Dans le owncloud access.log :
Oppenheimer [03/Apr/2016:22:49:42 +0200] "GET /status.php HTTP/1.1" 500 5 "-" "Mozilla/5.0 (Windows) mirall/2.1.1"
Et dans le error.log :
2016/04/04 01:14:56 [emerg] 28895#28895: BIO_new_file("/etc/ssl/nginx/cloud.example.com.crt") failed (SSL: error:02001002:system library:fopen:No such file or directory:fopen('/etc/ssl/nginx/cloud.example.com.crt','r') error:2006D080:BIO routines:BIO_new_file:no such file)
2016/04/04 01:15:07 [emerg] 29138#29138: BIO_new_file("/etc/ssl/nginx/cloud.example.com.crt") failed (SSL: error:02001002:system library:fopen:No such file or directory:fopen('/etc/ssl/nginx/cloud.example.com.crt','r') error:2006D080:BIO routines:BIO_new_file:no such file)
Ces deux la c'est pour moi, j'avais pas désactivé le SSL au départ
2016/04/04 01:15:43 [error] 29661#29661: *3 connect() failed (111: Connection refused) while connecting to upstream, client: xxxxx, server: owncloud.spira.ovh, request: "GET / HTTP/2.0", upstream: "fastcgi://127.0.0.1:9000", host: "owncloud.spira.ovh"
2016/04/04 01:15:44 [error] 29661#29661: *3 connect() failed (111: Connection refused) while connecting to upstream, client: xxxxx, server: owncloud.spira.ovh, request: "GET /favicon.ico HTTP/2.0", upstream: "fastcgi://127.0.0.1:9000", host: "owncloud.spira.ovh", referrer: "https://owncloud.spira.ovh/"
2016/04/04 01:15:52 [error] 29661#29661: *3 connect() failed (111: Connection refused) while connecting to upstream, client: xxxxx, server: owncloud.spira.ovh, request: "GET / HTTP/2.0", upstream: "fastcgi://127.0.0.1:9000", host: "owncloud.spira.ovh"
2016/04/04 01:15:52 [error] 29661#29661: *3 connect() failed (111: Connection refused) while connecting to upstream, client: xxxxx, server: owncloud.spira.ovh, request: "GET /favicon.ico HTTP/2.0", upstream: "fastcgi://127.0.0.1:9000", host: "owncloud.spira.ovh", referrer: "https://owncloud.spira.ovh/"
2016/04/04 01:15:53 [error] 29661#29661: *3 connect() failed (111: Connection refused) while connecting to upstream, client: xxxxx, server: owncloud.spira.ovh, request: "GET / HTTP/2.0", upstream: "fastcgi://127.0.0.1:9000", host: "owncloud.spira.ovh"
2016/04/04 01:15:53 [error] 29661#29661: *3 connect() failed (111: Connection refused) while connecting to upstream, client: xxxx, server: owncloud.spira.ovh, request: "GET /favicon.ico HTTP/2.0", upstream: "fastcgi://127.0.0.1:9000", host: "owncloud.spira.ovh", referrer: "https://owncloud.spira.ovh/"
2016/04/04 01:15:53 [error] 29661#29661: *3 connect() failed (111: Connection refused) while connecting to upstream, client: xxxx, server: owncloud.spira.ovh, request: "GET / HTTP/2.0", upstream: "fastcgi://127.0.0.1:9000", host: "owncloud.spira.ovh"
2016/04/04 01:15:54 [error] 29661#29661: *3 connect() failed (111: Connection refused) while connecting to upstream, client: xxxx, server: owncloud.spira.ovh, request: "GET /favicon.ico HTTP/2.0", upstream: "fastcgi://127.0.0.1:9000", host: "owncloud.spira.ovh", referrer: "https://owncloud.spira.ovh/"
2016/04/04 01:15:54 [error] 29661#29661: *3 connect() failed (111: Connection refused) while connecting to upstream, client: xxxx, server: owncloud.spira.ovh, request: "GET / HTTP/2.0", upstream: "fastcgi://127.0.0.1:9000", host: "owncloud.spira.ovh"
2016/04/04 01:15:54 [error] 29661#29661: *3 connect() failed (111: Connection refused) while connecting to upstream, client: xxxx, server: owncloud.spira.ovh, request: "GET /favicon.ico HTTP/2.0", upstream: "fastcgi://127.0.0.1:9000", host: "owncloud.spira.ovh", referrer: "https://owncloud.spira.ovh/"
2016/04/04 01:16:40 [emerg] 29805#29805: "location" directive is not allowed here in /etc/nginx/sites-enabled/owncloud.conf:27
2016/04/04 01:17:18 [emerg] 29912#29912: unexpected "}" in /etc/nginx/sites-enabled/owncloud.conf:31
2016/04/04 01:20:09 [emerg] 30764#30764: BIO_new_file("/etc/ssl/nginx/cloud.example.com.crt") failed (SSL: error:02001002:system library:fopen:No such file or directory:fopen('/etc/ssl/nginx/cloud.example.com.crt','r') error:2006D080:BIO routines:BIO_new_file:no such file)
La je capte pas pk il m'emmerde encore avec le SSL mais bon...
2016/04/04 01:20:34 [error] 31052#31052: *2 connect() failed (111: Connection refused) while connecting to upstream, client: xxxx, server: owncloud.spira.ovh, request: "GET / HTTP/2.0", upstream: "fastcgi://127.0.0.1:9000", host: "owncloud.spira.ovh"
2016/04/04 01:20:34 [error] 31052#31052: *2 connect() failed (111: Connection refused) while connecting to upstream, client: xxxx, server: owncloud.spira.ovh, request: "GET /favicon.ico HTTP/2.0", upstream: "fastcgi://127.0.0.1:9000", host: "owncloud.spira.ovh", referrer: "https://owncloud.spira.ovh/"
2016/04/04 01:20:35 [error] 31052#31052: *2 connect() failed (111: Connection refused) while connecting to upstream, client: xxxx, server: owncloud.spira.ovh, request: "GET / HTTP/2.0", upstream: "fastcgi://127.0.0.1:9000", host: "owncloud.spira.ovh"
2016/04/04 01:20:35 [error] 31052#31052: *2 connect() failed (111: Connection refused) while connecting to upstream, client: xxxx, server: owncloud.spira.ovh, request: "GET /favicon.ico HTTP/2.0", upstream: "fastcgi://127.0.0.1:9000", host: "owncloud.spira.ovh", referrer: "https://owncloud.spira.ovh/"
Pour le coup il semblerai que ça soit le début de ton fichier de conf qui pose problème. Le 127.0.0.1 fait appel au serveur en local, peut être le port du coup qui fais chier ? Franchement je sais plus à force, ça m'aura rendu fou cet install >_<