[SOLVED] Can Any Senior Member Suggest me About for Linux System Admin Troubleshoting

manishs · 01-11-2012, 01:30 PM

Hi

To All Senior Linux Admin Here. Can Anybody tell me some troubleshooting Problem in Linux So it can help me to clear a interview.
I hope i ll get many answer

ganesh24pal@gmail.com · 01-11-2012, 01:40 PM

Dear Manish,

Dont worry, what you have please deliver to the customer .

All the best.

manishs · 01-11-2012, 09:47 PM

Quote:

Originally Posted by ganesh24pal@gmail.com

Dear Manish,

Dont worry, what you have please deliver to the customer .

All the best.

Thanks Ganesh for reply but if is possible can u tell me some general problem which occur to maintain linux server so it will help me in interview.i have just configure all the server like dns ,nis ,raid but i have not maintain it that why i have not aware about maintain problem.

Thanks Again For give me ur valuable time

AwesomeMachine · 01-11-2012, 11:49 PM

You've got a local, private network,and you want to map it out, secure it, and monitor for problems.

# nmap -A -v 192.168.0.0/16 -p 1-65535 >> namp.txt

will map it out by IP

ort

in the file namp.txt

# nessus

will test for vulnerabilities, so you can tighten the system down at the packet layer, with

# iptables

and fix a few config files.

# tripwire

monitors file alteration.

You can set the immutable attribute to prevent attackers from altering basic system tools, such as ls, find, locate, grep, etc

chattr -i /bin/ls

and you can use logwatch to filter out the important stuff from the log files.

fukawi1 · 01-12-2012, 12:45 AM

Quote:

i have just configure all the server like dns ,nis ,raid but i have not maintain it that why i have not aware about maintain problem.

Not maintaining a system is your first mistake. If i was paying somebody in a "senior linux admin" position, i would very much expect them to maintain the system beyond the original implementation.

But I am not a "senior" member here at LQ, so my opinion is evidently worthless to you.

manishs · 01-12-2012, 10:16 AM

Quote:

Originally Posted by AwesomeMachine

You've got a local, private network,and you want to map it out, secure it, and monitor for problems.

# nmap -A -v 192.168.0.0/16 -p 1-65535 >> namp.txt

will map it out by IP

ort

in the file namp.txt

# nessus

will test for vulnerabilities, so you can tighten the system down at the packet layer, with

# iptables

and fix a few config files.

# tripwire

monitors file alteration.

You can set the immutable attribute to prevent attackers from altering basic system tools, such as ls, find, locate, grep, etc

chattr -i /bin/ls

and you can use logwatch to filter out the important stuff from the log files.

Thanks Again for give me ur Valuable time & ans but if u tell me some more example so it will help me a lot in my job searching.i hope u will give me guidance for good career.

TB0ne · 01-12-2012, 10:18 AM

Quote:

Originally Posted by manishs

Hi
To All Senior Linux Admin Here. Can Anybody tell me some troubleshooting Problem in Linux So it can help me to clear a interview.
I hope i ll get many answer

Honestly, if you don't know the answers to that question, are you sure you're qualified for the job? I do not mean to sound nasty, but if I was interviewing someone for a systems administrator position, I'd expect them to have a very clear picture of the basics of troubleshooting and diagnostics.

Think of the parts of a system: CPU, memory, disk, and the programs that run on the system. Each one could have a different impact on all the others, so think about what tools you'd need to examine the loads on each.

manishs · 01-12-2012, 10:25 AM

Quote:

Originally Posted by fukawi1

Not maintaining a system is your first mistake. If i was paying somebody in a "senior linux admin" position, i would very much expect them to maintain the system beyond the original implementation.

But I am not a "senior" member here at LQ, so my opinion is evidently worthless to you.

Thanks Friend
first of all no body is senior in the world everyone learn from there experience so u told me the right right about me so ur are really a good senior ok . i need ur suggestion in my struggle.may be it my mistake in my previous company there is only client req base work so i have just configure but know i trying to learn maintains problem from exp persons like u and i know many people will help me including u .

manishs · 01-12-2012, 10:37 AM

Quote:

Originally Posted by TB0ne

Honestly, if you don't know the answers to that question, are you sure you're qualified for the job? I do not mean to sound nasty, but if I was interviewing someone for a systems administrator position, I'd expect them to have a very clear picture of the basics of troubleshooting and diagnostics.

Think of the parts of a system: CPU, memory, disk, and the programs that run on the system. Each one could have a different impact on all the others, so think about what tools you'd need to examine the loads on each.

