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Linux online coding tests & interview questions

Check out related coding tests:
DevOps interview questions

Security
SENIOR
Tested skills
Duration
65 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Security, Hashing, MD5, algorithms, ACL, IPC, Linux, Operating System

Code gaps

assessing knowledge of Nnetcat, Portscan, Security, Nmap, Passwords, Privilege Escalation, Users

Testing task

Security | Fighting Scammers - hack the website - Steal the credit card number used to place the order with the highest value

Docker
JUNIOR
Tested skills
Duration
20 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Bash, Linux

DevOps task - Level: Easy

DevOps | Ubuntu | Persistent storage for dockerized application - The purpose of this task is to check if a candidate knows how to create and use Docker volumes.

Docker
JUNIOR
Tested skills
Duration
20 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Bash, Linux

DevOps task - Level: Easy

DevOps | CentOs | Persistent storage for dockerized application - The purpose of this task is to check if a candidate knows how to create and use Docker volumes.

Ubuntu
SENIOR
Tested skills
Duration
60 minutes max.
Evaluation
Automatic
Test overview

DevOps task - Level: Hard

DevOps | Ubuntu | Ansible Dynamic Inventory plugin - The purpose of this task is to check Ansible plugin writing skills (advanced Ansible skill). To complete this task, candidate must know some programming language.

CentOs
SENIOR
Tested skills
Duration
60 minutes max.
Evaluation
Automatic
Test overview

DevOps task - Level: Hard

DevOps | CentOs | Ansible Dynamic Inventory plugin - The purpose of this task is to check Ansible plugin writing skills (advanced Ansible skill). To complete this task, candidate must know some programming language.

DevOps
SENIOR
Tested skills
Duration
66 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of DevOps, Docker

DevOps task - Level: Hard

DevOps | Master of Disaster Recovery (CentOS) - Recover data from broken MariaDB/MySQL database.

DevOps
SENIOR
Tested skills
Duration
66 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of DevOps, Docker

DevOps task - Level: Hard

DevOps | Master of Disaster Recovery (Ubuntu) - Recover data from broken MariaDB/MySQL database.

DevOps
MIDDLE
Tested skills
Duration
45 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Bash, Linux, DevOps, Docker

DevOps task - Level: Medium

DevOps | Filesystem troubles (CentOS) - This task tests candidate's familiarity with basic concepts of Linux/Unix filesystems, like inodes and tests his/her ability to use command line tools like: find, df, lsof, rm, mount, kill to debug problems with the filesystem.

Linux
MIDDLE
Tested skills
Duration
47 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Bash, Linux, DevOps

DevOps task - Level: Medium

DevOps | Filesystem troubles (Ubuntu) - This task tests candidate's familiarity with basic concepts of Linux/Unix filesystems, like inodes and tests his/her ability to use command line tools like: find, df, lsof, rm, mount, kill to debug problems with the filesystem.

DevOps
MIDDLE
Tested skills
Duration
70 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Bash, Linux, Docker

DevOps task - Level: Medium

Docker Configuration and Operations (Ubuntu) - Install and configure the Docker Engine on a test server.

Jenkins
MIDDLE
Tested skills
Duration
68 minutes max.
Evaluation
Automatic
Test overview

Programming task - Level: Medium

Jenkins | Job DSL | Job Configuration - Complete Jenkins configurations with Jenkins Job DSL.

Code gaps

verifying the most esstential skills in Jenkins.

Linux
MIDDLE
Tested skills
Duration
77 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Bash argument expansion, determining free space, Linux namespaces, DNS SOA records, Linux IO streams, and CIDR broadcast calculation

Code gaps

evaluates candidate's familiarity of Shell utilities, GNU/Linux networking

DevOps task

LAMP stack setup (CentOS)