Deepak Prasad

Install Java on Debian 11, 12, or 13 with apt install openjdk-21-jdk or openjdk-25-jdk, default-jdk metapackages, Eclipse Temurin from Adoptium, and update-java-alternatives. Set JAVA_HOME, verify java -version, compile …

Install Wine on Debian 11, 12, or 13 with apt install wine and i386 multiarch, add the WineHQ repository for winehq-stable or staging, initialize a WINEPREFIX with wineboot, use winetricks for runtimes, and uninstall …

Install Firefox on Debian 11, 12, or 13 with firefox-esr from Debian, the official Mozilla APT repository for the latest release, Snap, Flatpak, or a .tar.xz from firefox.com. Verify versions, set the default browser, …

Install the latest Python on Debian 11, 12, or 13 without breaking system python3: use apt for the distro version, uv or pyenv for upstream releases, or make altinstall from python.org. Create a venv, verify with python …

Install sudo on Debian 11, 12, or 13 with apt install sudo, add your user to the sudo group, verify with sudo -l, and edit sudoers safely with visudo. Covers minimal installs without sudo, su as root, and fixing common …

Install Eclipse Temurin on Debian 11, 12, or 13 with the Adoptium APT repository, a manual .tar.gz under /opt, or update-alternatives. Switch JDKs with update-java-alternatives, set JAVA_HOME, verify with java -version, …

Install Git on Debian 11, 12, or 13 with sudo apt install git, optionally pull a newer release from backports or build from the official kernel.org tarball, set user.name and user.email, verify with git --version, update …

Install Node.js on Debian 11, 12, or 13 with apt install nodejs npm, switch versions with nvm, or unpack official nodejs.org Linux binaries. Configure npm, create a package.json project, run scripts with node and npx, …

Install Steam on Debian 11, 12, or 13 with steam-installer from contrib, Valve steam_latest.deb or repo.steampowered.com APT repo, Snap, or Flathub. Enable i386 multiarch, install steam-devices for controllers, bootstrap …

Install Google Chrome on Debian 11, 12, or 13 amd64 with the official google-chrome-stable_current_amd64.deb or Google signed APT repository, verify with google-chrome --version, set the default browser, update through …

List installed packages on Debian with apt list --installed, dpkg -l, dpkg-query, and apt-mark showmanual. Search one package, count totals, list Snap and Flatpak apps, export names for another machine, and read apt or …

Install eza on Debian 11, 12, or 13 with apt install eza, the deb.gierens.de APT repository for newer releases, or cargo install eza with rustup. Verify with eza --version, set ls aliases, use tree and Git listings, and …

Install Android Studio on Debian 11, 12, or 13 amd64 with the official Linux tarball from developer.android.com, Snap classic, or Flathub. Run the Setup Wizard, configure the Android SDK, prepare KVM for the emulator, …

Install a deb file on Debian with sudo apt install ./package.deb, fix dependencies with apt install -f after dpkg -i, use gdebi, inspect packages with dpkg-deb, and troubleshoot wrong path, conflicts, and architecture …

Apple does not ship iTunes or Apple Music for Linux. On Debian 11, 12, or 13 use Sidra (recommended .deb desktop client), music.apple.com in a browser, Sidra Snap or AppImage, or Rhythmbox for local files only. Avoid the …

Install Proxmox VE on Debian 12 Bookworm or Debian 13 Trixie from the official pve-no-subscription repository: fix /etc/hosts, add the signed repo, install proxmox-default-kernel, install proxmox-ve, remove the Debian …

Install Yazi on Ubuntu from the official GitHub .deb, a zip binary, Snap, or an APT repo; pull in preview dependencies like fd, ripgrep, and fzf; fix the fd-find name on Ubuntu; launch yazi, and uninstall cleanly.

Fix sudo add-apt-repository command not found on Ubuntu and Debian by installing software-properties-common, verify the binary, add or remove PPAs and third-party repos, and use manual sources.list.d when the helper is …

Explore solutions to the Docker error 'can only create exec sessions on running containers: container state improper.

Learn how to keep a Docker container running using multiple methods like TTY mode, entrypoint, sleep infinity, and process management. Fix containers exiting immediately with practical examples and best practices.

Learn how to override Docker ENTRYPOINT and CMD using docker run options. Understand the difference between ENTRYPOINT and CMD with practical examples and best practices.

Learn how to use docker ps -a to list all containers including stopped ones. Explore examples, filters, and output details to manage Docker containers effectively.

There are 3 different possible methods to perform docker container SSH. Using docker exec, docker attach and by running a SSHD service inside a container and using SSH client to connect to container

Docker restart container using various flags to control the restart behavior of the container

handle different condition in dockerfile such as docker file if else condition, arg conditions, ARG vs ENV comparison with examples

How to create shared folder using Oracle VirtualBox with Linux Operating System? Can I share a folder from Windows host to Linux OS inside Oracle Virtual Box?

Tutorial Manage Docker Container. Download Docker Image from Docker Hub. How to connect and exit from docker container query docker hub and check logs

Install psql on Debian 11, 12, or 13 with postgresql-client from main archives (no server), or add the PostgreSQL Apt Repository for postgresql-client-18 and other majors. Verify with psql --version, connect remotely, …

Install Docker Engine on Debian 11, 12, or 13 from the official Docker CE APT repository with deb822 sources, or use Debian docker.io. Includes Compose V2, Buildx, docker group access, hello-world verification, upgrade, …

Install jq on Ubuntu with sudo apt install jq, verify with jq --version, pretty-print and filter JSON from files and curl output, fix Unable to locate package jq with apt update, and optionally install jq 1.8.x from …