Managing and using network connectivity on a Ubuntu system

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/etc/network/interfaces suddendly stopped working

I'm experimenting problems with my ubuntu server 14.04 version. I'm only using this computer to access data from outside my home, it was working just fine but yesterday it refused to connect to ...
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1answer
46 views

Rogers or Rogered? [closed]

I have recently switched to Rogers internet. I can connect to my wireless router, but it can not connect to the internet. I have searched for answers, but came up short. (Windows connected fine, ...
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3answers
105 views

Nslookup resolves search domain but ping does not (14.10) [duplicate]

At my company, many of our configuration scripts, etc use just the server name. For example, http://server rather than http://server.company.com. I have configured the search domain in the GUI Network ...
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25 views

Cannot connect to VPN Ubuntu 14.04 [duplicate]

I have installed vnpc and network-manager-gnome and have created a new vpn connection for my workplace with credentials I know are working for others. When I try and connect, I get an instant 'VPN ...
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2answers
106 views

USB tethering from Android speed limited

I am installing Ubuntu 14.10 on workstation. Since i have not wifi card, i am using my huawei mate to usb tethering. The phone is Android kitkat 4.4.2 Network-Manager set up connection correctly, ...
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1answer
95 views

How to permanently remove unused/unwanted access points appear in the network menu item Ubuntu 14.04

As shown in the image below, all the access points above the connected network are unused. I want to remove this unused entries from the menu indicator. And I have already tried the solution ...
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1answer
51 views

Ubuntu 14.04 does not detect my wireless network

So I've been using Ubuntu and I find one problem everyday, that is Ubuntu never detects my WiFi network whenever I switch it on. I need to either reboot my router / laptop to get it connected. The ...
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0answers
78 views

Internet Problems (wired) Ubuntu 14.04 No internet access

Newly installed system, I have no internet access. Have Ethernet plugged in and a popup saying disconnected keeps coming up. I assumed it would use DHCP and get everything automatically. The Internet ...
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0answers
32 views

How do I connect to a network path in Ubuntu?

So like the title says, I need to connect to a network path in Ubuntu. I need to be able to monitor the files in this directory (I'm planning on using a Perl script to integrate with our Nagios ...
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1answer
48 views

Network connections appear unclaimed after purging linux-images

Yesterday I was having problems with Lubuntu 14.04 updates machine I had to follow this check-marked answer Not enough free disk space when upgrading The answer worked well but Today when I turned ...
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3answers
33 views

External Sitecom Wi-Fi antenna fails to connect to network

I let the external Sitecom Wi-Fi antenna to works, since the Ubuntu setup. So the connection has worked properly for many days... until it began to fails, despite all Wi-Fi networks are recognized. ...
0
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1answer
20 views

IPv4 is not getting configured on Ubuntu in a dualstack (IPv4/IPv6) network

I set up a router with IPv6 capabilities (I replaced the firmware with OpenWRT) as my main router and successfully configured DHCP including static leases. Almost everything works fine, all IPv6 ...
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0answers
90 views

Broadcom BCM43142 not working on Ubuntu 14.04 [closed]

I installed Broadcom BCM43142 using all methods I could find using Google and AskUbuntu, but they were all unsuccessful. I am running on Ubuntu 14.04.
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0answers
49 views

Wifi detecting but not connecting

I just installed Ubuntu 14.04 LTS. I am able to see the wifi but not able to connect to it. It keeps asking for my password again and again. I am able to connect to my phones hotspot and and other ...
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0answers
21 views

Chrome refusing to reconnect to open website after changing network connection type

Using Google Chrome 40 on Xubuntu 14.10, I sometimes switch my network connection from wireless to ethernet (or vice versa) while I have some tabs with websites open. After this, I cannot seem to ...
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3answers
65 views

Ubuntu / Apache2: I cannot open port 443 [duplicate]

I am trying to install a SSL certificat on my Ubuntu 14 server (using apache 2). For some reason the port 443 appears to be closed I installed and enable ssl /etc/apache2/ports.conf is as ...
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0answers
35 views

How does the Linux bridge works when a tap interface is connected

Assume the following scenario: brctl addbr BR0 tunctl -t tap0 brctl addif BRO tap0 brctl addif BRO eth13 ifconfig eth13 promisc up ifconfig tap0 promisc up ifconfig BR0 up Eth13 is connected ...
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2answers
42 views

