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Wednesday, 30 May 2012

HOWTO: Give Network Manager Sufficient Privileges

Posted on 18:50 by Unknown
Nm-applet is easily one of the most flexible network connection tools available under modern Linux distributions today. Because of this it is my network manager of choice. The only issue is that under a good deal of modern window managers (such as E17) nm-applet doesn't let your normal user connect to new networks without a bit of additional configuration.

The following is how to get around the message:

Failed to add new connection: (32) Insufficient privileges.

From the 0.9.x revision of the network manager.

It is a fairly simple fix that simply involves creating a configuration file. Crack open your terminal emulator of choice and run:

sudo nano /etc/polkit-1/localauthority/50-local.d/org.freedesktop.NetworkManager.pkla

For the contents of this file simply paste this and then save+close the file.

Note if your user will need to be part of the netdev group for that code to function (if you don't have a netdev group, any group your user is a part of will work). To check the groups your current user is in simply run groups myusername in terminal (replace myusername with the name of your user clearly).

~Jeff Hoogland
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Posted in enlightenment, howto, open source | No comments

A Bodhi Linux 2.0.0 Beginning

Posted on 14:10 by Unknown
The Bodhi team and I are happy to announce the first pre-release (Read: Not suitable for daily usage machines) of our next major release Bodhi Linux 2.0.0! This release is considered alpha quality and is intended to allow our community to help test this release before it becomes our "stable" version.

The goal of a new major release is not to introduce ground breaking new features. The goal of a major Bodhi release is to allow our distro to transition to the next major Ubuntu LTS as a distro base. That is right folks - these ISO images are built on top of the recently released Ubuntu 12.04 (where is all previous Bodhi versions had been based on Ubuntu 10.04). The most noteworthy thing this release introduces is native support for 64bit. From this point forward all Bodhi releases will come in x86 and 64bit flavors.


Without further wait you can find these discs for download via source forge here.



Things to note with these CD images:

Not everything is going to work - we know this and so should you. The important thing is that when you find something that doesn't work let us know so we can fix it!  The best solution for discussing issues you find is our user forums (not the comments section on this post).

I had a minor brain fart when building the latest set of packages for this image - which means when you select Bodhi Linux->About from the main menu, the version number still appears as "1.4.0", this numbering issue will be resolved within the next week via package manager updates.

The download size is large. Yep - there is nothing wrong with your eyes, those ISO images are kinda fat compared to previous Bodhi releases. This is because I have yet to start manually stripping out packages from the disc that aren't needed. That will be happening between now and the stable release (if you'd like to help with this, please feel free to post lists of pre-installed packages you notice that aren't needed).

The installer slides on the 32bit image have a permissions issue that prevents them from being displayed by the installer by default.

The network manager is not auto launching for the live user - it can be launched manually.

Network manager needs to be run with sudo to add connections - for a fix to this see here.

I will update this list with known issues as they are found/reported.


Thanks for reading and helping us test! Lets make sure this next release is as stable (and awesome) as possible.

~Jeff Hoogland
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Posted in bodhi | No comments

Monday, 14 May 2012

HOWTO: Diablo 3 on Linux

Posted on 18:53 by Unknown
Like many nerds around the world this evening I am prepping for what, odds are, will be the first of many all-nighters involving Blizzard's soon-to-be-released Diablo III (which releases tonight at midnight!). If you have been by my blog before then odds are you will know that I prefer to do as much of my gaming as possible on my operating system of choice: Linux. Something else you may or may not know is that I am also a large fan of the company Code Weavers that produces the commercial Wine software Crossover.

Want to know the reason I am such a fan of Crossover? A few weekends ago I spent about 6 hours trying to get Wine sources to compile with various patches to make the Diablo 3 open beta work on Linux. The result? I ended up hanging my head in defeat and just playing on my OSx86 system so I didn't miss the weekend event. At that point Diablo 3 didn't work OOTB on default Wine builds or Crossover.

This morning I dropped by #crossover on FreeNode to check in with the Crossover folks to see what their plans were for the Diablo 3 release due out tonight - were us Linux folks going to have to wait?

Nope!

The Diablo 3 release is something they had been very aware of and had been testing rigorously in-house. I was informed they had internal builds of Crossover where Diablo 3 was functional enough to play this very day. In fact within three hours of my speaking with them they had an "unsupported build" release that was functional with the Diablo 3 installer (note: if you are not a current Crossover customer that above link will not work for you).

I promptly installed the update and was on my merry way:


As of now if you are using Crossover 11.1 or newer Diablo 3 is now officially supported,

Now - if you are not interested in supporting Crossover - you can attempt to succeed where I failed and compile Wine with some of the patches listed on the Diablo 3 Beta AppDB page. Odds are if you wait for the next Wine developmental release or two, Diablo 3 will just start working by default - the Crossover folks are one of the lead contributors to the Wine project and most of their code improvements go upstream.

