frax-net-utils

Collection of useful network utilities for Linux.

This is free software written by Fredrik Ax <nw-watchdog@axnet.nu>.
Feel free to modify and/or (re)distribute it in any way you like.
... it's always nice to be mentioned though ;-)

frax-net-utils comes with ABSOLUTELY NO WARRANTY.

• pingarp [ -d ] [ --lladdr ] HOSTNAME | IPv4ADDRESS
  

  pings an host and waits for the arp cache to get updated before printing the resulting arp-cache info

  --lladdr to only print the unique Link Local (hw/mac) Address(es)
  -d to show ping result and progress waiting for arp cache to get updated

• pingsweep [ OPTIONS ] CIDR1 [ CIDR2 ... CIDRN ]
  

  parallell ping of all hosts in the provided CIDR(s) to check which hosts are up

  --help | -h show usage instructions and examples
  --sort | -s to sort the output
  --arp | -a to check arp cache upon no ping reply from host in local subnet
  --verbose | -v outputs detailed result for every address checked

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Installation:
Downloads the above listed scripts, as well as the updater and uninstaller, to /usr/local/bin and make them readable and executable for all users.

curl -s https://raw.githubusercontent.com/fraxflax/frax-net-utils/refs/heads/main/install-frax-net-utils.sh | sudo sh

Once installed:

To update to latest version run:

sudo update-frax-net-utils.sh

To uninstall run:

sudo uninstall-frax-net-utils.sh

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Also check out nw-watchdog for a higly configurable network watchdog.

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