Managing and using network connectivity on a Ubuntu system

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Huawei 3G modem take forever to be detected on 14.04

I Have been trying to get a Huawei E156 3G modem on ubuntu 14.04 and haven't succeeded until right now. What I did to get it to work? Nothing. I connect the device and the green starts flashing. It is ...
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3answers
22 views

my wi-fi is connecting but the Internet is not working

till yesterday everything was fine. The Internet had been working correctly. Today, when I started ubuntu it connected successfully but I couldn't open any web page or do any Internet activity, ...
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1answer
4k views

Problems about the Drivers for Ralink RT3290 Wi-Fi Adapter

After upgrading to Ubuntu 13.10, Ralink RT3290 Wi-Fi Adapter in my laptop dosen't work. So I followed the guide in How do I get a Ralink RT3290 wireless card working? to compile the driver and load it ...
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0answers
8 views

Fix high network latency + traceroute problems

I've got this problem my Ubuntu server won't get up to the speed I'm paying my provider for (100 Mbp/s up and down). According to this thread I managed to do a speedtest, which resulted in the ...
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0answers
11 views

Boot-tasks are being executed twice after upgrade to 14.04

after a distribution upgrade from 12.04 LTS to 14.04 LTS I noted that the boot-process took longer than it should. I took a look at boot.log and saw that some boot-tasks have been executed twice. ...
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0answers
15 views

No network access until I ping the gateway

I have the weirdest of problems that I can't work out on ubuntu 14.04 LTS. When I start the machine I cannot access the internet and the machine's nginx server cannot be accessed. Running ifconfig ...
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0answers
6 views

dns-nameserver entries are ignored after 127.x.x.x

I'm trying to configure a static eth0 in a 1404 vps (lxc container). My interface config is auto eth0 iface eth0 inet static address 192.168.1.1 netmask 255.255.0.0 gateway 192.168.10.10 ...
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1answer
12 views

How to install Idea 3GNet Setter in Linux

I've bought an Idea 3G Net Setter and they have provided "Linux driver" and these are the installation details: 2 Driver installation 2.1 Launch command line By using “ALT+F2”, input” ...
0
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1answer
34 views

How can I change my IP address?

I want to change my IP address and port to some other values. My idea is to attain anonymity when I browse in the web. Currently I am on a network having static IPs for each system. I know there are ...
1
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1answer
30 views

Ubuntu 14.04 Server operated as a WIFI-LAN-Router drops packets between LAN and WIFI

I would like beeing able to exchange packets between WIFI and LAN. My Ubuntu 14.04 Server operated as a lan-wifi-router has two physical Ethernet Ports (p4p1 and p5p1) as well as a WIFI Module ...
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166 views

Network Manager Icon disappeared 14.04

So a couple of weeks ago my network manager icon stopped appearing; I still get automatically connected to my saved networks and the internet works fine, etc. If I go into System Settings and look at ...
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0answers
14 views

samba file server cant access my server

** (nautilus:2023): WARNING **: Couldn't connect to accessibility bus: Failed to connect to socket /tmp/dbus-cMdjqnMPNR: Connection refused (nautilus:2023): Gtk-WARNING **: Failed to register client: ...
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3answers
4k views

How to connect MTS MBlaze

i have installed ubuntu 11.04 inside the windows xp. i have MTS Mblaze USB Modem. (my service provider is MTS MBlaze,india) i want to use Mblaze into ubuntu so that i did the following steps for make ...
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0answers
9 views

problem entering my wifi password

I had to reset my chromebook laptop to it's factory settings,which wiped everything I had saved.Now it is asking me for ssid network name and password.Would that be the password I set up for my ...
0
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0answers
11 views

Not able to ping continuously Ubuntu 14.04 on lan

I am in a proxy server. Whenever I ping to any proxy, the ping works for few seconds then halts and again it starts pinging. This cycle continues. Same happens with internet access. Last time it ...
3
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1answer
134 views

Using Ubuntu 14.04 as router with iptables, clients can't go online. Probably DNS issue, iptables setting needed

CORRECTION 3: SOLVED! I needed to add the the official DNS server of my departement's VLAN as DNS to the clients. I've read through a large number of posts about iptables issues when using Linux as ...
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0answers
3 views

nis server doesn't export new users to client machines

After a server migration on a new machine, the new users which are created on the server are able to login in it, but not on client machines (which get user list from the server). For the users ...
0
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1answer
17 views

Ubuntu server detecting electricity outage?

