Global system of interconnected computer networks that use the Internet protocol suite (TCP/IP) and various routing protocols (such as BGP and others).

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Is there anything suspicious in my ifconfig?

I'm on Linux Mint 18 64-bit and if you check my old posts I was having problem of some sites loading and others loading forever. Below is the output of ifconfig, is there anything strange there? ...
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6 views

Internet keeps getting disconnected on VirtualBox Host

I'm running OS X 10.11.5 on which I have installed CentOS 7 on VirtualBox. Everything seems to be working correctly except this minor bug. Internet keeps getting disconnected if I leave the CentOS ...
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1answer
50 views

CentOS 6.5 Internet Issue Troubleshooting

I have a CentOS 6.5 server running at a remote location that I access using SSH through port forwarding on a router. Everything was working fine until today when I found I can no longer access the ...
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1answer
39 views

How to configure internet on old linux VM

I have downloaded the first version of Mendrake running kernel 2.0.35 for study purposes. I installed the system on a virtual machine (VirtualBox), i used SCSI virtual hard drive for compatibility &...
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1answer
41 views

How to access the internet with new usb kali linux live usb persistence

I have set the boolean in networkmanager.conf to true but I honestly don't know where to go from here. I was factory resetting Windows and it got unplugged so I've been trying to connect Linux (which ...
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1answer
124 views

Linux router - Throughput speed of clients

I have a computer that is configured as a router with two NIC's, one is connected to Internet, the other is connected to the local network switch. I know that I can get the current throughput of NIC'...
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29 views

Set firefox to use non default gateway

I have 2 internet connections. One is set as default, so all traffic goes through it. Other have no default routes added, so no traffic goes through this internet connection by default. boby@hon-...
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27 views

Mint eth0 not showing

I've recently installed Linux Mint on a fairly old laptop (Dell Inspiron 1501, sorry if that makes you cringe), and I managed to get it to work ... for the most part. However, I ran into the issue ...
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30 views

Kali Linux no internet access

I am using the latest Kali Linux version on my Acer laptop (No Virtual Box), and for some reason I lose the connection to the internet when I use a program called "Ghost Phisher". It happens when I ...
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1answer
25 views

provide internet access to an isolated remote server

Say I have a server inside a dataware house. I can connect to it remotely from my PC but it does not have Internet access. Is it possible to configure the SSH connection or any other configuration in ...
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1answer
76 views

Cannot access internet from VirtualBox guest (Arch Linux)

I am using VirtualBox 5.0.20. The host machine is a MacBook running OS X 10.11.5 (El Capitan). The guest OS is 64-bit Arch Linux. When I installed Arch from the ISO, the guest's internet connectivity ...
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20 views

What would cause itermittent internet connectivity on my server?

I occasionally have trouble with an ubuntu VM I set up for testing developement work - it occasionally becomes inaccessible to ssh, can't connect to archive.ubuntu.com for updates, etc. It has two ...
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42 views

How to send a ghost email message?

When I was running tcpdump and watching output on my new created VPS (OS:CentOS 7.1) via SSH, a message appears suddenly: OPTIONS sip:100@My_VPS_IP SIP/2.0 Via: SIP/2.0/UDP 69.64.57.15:5596;branch=...
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1answer
32 views

Can't see any public WiFi

I cannot see any public WiFi using a USB Wifi adapter (TPLink-WN322G). I've installed Kali Linux on my computer. In my other PC and smartphone I can see WiFi connections. After you connect to one ...
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1answer
29 views

WiFi Disappeared Linux Mint 17.3

I have been using Linux Mint for the last month but suddenly my WiFi doesn't work anymore and is not showing. The stock Linux driver was working until a few days ago. My computer is an HP Pavilion g6 ...
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2answers
42 views

How to execute a command when internet is back

Sometimes my wifi is connected to router but my router is not connected to internet. How can I execute a command when my internet is back (from command line)? I want to execute: mpg123 /home/user/...
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1answer
47 views

Unable to access internet after making ip static in beaglebone black

I am newbie in Beaglebone black. I am trying to make my IP static in my Beaglebone black. For this I follow this tutorial. After making changes according to tutorial, my /etc/network/interfaces file ...
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2answers
111 views

