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Old 07-02-2009, 05:35 PM   #16
rjo98
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thanks for the feedback, greatly appreciated
 
Old 07-02-2009, 05:46 PM   #17
onebuck
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Hi,

Quote:
Originally Posted by rjo98 View Post
thanks for the feedback, greatly appreciated
Your welcome!

Take a look at 'Free Linux Books' in the 'Linux Books & Online Magazines' section of the 'Slackware-Links'. More than just SlackwareŽ links!
 
Old 07-02-2009, 09:07 PM   #18
murankar
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IF it has not been suggested also get an iso of fedora core 9-11(you pick one, I suggest 10), make sure it is a live version then in your free time at home or during down time fire it up and start playing with it. If it brakes no be deal just reboot. FC is based on Redhat and is used as there sudo testbed. Like windows I also would like to say is BREAK IT, so you can fix it. Two last things CLI CLI CLI, and learn the file directory. What goes where and WHY.

one command for ya (a free be)

find / -name "name of what you want to find "*" can e used for wild card"
 
Old 07-02-2009, 09:09 PM   #19
murankar
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ps

do not follow my "best advice ever". Unless you want to get fired. Quickly!
 
Old 07-02-2009, 09:10 PM   #20
johnsfine
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Quote:
Originally Posted by rjo98 View Post
Right now I can log into the servers, and that's about it.
How do you log in?
Directly on the keyboard and screen of the physical system?

I assume your regular workstation is a Windows PC on the same LAN or VPN, so the best way for you to log into Linux is with some program running on your Windows PC.

You should install Cygwin on your Windows PC and within the Cygwin setup make sure you get both putty and xwin.

xwin is a good program for doing Linux GUI operations using Windows as a terminal.
putty is a good program for doing Linux text only operations using Windows as a terminal.

There are many alternatives to each. But the Cygwin versions of those two are good enough they are worth trying at minimum as a standard of comparison for any other you try.

Quote:
Originally Posted by rjo98 View Post
I read something somewhere that the Fedora is all GUI so that wouldn't me with RHEL since that's all command line?
All the command line stuff is available in Fedora, but more importantly (given your Windows experience) all the GUI stuff is available in RHEL.

It may have been inconvenient enough to get the display drivers working right in those servers that the previous admin never bothered. So you might be stuck with command line only on the physical console of the server. But people normally don't touch the physical consoles of Linux servers.

I expect some Linux display manager (GDM or KDM) and some Linux desktop (Gnome, KDE, etc.) is already installed on each of those servers, so you can use the server in GUI mode as soon as you connect to it with some program such as Cygwin xwin.

If KDE isn't already installed, you should install it. The "yum" command line program in RHEL is pretty easy to use to install common things like KDE.

As a Windows user, you will probably prefer KDE to Gnome. If both are installed, you get to choose one each time you log in and you can set a default so you can usually skip that choice.

Once you are in KDE (or in Gnome but also have KDE installed) you can run a program called konqueror. That is a combination of file browser, web browser, help browser and a few other things. I don't use it as a web browser. But as an experienced Windows user, I've come to expect a good GUI file browser. I think Konqueror is the best choice.

Also as a new Linux admin, you will be reading a lot of "man" and maybe "info" and other forms of badly structured Linux online help. The default browsers for reading those (such as "less" for "man" pages) are pretty lame as help browsers. Konqueror is a much more convenient program for reading online help and searching within the help, etc.

I think Konqueror is installed automatically when you install KDE. Depending on choices made by the previous admin, probably they are already installed.

If you want to setup a test system to give you more flexibility to try things and make mistakes without harming live servers, I suggest you get Centos rather than Fedora.
With Centos it will be easier to match the setup of the existing RHEL systems.
If your Red Hat upgrade contracts have expired, Centos is also the best choice to replace RHEL. Play with the latest version of Centos to see if it is enough better than the version of RHEL you are using (assuming that isn't the latest RHEL).

Last edited by johnsfine; 07-02-2009 at 09:29 PM.
 
Old 07-03-2009, 12:15 AM   #21
custangro
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Not sure if this has been mentioned....but THIS is THE book

http://www.amazon.com/Linux-Administ...6594450&sr=1-2

It mentions FC2 (yeah a bit old) but all the information is still relevant....so you can just download Centos 5 and use this book...

-C
 
Old 07-03-2009, 12:23 AM   #22
murankar
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Since we are mentioning books here

this book is used for the linux+ exam and can be used for the first level of the RHEL exam
Linux+ Guide to Linux Certification Second Edition
ISBN 0-619-21621-2

This book is CompTIA approved
 
Old 07-03-2009, 01:53 AM   #23
chrism01
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Yeah, do take advantage of the point that Centos is the same code as RHEL, but its free. Could be useful to have at home without needing a paid agreement with RH.
Just make sure you get the same version as you have at work. Ideally work should be on the latest; 5.3
Here's yet another RHEL/Centos manual online: http://www.linuxtopia.org/online_boo...ion/index.html
good luck and welcome to LQ
 
Old 07-06-2009, 08:57 AM   #24
rjo98
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Thanks everybody

Thanks to everyone who posted. Yes, right now i'm stuck with the command line sitting at the terminal way to log in to the server. The guy before me didn't want the extra overhead or some BS of having the GUI running, on servers which are underutilized now. I greatly appreciate all the recommendations for books, websites, etc.

