Anastasios Zouzias zouzias

zouzias / .gitignore

Created July 12, 2014 17:48 — forked from kogakure/.gitignore

Ignore files for Latex Projects

zouzias / Vagrantfile.rb

Created July 24, 2014 16:55

Vagrant for multiple machines

	# -- mode: ruby --
	# vi: set ft=ruby :

	# Multi-VM Configuration: Builds Web, Application, and Database Servers using JSON config file
	# Configures VMs based on Hosted Chef Server defined Environment and Node (vs. Roles)
	# Author: Gary A. Stafford

	# read vm and chef configurations from JSON files
	nodes_config = (JSON.parse(File.read("nodes.json")))['nodes']
	chef_config = (JSON.parse(File.read("chef.json")))['chef']

zouzias / vagrant-copy-ssh-id.sh

Last active August 29, 2015 14:04

Vagrant:Copy ssh private ssh key to all virtual machines

	#!/bin/bash


	# Iterate over all listening ssh ports of all VMs
	for VM_PORT in `vagrant ssh-config \| grep Port \| awk '{ print $2}'`
	do
	echo "Copying ~/.vagrant.d/insecure_private_key to host with ssh listening on port ${VM_PORT}"
	scp -i ~/.vagrant.d/insecure_private_key -P ${VM_PORT} ~/.vagrant.d/insecure_private_key vagrant@localhost:~/.ssh/id_rsa
	done

zouzias / restapi

Created October 20, 2014 09:28

Create a rest API with Jersy (quickly)

	mvn archetype:generate -DarchetypeArtifactId=jersey-quickstart-webapp \
	-DarchetypeGroupId=org.glassfish.jersey.archetypes -DinteractiveMode=false \
	-DgroupId=com.example -DartifactId=simple-service-webapp -Dpackage=com.example \
	-DarchetypeVersion=2.13



	Resource:

	https://jersey.java.net/documentation/latest/getting-started.html

zouzias / tomcat7.logstash.conf

Created November 26, 2014 16:35

Apache Tomcat Logstash Filter

	# Based on http://spredzy.wordpress.com/2013/03/02/monitor-your-cluster-of-tomcat-applications-with-logstash-and-kibana/

	# Changed URIPARAMS with GREEDYDATA. URIPARAMS has problem with POST (i.e., no url parameters)


	filter {

	grok {
	type => "access-log"
	pattern => "%{IP:client} \- \- \[%{DATA:datestamp}\] \"%{WORD:method} %{URIPATH:uri_path}%{GREEDYDATA:params} %{DATA:protocol}\" %{NUMBER:code} %{NUMBER:bytes}"

zouzias / gist:ab5d3b0881645e7e8ec7

Created December 3, 2014 11:14

Redirect ports using IPTABLES


	# Re-directs port 80 to 5601

	sudo iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 5601

	# Apply

	sudo service iptables restart

	# Ubuntu

zouzias / nginx-tomcat.conf

Created December 15, 2014 11:27

Nginx: Proxy Configuration for Apache Tomcat


	# Simple proxying to tomcat
	server {
	listen nginx.server.com:80;
	server_name nginx.server.com;

	location / {
	proxy_set_header X-Forwarded-Host $host;
	proxy_set_header X-Forwarded-Server $host;
	proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

zouzias / client_guide

Created February 18, 2015 15:21

Install nagios on CentOS client

	> wget dl.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm
	> rpm -ivh epel-release-6-8.noarch.rpm
	> yum install nrpe nagios-plugins-all openssl

	Then go to '/etc/nagios/nrpe.cfg '

	and update the

	allowed_hosts=nagios.change_me.com

zouzias / hdfs

Created May 13, 2015 11:45

HDFS useful commands




	# Summary of HDFS filesystem
	sudo su hdfs -c "hdfs dfsadmin -report"

	# Check the HDFS filesystem (detail block file)
	sudo su hdfs -c "hdfs fsck / -files -blocks"

zouzias / hadoop-aliases.sh

Last active August 29, 2015 14:21 — forked from granthenke/hadoop-aliases.sh

	# Generic Aliases
	alias ll='ls -latr' # List all file in long list format by modification time
	alias ..='cd ..' # Go up one directory
	alias ...='cd ../..' # Go up two directories
	alias ....='cd ../../..' # Go up three directories
	alias -- -='cd -' # Go back
	alias c='clear' # Clear Screen
	alias k='clear' # Clear Screen
	alias cls='clear' # Clear Screen
	alias _="sudo" # Execute with sudo