diff --git a/apps/nginx/module-installer.py b/apps/nginx/module-installer.py
new file mode 100644
index 0000000..68ed58e
--- /dev/null
+++ b/apps/nginx/module-installer.py
@@ -0,0 +1,93 @@
+#!/usr/bin/env python3
+import json
+import subprocess
+import sys
+
+# Compatibility with Angie
+exec_name = "nginx"
+
+
+def get_nginx_info() -> tuple[str | None, str | None]:
+    try:
+        output = subprocess.check_output(
+            [exec_name, "-V"], stderr=subprocess.STDOUT
+        ).decode("utf-8")
+        version: str | None = None
+        module_path: str | None = None
+        for line in output.splitlines():
+            if line.startswith(f"{exec_name} version:"):
+                # Output is: nginx version: nginx/1.24.0 (Ubuntu)
+                version = line.split("/")[1].split(" ")[0].strip()
+            elif "--modules-path=" in line:
+                # Output is: configure arguments: ... --modules-path=/usr/lib/nginx/modules ...
+                module_path = line.split("--modules-path=")[1].split(" ")[0].strip()
+        if version and module_path:
+            print(f"Nginx version: {version}")
+            print(f"Nginx modules path: {module_path}")
+        return version, module_path
+    except Exception as e:
+        print(f"Error getting Nginx version: {e}")
+        return (None, None)
+
+
+def download_and_unpack(url: str) -> str:
+    print(f"Downloading '{url}'...")
+    file_name = url.split("/")[-1]
+    subprocess.call(["wget", url])
+    print("Unpacking...")
+    subprocess.call(["tar", "zxvf", file_name])
+    file_name_without_ext = file_name.rsplit(".", 2)[0]  # Remove .tar.gz
+    print(f"Download and unpack complete: {file_name} to {file_name_without_ext}")
+    return file_name_without_ext
+
+
+def main():
+    config_file = "ngx_modules.json"
+    for arg in sys.argv[1:]:
+        if arg.startswith("--config="):
+            config_file = arg.split("--config=")[1]
+        elif arg == "--angie":
+            print("Angie compatibility mode enabled")
+            global exec_name
+            exec_name = "angie"
+    print(f"Using config file: {config_file}")
+    config = json.load(open(config_file))
+    version, module_path = get_nginx_info()
+    if not version or not module_path:
+        print("Could not determine Nginx version or modules path. Exiting.")
+        return
+    source_dir = None
+    nginx_url = None
+    if exec_name == "nginx":
+        nginx_url = f"http://nginx.org/download/nginx-{version}.tar.gz"
+    elif exec_name == "angie":
+        nginx_url = ""
+    else:
+        print(f"Unknown executable name: {exec_name}. Exiting.")
+        return
+    print("Downloading and unpacking Nginx source code...")
+    source_dir = download_and_unpack(nginx_url)
+    module_source_dirs = []
+    for module in config["modules"]:
+        print(f"Downloading module: {module['name']}")
+        module_source_dir = download_and_unpack(module["url"])
+        print(f"Module '{module['name']}' downloaded successfully.")
+        module_source_dirs.append(module_source_dir)
+    # Configure and build modules
+    args = [f"--add-dynamic-module=../{dir}" for dir in module_source_dirs]
+    print("Configuring and building modules...")
+    subprocess.call(["./configure", "--with-compat", *args], cwd=source_dir)
+    subprocess.call(["make", "modules"], cwd=source_dir)
+    # Copy .so files to module path
+    for module in config["modules"]:
+        module_name = module["name"]
+        so_file = f"{module_name}.so"
+        source_so_path = f"{source_dir}/objs/{so_file}"
+        dest_so_path = f"{module_path}/{so_file}"
+        print(f"Copying {source_so_path} to {dest_so_path}...")
+        subprocess.call(["cp", source_so_path, dest_so_path])
+    print("All modules installed successfully.")
+
+
+if __name__ == "__main__":
+    main()
diff --git a/os/linux/backup.sh b/os/linux/backup.sh
new file mode 100644
index 0000000..0328e34
--- /dev/null
+++ b/os/linux/backup.sh
@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+# Check if current user is root
+if [ "$(id -u)" -ne 0 ]; then
+    echo "This script must be run as root."
+    exit 1
+fi
+
+mkdir -p /mnt/backup
+cd /mnt/backup
+current_date=$(date +%F)
+# Backup
+echo "Creating backup of @root subvolume..."
+btrfs subvolume snapshot -r @root @root_backup_$current_date
+
+# Remove backups older than 7 days
+echo "Removing backups older than 7 days..."
+find /mnt/backup -maxdepth 1 -type d -name '@root_backup_*' -mtime +7 -exec "echo 'Removing {}' && btrfs subvolume delete {}" \;
+echo "Backup completed successfully."
\ No newline at end of file
diff --git a/web/tiktok/img_story_downloader.js b/web/tiktok/img_story_downloader.js
new file mode 100644
index 0000000..4221e37
--- /dev/null
+++ b/web/tiktok/img_story_downloader.js
@@ -0,0 +1,10 @@
+{
+    let allImages = document.querySelectorAll("img");
+    let lastImgUrl = "";
+    for (const img of allImages) {
+        if (img.className.includes("ImgPhotoSlide")) {
+            lastImgUrl = img.src;
+        }
+    }
+    window.open(lastImgUrl, '_blank').focus();
+}
\ No newline at end of file
diff --git a/web/tiktok/video_story_downloader.js b/web/tiktok/video_story_downloader.js
new file mode 100644
index 0000000..eafe4e6
--- /dev/null
+++ b/web/tiktok/video_story_downloader.js
@@ -0,0 +1 @@
+window.open(document.querySelector("video").currentSrc, '_blank').focus();
\ No newline at end of file