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2298 articles

Blog illustration with latest articles, tutorials, guides, and how-to content across Linux and DevOps topics
interview-questions

ServiceNow Developer Interview Questions and Answers

ServiceNow developer interview questions for {year}: platform tables, client and server scripting, GlideRecord, ACLs, Flow Designer, REST, update sets, ITSM scenarios, and senior prep with sample answers.

Deepak Prasad20 min read
interview-questions

Salesforce Developer Interview Questions and Answers

Salesforce (SFDC) developer interview questions for {year}: Apex, governor limits, triggers, LWC, SOQL, Flow vs code, integrations, security, and senior scenario prep.

Deepak Prasad18 min read
interview-questions

Salesforce Data Engineer Interview Questions and Answers

Salesforce Data Engineer interview questions for {year}: SQL, Data Cloud, CDC pipelines, system design, coding, and behavioral prep for senior and lead roles.

Deepak Prasad47 min read
interview-questions

Senior Android Developer Interview Questions and Answers

Senior Android developer interview questions for {year}: Kotlin, Jetpack Compose, coroutines, MVVM/MVI, offline-first design, performance, and system design with sample answers.

Deepak Prasad23 min read
interview-questions

Java Interview Questions and Answers — Part 1

Java interview questions for {year} (part 1): JVM, OOP, static, polymorphism, and core APIs—grouped questions with answers.

Deepak Prasad31 min read
interview-questions

Java Interview Questions and Answers — Part 2

Java interview questions for {year} (part 2): collections, GC, serialization, threading, records, virtual threads—grouped questions with answers.

Deepak Prasad37 min read
linux

How to Install VS Code on Ubuntu

Install Visual Studio Code on Ubuntu from the official packages.microsoft.com APT repo, a direct .deb download, or Snap: add the Microsoft signing key, install code 1.126, launch with code, and install VS Code Insiders …

Deepak Prasad7 min read
interview-questions

Tableau Developer Interview Questions and Answers

Tableau developer interview questions and answers for {year}: LOD expressions, calculated fields, joins vs relationships, dashboard performance, Tableau Server, RLS, extracts, and scenario-based prep.

Deepak Prasad30 min read
interview-questions

Semiconductor Machine Design Engineer Interview Questions and Answers

Technical interview questions for semiconductor machine design engineers in {year}: vacuum systems, wafer handling, precision motion, GD&T, FEA, thermal design, and troubleshooting for equipment roles at ASML, Lam, and …

Deepak Prasad45 min read
interview-questions

Node.js Developer Interview Questions and Answers

Node.js developer interview questions for {year}: event loop, async patterns, streams, Express, JWT, clustering, worker threads, and senior Node.js technical prep with answers.

Deepak Prasad37 min read
interview-questions

Technical Program Manager Interview Questions and Answers

Technical Program Manager interview questions with sample answers for {year}: program sense, roadmap and launch readiness, migrations, system design, cross-functional leadership, STAR behavioral prep, and metrics-driven …

Deepak Prasad28 min read
interview-questions

Morningstar Associate Software Engineer Interview Questions and Answers

Morningstar associate software engineer technical interview questions for {year}: MDP loop, online assessment, SQL, Java OOP, Python, finance basics, and behavioral prep from Glassdoor and candidate reports.

Deepak Prasad33 min read
interview-questions

Technical Specialist Interview Questions and Answers

Technical specialist interview questions with sample answers for {year}: troubleshooting, printers, networking, Windows and Entra ID, Intune, security, ticketing SLAs, and behavioral prep for IT support roles.

Deepak Prasad24 min read
interview-questions

SQL Technical Interview Questions and Answers

SQL technical interview questions for {year}: joins, window functions, CTEs, GROUP BY traps, practice problems, and data analyst prep with sample answers.

Deepak Prasad38 min read
interview-questions

Data Science Interview Questions and Answers

Data science and data scientist interview questions for {year}: statistics, A/B testing, machine learning, SQL, Python pandas, product metrics, behavioral prep, and LLM-era workflows.

