28allday
d972949159
- Replace eval with getent passwd to prevent command injection - Use glob array instead of parsing ls output for .deb detection - Handle multiple .deb files by selecting the newest one - Add fstab duplicate check to prevent duplicate entries on re-run - Validate mount point (must be absolute path) and filesystem type - Handle mount -a failure gracefully instead of killing the script - Add set -o pipefail Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
243 lines
9.6 KiB
Bash
Executable file
243 lines
9.6 KiB
Bash
Executable file
#!/usr/bin/env bash
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# ==============================================================================
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# Plex Media Server Installer with Drive Mount Setup
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#
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# A two-in-one setup script for building a Plex media server on Ubuntu or
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# Linux Mint. It handles the two things you always need to do when setting
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# up a new media server:
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#
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# Part A: Mount your media drive permanently (via /etc/fstab)
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# - Shows available drives/partitions
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# - Detects UUID for reliable mounting (doesn't break if device order changes)
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# - Adds the mount to /etc/fstab so it survives reboots
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#
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# Part B: Install Plex Media Server
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# - Installs from a .deb file you've downloaded to ~/Downloads/
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# - Handles dependencies automatically
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# - Enables the Plex service to start on boot
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# - Opens port 32400 in the firewall (UFW)
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#
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# Prerequisites:
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# - Ubuntu 20.04+ or Linux Mint 20+
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# - An external or internal drive for media storage
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# - Plex .deb file downloaded to ~/Downloads/
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# (download from https://www.plex.tv/media-server-downloads/)
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# - Run with sudo: sudo ./plexint.sh
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# ==============================================================================
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set -eo pipefail # Exit immediately if any command fails; catch pipe failures too
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# Root is required because this script modifies /etc/fstab (system mount
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# config), installs packages with apt, and manages systemd services.
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if [[ $EUID -ne 0 ]]; then
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echo "ERROR: This script must be run with sudo (root privileges)."
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exit 1
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fi
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echo "======================================================="
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echo " Combined Setup: Drive Mount + Plex Installation"
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echo "======================================================="
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echo
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# ==================== Part A: Drive Mount Setup ====================
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#
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# Most media servers need a dedicated drive for storing movies, TV shows,
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# music, etc. This section helps mount that drive permanently so it's
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# available after every reboot.
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#
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# We use lsblk to show available drives, then ask the user to pick one.
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# The mount is configured via /etc/fstab using the drive's UUID (not the
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# device path like /dev/sdb1) because device paths can change if you add
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# or remove drives, but UUIDs are permanent identifiers.
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echo "-----------------------------"
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echo " Part A: Drive Mount Setup"
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echo "-----------------------------"
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echo
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echo "Below are the available drives/partitions on your system:"
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echo
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# Show drives with their sizes, types, current mount points, and filesystem
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# types. The -p flag shows full device paths (e.g. /dev/sdb1 not just sdb1).
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lsblk -p -o NAME,SIZE,TYPE,MOUNTPOINT,FSTYPE
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echo
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echo "Which device/partition would you like to mount? (e.g. /dev/sdb1)"
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read -rp "Device path: " DEVICE_PATH
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# Validate the device
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if [[ ! -b "$DEVICE_PATH" ]]; then
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echo "ERROR: '$DEVICE_PATH' is not a valid block device."
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echo "Aborting drive-mount portion."
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echo
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else
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# Try to get the drive's UUID using blkid. UUID is preferred over device
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# paths in /etc/fstab because /dev/sdX names can change between reboots
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# (e.g. if you plug in a USB drive before the media drive). UUIDs are
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# unique identifiers burned into the filesystem and never change.
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UUID_FOUND=$(blkid -s UUID -o value "${DEVICE_PATH}" 2>/dev/null || true)
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if [[ -z "$UUID_FOUND" ]]; then
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echo "WARNING: Could not detect a UUID for '${DEVICE_PATH}'."
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echo "We will use the device path directly in /etc/fstab (less reliable)."
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DEVICE_IDENTIFIER="${DEVICE_PATH}"
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else
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echo "Found UUID for ${DEVICE_PATH}: ${UUID_FOUND}"
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DEVICE_IDENTIFIER="UUID=${UUID_FOUND}"
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fi
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echo
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read -rp "Enter the mount point (e.g. /mnt/data): " MOUNT_POINT
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if [[ -z "$MOUNT_POINT" || "$MOUNT_POINT" != /* ]]; then
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echo "ERROR: Mount point must be an absolute path (e.g. /mnt/data)."
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exit 1
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fi
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if [[ ! -d "$MOUNT_POINT" ]]; then
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echo "Creating mount point directory: ${MOUNT_POINT}"
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mkdir -p "$MOUNT_POINT"
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fi
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echo
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read -rp "Enter the file system type (e.g., ext4, ntfs, xfs, exfat): " FS_TYPE
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if [[ -z "$FS_TYPE" || "$FS_TYPE" =~ [[:space:]] ]]; then
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echo "ERROR: Invalid filesystem type."
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exit 1
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fi
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# If exfat is chosen, assume the system has exFAT support already (e.g., Ubuntu 20.04+).
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if [[ "$FS_TYPE" == "exfat" ]]; then
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echo "User selected exFAT. Assuming native exFAT support on this Ubuntu-based system."
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echo "No additional exFAT packages will be installed."
