Problem: univention-upgrade Stops with CERTIFICATE_VERIFY_FAILED

upgrade
certificates
apt
problem

#1

Problem

univention-upgrade stops with CERTIFICATE_VERIFY_FAILED errror.

root@ucs:~# univention-upgrade
Starting univention-upgrade. Current UCS version is 4.3-3 errata410

Checking for local repository:                          none
The connection to the repository server failed: Configuration error: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:661). Please check the repository configuration and the network connection.

Solution

Update current certificates by executing:
root@ucs:~# update-ca-certificates