Debian installation on Thinkpad tablet x201

I have installed debian on a Thinkpad tablet x201 via usb. The Debian loads actually succesfuly but there are a couple of things that didn't work, most important of which is i have no access to ...
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1answer
2k views

No DNS resolution after upgrade from ubuntu 14.04 to 16.04

I upgraded ubuntu 14.04 to ubuntu 16.04 and I have a problem with the internet connection. Specifically, DNS after update stopped working. For debugging purposes I set the only DNS 8.8.8.8, but name ...
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43 views

No internet connection after update from ubuntu 14.04 to 16.04 [duplicate]

Is there anyone who may help me with the following problem? I upgraded ubuntu 14.04 to ubuntu 16.04 and I have problem with the internet connection. Secifically, DNS after update stopped working, I ...
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3answers
119 views

How to check which network interface is active and providing internet?

ip link show 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 2: eno1: <BROADCAST,MULTICAST,UP,...
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2answers
195 views

Cannot connect to the internet (even pinging my own router) on any distro

I always run Windows 10 (Ethernet and WiFi work fine) but I dual boot and changed my distro from Arch (~6 months ago) to Fedora (~3 months ago). Fedora used to connect sometimes and sometimes not. ...
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85 views

forcing proxy traffic to route via a specific 3G dongle interface

I've searched for details on how to do this but I've been unsuccessful - I wondered if someone could offer up some advice. I have 2 network cards (LAN and 3G in my case), LAN is my main interface (...
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2answers
68 views

How to Connect Raspbian to Internet in Eth0?

I have Raspbian Jessie in a Raspberry 3b. My test experiment is ping google.com, which I do when studying network. My configs in Raspberry in /etc/network/interfaces based on this thread but changed ...
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83 views

Debian - BeagleBone Black - Can't connect to internet

I've been using the BeagleBone black for about half a year now, running the stardart image version "bone-47", which is their image running on debian. Today I updated the OS to a newer image "bone-70", ...
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15 views

Troubles with the internet connection once in a while

I'm using linux mint on a mac book pro. It runs quite well. The only thing is that I have once in a while (1-5 times a day) a problem with the wireless lan connection. The problem only appears when I'...
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1answer
161 views

Upgraded Debian Stable (Jessie) desktop not connecting to wired Internet

I updated my Debian Jessie installation a few days ago to the current minor version (8.3), which included a new Linux kernel (uname -a gives 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt20-1+deb8u3 (2016-01-...
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2answers
87 views

No internet on Linux Mint 17

I have been using Mint 17 for the past 2 months now and it didn't show any problem in networking. Recently, however, when I connect to WiFi it works fine for a while, but when I leave the system idle ...
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1answer
23 views

Can't find GNU Icecat (or Firefox) source code

I've been using GNU Icecat Browser (libre Firefox version made by Gnuzilla) for some weeks. I've been diving through its menus and I found an error: When I get into the 'Customize Mode' (the one that ...
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3answers
96 views

Program cannot resolve host name if it's started before first successful internet connection

This is related to a stackoverflow post I posted. Basically I have a Python script that I'm running on an embedded system (Buildroot-based). The python script runs on startup, but I cannot guarantee ...
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39 views

Linux Mint Quiana 17 xfce 32 bit - recent update has disabled internet but skype works

After a recent update from Linux Mint, firefox no longer connects and nor do other things like the updater itself! However, skype still works. After looking on some other forums and asking the same ...
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46 views

What is the command for connecting to WiFi from the command line? [closed]

What is an easy way to connect to a secured network from the command line in Arch Linux(without an X server)? I am looking for a command, or a sequence of commands that will allow me to connect to ...
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1answer
72 views

Eth0 recognized by ifconfig -a, interfaces correct, cannot connect?

