Managing and using network connectivity on a Ubuntu system

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unable to use wifi on sony vaio duo 13 SVD13215CGB

I'm new to linux and I've recently installed ubuntu 15.04 onto my 16GB thumbdrive. The issue is that it has no wifi capability. lspci shows: 00:00.0 Host bridge: Intel Corporation Haswell-ULT DRAM ...
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7 views

Ubuntu wifi problems with new router

I am using Ubuntu 14.04 LTS and have recently installed a new TP-LINK TL-WR841N Wireless N router at my home. Since then websites such as Facebook, Yahoo, Stackoverflow itself are not properly ...
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1answer
9 views

Setting up network for two places with different static IP addresses by script

I have a Raspberry Pi 2 and I'd like to use it at home and at work. At home it could get a DHCP address or a static address 192.168.2.x but at work it must get the static IP address 10.10.34.122. I ...
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9 views

Broadcom wireless network driver won't install offline

My Ubuntu 14.04 does not have network access. I tried installing the driver as explained here but it doesn't work. I get the exact same error message as ln78 complains about. Pilot6 responded to this ...
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1answer
14 views

Can't connect to PPTP VPN server

I'm facing issues when trying to connect to a windows vpn server. On my win 8 I can connect without problem; when I go to my ubuntu I can't connect to the vpn. It is the same desktop, so the same ...
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25 views

Can connect to the Wifi but can't access the internet

I am using Dell Insipiron 5521 and have installed Ubuntu 14.04 about a month ago. I have always used Ethernet to access the internet (it works pretty well) but whenever i try to access internet ...
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12 views

Wifi runs well with Other router other than Netgear

I have sony vaio laptop with ubuntu 14.04 installed on it. My machine connects to netgear router but can't load any data from it. like i can't ping google.com But when I connect to some other ...
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9 views

Connect To Lubuntu Server Via SFTP From Web

I have a Lubuntu machine which I use as my main home file backup. I have a Wordpress blog which I would like to backup using a plugin. The plugin allows backup to FTP/SFTP, so this seems the best ...
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1answer
22 views

Wifi problem on 14.04

Even when I was using Windows XP, I could only use the internet with my ethernet cable plugged in, I could never search for WiFi networks. I thought switching to Ubuntu might fix it as new drivers ...
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14 views

How can I sync a folder on my Desktop (Ubuntu 12.04) into a folder on a server in my network?

How can I sync a folder on my Desktop (Ubuntu 12.04) into a folder on a server in my network which requires a password for authentication and being connected via port 714. How can I include the ...
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21 views

Resolve My DNS problem and help me in accessing internet

I am using ubuntu 14.04. I am unable to access internet. The connection information are all fine. In fact when I ping my IP it is responding but when I ping my DNS it says destination host ...
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21 views

My ip address is wrong (Kerio Control)

When I check my IP here, it shows a wrong country. I think this is because I have tried to establish a VPN connection using kerio. I have downloaded the package ...
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8 views

How to reflash to show the new IP address for MAAS v1.5 / Ubuntu 14.04?

From issue: Is there a way to statically map MAC addresses to IP addresses for machines in MAAS? I need modify Node IP address from 192.168.1.19 to 192.168.1.21, try to add "host buildbot01 {...} " ...
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17 views

Huge packet loss on openwrt

I have a strange issue on mikrotik rb951-2hnd router. I firmwared it to openwrt a few years ago and everything worked fine. Just a few months ago I decided to update firmware. So I did it and ...
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11 views

my backtrack 5r3 gives no interface chipset and driver information as

airmon-ng Interface Chipset Driver airmon-ng start wlan0 Found 1 processes that could cause trouble. If airodump-ng, aireplay-ng or airtun-ng stops working after a short period of time, you ...
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27 views

How do I re-install WIFI 14.04 lts

I have a HP2000 laptop that I update the BIOS on a few days ago. N ow when I boot up it says it is an Ethernet connection and is intermittent. When I go into system settings - Network wireless is ...
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1answer
28 views

How to view hostname locally, works external

I have a webserver hooked, up I recently noticed that I can view the webserver htttp://music2share.ca from out side my network but when I try with in my network at home wont work, I edited the hosts ...
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1answer
19 views

