Managing and using network connectivity on a Ubuntu system

learn more… | top users | synonyms (1)

0
votes
0answers
3 views

Clicking an AP in network manager causes error “The access point was not in the scan list”

I have a room with pretty weak WiFi signal and my access point has a hidden name, but is correctly configured and saved in network manager. Sometimes when I lose connection, the AP still appears in ...
0
votes
1answer
18 views

Ubuntu 16 server edition 32bit: Can't ping internet, but can ping LAN

Ubuntu 16.04.1 LTS 32bit Server Edition Computer: Intel Pentium 4 /2.4Ghz 32bit WirelessNetwork Card: Realtek Chipset/ TPLINK wireless N PCI adapter I'm new to Linux and Ubuntu. I have been ...
0
votes
2answers
1k views

Realtek ethernet driver error ubuntu 16.04

I have recently upgraded from Ubuntu 15.10 to 16.04. when i was using 15.10 ethernet works flawlessly. But after upgrading to 16.04 it doesn't work anymore showing network cable unplugged. I tried ...
0
votes
0answers
12 views

WiFi Internet doesn't work after few mins

I ran lspci | grep -i net, you can see the output below. ~$ lspci | grep -i net 02:00.0 Network controller: Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter (rev 01) 03:00.0 Ethernet ...
125
votes
6answers
30k views

Best way to cache apt downloads on a LAN?

I have multiple Ubuntu machines at home and a pretty slow internet connection, and sometimes multiple machines need to be updated at once (especially during new Ubuntu releases.) Is there a way where ...
0
votes
0answers
8 views

No internet on Ubuntu 16.04, unless using an access-point on a 14.04 laptop or NAT network (on Virtualbox)

I've been testing Ubuntu 16.04 before upgrading from 14.04 and I found a weird issue with the network connection. If I connect directly to the router, the connection to the internet is very ...
0
votes
0answers
14 views

I need to properly install my college's lan settings on Ubuntu 16.04

I tried inputting my college's LAN settings. But as a result, internet is only working in Mozilla Firefox and other applications like HexChat are not connecting and also apps from android market are ...
0
votes
0answers
30 views

Connection through wireless adapter is lost every few minutes, need to re-connect

Background. Internet through wireless adapter worked fine on 14.04 LTS. Problems started after a fresh install of 16.04 LTS. Installed the driver r8188eu using these instructions. This solved the ...
0
votes
1answer
27 views

Recent patches broke dhclient?

Running 16.04.01 LTS recently upgraded from 15.10. System is a home firewall with enp1s0 as LAN interface statically assigned and enp2s0 is WAN interface using DHCP, connected to modem. Ran apt-get ...
0
votes
0answers
16 views

How do I enable wake on lan in ubuntu?

I already looked at How do I enable Wake on LAN with Ubuntu? and this does not answer my question. I have a Dell Inspiron 8300. This is what I get for querying the NIC with ethtool: sudo ethtool ...
22
votes
10answers
44k views

Why is the /etc/hosts file not working?

I have been having problems with this for a while and have tried everything I know, so I figured it was finally time to ask for some help. Any edit I make to /etc/hosts just doesn't work. Example: ...
0
votes
0answers
9 views

How to measure internet traffic usage per month? [duplicate]

I need a way to measure my internet usage per month in order to be able to select the optimal plan from my mobile network operator because I will need to work on the move connected to 4g network ...
1
vote
0answers
130 views

Wifi issuse, first time user

I finally built a PC of my own and I created a duel booting system (Windows 8 and Ubuntu). Windows 8 works flawlessly but Ubuntu is the most infuriating thing I've ever dealt with. I can't access the ...
0
votes
0answers
12 views

Establish a DSL connection using “pppoeconf” failed

I want to establish an DSL connection to a new server, which is of OS: Ubuntu 14.04 Desktop. When I want to configure the network connection using "sudo pppoeconf", I got the following message: "...
0
votes
1answer
15 views

maas fails in deploying a node

I have a physical server with ubunut 14.04 and maas 1.8.2 on it with access to Internet. There is a node connected to maas server through a switch. Common configurations for maas's NICs has been taken ...
0
votes
0answers
5 views

Atheros AR9285 won't connect to WPA2

weird issue I've been running into and been researching and kind of come up with zilch. So basically using a cheap netbook I got from Aldi i got a few years ago, I loaded Lubuntu 16.04, which needed a ...
26
votes
2answers
58k views

How to use host names rather than ip addresses on home network?

