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Mohit Khanna mohitkhanna

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  • Bangalore, India
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@mohitkhanna
mohitkhanna / lambda-s3-read-write-by-line.js
Created December 4, 2019 07:56 — forked from hboylan/lambda-s3-read-write-by-line.js
AWS Lambda function to read and write S3 files by line to perform efficient processing
const stream = require('stream')
const readline = require('readline')
const AWS = require('aws-sdk')
const S3 = new AWS.S3()
// read S3 file by line
function createReadline(Bucket, Key) {
// s3 read stream
const input = S3
@mohitkhanna
mohitkhanna / sysctl.conf
Created February 3, 2016 19:30 — forked from kfox/sysctl.conf
Linux kernel tuning settings for large number of concurrent clients
# Kernel sysctl configuration file for Red Hat Linux
#
# For binary values, 0 is disabled, 1 is enabled. See sysctl(8) and
# sysctl.conf(5) for more details.
# Controls source route verification
net.ipv4.conf.default.rp_filter = 1
# Do not accept source routing
net.ipv4.conf.default.accept_source_route = 0
@mohitkhanna
mohitkhanna / rc4.coffee
Last active September 22, 2015 08:26 — forked from rhoot/rc4.coffee
Node.js RC4 encryption/decryption
###
Copyright (c) 2012 rhoot <https://github.com/rhoot>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
@mohitkhanna
mohitkhanna / .bash_profile
Last active September 20, 2015 20:13 — forked from natelandau/.bash_profile
Mac OSX Bash Profile
# ---------------------------------------------------------------------------
#
# Description: This file holds all my BASH configurations and aliases
#
# Sections:
# 1. Environment Configuration
# 2. Make Terminal Better (remapping defaults and adding functionality)
# 3. File and Folder Management
# 4. Searching
# 5. Process Management
@mohitkhanna
mohitkhanna / db connector improved.js
Last active August 29, 2015 14:21 — forked from tommedema/db connector improved.js
module.exports = function(mediator) {
var mongo = require('mongodb'),
Server = mongo.Server,
Db = mongo.Db,
ReplSet = mongo.ReplSet,
config = require('../../config'),
replSetName = config.mongo.rsname,
servers = config.mongo.servers,
dbName = config.mongo.dbname;
@mohitkhanna
mohitkhanna / Parse.js
Last active August 29, 2015 14:09 — forked from mattberg/Parse.js
var baseUrl = 'https://api.parse.com/1',
appId = 'XXXXXXXXXXXXXXX',
apiKey = 'XXXXXXXXXXXXXX'; // make sure to use the REST API Key
var _register = function(params, lambda, lambdaerror) {
var method = 'POST',
url = baseUrl + '/installations',
payload = (params) ? JSON.stringify(params) : '';
_helper(url, method, payload, function(data, status) {
@mohitkhanna
mohitkhanna / node-and-npm-in-30-seconds.sh
Created December 20, 2013 12:49 — forked from isaacs/node-and-npm-in-30-seconds.sh
echo 'export PATH=$HOME/local/bin:$PATH' >> ~/.bashrc
. ~/.bashrc
mkdir ~/local
mkdir ~/node-latest-install
cd ~/node-latest-install
curl http://nodejs.org/dist/node-latest.tar.gz | tar xz --strip-components=1
./configure --prefix=~/local
make install # ok, fine, this step probably takes more than 30 seconds...
curl https://npmjs.org/install.sh | sh
@mohitkhanna
mohitkhanna / install-redis.sh
Created December 19, 2013 13:33 — forked from dstroot/install-redis.sh
#!/bin/bash
# from here: http://www.codingsteps.com/install-redis-2-6-on-amazon-ec2-linux-ami-or-centos/
# and here: https://raw.github.com/gist/257849/9f1e627e0b7dbe68882fa2b7bdb1b2b263522004/redis-server
###############################################
# To use:
# wget https://raw.github.com/gist/2776679/04ca3bbb9f085b192f6aca945120fe12d59f15f9/install-redis.sh
# chmod 777 install-redis.sh
# ./install-redis.sh
###############################################
echo "*****************************************"