KVM Edition
Details
Release Info
Need to spawn Instances to test ideas whilst isolating them from each other and the host? Perhaps they shouldn't be entirely isolated, but contained. Kernel Virtual Machine (KVM) provides the framework to quickly spawn Instances and be productive. It's lightweight and fast. It is also one of the bases for Cloud Offerings of Linux Instances. Study KVM and have a deeper sense of how Cloud providers deliver Instances quickly and cost-effectively.Release Syllabus
KVM Hypervisor Administration
Intro to KVM Hypervisor Management
- Introduction - KVM - Features
- Discuss features and benefits
- Explain various hypervisor tiers
- Compare and contrast supported GUEST models
- Cover supported platforms, features and limitations
- Explore classroom environment
- KVM Installation
- Discuss KVM architecture
- Identify key components
- Explore default configuration
- Ensure adequate resources
- Install KVM components
- Peruse KVM footprint
- Install additional management components
- Configure network bridging for autonomous access
- Prepare to deploy GUESTs (VMs)
- Debian | Ubuntu GUESTs
- Identify and provision sources
- Define new VM containers
- Peruse GUEST properties and Defaults
- Launch OS installers
- Ensure network communications
- Repeat deployments as needed
- Debug as needed
- CentOS | RedHat GUESTs
- Provision sources via Apache HTTPD
- Define VM containers
- Install using network support
- Ensure network communications
- Repeat deployments as needed
- Debug where applicable
- Windows GUESTs
- Locate and reference sources
- Define new GUEST containers
- Install Windows using common template
- Perform post-installation tasks
- Ensure communications
- Identify VM resource usage
- Discuss findings
- VM Deployments | CLI
- Discuss benefits
- Identify key tools
- Apply common options to VM definition
- Provision VMs from CLI
- Debug as required
- Rectify issues as needed
- Identify new VM deployments
- Confirm network communications
- VM Cloning
- Discuss benefits
- Identify key tools
- Clone existing VMs with various tools
- Peruse post-cloning footprint
- Ensure clone functionality
- Debug where needed
- Ubuntu | CentOS GUESTs
- Ensure proper bridge configuration
- Tag appropriate VLAN
- Install latest Ubuntu | CentOS
- Ensure communications
- Convert nodes to static IP config
- Alternate to dynamic config
- Storage Expansion
- Add virtio block storage to targets
- Confirm kernel visibility
- LVM-configure new storage
- Online Synch /var to new storage
- Single-user entry of other node
- Synch /var content
- Compare and contrast nodes
- Bridging | Virtual Nets | VLANs
- Explore defaults
- Remove default, superfluous bridge
- Explore Virtual Net allocation
- Configure VLAN201 on switch
- Provision VLAN201 in KVM
- Confirm communications
- pfSense Firewall GUEST
- Discuss L3 benefits
- Obtain and install firewall GUEST
- Ensure multiple interfaces tagged to correct VLANs
- Ensure communications
- Shift GUEST to VLAN201 and confirm
- Route traffic via pfSense firewall
- Apply basic filters
- Create DMZ VLAN
- Segregate GUESTs and confirm
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1 of 5Cent9x-Stream Edition
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Release Info
CentOS offers a visage into the world of Red Hat Enterprise Linux (RHEL). It is a fork. Unlike its Enterprise counterpart, there are fewer encumbrances, especially vis-à-vis the all-too-important frequently required software updates. Use CentOS to align your Applications and Services with RHEL.Release Syllabus
CentOS9x Stream Administration
- Initial Environment
- ls, pwd, cd, cp, mv, rm, mkdir, rmdir, whoami
- alias, cat, file, chmod, chown, history
- STD(IN|OUT), Pipes, Redirection, Command Chaining
- ps, df, top, free
- Pagers, W-Commands
- Checksums
- Awk | Sed | Grep Usage
- BASH SHELL Environment
