# Comprehensive Linux Troubleshooting Tools Guide

This guide provides an overview of key packages and their included tools for effective troubleshooting in Linux environments, specifically tailored for RHEL and Debian-based distributions.

## Tools Commonly Included in Most Linux Distributions

- **GNU Coreutils**: A collection of basic file, shell, and text manipulation utilities. Key tools include:
  - `df`: Reports file system disk space usage.
  - `du`: Estimates file space usage.

- **Util-linux**: A suite of essential utilities for system administration. Key tools include:
  - `dmesg`: Examines or controls the kernel ring buffer.

- **IPUtils**: Provides tools for network diagnostics. Key tools include:
  - `ping`: Checks connectivity with hosts.
  - `traceroute`: Traces the route taken by packets to reach a network host.

## RHEL (Red Hat Enterprise Linux) and Derivatives

- **Procps-ng**: Offers utilities that provide information about processes. Key tools include:
  - `top`: Displays real-time system summary and task list.
  - `vmstat`: Reports virtual memory statistics.

- **Net-tools**: A collection of programs for controlling the network subsystem of the Linux kernel. Includes:
  - `netstat`: Shows network connections, routing tables, and interface statistics.

- **IPRoute**: Modern replacement for net-tools. Key utility:
  - `ss`: Investigates sockets.

- **Sysstat**: Contains utilities to monitor system performance and usage. Notable tools:
  - `iostat`: Monitors system I/O device loading.
  - `sar`: Collects and reports system activity information.

- **EPEL Repository** (for tools not included by default):
  - `htop`: An interactive process viewer, enhanced version of `top`.

## Debian and Derivatives

- **Procps**: Similar to procps-ng in RHEL, it provides process monitoring utilities. Key tools include:
  - `top`: For real-time process monitoring.
  - `vmstat`: For reporting virtual memory statistics.

- **Net-tools**: As with RHEL, includes essential networking tools like `netstat`.

- **IPRoute2**: A collection of utilities for controlling and monitoring various aspects of networking in the Linux kernel, featuring:
  - `ss`: A utility for inspecting sockets.

- **Sysstat**: Similar to its usage in RHEL, includes tools like `iostat` and `sar` for performance monitoring.

## Conclusion

This guide emphasizes the importance of familiarizing oneself with the tools included in standard Linux packages. Whether you are operating in a RHEL or Debian-based environment, understanding the capabilities of these tools and their respective packages is crucial for effective troubleshooting and system monitoring.