A portable Bash script to safely update all major package managers on any Linux distribution. It supports APT, DNF, YUM, Pacman, Zypper, APK, Emerge, Nix, Snap, Flatpak, and Homebrew. The script automatically detects the operating system and available package managers, then runs updates only for those present on the system. Ideal for keeping you…

update-everything.sh

#!/bin/bash

set -e

# Function to print a section header
section() {
  echo
  echo "🔹 $1"
}

# Detect OS from /etc/os-release
detect_distro() {
  if [[ -f /etc/os-release ]]; then
    . /etc/os-release
    DISTRO_NAME=$NAME
    DISTRO_ID=$ID
    echo "🖥️ Detected OS: $DISTRO_NAME ($DISTRO_ID)"
  else
    echo "⚠️ Cannot detect OS version. /etc/os-release not found."
    DISTRO_NAME="unknown"
    DISTRO_ID="unknown"
  fi
}

# Begin script
echo "🔄 Starting full system update..."
detect_distro

# === APT ===
if command -v apt &> /dev/null; then
  section "Updating APT packages..."
  sudo apt update
  sudo apt upgrade -y
  sudo apt autoremove -y
  sudo apt autoclean -y
fi

# === DNF ===
if command -v dnf &> /dev/null; then
  section "Updating DNF packages..."
  sudo dnf upgrade --refresh -y
  sudo dnf autoremove -y
fi

# === YUM ===
if command -v yum &> /dev/null; then
  section "Updating YUM packages..."
  sudo yum update -y
fi

# === Pacman ===
if command -v pacman &> /dev/null; then
  section "Updating Pacman packages..."
  sudo pacman -Syu --noconfirm
fi

# === Zypper ===
if command -v zypper &> /dev/null; then
  section "Updating Zypper packages..."
  sudo zypper refresh
  sudo zypper update -y
fi

# === Alpine / APK ===
if command -v apk &> /dev/null; then
  section "Updating APK packages (Alpine)..."
  sudo apk update
  sudo apk upgrade
fi

# === Gentoo / Emerge ===
if command -v emerge &> /dev/null; then
  section "Updating Emerge packages (Gentoo)..."
  sudo emerge --sync
  sudo emerge --update --deep --with-bdeps=y @world
fi

# === Nix / NixOS ===
if command -v nix-env &> /dev/null; then
  section "Updating Nix packages..."
  nix-channel --update
  nix-env -u '*'
fi

# === Snap ===
if command -v snap &> /dev/null; then
  section "Updating Snap packages..."
  sudo snap refresh
fi

# === Flatpak ===
if command -v flatpak &> /dev/null; then
  section "Updating Flatpak packages..."
  flatpak update -y
fi

# === Homebrew ===
if command -v brew &> /dev/null; then
  section "Updating Homebrew packages..."
  brew update
  brew upgrade
  brew cleanup
fi

echo
echo "✅ All available package managers have been updated successfully!"

💡 Features

• ✅ Cross-distro support: Works with Debian, Ubuntu, Fedora, RHEL, CentOS, Arch, Manjaro, openSUSE, Alpine, Gentoo, and NixOS.
• 📦 Supports 11 package managers: apt, dnf, yum, pacman, zypper, apk, emerge, nix-env, snap, flatpak, and brew.
• 🔍 Auto-detection: Automatically detects your Linux distribution and available package managers.
• 🧹 Cleanup included: Performs post-update cleanup for APT, Homebrew, and DNF.
• 🔒 Safe operations: Uses apt upgrade instead of dist-upgrade to avoid disruptive upgrades.
• ⚙️ Modular & extensible: Easy to add more logic for distro-specific updates.

---

🚀 Usage

Download and run:

chmod +x update-everything.sh
./update-everything.sh

Or run directly from Gist in one line:

bash <(curl -s https://gist.githubusercontent.com/lamngockhuong/d6b4b036265a6c1a8daa9ff57d0e28ba/raw/0aa3b658b3606ad8dd1337069d284a040b6ffa8f/update-everything.sh)

Note: Most package managers (APT, DNF, Snap, etc.) require sudo access.