Linux GUI Network Configuration Tool

Linux GUI Network Configuration Tool

This article can be useful for day to day use of Linux Network administrator in Linux / Unix-like operating system. Kindly share through our comment box if we missed out.

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IP/Networking Commands

There are a lot of IP commands with short descriptions listed here but you should only

need the ones mentioned here at the top of the page to diagnose and configure your

network.

C:>ping

C:>ipconfig

C:>ipconfig /all

C:>ipconfig /release

C:>ipconfig /renew

C:\>nbtstat –a

Remember when typing from the command prompt you can only type one command per

line, and press Enter after each one to execute it.

C:\>arp –a: 

is short for address resolution protocol, It will show the IP address of your

computer along with the IP address and MAC address of your router.

C:\>hostname:

This is the simplest of all TCP/IP commands. It simply displays the

name of your computer.

C:\>ipconfig: 

The ipconfig command displays information about the host (the computer

your sitting at)computer TCP/IP configuration.

C:\>ipconfig /all:

This command displays detailed configuration information about your

TCP/IP connection including Router, Gateway, DNS, DHCP, and type of Ethernet

adapter in your system.

C:\>Ipconfig /renew:

Using this command will renew all your IP addresses that you are

currently (leasing) borrowing from the DHCP server. This command is a quick problem

solver if you are having connection issues, but does not work if you have been configured

with a static IP address

. 

C:\>Ipconifg /release:

This command allows you to drop the IP lease from the DHCP

server.

C:\>ipconfig /flushdns:

This command is only needed if you’re having trouble with your

networks DNS configuration. The best time to use this command is after network

configuration frustration sets in, and you really need the computer to reply with flushed. 

C:\>nbtstat –a:

This command helps solve problems with NetBIOS name resolution.

(Nbt stands for NetBIOS over TCP/IP)

Definitions

C:\netdiag:

Netdiag is a network testing utility that performs a variety of network

diagnostic tests, allowing you to pinpoint problems in your network. Netdiag isn’t

installed by default, but can be installed from the Windows XP CD after saying no to the

install. Navigate to the CD ROM drive letter and open the support\tools folder on the XP

CD and click the setup.exe icon in the support\tools folder.

C:\>netstat:

Netstat displays a variety of statistics about a computers active TCP/IP

connections. This tool is most useful when you’re having trouble with TCP/IP

applications such as HTTP, and FTP

.

C:\>nslookup:

Nslookup is used for diagnosing DNS problems. If you can access a

resource by specifying an IP address but not it’s DNS you have a DNS problem.

C:\>pathping:

Pathping is unique to Window’s, and is basically a combination of the

Ping and Tracert commands. Pathping traces the route to the destination address then

launches a 25 second test of each router along the way, gathering statistics on the rate of

data loss along each hop.

C:\>ping:

Ping is the most basic TCP/IP command, and it’s the same as placing a phone

call to your best friend. You pick up your telephone and dial a number, expecting your

best friend to reply with “Hello” on the other end. Computers make phone calls to each

other over a network by using a Ping command. 

The Ping commands main purpose is to place a phone call to another computer on the

network, and request an answer. Ping has 2 options it can use to place a phone call to

another computer on the network. It can use the computers name or IP address.

C:\>route:

The route command displays the computers routing table. A typical

computer, with a single network interface, connected to a LAN, with a router is fairly

simple and generally doesn’t pose any network problems. But if you’re having trouble

accessing other computers on your network, you can use the route command to make sure

the entries in the routing table are correct

.   

C:\>tracert:

The tracert command displays a list of all the routers that a packet has to go

through to get from the computer where tracert is run to any other computer on the

internet.

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I thought of sharing ipsec debugging and troubleshooting steps with everyone. Being in VPN technology we explain this to many of our customers and thought of discussing it here on our support forum as well.

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