nginx 請求的時候 500錯誤

500 Internal Server Error
nginx/1.12.2

查看nginx的日志error.log?可以查看到

2019/06/25 20:30:11 [crit] 23016#0: *183 open() "/var/lib/nginx/tmp/client_body/0000000050" failed (13: Permission denied), client: 192.168.24.210, server: 192.168.23.177, request: "POST /datalake-feed_/v1/feedmgr/feeds HTTP/1.1", host: "192.168.23.177:9528", referrer: "http://192.168.23.177:9528/?"
2019/06/25 20:30:11 [crit] 23016#0: *185 open() "/var/lib/nginx/tmp/client_body/0000000051" failed (13: Permission denied), client: 192.168.24.210, server: 192.168.23.177, request: "POST /datalake-feed_/v1/feedmgr/feeds HTTP/1.1", host: "192.168.23.177:9528", referrer: "http://192.168.23.177:9528/?"
2019/06/25 20:30:11 [crit] 23016#0: *187 open() "/var/lib/nginx/tmp/client_body/0000000052" failed (13: Permission denied), client: 192.168.24.210, server: 192.168.23.177, request: "POST /datalake-feed_/v1/feedmgr/feeds HTTP/1.1", host: "192.168.23.177:9528", referrer: "http://192.168.23.177:9528/?"
2019/06/25 20:30:11 [crit] 23016#0: *190 open() "/var/lib/nginx/tmp/client_body/0000000053" failed (13: Permission denied), client: 192.168.24.210, server: 192.168.23.177, request: "POST /datalake-feed_/v1/feedmgr/feeds HTTP/1.1", host: "192.168.23.177:9528", referrer: "http://192.168.23.177:9528/?"
2019/06/25 20:30:47 [crit] 23016#0: *89 open() "/var/lib/nginx/tmp/client_body/0000000054" failed (13: Permission denied), client: 192.168.24.244, server: 192.168.23.177, request: "POST /datalake-feed_/v1/feedmgr/feeds HTTP/1.1", host: "192.168.23.177:9528", referrer: "http://192.168.23.177:9528/"
2019/06/25 20:30:49 [crit] 23016#0: *94 open() "/var/lib/nginx/tmp/client_body/0000000055" failed (13: Permission denied), client: 192.168.24.244, server: 192.168.23.177, request: "POST /datalake-feed_/v1/feedmgr/feeds HTTP/1.1", host: "192.168.23.177:9528", referrer: "http://192.168.23.177:9528/"
2019/06/25 20:30:49 [crit] 23016#0: *93 open() "/var/lib/nginx/tmp/client_body/0000000056" failed (13: Permission denied), client: 192.168.24.244, server: 192.168.23.177, request: "POST /datalake-feed_/v1/feedmgr/feeds HTTP/1.1", host: "192.168.23.177:9528", referrer: "http://192.168.23.177:9528/"
2019/06/25 20:30:50 [crit] 23016#0: *96 open() "/var/lib/nginx/tmp/client_body/0000000057" failed (13: Permission denied), client: 192.168.24.244, server: 192.168.23.177, request: "POST /datalake-feed_/v1/feedmgr/feeds HTTP/1.1", host: "192.168.23.177:9528", referrer: "http://192.168.23.177:9528/"
2019/06/25 20:30:50 [crit] 23016#0: *126 open() "/var/lib/nginx/tmp/client_body/0000000058" failed (13: Permission denied), client: 192.168.24.244, server: 192.168.23.177, request: "POST /datalake-feed_/v1/feedmgr/feeds HTTP/1.1", host: "192.168.23.177:9528", referrer: "http://192.168.23.177:9528/"
2019/06/25 20:30:51 [crit] 23016#0: *125 open() "/var/lib/nginx/tmp/client_body/0000000059" failed (13: Permission denied), client: 192.168.24.244, server: 192.168.23.177, request: "POST /datalake-feed_/v1/feedmgr/feeds HTTP/1.1", host: "192.168.23.177:9528", referrer: "http://192.168.23.177:9528/"
2019/06/25 20:30:51 [crit] 23016#0: *229 open() "/var/lib/nginx/tmp/client_body/0000000060" failed (13: Permission denied), client: 192.168.24.244, server: 192.168.23.177, request: "POST /datalake-feed_/v1/feedmgr/feeds HTTP/1.1", host: "192.168.23.177:9528", referrer: "http://192.168.23.177:9528/"
2019/06/25 20:31:28 [crit] 23016#0: *242 open() "/var/lib/nginx/tmp/client_body/0000000061" failed (13: Permission denied), client: 192.168.24.250, server: 192.168.23.177, request: "POST /datalake-feed_/v1/feedmgr/feeds HTTP/1.1", host: "192.168.23.177:9528"
2019/06/25 20:31:57 [crit] 23016#0: *244 open() "/var/lib/nginx/tmp/client_body/0000000062" failed (13: Permission denied), client: 192.168.24.250, server: 192.168.23.177, request: "POST /datalake-feed_/v1/feedmgr/feeds HTTP/1.1", host: "192.168.23.177:9528"

查看使用root啟動的，但是?nginx的worker?進程的啟動卻是?dsg

所以就知道了，?目錄在dsg用戶下，是沒有足夠的權限的

使用dsg這個用戶去這個目錄下面。會出現權限不足的問題

所以，現在就可以確定這個問題是權限不足的問題

吧這個目錄給當前使用的這個用戶就可以了

chown -R??dsg:dsg /var/lib/nginx 

然后就可以使用了