ERPNext V12 easy install on fresh Ubuntu 18.04 error code 1

Install / Update
1

Hello i want to install install erpnext V12 on Ubuntu 18.04

After when I try to install

It shows this error

izatafghan@vmi552623:~$ sudo python3 install.py --production
[sudo] password for izatafghan:
Logs are saved under /tmp/logs/easy-install__2021-03-27__17-34.log
Checking System Compatibility…
ubuntu 18 is compatible!
Extracting templates from packages: 100%
curl already installed!
wget already installed!
git already installed!
Installing pip3…
pip3 installed!
Command “python setup.py egg_info” failed with error code 1 in /tmp/pip-build-d0dp52ns/cryptography/
Traceback (most recent call last):
File “install.py”, line 436, in
install_prerequisites()
File “install.py”, line 143, in install_prerequisites
‘python3’: “sudo -H python3 -m pip install --upgrade setuptools cryptography ansible==2.8.5 pip”
File “install.py”, line 118, in run_os_command
returncode = subprocess.check_call(command, shell=True, stdout=log_stream, stderr=sys.stderr)
File “/usr/lib/python3.6/subprocess.py”, line 311, in check_call
raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command ‘sudo -H python3 -m pip install --upgrade setuptools cryptography ansible==2.8.5 pip’ returned non-zero exit status 1.

Please help.

Thanks in advance

2

May we know which easy install method is being followed?

3

I tried this method

https://discuss.frappe.io/t/easy-install-complete-guide-ubuntu-18-04-3-erpnext-v12-sorry-we-will-be-back-soon-don-t-panic-fixed

Also this one

Both show the same error

My VPS server has 8gb ram 4core and 200SSD capacity. With all opened ports related to erpnext

4

If you can dump the output of this file, it would give a better idea what the issue is.

5

This is log file

GNU nano 2.9.3 easy-install__2021-03-28__18-54.log
Hit:1 http://asi-fs-d.contabo.net/ubuntu bionic InRelease Hit:2 http://asi-fs-d.contabo.net/ubuntu bionic-updates InRelease
Hit:3 http://asi-fs-d.contabo.net/ubuntu bionic-backports InRelease
Hit:4 http://security.ubuntu.com/ubuntu bionic-security InRelease
Reading package lists… Reading package lists…
Building dependency tree…
Reading state information… build-essential is already the newest version (12.4ubuntu1).
libffi-dev is already the newest version (3.2.1-8). python3-setuptools is already the newest version (39.0.1-2).
git is already the newest version (1:2.17.1-1ubuntu0.8). python3-dev is already the newest version (3.6.7-1~18.04).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Collecting setuptools Using cached https://files.pythonhosted.org/packages/9e/d4/b99a960314121a003e9f39c61dfd$Collecting cryptography
Using cached https://files.pythonhosted.org/packages/9b/77/461087a514d2e8ece1c975d8216b$ Complete output from command python setup.py egg_info:

        =============================DEBUG ASSISTANCE==========================
        If you are seeing an error here please try the following to
        successfully install cryptography:
        Upgrade to the latest pip and try again. This will fix errors for most
        users. See: https://pip.pypa.io/en/stable/installing/#upgrading-pip
        =============================DEBUG ASSISTANCE==========================

Traceback (most recent call last):
  File "<string>", line 1, in <module>                                                      File "/tmp/pip-build-o3jkhdhv/cryptography/setup.py", line 14, in <module>
    from setuptools_rust import RustExtension
ModuleNotFoundError: No module named 'setuptools_rust'                                
----------------------------------------

Install script run at 18:54 on 2021-03-28

           [ File 'easy-install__2021-03-28__18-54.log' is unwritable ]