[2003-07-29] Suid programs, getting to the root of the problem
There are always some little touches left to make your linux even a bit more secure, involving suid, nouser, sudo and etc. Now, this article is newbie friendly, but it also requires some small amount of knowledge. Fear not, for I shall explain everything as painfully as I can. So sit back, grab yourself your favorite drink, some peanuts and relax. 3,2,1...
[2003-07-22] How to Connect Two PC via SLIP Using A Null-Modem Cable on Linux
In this article we'll describe how to connect two PC via SLIP protocol using a null-modem cable. After this procedure, the two PCs will be connected and the IP protocol will be available for interworking, so using IP applications (e.g. telnet, ftp, ping) will be possible.
[2003-07-16] An Alternative to Perl: Shell Scripting With PHP
I know that you all want to get rid of Perl Scripts because of their complexity and the fact that Perl is not an easy language to learn. With the introduction of PHP version 4.2, PHP has started supporting a new SAPI (Server Application Programming Interface) called CLI (Command Line Interface). This facility was introduced to help developers create small shell application (scripts) with PHP, meaning that you can kiss Perl goodbye forever!
[2003-07-07] Authenticating by Public Key (OpenSSH)
SSH is a protocol for secure, remote logins and file copying; and OpenSSH, provided with most Linux distributions, is its most popular implementation. This recipe, selected from Chapter 6 on "Protecting Outgoing Network Connections," shows you how to use public-key authentication to prove your identity to a remote OpenSSH server, a technique more secure than using login passwords.
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