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=====Actions in case of problems with TLS/SSL certificates on VEOS=====

In case you have a problem with installing packages on the server and you see an error like this:
<code bash>
  - Curl error (60): Peer certificate cannot be authenticated with given CA certificates for https://repo.vasexperts.com/veos/8/BaseOS/x86_64/os/repodata/repomd.xml [SSL certificate problem: certificate has expired]Error: Failed to download metadata for repo «baseos»: Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried
</code>

  - You need to check the date and time on the server/in the bios. The date and time must be up to date.\\ \\ The output of ''timedatectl'' should state: ''System clock synchronized: yes''.\\ If not specified, edit ''/etc/chrony.conf'', then execute ''systemctl restart chronyd''.\\ \\ You can also swap out the VEOS pool for the Centos pool: ''pool 2.veos.pool.ntp.org'' → ''pool 2.centos.pool.ntp.org''
  - Verify that the root TLS certificate is not being spoofed:<code bash>openssl s_client -connect abcdef.com:443</code>
  - Check firewall settings — port 443 should be open.
  - Disable ''sslverify'' in ''/etc/dnf.conf'' (the line ''sslverify=0'' should be added).

<note important>Disabling ''sslverify'' is an extreme and unrecommended measure that only disables certificate verification when installing packages, while other utilities (like ''curl'') will not work.</note>