NetworkManager is a set of co-operative tools that make networking simple and straightforward.

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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 ...
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1answer
17 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 ...
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8 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 ...
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13 views

Connected to Wi-Fi, but no internet access on ubuntu 14.04 [duplicate]

I'm using ubuntu 14.04. My wireless driver is RTL8723be. Laptop is connecting to the Wi-Fi, but I'm unable to access the internet. I'm new to the linux system. Somebody, Please help me
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1answer
28 views

Route IP range outside of VPN?

So I am somewhat more of a newb when it comes to routing IP ranges. My main problem is that I need to route a couple ranges outside of a VPN that I use. I've run into a few issues with this. I don't ...
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6 views

Wifi keep disconnected after 5-6 seconds of connection

I own a lenovo g570 with wifi adapter "Qualcomm Atheros AR9285 Wireless Network Adapter(PCI-Express)" I installed ubuntu 16.04 on it. It was connected to same wifi- router during installation and ...
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11 views

Ubuntu 16.04 wifi disconnects after 5 seconds [duplicate]

Just installed Ubuntu 16.04 and cant get to work with my wifi. No issues if i connect to my mobile via wifi hotspot but it throws a strange issue with our office wifi. I start ubuntu, connect to ...
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1answer
26 views

Ubuntu 16.04 LTS Wired/Ethernet Internet Timeout - Not working

I am connecting via Ethernet/Wired Internet and it is working fine too. However after few minutes the Internet does not work even connection was in connecting stage. I disconnected and again ...
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7answers
29k views

How to automatically connect to VPN with Network-Manager

I do have a working VPN connection. Now I want this VPN connection to automatically activate when I'm in a certain wireless network. Is there a non-intrusive graphical way using network-manager-applet?...
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15 views

Issues with laptop wireless

I am having an issue with my wireless. It works, but every time I try to switch networks, it says wireless device not ready. Then I use this command to restart it sudo /etc/init.d/network-manager ...
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24 views

Debian Server not receiving IP from DHCP [on hold]

I have configured a DHCP server on Windows Server 2012 which is connecting to my Debian server on virtualbox. They are connected on same line. I changed eth0 to receive IP address from a DHCP server ...
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3answers
75 views

WPA PEAP connection failure

I'm trying to connect my HP laptop from Kububtu 16.04 to a WPA PEAP WiFi connection. It either gets stuck on "configuring interface" or keeps repeatedly asking me for the password. Now, I have tried ...
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Ubuntu 14.04 - need ssh access on Ethernet to execute the commands and wifi access to send data

Ubuntu system has two interfaces - ETh0 & wlan0 ETh0 is conected to local test network through switch wifi is conected to Access point Eth0 got ip 172.18.201.100 wlan0 got ip 172.18.202.87 ...
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44 views

wlan0 prevents network to start up

EDIT: I forgot a bit about this post. I am on Linux Mint 17.3 for quite some time now, therefore this question is in no need of an answer any more. I have Ubuntu 14.04 LTS installed for about a ...
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1answer
38 views

Problem loading upwork team app

Unable to open upwork team ap [0714/013034:ERROR:browser_main_loop.cc(173)] Running without the SUID sandbox! See https://code.google.com/p/chromium/wiki/LinuxSUIDSandboxDevelopment for more ...
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15 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 ...
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4answers
57k views

How to restart WiFi connection?

I think I do not have problem with hardware. Sometimes the WiFi connection simply disconnects, apparently. So this is not necessarily the same as this case, I might not need to reload any modules. ...
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1answer
973 views

“error: the plugin does not support import capability” when attempting to import openvpn config file

Gnome network manager can't import any openvpn config file (.ovpn) after upgrade ubuntu to 16.04 version; I get the following error message when I try to import openvpn config file: The file 'file-...
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9 views

ISAKMP invalid with VPN connection

I need to create a VPN connection to office.sth.com In the end the var/log/sys/log reads: Jul 20 19:48:02 linux NetworkManager[3364]: <info> [1469036882.5641] audit: op="connection-...
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4answers
1k views

