La Boina Roja

The struggles off a future RHCE….


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I’ve turned to the dark side

As you know I gave up, for now,  on the courses Learn Python the Hard Way and the Python course at Code Academy. I quit with the first because I had really no clue of what I was doing ( I was at lesson 25 mind you Photobucket ). I dropped out at the  Code Academy because the part about Boolean became to mathematical for me,  it felt like cheating to guess or Google the answers . I’ll go back to the Code Academy when I’ve finished the arithmetic and pre-algebra part at the Khan Academy. Yesterday I started  the Python course at Khan Academy,  but I soon found out that tinkering along with Khan in vi doesn’t exactly work Photobucket

I went to look for an IDE, I tried Geany I hated it, I tried Eclipse, I hated that even more. What’s going on with all these whistles and blows? I now can see why a lot of programmers, after using these kind IDE’s for years go back either to vi or Vim.  I might be a sloppy person, but I prefer my software to be lean, mean, clean and fast as lightening. I don’t want it to take light years to even fucking load, I am looking at you here Eclipse Photobucket After those two failures I went for IDLE, and I like it, not as much as vi but I like it. It will do fine for tinkering along with youtube vids. The only thing I don’t like about IDLE is that I can’t “dock” or “glue” the windows together. This is what Desktop looks like when I’m learning Python:

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How to respond like a grown up


Here you can read Oracle Linux it’s product page. Appearantly the way to promote their product is by attacking CentOS Photobucket I actually don’t know what’s more pathetic Photobucket Oracle Linux it’s product page or Oracle Linux it’s version of Tux.

While Oracle is free to represent their distribution the way they want. I can’t help but think that they don’t have high regards of their target audience of which I am NO part,  thank you very much Photobucket

Anyway, eventhough Oracle attacks CentOS, it’s believed that the real aim is Red Hat. Sounds tinfoil hattish to you? Take a look at the Red Hat’s response to Oracle’s “Unbreakable” Linux.

Yes kids, this is how we grown ups do business Photobucket Next time your Mum tells you to play nice, ignore her.

Btw, here is a pdf file of the current Oracle’s “Unbreakable” Linux page, just in case Oracle might change it in something more proffesional. Yes, I’m nice like that Photobucket!


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Which CentOS flavour to install

Always go for the latest version, which at the moment of writing is 6.3.

The earlier versions like 4 are still avalaible but they are full of bugs and security hazards, which are solved in later releases. If you are a 1337 h4x0r Photobucket and particularly enjoy headaches, by all means go for an earlier version. Why else would one want to waste hours killing bugs Photobucket Chances are, when you are on this blog you are far from being 1337 Photobucket  So stick with the latest version,  it’s the safest plus there is more active support to find online.

Then there is the bit thing to deal with, CentOS comes in a 32-bit version and 64-bit version. You can read about the differences between those versions here.

Since I’ve have it in my head had to take some Red Hat exams, I am installing the 64-bit version. According to Michael Jang you do need a 64-bit system to prepare for the exams. So 64-bit it is Photobucket


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Tackling a releasedate rumour

Appearantly, when Red Hate released a version of RHEL which presumably contained a lot of critical updates CentOS took it’s sweet time to release their version of this release Photobucket It actually took them so long that Scientific Linux beat them Photobucket And now it seems to be a general understanding (I believed it too Photobucket) that Scientific Linux has a quicker release cycle.

At first I thougt it was because Scientific Linux had a relaxed attitude as far as 100% binary compatibility goes, whatever that may mean. But then I read the following lovely story regarding the CentOS team:

You obviously weren’t using it when the major release was delayed by weeks as some guy went on vacation without telling anyone (and was actually presumed dead by some!) and the other guy went on honeymoon.

This is just brilliant Photobucket

In defense of the team behind CentOS; they are all volunteers with dayjobs and such. And I have you know that CentOS isn’t always slower in their releases! Look at this:

RHEL 6.1 : 2011-05-19
CentOS 6.1 : 2011-12-20 Photobucket
SL 6.1 : 2011-07-28

RHEL 6.2 : 2011-12-06
CentOS 6.2 : 2011-12-20
SL 6.2 : 2012-02-16

RHEL 6.3 : 2012-06-21
CentOS 6.3 : 2012-07-09
SL 6.2: 2012-xx-xx


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Regarding (possible?) differences between CentOS and Scientific Linux

 

Wether there is much difference between CentOS and Scientific Linux software wisely, I honestly can’t say. What I do know is that when I googled what the best (free) way to learn RHEL was; I found CentOS to be the most mentioned RHEL clone for this purpose. It was often said that CentOS is a 99% clone of RHEL. Scientific Linux seemed to be the second choice of many.

On the Scientific Linux forums the difference between CentOS and Scientific Linux was described as following:

CentOS is a good project with similar ideas/goals (except that Scientific Linux is a little more relaxed as far as 100% binary compatibility goes compaired to CentOS).

I have no clue what 100% binary compatibility means, other then Scientific Linux is maybe not even trying to be a 99% RHEL clone Photobucket

Yup, this will also be the blog where you can admit that you don’t know Jack sh*t about Linux, but you are going to try it anyway Photobucket

“Brace yourselves, we’re going in a little hot!”


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Forums, a great way of learning CentOS

The forums I use are:
1 . CentOS
2.  Scientific Linux

They are both mobile friendly without having to use an app, which strangely enough can’t be said of the Fedora forums Photobucket

The reason why I am not using the Fedora forums anymore is because I want to learn RHEL 6. Only versions Fedora 12 and 13 are based on RHEL 6 as you can read here. At the moment of writing Fedora 17 is the latest release, so I don’t expect too much support for versions 12 and 13 to be honest. Since I am not the most gifted Linux user around Photobucket I need all the support I can get.

As you can see there are some clear differences in forum style between CentOs and Scientific Linux. The first often makes me think:

I am not saying that it’s a bad thing though Photobucket


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So what on earth does RHEL stand for?

 

While browsing blogs and forums about CentOS I came across the acronym RHEL quite a few times. By then I already knew CentOS is an 99% clone of Red Hat, but still the acronym RHEL intrigued me….

It wasn’t untill today while browsing this page I all of sudden got it!!! RHEL stands for Red Hat Enterprise Linux. Yup, it took 3 me days to figure that one out Photobucket I would like to point out that when I broke my wrist and dislocated my elbow, I also had a minor concussion. What I am trying to say here is, that I am normally not that slow, really Photobucket

I’ve also noticed that RHEL almost always is accompanied by a number. So how does this number relate to CentOS? Quite simply; CentOS 6 is a clone of RHEL 6, CentOS 5 is a clone of RHEL 5 etc etc.

Why am I diving into CentOS and not RHEL? CentOS is free and RHEL costs a crap load of money.

As you can see this will be the blog about all those Linux questions you NEVER dared to ask (for a good reason) Photobucket