tldr/pages/linux/haveged.md

haveged

Hardware-based random number generator. More information: https://manned.org/haveged.

• Generate a random number:

sudo haveged

• Run haveged in foreground:

sudo haveged {{[-F|--Foreground]}}

• Set file path for output of haveged:

sudo haveged {{[-f|--file]}} {{path/to/file}}

• Set run level for daemon:

sudo haveged {{[-r|--run]}} {{runlevel}}

• Set collection buffer size in kibibyte words:

sudo haveged {{[-b|--buffer]}} {{buffersizeinKW}}

• Insert a command to an already running haveged process or daemon:

sudo haveged {{[-c|--command]}} {{command}}

• Set cache size in kibibyte words:

sudo haveged {{[-d|--data]}} {{cachesizeinKW}}

• Set number of bytes to write to the output file:

sudo haveged {{[-n|--number]}} {{byteamount}}