Rhel-server-7.9-x86-64-dvd.iso - Download

if os.path.exists(output_path): resume_pos = os.path.getsize(output_path) headers["Range"] = f"bytes={resume_pos}-"

This is a nuanced request because is not publicly downloadable without a subscription.

def save_config(username): with open(CONFIG_FILE, "w") as f: json.dump({"username": username}, f) os.chmod(CONFIG_FILE, 0o600) download rhel-server-7.9-x86-64-dvd.iso

resp = session.get(url, stream=True, headers=headers) total_size = int(resp.headers.get("content-length", 0)) + resume_pos

def load_config(): if os.path.exists(CONFIG_FILE): with open(CONFIG_FILE) as f: return json.load(f) return {} "w") as f: json.dump({"username": username}

# Simulated extraction (replace with real regex or JSON API) # Real link looks like: https://cdn.redhat.com/content/origin/files/sha256/.../rhel-server-7.9-x86_64-dvd.iso for line in resp.text.splitlines(): if iso_filename in line and ".iso" in line and "href=" in line: # extract href start = line.find('href="') + 6 end = line.find('"', start) return urljoin("https://access.redhat.com", line[start:end])

return total_size def verify_checksum(file_path, expected_sha256): sha256 = hashlib.sha256() with open(file_path, "rb") as f: for chunk in iter(lambda: f.read(4096), b""): sha256.update(chunk) actual = sha256.hexdigest() if actual != expected_sha256: raise Exception(f"Checksum mismatch: expected {expected_sha256}, got {actual}") print("Checksum verified successfully.") 0o600) resp = session.get(url

def main(): username, password = get_credentials() session = requests.Session() session.auth = (username, password)

# Step 2: Download output_file = f"rhel-server-{RHEL_VERSION}-{ARCH}-dvd.iso" print(f"Downloading to {output_file}") download_with_resume(iso_url, output_file, session)