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Old 06-12-2014, 01:09 PM   #1
sjttam280892
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Advice on RHCE with RHEL6 vs. RHEL7


i am new to the linux world and aspiring to go for rhce. i hv joined a training institute for the purpose. today i came to know that in the first week of august 2014 rhce will be having rhel7 in the exam. my training is having rhel6. so i request you to tell me whether the study for rhce in rhel6 will go wasted when rhel7 comes? do i hv to study again from the beginning for rhel7? i am completely new to the linux world. i need ur suggestion on this as soon as possible

Last edited by sjttam280892; 06-12-2014 at 01:11 PM.
 
Old 06-12-2014, 01:23 PM   #2
dushyantgohil
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Advice on RHCE with RHEL6 vs. RHEL7

no ypu dont need to start from the scratch for rhel7, but u need to learn the new things which will come with rhel7 thats it.

learnimg the things will never wasted so keep continue with rhel6 n as update of 7 will come learn that
 
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Old 06-12-2014, 01:32 PM   #3
TB0ne
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Quote:
Originally Posted by sjttam280892 View Post
i am new to the linux world and aspiring to go for rhce. i hv joined a training institute for the purpose. today i came to know that in the first week of august 2014 rhce will be having rhel7 in the exam. my training is having rhel6. so i request you to tell me whether the study for rhce in rhel6 will go wasted when rhel7 comes? do i hv to study again from the beginning for rhel7? i am completely new to the linux world. i need ur suggestion on this as soon as possible
...and....
Quote:
Originally Posted by dushyantgohil
no ypu dont need to start from the scratch for rhel7, but u need to learn the new things which will come with rhel7 thats it. learnimg the things will never wasted so keep continue with rhel6 n as update of 7 will come learn that
One good suggestion is to spell out your words, and quit using text-speak. The LQ Rules mention it, and no one in the workplace appreciates having to try to decipher someones emails written like this.

The best suggestion is to NOT get an RHCE, until you actually LEARN LINUX...studying for a 'certification' is meaningless. All that you will wind up with is a 'certification', with no real knowledge behind it. Unless you know how to troubleshoot things, where to look for problems, etc., just performing steps on an exam is pointless. I have seen many...MANY people with 'certifications' who have no idea how to do the job they're interviewing for. Don't be another one of those people, please. Load Linux...learn it, and get familiar with it. Get DEPTH of knowledge first, and get a certification later.
 
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Old 06-12-2014, 04:58 PM   #4
jpollard
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Quote:
Originally Posted by sjttam280892 View Post
i am new to the linux world and aspiring to go for rhce. i hv joined a training institute for the purpose. today i came to know that in the first week of august 2014 rhce will be having rhel7 in the exam. my training is having rhel6. so i request you to tell me whether the study for rhce in rhel6 will go wasted when rhel7 comes? do i hv to study again from the beginning for rhel7? i am completely new to the linux world. i need ur suggestion on this as soon as possible
First learn the Linux distribution of choice - as a user, not an administrator.

After getting comfortable with with Linux, then learn administration.

The problem with with RHEL6 and RHEL7 is that most of the administrative tasks are completely different, but not all. Administration of users stays the same. Disk configurations and usage are only a little bit different (bugs fixed and some enhancements, but note: many of these will be/have been backported to RHEL6).

RHEL6 boot and shutdown use a fair number of shell scripts - quite familiar to normal linux users. RHEL7, however, completely replaced that. Configuration changes are done differently, the firewall is done differently, service startup/shutdown is completely different, logging features are totally different. (In my opinion, not as reliable, or fixable; and you have to depend on RH if anything goes wrong).

You CAN get a preview of RHEL7 by using Fedora 19/20. These are aimed at desktop/workstation operation, but they also include the server software that RHEL7 will use (though in some cases they may be a bit buggy).

Last edited by jpollard; 06-12-2014 at 05:00 PM.
 
