interview questions

indepth understainding of LVS -- how the webserver knows how to communicated with loadbalancer.
difference between nginx and apache
how replication working in mysql
how to install 100 servers automatically
how to install an application on 100 of servers .

post 8080 is not able to telnet --- hint wait state
content of grub
your website is not working  -- wat are the steps
wat is pingattack
load on the systems what do you check . what tools do you use
how does apache work . -- the flow
wat is rewrite rules -- why is it used
jboss , weblogic , apache-tomcat
what is DOS attack
how do you know dns is not working .




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