diff --git a/linux-managements/setup-snapper.sh b/linux-managements/setup-snapper.sh
new file mode 100644
index 0000000..61152ef
--- /dev/null
+++ b/linux-managements/setup-snapper.sh
@@ -0,0 +1,308 @@
+#!/bin/bash
+set -euo pipefail
+
+# ─── Color helpers ────────────────────────────────────────────────────────────
+RED='\033[0;31m'; GREEN='\033[0;32m'; YELLOW='\033[1;33m'
+BLUE='\033[0;34m'; CYAN='\033[0;36m'; BOLD='\033[1m'; NC='\033[0m'
+
+info()    { echo -e "${CYAN}[INFO]${NC} $*"; }
+success() { echo -e "${GREEN}[OK]${NC}   $*"; }
+warn()    { echo -e "${YELLOW}[WARN]${NC} $*"; }
+error()   { echo -e "${RED}[ERR]${NC}  $*" >&2; }
+step()    { echo -e "\n${BOLD}${BLUE}══ $* ${NC}"; }
+
+# ─── Sudo Keepalive ───────────────────────────────────────────────────────────
+ensure_sudo() {
+    if ! sudo -v 2>/dev/null; then
+        error "This script requires sudo access"
+        exit 1
+    fi
+    ( while true; do sudo -n true 2>/dev/null; sleep 50; done ) &
+    SUDO_KEEPALIVE_PID=$!
+}
+
+# ─── OS Detection ─────────────────────────────────────────────────────────────
+detect_os() {
+    if [ -f /etc/os-release ]; then
+        . /etc/os-release
+        OS_ID="${ID:-unknown}"
+        OS_ID_LIKE="${ID_LIKE:-}"
+    else
+        error "Cannot detect OS (no /etc/os-release found)"
+        exit 1
+    fi
+
+    case "$OS_ID" in
+        aosc)   DISTRO="aosc" ;;
+        debian) DISTRO="debian" ;;
+        ubuntu) DISTRO="ubuntu" ;;
+        fedora) DISTRO="fedora" ;;
+        *)
+            case "$OS_ID_LIKE" in
+                *debian*) DISTRO="debian" ;;
+                *fedora*|*rhel*) DISTRO="fedora" ;;
+                *) error "Unsupported distro: $OS_ID"; exit 1 ;;
+            esac
+            ;;
+    esac
+    info "Detected distro: ${BOLD}$DISTRO${NC} (ID=$OS_ID)"
+}
+
+# ─── Install Snapper ──────────────────────────────────────────────────────────
+install_snapper() {
+    step "Installing Snapper"
+
+    if command -v snapper &>/dev/null; then
+        success "snapper already installed ($(snapper --version 2>&1 | head -1))"
+        return
+    fi
+
+    info "Installing snapper ..."
+    case "$DISTRO" in
+        aosc)           sudo oma install -y snapper ;;
+        debian|ubuntu)  sudo apt-get update -qq && sudo apt-get install -y snapper ;;
+        fedora)         sudo dnf install -y snapper ;;
+    esac
+    success "snapper installed"
+}
+
+# ─── List Btrfs Subvolumes ────────────────────────────────────────────────────
+list_btrfs_mounts() {
+    # Returns sorted list of mount points that are btrfs
+    findmnt -t btrfs -n -o TARGET 2>/dev/null | sort
+}
+
+# ─── Select Subvolumes Interactively ─────────────────────────────────────────
+select_subvolumes() {
+    step "Select Subvolumes to Snapshot"
+
+    local mounts
+    mapfile -t mounts < <(list_btrfs_mounts)
+
+    if [ ${#mounts[@]} -eq 0 ]; then
+        error "No btrfs subvolumes found mounted on this system"
+        exit 1
+    fi
+
+    echo "Mounted btrfs filesystems:"
+    echo ""
+    for i in "${!mounts[@]}"; do
+        local subvol device
+        subvol=$(findmnt -n -o OPTIONS "${mounts[$i]}" 2>/dev/null \
+            | tr ',' '\n' | grep '^subvol=' | head -1 | sed 's/subvol=//' || echo "(default)")
+        device=$(findmnt -n -o SOURCE "${mounts[$i]}" 2>/dev/null || echo "?")