Issues with my wifi after installing ubuntu 14.04

Good day. I am a new linux user and after installing ubuntu trusty tahr I couldn't use my wifi anymore. I issued the command lspci -vnn | grep Network here is the output: 06:00.0 Network controller ...
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1answer
9 views

Why do 10Ge intefaces show up a p55p1 and p55p2

I just installed to 10GE nics into servers running 14.04 and 14.10 and the interface names show up as p55p1 and p55p2. Why is that ? When I added 10GE nics to 12.04 boxes the nics just came up as eth2 ...
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0answers
49 views

Windows local network access to apache virtual hosts on a ubuntu DNS domain

I have set up a Ubuntu Server machine (14.04) with LAMP, and I have set up a static domain name with bind9 at http://webserv.dev. That domain is showing up when I try to access it from a Windows ...
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1answer
94 views

How do I configure the search domain correctly (14.10)?

I recently installed Ubuntu GNOME on my work computer, replacing Windows 7, because I will be doing a lot of Linux development work. Many of our configuration and development scripts use shortened ...
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0answers
5 views

keypad issue when i use terminal.most of the keys dont work properly

how to change keypad settings? when i write c programs in terminal most of the key don't work properly.i am using English US keyboard format only.
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0answers
24 views

Ubuntu 14.04 LTS wlan limit

months ago I was tried the Ubuntu 14.04 LTS in my LG A530 and have some problems with wlan speed. Now I'm here for try to solve this problem. In Windows 8.1 partition, my wlan get the maximum speed ...
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0answers
15 views

modifying wireless network driver by adding data structure to it

I barely have any knowledge about writing a device driver. But now I am starting to work on a project which requires modification to the wireless network driver. I am actually using the Intel Wifi ...
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1answer
26 views

Installing IPcop with an established Ubuntu installation

I have installed IPcop as instructed from a CD made from their iso. The installation goes on a separate hard drive. When I boot my machine, IPcop comes up and loads then gives me a command line. How ...
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53 views

Unable to ping through vxlan tunnel in Open vSwitch.

I am unable to ping through a vxlan link in Open vSwitch (OVS) when the frame size is too big. It seems ovs doesn’t fragment big frames when sending then through the vxlan tunnel. Pinging worked in ...
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23 views

How computer installed ubuntu 14.04 share 3G network through Huawei Media Pad Youth 7 connect via usb cable

As mentioned in the title, how computer installed ubuntu 14.04 share 3G network through Huawei Media Pad Youth 7 shared connect via usb cable? I've been searching some tutorial on google, but I can't ...
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0answers
33 views

pacemaker on ubuntu 14.04.1 LTS trusty

I have installed heartbeat and pacemaker on ubuntu 14.04.1 LTS. I have used the following conf for heartbeat root@ser1:~# cat /etc/ha.d/ha.cf autojoin none bcast eth1 warntime 3 deadtime 6 initdead ...
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0answers
41 views

how to setup a wireless connection? [closed]

I have a Wireless USB adapter (Evo wingle). Now let me know how to set up an internet connection at my Linux OS (Ubuntu 10.10). I tried to setup connection, but failed every time as I don't know: ...
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35 views

eth0/wlan0 bridged, no connection without loopback

Ok bear with me because I'm fairly new to this ;) I just installed ubuntu 14.04 and my network interfaces seem to be bridged....wlan0 is being assigned the mac of eth0, also I have normal ...
0
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1answer
13 views

What makes an analog modem pickup an inbound call

I have a series of Modems connected to Ubuntu 12.04 3.2.0-23-generic-pae via a PCI-E card and the system recognizes them as ttyS0, ttyS4, ttyS5, ttyS7 No matter what the serial connection is, ttys4, ...
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2answers
30 views

Can wireless credential information be save with a guest user account

What I have are laptops that have a customized user account and can auto-login and auto-launch Firefox browser. So the next step is I want to do is to lock down this user account. However, if I do ...
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21 views

How many rules can iptable handle in different machin?

