Managing and using network connectivity on a Ubuntu system

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27 views

Wireless LAN Hard blocked: yes

It has been more than a year my old friend Toshiba Satellite A500 cannot connect to WiFi. Long before WiFi was working both on dual boot, Ubuntu 15.04 and Windows 7 but something happened one day and ...
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19 views

Unstable internet connection

I have the Intel 7260 (rev 73) and I am running xubuntu 16.04 Sometimes my wifi stops working out of nowhere ("Device not ready" it says in the xfce wifi applet). I need to reboot my laptop to ...
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1answer
23 views

motherboard pcie slot help [on hold]

How can ubuntu tell me what pcie slot I have on my motherboard?
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1answer
20 views

SSH: Set timeout for broken pipe

ssh has the paramater -o ConnectTimeout=10 to set the timeout in seconds when establishing the connection, but once the connection has been established, the parameter has no more effect. When an ...
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1answer
37 views

Local network works but not the internet

I am at work and the Internet works fine on my laptop but then it suddenly stopped working and still does not work. I can get Local Net. No idea why this issue has happened. I do recall an update that ...
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1answer
34 views

WiFi for HP 17-y020ca under Ubuntu 16.04 always either disabled or “not ready”

I recently purchased an HP Notebook 17-y020ca and installed XUbuntu 16.04. This notebook has a Broadcom Corporation BCM43142 wireless card. This wireless card was not originally detected (but the ...
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20 views

Upgraded from Ubuntu 15.10 to 16.04 and networking not working

I just upgraded from 15.10 to 16.04 on a HP Stream Notebook with very little configuration changes from the default installation. Wifi was working before and Ethernet was working before the upgrade (...
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1answer
30 views

Wireless Driver (QCA6174) Not Working after Update [on hold]

I sheepishly clicked the "Ubuntu Has Updates" box, and upon restarting my computer, wireless doesn't seem to be working anymore. I have a Killer Wireless 1535 Card that was running just fine on ...
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14 views

Network is unreachable after KernelBuild in Parallels Desktop Ubuntu

I'm a linux newbie and sorry for my bad English and lack of Linux background knowledge. Recently I've been working on Linux KernelBuild on my Parallels Desktop Ubuntu environment (Ubuntu 15.10) ...
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26 views

No wifi after restart in Ubuntu 16.04

After upgrading to 16.04, there is no wifi whenever I restart the system. My Wireless interface of Ubuntu is RT3290 Wireless 802.11n 1T/1R PCIe on iwconfig I got the following lo no ...
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36 views

nmap scan on Ubuntu results in odd result

1. I ran an nmap scan on my system and this was the out put. hobbit@hobbit-OptiPlex-GX520:~$ nmap -v sU sT 127.0.0.1 Starting Nmap 7.01 ( https://nmap.org ) at 2016-06-25 20:08 IST Initiating Ping ...
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20 views

Unable to “Enable WiFi” on an HP Aspire XUbuntu 16.04

I recently purchased an HP Notebook 17-y020ca and installed Ubuntu 16.04. Having overcome some WiFi driver issues, I am now stuck in the final step of enabling the WiFi. This notebook has a Broadcom ...
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11 views

Can't change ip range pool OpenVPN Server

i'am new linux user. i have configure openvpn server, but i still don't know how to change ip range pool for client (by default 10.8.0.0)? i want to use 172.30.1.254 as my openvpn server and give 172....
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0answers
24 views

Ubuntu as Router / Bridge problems

I wanted to operate an Ubuntu16.04 as a Gateway for incoming VPN via fastd/batman and outgoing traffic to be redirected over an airvpn-tunnel (and later some more complex routing settings involving ...
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18 views

Ubuntu networking not working after driver reset

Sometimes my desktop will be unable to reconnect to wifi after losing my connection. I am using Ubuntu 14.04LTS. I have found I can recreate this problem by running sudo modprobe -r rtl8187 &&...
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1answer
18 views

Remotely log into multiple computers and run a python script

I am currently trying to set up network rendering with Blender using computers on different networks. I made a script that launches blender and connects to the host's computer. My problem is that I ...
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0answers
17 views

