I dont know if the restored config.php helps.the web-interface now gives me an 500-http-error.
The config-page shows the following info:
Nextcloud logs
{"reqId":"W7UEHX8AAQEAAEWfUQ0AAAAL","level":2,"time":"2018-10-03T18:02:05+00:00","remoteAddr":"212.129.50.159","user":"--","app":"core","method":"GET","url":"\/","message":"Trusted domain error. \"212.129.50.159\" tried to access using \"77.177.65.134\" as host.","userAgent":"--","version":"13.0.6.1"}
{"reqId":"W7UNvH8AAQEAAEWfUVsAAAAB","level":2,"time":"2018-10-03T18:43:08+00:00","remoteAddr":"198.108.66.240","user":"--","app":"core","method":"GET","url":"\/","message":"Trusted domain error. \"198.108.66.240\" tried to access using \"77.177.65.134\" as host.","userAgent":"Mozilla\/5.0 zgrab\/0.x","version":"13.0.6.1"}
{"reqId":"W7UYZX8AAQEAAEWgu8AAAABK","level":2,"time":"2018-10-03T19:28:38+00:00","remoteAddr":"139.162.116.133","user":"--","app":"core","method":"GET","url":"\/","message":"Trusted domain error. \"139.162.116.133\" tried to access using \"77.177.65.134\" as host.","userAgent":"Go-http-client\/1.1","version":"13.0.6.1"}
{"reqId":"W7U2aX8AAQEAAEWfUz0AAAAY","level":2,"time":"2018-10-03T21:36:41+00:00","remoteAddr":"60.191.38.77","user":"--","app":"core","method":"GET","url":"\/","message":"Trusted domain error. \"60.191.38.77\" tried to access using \"77.177.65.134\" as host.","userAgent":"Mozilla\/5.0 (Macintosh; Intel Mac OS X 10.11; rv:47.0) Gecko\/20100101 Firefox\/47.0","version":"13.0.6.1"}
{"reqId":"W7VUO38AAQEAAEWgvU4AAABR","level":2,"time":"2018-10-03T23:43:55+00:00","remoteAddr":"123.186.216.170","user":"--","app":"core","method":"GET","url":"\/","message":"Trusted domain error. \"123.186.216.170\" tried to access using \"77.177.65.134\" as host.","userAgent":"Mozilla\/5.0 (Windows NT 6.1) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/38.0.2125.122 Safari\/537.36 SE 2.X MetaSr 1.0","version":"13.0.6.1"}
{"reqId":"W7Wcw38AAQEAAEWfVJEAAAAM","level":2,"time":"2018-10-04T04:53:23+00:00","remoteAddr":"60.191.38.77","user":"--","app":"core","method":"GET","url":"\/","message":"Trusted domain error. \"60.191.38.77\" tried to access using \"77.176.133.217\" as host.","userAgent":"Mozilla\/5.0 (Macintosh; Intel Mac OS X 10.11; rv:47.0) Gecko\/20100101 Firefox\/47.0","version":"13.0.6.1"}
{"reqId":"xXAxNiomvp4Vz3rGa0zw","level":3,"time":"2018-10-04T07:15:02+00:00","remoteAddr":"","user":"--","app":"cron","method":"--","url":"--","message":"Exception: {\"Exception\":\"Exception\",\"Message\":\"Not installed\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(668): OC::checkInstalled()\\n#1 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(1081): OC::init()\\n#2 \\\/var\\\/www\\\/nextcloud\\\/cron.php(41): require_once('\\\/var\\\/www\\\/nextcl...')\\n#3 {main}\",\"File\":\"\\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php\",\"Line\":266}","userAgent":"--","version":""}
{"reqId":"Kp9yKQDFdJZkTzlApzld","level":3,"time":"2018-10-04T07:30:02+00:00","remoteAddr":"","user":"--","app":"cron","method":"--","url":"--","message":"Exception: {\"Exception\":\"Exception\",\"Message\":\"Not installed\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(668): OC::checkInstalled()\\n#1 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(1081): OC::init()\\n#2 \\\/var\\\/www\\\/nextcloud\\\/cron.php(41): require_once('\\\/var\\\/www\\\/nextcl...')\\n#3 {main}\",\"File\":\"\\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php\",\"Line\":266}","userAgent":"--","version":""}
