Yes, that's one of the ways to disable the border. This usage is fine.
Speaking of existing monitoring solutions, take a look at Munin. It generates an HTML page with plots and it's even written in Perl.
In reply to Re^3: How to PRINT CGI html table to a PNG file
by aitap
in thread How to PRINT CGI html table to a PNG file
by theravadamonk
| For: | Use: | ||
| & | & | ||
| < | < | ||
| > | > | ||
| [ | [ | ||
| ] | ] |