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Old 08-29-2014, 03:15 PM   #5
apux64
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Hi sjttam280892,

if you want to build a testlab for the RHCSA and RHCE exams, use CentOS 7. CentOS is built from Redhat EL source code and it is the best free option at the time.
It is essentially identical to RHEL. Another option would be Scientific-Linux from Cern laboratories, but it is currently only available in version 6.

One tip ahead, have a deep look onto the boot process, especially onto the replacement for the “single user mode” (init 1) in RHEL 7!

BR
 
Old 09-11-2014, 11:16 PM   #6
sundialsvcs
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If you seriously think that the difference between "version 'n'" and "version 'n+1'" ... of anything at all ... is significant to any party whatsoever other than The Marketing Department™ then ...

... oh, dear.

My best advice to you, right now, is: "Go get drunk." No, I actually mean it(!). Go get "sh*t-faced drunk." Maybe then (or perhaps, the proverbial "morning after ...") you will at last begin to see clearly.

Somewhere along your career-path, you seem to have swallowed two thousand gallons or so of "Certification Whisky," which says, first of all, that: "(spending thousands of dollars for ...) a Vendor Certification ... is A Golden Willy-Wonka Ticket To The Good Life." Yes, you want that "Golden Ticket" so badly [i](because you just can't imagine succeeding "the Old-Fashioned Way™"), that you will swallow ... hook, line, and sinker ... any premise that promises to lead to such a thing.

You want it so badly that you do not question it. You don't seem to be the slightest bit "skeptical" about it. They tossed you a hook and you swallowed the whole fishing pole ... and said that it was "tasty."

And this general state of inebriation has then prompted you into a state of Sheer Panic™ with regard to the Release Number.

Therefore, like I said: "go get sh*t-faced drunk." Maybe alcohol will be just the ticket to help you see beyond the Corporate Marketing Cloud . . .

. . . or, as the case may be, it just might help you to sober up.

Last edited by sundialsvcs; 09-11-2014 at 11:21 PM.
 
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Old 09-12-2014, 12:01 AM   #7
John VV
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sundialsvcs

that is one of the best replies to getting a piece of useless paper

in "yoda" ( as in the jedi yoda) terms

a cert is "TRY"
learning to USE the OS is "DO"

You WILL lift the fighter out of the swamp
there is NO try only DO
 
Old 09-12-2014, 12:04 AM   #8
apux64
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Yes in this case i do it......

I guess that you were drunk as you have sent the post! Or do you want to say that a change from SysVinit to Systemd is only a marketing gag and it is not relevant for the certification exame?

Even when YOU do not need any certification, more and more companies in Europe requesting it, especialy when you not 35 anymore!
 
Old 09-15-2014, 05:27 AM   #9
Germany_chris
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Looking around my little area of Europe I've not seen anything posted that required a Red Hat cert. That is not to say that it's not being requested it's just that they don't spell it out in the requirements. I do however agree that the change to systemd did change the complexion of Red Hat/CENTOS however if your a skilled admin which is what the gentlemen above you are referring to the change isn't career threatening because you've watched it tested it and used it. Systemd isn't exactly new and should therefore not be a surprise.
 
Old 10-06-2014, 12:57 PM   #10
sundialsvcs
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Having recently been re-reminded of this comment, let me take a moment to briefly explain myself with regards to my previous post. Yes, I intentionally used humor. But my point was both sober and serious.

First: I'm extremely sensitive to the importance of "professional continuing-education," partly because I spent many years writing and teaching community-college courses (full-semester ...) at the second-largest such college system in the US. Most of my students were adults who held bachelor's or advanced degrees. I have also from time to time been asked to contribute to certification programs ... although, full-disclosure, not for Linux.