{"reqId":"Dh6E6VNV456Ui35J9s9H","level":3,"time":"2018-10-04T07:45:02+00:00","remoteAddr":"","user":"--","app":"cron","method":{"reqId":"jj36nqrEqNEadBcXENkX","level":3,"time":"2018-10-07T16:00:02+00:00","remoteAddr":"","user":"--","app":"cron","method":"--","url":"--","message":"Exception: {\"Exception\":\"Exception\",\"Message\":\"Not installed\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(668): OC::checkInstalled()\\n#1 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(1081): OC::init()\\n#2 \\\/var\\\/www\\\/nextcloud\\\/cron.php(41): require_once('\\\/var\\\/www\\\/nextcl...')\\n#3 {main}\",\"File\":\"\\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php\",\"Line\":266}","userAgent":"--","version":""}
{"reqId":"PHvmGPrFz3sPZcbB1CUT","level":3,"time":"2018-10-07T16:15:02+00:00","remoteAddr":"","user":"--","app":"cron","method":"--","url":"--","message":"Exception: {\"Exception\":\"Exception\",\"Message\":\"Not installed\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(668): OC::checkInstalled()\\n#1 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(1081): OC::init()\\n#2 \\\/var\\\/www\\\/nextcloud\\\/cron.php(41): require_once('\\\/var\\\/www\\\/nextcl...')\\n#3 {main}\",\"File\":\"\\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php\",\"Line\":266}","userAgent":"--","version":""}
{"reqId":"Sn2eTybQ2YIjuhgh7kuM","level":3,"time":"2018-10-07T16:30:02+00:00","remoteAddr":"","user":"--","app":"cron","method":"--","url":"--","message":"Exception: {\"Exception\":\"Exception\",\"Message\":\"Not installed\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(668): OC::checkInstalled()\\n#1 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(1081): OC::init()\\n#2 \\\/var\\\/www\\\/nextcloud\\\/cron.php(41): require_once('\\\/var\\\/www\\\/nextcl...')\\n#3 {main}\",\"File\":\"\\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php\",\"Line\":266}","userAgent":"--","version":""}
{"reqId":"GzmhuXSSrUsywhxCUMLA","level":3,"time":"2018-10-07T16:45:02+00:00","remoteAddr":"","user":"--","app":"cron","method":"--","url":"--","message":"Exception: {\"Exception\":\"Exception\",\"Message\":\"Not installed\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(668): OC::checkInstalled()\\n#1 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(1081): OC::init()\\n#2 \\\/var\\\/www\\\/nextcloud\\\/cron.php(41): require_once('\\\/var\\\/www\\\/nextcl...')\\n#3 {main}\",\"File\":\"\\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php\",\"Line\":266}","userAgent":"--","version":""}
{"reqId":"8HBvT6h1FJyyArsnYaPz","level":3,"time":"2018-10-07T17:00:02+00:00","remoteAddr":"","user":"--","app":"cron","method":"--","url":"--","message":"Exception: {\"Exception\":\"Exception\",\"Message\":\"Not installed\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(668): OC::checkInstalled()\\n#1 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(1081): OC::init()\\n#2 \\\/var\\\/www\\\/nextcloud\\\/cron.php(41): require_once('\\\/var\\\/www\\\/nextcl...')\\n#3 {main}\",\"File\":\"\\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php\",\"Line\":266}","userAgent":"--","version":""}
{"reqId":"pMOfsbzCMFBb31DJ3prr","level":3,"time":"2018-10-07T17:15:02+00:00","remoteAddr":"","user":"--","app":"cron","method":"--","url":"--","message":"Exception: {\"Exception\":\"Exception\",\"Message\":\"Not installed\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(668): OC::checkInstalled()\\n#1 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(1081): OC::init()\\n#2 \\\/var\\\/www\\\/nextcloud\\\/cron.php(41): require_once('\\\/var\\\/www\\\/nextcl...')\\n#3 {main}\",\"File\":\"\\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php\",\"Line\":266}","userAgent":"--","version":""}
