Apache 削除

$ sudo systemctl stop apache2
$ sudo apt-get remove apache2*

インストール

$ sudo apt-get install nginx 

バージョン確認

$ nginx -v
nginx version: nginx/1.10.0 (Ubuntu)

クライアントPCから接続確認

http://server_domain_or_IP

• 設定ファイル

    /etc/nginx
    /etc/nginx/nginx.conf
    /etc/nginx/sites-available
    /etc/nginx/sites-enabled
    /etc/nginx/snippets

$ cat /etc/nginx/nginx.conf
user www-data;
worker_processes auto;
pid /run/nginx.pid;

events {
        worker_connections 768;
        # multi_accept on;
}

http {
        ## cache
        proxy_cache_path /var/cache/nginx keys_zone=cache:10m levels=1:2 inactive=600s max_size=1g;

        ##
        # Basic Settings
        ##

        sendfile on;
        tcp_nopush on;
        tcp_nodelay on;
        keepalive_timeout 65;
        types_hash_max_size 2048;
        # server_tokens off;

        # server_names_hash_bucket_size 64;
        server_names_hash_bucket_size 128;
        # server_name_in_redirect off;

        include /etc/nginx/mime.types;
        default_type application/octet-stream;

        ##
        # SSL Settings
        ##

        ssl_protocols TLSv1 TLSv1.1 TLSv1.2; # Dropping SSLv3, ref: POODLE
        ssl_prefer_server_ciphers on;

        ##
        # Logging Settings
        ##

        access_log /var/log/nginx/access.log;
        error_log /var/log/nginx/error.log;

        ##
        # Gzip Settings
        ##

        gzip on;
        gzip_disable "msie6";

        # gzip_vary on;
        # gzip_proxied any;
        # gzip_comp_level 6;
        # gzip_buffers 16 8k;
        # gzip_http_version 1.1;
        # gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

        ##
        # Virtual Host Configs
        ##

        include /etc/nginx/conf.d/*.conf;
        include /etc/nginx/sites-enabled/*;

        # to secure NGINX from Clickjacking attack
#       add_header X-Frame-Options "SAMEORIGIN";
        add_header X-Frame-Options "SAMEORIGIN" always;
}


#mail {
#       # See sample authentication script at:
#       # http://wiki.nginx.org/ImapAuthenticateWithApachePhpScript
#
#       # auth_http localhost/auth.php;
#       # pop3_capabilities "TOP" "USER";
#       # imap_capabilities "IMAP4rev1" "UIDPLUS";
#
#       server {
#               listen     localhost:110;
#               protocol   pop3;
#               proxy      on;
#       }
#
#       server {
#               listen     localhost:143;
#               protocol   imap;
#               proxy      on;
#       }
#}

• ログファイル

    /var/log/nginx/access.log
    /var/log/nginx/error.log