System-Tools is a collection of utilities for system management and
maintenance.

The package includes:
- System-Info: Displays system status (CPU, memory, storage, network)
  and configurable login banners.
- System-Maintenance: Automates package updates, old kernel removal,
  and storage cleanup (e.g., SSD trimming).
- Reset-Machine-ID: Resets machine IDs, hostnames, and SSH keys for
  cloned machines.
- Fingerprint-SSH-Keys: Shows the machine's SSH public key fingerprints
  in different formats.
- Configure-GRUB: Configures options for the GRUB boot loader.
- Print-UTF8: Prints UTF-8 text with options for centering,
  adjusting, etc.
- Text-Block: Edits files or streams by inserting, replacing, or
  removing text blocks.
- Unix-Timestamp-Tools: Convert Unix timestamps (s, ms, us, ns) to
  and from date/time strings.
- Try-Hard: Retries commands with a configurable backoff.
- Random-Sleep: Waits for a random time span, with support for
  fractional seconds.
- X.509-Tools: Provide utilities for viewing, verifying, and
  converting X.509 certificates, and testing TLS connections.

The utilities are suitable for non-interactive use in shell scripts and
feature native internationalization support via GNU gettext.