{"reqId":"IWg3GDd9FVXHni5z2UTa","level":3,"time":"2018-10-07T17:30:02+00:00","remoteAddr":"","user":"--","app":"cron","method":"--","url":"--","message":"Exception: {\"Exception\":\"Exception\",\"Message\":\"Not installed\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(668): OC::checkInstalled()\\n#1 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(1081): OC::init()\\n#2 \\\/var\\\/www\\\/nextcloud\\\/cron.php(41): require_once('\\\/var\\\/www\\\/nextcl...')\\n#3 {main}\",\"File\":\"\\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php\",\"Line\":266}","userAgent":"--","version":""}
{"reqId":"1GLAy8UPTsKIqwLVHMjz","level":3,"time":"2018-10-07T17:45:02+00:00","remoteAddr":"","user":"--","app":"cron","method":"--","url":"--","message":"Exception: {\"Exception\":\"Exception\",\"Message\":\"Not installed\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(668): OC::checkInstalled()\\n#1 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(1081): OC::init()\\n#2 \\\/var\\\/www\\\/nextcloud\\\/cron.php(41): require_once('\\\/var\\\/www\\\/nextcl...')\\n#3 {main}\",\"File\":\"\\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php\",\"Line\":266}","userAgent":"--","version":""}
{"reqId":"bp9KpiagTLkJLnC7qcwu","level":3,"time":"2018-10-07T18:00:01+00:00","remoteAddr":"","user":"--","app":"cron","method":"--","url":"--","message":"Exception: {\"Exception\":\"Exception\",\"Message\":\"Not installed\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(668): OC::checkInstalled()\\n#1 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(1081): OC::init()\\n#2 \\\/var\\\/www\\\/nextcloud\\\/cron.php(41): require_once('\\\/var\\\/www\\\/nextcl...')\\n#3 {main}\",\"File\":\"\\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php\",\"Line\":266}","userAgent":"--","version":""}
{"reqId":"dIkzyUva83u0aTB9UlhF","level":3,"time":"2018-10-07T18:15:02+00:00","remoteAddr":"","user":"--","app":"cron","method":"--","url":"--","message":"Exception: {\"Exception\":\"Exception\",\"Message\":\"Not installed\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(668): OC::checkInstalled()\\n#1 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(1081): OC::init()\\n#2 \\\/var\\\/www\\\/nextcloud\\\/cron.php(41): require_once('\\\/var\\\/www\\\/nextcl...')\\n#3 {main}\",\"File\":\"\\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php\",\"Line\":266}","userAgent":"--","version":""}
{"reqId":"HATFU3KOuFqzlQGzRCn3","level":3,"time":"2018-10-07T18:30:02+00:00","remoteAddr":"","user":"--","app":"cron","method":"--","url":"--","message":"Exception: {\"Exception\":\"Exception\",\"Message\":\"Not installed\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(668): OC::checkInstalled()\\n#1 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(1081): OC::init()\\n#2 \\\/var\\\/www\\\/nextcloud\\\/cron.php(41): require_once('\\\/var\\\/www\\\/nextcl...')\\n#3 {main}\",\"File\":\"\\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php\",\"Line\":266}","userAgent":"--","version":""}
{"reqId":"tQ420nRKkGvGKzCpZF6U","level":3,"time":"2018-10-07T18:45:02+00:00","remoteAddr":"","user":"--","app":"cron","method":"--","url":"--","message":"Exception: {\"Exception\":\"Exception\",\"Message\":\"Not installed\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(668): OC::checkInstalled()\\n#1 \\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php(1081): OC::init()\\n#2 \\\/var\\\/www\\\/nextcloud\\\/cron.php(41): require_once('\\\/var\\\/www\\\/nextcl...')\\n#3 {main}\",\"File\":\"\\\/var\\\/www\\\/nextcloud\\\/lib\\\/base.php\",\"Line\":266}","userAgent":"--","version":""}
Any idea what to try next? I fear to loose data if I restore an (incomplete?) backup. The backup file ist only 36G while the data on the drive is more than 140G…