NetworkManager asks for password repeatedly [802.1x][16.04]

I recently updated form 15.10 to 16.04, I live on a campus, and we have to sign in for internet through 802.1x. I did everything same as I did it on 15.10, but I can't sign in on ubuntu 16.04. After i ...
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problem running broadcom 43142 wifi behind cyberoam firewall

My college uses cyberoam firewall. The Problem: Sometimes ,The wifi disconnects and tries to reconnect frequently and hence doesn't let me browse the internet. Other times, the wifi shows up but ...
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3answers
4k views

Can't connect to PPTP VPN, even though it used to work and I didn't change anything

I am pretty new to Ubuntu and Linux, so forgive me if this is obvious. I set up a PPTP VPN connection the other day. It worked perfectly fine, but one day to the other, it didn't anymore. I used it on ...
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3answers
14k views

Told command dpkg cannot be found

On issuing the command sudo dpkg -i (package name) at chronos@localhost ~ $, I get the response sudo: dpkg: command not found. Anyone know why? I'm trying to load version 3 of network-manager and ...
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19 views

No internet connection unless I run dhcient and restart network-manager

I am having problems with my internet connection on Ubuntu 12.04-16.04. Whenever I start the computer up, I get connected via my ethernet cable, but I cannot connect to any IP except my ISP's or my ...
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How can I make a vpn connection available through a wifi hotspot?

I have my linux laptop which is connected to my LAN on enp4s0f2 (wired), to a PPTP VPN connection on ppp0, and has a wifi hotspot created through Network Manager on wlp3s0. The laptop is running Gnome ...
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1answer
45 views

Wi-Fi problem with Ubuntu 16.04 on Lenovo G50—45

I clean installed Ubuntu 16.04 today. All seems to be working fine except Wi-Fi. The drop down menu shows no Wi-Fi connection option. I did a rfkill list - Wireless LAN Soft blocked: no Hard ...
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1answer
65k views

connect: Network is unreachable? - ping

When I attempt to ping google's dns or any outside the network I get connect: Network is unreachable? I can't update either which I put down to this I am new to networking... And Ubuntu. But these ...
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3answers
18k views

Set static IP Ubuntu 16.04

I am a new with Linux, having years experience with Windows servers/desktops and am having issues setting a static IP. I am using a method used for previous versions of Ubuntu, which doesn't seem to ...
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2answers
47 views

wifi networks still not available

I posted this question yesterday but no-one has come to my assistance. I really need to get the wifi networks working again on my Sony laptop. I have spent all day today trawling through ask ubuntu ...
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1answer
22 views

Connecting to WiFi immediately results in disconnection

I'm using Kubuntu 16.04 on a laptop, and I face a strange problem. I have an internal WiFi card as well as a USB WiFi dongle. I prefer to connect to WiFi using the dongle because the internal WiFi is ...
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1answer
94 views

Ubuntu 16.04 Wifi networks grayed out - Dell Latitude E5470

I have seen many posts about Wifi problems in various versions of Ubuntu but non of the responses seem to be applicable to me. This is the output of rfkill list: 0: hci0: Bluetooth Soft blocked: ...
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23 views

network managers on Ubuntu 14.04 and Ubuntu Mate 16.04 differ

I am building an ad hoc network to share data between a Dell lap-top running Ubuntu 14.04 and a Raspberry Pi 3 (RP) running Ubuntu Mate 16.04. Before the inclusion of the RP, two ordinary lap-tops ...
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Connected To Wifi But Symbol Showing Ethernet And Different Names Showing For Same Wifi Network

I have Hp 15-s005tx Laptop With Dual Booted Ubuntu 16.04 And windows 10. I have 2 problems I have wifi connected to a router but the names of the Network are more than 1. Example - "MyName" is SSID ...
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36 views

New Network Manager crash on Sony laptop

I installed the Ubuntu base update on my Sony laptop today (running Ubuntu 14.04 LTS) and I immediately lost the network manager function. This happened back in May and I was able to fix the problem ...
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1answer
72 views

Unstable wifi with intel 8260 [8086:24f3] (rev 3a) on ubuntu 16.04 runnung on Lenovo P50

On my brand new Lenovo P50 the wifi works unstable. sometimes it connects, sometimes not or just stops working. sometimes wifi networks are shown in the network manager, sometimes not. sometimes even ...
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4answers
6k views

Tata Photon Plus not working in Ubuntu 12.04 though configured and was running once upon a time.