Trouble Shooting Tips:
If you are having issues getting it to run via the latest Wine builds it might be worth your while to use winetricks to install the "vcrun2008" package.

If your login attempt is hanging at the "authenticating credentials" step, exit Diablo, open a terminal and run:

echo 0|sudo tee /proc/sys/kernel/yama/ptrace_scope

~Jeff Hoogland
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Posted in codeweavers, diablo3, gaming, howto, linux, software, wine | No comments

Thursday, 3 May 2012

Getting Back into the Swing of Things

Posted on 08:37 by Unknown
Howdy All,

Just wanted to drop a quick note here saying I do still plan to maintain my lovely blog. Last month my school schedule got the best of me and I only managed to eek out a single post that was mostly related to the Diablo 3 Open Beta weekend.

The semester is out in 6 days though - so expect plenty of yummy tech goodness (including the first news of Bodhi 2.0.0!) coming this month.

~Jeff Hoogland
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Posted in | No comments

Saturday, 21 April 2012

HOWTO: Enable nVidia Graphics on OSX86

Posted on 21:00 by Unknown
So I've been tooling around with OSX on my Sager laptop again and spent a short bit of time running around in circles trying to get my nVidia graphics enabled again. Getting this done with a modern OSX86 release is fairly easy if you know how (it doesn't even require installing a kext).

Simply open a terminal and run:

sudo nano /Library/Preferences/SystemConfiguration/com.apple.Boot.plist

Type your password and press enter. In the file that is opened simply add these lines. Above the line that reads this.

Press ctrl+x to close the file and press "y" followed by enter to save the changes. Reboot your Hackintosh and you should be good to go. I'll be enjoying the Diablo 3 beta on mine.


As a side note sorry for the lack of posts this month. My school semester is coming to an end and life has been crazy of the late - expect some good postings come May (including hopefully a HOWTO for running Diablo 3 on Linux).

~Jeff Hoogland
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Posted in apple, hardware, nvidia, software | No comments

Friday, 30 March 2012

Clarifying details about E17 and Compositing

Posted on 08:24 by Unknown
I just wanted to take a moment to clarify the state of compositing with the Enlightenment desktop. In two recent reviews of Bodhi Linux the authors mucked up a few of the details concerning compositing and E17. I can't really fault them for their misinformation (as a whole both are really good write ups) because the details about compositing and E17 aren't very well documented. Today I would like to clarify a few things about using compositing with Enlightenment DR17.

First - there are currently two different compositing engines for Enlightenment. One of these is "Ecomorph" and it is the most commonly referenced when talking about compositing and E17. Ecomorph is not housed in the official E SVN and is not installed in Bodhi by default (you can find details on getting the Ecomorph source code here). Ecomorph is a slightly rough port of the famous "compiz fusion" for Enlightenment. It does not provide a consistent experience across a variety of hardware and it is no longer under active development - thus it is not recommended for usage.

For those who want a pleasant compositing experience with Enlightenment the E team has been developing their own compositing manager from scratch. E's compositing manager functions either via a software engine or with OpenGL support. This compositing engine is not based on, nor does it have any ties to Compiz. This is also the compositing engine you will find in use on the "Compositing" profile Bodhi ships with. This engine is not as feature rich as Compiz as of yet, but slowly it is gaining more and more advanced features.


If you have any questions or if anything is still unclear feel free to drop a comment below.

~Jeff Hoogland
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Posted in bodhi, enlightenment, open source, software | No comments

Wednesday, 28 March 2012

HOWTO: TI-83 Emulator on Linux

Posted on 08:17 by Unknown
When you are trying to show a classroom full of students how to enter a complicated equation into their calculator it is pretty much always best to give an example. In order to do this in an effective manner I like to be able to display the calculator on the projector. Most students today have a TI83/84 model so being able to have an emulator for one of these on my laptop is essential. The following is how I went about getting a TI-83 emulator setup on my Bodhi Linux machine:

First - Download, Compile, and install Tilem

My TI emulator of choice is called "Tilem". It is an open source project and you can download the latest source code here. Extract it's contents and do the:

./configure
make
sudo make install

dance that compiles so much software. If the software doesn't compile for you first try be sure to check the README file and the configure script output - odds are you are simply missing a build dependency. If you can't figure out the issue on your own pastebin the error message and post it in the comments - I'll do my best to lend a hand.

Second - Obtain and use a ROM Image

There are a few different ways to get an image of a TI-ROM. You can dump the ROM off of a physical calculator you own (mildly complicated, check that README file for details on this) or you can hit Google. I found a good TI83 download here.

Next simply launch

tilem2

and point it to the location of your calculator ROM file. Once you select it your TI emulator should appear on screen:




Enjoy!

~Jeff Hoogland
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Posted in howto, linux, math | No comments
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