So, I had a WiFi connection "working" with WPA Supplicant. That took quite a bit of doing, and wasn't optimal. The networks would drop out every few minutes. I wrote a script which would reset the ...
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1answer
412 views

Block all internet connections unless connected to OpenVPN server

I want to block all internet connections unless I'm connected to my OpenVPN. Now of course, I need to allow connection to the VPN server. Can this be done, by allowing out/in traffic to/from the VPN ...
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1answer
140 views

Debian Jessie server has no internet access

I have a server running Debian 8 Jessie that constantly loses it's internet access for seemingly no reason. The server has two wired connections, the internet access is on eth0 and the internal ...
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1answer
58 views

Multiple network interfaces and airmon-ng

Before using airmon-ng on a network interface, you now have to do : airmon-ng check kill This is essential in order to be able to put any interface in monitor mode, but it stops the service network-...
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1answer
23 views

How to manage network adapters?

Let's pretend i have two wireless adapters, one is usb and one is pci and they are named wlan0 and wlan1. Is there an easy (and graphical, if possible) way to force applications to use one adapter or ...
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2answers
73 views

Wi-fi in Kali Dual-Boot not working

I installed Kali on my MacBook Air (Mid-2013) through a bootable USB with persistence. However, I am unable to connect to Wifi. Infact, the build does not even show any Wifi/WLAN settings or show a ...
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1answer
67 views

Failure to connect to hidden SSID with WPA Supplicant on Debian?

I asked a similar question the first time I did this. It can be found here. I tried to streamline the process this time. I got the hardware ID of my WiFi-Dongle on my windows machine, and searched ...
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49 views

Internet not working on Puppy 6.3 64 bit O.S using Frisbee telephonic pppoe connection

I have Dialup broadband internet connection. On windows I use PPPOE Connection type with giving connection server name, user name and password, it works perfectly on windows. On Linux Puppy (...
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0answers
27 views

WPF plug-in for Firefox?

Is there a WPF Plug-in for Firefox? I read online that there is a Plugin for windows but I can't find the information that the same plug-in is available for Linux. My situation is that I have a .xbap ...
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1answer
373 views

Ubuntu ethernet connection works for few seconds then drops (with Win 7 dual boot)

I've looked through other posts with similar issues but so far to no avail. I'm running dual boot with Windows 7 and Ubuntu 15.10 and although the Ethernet connection works on Windows, when I boot ...
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63 views

Router Port Forwarding to Raspian Jessie fail

On 'Wheezy', receiving connections from a forwarded port works with no problems, however after upgrading/switching to 'Jessie', forwarded ports stop working. On uverse, I'm forwarding port 8000 to ...
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2answers
90 views

debian installation - connect to home router for internet connection

I am installing Debian 8.2 Jessie in a Intel PC through a USB stick I completed the installation in different ways today, but at the end of each of them, I still am without an internet connection, I ...
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1answer
81 views

How to share a ppp internet connection over wlan interface on ubuntu?

Im using a 3G USB huawei modem to get access to the internet, therefore, i have an active ppp interface addressed. I want to share this access with my wlan interface so that every device that will get ...
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0answers
63 views

OpenVPN Connection without disabling Internet debugging

I've recently configured OpenVPN on my server (CentOS 7) and been configuring it for hours now and everything seems to work fine except that when I connect using a client machine I cannot access the ...
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1answer
277 views

OpenVPN connects to the Server successfuly but no internet access

I want to setup an OpenVPN Server and after a week of trying day and night (no Linux Knowledge) I was able to successfully connect to the Server using OpenVPN GUI but now that I can Connect there is ...
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29 views

Wireless network not being detected on Lenovo Thinkpad X201 tablet

Hello to all in this community, I have a Lenovo Thinkpad X201 tablet which I recently had to take apart to clean the fan (was getting a "fan error", causing my computer to shut down at random). After ...
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2answers
222 views

iptables: No chain/target/match by that name - adding SSH ATTACK rule

I have a problem with adding rule against brute-force SSH attacks. I try to do it in the following way: iptables -F iptables -L iptables -N SSHATTACK iptables -A SSHATTACK -j LOG --log-prefix "...
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54 views

Is there another way to create DSL connection?

There are problem among distros of Ubuntu family: in versions 15.10 I can not create a DSL connection (pppoe service) - neither using Network Manager (GUI) nor using 'pppoeconf' command. Is there an ...