nikolay

DevOps (Not!) Interview Prep Questions - "As Is"

Mar 8th, 2017
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  1. 1. What is S3? | What is it used for ? | Should encryption be used?
  2. 2. What is an AMI? | How do I build one from scratch? | What does the utility that builds an AMI of an instance with an ephermal root volume store actually do(step by step)?
  3. 3. Write a bash script to log into servers 01-500 with a server name/dns format like US-PROD-001
  4. -Run a bash script to remove the gz extension of the files in the /tmp directory on the remote server(s) and preserve the runtime version of the script in a history folder in the root user’s home directory.
  5. -Make a lock file.
  6. -Make it run it on the servers in parallel or more than 1 thread
  7. 4. The df command shows a volume with 100% usage, the du command shows much less. what is the likely cause and the command you would use to help fix?
  8. 5. What is SNMP and how would you query it from the command line?
  9. 6. What is your Linux Distribution of choice and Why?
  10. 7. How would you encrypt a file from the command line?
  11. 8. What is the difference between SFTP and FTPS?
  12. 9. Explain the following HTTP error codes and their usage 200, 301, 302, 404, 500, and 503.
  13. 10. What is the linux command used for changing the attributes of a file or folder ?
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