Priyanka Saggu I speak here {^_^}

"Ops School" Progress!

  • Introduction
    • Goals and Focus
    • Syllabus layout
  • Contributions
    • How we’ll organize work
    • How to contribute
    • Rewards for contributions
    • Ops School Videos
    • How to write sections
    • Overwriting existing content
    • Credits
  • Guidelines
  • Careers in Operations
    • Deciding a career path
    • Generalized career paths
    • Specialized career paths
    • How to become an operations engineer
  • Sysadmin 101
    • What is Systems Administration?
    • What is Development?
    • Contrasting Development and Operations
    • History of Development and Operations
    • What System Administration Isn’t
  • Unix fundamentals 101
    • File systems
    • Shells
    • Package management
    • The Boot Process
    • Useful shell tools
    • Crontab
  • Unix fundamentals 201
    • Kernel tuning
    • Signals
    • Syscalls
    • Booting over the network
    • /bin/init and its descendants
    • Looking at system metrics
  • MS Windows fundamentals 101
  • Text Editing 101
    • A little history
    • vi basics
  • Text Editing 201
    • Vim
    • Emacs
  • Tools for productivity
    • Terminal emulators
    • SSH
    • SSH Use Cases
    • Multiplexers
    • Shell customisations
    • Mosh
    • Ticketing systems
    • Note-taking
  • Security 101
    • Authentication in unix
    • Adding and deleting users and groups
    • Standard unix filesystem permissions
    • PAM
    • Chroot, jails and containers
    • Sudo (or, “Why you should not log in as root”)
    • History and Lore
  • Security 201
    • Centralised accounts
    • Firewalls and packet filters
    • Public Key Cryptography
    • Two factor authentication
    • Building systems to be auditable
    • Network Intrusion Detection
    • Host Intrusion Detection
    • Defense practices
    • Risk and risk management
    • Compliance: The bare minimum
    • Dealing with security incidents
    • ACLs and extended attributes (xattrs)
    • SELinux
    • AppArmor
    • Data placement
    • Additional reading
  • Troubleshooting
    • Methodologies
    • Working effectively during a crisis
  • Networking 101
    • The RFC Documents
    • OSI 7-layer model (OSI Reference Model)
    • TCP/IP (ARPA) 4-layer model
    • IP Addressing
    • TCP vs UDP
    • Subnetting, netmasks and CIDR
    • Classful addressing
    • Private address space (RFC 1918)
    • Static routing
    • NAT
    • Networking cable
  • Networking 201
    • VLANs, 802.1q tagging
    • Spanning Tree
    • Routing
    • ACLs
    • Network Bonding (802.3ad / LACP link aggregation)
    • IOS switch configuration
    • GRE and other tunnels
    • Multi-homed hosts
    • Similarities and differences between IPv4 and IPv6 networking
    • Implications of dual-stack firewalls (especially under Linux)
    • Multicast uses and limitations
    • Latency vs. Bandwidth
    • VPNs
    • Network Troubleshooting
    • Troubleshooting layer 1 problems
    • Differences in perspective: network engineering and systems administration
  • Common services
    • System daemons 101
    • DNS 101
    • DNS 201
    • DHCP
    • HTTP 101 (Core protocol)
    • HTTP 201 (Application Servers & Frameworks)
    • SMTP 101
    • SMTP 201
  • Identity Management 101
    • LDAP
    • NIS
  • Active Directory 101
    • What is Active Directory?
    • What is Active Directory used for?
    • You mention “separate components”; what is Active Directory composed of?
    • What specific services does Active Directory provide?
    • Best Practices for managing an Active Directory installation
  • Active Directory 201
    • Detailed Breakdown of Active Directory Components/Services
    • Advanced Active Directory Maintenance
  • Remote Filesystems 101
    • NFSv3
    • iSCSI
    • SAMBA/CIFS
  • Remote Filesystems 201
    • GlusterFS
    • NFSv4
    • Netatalk / AFP
    • S3
  • Programming 101
    • Shell scripting basics
    • Regular Expressions
    • Sed & awk
    • GIGO
  • Programming 201
    • Common elements in scripting, and what they do
    • C (A very basic overview)
    • Ruby
    • Python
    • Version Control
    • API design fundamentals
    • Continuous Integration
  • Hardware 101
    • Hardware Types
    • Basic server architecture
    • Disk management
    • Performance/Redundancy
    • Troubleshooting
  • Datacenters 101
    • Power budgets
    • Cooling budgets
    • You will be judged by the tidiness of your rack
    • Machine and cable labeling
    • Traditional naming conventions
  • Datacenters 201
    • Networking many racks
    • Power
    • Cooling
    • Physical security and common security standards compliance requirements
    • Suggested practices
  • Datacenters 301
    • Power
    • Increasing cooling efficiency
    • Design Options
  • Virtualization 101
    • Intro to virtualization technologies
    • The Cloud
  • Virtualization 201
    • Managing virtualized infrastructures (Private clouds)
    • Leveraging virtualization for development
    • Leveraging virtualization for production
    • Security implications of virtualization
  • Logs 101
    • Common system logs & formats
    • Standard Error
    • Log files
    • Syslog
    • Log Rotation
  • Logs 201
    • Centralized logging
    • Log parsing
    • Search & Correlation
  • Databases 101 (Relational Databases)
    • What is a Database?
