goncha’s gists

goncha / lw-bootstrap.lisp

Created March 8, 2012 09:27

LispWorks bootstrap

	(in-package "CL-USER")
	(change-directory "D:\\code\\lisp\\")

	(dolist (file (list "asdf.lisp"))
	(compile-file file :load t))

	(setf asdf:central-registry
	(remove-if #'null
	(mapcar #'(lambda (file) (if (eq :unspecific (pathname-name file)) file))
	(directory #P"D:/code/lisp/"))))

goncha / extract_audio_from_dvd

Created July 4, 2012 16:21

mencoder extract audio from DVD

mencoder dvd://8 -dvd-device G:  -of rawaudio -oac mp3lame -lameopts cbr:br=192 -af resample=44100 -ovc copy -o test.mp3

goncha / gist:3532090

Created August 30, 2012 16:15

Sum numbers in a file

	grep -o "[0-9]\+M$" dl.txt \| grep -o "[0-9]\+" \| awk '{s+=$1} END {print s}'

	grep -o "[0-9]\+M$" dl.txt \| grep -o "[0-9]\+" \| paste -sd+ \| bc

goncha / tomcat.zookeeper.StandardServerListener.java

Created September 14, 2012 06:45

Register Tomcat server instance in ZooKeeper directory

	package tomcat.zookeeper;

	import java.io.IOException;
	import java.net.InetAddress;
	import java.net.NetworkInterface;
	import java.net.SocketException;
	import java.util.Enumeration;
	import java.util.Iterator;
	import java.util.LinkedList;
	import java.util.List;

goncha / gist:3741416

Last active September 7, 2017 09:40

iptables nat & port forwarding

	## set net.ipv4.ip_forward = 1 in /etc/sysctl.conf

	## NAT:
	iptables -t nat -A POSTROUTING -s 1.1.9.251/32 -o ${INET_DEV} -j SNAT --to-source ${INET_IP}

	## PORT FORWARDING:
	iptables -t nat -A PREROUTING -i ${INET_DEV} -p tcp -m tcp --dport ${INET_PORT} -j DNAT --to-destination ${LOCAL_IP}:${LOCAL_PORT}

goncha / gist:3793040

Created September 27, 2012 09:12

cfengine to sync files from phub

	bundle agent sync_app
	{
	vars:
	"opt_dir" string => "/home/app/opt",
	comment => "Program directory";
	"etc_dir" string => "/home/app/etc",
	comment => "Configuration directory";


	files:

goncha / gist:3909494

Last active October 11, 2015 19:38

forward gzipped error mail to remote address

	############
	# ~/.forward
	############

	"\|IFS=' ' && exec /usr/bin/procmail -f- \|\| exit 75 #${USER}"


	###############
	# ~/.procmailrc
	###############

goncha / gist:3909695

Created October 18, 2012 03:23

simple tool test storage speed

dd bs=1M count=512 if=/dev/zero of=test conv=fdatasync

goncha / jetty6.xml

Last active February 16, 2017 22:52

jetty.xml to add a single context

	<?xml version="1.0"?>
	<!DOCTYPE Configure PUBLIC "-//Mort Bay Consulting//DTD Configure//EN" "http://jetty.mortbay.org/configure.dtd">


	<Configure id="Server" class="org.mortbay.jetty.Server">
	<Set name="ThreadPool">
	<New class="org.mortbay.thread.QueuedThreadPool">
	<Set name="minThreads">10</Set>
	<Set name="maxThreads">200</Set>
	<Set name="lowThreads">20</Set>

goncha / gist:4016202

Created November 5, 2012 09:11

build.gradel for simple Java webapp

	apply plugin: "war"
	apply plugin: "eclipse"
	apply plugin: "jetty"


	repositories {
	// mavenCentral()

	maven {
	url "http://1.1.9.4:9000/archiva/repository/internal/"

Gang Chen goncha