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Offlineimachavel
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anyone know anything about data core?
    #14435122 - 05/11/11 02:13 PM (12 years, 9 months ago)

apparently it's the leading vmware used in the world today. anyone know why?


my dad has this friend who owns this small it consulting company. anyway, i went in for an interview with this guy, god knows why, for some job that sends techs out to do consulting for companies for like $200 an hour they charge the client. Anyway I don't know anything about this shit or whatever. But the guy says if I ever get the experience to work with citrux esx or whatever crazy routers and active directory servers and trees domain controllers etc. crazy shit, to come back and talk to him.

so anyway, if i pursue this, maybe in 10 years i'll be there.

closest I could do, is I worked for this guy at his computer store fixing computers for like a month and a half, then he fired me for someone who could do all that PLUS graphic design. :lol:

anyway back to the main topic. anyone know about this data core software? is it cloud? probably not huh since companies install it for people. not that people don't do that with cloud software, but i don't see it being specialized.


anyway, also, what is the cyder? it's like you have a number like this 192.168.0.1/24, and i guess the cyder tells you that it's class c? wouldn't you know it's class c because it's in the 192. range?

and i thought you had to work backwards to understand that stuff, like you take a number like 192 and use some binary crap like

0......0..0..0..0..0.0.0

256 128 64 32 16 8 4 2

or something i forget what i'm talking about subnetting or something, how would you know the cyder default gateway just by memorization?


sorry, it's just so frusterating. maybe i should go to college, but then whatever i don't know if i want to pursue that in class. i hear you still need experience to understand it, that in no class you take can you really learn how to do this stuff on the job that you can only learn that by experience.


any advice?


--------------------
:kingcrankey: I did not say to edit my signature soulidarity! Now forever I will never remember what I said about understanding the secrets of the universe by paying attention to subtleties!

:facepalm: I'm never giving you the password again. Jerk

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OfflineDimi
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Re: anyone know anything about data core? [Re: imachavel]
    #14436228 - 05/11/11 06:16 PM (12 years, 9 months ago)

"anyway, also, what is the cyder? it's like you have a number like this 192.168.0.1/24, and i guess the cyder tells you that it's class c? wouldn't you know it's class c because it's in the 192. range?

"192.168.0.1/24" is an IP address with a port number after the "/" . 192.168.*.* is a special reserved IP address for local networks, and the /24 is port 24.

A port is like a door to make a connection to a service running on a system, port 24 is typically for Private E-Mail Systems.

So, that IP you posted is on a local network (not the Internet) accessing the mail system.

Datacore? I looked it up, seems to be for massive storage purposes.

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Offlineimachavel
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Re: anyone know anything about data core? [Re: Dimi]
    #14436605 - 05/11/11 07:45 PM (12 years, 9 months ago)

actually port 24 is tcp


the /24 is the cyder, it's like the network address, but it's not the network address, it's how you identify how many hosts work on a subnet or something, it's supposed to identify the subnet mask, the dns address, etc.

yes 192.168 is a reserved private address, although most modems use it and allow you to surf the internet, while still using a public i.p. address assigned to you. so many ipv4 addresses have been used, that now they are switching over to ipv6


anyway saying you can have 24 hosts is ridiculous. you only have to subnet yourself if you are making a custom 'classless' subnet network. so therefore why identify a subnet mask?

well you still need to use one, otherwise you can't assign dns and i.p. addresses. but who in the world uses a classless address?

apparently it takes up 'less space' to not need to use 254 i.p. addresses when you only have 10 computers. so you would subnet that out, and use a cyder, and it would tell you how many hosts you could use or whatever. but no one in the world is going to do this, there is no big deal with having 150 extra i.p. addresses you don't use. when did people come up with this? in the days of ms dos? i mean sure back when each extra i.p. address 'reserved' took up 1 mb of space on a server, and the system could only HANDLE like 256 mbs of total memory or some crap like that :lol: then sure, use a classlesss custom subnet, and shave off extra i.p. addresses


but other then that, manually writing out a subnet formula, understanding anding etc. is really pointless. the computer does it in a nanosecond, so why you need to write it out i don't understand

same with the osi layer. which layer is a packet sent out, recieved etc. layer 1 layer 7? does any of this actually help you trouble shoot in any way?


here is a little more info about data core:
http://en.wikipedia.org/wiki/DataCore_Software

i know they have vmware software out now, and yes it's used to mass data storage. maybe that's what it does, it is compatible with mass data storage? i thought most vm's could handle that, but maybe not. if boeing uses data core vmware, and they probably have a set of servers comparable to a data farm, then yeah it's probably vmware that can handle many things at one time.


--------------------
:kingcrankey: I did not say to edit my signature soulidarity! Now forever I will never remember what I said about understanding the secrets of the universe by paying attention to subtleties!