Problem when installing intel i40e driver

i am running ubuntu 14.04 on virtualmachine. wifi wasn't working, instead it appears as a 'wired connection 1' and can't choose a different wifi network. I looked to see if i needed a driver because ...
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RTL8723BE wifi problem ubuntu 15.04

I've recently bought a Lenovo Thinkpad E440 laptop. Everything works fine except for the WiFi card. I've already installed the github driver and ran this command: echo "options rtl8723be fwlps=0" ...
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12 views

Networking disabled after resuming from suspend in 14.04 LTS

I've recently installed Ubuntu 14.04.2 LTS onto my MacBook Pro Mid-2014, which is now plagued with driver problems. Damn you Apple and restrictive marketing in general. One of my main annoyances is ...
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16 views

HTTP Request timeout on random pages

Please redirect me to the correct forum if needed. HTTP POST requests are getting timed out. GET requests are working fine. The problem is specific to few sites eg Quora, Lumosity, Paytm, AskUbuntu ...
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2answers
16 views

No wifi on HP Pavilion DV7 with Ubuntu 12,04

I recently updated to 14.04 but I found a whole lot of problems and decided to revert my changes with a clean install of 12.04. I didn't have any problems with the wifi before but now I can't seem to ...
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1answer
16 views

Forwarding all Internet Traffic over VPN (PPTP UFW)

I've set up a VPN using the guide here but what I cannot seem to get working is forwarding all my internet traffic over the VPN. I can connect and view the other machines on my network. I am using ...
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1answer
9 views

Setting up bridged networking with KVM

I'm trying to install KVM. I've done the installation and I'm now following the second part of the guide to get bridged networking to work. However, I'm stuck at the part where I need to modify the ...
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1answer
27 views

If I send an email to my own server, does it pass through ISP?

This may be a super newbie question, I have an email server running Postfix/Dovecat with SMTP for send and IMAP for receiving. I have two accounts--a@myserver.com and b@myserver.com. I want to send ...
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1answer
15 views

how to add ubuntu router's network to a wireless router to expand its network

I have configured an ubuntu server to become a outer with dhcp functionalities and I saw this post on connecting one router to another to expand its network. My ubuntu router is on a vmware and I was ...
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13 views

Can perform nslookup but cannot browse

Let me start from the beginning. I am a comcast customer and am using an xfinity router. I discovered that the router sits on ip 10.0.0.1 which seemed a little odd to me. My wifi card uses the ath9k ...
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18 views

Suddenly very slow Wireless Connection (Ubuntu 14.04) after one year without trouble

My Title says it all. This started just a couple days ago. Before this, I had not had any trouble during the last year of daily use. I began using 14.04 in summer 2014. I checked similar questions ...
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15 views

Connecting an android device to ubuntu router/server

I have made my ubuntu server into a router with dhcp functionalities inside vmware workstation. My LAN is 10.1.10.0. I can assign static addresses to any pc and connect them all to a switch for them ...
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13 views

Webmin Linux Firewall NAT and Packet Filtering

Can someone explain to me the difference between these two? Like in NAT and Packet Filtering there are rules for both incoming and outgoing packets. I do not really understand their differences. What ...
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1answer
19 views

Using the correct driver for my WiFi adapter?

I'm trying to install the PCE-N53 Asus wireless adapter on my machine. After following the instructions here and rebooting, I noticed that my machine is still using the "rt2860" driver: 05:00.0 ...
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13 views

Intel WLAN Card gets no internet connection with speedport router

I have installed a new Ubuntu 14.04.1 on my Laptop and can connect via WLAN without any problems to my fritzbox router (which supports 802.11n standard). With another router (Speedport W501V), which ...
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48 views

How to execute a custom script when Internet reconnects?

My Internet gets disconnected every now and then. I'd like to run a Bash script every time the Internet reconnects. The script is quite simple: #!/bin/bash mplayer /home/user/sound.mp3 It's placed ...
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1answer
30 views

firefox can't the server at start.unbuntu.com [on hold]

I just got a used laptop running unbuntu 14.1. Problem is trying to launch firefox which cannot seem to find the internet. I have a strong wifi connection but firefox tells me cannot find server ...
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18 views

How do I enable the PPTP addition dialogue when using a regular user in Debian Wheezie under Gnome Unity?

