Thursday, 20th February 2003
I’ve been having fun with SSH lately. Did you know you can set up SSH so you can log in to servers without having to provide a password? It’s called “public key authentication” and is apparently more secure than using a normal password. You generate a public/private key using a program called
ssh-keygen, and store a copy of the public key on the server(s) you wish to authenticate with. When you attempt to log in, the server sends you a message encrypted with your public key—your machine decrypts it and sends back the original message, proving your identity.
Python and Jelly: Scripting Power for Java and XML incorporates an excellent introduction to Python and Jython for Java programmers, with a whole bunch of comparative code samples and comprehensive coverage of differences between the two languages.[... 38 words]
For all of you unfamiliar with Python, get ready for the “next big thing.”
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Douglas Bowman has been having some amusing problems with robots and his calendar. The calendar, visible on every page of the site, automatically adds a “next month” and “previous month” link to allow surfers to browser through the archive in both directions. Unfortunately, Doug ommitted the logic to stop showing a “previous month” link when there were no earlier entries. An enterprising crawler started following the links, and didn’t stop until it had reached 1542![... 113 words]