In stephlocke/Rtraining: Training Materials on R

knitr::opts_chunk$set(echo = TRUE)

Poll

http://dpll.co/17175e5

Fundamentals

Fundamentals

Networks

• Access
  • Names
  • IPs
  • Device addresses
  • Ports
• Restricting access
  • Firewalls
• Safety
  • Encryption
  • Whitelisting

Storage

• Access
  • Persistence
  • Users
  • Metadata
• Restricting access
  • Permissions
• Safety
  • Role Based Access
  • Redundancy
  • Backups

OS

• Access
  • Authentication systems
• Restricting access
  • Permissions
• Safety
  • User hygiene
  • Patching

PowerShell

The language for working with all things Microsoft these days.

• Also works on Linux

Get-ChildItem | 
  Where Name -notlike "*.tar.gz" |
    Export-Csv "filelist.csv"

Import-Csv "filelist.csv"

Bash

The continued language of Linux

• Also works on Windows (10)

find . -maxdepth 1 ! -name '*.tar.gz' | 
  sed 's/[ \t]/,/g' > filelist.csv

cat filelist.csv

Call command line from R

Interactions are available from base package

?system  # not recommended
?system2 # works better with Windows too
?shell   # the lower level call

Windows / Linux file differences

• Windows
• Case insensitive
• Permissions inherit from parent object by default
• Linux
• Case sensitive
• Permisions inherit from user or one of other many overriding ways

Windows OS Variants

• Windows 10 - not a server
• Windows server YYYY - GUI
• Windows Nano - Headless

Next steps

Hard-won lessons

• Do work today so tomorrow's work is new and interesting
• You're only as good as your last restore
• Use the VMs & the cloud
• Never use sa
• Virus scanning + database files never mixes well

Wrap up

• Questions during the break
• Get the slides: bit.ly/infRastructure
• Keep in touch: @SteffLocke

Windows links

• TechNet library
• Microsoft Virtual Academy
• Windows networking lessons

Linux links

• Linux Network Admin Guide
• Linux Survival
• Linux Foundation free training materials

Misc. links

• 12 factor app
• bash.academy
• iptools
• IT abbreviations

stephlocke/Rtraining documentation built on May 30, 2019, 3:36 p.m.