Category Archives: Networking

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Netdiscover – Active/Passive network address scanner using ARP requests

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Netdiscover is a network address discovering tool that was developed mainly for those wireless networks without DHCP servers, though it also works on wired networks. It sends ARP requests and sniffs for replies.
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© ruchi for Ubuntu Geek, 2016. |
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Fix for DNS problems after upgrading from Ubuntu 16.04 to Ubuntu 16.10

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I have recently upgraded my desktop machind from ubuntu 16.04 to ubuntu 16.10 and after reboot some of the websites are not working.
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© ruchi for Ubuntu Geek, 2016. |
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Network Interfaces Name change in Ubuntu 15.10 (Wily Werewolf)

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In Wily Werewolf, starting with systemd/udev will automatically assign predictable, stable network interface names for all local Ethernet, Wlan and Wwan interfaces.
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© ruchi for Ubuntu Geek, 2015. |
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DNStracer – Trace DNS queries to the source

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DNStracer determines where a given Domain Name Server (DNS) gets its information from, and follows the chain of DNS servers back to the servers which know the data.
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© ruchi for Ubuntu Geek, 2015. |
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Nutty – A Network Utility

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A simple application to provide essential information on network related aspects. The information is broken into the following presented in a tab view.
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Monitoring Network Bandwidth per process using NetHogs

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NetHogs is a small ‘net top’ tool. Instead of breaking the traffic down per protocol or per subnet, like most tools do, it groups bandwidth by process. NetHogs does not rely on a special kernel module to be loaded. If there’s suddenly a lot of network traffic, you can fire up NetHogs and immediately see which PID is causing this. This makes it easy to indentify programs that have gone wild and are suddenly taking up your bandwidth.Since NetHogs heavily relies on /proc, it currently runs on Linux only.
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© ruchi for Ubuntu Geek, 2015. |
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Tcptrack – Monitor TCP connections on the network

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tcptrack displays the status of TCP connections that it sees on a given network interface. tcptrack monitors their state and displays information such as state, source/destination addresses and bandwidth usage in a sorted, updated list very much like the top command.
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sshuttle – A transparent proxy-based VPN using ssh

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sshuttle allows you to create a VPN connection from your machine to any remote server that you can connect to via ssh, as long as that server has python 2.3 or higher.To work, you must have root access on the local machine, but you can have a normal account on the server.
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SendIP – Tool to send arbitrary IP packets

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SendIP is a command-line tool to send arbitrary IP packets. It has a large number of options to specify the content of every header of a RIP, RIPng, BGP, TCP, UDP, ICMP, or raw IPv4/IPv6 packet. It also allows any data to be added to the packet. Checksums can be calculated automatically, but if you wish to send out wrong checksums, that is supported too.
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Prips – Print IP address on a given range

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prips is a tool that can be used to print all of the IP address on a given range. It can enhance the usability of tools that are made to work on only one host at a time.
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