[root@openEuler ~]# yum install -y haveged
Last metadata expiration check: 0:18:30 ago on Thu 26 Nov 2020 06:11:21 PM JST.
Dependencies resolved.
==============================================================================================================================================================================================================================================================================
 Package                                                          Architecture                                                     Version                                                               Repository                                                      Size
==============================================================================================================================================================================================================================================================================
Installing:
 haveged                                                          aarch64                                                          1.9.13-2.oe1                                                          Euler                                                           61 k

Transaction Summary
==============================================================================================================================================================================================================================================================================
Install  1 Package

Total download size: 61 k
Installed size: 261 k
Downloading Packages:
haveged-1.9.13-2.oe1.aarch64.rpm                                                                                                                                                                                                              3.2 MB/s |  61 kB     00:00
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Total                                                                                                                                                                                                                                         2.6 MB/s |  61 kB     00:00
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
  Preparing        :                                                                                                                                                                                                                                                      1/1
  Installing       : haveged-1.9.13-2.oe1.aarch64                                                                                                                                                                                                                         1/1
  Running scriptlet: haveged-1.9.13-2.oe1.aarch64                                                                                                                                                                                                                         1/1
  Verifying        : haveged-1.9.13-2.oe1.aarch64                                                                                                                                                                                                                         1/1

Installed:
  haveged-1.9.13-2.oe1.aarch64

Complete!
[root@openEuler ~]# systemctl start haveged
[root@openEuler ~]# systemctl status haveged
● haveged.service
   Loaded: loaded (/usr/lib/systemd/system/haveged.service; disabled; vendor preset: disabled)
   Active: failed (Result: exit-code) since Thu 2020-11-26 18:29:58 JST; 2s ago
  Process: 74942 ExecStart=/usr/sbin/haveged ${PARAMETER} (code=exited, status=1/FAILURE)
 Main PID: 74942 (code=exited, status=1/FAILURE)

Nov 26 18:29:58 openEuler systemd[1]: haveged.service: Service RestartSec=100ms expired, scheduling restart.
Nov 26 18:29:58 openEuler systemd[1]: haveged.service: Scheduled restart job, restart counter is at 5.
Nov 26 18:29:58 openEuler systemd[1]: Stopped haveged.service.
Nov 26 18:29:58 openEuler systemd[1]: haveged.service: Start request repeated too quickly.
Nov 26 18:29:58 openEuler systemd[1]: haveged.service: Failed with result 'exit-code'.
Nov 26 18:29:58 openEuler systemd[1]: Failed to start haveged.service.
[root@openEuler ~]#