VIBs Installed: web-wack-creations_bootbank_w2c-letsencrypt-esxi_1.0.0-0.0.0 Message: Operation finished successfully. $ esxcli software vib install -v /tmp/w2c-letsencrypt-esxi.vib -f W2c-letsencrypt-esxi can be installed via SSH or the Web UI (= Embedded Host Client). Note: As soon as you install this software, any existing, non Let's Encrypt certificate gets replaced! Install The hostname you specified can be resolved via A and/or AAAA records in the corresponding DNS zone.Something like localhost.localdomain will not work A Fully Qualified Domain Name (FQDN) is set in ESXi.Your server is publicly reachable over the Internet.Prerequisitesīefore installing w2c-letsencrypt-esxi, ensure the following preconditions are met: Despite the enormous popularity of Let's Encrypt, there is no convenient way to automatically request, renew or remove certificates in ESXi. This situation not only leads to annoying warnings in the browser when calling the Web UI, but can also be the reason for serious security problems. Many ESXi servers are accessible over the Internet and use self-signed X.509 certificates for TLS connections.

Configurable: Customizable parameters for renewal interval, Let's Encrypt (ACME) backend, etc.Persistent: The certificate, private key and all settings are preserved over ESXi upgrades.Auto-renewal: A cronjob runs once a week to check if a certificate is due for renewal.Fully-automated: Requesting and renewing certificates without user interaction.

Packaged as a VIB archive or Offline Bundle, install/upgrade/removal is possible directly via the web UI or, alternatively, with just a few SSH commands. W2c-letsencrypt-esxi is a lightweight open-source solution to automatically obtain and renew Let's Encrypt certificates on standalone VMware ESXi servers.

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