    • What is a Relational Database?
    • Why We Use Databases?
    • What is SQL?
    • SQL shell
    • Creating databases
    • Creating users
    • Create Tables
    • Alter Table
    • Drop Table
    • Data Type
    • Granting privileges
    • Removing Privileges
    • Basic normalized schema design
    • Select, Insert, Update and Delete
    • Pro Tips
  • Databases 201
    • Database Theory
    • Document Databases
    • Key-value Stores
    • Graph Databases
  • Application Components 201
    • Message Queue Systems
    • Message Brokers
    • Memory Caches
    • Specialized Caches
  • Load Balancing
    • Why do we use load balancers?
    • Application implications
    • Non-HTTP use cases
    • Software
    • Hardware
    • Multi-dc
  • Monitoring, Notifications, and Metrics 101
    • History: How we used to monitor, and how we got better (monitors as tests)
    • Perspective (end-to-end) vs Introspective monitoring
    • Metrics: what to collect, what to do with them
    • Common tools
  • Monitoring, Notifications, and Metrics 201
    • Dataviz & Graphing
    • Graphite, StatsD
    • Dashboard: Info for ops and info for the business
    • Third-party tools
  • Business Continuity Planning
    • Backups
    • Outages
    • Postmortems
    • Disaster Recovery
  • Architecture 101
    • How to make good architecture decisions
    • Patterns and anti-patterns
    • Introduction to availability
    • Introduction to scalability
  • Architecture 201
    • Service Oriented Architectures
    • Fault tolerance, fault protection, masking, dependability fundamentals
    • Caching Concerns
    • Crash only
    • Synchronous vs. Asynchronous
    • Business continuity vs. Disaster Recovery
    • Designing for Scalability: Horizontal, Vertical
    • Simplicity
    • Performance
    • Tiered architectures
    • MTTR > MTBF
  • Configuration Management 101
    • A Brief History of Configuration Management
    • Idempotence
    • Convergent and Congruent systems
    • Direct and Indirect systems: ansible, capistrano
    • Chef
  • Configuration Management 201
    • Ansible
    • Puppet
    • CFEngine 3
    • SaltStack
  • Capacity Planning
    • Fundamentals of capacity planning
    • Forecasting
    • Diagonal scaling
  • Statistics For Engineers
    • Normal distributions
    • Percentiles, histograms, averages, mean, medians
  • Software Deployment 101
    • Software deployment vs configuration management
    • Running services
    • Package management
  • Software Deployment 201
    • Running services
  • Soft Skills 101
    • Communication basics
    • Communication Modes
    • Special cases for operations
    • Time Management
    • Project Management
    • The Tao of DevOps
    • The importance of Documentation
    • Working with other teams
  • Soft Skills 201
    • Business Acumen in Operations
    • Understanding the role of operations
    • Thinking broadly
    • Promoting Change
    • Building basic business skills
    • Specific Examples
  • Labs exercises
    • Bare-Metal Provisioning 101
    • Bare-Metal Provisioning 201
    • Cloud Provisioning 101
    • Cloud Provisioning 201
    • Database 101
    • Database 201
    • Database 301
    • Automation 101
    • Automation - Chef 201
    • Automation - Chef 301
    • Automation - Chef 302
    • Automation - Puppet 201
    • Automation - Puppet 301
    • Package Management 101
    • Package Management 201
    • Build automation fleets
    • Version Control with Git 101
    • DNS 101
    • HTTP 101
  • Learning and the Community
    • Learning and strategies for improvement
    • Things to keep in mind as you learn how to be an engineer
    • Golden rules for careers in ops
    • Where to look for help in the community
  • See also
  • Reading List
  • Contributions
    • How we’ll organize work
    • How to contribute
    • Rewards for contributions
    • Ops School Videos
    • How to write sections
    • Overwriting existing content
    • Credits
  • Conventions
    • Style Guide
    • Sample Network
  • Style Guide
    • Editing
  • Glossary