created scenerios and solutions template

src/practice-scenarios/rhcsa_practice_scenarios.md

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+# RHCSA Practice Scenarios
+
+## Scenario 1: User and Permission Management
+Task: 
+1. Create a new user called 'analyst1' with home directory '/home/analyst1'
+2. Create a group called 'datateam'
+3. Add 'analyst1' to 'datateam'
+4. Create a directory '/data/reports' owned by 'datateam' with SGID set
+5. Ensure members of 'datateam' can read/write, others can only read
+6. Set password expiry for 'analyst1' to 90 days
+
+## Scenario 2: Storage Management
+Task:
+1. Create a new 2GB partition on /dev/sdb
+2. Create a physical volume from this partition
+3. Create a volume group called 'datavg'
+4. Create a 1GB logical volume called 'datalv'
+5. Format the logical volume with XFS filesystem
+6. Mount it persistently at /mnt/data using UUID
+7. Extend the logical volume by 500MB
+
+## Scenario 3: Service and Security Management
+Task:
+1. Configure chronyd to sync with time server 'time.example.com'
+2. Configure firewall to allow HTTP (port 80) and HTTPS (port 443)
+3. Create an SELinux policy to allow Apache to listen on port 8080
+4. Configure SSH to disable root login and only allow key-based authentication
+5. Set up a cron job to run system updates every Sunday at 2 AM
+
+## Scenario 4: Container Management
+Task:
+1. Pull the latest nginx container image from registry.access.redhat.com
+2. Create a persistent volume at /data/web
+3. Run nginx container with the persistent volume mounted at /usr/share/nginx/html
+4. Configure the container to start automatically on boot
+5. Expose the container on port 8080
+
+## Scenario 5: System Recovery and Maintenance
+Task:
+1. Reset root password using emergency mode
+2. Identify and kill a process consuming excessive CPU
+3. Configure system to boot into multi-user target by default
+4. Configure autofs to automatically mount an NFS share
+5. Create a backup of /etc using tar with bzip2 compression
+
+## Scenario 6: Shell Scripting
+Create a script that:
+1. Accepts a directory path as an argument
+2. Finds all files larger than 100MB
+3. Creates a report of these files including size and last modified date
+4. Archives files older than 30 days into a tar.gz file
+5. Logs all actions to /var/log/cleanup.log
+
+## Scenario 7: Network Configuration
+Task:
+1. Configure static IPv4 address: 192.168.1.100/24
+2. Configure static IPv6 address: 2001:db8:1234:5678::100/64
+3. Set hostname to 'rhcsa.example.com'
+4. Configure DNS resolution using /etc/resolv.conf
+5. Implement network access restrictions using firewalld zones
+
+Each scenario tests multiple objectives from the exam requirements. Would you like to work through any specific scenario with detailed steps? 