Thus: I have no quibble with the value of professional self-education in whatever form ... but I do have an issue with "Willy-Wonka Marketing" aimed at those who don't know any better. The unashamed pitch is that this multi-thousand dollar(!) piece of paper is going to magically transform you from a know-nothing to a know-it-all that the world will beat down its doorway to hire. (And I know quite a few PhD's who are still paying off their student loans twenty years later who say much the same things.) "I'm Doctor™ So-What ..." (It is, unfortunately, a valid point ...)

Second: Yes, I had the privilege of being involved in computer software as all of these things were coming to pass. Yes, I read about "Winchester" hard drives, very excitedly, and I still have a 5MB hard-drive that's about the size of a breadbox ... it was so big. (And, it was!) It was revolutionary. (And, it was!) At the time. So, if you will pardon me for saying, I do look at "issues" like "systemd vs. sysV-init" in context, simply because I can. It is, in fact, nothing. (At least, nothing unusual.) Experience has its privileges.

"Those days" might seem "old-fashioned therefore strange" to you ... but I simply calmly say to you, "just wait, and don't plan to wait long." I remember when Novell was selling certificates on how to run local-area networks that were based on coax ... not the "twisted pair" cables that are quite likely to be all that you have ever seen. Their (now worthless ...) certificates were sold, as is the case now, as "the ticket to the good life." The technology changed ... here's a link describing the technology in case you haven't heard of it (and I know you haven't ...) ... and those thousand dollars turned into an advertisement for how being a shoe-salesman landing "$3,000 a year" was really a Small Fortune.

Yeah, the "compulsively hyper-connected Brave New World™" is (of course ...) nothing like what I would have anticipated "at the time," but it does give me one wee small bit of ("BC" Comics ...) TRVTH ... "that: you are not anticipating it, either." (In fact, "par for the course," you do not yet... heh... perceive that you have anything in particular to anticipate.)

Somewhere out there, there's a "RHCE Salesman." (Just like the guy in that hyperlink who sold shoes door-to-door in a world that could not imagine throw-away junk.) He's got a "by-definition perishable" product to sell. ("Who the hell's gonna buy RHEL6 stuff when RHEL7 comes out?") Clever salesman that he is, he's got the answer: "just sell it to 'em twice!"

Now, some people might accuse me of clinging too-fondly to the notion that "In the end, Old Age and Treachery out-distance Youth And Vigor every Time!" but, as I said, my purposes are quite serious. If you're going to be part of the computer-business, you have to understand first of all that: "nothing lasts five years, even on a good day." But also: "people still need the same things from their computers, despite the change, and: they need you more than ever(!) because of the change."

"Bricks," like "Mortar" and "Steel Beams," have not re-invented themselves in hundreds of years. Computer technology "reinvents itself every few ... and keeps doing so." This requires a c-o-m-p-l-e-t-e-l-y d-i-f-f-e-r-e-n-t strategy than what you are conditioned to be "used to." None(!) of this stuff will "be like this" even two years from now. And if you doubt me, "it's happening (again) right-now under-your-nose." LQQK right-now at "Android / iPhone / Kindle-Fire" and, prithee, tell me exactly how they are "materially different" one from the other. They are not. They're just three competing product-lines, all birthed from the very same parent, and all of them have a market life-span, in their present form, of no more than 5 years. They are all offspring of "the original subject-matter of linuxquestions.org," even though at first glance they may seem to have nothing to do with it.

"All of you 'stand on the shoulders of' a PDP-7 ... even though, today, almost none of you know it. "Too bad."

Now meanwhile: "you have a client to serve," and (s)he needs you more than ever. She finds herself in the middle of a turbulent stream that she must cross, but the rocks are bobbling under her feet even as "the whole damned river changes course!" The big picture, not "the tiny one, whatever-it-is today," is the one that you (and she ...) needs now.

If you can't drag your point-of-view out of "the details," in order to properly take-in "the big picture," then I'm afraid that you are doomed to work for those who did. Just sayin' ...

Last edited by sundialsvcs; 10-06-2014 at 01:06 PM.
 
  


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