:facepalm: I'm never giving you the password again. Jerk

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Offlinebeatyou
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Re: anyone know anything about data core? *DELETED* [Re: imachavel]
    #14436699 - 05/11/11 08:04 PM (12 years, 9 months ago)

Post deleted by beatyou

Reason for deletion: fd

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Offlineimachavel
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Re: anyone know anything about data core? [Re: beatyou]
    #14436819 - 05/11/11 08:30 PM (12 years, 9 months ago)

yeah very true. only on the job experience will get you what you need, and you definitely have to work your way up.

it seems these days though, it's hard to get a job that gives you 'on the job experience' without the certifications, which are hard to understand without the 'on the job' experience. but this is not only true, i went in for this interview, and the guy had told me if I had had an mcitp ccna and voip certification he would have assumed I knew what I was doing and been less inquisitive in the interview. possibly hiring me and then firing me when i couldn't complete one task the first day.

you have to be careful with thos certifications some times, they aren't always looked at for just 'entry level' positions. I'll take a look at your subnetting page. forests trees and domains are really hard to understand without on the job experience. and ou's even more so, an ou in a directory is like the back end of something. sure, to the employees that doesn't matter because they don't need a pretty front end, they are simply accessing the back end. but most of those ou's and such are connected to different departements sometimes represented by a different web site for each one, although not always, actually this isn't always the case.

when you wrap all this up with front end web design and even more back end things to fit into the server like sql code to help end users who access the front end web site access the server, it becomes even more complicated. put that together with router commands and what not writing program code, and well hey i guess you have every computer class ever designed.

it's difficult to fit into consulting companies, because they usually do only really low end small business stuff, or really high end, like you said really big end business end stuff with thousands of i.p. addresses allocated and such. it's way better i guess to get a small time position with a company, that does simple help desk stuff, and the major server shit, and work your way up.

it's hard sometimes to find such jobs, and anyway let's not forget the economy is in really bad shape still, it's not like it's just 'oh well back to normal'


--------------------
:kingcrankey: I did not say to edit my signature soulidarity! Now forever I will never remember what I said about understanding the secrets of the universe by paying attention to subtleties!

:facepalm: I'm never giving you the password again. Jerk

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Offlineimachavel
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Re: anyone know anything about data core? [Re: Dimi]
    #14436970 - 05/11/11 08:57 PM (12 years, 9 months ago)

Quote:

Dimi said:
"anyway, also, what is the cyder? it's like you have a number like this 192.168.0.1/24, and i guess the cyder tells you that it's class c? wouldn't you know it's class c because it's in the 192. range?

"192.168.0.1/24" is an IP address with a port number after the "/" . 192.168.*.* is a special reserved IP address for local networks, and the /24 is port 24.

A port is like a door to make a connection to a service running on a system, port 24 is typically for Private E-Mail Systems.

So, that IP you posted is on a local network (not the Internet) accessing the mail system.

Datacore? I looked it up, seems to be for massive storage purposes.





btw i think you have port 24 confused with port 25, smtp, which stands for simple mail transfer protocol. close :lol: except it has nothing to do with cidr


--------------------
:kingcrankey: I did not say to edit my signature soulidarity! Now forever I will never remember what I said about understanding the secrets of the universe by paying attention to subtleties!

:facepalm: I'm never giving you the password again. Jerk

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Invisiblefrith
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Re: anyone know anything about data core? [Re: imachavel]
    #14438096 - 05/12/11 12:21 AM (12 years, 9 months ago)

/24 is not a port. that is the subnet written in shorthand.


standard class c subnet address is 255.255.255.0
in binary, 255.255.255.0 is 11111111.11111111.11111111.00000000
8 bits (1s) in each of the first 3 octets.
3 octets.
8x3=24

that is where you get /24.



a standard class a address can be written like this:
10.0.0.1/8
or
10.0.0.1 with a 255.0.0.0 subnet


class b:
172.168.0.1/16
or
172.168.0.1 with a 255.255.0.0 subnet





as for your original question.. i have no idea wtf you are talking about.


--------------------

Edited by frith (05/12/11 12:22 AM)

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Offlineimachavel
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Re: anyone know anything about data core? [Re: frith]
    #14438400 - 05/12/11 02:19 AM (12 years, 9 months ago)

you have no idea what data core is? ok well, nevermind we'll come back to that later.

yes it's more than just 11111111. the 1s represent numbers. it's really:

128 + 64 + 32 + 16 + 8 + 4 + 2 + 1

each represented by 1. if it was 254 instead of 255, it's be 11111110.

but yes, you are right aside from that. oh well, us being geeks all day won't make us $25 an hour just talking about it, implementing it is a different story.