src/practice-scenarios/rhcsa_practice_scenarios_v2.md

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+# RHCSA Practice Scenarios - Version 2
+
+## Scenario 1: System Access and File Management
+Task:
+1. Configure SSH to listen on port 2222 instead of default 22
+2. Create a user 'devops1' with custom shell /bin/bash
+3. Set up password-less SSH authentication for 'devops1'
+4. Create directory structure /opt/projects with subdirectories dev, test, prod
+5. Configure appropriate permissions where only devops1 can access prod
+6. Create both soft and hard links for important config files
+
+## Scenario 2: Storage Configuration
+Task:
+1. Create three 1GB partitions on /dev/sdc using GPT
+2. Set up LVM using these partitions
+3. Create a volume group named 'appvg'
+4. Create two logical volumes: 'applv' (2GB) and 'logslv' (1GB)
+5. Format applv with ext4 and logslv with xfs
+6. Configure persistent mounts using labels
+7. Add a new swap partition of 2GB
+
+## Scenario 3: Process and Service Management
+Task:
+1. Configure system to start in graphical.target
+2. Set up Apache web server to start at boot
+3. Create a systemd service for a custom application
+4. Configure process nice levels for specific applications
+5. Set up logging rotation for application logs
+6. Configure journald for persistent logging
+
+## Scenario 4: Container Operations
+Task:
+1. Pull MariaDB container from registry.redhat.io
+2. Configure persistent storage for database files
+3. Create a pod with both MariaDB and phpMyAdmin
+4. Configure container networking for internal communication
+5. Set up automatic container restart policies
+6. Create a systemd service file for the pod
+
+## Scenario 5: Security Implementation
+Task:
+1. Configure SELinux for a custom web application running on port 8443
+2. Set up firewalld rich rules to allow access only from specific IP range
+3. Implement file access controls using ACLs
+4. Configure sudo access for specific commands
+5. Set up password complexity requirements
+6. Configure SELinux boolean settings for web services
+
+## Scenario 6: Automation Script
+Create a script that:
+1. Monitors disk space usage
+2. Sends alerts when filesystems exceed 80% usage
+3. Automatically cleans up /tmp older than 7 days
+4. Generates daily system health report
+5. Uses getopts for command line options
+
+## Scenario 7: Network and Storage Troubleshooting
+Task:
+1. Diagnose and repair failed NFS mounts
+2. Recover from a failed LVM configuration
+3. Fix network connectivity issues
+4. Restore correct SELinux contexts after file restoration
+5. Configure autofs for user home directories
+6. Set up network teaming for redundancy
+
+## Scenario 8: System Maintenance
+Task:
+1. Configure local repository for package management
+2. Set up automated security updates
+3. Configure logrotate for custom application logs
+4. Create a backup strategy for system configuration
+5. Schedule system maintenance tasks using cron and at
+6. Configure time synchronization with multiple time sources
+
+Each scenario is designed to integrate multiple exam objectives and simulate real-world tasks. Would you like detailed steps for any particular scenario? 

src/practice-scenarios/rhcsa_practice_scenarios_v3.md

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+# RHCSA Practice Scenarios - Version 3
+
+## Scenario 1: Advanced User Management
+Task:
+1. Create a departmental structure with groups: 'engineering', 'qa', and 'ops'
+2. Add users 'eng1', 'eng2', 'qa1', 'ops1' to respective groups
