# 2017-07-11

Since some years I have a subdomain share.creal.de, which is basically
just this nginx configuration:

    server {
        listen          80;
        server_name     share.creal.de;

        root    /home/michi/www/share;

        location / {
                root    	/home/michi/www/share;
                index   	index.html;
		add_header      X-Robots-Tag "noindex, nofollow, nosnippet, noarchive";
        }

        location /protected {
                root            /home/michi/www/share/;
                index           index.html;

                auth_basic 	"Restricted";
                auth_basic_user_file /home/michi/www/share/protected/.htpasswd;
        }

So whenever I want to quickly share something with somebody, I just scp
the file into www/share/ and it is immediately available as a statically
served file. This is quite handy and I use it very often. But of course
over time this folder got a messy garbage heap.

So recently I have added another subdomain where I share files: tmp.creal.de.
It is set up in the same way, but there is one difference: each morning a
cronjob runs and removes files which are older than 31 days.

	40 6 * * * find /home/michi/www/tmp/ -type f -mtime +31 -delete

Note:
At first I had `find ... -type f -mtime +31 | xargs rm`, but then I stumbled
upon the -delete flag of find, which basically has the advantage that find
deletes all files in one rush at the end. With the xargs version there would
be a large overhead, since a lot of xargs processes might be spawned, depending
on how many files are found.