Solr

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Comprehensive solr commands and workflows for system administration across all platforms.

Basic Commands

Command	Description
solr --version	Show solr version
solr --help	Display help information
solr init	Initialize solr in current directory
solr status	Check current status
solr list	List available options
solr info	Display system information
solr config	Show configuration settings
solr update	Update to latest version
solr start	Start solr service
solr stop	Stop solr service
solr restart	Restart solr service
solr reload	Reload configuration

Installation

Linux/Ubuntu

# Package manager installation
sudo apt update
sudo apt install solr

# Alternative installation
wget https://github.com/example/solr/releases/latest/download/solr-linux
chmod +x solr-linux
sudo mv solr-linux /usr/local/bin/solr

# Build from source
git clone https://github.com/example/solr.git
cd solr
make && sudo make install

macOS

# Homebrew installation
brew install solr

# MacPorts installation
sudo port install solr

# Manual installation
curl -L -o solr https://github.com/example/solr/releases/latest/download/solr-macos
chmod +x solr
sudo mv solr /usr/local/bin/

Windows

# Chocolatey installation
choco install solr

# Scoop installation
scoop install solr

# Winget installation
winget install solr

# Manual installation
# Download from https://github.com/example/solr/releases
# Extract and add to PATH

Configuration

Command	Description
solr config show	Display current configuration
solr config list	List all configuration options
solr config set <key> <value>	Set configuration value
solr config get <key>	Get configuration value
solr config unset <key>	Remove configuration value
solr config reset	Reset to default configuration
solr config validate	Validate configuration file
solr config export	Export configuration to file