- Compression | Archival Tools
- SSH Equivalence
- SHELL Quoting
- Propagate Environment
- Secure Clients
- Identify Standard File Types
- Standard File Permissions
- Symbolic Links
- Transfer Permissions
- Identify SWAP environment
- Provision dedicated SWAP partitions
- Add | Remove SWAP from pool as needed
- Provision File System-based SWAP
- SWAP Share
- SWAP Persistence
- Identify default storage configuration
- Provision new storage as needed
- XFS - File System
- XFS - Grow File System
- Identify LVM defaults
- Add new partitions to LVM management
- Allocate storage to LVM Volume Groups
- Create Logical Volumes (LVs) as needed
- Overlay File System and mount where applicables
- LVM - Resize
- LVM - Mixed FS
- LVM - SWAP
- Features
- Install
- Defaults
- General Usage
- Update Accounts
- Defaults
- Shared PASS Gen
- Unique PASS Gen
- Encrypted PASS Gen
- Update Accounts
- Groups
- Discuss features | limitations
- Identify default system-wide schedule
- Peruse various default Cron Jobs
- Schedule simple job and monitor recurrence
- Evaluate results
- Peruse Default CONF
- Discuss Syslog Rules
- Explore Log Rotate defaults
- Ensure rotated logs are compressed
- Extend default retention scheme
- Force Log Rotation as needed
- Explore Default environment
- Install PKGs
- Dump important metadata from packages
- Apply Updates
- Default CONF
- Add | Confirm IPs as needed
- Install
- Copy Configuration
- SELinux - Confirm
- TLS | SSL Services
- cURL Client Tests
- Virtual Hosts
- ENC Sites Only
- SFTP Only USER
- SFTP Only USER - NOLOGIN
- SFTP Only Group - Control
- NMap Intro
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1 of 5SysLogD Edition
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Release Info
Traditional visibility into daemon | service | program communications, activities, errors, etc., relies upon SysLOG. SysLog has migrated over the years towards JournalD via SystemD services, however, SysLOG remains intrical to many services within and without Nix Instances. In this edition, explore some of the key features of rSysLogD, the defacto SysLOG engine.Release Syllabus
SysLOG with rSysLogD
- Discuss Features
- Default Environment
- Kernel Firewall LOG
- Split LOGs by Priorities
- UDP | TCP Logging
- Dual L4 Logging
- Multiple Hosts
- Basic Queueing
- Reliable Event Logging Protocol (RELP)
- RELP - Remote Only
- RELP Only
- Traditional to RELP
- SysLOG Clear-Text - Confirm
- Property Filters
- Expression Filters
- Relay Chain
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1 of 5NFTables Edition
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Release Info
NFTables (nft) provides a streamlined packet classification environment.Release Syllabus
Netfilter Tables
- Features
- SSHGuard
- Ruleset Basics
- Persistence
- Sample Rules
- Inbound Filtering
- Dormant Table
- Manage Tables | Chains | Rules
- Counters
- Sets
- LOG Basics
- LOG with Sets
- Closed-Port LOGs
- LOG Options
- Re-Route LOGs
- Jump Targets
- Chain Jumping
- GoTo Chains
- Meta Selectors
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1 of 5Deb12x Edition
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Release Info
Among the longstanding and well-maintained Distros is Debian. Its 'apt' package management framework is legendary; as is its commitment to supply por gratis, recurring security updates over a long horizon. Indeed, this distinguishes Debian and its relatives as the leading Linux Distros available.Release Syllabus
Debian 12x Administration
- Features
- Download
- Graphical Install
- Text Install
- Post-Install Tweaks
- Explore usage of the following useful commands
- tty | /dev/pts | w | whoami | who
- set | env | export | unset
- cat | echo | touch | rm
- pwd | ls | cd | mkdir | alias | umask
- head | tail
- dd
- find
- history
- STDIN, STDOUT, STDERR, UNIX Pipes, Redirection, Command Chaining
- ps, df, free, top, dd
