[root@localhost ~]# yum install -y httpd

[root@localhost ~]# systemctl stop firewalld;setenforce 0

DocumentRoot "/var/www/html" #這一行指定了文檔根目錄
<Directory "/var/www">  #用于針對(duì)指定目錄（在這里是/var/www）設(shè)置訪問控制規(guī)則的開始標(biāo)簽。以下的配置將應(yīng)用于/var/www目錄及其子目錄。
    AllowOverride None
    # Allow open access:
    Require all granted #表示允許所有人訪問/var/www目錄及其子目錄，沒有訪問限制                                 
</Directory>
Listen 80 #默認(rèn)的監(jiān)聽端口，修改80后則需要指定IP:端口進(jìn)行訪問

[root@localhost ~]# echo hello > /var/www/html/test.txt

[root@localhost ~]# systemctl enable --now httpd

<FilesMatch "\.(?i:pdf|zip|txt|csv)$">
    Header set Content-Disposition "attachment"
</FilesMatch>

當(dāng)有人請(qǐng)求以 .pdf、.zip、.txt 或 .csv 結(jié)尾的文件時(shí)，服務(wù)器會(huì)設(shè)置 Content-Disposition 標(biāo)頭，強(qiáng)制
將文件作為附件下載，而不是在瀏覽器中直接打開，如果還要添加例如tar、gz等文件后綴可以下載，
則需要在括號(hào)內(nèi)添加(?i:pdf|zip|txt|csv|gz|tar)相應(yīng)的后綴

[root@localhost ~]# systemctl restart httpd

<Directory /var/www>
    AllowOverride None
    # Allow open access:
    Require all granted 
    #以下為添加內(nèi)容
    Options +Indexes
    IndexOptions FancyIndexing NameWidth=* DescriptionWidth=* FoldersFirst
</Directory>

[root@localhost ~]# systemctl restart httpd

[root@localhost ~]# yum install -y wget
[root@localhost ~]# wget -O /etc/yum.repos.d/epel.repo https://mirrors.aliyun.com/repo/epel-7.repo
[root@localhost ~]# yum install -y nginx
[root@localhost ~]# yum info nginx
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * base: mirrors.cqu.edu.cn
 * extras: mirrors.cqu.edu.cn
 * updates: mirrors.cqu.edu.cn
Installed Packages
Name        : nginx
Arch        : x86_64
Epoch       : 1
Version     : 1.20.1
Release     : 10.el7
Size        : 1.7 M
Repo        : installed
From repo   : epel
Summary     : A high performance web server and reverse proxy server
URL         : https://nginx.org
License     : BSD
Description : Nginx is a web server and a reverse proxy server for HTTP, SMTP, POP3 and
            : IMAP protocols, with a strong focus on high concurrency, performance and low
            : memory usage.

[root@localhost ~]# vi /etc/nginx/nginx.conf
user nginx; #nginx改為root
#在server配置標(biāo)簽上添加以下內(nèi)容
    autoindex on;# 顯示目錄
    autoindex_exact_size on;# 顯示文件大小
    autoindex_localtime on;# 顯示文件時(shí)間
        root         /opt;   #/opt表示你要共享的文件服務(wù)器根目錄

[root@localhost ~]# systemctl enable --now nginx
Created symlink from /etc/systemd/system/multi-user.target.wants/nginx.service to /usr/lib/systemd/system/nginx.service.

root@huhy:~# apt install -y apache2

root@huhy:~# mkdir /var/www/html/test-file
root@huhy:~# chmod 777 /var/www/html/test-file/
root@huhy:~# echo ok > /var/www/html/test-file/test.txt
root@huhy:~# vi /etc/apache2/sites-available/000-default.conf
DocumentRoot /var/www/html/test-file #修改此參數(shù)，就可以指向該文件夾

root@huhy:~# systemctl enable --now apache2
Synchronizing state of apache2.service with SysV service script with /lib/systemd/systemd-sysv-install.
Executing: /lib/systemd/systemd-sysv-install enable apache2

root@huhy:~# vi /etc/apache2/apache2.conf
<Directory /var/www/> #對(duì)此目錄下生效
        Options Indexes FollowSymLinks
        AllowOverride None
        Require all granted #添加下面兩行
        Options +Indexes
        IndexOptions FancyIndexing NameWidth=* DescriptionWidth=* FoldersFirst
</Directory>