echoping is a small program to test (approximatively) performances of a remote host by sending it requests such as HTTP requests.
Echoping, with its default setting, assumes the remote host accepts such connections. Experience show that most Internet routers or hosts do not. Some Unices are not shipped with this service enabled and, anyway, the administrator [...]

Donkey is an alternative for S/KEY’s “key” command. This means that donkey is also an alternative for “keyinit”. Since the entry is printed to stdout (not to /etc/skeykeys), you can easily send it to remote operator by e-mail (with PGP signature or something). So, it is possible to initiate S/KEY without login from the console [...]

Ok, maybe this is not the perfect hacker/sysadmin/cracker tool. But hey everyone needs a break; and for the geek among you what the perfect way to take a break than read webcomic online?
Linux even does that for you too. :)
Dailystrips is a perl script to automatically download your favorite online comics from the web. It [...]

BandwidthD tracks usage of TCP/IP network subnets and builds html files with graphs to display utilization. Charts are built by individual IPs, and by default display utilization over 2 day, 8 day, 40 day, and 400 day periods. Furthermore, each ip address’s utilization can be logged out at intervals of 3.3 minutes, 10 minutes, 1 [...]