- stat, which, w, who
- tar | gzip | bzip2 | xz
- ZSH Setup
- Explore SSH defaults
- Use SSH to connect to targets
- Transfer data with: scp | sftp | rsync
- Explain common Linux file permissions
- chmod | chgrp | chown
- Discuss various Linux file attributes | features
- SETUID | SETGID | STICKY Bit
- SymLinks: Hard | Soft
- Features
- useradd | adduser | usermod | userdel
- groupadd | groupmod | groupdel
- Create $USERs in Parallel
- $USER Passwords | mkpasswd | python3
- Generate Random Passwords
- Store Randomly-generated Passwords for Reference
- Encrypted Pass - Unique Users
- Default SHELL
- NO TTY Access
- Disable SSH Access
- Features
- Installation Defaults: File System Table
- Provision Storage
- GPT Label | Create Partition(s) | File System | Mount | Persistence
- Duplicate Drives
- Duplicate Varied Sizes
- Online Resizing (Up-Sizing)
- Provision SWAP
- Logical Volume Management (LVM)
- LVM Features
- Allocate Storage to LVM
- LVM | VG Resizing
- Fix sudo PATH
- Point-Release Upgrade
- Cron Features
- Cron Job Execution
- Journal Control Features
- Booted Kernels
- SystemD Features
- Explore default APT configuration
- Identify commonly-used package management tools
- Enumerate installed packages
- Identify package owners based on system binaries
- Discuss 'apt' and 'dpkg' options
- Install | Remove various packages
- Network Tools | IP Configuration
- Examine default IP configuration
- Extend IP configuration to facilitate additional addresses
- Static IP Config
- Dual: Dynamic | Static Config
- Multiple Interfaces
- Dual Network Services
- Confirm communications
- Features
- Restrict $USER to SFTP Access
- Confirm limited $SHELL
- SFTP-Only Group
- SFTP-Only Password AUTH
- Identifiy key NMAP configuration files
- Identify commonly used NMAP options/switches/parameters
- Scan Server resource
- Perform default TCP Connect-based ethical scans of local and remote resources
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1 of 5PHP-One-Liners Edition
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Release Info
PHP is more commonly known as a CGI processor; for Web-Applications. Perhaps you could call it a Middle-Tier. However, PHP also offers simple, but powerful CLI processing for common needs often provided via a hodgepodge of well-known $SHELL utilities. Either way, PHP makes it facile to achieve accounting where necessary, and simply via One-Liners.Release Syllabus
PHP One-Liners
- General Usage
- Count Lines
- Word Count
- Count Chars
- Split Lines into ARRAY
- Count Instances of Fields
- Transform Delimiters
- Anonymize LOGs
- Extract Unique SRCs
- Lines by Error Code
- LOG By Code
- Summarize Error Codes
- Pre-Seed Error Codes
- Random Strings
- Varied Passwords
- Expose Undefined Passwords
- Outdated Passwords
- Hash | Un-Hash
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1 of 5GlusterFS Edition
Details
Release Info
GlusterFS provides simple, cost-effective, scalable and reliable network-distributed volume | disk aggregation services. Quickly and effectively allocate storage for your applications with GlusterFS.Release Syllabus
Cloud Storage with GlusterFS
- Discuss Features:
- Default Volume Type
- Common Volume Types
- Transport Types
- File System Support
- Storage Model
- Features
- Provision Storage
- Allocate GlusterFS Brick
- Persistence
- Generate IO
- Multiple File Systems
- Various Sizes
- Stop | Remove Volume
- Reconstitute Volume
- Server Mount
- Evaluate
- Features
- Provision Storage
- Partition | FS | Mount | Brick
- Extend Volume
- Monitor IO Distribution
- Shrink Volume
- Confirm Reallocation
- Remove Bricks
- Add | Replace Bricks
- Confirm Data Transfer
- UUID Mounts
- Migrate Mounts
- Features
- Probe Storage Instances
- Provision Storage
- Extend Shared Volume
- Mount any Server
- List Storage Spread
- Dismantle Volume
- Confirm Data-Availability
- Volume Reconstruction