One thing that I'm confused about though, is that I thought Fedora was based on RHEL, but now it looks like CentOS is too? Now I don't know which one to try haha.
 
Old 07-06-2009, 09:13 AM   #25
johnsfine
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Quote:
Originally Posted by rjo98 View Post
I thought Fedora was based on RHEL, but now it looks like CentOS is too? Now I don't know which one to try
Fedora is based on Red Hat. I never tried it, so I can't give you details.

Centos is very directly based on RHEL. I think only a few names and logos are changed. All the operational software is identical. A specific version of Centos will be a direct operational match for the same numbered version of RHEL.

I don't think Fedora has a full packaged version match to RHEL. Individual programs may be available matching by version, but I don't think the whole distribution is available as an exact match.
 
Old 07-06-2009, 09:23 AM   #26
onebuck
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Hi,
Quote:
Originally Posted by rjo98 View Post
Thanks to everyone who posted. Yes, right now i'm stuck with the command line sitting at the terminal way to log in to the server. The guy before me didn't want the extra overhead or some BS of having the GUI running, on servers which are underutilized now. I greatly appreciate all the recommendations for books, websites, etc.

One thing that I'm confused about though, is that I thought Fedora was based on RHEL, but now it looks like CentOS is too? Now I don't know which one to try haha.
I tend to agree with the other guy not wanting 'X'. Why add possible problems to a server. You can/should learn to use the 'cli', scripting or curses tools to maintain the system. Once you have become proficient then you will understand the reasoning of not working with 'GUI' tools. The utilization is not the problem but Security and/or breaking of the system via 'X'.
 
Old 07-06-2009, 09:30 AM   #27
rjo98
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I end up doing most of my heavy lifting in Windows with the command line anyway, so that's not that big of a problem if the GUI isn't installed on my servers. One less thing for me to worry about and update, right? :-)

Any other thoughts on CentOS vs. Fedora to get my feet wet?
 
Old 07-06-2009, 09:32 AM   #28
Johnnie J
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I've been looking at different distributions, being new to Linux, and there are three books on CentOS coming out this summer that look quite promising. They are available through Amazon, at least that's where I've seen them.
 
Old 07-06-2009, 09:49 AM   #29
rjo98
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Quote:
Originally Posted by johnsfine View Post
Fedora is based on Red Hat. I never tried it, so I can't give you details.

Centos is very directly based on RHEL. I think only a few names and logos are changed. All the operational software is identical. A specific version of Centos will be a direct operational match for the same numbered version of RHEL.

I don't think Fedora has a full packaged version match to RHEL. Individual programs may be available matching by version, but I don't think the whole distribution is available as an exact match.

OK, so sounds like I should be downloading CentOS and not Fedora to get my feet wet then. thanks again!
 
Old 07-06-2009, 02:50 PM   #30
MensaWater
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Fedora is based on "early" RedHat.

RedHat used to have a single distribution line that went up to RedHat 9 (many people used RedHat 7.3). In those days the commercial and non-commercial versions were the same. (The difference being support from RedHat.)

After RH 9 RedHat reserved the name RedHat for commercial versions and didn't allow for non-commercial. This annoyed many people so they came out with a non-commercial Fedora project. (Note that fedora is the type of hat seen in RedHat's logo). They have also rebranded the commercial stuff as RedHat Enterprise Linux (RHEL).

While RedHat supports the Fedora project they do not directly support Fedora installations. That is to say you can't call RedHat for help with Fedora. However the Fedora stuff is on RedHat's servers.

These days it would be more correct to say RHEL is based on Fedora though both are based on early RedHat. Fedora is very bleeding edge and is used to test many new things. Little ends up in RHEL that wasn't first tested in Fedora. However Fedora does have some philosphy differences with RHEL. (e.g. You can get Lesstif for Fedora because they don't provide Motif but RHEL does.)

CentOS is a separate non-commercial distribution and RedHat does not support the project so far as I know. It is compiled from the source code of RHEL. The point being that CentOS of a specific version is going to be binarily compatible with the RHEL of that version. Fedora on the other hand is not. For example by the time RHEL 5 came out Fedora had already gone past Fedora Core 6 and it is now up to Fedora 11 even though the current RHEL version is only 5.3 (with 5.4 in beta).

CentOS can do this because the GNU Public License (GPL) specifies that any modifications to source must be provided. You can't legally make your own Linux and compile it then resell it without also providing the source.
 
  


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