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Server Management Software - Linux & Android System

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VICTORIA UNIVERSITY

   

Web Application & Server Management (VIT1204)

   

Added on  2020-03-07

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In this document, we will discuss Linux and Windows OS Commands to view and modify the network interface configuration on a system. The ping command refers to packet internet groper, the command tests interconnection between nodes or devices in a network. Also, we cover the following topics TCP/IP model, ns lookup, arp command, Net BIOS, and the android operating system.

Server Management Software - Linux & Android System

   

VICTORIA UNIVERSITY

   

Web Application & Server Management (VIT1204)

   Added on 2020-03-07

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Running head: SERVER MANAGEMENT SOFTWARE 1Server Management Software NameInstitutional Affiliation
Server Management Software - Linux & Android System_1
SERVER MANAGEMENT SOFTWARE 2Server Management Software Part A: Linux and Windows OS Commands Linux Utilitiesifconfig. ifconfig stands for “interface configuration.” ifconfig is applied to view and modify the network interface configuration on a system. The command displays existing data about the network configuration to set up a netmask, IP address, and broadcast address to a network interface. ifconfig syntax is as follows:ifconfig interface [address family [ address [ destination address ] ] [ parameter1, parameter 2, parameter 3, ..., parameter n]ifconfig interface [ protocol family ] interface protocol familyifconfig –a [-l] [ -d] [-u] [protocol family] ifconfig interface [tcp low rto | -tcp low rto]ifconfig command can be used to assign addresses to a network interface. Further, the command can be used to display or configure information for an interface. It is used at startup of a system to redefine some parameters such as the interface addresses (“ifconfig Command,” n.d.). The screenshots below shows some usage of the commands. The first one enables the network interface and the second one disabled it. Screenshot 1: using ifconfig to enable the network interface
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SERVER MANAGEMENT SOFTWARE 3In the above command, the eth) is the interface name and ifup and up are the flags. The command checks if a network interface is in its active for to activate it. As such, the network can start receiving or sending traffic. ifup eth0 activates eth0 network interface. Screenshot 2: using ifconfig to disable network interfaceIn the above command, eth0 “down” and ifdown eth0 deactivates the eth0 interface if it isin an active state. Ping. The ping command name is ping - send ICMP ECHO_REQUEST to network hosts. Ping refers to Packet Internet Groper. The command test interconnections between nodes or devices in a network. It can be used to test the connection both in wide area or local area network (WAN and LAN). The Internet Control Message Protocol (ICMP) in the ping commandis used to communicate from a device to others. ECHO_REQUEST is a mandatory datagram thatis employed to elicit an ICMP response from a gateway or a host. It has an ICMP and IP header and a set of pad bytes that fills out a pocket. Haas (2017) notes that the ping command is used forchecking the connectivity between one node and another in a network, or one computer and another. The ping syntax is as shown below:ping –s [ -d] [-I] [ -L] [ -n] [ -r] [ -R] [-v] [-i address] [ -I interval] [-t ttl] host [size of packet] [ count]. In this syntax, the –d sets the SO_DEBUG option in a sock, the –I is a loose source code used in an IP header to forward a packed to and from a particular host. –L turns off the multitask packet loopback, -n show the addresses in form of numbers in a network (ping displaysaddresses in form of host names). –r is used to bypass the common routing tables. It sends
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SERVER MANAGEMENT SOFTWARE 4directly to the host. –R is a record route and –v is the verbose output that lists ICMP packets received. –i address specifies the outgoing addresses used in multitask packets. –t ttl specifies theIP time to live for the packets while ‘host’ is the network host. Packetsize is the size specified fora packet size, normally set at 64. Count is the number of times a ping request is sent. The ping command shown below is used increase the time interval before sending a packet. In the example, the time interval has been increased by 5 seconds.TCP/IP Related Utilities ipconfig. This command displays the current TCP/IP network values. It refreshes the DNS and DHCP settings. The command can be used without parameters to examine and show details about the default gateway, IP address, and subnet mask. The syntax of ipconfig is as show below:ipconfig [/all] [/renew [adapter]] [/ release [adapter]] [/flushdns] [/registerdns] [showclassid adapter] [setclassid adapter [classID]]In the above syntax, /all displays the TCP/IP configurations, /renew renews the settings of the DHCP, /release tells serve to discard the configurations, /flushdns refreshes and rests the resolver cache of the DNS, displaydns shows the DNS cache contents, /registerdns activate manual registration of DNS names and addresses, showclassid displays the DHCP class id, setclassid configures the DHCP class id (“ipconfig,” n.d.). The example below shows the ipconfig commands in Windows OS without any parameters to display the subnet mast, default gateway, and IP address.
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