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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Can't access select https sites on Linux over PPPoE

My internet connection used to be a direct LAN connection to my provider. Back then, everything would load fine on both Windows and Ubuntu (dual boot). However, a while ago they started needing me to ...
10
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2answers
379 views

Linux program to look into what you're downloading

Is there a linux program that allows you to look into your current download traffic? Something that can list all the addresses I am currently connected to and downloading from.
10
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2answers
6k views

Merging two internet connections from two network interfaces in order to obtain double speed

I have two network interfaces (one wired & one wireless). I have two internet accounts too (each 256 kBps; one from a modem that I use as wired connection & the other from a wireless network). ...
8
votes
2answers
1k views

Measuring internet connection quality

I'm having WLAN trouble on my dualbooting win/linux laptop - the connection on linux side has occasional trouble, and seems somewhat slow and chunky. I would try to fix this issue by fiddling with all ...
8
votes
1answer
8k views

Hotspot and Internet access together — why not?

If I try to set up an hotspot in GNOME, I get the following message: If you have a connection to the Internet other than wireless, you can use it to share your internet connection with others. ...
7
votes
2answers
2k views

Serve Internet to remote machine via SSH session?

The machine via which I'm SSHing to the remote/host machine (same network/LAN) has access to the Internet but the host doesn't. Running updates and installing packages on the host gets quite ...
7
votes
4answers
45k views

Why can't I ping Google?

I can't ping google.com (unknown host). But I can ping IP addresses. I tried to ping the IP address of Google but it doesn't work. resolv.conf nameserver 8.8.8.8 nameserver 209.139.209.33 ...
7
votes
2answers
4k views

Terminal commands equivalent to NetworkManager's “Use as Hotspot” option

I'm making a gui application which will control my laptop in order to make it act as a wifi hotspot. I may change distributions so I want to find a solution which will work generally for all ...
6
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1answer
5k views

anonymous url navigation in command line?

Is there any way to anonymize http requests through the command line? In other words, is it possible to wget a page without the requester's IP showing up?
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2answers
6k views

Blocking Websites with /etc/hosts

There's a website, www.example.com, that I tried to block myself from accessing because it wastes too much of my time. So I configured my /etc/hosts file. I added the following lines, to block the ...
6
votes
1answer
4k views

NAT (Internet connection sharing) switching between multiple public interfaces

My Ubuntu 12.04 (precise) laptop has three network interfaces: eth0: wired interface sometimes connected to the Internet wlan0: wireless interface sometimes connected to the Internet vboxnet0: wired ...
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votes
3answers
5k views

Get my country by IP in bash

I want to use the name of the country where I am now in a bash script. I can get the external IP using next command: curl ifconfig.me But how can I get my country name?
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votes
2answers
3k views

Preventing program from using internet

Is there a way to block certain programs from being able to connect to the internet in Debian (a firewall blocking outgoing connections), so for example, to block a windows program running in wine ...
5
votes
2answers
144 views

Should /etc/hosts contain the domain name or the FQDN?

If I want to add an entry to /etc/hosts to resolve all traffic for example.com to 1.2.3.4, do I need to add 1.2.3.4 example.com 1.2.3.4 www.example.com 1.2.3.4 smtp.example.com 1.2.3.4 ...
5
votes
3answers
928 views

periodically can't access google

On a daily basis, at around the same time each day (early morning and early afternoon), my computer stops being able to access google or any sites that use google code (including sites that use google ...
5
votes
1answer
7k views

Arch Linux on Virtualbox Internet Connection Issue on VirtualBox

I have successfully installed Arch Linux on VirtualBox but the internet is not working in it. There was no issue with the internet connection during the installation but when I boot from the virtual ...
5
votes
2answers
70k views

Host unreachable and I do not get why

I can not open a specific website. This is a website hosted by our company, and I know it is up. However, these are my symptoms: VARIABLES: host.com - the website I can not open x.x.x.x - the IP of ...
5
votes
1answer
310 views

Outlook.com usage impeded in Linux

Question in a nutshell: how can I determine the cause of a problem that occurs in Linux but not Windows (my working theory: it is due to differences between IcedTea-based Java and the Java run in ...
5
votes
2answers
931 views

Adding a network card to the modprobe file

I'm trying to setup an ADSL connection on an Arch Linux machine. I read the Arch wiki article on Internet Access, but I'm still confused -- how do I add my network card to the modprobe file?
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votes
4answers
5k views

Shell Scripting: Proper way to check for internet connectivity?

I found scripts that say they check for internet connectivity. Some check the ip address if the interface is connected BUT it does not check for internet connectivity. I found some that uses ping like ...
4
votes
4answers
262 views

Internet SSH Server Security Considerations

What steps should I take to reasonably secure my linux desktop before opening sshd to the Internet so I can connect from anywhere?
4
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3answers
474 views

Is it possible to simulate “no external access” from a Linux machine when developing?

