Jeff Geiger jeffgeiger

README

Services declared as oneshot are expected to take some action and exit immediatelly (thus, they are not really services, no running processes remain). A common pattern for these type of service is to be defined by a setup and a teardown action.

Let's create a example foo service that when started creates a file, and when stopped it deletes it.

Define setup/teardown actions

Create executable file /opt/foo/setup-foo.sh:

Commands to check various states of Kafka

NOTE: Code blocks indicate input on prompt with a '$'. Everything else is output

Create a new topic

$ /opt/kafka/bin/kafka-topics.sh --topic my_topic --zookeeper localhost:2181 --create --partitions 1 --replication-factor 1
Created topic "my_topic".

	# Install epel
	sudo yum -y install epel-release

	# Install kernel headers for current kernel
	sudo yum install -y kernel-devel-$(uname -r) kernel-headers-$(uname -r)

	# Install ntop repos
	cat << EOF \| sudo tee /etc/yum.repos.d/ntop.repo
	[ntop]
	name=ntop packages

	ProductID Database
	106 GeoIP.dat
	111 GeoIPOrg.dat
	112/115 GeoIPRegion.dat
	117 GeoIPASNum.dat
	119 GeoIPUserType.dat
	121/122 GeoIPISP.dat
	132/133 GeoIPCity.dat
	135 GeoIPAreaCode.dat
	137 GeoIPDMACode.dat

	Puts on glasses:

	(•_•)
	( •_•)>⌐■-■
	(⌐■_■)

	Takes off glasses ("mother of god..."):

	(⌐■_■)
	( •_•)>⌐■-■

	# knife cheat

	## Search Examples

	knife search "name:ip*"
	knife search "platform:ubuntu*"
	knife search "platform:*" -a macaddress
	knife search "platform:ubuntu*" -a uptime
	knife search "platform:ubuntu*" -a virtualization.system
	knife search "platform:ubuntu*" -a network.default_gateway

	#!/usr/bin/env python

	"""hover.py: Provides dynamic DNS functionality for Hover.com using their unofficial API.
	This script is based off one by Dan Krause: https://gist.github.com/dankrause/5585907"""

	__author__ = "Andrew Barilla"
	__credits__ = ["Andrew Barilla", "Dan Krause"]
	__license__ = "GPL"
	__version__ = "1.0"
	__maintainer__ = "Andrew Barilla"

	sudo sed -i'' 's/^# output unified2/output unified2/' /etc/snort/snort.conf
	sudo sed -i'' 's/ALERTMODE/#ALERTMODE/' /etc/sysconfig/snort

	# See details in this blog entry:
	# http://www.echothrust.com/blogs/monitoring-pf-logs-gource

	ssh sensor01 "stdbuf -i0 -o0 -e0 tail -F -n +1 /var/opt/bro/logs/current/conn.log \| stdbuf -i0 -o0 -e0 /opt/bro/bin/bro-cut -F\\| ts id.orig_h id.resp_h id.resp_p proto" \| stdbuf -i0 -o0 -e0 awk -F\\| -vOFS=\\| '{ gsub(/\..+/, "", $1); print $1, $2, "A", "/"$3"/"$2"/"$2":"$5"."$4,"#FF00ff"}' \| ./gource --multi-sampling --no-vsync --title "bro conn activity" --key --realtime --highlight-users --highlight-dirs --user-friction 0.2 --user-scale 0.8 --log-format custom --disable-auto-rotate -i 0 -

	# Build Bro from Source on CentOS 7
	## Install EPEL
	sudo yum -y install epel-release

	## Install runtime dependencies - These will be needed once the RPM is built
	sudo yum -y install libpcap openssl-libs bind-libs zlib bash python libcurl gawk GeoIP jemalloc

	## Install the build dependencies
	sudo yum -y install @development libpcap-devel openssl-devel bind-devel zlib-devel cmake git perl libcurl-devel GeoIP-devel python-devel jemalloc-devel swig rpmdevtools