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import re

s = 'aaabbbaaa'
d = tuple((c[0], len(c)) for c in [m.group(0) for m in re.finditer(r"(\w)\1*", s)])
l = [(str(t[1]),t[0]) for t in d]
''.join(str(j) for i in l for j in i)

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code1.py

import re
s = 'aaaaabbbbccccccaaaaaaa'
d = tuple((c[0], len(c)) for c in [m.group(0) for m in re.finditer(r"(\w)\1*", s)])
l = [(str(t[1]),t[0]) for t in d]
''.join(str(j) for i in l for j in i)


Coarse grained benchmark time: 0.028s

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/* 
**  mod_prv.c -- Apache sample prv module
**  [Autogenerated via ``apxs -n prv -g'']
**
**  To play with this sample module first compile it into a
**  DSO file and install it into Apache's modules directory 
**  by running:
**
**    $ apxs -c -i mod_prv.c
**

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main() {
    int *a;
    *a += 1;
}

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SSH pivoting

Scenario:

Origin => MachineA => FW => MachineB

We've access to MachineA through SSH and MachineA has access to MachineB through FW. We want to reach the remote port 5000 of MachineB; We'll map our localhost 5000 port to remote 5000 port of MachineB through the MachineA.

The SSH command will be:

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7z

Compresión máxima

$ 7z a -t7z -m0=lzma -mx=9 -mfb=64 -md=32m -ms=on archive.7z dir1

Copy mode (sin compresión)

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Instal·lar LXC

$ sudo apt install lxc bridge-utils libvirt-bin debootstrap

Crear contenidor LXC

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Extreure línies entre dues dates

Molts cops es necessiten extreure les línies entre dues dates concretes de fitxers de log. Per fer-ho, podem utilitzar sed, de manera:

sed -n '/start/,/end/p' log.txt

Per exemple, a un fitxer de log on el format de la data és tipus: * [03/Dec/2015:10:32:20 -0500]*, farem:

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FROM php:5-apache

RUN apt-get update 
RUN apt-get install -y \
        libfreetype6-dev \
        libjpeg62-turbo-dev \
        libmcrypt-dev \
        libpng12-dev \
	libapache2-mod-security2 \
    && docker-php-ext-install -j$(nproc) iconv mcrypt pdo_mysql mysqli mysql pdo \

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#!/bin/bash

IP=xx.xx.xx.xx

docker run --name srv01-httpd \
-v ~/docker/httpd-php/config/apache2/:/etc/apache2/ \
-v ~/docker/httpd-php/config/php/:/usr/local/etc/php/ \
-v ~/docker/httpd-php/src/:/var/www/html/ \
-v ~/docker/httpd-php/logs/:/logs/ \
-v /etc/localtime:/etc/localtime:ro \