OpenVPN network asks for password

I setup a vpn connection under user_A and it works just fine (I used network-manager-openvpn-gnome to setup this connection). Now I added another user into my system (Ubuntu 16.04) -- user_B. I ...
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16 views

Upgraded to 16.04 — now have Flaky HTTP Connections

I have a laptop - Clevo W670RZQ - i7-6700HQ 2.60GHz Processor, Intel HM170, Dual Band Wireless -AC 3165 and Bluetooth Module, IEEE 802.11a/b/g/n, 433 Mbps, M.2 2230. Before, on 15.10, the laptop was ...
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21 views

Bluetooth on Ubuntu 14.04 works inconsistently

I have a lenovo T60. It seemed bluetooth would only work in certain kernels on certain days and sometimes it would not at all. In system settings, The Bluetooth is disabled by default and I cannot ...
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16 views

gvfsd-smb-browse is connecting to internet

Since some days I am watching that gvfsd-smb-browse is connecting to the internet. I don't know why... I don't have samba installed... I don't know much about gvfsd-smb-browse ... So, guys is it ...
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0answers
18 views

usb keyboard and network stooped working

I have an old pc running Ubuntu server 14.04 lts, it is used purely to run plex media server, yesterday i noticed an update was out for plex media server, so my routine is to login to my server using ...
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27 views

linux wifi work only if reboot with “sudo reboot” after restarting “/etc/init.d/networking”

I have dual boot Ubuntu 16.04 LTS with Windows 10 on a Dell computer. After we got a new router, it did not detect any wireless network. Networking was on but it said ‘no network devices available‘. (...
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33 views

No WiFi networks available - novice Ubuntu user

Recently installed 16.04 on my HP laptop; no WiFi networks showing up under network manager on the dashboard. I've tried installing new drivers but still no luck. The situation is aggravated by the ...
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18 views

Lease on wlan0 renews every 15 seconds

Wireless performance is poor--a recent development. The following output repeats every 15 seconds in the syslog file: Jun 25 10:41:00 Bullwinkle dhclient: PRC: Renewing lease on wlan0. Jun 25 10:41:...
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19 views

RPi WIFI Dongle 0e8d:761b MediaTek Inc. problem with drivers

I bought USB Dongle WiFi from Ebay and I have problem with drivers. I get CD with this device but I don't know how to install it. On screen shot you can see what CD include. When I put lsusb I am ...
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0answers
10 views

Storing of proxies according to the network being accessed [on hold]

Our smartphones have the ability to store proxy settings for a particular network so that these settings don't have to be changed every time we change the network, then why does Ubuntu desktop not ...
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0answers
26 views

Certain domains (almost) not reachable

I have a weird problem. My internet connection works fine except for some domains. Two that I found so far: mendeley.com 9gag.com For some reason, their websites do not work in normal Firefox, but ...
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21 views

What does it mean “unmanaged device”?

My network devices seem to be "unmanaged", or perhaps "managed outside the network manager". I assume this because of syslog messages like Jun 25 18:42:13 lati NetworkManager[811]: <info> (eth2)...
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1answer
34 views

How to connect to a cable Internet service automatically in Ubuntu?

I want to connect to my cable ISP in India automatically. The ISP requires to open a browser page, then open the bookmarked page of their service, provide username and password and keep that page ...
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1answer
34 views

Wlan can see networks but can't connect to any

I'm aware this has been asked before, but nothing in those replies helped me. I'm using Lubuntu and up to a couple of hours ago everything worked fine (i.e. wifi was up an running). A weird problem ...
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1answer
42 views

How to permanently mount a network folder?

I have followed the wiki on this topic and applied this solution to fix the hang on shutdown and referred to a few other posts on here but can't get a Synology folder (Windows share) to mount on boot ...
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13 views

NetworkManager fails to set IPv6 default route

In my syslog my NetworkManager cries: Jun 25 12:54:59 lati NetworkManager[811]: <error> [1466848499.853623] [nm-system.c:1266] nm_system_replace_default_ip6_route(): (wlan2): failed to set IPv6 ...
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26 views

Cannot connect to wifi with Realtek RTL8191SU on Ubuntu 16.04

I upgrade my notebook from 14.xx to 16.04. On Ubuntu 14 can i connect to my wifi network without problems. My wifi network is protected with WPA/WPA2 Personal and using mac filtering on modem. After ...
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23 views

