ps1dr3x

swapoff -a

fdisk /dev/xxx
# delete partitions partitionX + swap (d)
# create new primary partitions partitionX + swap (n + p) with the new size
# change parititon type (t) partitionX -> 83, swap -> 82
# add bootable flag (a) partitionX
# write changes (w)

partprobe

ps1dr3x

Append this lines to /etc/security/limits.conf

*         hard    nofile      500000
*         soft    nofile      500000
root      hard    nofile      500000
root      soft    nofile      500000

Log-out and log-in and check new limits

Hard:

ps1dr3x

# "input0::scrolllock" might be different (?)
# On
sudo sh -c 'echo 1 > /sys/class/leds/input0::scrolllock/brightness'
# Off
# sudo sh -c 'echo 0 > /sys/class/leds/input0::scrolllock/brightness'

ps1dr3x

# Location of openssl.cnf might be different
openssl req -new -newkey rsa:4096 -x509 -sha256 -days 3650 -nodes \
    -subj "/C=IT/ST=BO/L=Bologna/O=Aperture Science SRL/CN=example.com" \
    -extensions SAN \
    -config <(cat /etc/ssl/openssl.cnf \
        <(printf "\n[SAN]\nsubjectAltName=DNS:www.example.com,DNS:sub.example.com,IP:123.123.123.123")) \
    -out example.crt -keyout example.key

ps1dr3x

#!/bin/sh
#
# Script for periodically (default: 10m) check a web page for a keyword
#
# Gist:
# https://gist.github.com/ps1dr3x/5a5697ea2d37d06a34fdb38ef36050d4
#
# Usage:
# check-for-page-keyword.sh host keyword [seconds]
#

ps1dr3x

# Remove all containers
docker rm $(docker ps -aq)

# Remove dangling images
docker rmi $(docker images -q -f dangling=true)

# Remove all images
docker rmi $(docker images -aq)

# Remove all the unused volumes

ps1dr3x

function getCookie(name) {
    var re = new RegExp(name + "=([^;]+)");
    var value = re.exec(document.cookie);
    return (value != null) ? unescape(value[1]) : null;
};