I just installed openvpn, pptp and vpnc. Under the user I am using, I am unable to create a PPTP connection as the dialogue is grayed out. Under the root user login, I can with no problems, however I ...
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7 views

What is the secret unicode key for maas when reconfiguring maas-cluster-controller

I have a Ubuntu 14.04 server with maas server. I had an issue with rabbitmq message broker and reinstalled it. But it accidentally deleted region-controller settings and when configured again it asked ...
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1answer
31 views

Ethernet Connection Not Work (Xubuntu 15.04)

I've been looking around and trying the answers in other places, but none of them have worked so far. I have an ethernet connection on an old laptop. I'm using Xubuntu 15.04. This ethernet connection ...
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33 views

How to view my web server public

I've had my web server up and running 4 years, I recently moved and now using bell modem, I forward my ports and can now see port 80 on canyouseeme. Before I got the port opened i think I might have ...
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1answer
30 views

Internet connection not working in Ubuntu 15.04

My internet connection is not working in Ubuntu 15.04 I kept the ethernet cable plugged-in during installation. Later when I started Ubuntu and tried to connect to internet using Firefox, I received ...
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15 views

Broadcast ubuntu router on network connections

I have configured my ubuntu server to become a router. It has a network of 10.1.10.0. How do I broadcast this network for devices to see it as a choice for a network connection?
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18 views

Ubuntu Trusty does not detect modem after installing WIFI PCI adapter

I've two internet connections at home: I've configured one to use with WIFI using a TP-link WIFI PCI adapter and it works fine. The second connection I want to use using LAN. I've tried everything ...
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14 views

Why one wifi network works with ubuntu and another doesn't?

For over half a year, I have been struggling with bad internet connection in my old home with ubuntu 14.04. Often the speed flucuates between 1 Mb/s to 108 Mb/s which results in normal internet ...
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1answer
15 views

ufw rule updates don't take effect

I decided to close some ports on my machine running Ubuntu 12.04 so I closed them via: sudo ufw deny <port num> I tried closing all ports, including port 80 to see if it would work but I'm ...
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1answer
19 views

Cannot Get VMWare workstation to run in Ubuntu 15.04

Hi all Below is a link to the pastebin that contains the tail of the error log produced by VMware Workstation 11. Questions related to this topic are for Specific versions previous versions of linux. ...
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1answer
13 views

connect: Network is unreachable - but connection is actually there

Lately my Dell XPS 15 does some strange things. It is connected to the internet as I can load all my sites just fine. Only thing is that I can not SSH to the outside of any network, neither can I ping ...
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1answer
18 views

Network is not working

I have update the new vrsion of ubuntu and my network doesn´t work not even the wirless button work anymore or with ethernet cable also. The version before worked properly can someone help me? :(
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29 views

Server at OVH (Ubuntu 14:010) work on SSH and HTTP ONLY from my cellphone(4g)

Hope you'Re all going good. So yeah this is alittle problem i have with the VPS i took at OVH. They say everything is fine in their end. But i managed to install nginx on the server and even then ...
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16 views

Setup router, iptables to access website via Domain Name in local network problem

I have a problem with iptables / bind9. Topology: My local PC: DNS set to: 88.220.77.193 VirtualBox with: ROUTER: eth0 : 88.220.77.193 255.255.255.0 to the Internet; eth1 : 192.168.100.254 ...
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19 views

Unable to connect to internet from iOS running in a VM

I basically followed this tutorial entirely to run Mac OS (iPC_OSx86_10.5.6) on Ubuntu 14.04 using qemu: http://nnucomputerwh...-with-qemu.html The only difference in execution was this: Ethernet ...
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13 views

How to change IP address of Horizon Dashboard

I have install Openstack on Ubuntu 14.04.02. I can check the status of openstack and its shows up. By default IP that has assigned for my Horizon dashboard is 10.0.4.117, but my network is running on ...