--------------------
:kingcrankey: I did not say to edit my signature soulidarity! Now forever I will never remember what I said about understanding the secrets of the universe by paying attention to subtleties!

:facepalm: I'm never giving you the password again. Jerk

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OfflineDimi
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Registered: 05/09/11
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Re: anyone know anything about data core? [Re: imachavel]
    #14438459 - 05/12/11 02:42 AM (12 years, 9 months ago)

lol, must have had that confused :smile: thx!

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OfflineSeussA
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Re: anyone know anything about data core? [Re: frith]
    #14438636 - 05/12/11 04:32 AM (12 years, 9 months ago)

> /24 is not a port. that is the subnet written in shorthand.

Correct.  :smile:

> yes it's more than just 11111111. the 1s represent numbers. it's really:  128 + 64 + 32 + 16 + 8 + 4 + 2 + 1

Although your example is correct, your understanding of what is happening is not correct.  Number systems come with a "base".  We normally count in base ten.  Computers count in base two.  The number 256 in base ten (decimal) is 11111111 in base two (binary) and is FF in base sixteen (hexadecimal).  All three examples have the exact same value, they are just written in different bases.  The example you provide shows how to convert a base two number to base 10.

See http://betterexplained.com/articles/numbers-and-bases/ for a pretty good explanation.


--------------------
Just another spore in the wind.

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Offlineimachavel
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Re: anyone know anything about data core? [Re: Seuss]
    #14439827 - 05/12/11 11:53 AM (12 years, 9 months ago)

how to convert a base 2 number to base 10?

so does the router read it in base 2 and then convert it into base 10 on the pc host? or is that a different concept all together?

my question:
why does the computer need to convert it from base 2 to base 10. what you see:
192.168.0.0 is only a number you read from the user point of view, correct? an identification. the computer reads it completely differently doesn't it?

and don't get confused, i'm not tryinig to get mixed up in how a computer name is translated from a mac address, which is translated into an i.p. address, to better 'identify' the host on the network. I know there are different assigned 'identities' to find each computer, but to work on the subnet, in the network environemtn, to communicate with the server and recieve dns transmission, it needs to be read as an i.p. address.

BUT, what does the computer see that 192.168.0.0 as? or the 255.255.255.0? or the 192.168.0.254? does it see it as 11111111.11111111.11111111.00000000? or something else?

thanks


--------------------
:kingcrankey: I did not say to edit my signature soulidarity! Now forever I will never remember what I said about understanding the secrets of the universe by paying attention to subtleties!

:facepalm: I'm never giving you the password again. Jerk

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Invisiblekoraks
Registered: 06/02/03
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Re: anyone know anything about data core? [Re: imachavel]
    #14440105 - 05/12/11 01:05 PM (12 years, 9 months ago)

/double post

Edited by koraks (05/12/11 01:08 PM)

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Invisiblekoraks
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Re: anyone know anything about data core? [Re: imachavel]
    #14440119 - 05/12/11 01:07 PM (12 years, 9 months ago)

Quote:

imachavel said:
how to convert a base 2 number to base 10?

so does the router read it in base 2 and then convert it into base 10 on the pc host? or is that a different concept all together?

my question:
why does the computer need to convert it from base 2 to base 10. what you see:
192.168.0.0 is only a number you read from the user point of view, correct? an identification. the computer reads it completely differently doesn't it?



I could take a shot at explaining it and fail miserably at conveying the essence, so I'm instead going to refer you to this page: http://en.wikipedia.org/wiki/Computer_numbering_formats
That covers the computer maths pretty nicely.

Quote:

BUT, what does the computer see that 192.168.0.0 as? or the 255.255.255.0? or the 192.168.0.254? does it see it as 11111111.11111111.11111111.00000000? or something else?




Depends on how deep you go. From the user's perspective, any number format or system can be chosen. Typically decimal, but hex is/was used frequently as well. MAC addresses are still typically provided in HEX for some reason. But the computer itself 'sees' or 'thinks' in binary, yes. It's little transistors (FETs) that are either on or off, representing 0 or 1. This is starting to change however, as these days there is such a thing as mlc memory: multi level cell memory, that can store e.g. 4 values (0, 1, 2 or 3) in one position. But for all practical purposes, you can still assume that computer is binary on a hardware level.

But keep in mind that a computer doesn't 'see' anything. Humans 'see' things. A computer is simply a bunch of active and passive electronic components that store charge or transport currents. If you want to know how that works, you could try reading something on TTL or logic design. But I think that is probably beyond what you're really trying to understand. Which brings me to the question: where do you want to go with this? What is it that you're trying to achieve?

