Ubuntu部署nginx

nginx是什么

Nginx (engine x) 是一个高性能的HTTP和反向代理web服务器，同时也提供了IMAP/POP3/SMTP服务。Nginx是由伊戈尔·赛索耶夫为俄罗斯访问量第二的Rambler.ru站点（俄文：Рамблер）开发的，公开版本1.19.6发布于2020年12月15日。

其将源代码以类BSD许可证的形式发布，因它的稳定性、丰富的功能集、简单的配置文件和低系统资源的消耗而闻名。2022年01月25日，nginx 1.21.6发布。

Nginx是一款轻量级的web服务器/反向代理服务器及电子邮件（IMAP/POP3）代理服务器，在BSD-like 协议下发行。其特点是占有内存少，并发能力强，事实上nginx的并发能力在同类型的网页服务器中表现较好，中国大陆使用nginx网站用户有：百度、京东、新浪、网易、腾讯、淘宝等。

开始部署

操作系统：Ubuntu

因为我们已经有nginx，所以可以先查看一下nginx状态

root@iZuf6c3gcnqmp1sehmmseiZ:/etc/nginx# systemctl status nginx
● nginx.service - A high performance web server and a reverse proxy serverLoaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset: enabled)Active: active (running) since Mon 2022-03-14 02:22:40 CST; 1 weeks 1 days agoDocs: man:nginx(8)Main PID: 76359 (nginx)Tasks: 3 (limit: 4424)Memory: 4.4MCGroup: /system.slice/nginx.service├─76359 nginx: master process /usr/sbin/nginx -g daemon on; master_process on;├─76360 nginx: worker process└─76361 nginx: worker processMar 14 02:22:40 iZuf6c3gcnqmp1sehmmseiZ systemd[1]: Starting A high performance web server and a reverse proxy server...
Mar 14 02:22:40 iZuf6c3gcnqmp1sehmmseiZ systemd[1]: Started A high performance web server and a reverse proxy server.

卸载后重新安装一下：

sudo apt-get remove nginx nginx-common # 卸载删除除了配置文件以外的所有文件。sudo apt-get purge nginx nginx-common # 卸载所有东东，包括删除配置文件。sudo apt-get autoremove # 在上面命令结束后执行，主要是卸载删除Nginx的不再被使用的依赖包。sudo apt-get remove nginx-full nginx-common #卸载删除两个主要的包

#开始卸载
root@iZuf6c3gcnqmp1sehmmseiZ:/etc/nginx# sudo apt-get purge nginx nginx-common
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:libgd3 libxpm4 libxslt1.1
Use 'sudo apt autoremove' to remove them.
The following packages will be REMOVED:libnginx-mod-http-image-filter* libnginx-mod-http-xslt-filter* libnginx-mod-mail* libnginx-mod-stream* nginx* nginx-common* nginx-core*
0 upgraded, 0 newly installed, 7 to remove and 24 not upgraded.
After this operation, 2,134 kB disk space will be freed.
Do you want to continue? [Y/n] y
(Reading database ... 116310 files and directories currently installed.)
Removing nginx (1.18.0-0ubuntu1.2) ...
Removing nginx-core (1.18.0-0ubuntu1.2) ...
Removing libnginx-mod-http-image-filter (1.18.0-0ubuntu1.2) ...
Removing libnginx-mod-http-xslt-filter (1.18.0-0ubuntu1.2) ...
Removing libnginx-mod-mail (1.18.0-0ubuntu1.2) ...
Removing libnginx-mod-stream (1.18.0-0ubuntu1.2) ...
Removing nginx-common (1.18.0-0ubuntu1.2) ...
Processing triggers for man-db (2.9.1-1) ...
(Reading database ... 116261 files and directories currently installed.)
Purging configuration files for libnginx-mod-mail (1.18.0-0ubuntu1.2) ...
Purging configuration files for libnginx-mod-http-image-filter (1.18.0-0ubuntu1.2) ...
Purging configuration files for libnginx-mod-stream (1.18.0-0ubuntu1.2) ...
Purging configuration files for nginx-common (1.18.0-0ubuntu1.2) ...
dpkg: warning: while removing nginx-common, directory '/var/www/html' not empty so not removed
dpkg: warning: while removing nginx-common, directory '/usr/share/nginx' not empty so not removed
Purging configuration files for libnginx-mod-http-xslt-filter (1.18.0-0ubuntu1.2) ...
Processing triggers for systemd (245.4-4ubuntu3.15) ...
Processing triggers for ufw (0.36-6ubuntu1) ...#查看状态，已经卸载成功
root@iZuf6c3gcnqmp1sehmmseiZ:/etc/nginx# systemctl status nginx
Unit nginx.service could not be found.
root@iZuf6c3gcnqmp1sehmmseiZ:/etc/nginx#

开始安装

sudo apt-get install nginx

再次查看状态:

测试：

成功！

默认配置：

     1   user www-data;2 worker_processes auto;3 pid /run/nginx.pid;4    include /etc/nginx/modules-enabled/*.conf;5 6   events {7       worker_connections 768;8        # multi_accept on;9 }10 11  http {12    13      ##14        # Basic Settings15      ##16    17      sendfile on;18      tcp_nopush on;19        tcp_nodelay on;20       keepalive_timeout 65;21     types_hash_max_size 2048;22     # server_tokens off;23  24      # server_names_hash_bucket_size 64;25       # server_name_in_redirect off;26    27      include /etc/nginx/mime.types;28        default_type application/octet-stream;29    30      ##31        # SSL Settings32        ##33    34      ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3; # Dropping SSLv3, ref: POODLE35        ssl_prefer_server_ciphers on;36 37      ##38        # Logging Settings39        ##40    41      access_log /var/log/nginx/access.log;42     error_log /var/log/nginx/error.log;43   44      ##45        # Gzip Settings46       ##47    48      gzip on;49  50      # gzip_vary on;51       # gzip_proxied any;52       # gzip_comp_level 6;53      # gzip_buffers 16 8k;54     # gzip_http_version 1.1;55      # gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;56   57      ##58        # Virtual Host Configs59        ##60    61      include /etc/nginx/conf.d/*.conf;62     include /etc/nginx/sites-enabled/*;63   }64 65  66  #mail {67   #   # See sample authentication script at:68    #   # http://wiki.nginx.org/ImapAuthenticateWithApachePhpScript69   # 70    #   # auth_http localhost/auth.php;71   #   # pop3_capabilities "TOP" "USER";72 #   # imap_capabilities "IMAP4rev1" "UIDPLUS";73    # 74    #   server {75  #       listen     localhost:110;76 #       protocol   pop3;77  #       proxy      on;78    #   }79 # 80    #   server {81  #       listen     localhost:143;82 #       protocol   imap;83  #       proxy      on;84    #   }85 #}

域名购买/ssl证书申请

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Ubuntu部署nginx

nginx是什么

开始部署

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