vpag

# syntax=docker/dockerfile:1

#
# Since that:
#   Make large dependencies optional #235
#   https://github.com/memgraph/gqlalchemy/pull/235
# See also (doc upd):
#   Update installation prerequisites #233
#   https://github.com/memgraph/gqlalchemy/pull/233
#

vpag

import csv
import re
from collections import Counter as C
from pathlib import Path as P

import dateutil.parser as dp


def foo(s):
    if m := p.match(s.strip()):

vpag

import bz2
import csv
import gzip
from datetime import datetime
from pathlib import Path

# from ngxlogz_namdtup import NgxAccessLine, NgxErrLine # obsoleted; for comparison
from ngxlogz import NgxAccessLine, NgxErrLine

vpag

"""Unbound python demo module, add route on DNS reply.

Related article: https://vp.ag/posts/2021-04-15-dns-based-routing/
Reference: https://nlnetlabs.nl/documentation/unbound/pythonmod/
"""

def init(id, cfg):
    return True

def deinit(id):

vpag

"""Searching for dupicate directories.

The main idea is to define customizable* hash function for a directory,
that returns the same result for directories with equal (*or similar)
contents.
"""

from collections import Counter as C
from hashlib import sha256 as H
from pathlib import Path as P

vpag

Common environment properties

• lscpu excerpt:

  Architecture:    x86_64
  CPU op-mode(s):  32-bit, 64-bit
  Byte Order:      Little Endian
  NUMA node(s):    1
  

vpag

function scramble {
    # Famous example rewritten in more secure way by passing random password using a pipe
    openssl enc -aes-256-ctr -pbkdf2 -nosalt \
        -pass file:<(dd if=/dev/urandom bs=128 count=1 2>/dev/null | base64) \
        </dev/zero 2>/dev/null \
    | sudo dd status=progress iflag=fullblock bs=8M of=$1 oflag=direct
}

## Usage sample
# for (( i = 3 ; i ; i-- ))

vpag

// AutoGenerate() demo-sample
t:
NoConcatenate LOAD
    10 + RowNo() - 1 as t
    , RecNo() as g
    , (6 + RecNo()) * 1e3 + IterNo() - 1 as v
AutoGenerate 7 While IterNo() <= 10;

vpag

initrd/Linux

• Schema (boot timeline)
• Features
• Boot options
• Boot-modes

Mind the tag

INITRD_POST_SHELL=1

vpag

@ECHO off
SETLOCAL EnableDelayedExpansion
::
:: samples.txt
:: -----------
:: hostname.or.ip
:: hostname.or.ip:80
:: hostname.or.ip/11
:: hostname.or.ip:80/11
:: xx://hostname.or.ip