DTrace provides powerful tracing abilities, combined with perl's support for user defined trace points gives powerful insight into Perl. More..
I found myself with a need for a list of URL shortening services but I couldn't find a good one. Where I define "good" as "available in a sensible format and kept up-to-date". More..
Certain places firewall TCP ports other than the most common ports. There are many techniques for bypassing such restrictions. One simple approach is to run a SSH daemon on port 443, however a downside of this is you need to dedicate an IP address to this SSH service. More..