Advanced Operations

File Operations

# Create new file/resource
solr create <name>

# Read file/resource
solr read <name>

# Update existing file/resource
solr update <name>

# Delete file/resource
solr delete <name>

# Copy file/resource
solr copy <source> <destination>

# Move file/resource
solr move <source> <destination>

# List all files/resources
solr list --all

# Search for files/resources
solr search <pattern>

Network Operations

# Connect to remote host
solr connect <host>:<port>

# Listen on specific port
solr listen --port <port>

# Send data to target
solr send --target <host> --data "<data>"

# Receive data from source
solr receive --source <host>

# Test connectivity
solr ping <host>

# Scan network range
solr scan <network>

# Monitor network traffic
solr monitor --interface <interface>

# Proxy connections
solr proxy --listen <port> --target <host>:<port>

Process Management

# Start background process
solr start --daemon

# Stop running process
solr stop --force

# Restart with new configuration
solr restart --config <file>

# Check process status
solr status --verbose

# Monitor process performance
solr monitor --metrics

# Kill all processes
solr killall

# Show running processes
solr ps

# Manage process priority
solr priority --pid <pid> --level <level>

Security Features

Authentication

# Login with username/password
solr login --user <username>

# Login with API key
solr login --api-key <key>

# Login with certificate
solr login --cert <cert_file>

# Logout current session
solr logout

# Change password
solr passwd

# Generate new API key
solr generate-key --name <key_name>

# List active sessions
solr sessions

# Revoke session
solr revoke --session <session_id>

Encryption

# Encrypt file
solr encrypt --input <file> --output <encrypted_file>

# Decrypt file
solr decrypt --input <encrypted_file> --output <file>

# Generate encryption key
solr keygen --type <type> --size <size>

# Sign file
solr sign --input <file> --key <private_key>

# Verify signature
solr verify --input <file> --signature <sig_file>

# Hash file
solr hash --algorithm <algo> --input <file>

# Generate certificate
solr cert generate --name <name> --days <days>

# Verify certificate
solr cert verify --cert <cert_file>

Monitoring and Logging

System Monitoring

# Monitor system resources
solr monitor --system

# Monitor specific process
solr monitor --pid <pid>

# Monitor network activity
solr monitor --network

# Monitor file changes
solr monitor --files <directory>

# Real-time monitoring
solr monitor --real-time --interval 1

# Generate monitoring report
solr report --type monitoring --output <file>

# Set monitoring alerts
solr alert --threshold <value> --action <action>

# View monitoring history
solr history --type monitoring

Logging

# View logs
solr logs

# View logs with filter
solr logs --filter <pattern>

# Follow logs in real-time
solr logs --follow

# Set log level
solr logs --level <level>

# Rotate logs
solr logs --rotate

# Export logs
solr logs --export <file>

# Clear logs
solr logs --clear

# Archive logs
solr logs --archive <archive_file>

Troubleshooting

Common Issues

Issue: Command not found

# Check if solr is installed
which solr
solr --version

# Check PATH variable
echo $PATH

# Reinstall if necessary
sudo apt reinstall solr
# or
brew reinstall solr

Issue: Permission denied

# Run with elevated privileges
sudo solr <command>

# Check file permissions
ls -la $(which solr)

# Fix permissions
chmod +x /usr/local/bin/solr

# Check ownership
sudo chown $USER:$USER /usr/local/bin/solr

Issue: Configuration errors

# Validate configuration
solr config validate

# Reset to default configuration
solr config reset

# Check configuration file location
solr config show --file

# Backup current configuration
solr config export > backup.conf

# Restore from backup
solr config import backup.conf

Issue: Service not starting

# Check service status
solr status --detailed

# Check system logs
journalctl -u solr

# Start in debug mode
solr start --debug

# Check port availability
netstat -tulpn|grep <port>

# Kill conflicting processes
solr killall --force

Debug Commands

Command	Description
solr --debug	Enable debug output
solr --verbose	Enable verbose logging
solr --trace	Enable trace logging
solr test	Run built-in tests
solr doctor	Run system health check
solr diagnose	Generate diagnostic report
solr benchmark	Run performance benchmarks
solr validate	Validate installation and configuration

Performance Optimization

Resource Management

# Set memory limit
solr --max-memory 1G <command>

# Set CPU limit
solr --max-cpu 2 <command>

# Enable caching
solr --cache-enabled <command>

# Set cache size
solr --cache-size 100M <command>

# Clear cache
solr cache clear

# Show cache statistics
solr cache stats

# Optimize performance
solr optimize --profile <profile>

# Show performance metrics
solr metrics

Parallel Processing

# Enable parallel processing
solr --parallel <command>

# Set number of workers
solr --workers 4 <command>

# Process in batches
solr --batch-size 100 <command>

# Queue management
solr queue add <item>
solr queue process
solr queue status
solr queue clear

Integration

Scripting

#!/bin/bash
# Example script using solr

set -euo pipefail

# Configuration
CONFIG_FILE="config.yaml"
LOG_FILE="solr.log"

# Check if solr is available
if ! command -v solr &> /dev/null; then
    echo "Error: solr is not installed" >&2
    exit 1
fi

# Function to log messages
log() \\\\{
    echo "$(date '+%Y-%m-%d %H:%M:%S') - $1"|tee -a "$LOG_FILE"
\\\\}

# Main operation
main() \\\\{
    log "Starting solr operation"

    if solr --config "$CONFIG_FILE" run; then
        log "Operation completed successfully"
        exit 0
    else
        log "Operation failed with exit code $?"
        exit 1
    fi
\\\\}

# Cleanup function
cleanup() \\\\{
    log "Cleaning up"
    solr cleanup
\\\\}

# Set trap for cleanup
trap cleanup EXIT

# Run main function
main "$@"

API Integration

#!/usr/bin/env python3
"""
Python wrapper for the tool
"""

import subprocess
import json
import logging
from pathlib import Path
from typing import Dict, List, Optional

class ToolWrapper:
    def __init__(self, config_file: Optional[str] = None):
        self.config_file = config_file
        self.logger = logging.getLogger(__name__)

    def run_command(self, args: List[str]) -> Dict:
        """Run command and return parsed output"""
        cmd = ['tool_name']

        if self.config_file:
            cmd.extend(['--config', self.config_file])

        cmd.extend(args)

        try:
            result = subprocess.run(
                cmd,
                capture_output=True,
                text=True,
                check=True
            )
            return \\\\{'stdout': result.stdout, 'stderr': result.stderr\\\\}
        except subprocess.CalledProcessError as e:
            self.logger.error(f"Command failed: \\\\{e\\\\}")
            raise

    def status(self) -> Dict:
        """Get current status"""
        return self.run_command(['status'])

    def start(self) -> Dict:
        """Start service"""
        return self.run_command(['start'])

    def stop(self) -> Dict:
        """Stop service"""
        return self.run_command(['stop'])

# Example usage
if __name__ == "__main__":
    wrapper = ToolWrapper()
    status = wrapper.status()
    print(json.dumps(status, indent=2))