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fi
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# Build the fstab entry. "defaults" enables standard mount options
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# (read/write, auto-mount, etc.). The "0 2" at the end means:
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# 0 = don't include in dump backups
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# 2 = fsck checks this drive second (after the root filesystem)
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MOUNT_OPTS="defaults"
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FSTAB_LINE="${DEVICE_IDENTIFIER} ${MOUNT_POINT} ${FS_TYPE} ${MOUNT_OPTS} 0 2"
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echo
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echo "The following line will be added to /etc/fstab:"
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echo "----------------------------------------------"
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echo "${FSTAB_LINE}"
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echo "----------------------------------------------"
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read -rp "Proceed with adding to /etc/fstab? (y/n): " CONFIRM_MOUNT
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if [[ "$CONFIRM_MOUNT" =~ ^[Yy]$ ]]; then
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# Check if this device/UUID is already in fstab to prevent duplicates
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if grep -qF "$DEVICE_IDENTIFIER" /etc/fstab; then
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echo "WARNING: An entry for ${DEVICE_IDENTIFIER} already exists in /etc/fstab. Skipping."
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else
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echo "Adding line to /etc/fstab..."
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echo "${FSTAB_LINE}" >> /etc/fstab
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fi
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echo "Attempting to mount all file systems now (mount -a)..."
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if ! mount -a; then
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echo "WARNING: mount -a failed. Check the fstab entry. Continuing to Part B..."
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else
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echo "Drive mount process complete."
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fi
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else
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echo "Skipping drive mount configuration."
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fi
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fi
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# ==================== Part B: Plex Media Server Installation ====================
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#
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# Plex Media Server is a media streaming server that organises your movies,
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# TV shows, music, and photos and streams them to any device on your network
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# (or remotely over the internet).
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#
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# Plex distributes Linux packages as .deb files (for Debian/Ubuntu/Mint).
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# The user must download it manually from plex.tv because it requires
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# accepting their terms of service. We look for it in ~/Downloads/.
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echo
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echo "-----------------------------"
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echo " Part B: Plex Installation"
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echo "-----------------------------"
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echo
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read -rp "Would you like to install Plex Media Server now? (y/n): " INSTALL_PLEX
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if [[ "$INSTALL_PLEX" =~ ^[Yy]$ ]]; then
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# Figure out the real user's home directory. When running with sudo,
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# $USER is "root" but $SUDO_USER is the person who typed "sudo".
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# We need their Downloads folder, not root's.
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if [[ -n "$SUDO_USER" ]]; then
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ORIGINAL_USER="$SUDO_USER"
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else
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ORIGINAL_USER="$USER"
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fi
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DOWNLOADS_DIR="$(getent passwd "${ORIGINAL_USER}" | cut -d: -f6)/Downloads"
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# Update the package database and install prerequisites:
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# curl: For downloading files (used by Plex internally)
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# apt-transport-https: Allows apt to fetch packages over HTTPS
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# gnupg: GPG key handling for package verification
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echo "Updating package list..."
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apt-get update -y
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echo "Installing curl, apt-transport-https, gnupg..."
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apt-get install -y curl apt-transport-https gnupg
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# Look for the Plex .deb in the user's Downloads folder. The filename
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# typically looks like "plexmediaserver_1.40.0.1234-abcdef_amd64.deb".
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# We use a glob array instead of parsing ls output, which is safer for
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# filenames with spaces and gives us control over multiple matches.
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shopt -s nullglob
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plex_debs=("${DOWNLOADS_DIR}"/plexmediaserver*.deb)
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shopt -u nullglob
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if [[ ${#plex_debs[@]} -eq 0 ]]; then
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echo "ERROR: No 'plexmediaserver*.deb' file found in ${DOWNLOADS_DIR}."
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echo "Please place the downloaded Plex .deb file there and rerun if needed."
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else
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if [[ ${#plex_debs[@]} -gt 1 ]]; then
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echo "Multiple .deb files found. Using the newest one:"
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PLEX_DEB="$(ls -1t "${plex_debs[@]}" | head -n1)"
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else
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PLEX_DEB="${plex_debs[0]}"
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fi
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echo "Installing: ${PLEX_DEB}"
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# Install the .deb package. dpkg -i may fail if dependencies are missing
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# (it doesn't resolve them automatically). That's OK — apt-get -f install
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# runs right after and pulls in any missing dependencies, then retries
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# the failed package installation.
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dpkg -i "$PLEX_DEB" || true
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apt-get -f install -y
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# Enable the Plex service so it starts automatically on every boot,
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# and start it now so the user can access it immediately.
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echo "Enabling Plex Media Server on boot..."
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systemctl enable plexmediaserver.service
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echo "Starting Plex Media Server..."
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systemctl start plexmediaserver.service
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# Open port 32400 in the firewall. This is Plex's default web interface
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# port — without this, other devices on the network can't access the
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# server. UFW (Uncomplicated Firewall) is the standard firewall on
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# Ubuntu/Mint.
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echo "Installing ufw (if not installed) and allowing port 32400/tcp..."
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apt-get install -y ufw
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ufw allow 32400/tcp || true
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# Note: UFW is not enabled by default. Uncomment the line below if you
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# want to activate the firewall. Be careful — this will block all ports
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# except those explicitly allowed (like 32400 above and SSH port 22).
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# ufw enable
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echo
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echo "==========================================================="
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echo "Plex Media Server installation complete."
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echo "You can access Plex at: http://<server-ip>:32400/web"
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echo "==========================================================="
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fi
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else
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echo "Skipping Plex installation."
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fi
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echo
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echo "-----------------------------------------------------------"
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echo " All steps completed. Have a great day!"
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echo "-----------------------------------------------------------"
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