Difference between revisions of "OS/Entropy"
From Observer GigaFlow Support | VIAVI Solutions Inc.
Kevin Wilkie (Talk | contribs) (Created page with "Check Entropy Figure cat /proc/sys/kernel/random/entropy_avail") |
Kevin Wilkie (Talk | contribs) |
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Check Entropy Figure | Check Entropy Figure | ||
− | cat /proc/sys/kernel/random/entropy_avail | + | cat /proc/sys/kernel/random/entropy_avail |
+ | |||
+ | If necessary, install rng tools and start, then recheck entropy | ||
+ | yum -y install rng-tools | ||
+ | systemctl start rngd | ||
+ | systemctl enable rngd | ||
+ | |||
+ | |||
+ | Check the status of rngd | ||
+ | systemctl status rngd | ||
+ | |||
+ | If you see a failure | ||
+ | rngd.service - Hardware RNG Entropy Gatherer Daemon | ||
+ | Loaded: loaded (/usr/lib/systemd/system/rngd.service; enabled; vendor preset: enabled) | ||
+ | Active: failed (Result: exit-code) since Wed 2016-11-09 09:40:02 GMT; 1min 23s ago | ||
+ | Main PID: 12778 (code=exited, status=1/FAILURE) |
Revision as of 09:42, 9 November 2016
Check Entropy Figure
cat /proc/sys/kernel/random/entropy_avail
If necessary, install rng tools and start, then recheck entropy
yum -y install rng-tools systemctl start rngd systemctl enable rngd
Check the status of rngd
systemctl status rngd
If you see a failure
rngd.service - Hardware RNG Entropy Gatherer Daemon Loaded: loaded (/usr/lib/systemd/system/rngd.service; enabled; vendor preset: enabled) Active: failed (Result: exit-code) since Wed 2016-11-09 09:40:02 GMT; 1min 23s ago Main PID: 12778 (code=exited, status=1/FAILURE)