categraf/inputs/ping

File Limit

systemctl edit categraf

Increase the number of open files:

[Service]
LimitNOFILE=8192

Restart Categraf:

systemctl restart categraf

Linux Permissions

On most systems, ping requires CAP_NET_RAW capabilities or for Categraf to be run as root.

With systemd:

systemctl edit categraf

[Service]
CapabilityBoundingSet=CAP_NET_RAW
AmbientCapabilities=CAP_NET_RAW

systemctl restart categraf

Without systemd:

setcap cap_net_raw=eip /usr/bin/categraf

Reference man 7 capabilities for more information about setting capabilities.

Other OS Permissions

When using method = "native", you will need permissions similar to the executable ping program for your OS.