Managing and using network connectivity on a Ubuntu system

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Wired Network PPPOE not working

I have created PPPOE connection in ubuntu and now my network manager is not showing edit and delete connection as well as all other network manager options are unclickable i am new to ubuntu so ...
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23 views

How to make Android share Ubuntu's proxy?

I had make my android mobile connect to ubuntu using reverse tethering mode according to this link forum.xda-developers.com/showthread.php?t=2287494. below is my script, and works well. ▶ cat ...
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50 views

How can I install iBall Airway 3G Usb modem in Ubuntu 14.04?

I have bought iball Airway 3G USB modem. I can't configure it on Ubuntu 14.04.
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23 views

WiFi not working after suspend. Have tried fix

Every time after my laptop is suspended (either from closing the lid or manually suspending), WiFi is disabled and clicking on the network indicator says that networking is disabled. The only way to ...
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35 views

apache2.conf tunning help

I set my server to a public IP. When I attempt to connect to it or load a webpage I will occasionally get timed out. I was told to look into the worker threads and script execution location. ...
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1answer
28 views

Workarounds to a lossy network

I have a lossy internet(12% package lost) at home,which leads a extremely slow speed for TCP connections between one of my fully controlled(root access) server and my computer. Is there any ...
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1answer
46 views

Wireless indicator disappeared on Ubuntu 14.04 and can not connect to new wifi

Strangely, wireless indicator has been disappeared. In addition, When I open the network manager, I can not connect to new wifi, so, I am only able to connect to previous connected wifis. Any Help to ...
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15 views

How to change pptp vpn remote password 12.04

I'm looking for a way to change my pptp VPN connection password on the remote server, is there any way to do this? I know that from windows if the password expires the connection automatically prompt ...
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15 views

Keyboard pass-through from one Ubuntu PC to another?

I have two PCs running Ubuntu. Both are on a common LAN and I can even connect them directly to each other with an ethernet cable. Now, it just so happens that I hate the chiclet keyboard on the ...
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15 views

Network adapter dissapears after using ubuntu

im starting using linux and I installed Ubuntu 12.10 in my pc with windows 7. The problem is when I use ubuntu, the network card works normally but when i turn off the pc and/or restart and boot on ...
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54 views

Trying to use Lubuntu as a simple server in a Windows-8 network

I have a couple of Windows-8 machines and a Win-7, and I'd like to use a small ASUS-eee running Lubuntu 14.04 as a simple fileserver for limited data that I usually need on one PC or the other. I have ...
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63 views

VPN Private Tunnel problem. “Connection timed out”

I bought 100GB of Private Tunnel storage few days ago. Private Tunnel works perfect at windows and it works perfect on my phone. Problem is, i followed the guide ...
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24 views

Virtualbox VPN settings

I can connect to a VPN using NetworkManager, but I can't do it from Windows XP running as a guest OS. Unfortunately, the VPN is only to access local servers in my organization, and it isn't ...
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1answer
15 views

Restart ntlmaps without logging out?

I installed ntlmaps from the package repositories. Since then it starts automatically when I login. Now I had to make a setting change. The problem is that I cannot turn off the computer or logout ...
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69 views

Cannot connect to ubuntu samba server via mac OSX “connect to server”

I have Ubuntu desktop server and MacAir with updated OSX. openssh-server and samba have been installed in ubuntu desktop. I could connect to ubuntu through OSX terminal using ssh, but samba file ...
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1answer
21 views

Network configuration on boot taking longer than 60 seconds… why?