+        printf "  %2d)  %-25s  subvol=%-20s  %s\n" \
+            "$((i+1))" "${mounts[$i]}" "$subvol" "$device"
+    done
+    echo ""
+
+    SELECTED_MOUNTS=()
+    read -rp "Enter numbers to snapshot (e.g. 1 2 3, or 'all'): " selection
+
+    if [ "$selection" = "all" ]; then
+        SELECTED_MOUNTS=("${mounts[@]}")
+    else
+        for num in $selection; do
+            if [[ "$num" =~ ^[0-9]+$ ]] && [ "$num" -ge 1 ] && [ "$num" -le "${#mounts[@]}" ]; then
+                SELECTED_MOUNTS+=("${mounts[$((num-1))]}")
+            else
+                warn "Invalid selection: $num, skipping"
+            fi
+        done
+    fi
+
+    if [ ${#SELECTED_MOUNTS[@]} -eq 0 ]; then
+        error "No valid subvolumes selected"
+        exit 1
+    fi
+
+    info "Selected: ${SELECTED_MOUNTS[*]}"
+}
+
+# ─── Derive Config Name from Mount Point ─────────────────────────────────────
+config_name_from_mount() {
+    local mount="$1"
+    if [ "$mount" = "/" ]; then
+        echo "root"
+    else
+        # /home -> home, /var/data -> var-data
+        echo "${mount#/}" | tr '/' '-'
+    fi
+}
+
+# ─── Write Snapper Config ─────────────────────────────────────────────────────
+write_snapper_config() {
+    local mount="$1"
+    local name="$2"
+    local config_file="/etc/snapper/configs/$name"
+
+    sudo tee "$config_file" > /dev/null << EOF
+# snapper config for server (daily snapshots)
+
+# subvolume to snapshot
+SUBVOLUME="$mount"
+
+# filesystem type
+FSTYPE="btrfs"
+
+# btrfs qgroup for space aware cleanup algorithms
+QGROUP=""
+
+# fraction or absolute size of the filesystem space snapshots may use
+SPACE_LIMIT="0.3"
+
+# fraction or absolute size of the filesystem space that should be free
+FREE_LIMIT="0.15"
+
+# users and groups allowed to work with config
+ALLOW_USERS=""
+ALLOW_GROUPS=""
+
+# sync users and groups from ALLOW_USERS and ALLOW_GROUPS to .snapshots directory
+SYNC_ACL="no"
+
+# start comparing pre- and post-snapshot in background after creating post-snapshot
+BACKGROUND_COMPARISON="yes"
+
+# run daily number cleanup
+NUMBER_CLEANUP="yes"
+
+# minimum age in seconds before a snapshot may be deleted by cleanup
+NUMBER_MIN_AGE="3600"
+
+# keep at most this many numbered snapshots
+NUMBER_LIMIT="20"
+
+# keep at most this many important numbered snapshots
+NUMBER_LIMIT_IMPORTANT="5"
+
+# timeline snapshots (automatic snapshots)
+TIMELINE_CREATE="yes"
+
+# cleanup timeline snapshots after some time
+TIMELINE_CLEANUP="yes"
+
+# minimum age in seconds before timeline snapshots may be deleted
+TIMELINE_MIN_AGE="3600"
+
+# no hourly snapshots retained
+TIMELINE_LIMIT_HOURLY="0"
+
+# keep 14 daily snapshots (last 2 weeks)
+TIMELINE_LIMIT_DAILY="14"
+
+# keep 4 weekly snapshots (last month)
+TIMELINE_LIMIT_WEEKLY="4"
+
+# keep 6 monthly snapshots (last 6 months)
+TIMELINE_LIMIT_MONTHLY="6"
+
+# no quarterly snapshots
+TIMELINE_LIMIT_QUARTERLY="0"
+
+# keep 2 yearly snapshots
+TIMELINE_LIMIT_YEARLY="2"
+
+# cleanup empty pre-post pairs
+EMPTY_PRE_POST_CLEANUP="yes"
+
+# minimum age in seconds before empty pre-post pairs may be deleted
+EMPTY_PRE_POST_MIN_AGE="3600"
+EOF
+}
+
+# ─── Apply Snapper Config for a Mount Point ───────────────────────────────────
+apply_snapper_config() {
+    local mount="$1"
+    local name
+    name=$(config_name_from_mount "$mount")
+
+    step "Configuring snapper for $mount (config: $name)"
+
+    # Check if config already exists
+    if sudo snapper list-configs 2>/dev/null | awk 'NR>1 {print $1}' | grep -qw "$name"; then
+        warn "Config '$name' already exists, overwriting policy settings ..."
