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Add regenerate_certificate.md

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kload@kload.fr 2014-10-09 11:28:30 +02:00 • committed by YunoHost
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# Regenerate certificate
If you want to generate again -- not renewing -- a certificate for domain, you can follow those steps:
(replace **example.org** with your domain)
```bash
# Save YunoHost's SSL directory location for readability
ssldir=/usr/share/yunohost/yunohost-config/ssl/yunoCA
# Backup current certificates for your domain
cp -a /etc/yunohost/certs/example.org /etc/yunohost/certs/example.org.back
# Remove certs and configuration file in it
rm /etc/yunohost/certs/example.org/{crt.pem,key.pem,openssl.cnf}
# Copy openSSL's configuration file
cp $ssldir/openssl.cnf /etc/yunohost/certs/
# Save the serial number of the new certificate
serial=$(cat "$ssldir/serial")
# Generate certificate and key
openssl req -new -config /etc/yunohost/certs/openssl.cnf -days 3650 -out $ssldir/certs/yunohost_csr.pem -keyout $ssldir/certs/yunohost_key.pem -nodes -batch
# Sign certificate with your server's CA
openssl ca -config /etc/yunohost/certs/openssl.cnf -days 3650 -in $ssldir/certs/yunohost_csr.pem -out $ssldir/certs/yunohost_crt.pem -batch
# Copy certificate and key to the right place
cp $ssldir/newcerts/$serial.pem /etc/yunohost/certs/crt.pem
cp $ssldir/certs/yunohost_key.pem /etc/yunohost/certs/key.pem
# Fix permissions
chmod 755 /etc/yunohost/certs
chmod 640 /etc/yunohost/certs/key.pem /etc/yunohost/certs/crt.pem
chmod 600 /etc/yunohost/certs/openssl.cnf
# Allow metronome to access those certificates
chown root:metronome /etc/yunohost/certs/key.pem /etc/yunohost/certs/crt.pem
```