My HTPC was running Ubuntu 13.04 and had no problems, but I've re-formatted the system and installed Ubuntu 14.04 (minimal) from scratch and I've having a problem with my network. When the system ...
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1answer
21 views

Using arping command in ubuntu 12.04

I am configuring a pgpool instance to get a HA of postgresql services. I am following this configuration. I found a command and I ran it manually in my console: arping_cmd = 'arping -U $_IP_$ -w 1' ...
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2answers
50 views

Setting a Static Ip on Ubuntu

I'm struggling with setting my static ip, nothing seems to work. When I enter my interfaces, it says (by default): # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback ...
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34 views

How to Install USB Micromax MMX 354G in ubuntu 10.04 [duplicate]

How to install Micromax MMX 354G USB in Ubuntu 10.04
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45 views

link 2 computer over the internet

I have 2 desktop computers and I would like to connect both of these computers together over the internet so I could access the information from one room to another. the computer with the files I ...
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1answer
46 views

I have problem connecting to the internet after upgrading to ubuntu 14.04.1 LTS desktop version

I have problem connecting to the internet after upgrading to ubuntu 14.04.1 LTS desktop version. The system was installed in VirtualBox. It worked well before; after upgrading to 14.04.1 LTS, it ...
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1answer
50 views

How do I set up a firewall/iptables using rc.firewall?

I am new to Ubuntu and am having a bit of trouble getting my firewall set up for my Network Security class. We are set up with 3 virtual machines - a Gateway, a Server, and a Client. We are supposed ...
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10 views

Track up and download of UMTS USB Stick

Is there any easy to use application for ubuntu that can monitor the up and download ammount of my USB-UMTS-Internet Stick and has a GUI?
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2answers
120 views

Computer automatically disconnects from wifi: I have to restart to get back online

My Lenovo Ideapad G50-70 will automatically disconnect from the Internet at random moments on 14.04. The network will first just stop working without any warning, and after a while, it will disconnect ...
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WLAN gets disconnected (deauthenticated from … (Reason: 7))

My Wifi gets disconnected every few minutes (or sometimes hours). This is what I typically see in dmesg output: [ 1303.488008] wlan2: deauthenticated from 84:a8:e4:ed:f1:6e (Reason: 7) [ 1303.557239] ...
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19 views

Ubuntu Server low client dowload speed

In the work we have a Ubuntu server 14.04 working as a proxy server, dhcp and Firewall, we assigns the clients Ips Manually in the dhcp for each Mac Address. The most of the clients go out through ...
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93 views

UFW for OpenVPN

I want to configure ufw (uncomplicated firewall) for OpenVPN. Connections are only allowed through OpenVPN. Everything else should be blocked. So if OpenVPN is disconnected -> no internet! I found ...
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1answer
59 views

USB 3.0 port not detecting USB modem

I have HP 250 G2 laptop with Windows 7 and Ubuntu 14.04 (dual-boot). The laptop has USB 2.0 ports and one USB 3.0 port. I am using USB 3G mobile broadband modem (Huawei K4201), which is working ...
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1answer
17 views

Updated some VM's from 12 LTS to 14.04.1 LTS, and now network throughput is bad, any ideas?

I decided to bite the bullet after seeing the messages about going to 14, and ran the upgrade scripts. This all seemed to go well, so I kept going and updated all 3 of my VM's that are running Ubuntu ...
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1answer
26 views

TWC arris cable modem. browse but no port forward

I have am arris cable modem tg1672g62. i'm running ubuntu 12.04 lts Genuine Intel® CPU 585 @ 2.16GHz 32 bit. i connect to firmware by typing 192.168.100.1:8080 in theory it should be 192.168.0.1 i ...
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29 views

No 'wlan0' on 14.04.1 LTS [duplicate]

Just installed Ubuntu 14.04.1 LTS 32bit on my "mature" Asus X50R laptop. Basically working fine and I'm using it to write this post, with a wired network. However wireless doesn't work. The ...
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100 views

Share Internet Connection via Ethernet connected Router over the LAN

I have a USB modem that works perfectly with Ubuntu but doesn't work with my Wifi router. I want a set-up where the USB modem is connected to my PC and my PC is connected to my Router (via ethernet) ...
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getting following error messages when updating ubuntu [duplicate]

Err http://security.ubuntu.com quantal-security/main Sources 404 Not Found Err http://security.ubuntu.com quantal-security/restricted Sources 404 Not Found
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1answer
21 views

Ubuntu Server/Network Advice [duplicate]

