szaydel

setup_ssh_key ()
{
## Function used to call ssh-copy-id script to copy my primary ssh-pub-key over
## to any new system being setup

## If length of arguments is less than 2
if [ ${#@} -lt 2 ]; then
	printf "%s\n" "Not enough arguments, please supply username and hostname." \
	"Expected: $0 <username> <hostname>"
	return 1

szaydel

# max=875 min=236; while :; do dd if=/source/data/file-big.out of=/dest/data/file2.out bs=64k skip=$(echo $(( RANDOM % (max - min) + $(echo $RANDOM|cut -b1,2) ** 2 ))) 2>&1|tee -a /tmp/some-logfile.log; sleep 1; done

szaydel

This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.

It was created by GNU tar configure 1.26, which was
generated by GNU Autoconf 2.63.  Invocation command line was

  $ ./configure --prefix=/usr/local/Cellar/gnu-tar/1.26 --mandir=/usr/local/Cellar/gnu-tar/1.26/share/man --program-prefix=g

## --------- ##
## Platform. ##

szaydel

import time
import socket
def collect_metric(name, value, timestamp):
    sock = socket.socket()
    sock.connect( ("localhost", 2003) )
    sock.send("%s %d %d\n" % (name, value, timestamp))
    sock.close()

def now():
    int(time.time())

szaydel

input {
  exec {
     type => "dstat"
     command => "dstat -cdngypms --nocolor 1 0"
     interval => 13
   }

   exec {
      type => "apache-benchmark"

szaydel

set -U fish_color_user magenta
set -U fish_color_host yellow

function fish_prompt --description 'Write out the prompt'
  set -l last_status $status

  # User
  set_color $fish_color_user
  printf (whoami)
  set_color normal

szaydel

Using pyCLI to create some commands and subcommands.

szaydel

tmux cheat sheet

(C-x means ctrl+x, M-x means alt+x)

Prefix key

The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:

remap prefix to Control + a

szaydel

tmux cheatsheet

As configured in my dotfiles.

start new:

tmux

start new with session name:

szaydel

pool management

• create a new pool by first creating an empty partition space using diskutil or Disk Utility

adding a mirror to an existing pool

check current status

zpool status -v