyMe Linux, TinyFlux Linux, Unity e17 (formerly PCe17OS), and many others. One of the others I speak of here that mightbase on Unity is SAM Linux. For those of you that don’t know, SAM has been doing its own thing for a while now and the ability to have a small core without lots of dependencies with the ability to remaster and mklivecd is appealing to many distributions and remasters out there. Hopefully, our core will do well for everyone involved. Thus far, SAM is keeping it’s eyes open and looking at Unity to see where it goes.

So, lots of development is happening right at this moment…and we still have lots to go. Our developer ranks have swollen to around 29 members now…so we’ve got a GREAT group of people all working toward the common goal. Right now, our developers want to get a core iso out the door so that everyone can have a common desktop to work on (for our docs guys, for our rpm rollers, for our kernel hackers) to make sure we’re all on the same page.

We’re also beginning to form teams…or at least talk about teams ) I think soon we’ll see dedicated team leads come out of the development ranks to step up and develop in their individual area. If you have questions or concerns or comments about Unity Linux, please drop me a line below!

Sign Up for Unity Linux RSS - Get notified when we release!

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Project Unity Updates - Yet Another Linux Blog



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small tip, how to recreate / update openbox menu

Every day I love small window managers more and more, actually I starting to think that there is no need for Gnome or KDE, I am using latelly OpenBox and was using fluxbox before.

One of the differences between these light weight Linux window managers and the Desktops like Gnome or KDE is that when you add or install a new program it is not automatically inserted in the menus, so you need to add it manually or may have a program doing it for you.

If you are using OpenBox you need menumaker

First install it.

Arch Linux

sudo pacman -S menumaker

Gentoo Linux

sudo emerge menumaker

Once it it installed just run it:

mmaker -vf OpenBox3

For Arch Linux

mmaker -v OpenBox

For Gentoo Linux.



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