What are your best senior level Linux interview questions [closed]
Solution 1:
- How look shared library dependencies?
- How trace system call and signal?
- How profile app?
- How print the strings of printable characters in files?
- What fields are stored in an inode?
- What is nscd?
- What is Automake and Autoconf?
- What steps to add a user to a system without using useradd/adduser?
- How see look information about ELF files?
- What is MAJOR and MINOR numbers of special files?
- How link layer filtering?
Solution 2:
- Tell me about the last major Linux project you finished. What were some of the obstacles and how did you overcome them. Sometimes asking these open questions will reveal much more then small questions that are easily answered by Google. A great senior admin doesn't need to know everything, but they should be able to come up with amazing solutions to impossible projects.
- Do you contribute to any Open Source projects? Doesn't matter if it's just documentation, it shows a certain dedication to the craft.
To figure out how good they are, ask the open ended questions...
Solution 3:
Question: Describe a scenario when you get a "filesystem is full" error, but 'df' shows there is free space
Answer: The filesystem can run out of inodes, 'df -i' will show that.
Open ended questions:
- tell me about how do you manage your knowledge database (wikis, outlines, spreadsheets, plain text files) and why did you choose particular options
- do you use version control? which one and why? are your commit messages good looking?