What I basically want to is make so that any one of my family members can log on at any of our Pc/Laptops and still assess their files. I know kinda of know what to do but not completely. Would this ...
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1answer
62 views

How to set up ssh on a lubuntu vm (VirtualBox) and windows host

I've set up a Lubuntu vm using VirtualBox on my Windows 8 desktop and I want to connect my laptop, which is dual-booted with Windows 8 and Ubuntu, to the Lubuntu vm via SSH. I've gotten as far as ...
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31 views

Ubuntu 12.04 LTS disconnect from Wifi when another device connect

Novice Ubuntu user here. I have a very strange problem. I have a wireless connection at home. At one time there could be 3 machines that are connected using wireless (Windows 7 laptop, Window XP ...
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1answer
113 views

How do I keep my Wifi from dropping out?

I have a System76 Gazelle, gapz8, running Ubuntu 14.04. My wifi keeps dropping out at random intervals. I have a new router, so I don't believe that's the issue, but I am in an apartment building, so ...
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26 views

How can I mount a smb-disk using fstab?

I have been following theese instructions: https://wiki.ubuntu.com/MountWindowsSharesPermanently to permenantely mount a disk. I have succesfully used the connect to server-function in Files to ...
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2answers
69 views

Can not get two Ubuntu 14.04 computers to work via Samba

First, I am using Samba because, though primary computers are Ubuntu 14.04, I have Windows laptops. These laptops should gain read access to the primary database. The primary database is on my ...
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90 views

Ethernet connection not working in ubuntu 14.04.1 LTS

I am facing weird issue with my ethernet connection. Its showing connected but when I hit something in the browser it won't though its connecting via wifi to other networks but not with the wired ...
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55 views

Unable to browse internet in Genymotion via VM

I have installed Oracle VirtualBox and Genymotion.. I installed Google Nexus using Geymotion inside the VM. I have ethernet LAN networking in my hostel, but I can't connect Google Nexus VM to the ...
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cant connect to a network,says network services unavailable

when booting my device,it says configuring network then says waiting 60 seconds more after booting and going to the network settings it says network services unavailable I tried editing ...
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1answer
57 views

Host-only network on Ubuntu 14.04 [VBox on W7]

So, I'm running Ubuntu 14.04 on VirtualBox. I'm trying to set a host-only by checking my "virtual" IP on my host's browser and access the index_html on Ubuntu, but it is not working. Here's what I ...
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1answer
57 views

Share Internet from laptop (connected to LAN) to Android using WIFI router

The idea is: Internet - eth0 - Laptop - wlan0 - router - Android Static IPs everywhere. IP ranges are different. Could not establish bridge. bridge-utils unable to add wlan0 to bridge. Android ...
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1answer
47 views

ufw not blocking traffic

I have an apache2.4 webserver, and I am trying to block a malicious subnet using ufw. Here is the UFW setup: $ sudo ufw status verbose Status: active Logging: on (low) Default: deny (incoming), ...
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a Windows 7 server with ubuntu client

at a charity which i attend, they have a windows network for staff and a second for users running in an internet cafe style. You buy a software generated time code for pennies, this allows users 1 ...
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30 views

Network interface

I am having a problem with my network interface in Ubuntu 12.04 LTS. When I boot up, I always get a "booting up without full network configuratio" and I will not be able to connect. I have changed ...
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1answer
21 views

Is it possible to limit NetworkManager to a set of named interfaces?

NetworkManager is great for managing my wireless device, but I don't want it touching the virtual devices I create for network experiments (which I use with VMs or containers). I'd really like a way ...
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49 views

Using a samba path (smb://server/…) to check if a folder/file exists

I have a samba path, f.e. smb://server/path1/path2/ which is located when mounted at /var/run/user/1000/gvfs/smb-share:server=server,share=path1/path2/. I can easily check via filesystem path if the ...
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36 views

How to trick android and ios devices into thinking they are connected to the internet

I have an ubuntu machine setup as an access point, but it is not connected to the internet. I simply want to transfer data between it and smart phones. The problem is, all devices seem to want to ...