Bench Init failed

Ubuntu Server
Description:Ubuntu 16.04.6 LTS
Release:16.04
Codename:xenial
GUI: Ubuntu-desktop

It is vm on hyper v

ok i will share my installation document follow from first
PYTHON

  • sudo apt-get update

  • sudo apt-get install python-minimal

     			MARIA DB
    
  • sudo apt-get install software-properties-common

  • sudo apt-key adv --recv-keysā€“keyserverhkp://keyserver.ubuntu.com:800xF1656F24C74CD1D8

  • sudo add-apt-repository ā€˜deb [arch=amd64,arm64,i386,ppc64el] http://ftp.yz.yamagata-u.ac.jp/pub/dbms/mariadb/repo/10.3/ubuntu xenial mainā€™

  • sudo apt update

  • sudo apt install mariadb-server

  • sudo apt-get install libmysqlclient-dev

  • sudo nano /etc/mysql/my.cnf

###Insert the below line:

[mysqld]

character-set-client-handshake = FALSE
character-set-server = utf8mb4
collation-server = utf8mb4_unicode_ci

[mysql]

default-character-set = utf8mb4

##Ctrl+o to save

  • sudo systemctl restart mariadb

  • sudo systemctl enable mariadb

sudo apt-key adv --recv-keysā€“keyserverhkp://keyserver.ubuntu.com:800xF1656F24C74CD1D8
Executing: /tmp/tmp.TfE0wy66CZ/gpg.1.sh --recv-keysā€“keyserverhkp://keyserver.ubuntu.com:800xF1656F24C74CD1D8
gpg: Invalid option ā€œā€“recv-keysā€“keyserverhkp://keyserver.ubuntu.com:ā€
ciatek@erpnext:/opt/erpnext$ sudo apt-key adv --recv-keysā€“keyserverhkp://keyserver.ubuntu.com:800xF1656F24C74CD1D8
Executing: /tmp/tmp.9blI29UfQK/gpg.1.sh --recv-keysā€“keyserverhkp://keyserver.ubuntu.com:800xF1656F24C74CD1D8
gpg: Invalid option ā€œā€“recv-keysā€“keyserverhkp://keyserver.ubuntu.com:ā€