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I was interviewed before Jan 2021.
Round duration - 60 minutes
Round difficulty - Easy
First round was skype based technical interview.
You are connected through screen on the terminal and basic to advanced shell scripting is asked.
They will ask basic to advanced shell commands, some shell scripting tasks and about linux kernel.
Tips: You have to be really sure in a skype interview that you know the question being asked, as you can't take much time.
A process in Linux is an instance of a running program, identified by a unique process ID (PID) and containing information about its execution.
A process is an executing instance of a program in Linux.
Each process is identified by a unique process ID (PID).
Processes can be managed using commands like ps, top, and kill.
Processes can run in the foreground or background.
Examples of processes include web servers, database s
The Linux boot process involves several stages including BIOS, bootloader, kernel initialization, and user space initialization.
BIOS (Basic Input/Output System) performs hardware initialization and loads the bootloader
Bootloader (such as GRUB) loads the Linux kernel into memory and starts its execution
Kernel initializes devices, mounts the root filesystem, and starts the init process
Init process (systemd or SysVinit) i
You can monitor file changes in Linux using tools like inotifywait, auditd, or by writing custom scripts.
Use inotifywait command to monitor file changes in real-time
Set up auditd to track file changes and system calls
Write custom scripts using tools like inotify or diff to monitor specific files or directories
You can kill all Java processes with a single command using pkill or killall commands.
Use pkill command followed by the process name 'java' to kill all Java processes: pkill java
Alternatively, you can use killall command with the process name 'java' to achieve the same result: killall java
Round duration - 60 minutes
Round difficulty - Medium
This round was also on skype.
This round was more DevOps tools oriented and language programming.
They asked me about Chef, Ansible and some other tools used for configuration management and deployment.
They ask if your familiar with AWS and other cloud services.
Also you will get to show that you can code in any scripting languages like ruby or python.
Also some database related things.
Tips: Only mention the tools you really know inside out in the resume.
Ruby program to check if a directory exists
Use the File.directory? method in Ruby to check if a directory exists
Provide the directory path as an argument to the method
Return true if the directory exists, false otherwise
SQL query optimization techniques improve performance by reducing query execution time.
Use indexes to speed up data retrieval
Avoid using SELECT * and only retrieve necessary columns
Optimize joins by using appropriate join types (e.g. INNER JOIN, LEFT JOIN)
Use WHERE clause to filter data early in the query
Avoid using subqueries if possible
Chef is a configuration management tool used in DevOps to automate infrastructure deployment and management.
Automating server configuration and management
Ensuring consistency across environments
Enabling infrastructure as code practices
Automating application deployment processes
Managing complex infrastructure at scale
Tip 1 : You should be updated with what's going on with latest devops developments.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
I applied via Naukri.com and was interviewed before Apr 2021. There were 2 interview rounds.
I applied via Naukri.com and was interviewed in Dec 2019. There were 4 interview rounds.
I applied via Referral and was interviewed before Jan 2021. There was 1 interview round.
A scalable web application architecture with load balancing and fault tolerance.
Use a load balancer to distribute traffic across multiple servers
Implement fault tolerance by using multiple servers and a backup database
Use a microservices architecture to break down the application into smaller, more manageable components
Implement caching to improve performance
Use a containerization platform like Docker to simplify deplo
I applied via Recruitment Consultant and was interviewed before Aug 2020. There were 5 interview rounds.
I applied via Job Portal and was interviewed before May 2020. There were 3 interview rounds.
I applied via Naukri.com and was interviewed before Jan 2021. There were 4 interview rounds.
Basic Exam about your knowledge.
We have to speak out properly and clear with our opinion.
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