Linux Tutorials and Command Line Guides - Page 14

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 Plex Media Server on Debian 11, 12, or 13 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, …

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 …

Ubuntu is a free and open-source operating system that is widely used in desktops and servers. It is known for its stability, security, and ease of use. One

In this tutorial we will share steps and different methods to install EPE repo in Rocky Linux

Install NordVPN on Ubuntu with the official install.sh script or Snap, add your user to the nordvpn group, log in with nordvpn login, connect with nordvpn connect, and fix Permission denied nordvpnd.sock and LAN …

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?

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, …

Remove unused packages on Ubuntu with apt autoremove for orphaned dependencies, apt clean and autoclean for download cache, purge rc config leftovers, protect apps with apt-mark manual, and prune old Snap …

Install Wireshark on Ubuntu with sudo apt install wireshark from universe, allow non-root capture via wireshark-common debconf, add your user to the wireshark group, and optionally install tshark for CLI-only capture on …

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 …

Install zlib on Ubuntu with sudo apt install zlib1g-dev for headers and pkg-config, fix configure could not find the zlib library and zlib.h not found errors, verify with pkg-config --modversion zlib, and optionally …

Install NVM on Ubuntu with the official install.sh script, load it in bash or zsh, install LTS Node.js with nvm install --lts, switch versions with nvm use, set a default alias, and fix nvm command not found and Snap …

Install Slack on Ubuntu with Slack Packagecloud APT repo, official slack-desktop .deb from slack.com, or sudo snap install slack. Launch with slack, update per method, and remove only one desktop package at a time.

Repair Debian after a power outage using a symptom-first decision tree: fix emergency mode and fstab, run fsck on unmounted ext4, reinstall GRUB on BIOS or UEFI, rebuild initramfs, recover interrupted apt/dpkg, and know …

Install Rscript on Ubuntu with sudo apt install r-base from universe, optionally add the CRAN apt repository on supported LTS releases, verify with Rscript --version, run example.R from the shell or cron, and uninstall …

Install Grafana on Ubuntu 25.04 from the official apt.grafana.com repository or a .deb package: import the GPG key, enable grafana-server, open port 3000, log in as admin, and verify with curl and /api/health.