+3. Configure shared directory /opt/shared with:
+   - Engineering can read/write their directory
+   - QA can read engineering, read/write QA directory
+   - Ops can read/write all directories
+4. Implement password policies:
+   - Minimum 12 characters
+   - Maximum age 60 days
+   - Warning 7 days before expiry
+
+## Scenario 2: Dynamic Storage Management
+Task:
+1. Set up a 4GB partition using GPT on /dev/sdd
+2. Create a VDO volume with 3:1 compression ratio
+3. Create LVM structure on top of VDO
+4. Configure thin provisioning for development environments
+5. Create a 2GB XFS filesystem with quota support
+6. Implement user and group quotas
+7. Configure automated filesystem growth triggers
+
+## Scenario 3: Boot Management and Recovery
+Task:
+1. Configure system with multiple boot targets
+2. Create a custom boot target for minimal services
+3. Configure GRUB2 with password protection
+4. Set up system to boot with specific kernel parameters
+5. Create a recovery procedure for:
+   - Forgotten root password
+   - Failed boot
+   - Corrupted GRUB
+6. Configure crash dump collection
+
+## Scenario 4: Advanced Container Deployment
+Task:
+1. Create a multi-container application using podman
+2. Configure container health checks
+3. Set up container networking with port mapping
+4. Implement container resource limits
+5. Create persistent storage for containers
+6. Configure logging drivers
+7. Set up container monitoring
+
+## Scenario 5: Comprehensive Security Setup
+Task:
+1. Implement a complete SELinux security strategy:
+   - Custom policy module
+   - Port definitions
+   - File contexts
+   - Boolean settings
+2. Configure firewalld with:
+   - Multiple zones
+   - Custom services
+   - Forward ports
+   - Rich rules
+3. Set up SSH with:
+   - Custom port
+   - AllowUsers configuration
+   - Rate limiting
+   - Key-based authentication only
+
+## Scenario 6: System Automation
+Create scripts for:
+1. System inventory script that:
+   - Lists all installed packages
+   - Shows disk usage
+   - Reports running services
+   - Checks SELinux status
+2. Backup script that:
+   - Uses tar with incremental backups
+   - Implements retention policy
+   - Verifies backup integrity
+   - Logs all operations
+
+## Scenario 7: Network Services Configuration
+Task:
+1. Configure network with:
+   - Bonded interface with active-backup
+   - VLAN configuration
+   - Static routes
+2. Set up DNS resolution with:
+   - Multiple DNS servers
+   - Search domains
+   - Local host entries
+3. Implement network security with:
+   - TCP Wrappers
+   - IPtables rules
+   - Fail2ban configuration
+
+## Scenario 8: Advanced File System Management
+Task:
+1. Create a stratis storage pool
+2. Configure automated NFS mounts with autofs
+3. Set up ACL configurations for:
+   - Default permissions
+   - User-specific access
+   - Group collaboration
+4. Implement file system encryption
+5. Configure file system compression
+6. Set up file system snapshots
+
+## Scenario 9: Service Management and Monitoring
+Task:
+1. Configure systemd services with:
+   - Dependencies
+   - Custom environment files
+   - Restart policies
+2. Set up service monitoring with:
+   - Custom status checks
+   - Email notifications
+   - Automatic recovery
+3. Implement logging with:
+   - Remote syslog
+   - Custom journald configuration
+   - Log forwarding
+
+Each scenario integrates multiple exam objectives and provides real-world challenges. Would you like detailed steps for any particular scenario? 

