/opt/unetlab/wrappers/unl_wrapper: Permission denied

[dabingmin]

Could you help me, please

root@eve-ng:~# /opt/unetlab/wrappers/unl_wrapper -a fixpermissions
-su: /opt/unetlab/wrappers/unl_wrapper: Permission denied
root@eve-ng:~#
root@eve-ng:~# dpkg -l eve-ng
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++-==============================-====================-====================-=================================================================
ii eve-ng 2.0.3-110 amd64 A new generation software for networking labs.
root@eve-ng:~# cat /proc/version
Linux version 4.20.17-eve-ng-ukms+ (root@eve-ng-com) (gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.11)) #2 SMP Wed Jun 5 08:18:06 CEST 2019
root@eve-ng:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.6 LTS
Release: 16.04
Codename: xenial
root@eve-ng:~#

How do I operate it

[Uldis (UD)]

chmod +x /opt/unetlab/wrappers/unl_wrapper

amd try

[dabingmin]

Thanks for your reply. It has been successfully solved

root@eve-ng:apt remove eve-ng
root@eve-ng:apt install eve-ng