NETWORK ADMINISTRATION AND SECURITY Essay Example | Topics and Well Written Essays - 1750 words

NETWORK ADMINISTRATION AND SECURITY - Essay Example2002). UNIX back end server support the automatic generation of opening move java beans facilitated the development teams to develop the J2EE application more efficiently. By the UNIX fast XML proxy support, web services argon developed in no clock eon on a distributed system as compared to the previous server architecture. IBM 32 way UNIX servers were also launched in year 2001 with the code name Regatta. The microprocessor architecture comprises of 1 GHz 64 Bit Power 4. This UNIX server is capable of self-healing technology and to decrease system failures. The system is capable to divide into 16 virtual servers which enable the businesses to unite several machines in to one (Popovich 2001). The Client-server model of UNIX was the core components for the growth of Internet and reshaping of the distributed systems networks. Inter process communication in the UNIX operating system involves the connecter between the system componen ts logically and physically. It supports real time network applications which allow the user to exchange messages in an interactive session. UNIX is known as a influence line interface due to nonexistence of a GUI environment Today UNIX is equipped with a GUI along with dynamic communication functionalities. m whatever of the registered UNIX products are HP-UX, IBM AIX, SCO UnixWare, SGI IRIX, Sun Solaris etc. 2 UNIX Administration UNIX system administrator is responsible for installing software, patches, administer file system, analyze and constantly monitor the performance. If either issue occurs, system administrator troubleshoots the issue with the help of available tools and commands. Hardware and software configuration management, liaison with data center, software and hardware migration also supply to the responsibilities of a UNIX system administrator. The UNIX administration is divided in to two separate groups. System Administration Network Administration 2.1 System Ad ministration To administer Linux / UNIX, in that respect are many commands and tools available. To perform useful tasks, following commands are illustrated below with screen shots where possible. 2.1.1 MAN ascendance MAN command displays the online documentation for almost any command or program in UNIX. An incredible amount of information is stored in man pages, but you must know the name of the command you are looking for to be able to search (, UNIX man command). This command extracts the title from the online reference manuals. As in the below mentioned elasticity, there is no manual installed. 2.1.2 su Command Su is used to create a shell with a specific used id. It is used for switching between accounts as compared to Windows switch user option. See the snapshot for example 2.1.3 Who Command This command displays the information regarding the users who is logged in, from how long, and how many users are logged in. As the below mentioned snapshot shows the username, time, da te and how many users are logged in. Common switches are activity, state, line, time and name. 2.2 Network Administration Network administrator utilized ICMP