src/practice-scenarios/rhcsa_practice_scenarios_v4.md

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+# RHCSA Practice Scenarios - Version 4
+
+## Scenario 1: Disaster Recovery Planning
+Task:
+1. Create a backup strategy for:
+   - System configuration files (/etc)
+   - User home directories
+   - Custom application data
+2. Implement backup script using:
+   - tar with exclude patterns
+   - Different compression methods (gzip vs bzip2)
+   - Verification checksums
+3. Configure backup rotation:
+   - Daily incremental
+   - Weekly full
+   - Monthly archives
+4. Test recovery procedures
+
+## Scenario 2: Advanced Storage Architecture
+Task:
+1. Create a tiered storage setup:
+   - Fast SSD partition for databases (/dev/nvme0n1)
+   - HDD partition for archives (/dev/sdb)
+2. Configure LVM:
+   - Create volume group 'datavg' spanning both devices
+   - Create logical volumes with different stripe sizes
+   - Implement LVM caching using SSD
+3. Set up filesystem:
+   - XFS for database volume with optimal parameters
+   - Ext4 for archive volume with large file support
+4. Configure automated storage monitoring
+
+## Scenario 3: Multi-User Environment Setup
+Task:
+1. Create departmental structure:
+   - Research team (researchers, analysts)
+   - IT team (admins, support)
+   - Management (managers, directors)
+2. Configure shared workspace:
+   - /projects/research (SGID, collaborative)
+   - /projects/it (restricted access)
+   - /projects/management (confidential)
+3. Implement access controls:
+   - File ACLs for specific user access
+   - Umask settings per department
+   - Special permissions for project leads
+
+## Scenario 4: Service High Availability
+Task:
+1. Configure critical services:
+   - Apache web server with custom configuration
+   - MariaDB database with specific port
+   - Custom application service
+2. Implement service monitoring:
+   - Create systemd service files with dependencies
+   - Configure service recovery options
+   - Set up notification for service failures
+3. Create failover procedures:
+   - Service restart automation
+   - Backup service configuration
+   - Recovery documentation
+
+## Scenario 5: Container Orchestration
+Task:
+1. Set up development environment:
+   - Create pod with multiple containers
+   - Configure inter-container networking
+   - Set up shared storage volumes
+2. Implement container security:
+   - SELinux contexts for containers
+   - Resource limitations
+   - Network isolation
+3. Create deployment automation:
+   - Container health checks
+   - Automatic updates
+   - Backup procedures
+
+## Scenario 6: Network Security Implementation
+Task:
+1. Configure secure network access:
+   - Set up SSH jump host
+   - Implement port knocking
+   - Configure fail2ban
+2. Set up firewall rules:
+   - Create custom zones
+   - Configure service-specific rules
+   - Implement rate limiting
+3. Monitor network security:
+   - Configure logging
+   - Set up alerts
+   - Create security reports
+
+## Scenario 7: System Performance Tuning
+Task:
+1. Optimize system performance:
+   - Configure tuned profiles
+   - Adjust process priorities
+   - Set resource limits
+2. Monitor system resources:
+   - Create monitoring scripts
+   - Set up performance alerts
+   - Configure resource quotas
+3. Implement performance logging:
+   - Configure performance metrics
+   - Create trending reports
+   - Set up automated analysis
+
+## Scenario 8: Automated System Maintenance
+Create scripts for:
+1. System health check:
+   - Disk space monitoring
+   - Service status verification
+   - Log analysis
+   - Performance metrics collection
+2. Maintenance tasks:
+   - Log rotation and cleanup
+   - Temporary file cleanup
+   - Cache clearing
+   - System updates
+3. Reporting:
+   - Daily status emails
+   - Weekly performance reports
+   - Monthly trend analysis
+
+## Scenario 9: SELinux Management
+Task:
+1. Configure SELinux for custom application:
+   - Create custom policy module
+   - Set up file contexts
+   - Configure port labels
+2. Troubleshoot SELinux issues:
+   - Analyze audit logs
+   - Debug policy violations
+   - Create policy fixes
+3. Implement SELinux best practices:
+   - Boolean management
+   - Context verification
+   - Policy testing
+
+## Scenario 10: Advanced File System Operations
+Task:
+1. Implement advanced storage features:
+   - Configure deduplication
+   - Set up compression
+   - Enable quotas
+2. Create filesystem snapshots:
+   - LVM snapshots
+   - Filesystem-level snapshots
+   - Backup integration
+3. Configure automated maintenance:
+   - Periodic defragmentation
+   - Integrity checking
+   - Performance optimization
+
+Each scenario tests multiple exam objectives while presenting realistic system administration challenges. 

