maprangzth

Download CoovaChili from Github

On https://github.com/coova/coova-chilli/releases/tag/1.4

Install build dependencies

sudo apt install g++ automake autoconf libtool libltdl-dev gengetopt make cmake libssl-dev

Configure and make

./bootstrap

./configure --prefix=/usr --sysconfdir=/etc --enable-largelimits --enable-miniportal --enable-chilliredir --enable-layer3 --enable-multiroute --with-openssl --with-poll --enable-shared --enable-gardenext --enable-dhcpopt --enable-chillixml --enable-chilliproxy --enable-chilliradsec --enable-eapol --enable-extadmvsa --enable-uamdomainfile --enable-chilliscript --enable-pppoe

maprangzth

apt-get update

apt-get install -y g++ automake autoconf libtool libltdl-dev gengetopt make cmake libssl-dev libjson-c2 libjson-c-dev

git clone https://github.com/coova/coova-chilli

cd coova-chilli

git checkout 1.4

maprangzth

#!/bin/bash
# Author: Ambud Sharma
# License: Apache 2.0

USER=$1

if [ -z $USER ]; then
  USER="kafka"
fi

maprangzth

# Gnome 3 - based on https://blog.samalik.com/make-your-gnome-title-bars-smaller/
.header-bar.default-decoration {
    padding-top: 3px;
    padding-bottom: 3px;
    font-size: 0.8em;
}
.header-bar.default-decoration .button.titlebutton {
    padding: 0px;
}

maprangzth

#!/bin/sh
yum grouplist | sed '/^Installed Groups:/,$d;/^Available Environment Groups:/,$!d;/^Available Environment Groups:/d;s/^[[:space:]]*//'

maprangzth

# env
export KAFKA_HOST="my.kafka.hostname"
export KAFKA_OPTS="-Djava.security.auth.login.config=/etc/kafka/kafka_server_jaas.conf"

# create topics
kafka-topics --create --topic securing-kafka --replication-factor 1 --partitions 3 --zookeeper $KAFKA_HOST:2181

# producer acl
kafka-acls --authorizer-properties zookeeper.connect=$KAFKA_HOST:2181 --add --allow-principal User:kafkaclient --producer --topic securing-kafka

maprangzth

Kafka Essentials

Role of ZooKeeper

• A normal task which involve big data may take a magnitude of time when it is compared to the same task executed in a distributed environment.

• ZooKeeper organizes the shared data with robust synchronization techniques. ZooKeeper itself is a distributed application providing services for writing a distributed application.

Common services provided by ZooKeeper

maprangzth

# Original : Michalis Georgiou
# Modified : D4zzy for Fedora

_wgeturl="https://github.com/google/fonts/archive/master.tar.gz"
_gf="google-fonts"

# install wget
echo "Installing wget..."
sudo dnf install wget

maprangzth

# Kernel sysctl configuration file for Linux
#
# Version 1.12 - 2015-09-30
# Michiel Klaver - IT Professional
# http://klaver.it/linux/ for the latest version - http://klaver.it/bsd/ for a BSD variant
#
# This file should be saved as /etc/sysctl.conf and can be activated using the command:
# sysctl -e -p /etc/sysctl.conf
#
# For binary values, 0 is disabled, 1 is enabled.  See sysctl(8) and sysctl.conf(5) for more details.

maprangzth

Common OpenSSL Commands with Keys and Certificates

SSL Info

Generate RSA private key with certificate in a single command

openssl req -x509 -newkey rsa:4096 -sha256 -keyout example.key -out example.crt -subj "/CN=example.com" -days 3650 -passout pass:foobar

Generate Certificate Signing Request (CSR) from private key with passphrase

openssl x509 -x509toreq -in example.crt -out example.csr -signkey example.key -passin pass:foobar