-bash-4.1# ./sbin/nginx -V
nginx version: nginx/
built by gcc 4.4.7 20120313 (Red Hat 4.4.7-3) (GCC) 
built with OpenSSL 1.0.1e-fips 11 Feb 2013
TLS SNI support enabled
configure arguments: --with-http_ssl_module --with-http_stub_status_module --error-log-path=/usr/local/nginx/log/error.log

• nginx主配置文件

 -bash-4.1# cat conf/nginx.conf
worker_processes  1;
error_log /usr/local/nginx/log/error.log;

events {
    worker_connections  1024;
}

http {
     include mime.types;
     default_type application/octet-stream;
     sendfile on;
     keepalive_timeout 65;
     include  test/*;
}
 

• 測試

 -bash-4.1# > log/error.log
-bash-4.1# > logs/error.log
-bash-4.1# sed ‘s/\(^error_log.*\)/\1\naccess_log\ \ \/usr\/local\/nginx\/log\/access.log;/‘ conf/nginx.conf
worker_processes  1;
error_log /usr/local/nginx/log/error.log;
access_log  /usr/local/nginx/log/access.log;

events {
    worker_connections  1024;
}

http {
     include mime.types;
     default_type application/octet-stream;
     sendfile on;
     keepalive_timeout 65;
     include  test/*;
}
-bash-4.1# sed -i ‘s/\(^error_log.*\)/\1\naccess_log\ \ \/usr\/local\/nginx\/log\/access.log;/‘ conf/nginx.conf
-bash-4.1# ./sbin/nginx -t
nginx: [emerg] "access_log" directive is not allowed here in /usr/local/nginx/conf/nginx.conf:3
nginx: configuration file /usr/local/nginx/conf/nginx.conf test failed
-bash-4.1# ./sbin/nginx -s reload
nginx: [emerg] "access_log" directive is not allowed here in /usr/local/nginx/conf/nginx.conf:3
-bash-4.1# cat log/error.log 
2018/08/24 14:45:43 [emerg] 5258#0: "access_log" directive is not allowed here in /usr/local/nginx/conf/nginx.conf:3
2018/08/24 14:45:47 [emerg] 5267#0: "access_log" directive is not allowed here in /usr/local/nginx/conf/nginx.conf:3
-bash-4.1# cat logs/error.log 
-bash-4.1# 
 

• 復原

-bash-4.1# sed -i ‘3d‘ conf/nginx.conf
-bash-4.1# cat conf/nginx.conf
worker_processes  1;
error_log /usr/local/nginx/log/error.log;

events {
    worker_connections  1024;
}

http {
     include mime.types;
     default_type application/octet-stream;
     sendfile on;
     keepalive_timeout 65;
     include  test/*;
}
-bash-4.1# ./sbin/nginx -t
nginx: the configuration file /usr/local/nginx/conf/nginx.conf syntax is ok
nginx: configuration file /usr/local/nginx/conf/nginx.conf test is successful
-bash-4.1# ./sbin/nginx -s reload
 

nginx-error_log重定向