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  #1  
Old 17th November 2006, 07:44 AM
jimmy20013 Offline
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Questions you would ask a candidate for Linux admin position?

Hi, if you were looking for a entry to mid-level Linux Admin, what questions would you ask him to test his skills?
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  #2  
Old 17th November 2006, 07:53 AM
multescugeorge@ Offline
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1. can you make a clone of a linux install to work on a second HDD (the original HDD removed)
2. my sendmail has been sending a lot of data these past few days over the internet, but i didn't send any messages, what could be wrong?
3. i want to share the internet with 10 other peoples in a hurry, but i don't want to pay 10 extra ip adresses, the network is in place, how can this Linux do that?
4. i want to filter out some web pages for those 10 peoples, i just don't want them accessing those pages, how can this be done?
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  #3  
Old 17th November 2006, 08:03 AM
nick.stumpos Offline
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to add to multescugeorge@ sugestions,
i need to share files/printer with a windows machines, how can this be set up
I need to have such and such automount though ntfs on every workstaion, howcan this be done.
I want each user locked into their /home/ directory, how can this be done
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  #4  
Old 17th November 2006, 08:37 AM
jimmy20013 Offline
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Quote:
1. can you make a clone of a linux install to work on a second HDD (the original HDD removed)
Never done it but yes after editing the bootloader config.

Quote:
2. my sendmail has been sending a lot of data these past few days over the internet, but i didn't send any messages, what could be wrong?
Sendmail has been hacked and is being used to send spam. (Occam's Razor: Simplest explanation first. )

Quote:
3. i want to share the internet with 10 other peoples in a hurry, but i don't want to pay 10 extra ip adresses, the network is in place, how can this Linux do that?
Add a second NIC, install and configure a DHCP server, enable IP forwarding, connect the NIC to a switch/hub and connect the ten PC's to the switch/hub.

Quote:
4. i want to filter out some web pages for those 10 peoples, i just don't want them accessing those pages, how can this be done?
Edit the httpd.conf and add the line Deny 192.168.1.*, assuming that they belong to a Class C network.
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  #5  
Old 17th November 2006, 08:45 AM
multescugeorge@ Offline
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1. what comand(s) could be used?
2. why did it become hijacked?
3. not that easy, masquerading must be configured, ip forwarding is just a part. Quick setup: firstarter
4. some web pages: xxx.porn. com, xxx.pornHardxxx.com, www.Games.com, perhaps try squid acl lists and transparent proxy-ing.
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  #6  
Old 17th November 2006, 09:09 AM
jimmy20013 Offline
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Quote:
i need to share files/printer with a windows machines, how can this be set up
Using Samba. Specific procedure depends on authenciation methods, file permissions, blah blah.


Quote:
I need to have such and such automount though ntfs on every workstaion, howcan this be done.
Edit the /etc/fstab file.

Quote:
I want each user locked into their /home/ directory, how can this be done
Can be done usign chroot or rbash. Some programs like vsftpd have this option in their conf files.
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  #7  
Old 17th November 2006, 09:14 AM
jimmy20013 Offline
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Quote:
3. not that easy, masquerading must be configured, ip forwarding is just a part. Quick setup: firstarter
Sorry I am in the middle of something and I am trying to type the answers as well. Yes forgot about IP masquerading and I thought of Firestarter but firestarter doesn't give you as much control. By the way I have a Linux box at home serving as a DHCP server and everything to my 4 other computers, so I am well versed with the procedure.

Quote:
4. some web pages: xxx.porn. com, xxx.pornHardxxx.com, www.Games.com, perhaps try squid acl lists and transparent proxy-ing.
Misread your question. I thought you were trying to deny acces to your site to those 10 people. If you are trying to block certain pages then yes I would use squid or for that matter any proxy server and block those pages using Acess Control List and setup transparent proxy.

Answers to your other questions will follow soon.
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Last edited by jimmy20013; 17th November 2006 at 09:19 AM.
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  #8  
Old 17th November 2006, 09:21 AM
multescugeorge@ Offline
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a) also cups must be configured to allow remote requests, firewall must be set to allow incoming print requests, and SeLinux settings tweaked a bit.
b) correct, altho i think Nickisgod1 wanted to say nfs there
c) never thought of that, but a disk quota seems more effective, and users don't have much access anyway, the little they have can be taken away with file/folder permissions
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  #9  
Old 17th November 2006, 09:28 AM
jimmy20013 Offline
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Quote:
Originally Posted by multescugeorge@
a) also cups must be configured to allow remote requests, firewall must be set to allow incoming print requests, and SeLinux settings tweaked a bit.
I have this bad habit of taking things for granted. The things that you stated seemed so obvious to me that I didn't think them worth mentioning. To me it was like Turn on the computer first. But you are right. I should be more detailed and present a complete explanation.
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  #10  
Old 17th November 2006, 03:59 PM
BandC Offline
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You're answering the questions people ask. Are you a person who needs to hire this admin or are you an interviewee who prepares for such an interview? I'm just confused that's all. In any case, I think it's a useful thread.
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  #11  
Old 17th November 2006, 09:29 PM
jimmy20013 Offline
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I am the one who is going to be interviewed and its a phone interview so they won't get to test my skills. They are just going to ask me a bunch of questions whose answers you can easily google.

I wish it was a face to face and they would give me a challenge like setup a DNS server, mail server and backup server with the following configuration within this amount of time or something similar.
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  #12  
Old 17th November 2006, 09:31 PM
Seve Offline
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Hello:
Do you have a sister ?

Seve
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  #13  
Old 17th November 2006, 10:44 PM
jimmy20013 Offline
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Quote:
Originally Posted by Seve
Hello:
Do you have a sister ?

Seve
No but I always wanted one. I know there is some humour involved in the question but I think I am just too tired to get it right now.
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  #14  
Old 17th November 2006, 10:55 PM
Seve Offline
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Quote:
Originally Posted by jimmy20013
No but I always wanted one. I know there is some humour involved in the question but I think I am just too tired to get it right now.
Hello Jimmy:
Please accept my apologies.
I know your original question was serious. To that point, I would take a few moments to lay out some requirements of the position you want to fill. Along the line of a basic job description with required skills etc, and go from there.
If the basic education and skill set is there and you feel the person [him/her] would be a good organizational fit, then go for it.

Seve
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  #15  
Old 17th November 2006, 11:05 PM
jimmy20013 Offline
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Quote:
Originally Posted by Seve
Hello Jimmy:
Please accept my apologies.
I know your original question was serious. To that point, I would take a few moments to lay out some requirements of the position you want to fill. Along the line of a basic job description with required skills etc, and go from there.
If the basic education and skill set is there and you feel the person [him/her] would be a good organizational fit, then go for it.

Seve
Hey Seve,
I didn't take any offense.I have a sense of humour or atleast I hope so .
They are looking for someone who is familiar with DNS servers, Kickstart installations, Netbackup, Windows AD , Windows , Linux particularly RHEL and networking protocols.

An example question I was asked and I am ashamed to admit it, is how would you configure a Linux box to point at a particular DNS server?

I really hope they ask me something more challenging than this because any hare brained moron even with a little exp. can answer that question.

My apologies to the hare brained morons.
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