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fping

fping is a program to send ICMP echo probes to network hosts, similar to ping,
but much better performing when pinging multiple hosts. fping has a long long
story: Roland Schemers did publish a first version of it in 1992 and it has
established itself since then as a standard tool.

Current maintainer:
David Schweikert <david@schweikert.ch>

Website:
https://fping.org/

Mailing-list:
https://groups.google.com/group/fping-users

Installation

If you want to install fping from source, proceed as follows:

Run ./autogen.sh
(only if you got the source from Github).
Run ./configure with the correct arguments.
(see: ./configure --help)
Run make; make install.
Make fping either setuid, or, if under Linux:
sudo setcap cap_net_raw,cap_net_admin+ep fping

If you can't run fping as root or can't use the cap_net_raw capability, you can
also run fping in unprivileged mode. This works on MacOS and also on Linux,
provided that your GID is included in the range defined in
/proc/sys/net/ipv4/ping_group_range. This is particularly useful for running
fping in rootless / unprivileged containers. The --fwmark option needs root or
cap_net_admin.

Usage

Have a look at the fping(8) manual page for usage help.
(fping -h will also give a minimal help output.)

Docker usage

You can use the current Docker image from the develop branch directly from GitHub.

Github Docker: ghcr.io/schweikert/fping:latest

The following example uses podman, but you can replace podman with docker if you prefer.

Load or update Docker image

podman pull ghcr.io/schweikert/fping:latest

Run fping

podman run --rm fping:latest 127.0.0.1

Credits

Original author: Roland Schemers (schemers@stanford.edu)
Previous maintainer: RL "Bob" Morgan (morgan@stanford.edu)
Initial IPv6 Support: Jeroen Massar (jeroen@unfix.org / jeroen@ipng.nl)
Other contributors: see CHANGELOG.md

Fping