Thanks
i know some basic problem but i want to know some general proble occur to maintain appache ,dns,nis raid and samba if u tell me something about this then it will really help in my career. Again Thanks for give me ur valueble time.i hope this conversation will continue in future also.

TB0ne · 01-12-2012, 10:54 AM

Quote:

Originally Posted by manishs

Thanks
i know some basic problem but i want to know some general proble occur to maintain appache ,dns,nis raid and samba if u tell me something about this then it will really help in my career. Again Thanks for give me ur valueble time.i hope this conversation will continue in future also.

If you're trying to get a job, the first thing you need to do is SPELL OUT YOUR WORDS. That text-speak junk doesn't get you very far.

And there is no 'general problem'...that's like asking "how high is up?". Apache? Well, is it serving up PHP, Java, ASP, what? Database backend? How many users? How many disks? How much network bandwidth? Etc., etc., etc....far too many variables. Same with DNS, NIS, RAID, and Samba. There is no 'general problem'. You have to KNOW how to troubleshoot things, and I gave you hints in my last post. Read them, research them, and KNOW them.

If we give you answers here, and you bluff your way into a job without the skills and knowledge to DO the job, you won't last long. It will be VERY obvious that you can't do what you were hired to do, and you'll get tossed out quickly.

T3RM1NVT0R · 01-12-2012, 02:43 PM

Hi manishs,

Quote:

Can Any Senior Member Suggest me About for Linux System Admin Troubleshoting

Nobody can teach you how to troubleshoot but you. There is no book (atleast I am not aware of) which can guide you on troubleshooting. The reason being troubleshooting is a mixture of common sense + technical skills and no book I guess can teach you how to develop your common sense :-)

Quote:

i know some basic problem but i want to know some general proble occur to maintain appache ,dns,nis raid and samba if u tell me something about this then it will really help in my career. Again Thanks for give me ur valueble time.i hope this conversation will continue in future also.

First of all do you know how to configure the stuff that you have mentioned? If you know how to configure them then you should also know where to look for when the problem occur.

If you are doing this for interview preparation then you can just google for the questions that are asked during a linux system admin interview. But again the catch is you can't predict what interviewer wants to know from you. Every interviewer has got a different style and he can ask you anything which he think is required/relevant to the post you are applying for. Let us assume that some how by mugging up several answers that you found on the internet you cleared the interview. How about retaining the job. Remember it is somehow easy to get a job but it is very tough to retain it.

I would suggest you to study hard, go through documentation available on the internet, post here in the community if you come across some problem or you have any query. We are here to help you.

All the best for your studies/preparation.

suicidaleggroll · 01-12-2012, 04:16 PM

To be perfectly honest...if you don't have the skills to pass the interview, then you don't have the skills to do the job. There's a reason the interview process exists in the first place, it's not just a hurdle in your way towards a paycheck.

If you want to know these skills then learn them, don't ask members here to provide you with some "buzz words" so you can cheat your way into a job you can't do.

manishs · 01-13-2012, 08:55 AM

Quote:

Originally Posted by T3RM1NVT0R

Hi manishs,

Nobody can teach you how to troubleshoot but you. There is no book (atleast I am not aware of) which can guide you on troubleshooting. The reason being troubleshooting is a mixture of common sense + technical skills and no book I guess can teach you how to develop your common sense :-)

First of all do you know how to configure the stuff that you have mentioned? If you know how to configure them then you should also know where to look for when the problem occur.

If you are doing this for interview preparation then you can just google for the questions that are asked during a linux system admin interview. But again the catch is you can't predict what interviewer wants to know from you. Every interviewer has got a different style and he can ask you anything which he think is required/relevant to the post you are applying for. Let us assume that some how by mugging up several answers that you found on the internet you cleared the interview. How about retaining the job. Remember it is somehow easy to get a job but it is very tough to retain it.

I would suggest you to study hard, go through documentation available on the internet, post here in the community if you come across some problem or you have any query. We are here to help you.

All the best for your studies/preparation.

Thanks a lot to give me best suggestion i am really trying to learn the problems and skills will develop soon,so may i ask some query in future to u if i will get in work.

kamalakannann · 01-13-2012, 09:17 AM

hi manish in this portal itself you can lot of issues and trouble shootings....and be strong in the basics it will help you in interview alot..

all the best for your interview...

manishs · 01-15-2012, 12:07 PM

Quote:

Originally Posted by kamalakannann

hi manish in this portal itself you can lot of issues and trouble shootings....and be strong in the basics it will help you in interview alot..

all the best for your interview...

Thanks kamalakannann i have got many ans from this forum still i m working on it but i need ur valuable suggestions in future also.