pode dar uma olhada em https://www.openssl.org/docs/manmaster/apps/req.html para mais opcoes.$ sudo openssl req $@-new -x509 -days 1095 -nodes -out /etc/nginx/cert.pem -keyout /etc/nginx/cert.key Modifique as permissoes para garantir seguranca.$ sudo chmod 600 /etc/nginx/cert.pem$ sudo chmod 600 /etc/nginx/cert.key Eu alterei meu arquivo /etc/hosts para poder chamar o meu PI2 de pi-owncloud.Altere o arquivo /etc/php5/fpm/php.ini:Ache upload_max_filesize e troque o valor para 2000MAche post_max_size e troque o valor para 2000MGrave o arquivo alterado. Isto vai permitir transferencias de arquivos de 2GB (este e o limite).Altere o arquivo /etc/php5/fpm/pool.d/www.conf. Ache a linha:listen = /var/run/php5-fpm.socke troque paralisten = 127.0.0.1:9000Grave o arquivo.Abra o arquivo /etc/dphys-swapfile e altere a linha contendo:CONF_SWAPSIZE=100paraCONF_SWAPSIZE=512Grave o arquivo.Vamos ativar o fpm:$ sudo update-rc.d php5-fpm enable Altere o arquivo /etc/nginx/site-available/default (este e o conteudo completo do meu arquivo de configuracao):upstream php-handler { # para usar php5-fpm server 127.0.0.1:9000; #server unix:/var/run/php5-fpm.sock;}server { listen 80; server_name pi-owncloud; # garante que sera https # fazendo um redirecionamento return 301 https://$server_name$request_uri;}server { # SSL configuration (ipv4 e ipv6) listen 443 ssl ; listen [::]:443 ssl ; ssl_certificate /etc/nginx/cert.pem; ssl_certificate_key /etc/nginx/cert.key; root /var/www/owncloud; # Add index.php to the list if you are using PHP index index.php server_name _; add_header X-Content-Type-Options nosniff; add_header X-Frame-Options "SAMEORIGIN"; add_header X-XSS-Protection "1; mode=block"; add_header X-Robots-Tag none; add_header X-Download-Options noopen; add_header X-Permitted-Cross-Domain-Policies none; location = /robots.txt { allow all; log_not_found off; access_log off; } # alterar o "max upload size" client_max_body_size 2000M; Fastcgi_buffers 64 4K; # Disable gzip to avoid the removal of the ETag header gzip off; location / { # garante que sempre sera chamado o index.php rewrite ^ /index.php$uri; } location ~ ^/(?:build|tests|config|lib|3rdparty|templates|data)/ { deny all; } location ~ ^/(?:\.|autotest|occ|issue|indie|db_|console) { deny all; } location ~^/(?:index|remote|public|cron|core/ajax/update|status|ocs/v[12]|updater/.+|ocs-provider/.+|core/templates/40[34])\.php(?:$|/) { include fastcgi_params; fastcgi_split_path_info ^(.+\.php)(/.+)$; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; fastcgi_param PATH_INFO $fastcgi_path_info; fastcgi_param HTTPS on; #Avoid sending the security headers twice fastcgi_param modHeadersAvailable true; fastcgi_param front_controller_active true; fastcgi_pass php-handler; fastcgi_intercept_errors on; } location ~ ^/(?:updater|ocs-provider)(?:$|/) { try_files $uri/ =404; index index.php; } # Adding the cache control header for js and css files # Make sure it is BELOW the PHP block location ~* \.(?:css|js)$ { try_files $uri /index.php$uri$is_args$args; add_header Cache-Control "public, max-age=7200"; # Add headers to serve security related headers (It is intended # to have those duplicated to the ones above) # Before enabling Strict-Transport-Security headers please # read into this topic first. add_header Strict-Transport-Security "max-age=15768000; # includeSubDomains; preload;"; add_header X-Content-Type-Options nosniff; add_header X-Frame-Options "SAMEORIGIN"; add_header X-XSS-Protection "1; mode=block"; add_header X-Robots-Tag none; add_header X-Download-Options noopen; add_header X-Permitted-Cross-Domain-Policies none; # Optional: Don't log access to assets access_log off; } location ~* \.(?:svg|gif|png|html|ttf|woff|ico|jpg|jpeg)$ { try_files $uri /index.php$uri$is_args$args; # Optional: Don't log access to other assets access_log off; }}Note que na minha configuracao o owncloud ficara em /var/www/owncloud.Se voce quiser mais informacoes olhe em na documentacao do owncloud, ela e bastante precisa.Instalando owncloudFaca o download do ownload no site https://owncloud.org/install/.O meu caso estou utilizando a versao 9.0.3.As linhas abaixo copiam o owncloud zipado do site para dentro do diretorio tmp, descompactam os arquivos no diretorio owncloud. Move este diretorio para dentro do diretorio onde ele ira rodar e acerta as permissoes. No meu caso o diretorio final sera /var/www/owncloud. E por