MikeVL

#!/bin/sh

for ip in $(seq 1 254); do ping -c 1 192.168.21.$ip -t 2 &>/dev/null; [ $? -eq 0 ] && echo "192.168.21.$ip UP" || : ; done

MikeVL

# https://blog.hypertrack.io/2016/10/08/dealing-with-database-transactions-in-django-celery/
# @shared_task(base=TransactionAwareTask, bind=True, max_retries=settings.EVENT_MAX_RETRIES)
# def push_event(self, event_id):
#     event = Event.objects.get(id=event_id)

class TransactionAwareTask(Task):
    '''
    Task class which is aware of django db transactions and only executes tasks
    after transaction has been committed
    '''

MikeVL

from django.db.models.signals import post_init

def track_data(*fields):
    """
    Tracks property changes on a model instance.
    
    The changed list of properties is refreshed on model initialization
    and save.
    
    >>> @track_data('name')

MikeVL

• 5 Mark (Otto Lilienthal) 1973
• 5 Mark (Philipp Reis) 1974
• 5 Mark (Thomas Mann) 1975
• 5 Mark (Friedrich Gottlieb Klopstock) 1978
• 5 Mark (Albert Einstein) 1979
• 5 Mark (Adolph von Menzel) 1980
• 5 Mark (Tilman Riemenschneider) 1981
• 5 Mark (Friedrich Froebel) 1982
• 5 Mark (Goethes Weimar Cottage) 1982
• 5 Mark (Wartburg Castle) 1982-1983

MikeVL

"""
Logical deletion for Django models. Uses is_void flag
to hide discarded items from queries. Overrides delete
methods to set flag and soft-delete instead of removing
rows from the database.
"""
from django.apps import apps
from django.contrib.admin.utils import NestedObjects
from django.db import models
from django.db.models import signals

MikeVL

net.ipv4.ip_forward = 1
net.ipv4.conf.all.send_redirects = 0
net.ipv4.conf.default.send_redirects = 0
net.ipv4.conf.eth0.send_redirects = 0
net.ipv4.conf.lo.send_redirects = 0
net.ipv4.conf.all.accept_redirects = 0
net.ipv4.conf.default.accept_redirects = 0
net.ipv4.conf.eth0.accept_redirects = 0
net.ipv4.conf.lo.accept_redirects = 0
net.ipv4.tcp_fastopen = 0x403

MikeVL

Copied from http://code.lancepollard.com/complete-list-of-html-meta-tags/

Basic HTML Meta Tags

<meta name="keywords" content="your, tags"/>
<meta name="description" content="150 words"/>
<meta name="subject" content="your website's subject">
<meta name="copyright"content="company name">
<meta name="language" content="ES">

MikeVL

Copied from http://code.lancepollard.com/complete-list-of-html-meta-tags/

Basic HTML Meta Tags

<meta charset='UTF-8'>
<meta name='keywords' content='your, tags'>
<meta name='description' content='150 words'>
<meta name='subject' content='your website's subject'>
<meta name='copyright' content='company name'>

MikeVL

WITH table_scans as (
    SELECT relid,
        tables.idx_scan + tables.seq_scan as all_scans,
        ( tables.n_tup_ins + tables.n_tup_upd + tables.n_tup_del ) as writes,
                pg_relation_size(relid) as table_size
        FROM pg_stat_user_tables as tables
),
all_writes as (
    SELECT sum(writes) as total_writes
    FROM table_scans

MikeVL

sub vcl_recv {
    # unless sessionid/csrftoken is in the request, don't pass ANY cookies (referral_source, utm, etc)
    if (req.request == "GET" && (req.url ~ "^/static" || (req.http.cookie !~ "sessionid" && req.http.cookie !~ "csrftoken"))) {
        remove req.http.Cookie;
    }

    # normalize accept-encoding to account for different browsers
    # see: https://www.varnish-cache.org/trac/wiki/VCLExampleNormalizeAcceptEncoding
    if (req.http.Accept-Encoding) {
        if (req.http.Accept-Encoding ~ "gzip") {