SSL handshake failed error in midori

I want to open this website https://jscalc.io/ in midori(0.5.11) but when ever I tried to open it the browser returened SSL handshake failed error while searching for solving this error I came across ...
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26 views

Can't ping Ubuntu 14.04 host by name after IP address change

I did a basic installation of Ubuntu 14.04, installed winbind and samba and edited nsswitch.conf to add files wins DNS. I was able to ping the machine as well as access samba share using its hostname. ...
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19 views

Sharing through Iptables stopped working

I have a server connected with the internet and the local network. The configurations are: eth0 - 192.168.10.1 eth1 - 192.168.0.6 (Internet) When I wanted to share the internet with other computers,...
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1answer
36 views

Prevent vlan and bridge interface rename to renameX form

Ubuntu 16.04 server. Almost all vlan and bridge interfaces are renamed to the form renameX. How to prevent, or control the way interfaces are renamed? I know that this is done by systemd, I know how ...
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16 views

Can no longer access OwnCloud after installing OpenVPN

Installed owncloud, configured it properly and it worked. Installed and configured OpenVPN and can no longer access the server. Whenever I try to connect to the server the connection times out. The ...
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7 views

NAS Drive connection lost

I have an external NAS connected to my Ubuntu PC. Before some recent updates if I went to a website and wanted to download anything only local folders would display in the file browser folder. If I ...
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0answers
9 views

How to prevent SSHFS mount freeze after changing connection after suspend?

I am using SSHFS with reconnect attribute. It works fine, when I suspend notebook and start it again. But problem is when I take notebook somewhere - meaning different IP and different connection (...
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0answers
28 views

Wireless not working on HP EliteBook 745G2

After installing lubuntu alongside windows on my laptop, I noticed my wireless internet wasn't working (wired internet does). After a couple of hours on google and trying numerous other methods, I ...
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0answers
41 views

Bad network card driver Ubuntu Server 16.04 LTS

After installation Ubuntu Server 16.04 LTS network card does not work. lshw -c network description: Ethernet interface product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller On Windows ...
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26 views

ubuntu 16.04 - not able to connect to eth0 / LAN

I installed Ubuntu 16.04 on my system using Wubi. The installation went well. But now I am not able to connect to the internet. We have a LAN which has a proxy server. I configured the system as I had ...
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0answers
15 views

Improve internet route [on hold]

I've one doubt.. I'm brazilian and I have a dedicated server hosted in the USA. Because of the distance between Brazil and USA, my latency is a little bit high (170ms). There's a software named "...
4
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2answers
99 views

UBUNTU 16.04 - Asking for password when connecting to Windows network

I'm trying to connect to a Windows network/printer and Ubuntu keeps asking for a username and password authentication. The problem is that the Windows network doesn't have any password authentication ...
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1answer
23 views

Ubuntu 14.04LTS TCP Connection drop

I am having dedi machine with ubuntu 14.04 LTS installed on it. And recently I've noticed that my players (as I host minecraft server) get kicked from the server with message saying connection was ...
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20 views

Enable Server-Side Indexing on Samba

So, I have an Ubuntu server sharing my Music/Video files with Windows and Linux clients using Samba. When I try to add the files to the Windows' "Libraries", it gives an error that the Network-mapped ...
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1answer
27 views

How to stop XAMPP/MySQL from defaulting to IPv6?

I installed XAMPP for Linux on a fresh Ubuntu 14.04. I started all servers and ran netstat -tupln. The mysql server is running on IPv6: tcp6 0 0 :::3306 :::* LISTEN 2818/mysqld I ...
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36 views

Ubuntu Server 14.04.03- can not access web pages of server on my LAN through WAN

I am trying to access web pages served by a Ubuntu server on my LAN through my WAN. Everyone on the outside sees it fine and I can access it through my phones LTE connection but not on wifi or WAN. I ...
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0answers
24 views

Unable to access internet on on mobile via hotspot created through kde connection manager on ubuntu 16.04 [duplicate]

I have Ubuntu 16.04 on my laptop and I am connected to internet via wired network. I have created hotspots using both network manager and also using KDE connection manager. I am able to connect to ...