# Installed Applications Reference

Complete inventory of applications and tools deployed by Ansible playbooks.

## Application Categories

### 🔧 System Tools
| Package | Description | Source | Role |
|---------|-------------|--------|------|
| curl | Command line HTTP client | apt | base |
| wget | Network downloader | apt | base |
| unzip | Archive extraction | apt | base |
| xclip | Clipboard utility | apt | base |
| tree | Directory tree viewer | apt | base |
| net-tools | Network utilities | apt | base |
| jq | JSON processor | apt | base |
| yq | YAML processor | snap | base |
| ripgrep | Fast text search | apt | base |
| fd-find | Fast file finder | apt | base |

### 🔒 Security Tools
| Package | Description | Source | Role |
|---------|-------------|--------|------|
| ufw | Uncomplicated Firewall | apt | ssh |
| fail2ban | Intrusion prevention | apt | monitoring |
| openssh-server | SSH daemon | apt | ssh |
| mailutils | Mail utilities | apt | base |
| nmap | Network scanner | apt | monitoring |
| tcpdump | Packet analyzer | apt | monitoring |
| wireshark-common | Protocol analyzer | apt | monitoring |

### 💻 Development Tools
| Package | Description | Source | Role |
|---------|-------------|--------|------|
| git | Version control | apt | development |
| nodejs | JavaScript runtime | apt | development |
| npm | Node package manager | apt | development |
| build-essential | Compilation tools | apt | development |
| python3 | Python interpreter | apt | development |
| python3-pip | Python package manager | apt | development |

### 🐳 Container Platform
| Package | Description | Source | Role |
|---------|-------------|--------|------|
| docker-ce | Docker Community Edition | docker | docker |
| docker-ce-cli | Docker CLI | docker | docker |
| containerd.io | Container runtime | docker | docker |
| docker-buildx-plugin | Multi-platform builds | docker | docker |
| docker-compose-plugin | Multi-container apps | docker | docker |

### 🖥️ Shell Environment
| Package | Description | Source | Role |
|---------|-------------|--------|------|
| zsh | Z shell | apt | shell |
| tmux | Terminal multiplexer | apt | shell |
| fzf | Fuzzy finder | apt | shell |
| oh-my-zsh | Zsh framework | git | shell |
| powerlevel10k | Zsh theme | git | shell |
| zsh-syntax-highlighting | Syntax highlighting | git | shell |
| zsh-autosuggestions | Command suggestions | git | shell |

### 📊 Monitoring Tools
| Package | Description | Source | Role |
|---------|-------------|--------|------|
| htop | Process viewer | apt | monitoring |
| btop | Modern system monitor | snap | monitoring |
| iotop | I/O monitor | apt | monitoring |
| nethogs | Network usage monitor | apt | monitoring |
| iftop | Bandwidth monitor | apt | monitoring |
| bandwhich | Network utilization | snap | monitoring |
| ncdu | Disk usage analyzer | apt | monitoring |
| dstat | System statistics | apt | monitoring |
| sysstat | Performance tools | apt | monitoring |
| atop | Advanced monitor | apt | monitoring |
| logwatch | Log analyzer | apt | monitoring |


### 🌐 Network Tools
| Package | Description | Source | Role |
|---------|-------------|--------|------|
| tailscale | Mesh VPN client | tailscale | tailscale |
| tailscaled | Tailscale daemon | tailscale | tailscale |

### 🖱️ Desktop Applications
| Package | Description | Source | Role |
|---------|-------------|--------|------|
| brave-browser | Privacy-focused browser | brave | applications |
| libreoffice | Office suite | apt | applications |
| evince | PDF viewer | apt | applications |
| redshift | Blue light filter | apt | applications |

### 📝 Code Editors
| Package | Description | Source | Role |
|---------|-------------|--------|------|
| code | Visual Studio Code | snap | snap |
| cursor | AI-powered editor | snap | snap |

## Installation by Playbook

### dev-playbook.yml
Installs all roles for development machines:
- All system tools
- Development environment
- Docker platform
- Shell configuration
- Desktop applications
- Monitoring tools
- Tailscale VPN

### local-playbook.yml
Installs for local machine management:
- Core system tools
- Shell environment
- Development basics
- Selected applications

### maintenance-playbook.yml
Maintains existing installations:
- System updates
- Package cleanup
- Security updates

## Custom Scripts

### System Information
- `/usr/local/bin/monitoring/sysinfo` - System overview dashboard
- `/usr/local/bin/monitoring/netinfo` - Network information


## Package Sources

| Source | Description | Configuration |
|--------|-------------|---------------|
| apt | Debian/Ubuntu packages | System default |
| snap | Snap packages | snapd daemon |
| docker | Docker repository | Docker GPG key + repo |
| tailscale | Tailscale repository | Tailscale GPG key + repo |
| brave | Brave browser repository | Brave GPG key + repo |
| git | Git repositories | Direct clone |

## Services Enabled

| Service | Description | Management |
|---------|-------------|------------|
| docker | Container runtime | systemctl |
| tailscaled | VPN daemon | systemctl |
| ufw | Firewall | systemctl |
| fail2ban | Intrusion prevention | systemctl |
| sshd | SSH server | systemctl |
| snapd | Snap daemon | systemctl |
| sysstat | System statistics | systemctl |

## Version Management

Most packages are installed from distribution repositories and update with system updates. Exceptions:
- **Docker**: Tracks Docker CE stable channel
- **Node.js**: Latest LTS from NodeSource
- **Tailscale**: Latest stable from Tailscale repository

## Total Count: 65+ Applications

- **System & Security**: 20+ tools
- **Development**: 6+ tools
- **Shell Environment**: 7+ components
- **Monitoring**: 15+ tools
- **Container Platform**: 5 components
- **Desktop Applications**: 6+ apps
- **Network**: 2+ tools
- **Custom Scripts**: 4+ scripts