Tag: ibm
-
If you're involved in the retrocomputing or PC history scenes, chances are you've heard of double-sided floppy disks that are formatted for one system on side A and another system on side B. For example, I've got a copy of the game Ninja which had the C-64 version of the game on one side and the Atari port on the other. At the time this was a pretty straightforward thing to do because drives only read one side of a disk at a time. A couple of weeks back, PC historian Trixter came across a highly unusual 5 1/4 …
Read more...
-
Researchers from the University of Nevada and IBM's Almaden Research Lab have used the BlueGene L supercomputer to run a heretofore unprecedented simulation of about one-half of a mouse's brain. It's not easy to keep an organic brain going outside of a living body so they did the next best thing, which was write a program that emulates the organic brain as closely as they could. This isn't as easy as it sounds because neural networks more advanced than those of worms have so many interacting factors that taking them all into account is a gargantuan task. It is also …
Read more...
-
You're getting old if you consider sleeping until 0900 'sleeping in'.
When configuring a firewall with
IPTables you have to specify the protocol before the port number(s) in each command. Do this:
iptables -A INPUT -s 1.2.3.4 -p tcp --dport 22 -j ACCEPT and not this
iptables -A INPUT -s 1.2.3.4 --dport 22 -p tcp -j ACCEPT If you don't, you'll see error messages to the effect of "Unknown arg '--dport'"
When writing
Snort rules, there are a few things to keep in mind. First of all, rules come in two parts: the …
Read more...