1. Accedeix al servidor via SSH

ssh usuari@ip_del_servidor

Warning: Data should only be stored in shared folders. Data stored elsewhere
may be deleted when the system is updated/restarted.

urqtejmi@syn_beseit:~$

2. Navega fins a la carpeta o bé indica la ruta completa

Si vols estar dins del directori on es troba la clau:

cd /volume1/web/csr/

urqtejmi@syn_beseit:~$ cd /volume1/web/csr/
urqtejmi@syn_beseit:/volume1/web/csr$ dir
total 8
drwxrwxrwx+ 1 urqtejmi users 52 Jun 28 12:46 .
drwxrwxrwx+ 1 root root 5170 Jun 28 14:04 ..
-rwxrwxrwx+ 1 urqtejmi users 1704 Jul 24 2024 server.key
-rwxrwxrwx+ 1 urqtejmi users 2230 Jul 24 2024 urquizu_info.crt
urqtejmi@syn_beseit:/volume1/web/csr$

🧾 3. Genera el CSR utilitzant la clau privada existent

openssl req -new -key server.key -out server.csr

urqtejmi@syn_beseit:/volume1/web/csr$ openssl req -new -key server.key -out server.csr
Can’t load /var/services/homes/urqtejmi/.rnd into RNG
139961559664448:error:2406F079:random number generator:RAND_load_file:Cannot open file:crypto/rand/randfile.c:98:Filename=/var/services/homes/urqtejmi/.rnd
You are about to be asked to enter information that will be incorporated
into your certificate request.
What you are about to enter is what is called a Distinguished Name or a DN.
There are quite a few fields but you can leave some blank
For some fields there will be a default value,

If you enter ‘.’, the field will be left blank.

Country Name (2 letter code) [TW]:—>ES, TE, Beceite,

Organization Name (eg, company) [Synology Inc.]:MUT

Organizational Unit Name (eg, section) []:

Common Name (e.g. server FQDN or YOUR name) []:urquizu.info

Email Address [product@synology.com]:urqtejmi@gmail.com

Please enter the following ‘extra’ attributes

to be sent with your certificate request

A challenge password []:

An optional company name []:

urqtejmi@synology_vall:~$

urqtejmi@syn_beseit:/volume1/web/csr$ dir
total 12
drwxrwxrwx+ 1 urqtejmi users   72 Jun 28 17:57 .
drwxrwxrwx+ 1 root     root  5170 Jun 28 14:04 ..
-rwxrwxrwx+ 1 urqtejmi users 1021 Jun 28 17:57 server.csr
-rwxrwxrwx+ 1 urqtejmi users 1704 Jul 24  2024 server.key
-rwxrwxrwx+ 1 urqtejmi users 2230 Jul 24  2024 urquizu_info.crt
urqtejmi@syn_beseit:/volume1/web/csr$

FITXER	TIPUS	PROPOSIT
server.key	Clau privada	No es comparteix mai. És necessària per desxifrar connexions.
server.csr	Sol·licitud de certificat	Certificat públic Es lliura a la CA per obtenir un certificat signat.
server.crt	Certificat públic	És retornat per la CA. Es fa servir amb la clau privada per activar HTTPS.