src/practice-scenarios/rhcsa_practice_scenarios_v5.md

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+# RHCSA Practice Scenarios - Version 5
+
+## Scenario 1: Emergency System Recovery
+Task:
+1. Recover from failed boot scenarios:
+   - Reset root password without boot media
+   - Repair corrupted fstab entries
+   - Fix incorrect GRUB configuration
+2. Implement recovery procedures for:
+   - Broken network configuration
+   - Failed LVM setup
+   - Corrupted file permissions
+3. Create emergency documentation:
+   - Recovery steps for each scenario
+   - Required commands and procedures
+   - Verification methods
+
+## Scenario 2: Advanced Storage Integration
+Task:
+1. Configure multi-level storage:
+   - Set up /dev/sdc with 3 partitions (GPT)
+   - Create RAID1 using /dev/sdd1 and /dev/sde1
+   - Implement LVM on top of RAID
+2. Configure storage hierarchy:
+   - /apps (XFS, 10GB)
+   - /data (Ext4, 20GB)
+   - /backup (XFS with quota)
+3. Implement automated management:
+   - Storage monitoring
+   - Alert system
+   - Expansion procedures
+
+## Scenario 3: Comprehensive User Environment
+Task:
+1. Set up development environment:
+   - Create users: dev1, dev2, dev3
+   - Configure groups: developers, testers, deployers
+   - Set up project directories with appropriate permissions
+2. Implement access controls:
+   - Configure sudo access per group
+   - Set up restricted shells where needed
+   - Create shared directories with SGID
+3. Configure user environment:
+   - Custom shell profiles
+   - Group-specific environment variables
+   - Access control lists
+
+## Scenario 4: Service Integration
+Task:
+1. Configure web services:
+   - Apache with custom virtual hosts
+   - Nginx as reverse proxy
+   - PHP-FPM integration
+2. Implement security measures:
+   - SELinux contexts for web services
+   - Custom firewall rules
+   - SSL certificate configuration
+3. Set up monitoring:
+   - Service status checks
+   - Resource usage monitoring
+   - Log analysis
+
+## Scenario 5: Container Development Environment
+Task:
+1. Create development containers:
+   - Frontend container (Nginx)
+   - Backend container (Python)
+   - Database container (PostgreSQL)
+2. Configure container networking:
+   - Internal network for container communication
+   - Port mapping for external access
+   - DNS resolution between containers
+3. Implement persistence:
+   - Volume mounts for data
+   - Configuration persistence
+   - Log management
+
+## Scenario 6: Network Security Hardening
+Task:
+1. Implement secure access:
+   - Configure SSH with security best practices
+   - Set up IP-based access controls
+   - Implement connection rate limiting
+2. Configure advanced firewall:
+   - Multiple zone configuration
+   - Custom service definitions
+   - Rich rules for complex scenarios
+3. Set up monitoring:
+   - Failed access attempts
+   - Service availability
+   - Network performance
+
+## Scenario 7: Automated System Administration
+Create automation for:
+1. User management:
+   - Bulk user creation/modification
+   - Group membership management
+   - Password policy enforcement
+2. System maintenance:
+   - Automated updates
+   - Security scans
+   - Performance optimization
+3. Reporting system:
+   - System health reports
+   - Security audit reports
+   - Resource utilization trends
+
+## Scenario 8: Storage Performance Optimization
+Task:
+1. Optimize storage performance:
+   - Configure I/O scheduling
+   - Implement disk caching
+   - Set up read-ahead values
+2. Monitor storage metrics:
+   - I/O statistics
+   - Throughput measurements
+   - Latency monitoring
+3. Implement improvements:
+   - Performance tuning
+   - Resource allocation
+   - Bottleneck resolution
+
+## Scenario 9: Security Compliance
+Task:
+1. Implement security policies:
+   - Password complexity requirements
+   - Account lockout policies
+   - Session timeout settings
+2. Configure SELinux:
+   - Custom policy modules
+   - Port definitions
+   - File contexts
+3. Set up security monitoring:
+   - Audit configuration
+   - Log analysis
+   - Compliance reporting
+
+## Scenario 10: System Backup and Recovery
+Task:
+1. Implement backup strategy:
+   - System configuration backup
+   - User data backup
+   - Database backup
+2. Configure automation:
+   - Scheduled backups
+   - Verification procedures
+   - Retention policies
+3. Create recovery procedures:
+   - Full system recovery
+   - Individual file recovery
+   - Service restoration
+
+## Scenario 11: Performance Monitoring and Tuning
+Task:
+1. Configure system monitoring:
+   - CPU usage tracking
+   - Memory utilization
+   - I/O performance
+2. Implement tuning:
+   - Process priority adjustment
+   - Resource limits
+   - System profile optimization
+3. Set up reporting:
+   - Performance metrics
+   - Threshold alerts
+   - Trend analysis
+
+Each scenario integrates multiple exam objectives while presenting realistic administrative challenges. 

