nginx- duplicate default server error

Question

In my error log i get       emerg  10619 0  a duplicate default server for 0 0 0 0 80 in  etc nginx sites-enabled mysite com 4   on Line 4 I have   server name mysite com   www mysite com    Any suggestions

User · Answer

OS Debian 10   nginx  In my case  i unlinked the  default  page as    cd etc nginx sites-enabled unlink default service nginx restart

User · Answer

You likely have other files  such as the default configuration  located in  etc nginx sites-enabled that needs to be removed   This issue is caused by a repeat of the default server parameter supplied to one or more listen directives in your files   You ll likely find this conflicting directive reads something similar to   listen 80 default server    As the nginx core module documentation for listen states      The default server parameter  if present  will cause the server to become the default server for the specified address port pair  If none of the directives have the default server parameter then the first server with the address port pair will be the default server for this pair    This means that there must be another file or server block defined in your configuration with default server set for port 80   nginx is encountering that first before your mysite com file so try removing or adjusting that other configuration   If you are struggling to find where these directives and parameters are set  try a search like so   grep -R default server  etc nginx

User · Answer

If you re on Digital Ocean this means you need to go to  etc nginx sites-enabled  and then REMOVE using rm -R digitalocean and default   It fixed it for me   Pic of Console on Windows 10 using Bitvise

User · Answer

Execute this at the terminal to see conflicting configurations listening to the same port   grep -R default server  etc nginx

User · Answer

In my case junk files from editor caused the problem  I had a config as below       http           include    sites       In the    sites directory initially I had a default config file  However  by mistake I saved duplicate files as default config save  and default config save 1  Removing them resolved the issue

[nginx] nginx- duplicate default server error

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