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This document is a WORK IN PROGRESS.
This is just a quick personal cheat sheet: treat its contents with caution!


fping

fping is a program to send ICMP echo probes to network hosts, similar to ping, but much better performing when pinging multiple hosts.

Reference(s)

Table of contents


Install

# pacman -S fping
# emerge -a net-analyzer/fping
# apt install fping
# nix-env -iA nixos.fping
# nix-env -iA nixpkgs.fping
# yum install fping
# dnf install fping

Use

  • fping multiple IPs directly:

    $ fping 50.116.66.139 173.194.35.35 98.139.183.24
    

  • list alive hosts within a subnet generated from a netmask:

    $ fping -a -g 192.168.1.0/24
    

  • list alive hosts within a subnet generated from an IP range:

    $ fping -a -g 192.168.1.1 192.168.1.254
    

  • list unreachable hosts within a subnet generated from a netmask:

    $ fping -u -g 192.168.1.0/24
    


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