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Invisiblefrith
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Re: anyone know anything about data core? [Re: koraks]
    #14440764 - 05/12/11 03:57 PM (12 years, 9 months ago)

Quote:

koraks said:
Which brings me to the question: where do you want to go with this? What is it that you're trying to achieve?



i have no idea whats going on in this thread.

not sure what this has to do with virtualization software..


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Offlineimachavel
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Re: anyone know anything about data core? [Re: koraks]
    #14442143 - 05/12/11 08:39 PM (12 years, 9 months ago)

it's very interesting. maybe i'll go nowhere with it, i'm not electronic engineer. but it's all very fascinating.

i think one thing that is interesting, is that i didn't realize drivers don't just fit into needed places for complicated computers. a flashing light needs a chip driver for the chip that makes it flash. i guess any electronic that does another function besides just an on or off function. for example a flashing light isn't on or off it's continously going on and off, needs a chip to do that and needs a driver.






ok for a reply for the last person who asked a question. at this point it doesn't have much to do with the virtualization software anymore. it is important if you are going to use vmware to create a server environment, espeically if it uses more than one domain, tree, forest, subnet, whatever, to in some way understand what those numbers mean and represent. but anyway, not it's off topic from the vmware at this point. oh well...


--------------------
:kingcrankey: I did not say to edit my signature soulidarity! Now forever I will never remember what I said about understanding the secrets of the universe by paying attention to subtleties!

:facepalm: I'm never giving you the password again. Jerk

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Invisiblefrith
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Re: anyone know anything about data core? [Re: imachavel]
    #14442221 - 05/12/11 08:55 PM (12 years, 9 months ago)

Has anyone really been far even as decided to use even go want to do look more like?


--------------------

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Invisiblekoraks
Registered: 06/02/03
Posts: 26,691
Re: anyone know anything about data core? [Re: imachavel]
    #14443565 - 05/13/11 02:30 AM (12 years, 9 months ago)

Quote:

imachavel said:
it's very interesting. maybe i'll go nowhere with it, i'm not electronic engineer. but it's all very fascinating.



It is :thumbup:

Quote:

i think one thing that is interesting, is that i didn't realize drivers don't just fit into needed places for complicated computers.



I must say I don't quite understand this sentence. One thing comes to mind though: complex electronics (basically anything involving software, but sometimes even 'discrete' electronics) are usually modeled in terms of layers of abstraction, or levels. A good example is the OSI model, but in essence, any architectural design depends on stratification. Device drivers can be regarded as one of those 'layers'. Depending on what you want to know about, or do with, a system, you choose the appropriate layer(s) to analyse and base you conclusion on that. That's why for e.g. a network designer, it's usually not necessary to go all the way down to the physical level of the actual electronic implementation of the hardware used, because a network designer will usually approach the subject from a functional perspective. This would be different for an electrical engineer developing network hardware. They work with the same stuff, but focus on different levels of abstraction. Reason for this is that for a single person, it's pretty much impossible to oversee all levels in detail.

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InvisibleCosmicJokeM
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Re: anyone know anything about data core? [Re: frith]
    #14444150 - 05/13/11 07:53 AM (12 years, 9 months ago)

Quote:

Has anyone really been far even as decided to use even go want to do look more like?





c did u i thar what :wink:


--------------------
Everything is better than it was the last time.  I'm good.

If we could look into each others hearts, and understand the unique challenges each of us faces, I think we would treat each other much more gently, with more love, patience, tolerance, and care.

It takes a lot of courage to go out there and radiate your essence.

I know you scared, you should ask us if we scared too.  If you was there, and we just knew you cared too.

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Invisiblefrith
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Re: anyone know anything about data core? [Re: CosmicJoke]
    #14444427 - 05/13/11 09:16 AM (12 years, 9 months ago)

Quote:

CosmicJoke said:
Quote:

Has anyone really been far even as decided to use even go want to do look more like?





c did u i thar what :wink:



:awesome:


--------------------

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Offlineimachavel
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Re: anyone know anything about data core? [Re: koraks]
    #14445299 - 05/13/11 12:33 PM (12 years, 9 months ago)

i guess the osi model makes sense, but to me it' very confusing :lol:, so then i guess it doesn't make sense? :rofl:

anyway, abstraction layer is a good way to describe that. what I was trying to say, is that I always thought drivers were used in just desk top computers or iphones or whatnot, i didn't know they were used in an alarm clock to make the flashing second colon light up in such a way.

but anyway, it seems people are making my thread? :shrug:





what who were need how buy try to discovery ways to intitiate the knowing finding interest?

makes no sense :confused:


--------------------
:kingcrankey: I did not say to edit my signature soulidarity! Now forever I will never remember what I said about understanding the secrets of the universe by paying attention to subtleties!

:facepalm: I'm never giving you the password again. Jerk

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