Articles
This page lists some technical articles I have written in my free time.
SSH Key Generation
Sometimes, the secure commands like ssh, scp, sftp, etc. might have to
be run in a non-interactive mode, especially when called from a shell
script. Anyone trying this for the first time, faces a major problem of
automating the authentication. The password can not be passed as a
standard input to these commands. This problem can be solved by
generating cryptographic authentication keys. There is a utility called
ssh-keygen which can be used to create RSA or DSA keys.
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Writing Boot Sector Code
This article explains how to write codes which can be written into
the boot sector. Two programs are discussed in the following sections.
First one simply prints the character, 'A' on the screen. Second
program prints a string. You are expected to have a working knowledge of
assembly programming using GNU as. The details of the assembly language
won't be discussed. Only how to write codes for boot sector will be
discussed.
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