How to restore root directory permission to default?
Running chmod -R 777 / as root will break your system.
Running rm -rf / as root will result in a disaster!.
def validation_required(validator_function): | |
def decorator(function): | |
async def error(websocket, err): | |
await websocket.send(err) | |
async def wrapper(websocket, data): | |
status, err = validator_function(data) | |
if status: |
# A kind of range() but for float element | |
def frange_core(start, stop=None, step=None): | |
# Use float number in range() function | |
# if stop and step argument is null set start=0.0 and step = 1.0 | |
if stop == None: | |
stop = start + 0.0 | |
start = 0.0 | |
if step == None: |
from multiprocessing import Process | |
import time | |
from random import randint | |
def func(pid, number): | |
for i in range(1, 50): | |
time.sleep(5) | |
print('[+] Process -> '+str(pid)+': (' + str(number*i*pid) + ')') | |
from flask import Flask, escape, url_for, request, redirect, session | |
from werkzeug.utils import secure_filename | |
#Instancier une application Flask | |
app = Flask(__name__) | |
# Set the secret key to some random bytes. Keep this really secret! | |
app.secret_key = b'_5#y2L"F4Q8z\n\xec]/' | |
########################## |
from threading import Thread, Event | |
event = Event() | |
def worker(number, outputs, exit_code): | |
msg = "=== Table de mulitiplication par {}".format(number) | |
outputs.append(msg) |
import signal | |
import resource | |
import os | |
import random | |
# To Limit CPU time | |
def time_exceeded(signo, frame): | |
print("CPU exceeded...") | |
raise SystemExit(1) |
import difflib | |
print("Levenshtein distance implementation !") | |
_str = 'appel' | |
difflib.get_close_matches('appel', ['ape', 'apple', 'peach', 'puppy'], n=2) | |
# returns ['apple', 'ape'] | |
# difflib.get_close_matches finds the best "good enough" matches. | |
# Here, first argument is being matched against the second one. |
import logging | |
import pika | |
import configparser | |
LOG_FORMAT = ('%(levelname) -10s %(asctime)s %(name) -30s %(funcName) ' | |
'-35s %(lineno) -5d: %(message)s') | |
LOGGER = logging.getLogger(__name__) | |
class RabbitmqManager: |
The rm -rf command is one of the fastest way to delete a folder and its contents. But a little typo or ignorance may result into unrecoverable system damage. The some of options used with rm command are.
rm
command in Linux is used to delete files.
rm -r
command deletes the folder recursively, even the empty folder.
rm -f
command removes ‘Read only File’ without asking.
rm -rf /
: Force deletion of everything in root directory.
rm -rf *
: Force deletion of everything in current directory/working directory.
rm -rf .
: Force deletion of current folder and sub folders.\