# Locales
```
sudo dpkg-reconfigure locales
```
# Web server
```
dpkg --get-selection | grep apache
sudo apt update
sudo apt install apache2
```
## status and configuration
```
sudo netstat -tlpn
systemctl -all list-sockets
```
```
service --status-all
apachectl configtest
sudo service apache2
```
The configuration files are:
- `apache2.conf` main configuration file for the server
- `ports.conf` configuring virtual server port numbers (80) as default
# Web pages and scripts
The index file for creating a web page is located on `/var/www/html/`.
The *Common Gateway Interface*(CGI) uses the next path for executing CGI scripts `/usr/lib/cgi-bin/`
```
ls
Readme.md index.html test.cgi
┌─[debian][beaglebone][~/md/web-server]
└─▪ vim test.cgi
┌─[debian][beaglebone][~/md/web-server]
└─▪ sudo cp test.cgi /usr/lib/cgi-bin/test.cgi
┌─[debian][beaglebone][~/md/web-server]
└─▪ sudo chmod ugo+x /usr/lib/cgi-bin/test.cgi
┌─[debian][beaglebone][~/md/web-server]
└─▪ cd /etc/apache2/mods-enabled/
┌─[debian][beaglebone][.../apache2/mods-enabled]
└─▪ sudo ln -s ../mods-available/cgi.load
ln: failed to create symbolic link './cgi.load': File exists
┌─[debian][beaglebone][.../apache2/mods-enabled]
└─▪ ls -l cgi.load
lrwxrwxrwx 1 root root 26 Oct 3 03:29 cgi.load -> ../mods-available/cgi.load
┌─[debian][beaglebone][.../apache2/mods-enabled]
└─▪ curl localhost:8888/cgi-bin/test.cgi
BBHello
beaglebone
up for 03:35:43 up 2:51, 4 users, load average: 0.00, 0.00, 0.00
┌─[debian][beaglebone][.../apache2/mods-enabled]
```