src/practice-scenarios/scenarios.md

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+# RHCSA Practice Scenarios - Version 5
+
+## Scenario 1: Emergency System Recovery
+Task:
+1. Recover from failed boot scenarios:
+   - Reset root password without boot media
+   - Repair corrupted fstab entries
+   - Fix incorrect GRUB configuration
+2. Implement recovery procedures for:
+   - Broken network configuration
+   - Failed LVM setup
+   - Corrupted file permissions
+3. Create emergency documentation:
+   - Recovery steps for each scenario
+   - Required commands and procedures
+   - Verification methods
+
+## Scenario 2: Advanced Storage Integration
+Task:
+1. Configure multi-level storage:
+   - Set up /dev/sdc with 3 partitions (GPT)
+   - Create RAID1 using /dev/sdd1 and /dev/sde1
+   - Implement LVM on top of RAID
+2. Configure storage hierarchy:
+   - /apps (XFS, 10GB)
+   - /data (Ext4, 20GB)
+   - /backup (XFS with quota)
+3. Implement automated management:
+   - Storage monitoring
+   - Alert system
+   - Expansion procedures
+
+## Scenario 3: Comprehensive User Environment
+Task:
+1. Set up development environment:
+   - Create users: dev1, dev2, dev3
+   - Configure groups: developers, testers, deployers
+   - Set up project directories with appropriate permissions
+2. Implement access controls:
+   - Configure sudo access per group
+   - Set up restricted shells where needed
+   - Create shared directories with SGID
+3. Configure user environment:
+   - Custom shell profiles
+   - Group-specific environment variables
+   - Access control lists
+
+## Scenario 4: Service Integration
+Task:
+1. Configure web services:
+   - Apache with custom virtual hosts
+   - Nginx as reverse proxy
+   - PHP-FPM integration
+2. Implement security measures:
+   - SELinux contexts for web services
+   - Custom firewall rules
+   - SSL certificate configuration
+3. Set up monitoring:
+   - Service status checks
+   - Resource usage monitoring
+   - Log analysis
+
+## Scenario 5: Container Development Environment
+Task:
+1. Create development containers:
+   - Frontend container (Nginx)
+   - Backend container (Python)
+   - Database container (PostgreSQL)
+2. Configure container networking:
+   - Internal network for container communication
+   - Port mapping for external access
+   - DNS resolution between containers
+3. Implement persistence:
+   - Volume mounts for data
+   - Configuration persistence
+   - Log management
+
+## Scenario 6: Network Security Hardening
+Task:
+1. Implement secure access:
+   - Configure SSH with security best practices
+   - Set up IP-based access controls
+   - Implement connection rate limiting
+2. Configure advanced firewall:
+   - Multiple zone configuration
+   - Custom service definitions
+   - Rich rules for complex scenarios
+3. Set up monitoring:
+   - Failed access attempts
+   - Service availability
+   - Network performance
+
+## Scenario 7: Automated System Administration
+Create automation for:
+1. User management:
+   - Bulk user creation/modification
+   - Group membership management
+   - Password policy enforcement
+2. System maintenance:
+   - Automated updates
+   - Security scans
+   - Performance optimization
+3. Reporting system:
+   - System health reports
+   - Security audit reports
+   - Resource utilization trends
+
+## Scenario 8: Storage Performance Optimization
+Task:
+1. Optimize storage performance:
+   - Configure I/O scheduling
+   - Implement disk caching
+   - Set up read-ahead values
+2. Monitor storage metrics:
+   - I/O statistics
+   - Throughput measurements
+   - Latency monitoring
+3. Implement improvements:
+   - Performance tuning
+   - Resource allocation
+   - Bottleneck resolution
+
+## Scenario 9: Security Compliance
+Task:
+1. Implement security policies:
+   - Password complexity requirements
+   - Account lockout policies
+   - Session timeout settings
+2. Configure SELinux:
+   - Custom policy modules
+   - Port definitions
+   - File contexts
+3. Set up security monitoring:
+   - Audit configuration
+   - Log analysis
+   - Compliance reporting
+
+## Scenario 10: System Backup and Recovery
+Task:
+1. Implement backup strategy:
+   - System configuration backup
+   - User data backup
+   - Database backup
+2. Configure automation:
+   - Scheduled backups
+   - Verification procedures
+   - Retention policies
+3. Create recovery procedures:
+   - Full system recovery
+   - Individual file recovery
+   - Service restoration
+
+## Scenario 11: Performance Monitoring and Tuning
+Task:
+1. Configure system monitoring:
+   - CPU usage tracking
+   - Memory utilization
+   - I/O performance
+2. Implement tuning:
+   - Process priority adjustment
+   - Resource limits
+   - System profile optimization
+3. Set up reporting:
+   - Performance metrics
+   - Threshold alerts
+   - Trend analysis
+
+Each scenario integrates multiple exam objectives while presenting realistic administrative challenges.