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dylanninin / StrongSwan_build_notes.txt
Created August 13, 2021 04:20 — forked from metral/StrongSwan_build_notes.txt
StrongSwan vici python usage snippet
# install notes for ubuntu 14.04 / odroid xu4
sudo apt-get install libgmp3-dev
# dont apt-get StrongSwan! (its really old)
wget https://download.strongswan.org/strongswan-5.5.1.tar.bz2
tar xvfj strongswan-5.5.1.tar.bz2
cd strongswan-5.5.1
sudo ./configure --prefix=/usr --sysconfdir=/etc --enable-python-eggs --enable-python-eggs-install --enable-vici
sudo make
sudo make install

MicroService Proxy Gateway Solutions

Kong, Traefik, Caddy, Linkerd, Fabio, Vulcand, and Netflix Zuul seem to be the most common in microservice proxy/gateway solutions. Kubernetes Ingress is often a simple Ngnix, which is difficult to separate the popularity from other things.

Github Star Trend:

Github Star History for Kong vs traefik vs fabio vs caddy vs Zuul

This is just a picture of this link from Feb

@dylanninin
dylanninin / iptables_rules.sh
Created June 27, 2018 12:43 — forked from virtualstaticvoid/iptables_rules.sh
25 Most Frequently Used Linux IPTables Rules Examples
# Modify this file accordingly for your specific requirement.
# http://www.thegeekstuff.com
# 1. Delete all existing rules
iptables -F
# 2. Set default chain policies
iptables -P INPUT DROP
iptables -P FORWARD DROP
iptables -P OUTPUT DROP
@dylanninin
dylanninin / nginx-geoip-module.md
Last active April 17, 2018 10:02 — forked from VirtuBox/nginx-geoip-module.md
How to configure GeoIP module for Nginx

Create a folder to store the databases :

mkdir -p /usr/share/GeoIP

Download Country IP database

wget http://geolite.maxmind.com/download/geoip/database/GeoLiteCountry/GeoIP.dat.gz
gunzip GeoIP.dat.gz
@dylanninin
dylanninin / Netfilter-IPTables-Diagrams.md
Created April 12, 2018 08:38 — forked from nerdalert/Netfilter-IPTables-Diagrams.md
Linux NetFilter, IP Tables and Conntrack Diagrams

Linux NetFilter, IP Tables and Conntrack Diagrams

IPTABLES TABLES and CHAINS

IPTables has the following 4 built-in tables.

1) Filter Table

Filter is default table for iptables. So, if you don’t define you own table, you’ll be using filter table. Iptables’s filter table has the following built-in chains.

@dylanninin
dylanninin / ballot.sol
Created February 24, 2018 08:38 — forked from anonymous/ballot.sol
Created using browser-solidity: Realtime Ethereum Contract Compiler and Runtime. Load this file by pasting this gists URL or ID at https://ethereum.github.io/browser-solidity/#version=soljson-v0.4.20+commit.3155dd80.js&optimize=false&gist=
pragma solidity ^0.4.0;
contract Ballot {
struct Voter {
uint weight;
bool voted;
uint8 vote;
address delegate;
}
struct Proposal {

FWIW: I didn't produce the content present here. I've just copy-pasted it from somewhere over the Internet, but I cannot remember exactly the original source. I was also not able to find the author's name, so I cannot give him/her the proper credit.


Effective Engineer - Notes

What's an Effective Engineer?

@dylanninin
dylanninin / latency.markdown
Created November 6, 2016 04:19 — forked from hellerbarde/latency.markdown
Latency numbers every programmer should know

Latency numbers every programmer should know

L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns             
Compress 1K bytes with Zippy ............. 3,000 ns  =   3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs
SSD random read ........................ 150,000 ns  = 150 µs

Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs

@dylanninin
dylanninin / 词性标记.md
Created May 16, 2016 10:27 — forked from luw2007/词性标记.md
词性标记: 包含 ICTPOS3.0词性标记集、ICTCLAS 汉语词性标注集、jieba 字典中出现的词性、simhash 中可以忽略的部分词性

词的分类

  • 实词:名词、动词、形容词、状态词、区别词、数词、量词、代词
  • 虚词:副词、介词、连词、助词、拟声词、叹词。

ICTPOS3.0词性标记集

n 名词

nr 人名

@dylanninin
dylanninin / .gitconfig
Created February 18, 2016 16:36 — forked from pksunkara/config
Sample of git config file (Example .gitconfig)
[user]
name = Pavan Kumar Sunkara
email = pavan.sss1991@gmail.com
[core]
editor = vim
whitespace = fix,-indent-with-non-tab,trailing-space,cr-at-eol
excludesfile = ~/.gitignore
[sendemail]
smtpencryption = tls
smtpserver = smtp.gmail.com