Sometimes I upload an application to a server that doesn't have external internet access. I would like to create the same environment in my machine for testing some features in the application and ...
4
votes
1answer
2k views

Internet(ADSL) connection doesn't seem to be working on Arch

I've already set up ADSL and used it already for a system update, so I'm sure the set up is ok but pacman suddenly stopped working and when I checked ping wasn't working too. How can I find out what ...
4
votes
1answer
2k views

Ping doesn't work, but I can browse through the internet

Pinging my default gateway is working properly and I can browse google and facebook in my browser. But, ping google.com and ping facebook.com on my terminal are not working. PING google.com ...
4
votes
1answer
36k views

How to use traceroute command in unix

how to determine if the server is slow or not with traceroute unix command . Here is the traceroute Out put of a host IP . traceroute 188.165.247.43 traceroute to 188.165.247.43 (188.165.247.43), ...
4
votes
2answers
3k views

Problem with recursive download using wget

I am trying to learn how to use recursive download with wget from the wget info page. For example, let us try to download all the images of xkcd. A list of all the pages is present in the xkcd ...
4
votes
2answers
198 views

Internet access via server

We have proxy-server and I run Linux Mint 15 Mate. I've set up network connection and Firefox prompts for login/pass and then connects to Internet. When trying to look for updates/new software, system ...
4
votes
1answer
3k views

Share Internet connection from a Debian laptop to a FreeBSD desktop

I have this situation: My Debian laptop is connected to the Internet via its wlan interface through my wireless router. Recently I decided to install FreeBSD on a very old machine (a celeron 300Mhz) ...
4
votes
1answer
118 views

Determine monthly internet transfer to detect right FUP

I live in a country where many ISP (internet service providers) have FUP (fair use policy, limit on amount of data transferred). I need to get a new connection and I would like to measure how much ...
4
votes
1answer
359 views

Debian Wheezy subnet configuration (proxy, MASQUARADing etc.)

I have a "server" with eth1 having a full IP address, DNS, gateway and proxy name connected to the university internet/intranet provider and eth0 IP 192.168.1.2 connected by a gigabit switch with two ...
4
votes
1answer
94 views

What application can I use to block hosts with regex?

Is there any tool/application that I can use to block hosts from all forms of connection from my computer? Currently I use /etc/hosts and place the absolute host like this: 127.0.0.1 ...
3
votes
3answers
7k views

CentOS 6.5 in virtual box : can't install any package

I have just installed CentOS 6.5 on my virtualbox. I wanted to install the GUI, using this command : yum groupinstall -y 'X Window System' but it gave me the following error message : "couldn't ...
3
votes
1answer
5k views

Can't connect to steam

I've just installed Steam on my computer, created a Steam account and tried clicking on the steam icon to load it. It gave me the following error and then shuts down: If I type steam in the ...
3
votes
2answers
207 views

Commandline tool for comprehensive and integrated testing of internet connectivity

Is there a commandline tool for GNU/Linux which will analyse download and upload speed, packet-loss, latency and other factors which will indicate internet connectivity status?
3
votes
1answer
799 views

Spoof current MAC address to a known address to trick router and register device

I want to connect to a device to the internet, a Roku player, that has its own MAC address. The network that I currently have access to requires that I login using my credentials prior to being ...
3
votes
1answer
4k views

Where are Proxy Settings Stored?

I'm coding a small application that connects to the Internet and retrieves information from my server using bsd socket. I looked at where the proxy settings are stored under Linux but i couldn't the ...
3
votes
4answers
1k views

Set monthly data limit for internet proxy (squid) users

We are using a squid proxy server (version 3.1.4) in our office environment on linux box. In total we are approximately 20 users and all are in one network and we have internet plan of 25GB/month. Now ...
3
votes
1answer
2k views

Automatic internet connection on startup in OpenBSD?

I just installed the OpenBSD in my computer. I am completely new to Unix-like operating systems. I've learned how to connect to my wireless network using the following commands (even though I don't ...
3
votes
1answer
256 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 ...
3
votes
1answer
37 views

How can I find my client's linux box on the internet automatically?

I'm looking for a way to have a client's machine "phone home" periodically so that I can easily do a ssh login if necessary. I was thinking a simple script that grabs the public IP address and posts ...
3
votes
4answers
441 views

Only allow process to run between hours x and y

I use a mobile data connection service. I only have unrestricted bandwidth between 9am and 4pm. I wonder how I can "silence" applications such as the Dropbox applet outside that schedule. I thought ...
3
votes
1answer
2k views

Share Internet Connection from computer to new router

On my linux computer I have an external wlan adapter which is connected wirelessly to internet (an access point). Now I want to connect my linux computer via ethernet cable to a new ddwrt router. This ...
3
votes
1answer
39 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 ...
3
votes
1answer
118 views

Connecting to wifi in CoreOS?

I can't seem to find very much info on this pretty basic topic for CoreOS: How can I connect my laptop to the internet with wifi? I can't seem to find much of any information for how to connect to the ...
3
votes
1answer
814 views

Create wireless access point and share internet connection with nmcli

How can I create a Wi-Fi hotspot with command line tool nmcli and share the ethernet internet connection to the wireless access point? Furthermore how can I start this automatically at boot? Is that ...
3
votes
1answer
64 views

Auto disconnect from WLAN if unused

For Nokia N900 there is an app called AutoDisconnect which monitors the WLAN usage and closes the connection if the traffic is very low. I'd like to have something like this on my future notebook in ...
3
votes
1answer
2k views

Can not connect wirelessly to internet in CrunchBang 10

I am trying to install Crunch Bang 10 on a clients computers. The problem is, wireless internet is not working. Internet on the computer has worked before when it had Lubuntu on it. I have wired ...
3
votes
2answers
3k views

Debian: No internet connection on reboot

A server I develop on ran out of memory during an overnight job and had to be rebooted. Upon reboot, it no longer has an internet connection. I've exhausted my google-fu abilities trying to ...
3
votes
2answers
1k views

How to check and block processes connecting to internet directly?

Is there a way to find which processes in my system are getting connected to net automatically. Is there a way to select and block net access of some processes permanently? I use mint 11. I use a USB ...
3
votes
0answers
58 views

Restore internet connectivity and graphic desktop manager wiped out during a package installation

Abridged Antecedents I run Ubuntu 12.04 LTS on a x68_64 computer. A few days ago I run sudo apt-get -f install for a general overhaul of broken dependencies. I did so in order to remove the conflicts ...