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Unix is running slow??

 
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# 1  
Old 11-27-2007
Unix is running slow??
All, This is my interview questions. Let me explain the question. Some one is asking me that, the unix server is running very slow. As a unix unix admin, what are the steps we should follow?? What/which process we should check?? What is the way to find the root cause ? Please let me know. Thanks
# 2  
Old 11-27-2007
Ok
Information Search about
"InitNG"
# 3  
Old 11-27-2007
First thing I would run is "top".
# 4  
Old 11-27-2007
vmstat, sar, iostat. Depends om what kind of UNIX/Linux we are talking about.

Top is not availabe by default on some UNIX (like Solaris that uses prstat)


/peter
# 5  
Old 11-27-2007
Thanks and i appreicate every one reply. I am not sure what is InitNG(Victory reply). One question. How would i know how many CPU's are available in unix server? What is the command to run and see the CPU counts.
# 6  
Old 11-27-2007
Quote:
Originally Posted by govindts
How would i know how many CPU's are available in unix server?
It depends on the operating system.

It is difficult to talk too much about UNIX administration and troubleshooting if you stick to generic UNIX, all you will get is general non-specific answers.

Where the rubber hits the road is when you have a real machine with a real operating system and a real problem.

For example, the answer might be "look at the label on the back of the machine and google the model number".
# 7  
Old 11-27-2007
Quote:
Originally Posted by s93366
vmstat, sar, iostat. Depends om what kind of UNIX/Linux we are talking about.

Top is not availabe by default on some UNIX (like Solaris that uses prstat)


/peter

use these commands you will find the problem or bottleneck about hardware, and any other way is to look the log file, some about application log file.
 
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