I've a small home network up and running and managed to set up ssh. Can anyone tell me what I need to do to refer to one computer on the network from another by host name rather than IP address (which ...
7
votes
1answer
1k views

How do I use MAAS and Juju with an existing DHCP server?

I found some information about installing ubuntu with MaaS and JuJu, and I would like to try it out however I am not finding any information on how to take in to account a DHCP server already in the ...
1
vote
0answers
19 views

static mapping between ipv6 address and MAC (equivalent to static arp in ipv4) [on hold]

I want to define in static mapping between ipv6 address and MAC address.(something similar to static arp in ipv4). (i need to do this because my ubuntu machine is connected by lan to interface that ...
0
votes
1answer
15 views

How to install TP-LINK Archer T4U driver?

I bought the wireless adapter to use with a computer without internet access but I can't figure out how to install it with just a USB with the driver on it. I've read a few articles on how to install ...
5
votes
6answers
7k views

OpenVPN connecting but no internet access on Ubuntu 14.04

I'm trying to connect to a VPN using OpenVPN. I tried using network-manager with OpenVPN plugin and tried too in terminal with ovpn.conf file. Everything connects (it says connection established) in ...
0
votes
1answer
22 views

must to do modprob -v rtl8188ee every time i start linux

Good afternoon, I'm having a wi-fi problem: my wi-fi signal was poor so I tried to install ndiwrapper to install windows drivers. It did not work so I purged ndiswrapper after uninstall the windows ...
1
vote
4answers
9k views

can't access SAMBA shares on UBUNTU-server from other computers

Installed UBUNTU-server 12.04 and configured /etc/samba/smb.conf as: #======================= Global Settings ======================= [global] workgroup = HEMMA server string = %h server (Samba, ...
0
votes
0answers
29 views

WiFi not working after latest Ubuntu software update

I have a Dell laptop running Ubuntu 14.04 LTS I purchased it new about a month ago. This morning I got a popup about a Software Update available, so I updated, and now the wifi is not working at all. ...
0
votes
0answers
14 views

Problem with Coovachilli and Routing

I have network like this: My Net Diagram I wanna deploy captive portal on my private VLANs. The local ip address of Ubuntu server is 192.168.100.1 on eth1 and ip address of L3 switch gateway is ...
3
votes
3answers
7k views

Unable to connect to internet on hyper v Ubuntu 14.04

I have set up Ubuntu 14.04 on hyper-v in Windows 8.1. I also have an external network switch linked to Ethernet. The internet and LAN works fine on my host windows 8.1 PC. But I am not able to use ...
0
votes
0answers
11 views

RTL8187L Wireless Adapter Problem , Internet Doesn't Work on Ubuntu 14.04

I had Ubuntu 14.04 And i have Recently bought ALPHA Wifi (AWUS036H) network Adapter Here's the problem Firstly i don't have a setup file for my ubuntu and i don't know how to install it secondly : ...
0
votes
0answers
18 views

I can't see Wifi networks. I have realtek wireless card, model: RTL8723BE

I have tried reinstalling rtlwifi-new-dkms Wifi problems with rtl8723be in Ubuntu 14.04 But I still can't see the available WiFi networks: No WiFi networks appearing
3
votes
1answer
8k views

How do I get the ath9k driver of backports-3.12-8 installed on Xubuntu 13.10?

I downloaded the 3.12-8 kernel files linux-headers-all.deb, linux-headers-generic_i368.deb; linux-image-generic_i386.deb from kernel.org and installed them via: dpkg -i *.deb Now I'm trying to ...
0
votes
0answers
10 views

Wired connection - recconecting

I'm using Ubuntu 16.04. To the internet I'm connected with adapter RJ45 => USB-C. Sometimes I just lose connection and it automatically reconnects me to the WiFi (if enabled). When I re-plug USB-C it ...
0
votes
0answers
4 views

Apache2 LAN configuration not working

I'm trying to set up a virtualhost in Apache2 on my Ubuntu 14.04 headless server. I would like to view the new sites index page and the default apache index page from the browser on my iPad. The new ...
0
votes
1answer
20 views

Asking remotely a computer to wake another via WOL [on hold]

I understand Wake on Lan can not work if you're trying to wake a computer from outside the network. Currently, on a very far observatory, there's this computer (let's call it "server") shutting off ...
0
votes
0answers
4 views

Node in MAAS FAILED_COMMISSIONING

I am trying to add a node to the maas cluster. Maas controller is able to wake the node and start commissioning. But it fails at the end and shows the error FAILED_COMMISSIONING. Here is the log from /...
0
votes
0answers
16 views

WiFi not working after a recent update [duplicate]