I am trying to design a traffic shaping scenario . I am using iptables to create filters but i must create 80,000 rules. I want to know , how many rules iptables can handle ? I read different articles ...
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2answers
46 views

Ubuntu Server not using proxy settings

i am using the ubuntu server package (terminal only) and i am struggling to get the proxy server working. there is no username/password for the proxy. When i am trying to do sudo apt-get update i ...
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0answers
22 views

Network Printer password remember

I have my computer to connected to the university network, and I added the library printer to Ubuntu so I can send file to printing. Every time I try to print a document, it asks me to write the ...
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0answers
26 views

Internet freeze while synchonizing repository

I'm having a problem with my Internet connection. When I start synchronising a repository on Github it usually stops at 30 - 40 % and starts showing this error: fatal: unable to connect to ...
6
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1answer
384 views

Transmission daemon over OpenVPN on a BeagleBoard ARM SBC

I have recently acquired a BeagleBone Black, onto which I've installed Ubuntu using this method. It has all worked so far. I want to use my BeagleBone as a torrent box, but I don't want to do it ...
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0answers
34 views

Firewall Config to get access to ports via eth0

My headless ubuntu Server has an OpenVPN client that connects to a gateway provided by PIA. I gathered some settings provided here to basically setup kill switch I have a domain that redirects to ...
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1answer
34 views

How to access MySQL on Ubuntu from Windows SQL server 2008?

I have created a virtual machine running Ubuntu 14.04 system and I have installed the web application Moodle (platform interactive e-learning). Also I have created another Virtual machine running ...
0
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1answer
29 views

FTP and WWW services don't acknowledge connections

I have Lubuntu 14.04 LTS with vsftpd and the lamp stack (apache2, etc.) installed. Everything works fine on the LAN. Externally, the services don't acknowledge connection attempts. I can see packets ...
0
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2answers
196 views

Intel Dual Band Wireless 7265 dropping connection

I am running Ubuntu 14.04.01 LTS on an Acer V Nitro laptop which has an Intel Dual Band Wireless 7265 controller. The driver version is 3.13.0-45-generic with firmware 22.24.8.0. The connection is ...
2
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1answer
27 views

Making ubuntu a WINS server?

The scenario: We have a Ubuntu 14.4. And we are creating windows mobile 6 ce based solution. The solution pulls and uploads files to folders from the mobile device to the server (whih is ubuntu). We ...
0
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1answer
38 views

NTP over a local network

I have one server: 192.168.0.40 and 4 clients: 192.168.0.61-192.168.0.64. The clients are Raspberry Pis and so have no real time clock. Therefore the time is always wrong. I have followed ...
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0answers
21 views

How can I connect bond connection?

I have created a bond connection config. See picture. But how can I connect it?
0
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1answer
27 views

How to force particular protocol through particular connection?

I'm not good with networking and maybe I'm using a wrong wording but I cannot find an answer. I'm using Ubuntu Desktop and I'd like to receive my ssh traffic via one of my connections and all ther ...
0
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0answers
19 views

Ethernet not detected during installation of Ubuntu-10.04.2-server-amd64

When I tried installing "Ubuntu Interprize cloud" version on a Dell Optiplex 9020 desktop with "Ubuntu-10.04.2-server-amd64.iso". The installation does not detect the Ethernet in-spite-of LED blinking ...
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1answer
40 views

Setting up 6in4 tunnel

I'm trying to setup a 6in4 tunnel on my Ubuntu web server that is running on Amazon EC3. I've added the required text into the /etc/network/interfaces file # IPv6 Tunnel interface auto he-ipv6 iface ...
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0answers
65 views

No Internet Connection although wifi connected ubuntu 14

I just installed 14.04 on my two Asus netbooks(same model which is weird). One works perfectly. The other one connects to my WiFi but doesn't connect to the internet. The only workaround I found out ...
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0answers
20 views

Network Manager do not pick up Vodacom Mobile Broadband after I swapped Ubuntu for Xubuntu

So I installed Xubuntu Desktop Environment a week ago, and everything worked great. Xubuntu was fully updated, and working afterwards, 2 days ago. Last night I read at 'Easy Linux tips project' on ...
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0answers
102 views

BT home hub 5: WiFi connects and disconnects on Ubuntu

BT home hub 5: WiFi connects and disconnects on Ubuntu I installed Ubuntu in dual-boot mode with Windows 7. When I log in Ubuntu and select my home WiFi network. I am able to connect but after few ...