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

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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: "...
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4 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 ...
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1answer
20 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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9 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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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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1answer
28 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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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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16 views

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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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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57 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 ...
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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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4 views

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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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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20 views

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
47 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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2answers
48 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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16 views

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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1answer
96 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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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
73 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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1answer
40 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

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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1answer
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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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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36 views

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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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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10 views

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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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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27 views

Where to save .p12 Files?

I have many personal .p12 files everywhere in my home directory. I need them for my VPN Connections (with the network-manager-gnome). Is there a special folder for .p12 files in Linux, or do you ...
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39 views

Network-manager crashing and unresonposive 16.04 LTS

I have been experiencing problems with my ubuntu machine where network-manager seems to crash every 10-20 minutes or so. When this happens I appear to still be connected to the network; however, my ...
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26 views

How to write the driver parameter in /etc/hostapd.conf?

Here is my wireless net card info. hwinfo --netcard 21: PCI 200.0: 0282 WLAN controller Model: "Intel WiFi Link 5100 AGN" Vendor: pci 0x8086 "Intel Corporation" ...
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1answer
61 views

what does it mean to 'configure a network'?

I wanted to set up a home server for sharing data across a little home network for the several devices in our home (data like files, media, small stuff like that). I installed Ubuntu server on the ...
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47 views

Trouble debugging VPN/pptp connection

I'm trying to connect to a VPN from Ubuntu 14.04 (64bit) using nm-pptp-service. Have played with various configuration options but always get a "connection timed out" error. Managed to connect without ...
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66 views

Ubuntu 14.04 can't find my wireless network

I use Ubuntu 14.04 and I can't connect to the router (which is only 2m away). My smartphone (Android) has connection to it. When I switch to Windows 7 I have connection to my WiFi. When I type sudo ...
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1answer
27 views

16.04: Networking UX Inconsistent with WIFI state

HW: Bus 003 Device 002: ID 13b1:003f Linksys WUSB6300 802.11a/b/g/n/ac Wireless Adapter [Realtek RTL8812AU] Net: *-network description: Wireless interface physical id: 3 bus ...
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28 views

Trouble using Synology OpenVPN from network-manager

I've setup network-manager-openvpn and network-manager-openvpn-gnome no problem, popped in my OpenVPN info and cert, and it connects just fine. Running ip addr shows: 11: tun0: <POINTOPOINT,...
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Can't access nm-applet through Applications menu on 16.04

On 16.04 I can invoke the nm-applet GUI using Applications -> System Tools -> System Settings -> Network However, nothing happens when I use this shortcut Applications -> Other -> ...
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18 views

How do I restart network manager at logon automatically? [duplicate]

After fiddling around for a long time with a recently purchased USB WiFi adapter (a TP-LINK AC 600 Archer T2UH), I have finally got it working under Ubuntu (KDE neon User Edition 5.6), but only by ...
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23 views

nmcli edit connection not avaiable

Ubuntu version: 14.04 Network manager enabled. I am using SSH connection and I would like to edit a connection through nmcli connection edit, but it just no available. I checked all available ...
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18 views

No 'Network' in System Settings Ubuntu 14.04

I am currently using Ubuntu 14.04 as a single-boot OS on my laptop. When I go to System Settings -> and type Network, nothing appears as in there's no Network option there. When I use the command ...
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64 views

network connection indicator fails after suspend and resume on ubuntu 16.04 LTS

I recently upgraded to Ubuntu 16.04LTS. Network manager indicator on panel stop listing available connections after resuming from sleep. I tried restarting network manager, however not the right ...