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Details

Release Info

Widely considered the top Linux Distro, Ubuntu builds on Debian, and offers a mature and stable framework upon which to build your important Applications and Services. Gander not beyond Long Term Support (LTS) Releases, which are made available every ~24-months, and, offer 5-years of security updates por gratis, to appreciate why Ubuntu wins. Canonical is boss; build your offerings on Ubuntu.

Release Syllabus

Ubuntu 20x Administration
  • Upgrades | Installations
    • Identify current configuration
    • Discuss new features
    • Snapshot current configuration
    • Upgrade instance online
    • Confirm upgraded environment
    • Perform Installations
    • SUDO Retrofit
    • Automatic Updates
  •  
  • SHELL Commands | Essentials
    • tty, pts, ll, la, l, ls, find
    • alias, cat, file, chmod, chown, history, dd, blkid
    • IO, Pipes, Redirection, Command Chaining
    • ps, top, /proc, /sys
    • head, tail, sudo, su
    • w, who, whoami, which, whereis
    • Static IPs Set
    • Duplicate VM - Retrofit
  •  
  • Common Network Clients
    • Identify important client utilities
    • Networking: ping, netstat, mtr, telnet
    • File Retrieval: wget, curl
    • Name Resolvers: host, dig, /etc/hosts
  •  
  • OpenSSH | Parallel SSH
    • Identify Defaults
    • Discuss TTYs
    • Generate SSH PKI Usage Keys
    • Ensure Password-less AUTH
    • Non-interactively transport content with SCP
    • Interactively move content with SFTP
    • Install Parallel SSH clients
    • Carry out parallel executions
  •  
  • File Permissions | User Management
    • Explain standard Linux (DAC) permissions
    • Alter permissions as needed
    • Test access to content
    • SET[GU]ID Exploration
    • Discuss Stickyness
    • Discuss Symbolic Links
    • Implement Soft | Hard Links
    • Examine behavior
  •  
  • User | Group Management
    • Identify GUI | $SHELL User Management tools
    • Explore: /etc/{passwd,shadow,group}
    • Provision users | groups as needed
    • Test functionality
    • Modify accounts | groups as desired
    • Confirm configuration
  •  
  • Storage Management
    • Explore current storage configuration
    • Provision additional storage as needed
    • Online Resize as desirable
    • Mount | Test | Committ to: /etc/fstab
    • Sync live content area
    • Identify current SWAP environment
    • Allocate SWAP as needed
    • Enable | Committ to: /etc/fstab
    • Logical Volume Management (LVM)
    • Identify default configuration
    • Provision LVM-dedicated storage
    • Configure: PVs | VGs | LVs
    • Extend storage as needed
    • Reduce VG as needed
    • Evaluate results
  •  
  • Apt | Snap Packages
    • Explore package footprint
    • Peruse configuration
    • Manage packages via 'apt'
    • Discuss Snap Uni Packages
    • Manage packages with 'snap'
    • Confirm configuration
  •  
  • Cron Scheduler
    • Explore default configuration
    • Discuss scheduling parameters
    • Write simple $HELL script
    • Schedule execution via Cron
    • Alter schedule as desired
    • Confirm expected behavior
  •  
  • SYSLOG | LOG Rotation
    • Explore default configuration
    • Discuss Syslog Rules
    • Except facilities from catchall: /var/log/syslog
    • Explore key logs
    • Explore LOG Rotation
  •  
  • NginX
    • Install
    • Verify
    • Explore Configuration
    • PHP Support
    • PPA Upgrade
  •  
  • SystemD Environment
    • Discuss Features
    • Expose managed resources
    • Manage Services
    • Journal Control
    • Hostname Control
  •  
  • SSH Tunneling
    • Pseudo-VPN Services
    • Contrast with VPNs
    • Create | Use Forward tunnels
    • Establish Reverse Tunnels
  •  
  • TCPDump Packets
    • Explore 'tcpdump' basics
    • Capture wide variety of packets
    • Use BPFs to reduce captured data
    • Replay captures with 'tcpdump'
    • Parse with BPFs as desired
  •  
  • GNU Privacy Guard (GPG)
    • Provision Usage Keys
    • Share Keys
    • (De|En)crypt Content
    • Sign and Verify Content
  •  
  • Network Reconnaissance
    • Install NMap
    • Explore footprint
    • Perform local reconnaissance
    • Quickly identify available subnet-based nodes
    • Comprehensive scan of select targets
    • Explore scripts interface and discuss
    • Evaluate results
  •  
  • SSH Guard
    • Install SSHGuard
    • Discuss Features
    • Generate SSH Traffic
    • Evaluate results
  •  

Release Notes

Tokyo Time

16:9

Rate

1.25x

Watched

1

Completed

1 of 5

Certificate of Completion