Ubuntu tutorials

Install Fastfetch on Ubuntu 24.04 and 22.04 with the maintainer PPA or official GitHub .deb when apt has no archive package, verify fastfetch --version, and try the Neofetch preset.

Install Fastfetch on Ubuntu 26.04 from the universe repository with apt, verify fastfetch --version, try the Neofetch preset, and optionally run it when a terminal opens.

Install TigerVNC 1.13 on Ubuntu 24.04 (or 1.12 on 22.04) with XFCE, store the VNC password under ~/.vnc/, map display :1 in vncserver.users, start tigervncserver@:1.service, and connect through an SSH tunnel on port …

Install TigerVNC 1.15 on Ubuntu 26.04 with XFCE, set a VNC password, map display :1 in vncserver.users, start the packaged tigervncserver service, and connect through an SSH tunnel on port 5901.

Install PostgreSQL 14 on Ubuntu 22.04 from the default apt repository or PGDG, verify the cluster with pg_lsclusters, create an application user and database, and enable SCRAM-SHA-256 remote access with UFW and …

Install PostgreSQL 16 on Ubuntu 24.04 from the default apt repository or PGDG, verify the cluster with pg_lsclusters, create an application user and database, and enable SCRAM-SHA-256 remote access with UFW and …

Install ImageMagick 7 on Ubuntu 26.04 with apt, verify with magick, run a quick conversion test, add Ghostscript for PDF, edit policy.xml on trusted workloads, and remove the package when finished.

Mount Google Drive on Ubuntu 26.04 with rclone and FUSE3 after GNOME removed Files integration, optionally autostart with a user systemd unit, and choose mount vs sync or Insync.

Install ImageMagick 6 on Ubuntu 24.04 and 22.04 with apt, verify with convert and identify, add Ghostscript for PDF, adjust policy.xml on trusted workloads, and remove the packages when you are done.

Install Python 3.11 on Ubuntu 26.04, 24.04, or 22.04 using Deadsnakes, uv, or pyenv without replacing Ubuntu's system python3—create a 3.11 venv, verify pip, update safely, and troubleshoot common package issues.

Install Python 3.12 on Ubuntu 26.04, 24.04, or 22.04 using Ubuntu APT, Deadsnakes, uv, or pyenv without replacing the system Python—create a 3.12 venv, verify pip, update safely, and troubleshoot common issues.

Install Python 3.13 on Ubuntu 26.04, 24.04, or 22.04 with Deadsnakes, keep system python3 unchanged, and create an isolated Python 3.13 virtual environment.

Install or use Python 3.14 on Ubuntu—already the 26.04 default via apt, or Deadsnakes on 24.04 and 22.04—without replacing system python3, with venv and verification.

Install Python 3.15 on Ubuntu 26.04, 24.04, or 22.04 with Deadsnakes, uv, or pyenv without replacing system python3—verify apt sources, create a 3.15 venv, update, uninstall, and troubleshoot.

Install the latest stable Python on Ubuntu 26.04, 24.04, or 22.04 without replacing system python3. Compare Deadsnakes, pyenv, uv, and safe source installs with venv.

Install PostgreSQL 18 on Ubuntu 26.04 from the default apt repository or PGDG, verify the cluster with pg_lsclusters, create an application user and database, and enable SCRAM-SHA-256 remote access with UFW and …

Add Google Drive to Ubuntu 24.04 and 22.04 Files with Settings and Online Accounts, see how that differs from Windows-style sync, and when to use rclone or Insync instead.

Install NVIDIA CUDA on Ubuntu 22.04 with the ubuntu2204 APT repository, match the proprietary driver to your GPU, set PATH for nvcc, and verify toolkit vs nvidia-smi.

Install NVIDIA CUDA on Ubuntu 24.04 with the ubuntu2404 APT repository, match the proprietary driver to your GPU, set PATH for nvcc, and verify toolkit vs nvidia-smi.

Install NVIDIA CUDA on Ubuntu 26.04 from multiverse cuda-toolkit or NVIDIA ubuntu2604 APT repository, match the driver, set PATH for nvcc, and verify with nvidia-smi and a compile test.

Install Apache Maven on Ubuntu 26.04, 24.04, or 22.04 with a JDK and APT, use Maven Wrapper when available, or install Maven 3.10 from Apache with checksum verification.

Install penetration-testing and security tools from Ubuntu 26.04 or 24.04 apt first. Do not add kali-rolling to Ubuntu—use official upstream releases or a Kali VM or container when you need Kali-only packages.

Install Joplin Desktop on Ubuntu 26.04, 24.04, or 22.04 with the official Linux installer, Snap, or Flatpak, then create a notebook, configure sync, update, and uninstall safely.

Remove extra Python 3.11–3.15 on Ubuntu 22.04, 24.04, or 26.04 safely—uninstall Deadsnakes packages, delete source altinstall files, clean pyenv and uv, and keep Ubuntu system python3 working.

Install Jellyfin on Ubuntu 26.04 or 24.04 from the official APT repository, complete the web setup wizard on port 8096, grant read access to media with ACLs, and stream from phones and TVs on your LAN.

Apple does not ship iTunes for Linux. On Ubuntu 26.04 or 24.04, use Apple Music in a browser, Rhythmbox for local files, and Apple Devices on Windows or Finder on macOS for iPhone backup and sync—not Wine as a supported …

Install gpart on Ubuntu 26.04, 24.04, or 22.04 from Universe, distinguish gpart from GParted, check MBR vs GPT, and safely scan lost partitions without writing a guessed table.

Install Google Chrome on Ubuntu 26.04 or 24.04 by downloading the official amd64 or arm64 deb from Google, run sudo apt install on the local package, verify with google-chrome --version, and keep the browser updated …

Install Flask on Ubuntu 26.04, 24.04, or 22.04 with Python venv and pip, verify Flask, run a Hello World app, and compare pip with python3-flask from APT.

Install Dropbox on Ubuntu 26.04 and 24.04 using the official desktop package or headless Linux daemon, link your account, verify file sync, and fix common tray and filesystem issues.