Designed to fill the gap left by expensive, heavy-duty network intrusion detection systems, Snort is a free, cross-platform packet sniffer, logger, and intrusion detector for monitoring smaller TCP/IP networks. It runs on Linux/UNIX and Win32 systems. It takes mere minutes to install and start using it.
The two operating systems are generally very similar, but they have some important differences: Linux behaves more like System V UNIX, while NetBSD is more similar to the Berkeley flavors of UNIX. From an end user perspective, Linux tends to support more and newer hardware, and tends to have a larger share of users. ...
Definition A simple makefile consists of rules with the following shape target … : dependencies … command … … A target is the name of a file that is generated by a program; examples of targets are executable or object files. A target can also be the name of an action such as clean,...
DNS Quickie The nameserver is a program that matches an IP address say (192.168.0.244) to a hostname say (test.linuxnepal.com.np). It also provides for matching in the opposite direction as well, informing you that the machine that has the address 192.168.0.244 is called test.linuxnepal.com.np. To setup the Domain Name Server, following files and directories have...
File ownership is a prime component for Linux to provide a secure method to maintain files in a file system. Every file in Linux has the following attributes: * Owner permissions * Group permissions * Other (World) permissions The owner’s permission is granted to the current owner of a file or directory. The group’s...
Operating System: It is a software program designed to act as an interface between a user and the computer. It controls the hardware, manages the system resources and supervises interaction between the system and its users. Functions of Linux: i) Command Interpreter: The operating system interprets the command i.e. input instruction given by the...