created: 20190618154531946
creator: vplesnila
modified: 20190622101908943
modifier: vplesnila
tags: [[Apache HTTPD]]
title: acme_tiny.py - Let's Encrypt - Free SSL/TLS Certificates
type: text/vnd.tiddlywiki
!! Create a Let's Encrypt account private key
```
openssl genpkey -algorithm rsa -pkeyopt rsa_keygen_bits:4096 -out /data/wwwroot/cassandra.itemdb.com/private/letsencrypt.key
```
Create a DOMAIN private key
```
openssl genrsa 4096 > /data/wwwroot/cassandra.itemdb.com/private/domain.key
```
!! Create a certificate signing request (CSR) for your domain
```
openssl req -new -sha256 -key domain.key -subj "/CN=cassandra.itemdb.com" > /data/wwwroot/cassandra.itemdb.com/private/domain.csr
```
!! Create directory for website host challenge files
```
mkdir -p /data/wwwroot/cassandra.itemdb.com/public/.well-known/acme-challenge
```
!! Get (or renew) a signed certificate
```
/root/shell/acme_tiny.py \
--account-key /data/wwwroot/cassandra.itemdb.com/private/letsencrypt.key \
--csr /data/wwwroot/cassandra.itemdb.com/private/domain.csr \
--acme-dir /data/wwwroot/cassandra.itemdb.com/public/.well-known/acme-challenge > /data/wwwroot/cassandra.itemdb.com/private/signed_chain.crt
```
!! Apache configuration
```
ServerName cassandra.itemdb.com
Redirect permanent / https://cassandra.itemdb.com
DocumentRoot "/data/wwwroot/cassandra.itemdb.com/public/"
Options Indexes FollowSymLinks
AllowOverride All
Require all granted
ServerName cassandra.itemdb.com
SSLEngine on
SSLCertificateFile "/data/wwwroot/cassandra.itemdb.com/private/signed_chain.crt"
SSLCertificateKeyFile "/data/wwwroot/cassandra.itemdb.com/private/domain.key"
DocumentRoot "/data/wwwroot/cassandra.itemdb.com/public/"
DirectoryIndex index.php index.htm index.html
Options Indexes FollowSymLinks
AllowOverride All
Require all granted
```