linux ip scanner command line

Introduction: In the current method of acquiring IP, the ifconfig and IP get functions are all intranet IP. Sometimes the need to obtain an external IP, the current practice is to send requests to external servers to resolve the external server response, resulting in their own external network

How to modify IP address, gateway, and DNS in Linux Command Line This article will briefly describe how to use Linux Command lines to modify IP addresses, gateways, and DNS. Change th

Method One The first approach is to use the Geoiplookup tool, which is a command-line client for querying the Maxmind GeoIP database. Geoiplookup allows you to query for geographic information or network information for an IP address (or domain name). You can install it with the following command (it has a free GeoIP

Set the IP address in the ubuntu command line Cat/etc/network/interfaces # This file describes the network interfaces available on your system # And how to activate them. For more information, see interfaces (5 ). # The loopback network interface Auto lo Iface lo inet loopback # The primary network interface Auto eth0 Iface eth0 inet static Address 192.168.1.104

Modify Host name : "Change inside HOSTNAME can" Vim/etc/sysconfig/network Nic Eth0 IP modified to 102.168.0.1 Ifconfig eth0 102.168.0.1 netmask 255.255.255.0 Gateway modified to 102.168.0.254 Route add default GW 102.168.0.254 Linux command line modify DNS echo "NameS

# curl ifconfig.me114.114.114.114# curl icanhazip.com114.114.114.114# curl ident.me114.114.114.114# curl ipecho.net/plain114.114.114.114# curl whatismyip.akamai.com114.114.114.114# curl myip.dnsomatic.com114.114.114.114# curl ip.6655.com/ip.aspx114.114.114.114# curl http://members.3322.org/dyndns/getip114.114.114.114# # curl ip.6655.com/ip.aspx?area=1 114.114.114.114|XX省XX市# curl cip.ccIP : 114.114.114.114地

Linux command line set IP, gateway, and DNSIP and Subnet Masks execute this command: ifconfig eth0 192.168.1.123 netmask 255.255.255.0Write these two commands in/etc/rc.local or/etc/rc.d/rc.local, so you can keep them permanently./etc/sysconfig/network Set the default gatewa

Address: http://hi.baidu.com/xolee/blog/item/a6455234007c3d2b5ab5f503.html Ifconfig eth0 102.160.1 netmask 255.255.255.0 ---------------------------------------------------------------------- Change gateway to 102.160.254 Route add default GW 102.160.254 ---------------------------------------------------------------------- Modify DNS Echo "nameserver 202.202.202.20">/etc/resolv. conf ----------------------------------------------------------------------- Restart NETWORK SERVICE

The instance is a C-implemented command-line-based port-scanning code and is a non-blocking way to test connectivity to the IP and port. For everyone to use and learning convenience, has been in the code as many places as possible to add a note, I believe that to help you understand the C-port scan has a great help. The specific function code is as follows:

Nic eth0 IP modified to 102.168.0.1 Copy Code code as follows: Ifconfig eth0 102.168.0.1 netmask 255.255.255.0 Gateway modified to 102.168.0.254 Copy Code code as follows: Route add default GW 102.168.0.254 Linux command line Modify DNS Copy Code code as follows: echo "NameServer 202.202.

1 //Fig. 2.7:addition2.java, command line Add "Java University Basic Tutorial _ Sixth Edition 43rd page"2 3 PackageFirst ;4 5 ImportJava.util.Scanner;//Program uses class Scanner6 7 Public classAddition2 {8 Public Static voidMain (String args[]) {9Scanner input =NewScanner (system.in);Ten One intNumber1; A intnumber2; - intsum; - theSystem.out.print ("Enter F

Set the IP address, gateway, and DNS in the command line in LinuxRun the command: ifconfig eth0 192.168.1.123 netmask 255.255.255.0Run the following command to configure the Gateway: Route add default GW 192.168.1.3You can write these two commands to/etc/rc. Local or/etc/rc.

/sbin/ifconfig | Grep-a1 ' ^eth1 ' | grep ' inet addr: ' | Awk-f: ' {print $} ' | awk ' {print $} ' | Grep-e ' ^10\.| ^172\.| ^192\. ' | Head-n1 Analysis of each parameter /sbin/ifconfig display information for all IP addresses Grep-a1 ' ^eth1 ' filters out two lines that start with eht1 grep ' inet addr: ' In the information selected in the last step of the race, further races are selected to inet addr: Awk-f: ' {print $} ' to: Print the s

Query IP on the Web page open URLs can be displayed, but at the command line can be installed w3m/links/lynx these command-line browser, but for this and feel inconvenient, so a lot of IP site to provide unix/linux.Command

Get the native extranet IP address using the Linux command line$ Curl Ifconfig.me$ Curl icanhazip.com$ Curl Ident.me$ Curl Ipecho.net/plain$ Curl whatismyip.akamai.com$ Curl TNX.NL/IP$ Curl myip.dnsomatic.com$ Curl ip.appspot.com$ curl-s checkip.dyndns.org | sed ' s/.*

Ubuntu 15.10 sets static ip Address Allocation fixed ip Address Settings dns settings gateway command line configuration ip fixed ip address does not take effect what to do, ubuntu15.10 Files to be used: Configure Interface Inform

configured, you cannot surf the Internet, first verify that DNS is configured, and that it is configured correctlyYou also need to configure DNSSee the notes for this place?This file is actually generated automatically, equivalent to a connection, not a real fileEven if you modify this place, after restarting, DNS will disappear again, you can tryIt's actually pointing to this file.We just need to fill in this place with our DNS.It won't disappear after the reboot.In addition, we can alsoAdd th

Why do you want to bind IP? Can you specify the IP can not be on the network? The reason to bind IP is because he will change the IP. For example, I am the IP on this computer is 192.168.1.11 this IP has been done in the firewall