A chronological documentation test project, nothing serious, really!
You can stop others from hotlinking your site’s files by placing a file called .htaccess in your Apache site root (main) directory. The period before the name means the file is hidden, so you may want to edit your file as htaccess.txt, upload it to your server, then rename the txt file to .htaccess in […]
Function to check if a URL is online/exists. function is_valid_url($url){ $url = @parse_url($url); if (!$url) { return false; } $url = array_map(‘trim’, $url); $url[‘port’] = (!isset($url[‘port’])) ? 80 : (int)$url[‘port’]; $path = (isset($url[‘path’])) ? $url[‘path’] : ”; if ($path == ”) { […]
To run the Windows Manager (Desktop Environment) of your choice the following have to be in the users home directory .xinitrc file. XFCE4 exec startxfce4 Gnome exec gnome-session KDE exec startkde
List the names of files in the current directory dated May 16. ls -l | awk ‘{if($6==”May” && $7==”16″) print $NF }’
An improperly configured DNS setup can be really annoying. You want to make sure that your mappings work both ways: Each hostname should resolve to an address, and that address ought to resolve back to the proper hostname. If an address on your subnet(s) has been assigned a reverse pointer to a hostname, that hostname […]