FOSS CLIs and Tools

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1. Curated list of new Linux CLI commands to use:

Path & latency diagnostics

  • trippy → a modern TUI traceroute with real-time per-hop stats, TUI graphs, and support for ICMP/TCP/UDP probing

  • gping → ping with a live graph in the terminal, supports multiple hosts simultaneously

  • mtr → continuous traceroute + ping hybrid; now with --json and TCP probing for ICMP-filtered paths

  • ttl → A Rust based mtr TUI, ECMP aware - gives ASN, GeoIP, IX detection ttl 8.8.8.8; sudo ttl 8.8.8.8 --flows 4 -p udp # ECMP multi-path view; sudo ttl example.com --dscp 46 # QoS validation

  • gobgp / asn → BGP/ASN lookup and traceroute enrichment

Packet analysis

  • termshark → a Wireshark-like TUI for analyzing pcaps in the terminal
  • tshark → structured packet analysis with JSON/field output for pipelines
  • tcpdump → still the capture standard, but use ring buffers (-C 100 -W 10) for intermittent faults

DNS

  • doggo / dog → a modern dig replacement with colorful output and DoH/DoT support
  • dnspyre → DNS benchmarking and propagation testing from the terminal
  • dnsglobe → watch DNS propagation across global resolvers (from your earlier list)

Connections & sockets

  • ss → the proper replacement for netstat (net-tools is unmaintained); ss -ti shows per-socket RTT and retransmits. My fab is ss -tulanp
  • bandwhich → see which processes are using bandwidth, live
  • gping / iperf3 → iperf3 now emits --json for graphing or CI gating

Device telemetry

  • gnmic → gNMI CLI for streaming state from modern Arista/Cisco/Juniper/Nokia gear, with an interactive YANG browser
  • ttg → ttg uses snmpv2/v3 to pull interface and displays bandwidth usage

1.2 Random List

  • exa → User-friendly defaults and color-coded output
  • lsd → Modern ls with colors and icons
  • duf → Combines du and df in a pretty and structured way
  • dysk (lfs) → Show disk usage and available space via intuitive TUI
  • dust → A more intuitive version of du written in rust
  • ncdu → TUI-based disk usage analyzer
  • bat → A cat clone with syntax highlight and git integration
  • mdcat → A fancy version of cat for Markdown format
  • ccat → Colorizing cat with syntax highlighting
  • fcp → A significantly faster alternative to cp
  • rsync → Incremental copy with integrity verification
  • choose → A human-friendly and fast alternative to cut
  • tuc → Split and reassemble text more flexibly
  • dcfl/dd → Enhanced dd with features for forensics and security
  • multitail → Tail for multiple files shown in separate TUI windows
  • sleepenh → Sleep with microsecond resolution
  • rip → rm with focus on safety, ergonomics and performance
  • trash-cli → CLI for gnome, kde and xfce trash can

1.3 Random List

  • gitlogue → replay your Git history as an animation
  • VisiData → explore CSV files and datasets in the terminal
  • oxker → manage Docker containers in one interface
  • llmfit → find local AI models that fit your hardware
  • croc → send files between computers, end-to-end encrypted
  • grex → generate regular expressions from examples
  • kondo → clean build artifacts and free disk space
  • Worktrunk → manage Git worktrees (and AI coding agents)
  • yq → read and update YAML, JSON, XML, CSV and TOML
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