+        write_snapper_config "$mount" "$name"
+    else
+        info "Creating snapper config '$name' for $mount ..."
+        sudo snapper -c "$name" create-config "$mount"
+        success "Config '$name' created"
+        info "Applying snapshot policy ..."
+        write_snapper_config "$mount" "$name"
+    fi
+
+    success "Policy applied to config '$name'"
+}
+
+# ─── Enable Snapper Systemd Timers ───────────────────────────────────────────
+enable_timers() {
+    step "Enabling Snapper Timers"
+
+    local timers=("snapper-timeline.timer" "snapper-cleanup.timer")
+    for timer in "${timers[@]}"; do
+        if systemctl list-unit-files "$timer" 2>/dev/null | grep -q "$timer"; then
+            sudo systemctl enable --now "$timer"
+            success "$timer enabled and started"
+        else
+            warn "$timer not found — snapper timers may need manual setup on this distro"
+        fi
+    done
+}
+
+# ─── Snapshot Test ────────────────────────────────────────────────────────────
+test_snapshot() {
+    local mount="$1"
+    local name
+    name=$(config_name_from_mount "$mount")
+
+    step "Snapshot Test — $mount (config: $name)"
+
+    info "Creating test snapshot ..."
+    local snap_num
+    snap_num=$(sudo snapper -c "$name" create --description "snapper-setup-test" --print-number)
+    success "Snapshot #$snap_num created"
+
+    info "Current snapshots for '$name':"
+    sudo snapper -c "$name" list
+
+    info "Deleting test snapshot #$snap_num ..."
+    sudo snapper -c "$name" delete "$snap_num"
+    success "Test snapshot deleted — snapshot test passed"
+}
+
+# ─── Main ─────────────────────────────────────────────────────────────────────
+main() {
+    echo -e "${BOLD}${CYAN}"
+    echo "╔══════════════════════════════════════════╗"
+    echo "║        Snapper Auto Configuration        ║"
+    echo "╚══════════════════════════════════════════╝"
+    echo -e "${NC}"
+
+    detect_os
+    ensure_sudo
+    install_snapper
+    select_subvolumes
+
+    for mount in "${SELECTED_MOUNTS[@]}"; do
+        apply_snapper_config "$mount"
+    done
+
+    enable_timers
+
+    for mount in "${SELECTED_MOUNTS[@]}"; do
+        test_snapshot "$mount"
+    done
+
+    # Stop sudo keepalive
+    if [ -n "${SUDO_KEEPALIVE_PID:-}" ]; then
+        kill "$SUDO_KEEPALIVE_PID" 2>/dev/null || true
+    fi
+
+    echo ""
+    echo -e "${BOLD}${GREEN}══ Snapper configuration complete! ══${NC}"
+    info "Timeline snapshots will run automatically via systemd timers"
+    info "View snapshots:  sudo snapper list"
+    info "Manual snapshot: sudo snapper -c <config> create --description 'my-snapshot'"
+}
+
+main "$@"