Netapp License File Generator Install Review

(For illustration only; adapt and secure before use.)

#!/usr/bin/env python3
import json, sys
from cryptography.hazmat.primitives import serialization, hashes
from cryptography.hazmat.primitives.asymmetric import padding
cfg = json.load(open(sys.argv[1]))
payload = json.dumps(cfg).encode()
with open('private_key.pem','rb') as kf:
    key = serialization.load_pem_private_key(kf.read(), password=None)
sig = key.sign(payload, padding.PKCS1v15(), hashes.SHA256())
open('license.lic','wb').write(payload + b'\n--SIG--\n' + sig)

Do not use this simple example in production without adding integrity checks, timestamps, and proper signing standards. netapp license file generator install

license show

Process:

Yes. License installation is hot-pluggable. No reboot or cluster failover is required for most features. Some very low-level licenses (e.g., encryption) may prompt a service restart, but not a full reboot. (For illustration only; adapt and secure before use

Use this knowledge only for:

Cause: Someone manually edited the .lic file. Fix: Never open a NetApp license file in a text editor. Download a fresh copy from the NetApp Support site. Do not use this simple example in production