I have an asus laptop and i'm runnning Ubuntu 15.10 alongside Windows 10 . A few days ago an update pop-ed up which required me to restart the system . After i restarted it my wifi was not working (it ...
0
votes
0answers
61 views
+150

no web page can be opened when wifi ap created and connected by android phone

I want to create a WiFi Access Point (AP) with hostapd and dnsmasq on my USB wireless network adapter--9271 Atheros using the Internet connected to my router through my eth0 adapter. lsusb Bus 003 ...
10
votes
1answer
29k views

Installing the driver for TP-LINK TL-WN727N on Ubuntu 14.04

I am new to Ubuntu and I have problems with my Ubuntu 14.04. I plugged my wifi adapter but it did not work so I guess I need to install the driver manually but I don't know how to do it. I currently ...
1
vote
0answers
2 views

Ubuntu Server DC with Samba server 4.4.5 forwarder question

So I've decided to set up a DC via Samba 4 @ my 16.04 Ubuntu server . Question is - since my domain name is SAME as a hosted website domain name somwhere in the WWW (let's call it askubuntu.com) and ...
0
votes
0answers
8 views

Ethernet not detected

I have Lenovo Ideapad Y700. Even though i have connected my ethernet. In my network menu Wired connections does not appear. Also I have a dual boot.So whenever i switch from ubuntu to windows. even ...
1
vote
1answer
365 views

extreme slow wifi on ubuntu 16.04

I have a brand new hp stream 11-r001nd, and I installed ubuntu 16.04 on it since I'm very satisfied with ubuntu (14.04) on my desktop pc. Everything works perfectly out of the box, except for my ...
0
votes
0answers
21 views

My wireless (BCM43142) won't work

14.04 was getting along with the wireless card until today and I tried many things to fix it but got myself into a mess where I felt reinstalling completely was the best option. I installed 16.04 ...
0
votes
2answers
5k views

Installing new network driver ubuntu server 14.10

Ok first of all I was trying to connect my server to my router and set up my apache2 server so my server could be viewable online. But in my attempts to connect, I found that I have no eth0 ...
2
votes
2answers
34k views

How to install and configure a TFTP server on 14.04

I've been trying to build a TFTP server on a fresh Ubuntu 14.04 build for a number of weeks using articles that I've found on-line, but all my attempts seem to fail as the TFTP server that I've ...
0
votes
1answer
18 views

One network adapter is responding for all the others

All network traffic to 192.168.1.66 & 192.168.1.53, is going to the enp3s0. The only way to have each adapter independent is to put them on different subnets.(e.g. 192.168.2.20, 192.168.1.20) ...
0
votes
0answers
9 views

How can I fix the error below with Huawei E303 Modem not showing in /dev/tty list?

I get this error when I use this command: dmesg | grep tty [ 0.000000] console [tty0] enabled [ 20.203778] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB0 [ 20.203933] usb 1-1: ...
0
votes
1answer
21 views

How to configure GSM modem network type (EDGE/UMTS/Auto/etc) since Ubuntu 16.04?

I use USB Modem (Mobile Broadband) to connect to the internet. Prior to Ubuntu 16.04, there used to be a connection setting where you can set a Network-Type (aka gsm.network-type property) through ...
5
votes
1answer
3k views

How do I get the linksys WUSB6300 wireless adapter to work on linux

I've been using the Linksys USB6300 Adapter but when I switched to Ubuntu it stopped working since its only compatible with Windows. I've tried using ndiswrapper and although it says my windows driver ...
0
votes
0answers
10 views

Realtek RTL8188CU network adaptor crashing Network-Manager

This has only ever been a problem for Linux, but not windows which works completely fine. When booting into Ubuntu, and now Linux Mint, everything is fine and my connection strength is more than ...
0
votes
1answer
5k views

Chipset unkown - airmon-ng

root@ubuntu:~# airmon-ng Interface Chipset Driver mon0 Unknown iwlwifi - [phy0] mon1 Unknown iwlwifi - [phy0] mon2 Unknown iwlwifi - [phy0] wlan0 Unknown ...
21
votes
3answers
140k views

Command to get the hostname of remote server using IP address

I want to get the hostname of a remote server using the IP address using my Ubuntu. In Windows we can get using NBTSTAT but this doesn't work in Linux. Does anyone know how to do that?
0
votes
0answers
44 views

Can't connect to a specific wi-fi network

There are two wi-fi networks that I usually connect to, Network_A and Network_B. I can connect to Network_B without any problems. I had been able to connect to Network_A without a problem for over a ...