I have installed Ubuntu 12.04 few months back. My modem, Tata Photon Plus got connected after a number of unsuccessful trials and I browsed the net successfully. But since a month, it is not getting ...
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15 views

Losing wired network connection once a week

Since upgrading to 16.04, my linux box at work, which runs day and night, loses connection to wired network occasionally, typically once per week. Usually when I am far away and try to connect... ...
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wifi - rtl8723ae - ubuntu 14.04 - issue with reconnection

I can't reconnect to some WiFi here are some info that could be useful: sudo lshw -C network -numeric *-network description: Ethernet interface produit: AR8161 Gigabit Ethernet [...
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33 views

Can not connect to mobile broadband even when modem is detected

I am using Ubuntu 14.04 LTS and when I connect the Linktop U100(CDMA2000 1X USB modem) the "New Mobile broadband connection" alongwith "Enable mobile broadband" appears in network drop-down menu but ...
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3answers
7k views

network-manager no longer starts automatically

First post here I think I have a 14.10 box that used to be a 14.04 box. It's a media centre. When it was a 14.04 box it booted up fine. Now though it doesn't. When it boots it pauses on "Waiting for ...
75
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7answers
49k views

Last upgrade crashes network manager (no internet connection, no applet)

While upgrading today, something caused my wireless network manager to disappear. Not even connecting via wired connection. This error is being shown by files: **(nm-applet:2716): WARNING **: Could ...
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38 views

Not getting internet connection

When I login, I am not getting an internet connection. Only after running network-manager restart internet connection is established. Any idea why this is happening? My etc/network/interfaces -...
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46 views

wifi disconnected after reboot, ubuntu 16.04

I installed Ubuntu 16.04 on Lenovo G580 and first time I connected WiFi but after reboot I have got this popup disconnected - you are now offline Network. $ lspci -k | grep Net -A2 02:00.0 Network ...
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10 views

Specifying DNS server query order for name resolution using Network Manager

I have two network interfaces in my computer, and each is hooked to a router or access point with a built-in DNS server. One of the devices is a WiFi-enabled SD card, but it serves as its own access ...
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31 views

Ethernet connection detected but not connecting to internet

I am using Ubuntu 16.04 LTS . I had completed reformatted and reinstalled Ubuntu 16.04 from scratch . The Ethernet connection is getting Detected as wired connection 1 however it is not connecting to ...
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Wireless network priority including a HotSpot

I have setup a HotSpot sharing my ethernet connection over Wi-Fi on my Ubuntu 16.04 laptop (for university, where the Wi-Fi is patchy at best). Now, regardless of whether the wired connection is ...
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17 views

Sharing WiFi configuration files over diffferent computers

I have several computers and I would like to be able to share configurations among them: for example, when one of them connects to a new WiFi and I return home, the others can get this new ...
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3answers
4k views

Connect to network before user login

As a learning experiment, I'm trying to turn Ubuntu Desktop into a server. I was able to disable X at boot time and now, I am trying to get my computer to connect to my WiFi network at boot time, ...
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11 views

How does MAC Address cloning works in Ubuntu from “Edit Connections”?

I found that cloning MAC Address works very well from "Edit connections" method than changing mac address with "ifconfig" command. sudo ifconfig wlan0 down sudo ifconfig wlan0 hw ether sudo ifconfig ...
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1answer
138 views

PPTP connects fine but fails shortly thereafter

I'm using 16.04 LTS amd64. My pptp connection used to be fine a few days ago but from yesterday on it malfunctions. It connects with no problem but shortly within 3 or 4 minutes drops the connections. ...