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What I Wish I'd Known About Equity Before Joining A Unicorn

Disclaimer: This piece is written anonymously. The names of a few particular companies are mentioned, but as common examples only.

This is a short write-up on things that I wish I'd known and considered before joining a private company (aka startup, aka unicorn in some cases). I'm not trying to make the case that you should never join a private company, but the power imbalance between founder and employee is extreme, and that potential candidates would

cizixs

#!/bin/sh

set -xe

sudo cp /usr/lib/systemd/system/docker.service /etc/systemd/system/
sudo sed -i "s/^MountFlags=slave/# MountFlags=slave/g" /etc/systemd/system/docker.service

sudo systemctl daemon-reload
sudo systemctl restart docker

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#!/usr/bin/env bash

function setup_overlay() {
    ip netns add overlay
    ip netns exec overlay ip li ad dev br0 type bridge
    ip li add dev vxlan42 type vxlan id 42 l2miss l3miss proxy learning dstport 4789
    ip link set vxlan42 netns overlay
    ip netns exec overlay ip li set dev vxlan42 name vxlan1
    ip netns exec overlay ip li set dev vxlan1 master br0
    ip li add dev vetha1 mtu 1450 type veth peer name vetha2 mtu 1450

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#!/bin/bash
# This script helps to create a develop docker swarm cluster in one command
# For explanations and details, please refer to https://docs.docker.com/engine/userguide/networking/get-started-overlay/

set -e

create_kv() {
    echo Creating kvstore machine.
    docker-machine create -d virtualbox \
        kvstore

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"""
From: http://stackoverflow.com/a/1094933/1925083
Supports:

all currently known binary prefixes
negative and positive numbers
numbers larger than 1000 Yobibytes
arbitrary units (maybe you like to count in Gibibits!)
Example:

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# use UTF8
set -g utf8
set-window-option -g utf8 on

set -g mode-mouse on
set -g status-bg colour66
set -g mouse-select-pane on
set -g mouse-select-window on

# make tmux display things in 256 colors

cizixs

Latency Comparison Numbers
--------------------------
L1 cache reference                            0.5 ns
Branch mispredict                             5   ns
L2 cache reference                            7   ns             14x L1 cache
Mutex lock/unlock                            25   ns
Main memory reference                       100   ns             20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy              3,000   ns
Send 1K bytes over 1 Gbps network        10,000   ns    0.01 ms
Read 4K randomly from SSD*              150,000   ns    0.15 ms

cizixs

#!/usr/bin/python
# -*- coding:utf-8 -*-

import re
import sys
import requests

reload(sys)
sys.setdefaultencoding('utf8')

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punctuations
===========

## 键盘上的标点符号

符号        |       英文                    |       中文
---------   |   -----------                 |   ---------
,           |       comma                   |   逗号
.           |       period                  |   句号
:           |       colon                   |   冒号

cizixs

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname