rpetrenko

#!/usr/bin/env python
"""
    convert json to a flattened list of key/values
    example: data = {
                        "a": [
                            {
                                "key1": 1
                            },
                            {
                                "key2": 2

rpetrenko

# for screen-like experience
set -g prefix C-j
# to use ctrl+a+a as in screen
bind-key C-j last-window

# modify pane splitting bindings
unbind %
bind | split-window -h
bind - split-window -v

rpetrenko

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

rpetrenko

sudo ln -sf /usr/share/zoneinfo/UTC /etc/localtime

rpetrenko

tmux_conf_uri="https://gist.githubusercontent.com/rpetrenko/e209a2216b0a7a74ad0b0468b5bd51ff/raw/66f7d6e8706595304dfcc4a02727e231f5ec39a2/.tmux.conf"
if [ ! -f ~/.tmux.conf ]; then
  curl $tmux_conf_uri > ~/.tmux.conf
fi

ruby -v
git --version

brew -v

rpetrenko

# set width of cells to browser width
from IPython.core.display import display, HTML
display(HTML("<style>.container { width:100% !important; }</style>"))

# for drawing inline
import matplotlib.pyplot as plt
%matplotlib inline
from matplotlib import style
style.use('fivethirtyeight')

rpetrenko

#!/bin/bash

if [ "$#" -ne 3 ]; then
    echo "Arguments: <email> <subject> <fname.html>"
    exit 1
fi

mail --content-type=text/html --attach="$3" --subject "$2" $1 < /dev/null

rpetrenko

#!/bin/bash

# json should be any list of dictionaries with
# each item having the same keys
# example:
#[
#  {
#    "name": "server1.example.com",
#    "online": true,
#  },

rpetrenko

rpetrenko

# number of ssh connections
netstat -tnpa | grep 'ESTABLISHED.*sshd'

# network interfaces with their max speed
for i in $(netstat -i|cut -f1 -d" "|tail -n+3);do echo "$i: $(ethtool "$i"|grep Speed|sed 's/Speed://g')";done