Environment Variables

Variable	Description	Default
SOLR_CONFIG	Configuration file path	~/.solr/config.yaml
SOLR_HOME	Home directory	~/.solr
SOLR_LOG_LEVEL	Logging level	INFO
SOLR_LOG_FILE	Log file path	~/.solr/logs/solr.log
SOLR_CACHE_DIR	Cache directory	~/.solr/cache
SOLR_DATA_DIR	Data directory	~/.solr/data
SOLR_TIMEOUT	Default timeout	30s
SOLR_MAX_WORKERS	Maximum workers	4

Configuration File

# ~/.solr/config.yaml
version: "1.0"

# General settings
settings:
  debug: false
  verbose: false
  log_level: "INFO"
  log_file: "~/.solr/logs/solr.log"
  timeout: 30
  max_workers: 4

# Network configuration
network:
  host: "localhost"
  port: 8080
  ssl: true
  timeout: 30
  retries: 3

# Security settings
security:
  auth_required: true
  api_key: ""
  encryption: "AES256"
  verify_ssl: true

# Performance settings
performance:
  cache_enabled: true
  cache_size: "100M"
  cache_dir: "~/.solr/cache"
  max_memory: "1G"

# Monitoring settings
monitoring:
  enabled: true
  interval: 60
  metrics_enabled: true
  alerts_enabled: true

Examples

Basic Workflow

# 1. Initialize solr
solr init

# 2. Configure basic settings
solr config set host example.com
solr config set port 8080

# 3. Start service
solr start

# 4. Check status
solr status

# 5. Perform operations
solr run --target example.com

# 6. View results
solr results

# 7. Stop service
solr stop

Advanced Workflow

# Comprehensive operation with monitoring
solr run \
  --config production.yaml \
  --parallel \
  --workers 8 \
  --verbose \
  --timeout 300 \
  --output json \
  --log-file operation.log

# Monitor in real-time
solr monitor --real-time --interval 5

# Generate report
solr report --type comprehensive --output report.html

Automation Example

#!/bin/bash
# Automated solr workflow

# Configuration
TARGETS_FILE="targets.txt"
RESULTS_DIR="results/$(date +%Y-%m-%d)"
CONFIG_FILE="automation.yaml"

# Create results directory
mkdir -p "$RESULTS_DIR"

# Process each target
while IFS= read -r target; do
    echo "Processing $target..."

    solr \
        --config "$CONFIG_FILE" \
        --output json \
        --output-file "$RESULTS_DIR/$\\\\{target\\\\}.json" \
        run "$target"

done < "$TARGETS_FILE"

# Generate summary report
solr report summary \
    --input "$RESULTS_DIR/*.json" \
    --output "$RESULTS_DIR/summary.html"

Best Practices

Security

• Always verify checksums when downloading binaries
• Use strong authentication methods (API keys, certificates)
• Regularly update to the latest version
• Follow principle of least privilege
• Enable audit logging for compliance
• Use encrypted connections when possible
• Validate all inputs and configurations
• Implement proper access controls

Performance

• Use appropriate resource limits for your environment
• Monitor system performance regularly
• Optimize configuration for your use case
• Use parallel processing when beneficial
• Implement proper caching strategies
• Regular maintenance and cleanup
• Profile performance bottlenecks
• Use efficient algorithms and data structures

Operational

• Maintain comprehensive documentation
• Implement proper backup strategies
• Use version control for configurations
• Monitor and alert on critical metrics
• Implement proper error handling
• Use automation for repetitive tasks
• Regular security audits and updates
• Plan for disaster recovery

Development

• Follow coding standards and conventions
• Write comprehensive tests
• Use continuous integration/deployment
• Implement proper logging and monitoring
• Document APIs and interfaces
• Use version control effectively
• Review code regularly
• Maintain backward compatibility

Resources

Official Documentation

• Official Website
• Documentation
• API Reference
• Installation Guide
• Configuration Reference

Community Resources

• GitHub Repository
• Issue Tracker
• Community Forum
• Discord Server
• Reddit Community
• Stack Overflow

Learning Resources

• Getting Started Guide
• Tutorial Series
• Best Practices Guide
• Video Tutorials
• Training Courses
• Certification Program

Related Tools

• Git - Complementary functionality
• Docker - Alternative solution
• Kubernetes - Integration partner

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Last updated: 2025-07-06|Edit on GitHub