I am in the planning stage for setting up my server and have some doubts. Firstly my network is something like this: One parent PC connected to the internet and 3 other child PCs which are not ...
0
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1answer
22 views

How to install WiFi driver?

I have a fairly new Gateway Tower. I couldn't play most games on it in Windows 7 so I suspected a glitch in the OS and installed Ubuntu alongside Windows 7. My WiFi still works on Windows, as that is ...
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6answers
3k views

How can an application (like Firefox) be forced to use a certain network interface?

I've two interfaces: eth0 and wlan0 on a notebook. Possible use cases: eth0 grants me Internet access, and wlan0 is currently connected to a router which does not have Internet-connectivity. For ...
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0answers
15 views

Both named and dnsmasq serving DNS on port 53?

Is this considered normal for Ubuntu 14.04 ? netstat -tulpn shows that both bind9 (named) and dnsmasq serve on port 53: Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address ...
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8answers
46k views

How do I set up an MTS MBlaze modem?

I have a new MTS MBlaze Broadband modem USB and it is not getting detected in my Ubuntu 10. 04. It is getting detected as an USB but not as MODEM as result I am not able to create a MOBILE BROADBAND ...
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0answers
46 views

No Internet access on Ubuntu-ubuntustudio 14.04 or Debian 7.6!

Well, here is my story. I have been using Ubuntu for 4-5 years now with a one-year break for Windows application compatibility reasons. Several days ago, I decided to try Debian. I had dual boot ...
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0answers
6 views

HP 3070a helds it's printing

I have a problem with HP 3070. It just holds printing and that's it. And I receive communication errors. After quite some time of searching on the internet, I have found some topic, which I hope can ...
0
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0answers
14 views

Ubuntu 14.04 - Issues connecting to Wifi with Asus USB-AC56

I recently installed the drivers for an Asus USB-AC56 WiFi adapter. I had success connecting using the instructions posted to How do I install an ASUS USB-AC56 WiFi adapter? I have since rebooted and ...
0
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0answers
13 views

How to configure 100Mbps network to laptop in ubuntu 14.04

Recently I have install ubuntu 14.04 in my laptop. at the time of installing I was connected to the my ethernet which is 100Mbps through the switch(Dlink which supports 10/100/1000 Mbps ethernet). ...
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1answer
2k views

how to delete blacklisted items from /etc/modprobe.d/blacklist.conf?

My wireless doesn't work with Ubuntu 12.04.(it worked with 10.04 LTS) I have a Dell Inspiron 1501. I followed the steps posted below: Run these: sudo apt-get install --reinstall bcmwl-kernel-source ...
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1answer
54 views

Wifi not working - Broadcom b4312

And i have tried almost all the solutions to get my wifi work . I have compaq laptop with broadcom b4312 wifi adapter. I have tried installing bcmwl-kernel-source and then b43 drivers. The result for ...
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0answers
12 views

Multiple internal servers hosted on one domain and one public ip

I'm aware of this question already, but this didn't help me yet and I may not ask more help on comments of other people. Situation 1 public ip and 1 domain, two physical internal servers. ...
2
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2answers
753 views

Wake-on-LAN works with Windows 8 but not with Ubuntu

I have a PC that has a Windows 8 partition and an Ubuntu 13.04 partition. I am trying to get wake-on-lan to work. Everything works fine on the Windows 8 partition: I can wake-on-lan from both the ...
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1answer
483 views

Can't connect to wireless 13.10

I have ubuntu installed as the sole OS on a T420. Before this I had installed the #! distro (and Xubuntu before that) and wireless worked seamlessly on either. My home hotspot shows up but when I ...
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0answers
16 views

All network connections close when laptop lid is closed 14.04

First of all, I'm not the most proficient beaver when it comes to linux in general but I catch on very fast. I'm using the x86 version of Ubuntu 14.04 LTS. I have a Toshiba Satellite L40-14F laptop, ...
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0answers
12 views

WiFi disconnects few seconds after boot in 14.04

So, basically every time I boot into Ubuntu I have to manually unplug my WiFi wireless adapter and plug it after few seconds. After that It works fine. This is info about my wireless adapter: ...
0
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1answer
350 views

How can i connect to wlan with my BCM4313 (14e4:4727)?

