Cemalettin Koc cemo

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000

Keybase proof

I hereby claim:

I am cemo on github.
I am cemo (https://keybase.io/cemo) on keybase.
I have a public key whose fingerprint is 34D6 0B1E 2F59 6BA1 2E10 E476 427D 912F 0D3A 06E7

To claim this, I am signing this object:

Kafka Topics

List existing topics

bin/kafka-topics.sh --zookeeper localhost:2181 --list

Purge a topic

bin/kafka-topics.sh --zookeeper localhost:2181 --alter --topic mytopic --config retention.ms=1000

... wait a minute ...

bin/kafka-topics.sh --zookeeper localhost:2181 --alter --topic mytopic --delete-config retention.ms

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTH

	# Set variables in .bashrc file

	# don't forget to change your path correctly!

	export GOPATH=$HOME/golang
	export GOROOT=/usr/local/opt/go/libexec
	export PATH=$PATH:$GOPATH/bin
	export PATH=$PATH:$GOROOT/bin

	var http = require('https');
	var querystring = require('querystring');

	// set the post request options
	var reqOptions = {
	hostname: 'hooks.slack.com',
	port: 443,
	path: '/services/YOUR/SLACK/HOOK_HERE',
	method: 'POST'
	};

	-server
	-Xss256k
	-Xms1536m
	-Xmx1536m
	-Xmn512m
	-XX:PermSize=350m
	-XX:MaxPermSize=350m
	-XX:MetaspaceSize=350m
	-XX:MaxMetaspaceSize=350m
	-XX:+UseParNewGC

	'use strict';

	const aws = require('aws-sdk');
	const s3 = new aws.S3({ apiVersion: '2006-03-01' });

	exports.handler = (event, context, callback) => {

	const key = decodeURIComponent(event.Records[0].s3.object.key);
	const meta = key.split('/');

	com.sun.management:type=DiagnosticCommand
	com.sun.management:type=HotSpotDiagnostic
	java.lang:name=CodeCacheManager,type=MemoryManager
	java.lang:name=Code Cache,type=MemoryPool
	java.lang:name=Compressed Class Space,type=MemoryPool
	java.lang:name=G1 Eden Space,type=MemoryPool
	java.lang:name=G1 Old Generation,type=GarbageCollector
	java.lang:name=G1 Old Gen,type=MemoryPool
	java.lang:name=G1 Survivor Space,type=MemoryPool
	java.lang:name=G1 Young Generation,type=GarbageCollector