Notes2

droppedbyte="$(iptables -L -v -n --line-number | grep DROP | awk '$1 = 5 {print $3}')"


droppedbyte="$(iptables -L -v -n --line-number | grep DROP | awk '$1 = 5 {print $3}')"
echo "$droppedbyte"

================================

python
What are the different types of modules , you have used
How does cnn.com work
What are the different infrastructure components involved

how long does a browser or an infrastructure equipment remember the ip address
This is based on the TTL { Time to Live}

what are the different areas , where the ip address could be cached ?
server , DNS cache , router , browser , at the ISP level

how do yu parse a /etc/hosts file

Explain about SSL

how to capture the specific fileds using python from a file
--------------------------------

awk command  to print a specific field
How to use it and how to implement it using python

GIL- what is it
*args , did you use it ?

do you use any OAM in python ?
no object oriented programming so far

Difference between django and flask and why did you use flask

Where are you in terms of using flask ?


What happens , when a guy gets under your skin

what is one difficult or exciting project tha tyou have worked on ?

How do you install a piece of software on a lot of servers ?
use a shared drive mount , that is common to all the servers

Use puppet , that identifies the servers , based on the domain name

How does puppet work - based off of an agent ?
how long does the agent take to gather the configuration from the master

Any other scripting languages ?
shell , python , little ruby


What is the type of error you get , if the /etc/hosts file doesnt exist and you are trying to open it , please explain in detail
Try catch statement ,
We get an IO error , which states that , there is no such file or directory

IO error is for the input error- when the file doesnt exist
How to debug io issues
WHAT’S THE BEST PATH TO FIXING AN I/O BOTTLENECK?
how to find n/w issues
rsync issues , if this is a new job thats running

-----
So in TCP , while doing a communication , what are the things , that need to be considered
i mean , there are 4 things that are necessary , that are necessary
ip of the host and client , port of the host and client
-----------------------------
SSL - symmetric and assymetric
explain it clearly
--------------
What is load average
What is the hardware cloud and virtualization
Complete thing about docker
Amazon security groups
coding question about the sorting algorithm - load averages

========================================

tell me about yourself
======================

What is docker , how do you use it
cow
do you know how docker works
what it does at kernel level

================================
how is the application looking

the complexity of the algorithms

the time complexity O nlog(n)

the complexity

What type of software do you use for installing docker
------------------------------

swarm

docker compose , do you know which language are these written in ?

splunk Apps , which language are these written in
Where does python come into picture

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

How fast is splunk
------------------------------------------

perfect forward secrecy
When the SSL means, what is the information that is shared
the ips of the host and ip of the client , the port of the client and the port of the client
Do you know what is the complexity
Do you know how docker works
Do you know what is Sha1 , Sha2
Do you know this
Do you know that
Do you know which algorithm , you want to write
Do you know about binary algorithms
Binary trees , what are the different binary trees
which binary tree algorithm do you use
counting sort
Which sorting algorithm do you use

what is SSL
What happens , when you do a ssl handshake

The initial handshake happens with assymetric keys
After the keys are exchanged , then the symmetric keys are exchanged and then the encrypted data is exchanged
CSR

What is tcp /ip
in tcp /ip , what are the two pairs of information that is exchanged
in

Coding problem

===============================

Where does docker come into picture

==================================

Where do you use splunk
Do you remember any key words that are part of the splunk
Do you use splunk Cloud ?
How is splunk implemented in your company ?
What are the different things that you have done ?

====================================
What did you do as part of your job ?
How is the code reviewed ?

load averages - How are load averages calculated ?
1,5,15 minutes
it depends on the number of cores of the computer - if the load averages exceed the number of processes , that could
be handled by the cpus present , then we do have an issue

route ?
SSL - how does it work ?
What is the underlying architecture for docker ? - How does it work ?
groups , some part of pids , some network , some cpu , some memory
Everything is divided and assigned to the containers ,
This is how docker works


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