Deepak Prasad37 min read
interview-questions

Maven Interview Questions and Answers

Maven interview questions with sample answers for {year}: POM, lifecycle, dependency scopes, plugins, BOM, Wrapper, and CI troubleshooting for experienced Java and DevOps roles.

Deepak Prasad36 min read
interview-questions

AWS Interview Questions and Answers

AWS interview questions for {year}: IAM, S3, CloudFront, Lambda vs EC2, Well-Architected, and core cloud architecture—grouped answers.

Deepak Prasad13 min read
interview-questions

Git Interview Questions and Answers

Git interview questions for {year}: branching, merging, rebasing, remotes, hooks, and recovery—104+ grouped answers for developers.

Deepak Prasad51 min read
interview-questions

Shell Scripting Interview Questions and Answers

Shell scripting interview questions for {year}: bash automation, debugging, awk, set -euo pipefail, ShellCheck—grouped practical answers.

Deepak Prasad6 min read
interview-questions

OpenStack Interview Questions and Answers

OpenStack interview questions for {year}: Keystone, Nova, Neutron, Cinder, Heat—multi-choice practice grouped by service with solutions.

Deepak Prasad9 min read
interview-questions

Front End Developer Interview Questions and Answers

Front end and front end web developer interview questions: HTML, CSS, JavaScript, React 19, accessibility, Core Web Vitals, and senior UI engineering prep.

Deepak Prasad29 min read
interview-questions

Full Stack Developer Interview Questions and Answers

Full stack developer interview questions for {year}: frontend, APIs, databases, Java Spring + React integration, system design, and senior full stack prep — scoped separately from core Java depth.

Deepak Prasad30 min read
programming

Python shelve Module — Persistent Dict-Like Storage

Learn Python shelve for persistent dict-like storage: open(), read/write, access flags, writeback, sync(), thread safety limits, security, and when to use SQLite instead.

Deepak Prasad5 min read
linux

How to Install Plex on Ubuntu

Install Plex Media Server on Ubuntu from the official repo.plex.tv APT repository or a .deb download, start plexmediaserver with systemctl, open port 32400, complete setup at http://127.0.0.1:32400/web, and fix plex user …

Omer Cakmak7 min read
linux

How to Install MongoDB on Ubuntu

Install MongoDB 8.0 Community on Ubuntu from the official mongodb-org repo with gpg keyring (jammy/noble/focal), start mongod with systemctl, connect with mongosh, install shell-only for Atlas, and fix libssl1.1, AVX, …

Omer Cakmak8 min read
linux

How to Install Terminator Terminal on Ubuntu

Install Terminator on Ubuntu with sudo apt install terminator from universe (2.1.4 on 25.04), verify with which terminator and dpkg, set the default x-terminal-emulator, split panes with Ctrl+Shift+O/E, and fix DISPLAY …

Omer Cakmak8 min read
linux

How to Install OpenCV on Ubuntu

Install OpenCV on Ubuntu with sudo apt install libopencv-dev python3-opencv (4.10.0 on 25.04), verify with import cv2 and pkg-config opencv4, use pip opencv-python in a venv for newer wheels, or build from source when …

Omer Cakmak6 min read
linux

How to Install Minecraft on Ubuntu

Install Minecraft Java Edition on Ubuntu from the official Minecraft.deb (launcher 2.1.3), openjdk-21-jre-headless, or the Minecraft.tar.gz binary: sign in with a Microsoft account, launch minecraft-launcher, and …

Omer Cakmak6 min read
linux

How to Install Maven on Ubuntu

Install Apache Maven on Ubuntu with openjdk-17-jdk or default-jdk, then sudo apt install maven (3.9.9 on 25.04): set JAVA_HOME, verify with mvn -version, install 3.9.16 from the official tarball when apt lags upstream, …

Omer Cakmak6 min read
linux

How to Install cURL on Ubuntu

Install cURL on Ubuntu with sudo apt install curl, verify with curl --version, fix curl not found and libcurl4t64 dependency errors, and prefer the native apt package over the community Snap for scripts and hidden paths.

Deepak Prasad6 min read