01JS↗
Password Validator
Validate password strength with configurable rules
function validatePassword(password, options = {}) {
const defaults = {
minLength: 8,
requireUppercase: true,#password#validation
mediumFind your
next move.
5 useful things
02JS↗
Data Masking/Obfuscation
Mask sensitive data for logging or display
class DataMasker {
constructor(options = {}) {
this.options = {
maskChar: '*',#masking#security
medium03PY↗
Authentication and Authorization Decorator
Add authentication and role-based authorization to functions.
import functools
from typing import Callable, List
class User:#decorator#authentication
medium04CLI↗
File Permission Management
Common commands for managing file permissions and ownership in Unix systems.
# Change permissions using symbolic mode
chmod u+x file.sh # Add execute for user
chmod go-w file.txt # Remove write for group and others
chmod a+r file.txt # Add read for all (user, group, others)#permissions#chmod
medium05CLI↗
SSH Tunneling and Port Forwarding
Create secure tunnels for accessing services, bypassing firewalls, or encrypting traffic.
# Local port forwarding (access remote service locally)
ssh -L local_port:remote_host:remote_port user@ssh_server
ssh -L 3306:localhost:3306 user@dbserver # Forward MySQL
#ssh#tunnel
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