open /etc/apache2/apache2.conf
And the section of the settings that deals with listing directory in Apahce2 default root directory is this:
<Directory /var/www/> Options Indexes FollowSymLinks AllowOverride None Require all granted </Directory>
To disable directory listing, edit the setting to be this:
<Directory /var/www/> Options FollowSymLinks AllowOverride None Require all granted </Directory> Save the file and restart Apache2 to load the new configuration settings.
On Debian, Ubuntu or Linux Mint:
On CentOS, Fedora, RHEL or Arch Linux:
Add the following two lines at the end of Apache config file.
1 2 | ServerSignature OffServerTokens Prod |
Then restart web server to activate the change.
Ref: http://ask.xmodulo.com/turn-off-server-signature-apache-web-server.html
curl with double quotes ("), not single quotes (')sudo apt-get install php7.3-curl
open /etc/php/7.3/apache2/php.ini
uncooment following line:
extension=curl
Restart apache:
sudo /etc/init.d/apache2 restart
put following line in your php file and execute in web browser
echo 'Curl: ', function_exists('curl_init') ? 'Enabled' : 'Disabled';