What each person said here is true. The previously mentioned questions, many of them, did come up. I prepared for this by making a 2-3 page list of all the GlassDoor questions that came up 2 or more times from other people's reviews. I then studied that set of questions and prepared for what I expected to be asked. Doing this proved invaluable to me. Study guys. Study.
Do you have any kernel performance, tuning experience?
What is an orphan process
What is a zombie process
The steps linux goes through when it boots
The questions are relevant.
What do you know about our company?
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Mostly different Linux commands and what they do. There were also a fair amount of questions pertaining to DNS and troubleshooting a network (all generally within the Linux environment).
What can be determined about the router from the console output: FastEthernet/IEEE 802.3 interface 125K bytes of non-volatile configuration memory.
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