# Author: Paul Elliott and Jeffrey Walton
# Copyright: Assigned to FSF
# License: any GPL license

[Unit]
Description=Entropy daemon for /dev/random using hardware generator

# Results in "Failed to restart rng-tools.service:
#             Unit syslog.target not found" on occasion
#After=syslog.target
#Requires=syslog.target

# Don't try to restart the daemon on shutdown
Conflicts=shutdown.target

# These two settings combined with Restart means 5 retries, 2 seconds apart
StartLimitIntervalSec=10
StartLimitBurst=5

[Service]
Type=simple
ExecStart=/usr/sbin/rngd -r /dev/hwrng -f

# Service usually fails to start on boot. Give it some time to recover
Restart=on-failure
RestartSec=2

[Install]
WantedBy=basic.target