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Pallav Jha pallavJha

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I was drawn to programming, science, technology and science fiction
ever since I was a little kid. I can't say it's because I wanted to
make the world a better place. Not really. I was simply drawn to it
because I was drawn to it. Writing programs was fun. Figuring out how
nature works was fascinating. Science fiction felt like a grand
adventure.
Then I started a software company and poured every ounce of energy
into it. It failed. That hurt, but that part is ok. I made a lot of
mistakes and learned from them. This experience made me much, much
@premek
premek / mv.sh
Last active March 5, 2024 17:43
Rename files in linux / bash using mv command without typing the full name two times
# Put this function to your .bashrc file.
# Usage: mv oldfilename
# If you call mv without the second parameter it will prompt you to edit the filename on command line.
# Original mv is called when it's called with more than one argument.
# It's useful when you want to change just a few letters in a long name.
#
# Also see:
# - imv from renameutils
# - Ctrl-W Ctrl-Y Ctrl-Y (cut last word, paste, paste)
#################################
# Source: https://blog.hildenco.com/2019/08/how-i-fell-in-love-with-i3.html
#################################
# start a terminal
bindsym $mod+Return exec gnome-terminal
# kill focused window
bindsym $mod+x kill
" Specify a directory for plugins
call plug#begin('~/.vim/plugged')
Plug 'neoclide/coc.nvim', {'branch': 'release'}
Plug 'scrooloose/nerdtree'
"Plug 'tsony-tsonev/nerdtree-git-plugin'
Plug 'Xuyuanp/nerdtree-git-plugin'
Plug 'tiagofumo/vim-nerdtree-syntax-highlight'
Plug 'ryanoasis/vim-devicons'
Plug 'airblade/vim-gitgutter'
@greenbrian
greenbrian / vault_demo.sh
Created June 23, 2019 20:06
Quick Vault demo usage
#!/bin/bash
## The following command starts Vault in development mode
## specifiying a root token value of 'root'
##
# VAULT_UI=true vault server -dev -dev-root-token-id="root"
## Login with root token
## Good for demo mode, should only be used on production cluster
## during initial configuration
@lizthegrey
lizthegrey / attributes.rb
Last active February 24, 2024 14:11
Hardening SSH with 2fa
default['sshd']['sshd_config']['AuthenticationMethods'] = 'publickey,keyboard-interactive:pam'
default['sshd']['sshd_config']['ChallengeResponseAuthentication'] = 'yes'
default['sshd']['sshd_config']['PasswordAuthentication'] = 'no'
@v1shwa
v1shwa / dynamic_subdomains
Created March 21, 2019 13:54
Dynamically map subdomains to different ports on the server - using Nginx
server {
listen 80;
# maps p8080.example.com -> localhost:8080
server_name ~^p(?<port>[^.]+)\.example\.com$;
location / {
proxy_pass http://localhost:$port;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
@dvlden
dvlden / ffmpeg.md
Last active May 14, 2024 14:25
Convert video files to MP4 through FFMPEG

This is my personal list of functions that I wrote for converting mov files to mp4!

Command Flags

Flag Options Description
-codec:a libfaac, libfdk_aac, libvorbis Audio Codec
-quality best, good, realtime Video Quality
-b:a 128k, 192k, 256k, 320k Audio Bitrate
-codec:v mpeg4, libx264, libvpx-vp9 Video Codec
@mayorova
mayorova / README.md
Created August 10, 2017 14:44
Mutual SSL in NGINX

Securing traffic to upstream servers with client certificates

Info: https://www.nginx.com/resources/admin-guide/nginx-https-upstreams/

Creating and Signing Your Certs

Source: http://nategood.com/client-side-certificate-authentication-in-ngi

This is SSL, so you'll need an cert-key pair for you/the server, the api users/the client and a CA pair. You will be the CA in this case (usually a role played by VeriSign, thawte, GoDaddy, etc.), signing your client's certs. There are plenty of tutorials out there on creating and signing certificates, so I'll leave the details on this to someone else and just quickly show a sample here to give a complete tutorial. NOTE: This is just a quick sample of creating certs and not intended for production.

@VojtechVitek
VojtechVitek / slice-batch-in-parallel.go
Last active December 25, 2023 09:42
Golang - Loop over slice in batches (run something in parallel on a sub-slice)
package main
import "fmt"
func main() {
slice := make([]int, 159)
// Split the slice into batches of 20 items.
batch := 20