- Features
- Existing Bricks
- Re-Use Allocated Storage
- Define New Bricks
- Create Volume
- Generate | Monitor IO
- Fail NODEs
- Evaluate
- Features
- Explore Environment
- Create New Replica Volume
- Mount on Web Servers
- Ensure Persistence
- Update NginX Web Server Config
- Fetch Content
- Down Storage NODE | Test
- Restore NODE | Confirm Content
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1 of 5OpenPGPII Edition
Details
Release Info
GPG - OpenPGP - Provides a standard PKI Framework, supporting common Algorithms, for securing your data at-rest and in-transit.Release Syllabus
OpenPGP with GPG
- Discuss Features:
- Primary Tool
- Private | Public Keys
- Public Key Cryptography Standards (PKCS)
- Encryption | Decryption
- Signing | Verification
- Features
- General Usage
- Create Content
- Encrypt
- PassPhrase Protect
- Binary | Text Encryption
- Share
- Decrypt
- Features
- Vary Algos
- Compare Results
- Caveats
- Random PassPhrases
- Store PassPhrases
- Encrypt | Decrypt | Confirm
- Use Case
- Generate Keypairs
- Export | Import
- Share
- Sign
- URI Import
- Features
- Identify Public Keys
- Encrypt to Recipients
- Vary Key Identifcation
- Share Content
- Confirm Decryption
- Confirm Invalid Recipient
- Features
- Encryption | Decryption Distinction
- Sign | Share Content
- Confirm Signatures
- Missing Public Key
- Sign | Encrypt | Decrypt | Verify
- Encrypt | Sign | Verify | Decrypt
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1 of 5SSL-TLS Edition
Details
Release Info
Transport Layer Security (TLS) provides standards-based asymmetric and symmetric cryptographic solutions for your application needs.Release Syllabus
SSL-TLS with OpenSSL
- Discuss Features:
- Primary Tool
- Private | Public Keys
- Certificate Signing Requests (CSRs)
- Self-Signed Certificates
- Public Key Cryptography Standards (PKCS)
- Encryption | Decryption
- Random String Generation
- Message Digests
- SSL-TLS Client
- Features
- General Usage
- Retrieve Site Certificates
- Determine OCSP Configuration
- Probe supported TLS Versions
- Extract Certificate for local usage
- Retrieve Certificate with NMap
- Retrieve Certificate Chain
- Fetch Certificate
- x509 Query Fields
- Fingerprints
- One-Liner
- Export Public Key from Certificate
- Dump Public Key
- Generate Random Bytes
- Yield various Formats
- Create Random Files on Target
- Define Random $USERs
- Track defined $USERs
- Features
- Generate Digests
- Install SHA3-SUM
- Vary Content
- Compare Digests
- Remote Digests
- Store Digests
- Features
- Common Algorithms
- Generate Multiple Private Keys
- Export Public Keys
- Confirm Keys
- Remove and Re-Export Public Keys
- Generate Non-Default RSA Keys
- Password-Protected Keys
- Share PRIV_KEY and Confirm
- Features
- Base64 Encode | Decode
- AES-256 Encryption | Decryption
- Base64 Representation
- Decode | Decrypt
- Deterministic Examples
- Asymmetric Encrypts | Decrypts
- Features
- "pkeyutl" Sub-Command
- RSA Signatures
- ED(448|25519) Signatures
- RSA-PSS Signatures
- Eliptical Curve Signatures
- "-rawin" effect
- Encrypt | Sign | Verify | Decrypt
- Sign | Encrypt | Decrypt | Verify
- Discuss
- Generate Private Keys
- Generate Correlating CSRs
- Confirm Keys | CSRs
- Self-Signed Certificates
- Generate
- CA Store
- Root CA
- Various ALGOs
- Internal Domain
- SYMLINK Keys
- Password-Protected PRIV_KEY
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16:9Rate
1.25xWatched
1Completed
1 of 5$SHELL-Vars Edition
Details
Release Info
The $SHELL (all incarnations), provide a plethora of useful mechanisms that facilitate smoother and more automated operations. Core to reduced computing friction is $SHELL-Mastery.Release Syllabus
SHELL Variables
- Discuss Features
- Terminal (TTY)
- CLI Arguments
- Process ID
- Backgrounded
- SHELL Local
- Environment
- Persistence
- Aliases
- Command Substitution
- Increment | Decrement
- Dynamism