when you run a command on centos7, the following prompt appears:
2018-07-20 15:00:05 INFO: This system doesn"t provide enough entropy to quickly generate high-quality random numbers.
Installing the rng-utils/rng-tools, jitterentropy or haveged packages may help.
On virtualized Linux environments, also consider using virtio-rng.
The service will not start until enough entropy has been collected.
prompts you to install the following four tools:
rng-tools
jitterentropy
haveged packages
virtio-rng
you can install rng-tools through yum install , but the following three jitterentropy , haveged packages , and virtio-rng do not know how to install, and Baidu has no results.
question:
how to install jitterentropy , haveged packages , virtio-rng ?