Support Linux Interview Questions

1,887 support linux interview questions shared by candidates

What is Linux? What is the difference between Unix and Linux? What is the shell in Linux? What is a process in Linux? What is a daemon in Linux? What is a kernel in Linux? What is the difference between a soft link and a hard link? How do you check the disk space on a Linux system? How do you check the memory usage on a Linux system? How do you create a new user in Linux? How do you change the permissions of a file in Linux? What is the difference between chmod and chown commands? How do you find files in Linux? What is a grep command in Linux? What is the difference between grep and awk commands?
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Linux Systems Administrator

Interviewed at JustDial

3.3
Mar 24, 2023

What is Linux? What is the difference between Unix and Linux? What is the shell in Linux? What is a process in Linux? What is a daemon in Linux? What is a kernel in Linux? What is the difference between a soft link and a hard link? How do you check the disk space on a Linux system? How do you check the memory usage on a Linux system? How do you create a new user in Linux? How do you change the permissions of a file in Linux? What is the difference between chmod and chown commands? How do you find files in Linux? What is a grep command in Linux? What is the difference between grep and awk commands?

Round 1 HR: (1 person ) 30 min Q: Tell me about yourself Q: Linux commands questions like grep, awk, sed Q: Have you worked on on-prem VM's ? Q: What databases have you worked on? Q: Most challenging project and how you helped? Q: Do you know Jenkins and scripting in Groovy? Q: What language do you usually script in: python, bash, or both? Q: How would you check if the VM is down? Q: How to check if the disk space is running out? What steps will you take to rectify it? Q: Difference between inode and notify Round 2 : Take home Coding assignment: Q: Given a string like 'aaabccdee', return count of characters to remove to make it an string with all chars having even frequency Q: Given an array with days in it, write a function that takes a day and n as an input and returns the day that's n days from day. eg: ('wed', 3)=> sat Q: Given a file structure for music, images, videos arrange the extensions of file in their respective dir. eg : .jpg in images folder, .mp3 in music, .avi in videos folder. Round 3: Group Interview: (2 people): 90min Q: Command to see services running on VM Q: How would you manage certificates on VM? Q: What are docker layers? Q: What is docker multistage? Q: Difference between NodePort and ClusterIP? Q: How to check if the Apache service is running? Q: How did you migrate the Certificate? ( eg : Godaddy to ACM) Q: Where are the certificates stored? Q: Do you know certificate architecture in general? Explain it. Q: Explain how the client authenticates with a server? Q: Terraform vs Ansible ? Why did you choose Terraform? Q: Live coding: Fibonacci series for first 30 numbers. Any language.
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Intermediate DevOps/SRE Engineer (Linux)

Interviewed at Global Relay

2.5
Jan 25, 2023

Round 1 HR: (1 person ) 30 min Q: Tell me about yourself Q: Linux commands questions like grep, awk, sed Q: Have you worked on on-prem VM's ? Q: What databases have you worked on? Q: Most challenging project and how you helped? Q: Do you know Jenkins and scripting in Groovy? Q: What language do you usually script in: python, bash, or both? Q: How would you check if the VM is down? Q: How to check if the disk space is running out? What steps will you take to rectify it? Q: Difference between inode and notify Round 2 : Take home Coding assignment: Q: Given a string like 'aaabccdee', return count of characters to remove to make it an string with all chars having even frequency Q: Given an array with days in it, write a function that takes a day and n as an input and returns the day that's n days from day. eg: ('wed', 3)=> sat Q: Given a file structure for music, images, videos arrange the extensions of file in their respective dir. eg : .jpg in images folder, .mp3 in music, .avi in videos folder. Round 3: Group Interview: (2 people): 90min Q: Command to see services running on VM Q: How would you manage certificates on VM? Q: What are docker layers? Q: What is docker multistage? Q: Difference between NodePort and ClusterIP? Q: How to check if the Apache service is running? Q: How did you migrate the Certificate? ( eg : Godaddy to ACM) Q: Where are the certificates stored? Q: Do you know certificate architecture in general? Explain it. Q: Explain how the client authenticates with a server? Q: Terraform vs Ansible ? Why did you choose Terraform? Q: Live coding: Fibonacci series for first 30 numbers. Any language.

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