Latest Articles

Computer networks interview questions and computer networks basic interview questions for {year}: OSI, TCP/IP, DNS, HTTP/TLS, routing, NAT, and troubleshooting with elaborate answers.

Install Steam on Ubuntu with Valve official steam_latest.deb (recommended), sudo apt install steam-installer from multiverse, Snap, or Flatpak. Enable i386 multiarch, install GPU drivers, bootstrap the client on first …

List installed packages on Ubuntu with apt list --installed, dpkg -l, snap list, and apt-mark showmanual. Search one package, count totals, export a list for another machine, and check upgradable packages.

Install gpart on Ubuntu with sudo apt install gpart from universe, run a read-only scan when the MBR or partition table is damaged, use gpart on a live USB, and know how gpart differs from the GParted graphical editor.

Apache Kafka interview questions and answers for {year}: topics, partitions, consumer groups, acks, exactly-once, KRaft, and Java Spring Boot integration for experienced developers.

OOP and OOPs interview questions for {year}: four pillars, encapsulation, inheritance, polymorphism, SOLID, design patterns, Java OOPs specifics, and object-oriented design prep.

Install AWS CLI on Ubuntu with the official v2 Linux installer (recommended), sudo apt install awscli from universe, or the Amazon Snap. Configure with aws configure, verify with aws --version and aws sts …

Install Jellyfin on Ubuntu with the official apt repository on 22.04 and 24.04 LTS, or run jellyfin/jellyfin in Docker on Ubuntu 25.04 where noble-repo packages fail dependency checks. Enable systemd, open port 8096, and …

Install Fastfetch on Ubuntu with sudo apt install fastfetch from universe, or use the official GitHub .deb or tarball for the latest release. Configure presets, replace unmaintained Neofetch, and run fastfetch on login.

Apple does not ship iTunes for Linux. On Ubuntu use Apple Music in a browser, Rhythmbox or Amberol for local libraries, or experiment with legacy iTunes 12.x under Wine—expect instability, no iPhone sync, and …

Install the Google Chrome web browser on Ubuntu by downloading the official amd64 .deb from Google, run sudo apt install ./google-chrome-stable_current_amd64.deb, set Chrome as default, update with apt, and compare …

Django interview questions for experienced professionals in {year}: MVT lifecycle, ORM, migrations, middleware, DRF, security, Celery, async Django, and senior production scenario answers.

Install Joplin on Ubuntu with the official GitHub install script, Snap joplin-desktop, or Flatpak net.cozic.joplin_desktop from Flathub—launch the app, create your first notebook, sync notes, and fix libfuse2 AppImage …

Access Google Drive on Ubuntu through GNOME Online Accounts and the Files app, mount with rclone, use google-drive-ocamlfuse from a legacy PPA, or install the commercial Insync .deb—link your Google account and verify …

Install qBittorrent on Ubuntu with sudo apt install qbittorrent from universe, the official qbittorrent-stable PPA, or Flathub. Compare GUI vs qbittorrent-nox, avoid outdated Snap builds, accept the legal notice, and …

Install MusicBrainz Picard on Ubuntu from universe apt, the official MetaBrainz Snap, or the MusicBrainz stable PPA: verify with picard -V, tag your first album, and uninstall cleanly.

Install Redis on Ubuntu with sudo apt install redis-server from universe, or add the official packages.redis.io repo for Redis 8.x. Start redis-server with systemd, test with redis-cli ping, set a password, and harden …

Install OpenSSL on Ubuntu with apt (openssl and libssl-dev), verify with openssl version, understand when the distro package is enough versus building from source, and generate a test TLS key and certificate.

Selenium interview questions and answers for {year}: WebDriver architecture, Java, TestNG, locators, waits, Page Object Model, Grid, parallel execution, and SDET prep.

Pandas and python pandas interview questions for {year}: DataFrame, groupby, merge, cleaning, vectorization, time series, performance, and data analyst prep with answers.

Spring Boot interview questions for experienced and 10+ year Java developers in {year}: auto-configuration, JPA, Security, Actuator, testing, virtual threads, and senior scenario answers.

PostgreSQL interview questions, postgresql developer interview questions, and postgresql dba interview questions for {year}: MVCC, indexes, EXPLAIN, JSONB, vacuum, replication, and tuning with elaborate answers.

Kubernetes interview questions and answers, docker and kubernetes interview questions, and advanced kubernetes interview questions for {year}: pods, services, HPA, RBAC, networking, and production debugging.

Install Flask on Ubuntu inside a Python virtual environment with pip (recommended), or from the python3-flask apt package, verify with python -m flask --version, run a Hello World app with flask run, and uninstall per …

CSS interview questions, html css interview questions, and html and css interview questions for {year}: box model, specificity, flexbox, grid, responsive layout, and modern CSS with elaborate answers.

MongoDB interview questions and answers for {year}: BSON, schema design, indexing, aggregation, replica sets, sharding, transactions, and production troubleshooting prep.

Python developer interview questions for {year}: core language, OOP, decorators, GIL, asyncio, Django, FastAPI, full stack APIs, pytest, and senior production prep with sample answers.

Angular developer interview questions for {year}: signals, RxJS, standalone components, change detection, zoneless, forms, routing, DI, NgRx, performance, and senior architecture prep.

Azure developer and cloud developer interview questions for {year}: Entra ID, App Service, Functions, AKS, storage, networking, Bicep, CI/CD, and experienced developer scenario prep with sample answers.

iOS developer interview questions for {year}: Swift, SwiftUI, UIKit, ARC, async/await, actors, MVVM, networking, Core Data, XCTest, and Apple/Google iOS loop prep with sample answers.