i am looking for help for getting my Broadcom Wlan card working on my laptop with Ubuntu. Until now i was not able to get it to work. Solutions i tried for now: 1. using the additional driver that ...
0
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0answers
15 views

Ubuntu 14.04.1 wired not working and frozen screen

I just installed Ubuntu (14.04.1) to my computer for the first time and I have several problems I can not connect to the internet with wired while I was looking to the internet for an answer to ...
0
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0answers
9 views

Samba share not letting me authenticate

I've set up a media server on my local network and I'd like to share a directory with the network. The directory path is /home/htpc/Media. I set up the network share like so. It all seems to be ...
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2answers
2k views

network interface (onboard wired) is showed p5p1 instead eth0

I've running Ubuntu 13.04 on my computer and it's ok. But some softwares like media servers don't work well. They search network interface eth0 and Ubuntu 13.04 named it p5p1. So my media server ...
0
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0answers
77 views

Ubuntu Server Running Behind ASUS Router Can't Reach Network (dhcp issue?)

Running a Ubuntu server through my home network, and it's also utilizing a dyndns, which I presume (yes, I'm 'tech dumb') is configured on the server. The settings were fine on various routers, until ...
0
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1answer
21 views

Quad Nics work ONE at a time

Quad nics are not working completely. But there is no error on syslog to trace what's going. lspci | grep Ethernet 05:04.0 Ethernet controller: Digital Equipment Corporation DECchip 21142/43 (rev ...
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0answers
22 views

Connecting to Wi-fi [on hold]

Ok. So I am absolutely new to Ubuntu and I have the 10.10 version installed because the other versions wouldn't boot on my computer and every time I tried to boot them it would say missing operating ...
-1
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0answers
25 views

ethernet stopped working on ubuntu 14.04, still works on windows

Everything was working fine on my Ubuntu 14.04 32 bit installation (on a Dell Vostro laptop) yesterday. I shut it down last night and since I powered it up this morning it is no longer handling the ...
0
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1answer
3k views

Android to 12.04 USB tether not working

I'm trying to USB tether an Android phone (SGS2 LTE) to 12.04 to use its Internet connection. Enabling "USB tethering" on the phone brings up a "wired connection 2" on the network connections menu. I ...
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3answers
27 views

Can ubuntu be used to print from school networked printers?

I have looked through some questions but haven't found any direct answers- I am considering a Chromebook because of the cheap price, but not being able to connect to my school's networked printers ...
0
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0answers
15 views

A simple guide to setup a PPTP network between a Windows and an Ubuntu through GUI network manager

I'm trying to setup a VPN connection between my Ubuntu computer and my friends' windows computers for gaming purposes. There are a lot of guides (such as this) that describe how to do it in ubuntu but ...
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0answers
18 views
+100

Open NAT too Xbox from Android via connection sharing

First I know there are similar questions that get closed as off topic but mine is slightly different. Xbox live complains about strict NAT setting when I use a Android tether and connection sharing ...
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2answers
1k views

Problems allowing outgoing multicast in ufw

I am having problems configuring the uncomplicated firewall (ufw) to allow outgoing multicast traffic. I am blocking all in and outgoing connections as the default policy. I have supplemented with the ...
0
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0answers
362 views

ZTE MF730M Usb Modem won't connect to the internet?

I am trying to connect to a 3G network using my ZTE MF730M modem. When I try to connect in Windows 8, it just asks for my PIN code and then it connects directly without problems. In ubuntu 12.04 ...
0
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1answer
40 views

Wifi has trouble randomly disconnects in ubuntu Lenovo IdeaPad Flex 15

I recently bought a Lenovo IdeaPad Flex 15 Touch Dual Mode 15.6” Notebook Intel Core i7-4500U and my wireless connection keeps disconnecting and the only way to reconnect it is to unplug my network ...
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0answers
42 views

Failed to download package files - new hardware support [duplicate]

I have software updates that the Update Manager downloads and installs just fine. But it also show a line that says "New hardware support is available" with a button to install. When pressing this ...
0
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1answer
55 views

Newbie to Ubuntu today w/Windows 7-64 bit dual boot system

I just downloaded and installed Ubuntu on HD side-by-side W/windows7 64-bit, transitioning to Ubuntu & rid of windows eventually. I know zip about Ubuntu, but all seems fine except for my WiFi ...