Managing and using network connectivity on a Ubuntu system

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VXLAN with namespaces

I'm stuck with VXLAN configuration between 2 namespaces. Creating namespaces and interfaces: ~$ sudo ip netns add pc0 ~$ sudo ip netns add pc1 ~$ sudo ip link add veth0 type veth peer name veth1 ...
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27 views

How to restart all network services?

Occasionally when waking up my laptop, I need to run: sudo service network-manager restart In order for wifi to work. However sometimes I have to restart completely, so there has to be some other ...
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2answers
25 views

Connect 2 computers remotely

I'd like to know how to connect 2 Ubuntu computers a desktop and a laptop so that from the laptop remotely i can use sudo permission on the desktop
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43 views

Cannot detect wifi on a newly installed Ubuntu 15.10

The question has been edited according to the standard. The situation is: I have just downloaded and booted Ubuntu live media and update it by the commands sudo apt-get update and sudo apt-get ...
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0answers
12 views

ubuntu have both ipv4 and ipv6 address but have no access to internet

I have both ipv4 and ipv6 address as below(by ifconfig) but cannot connect to internet (the wlan has only ipv6 address). eth0 Link encap:Ethernet HWaddr 54:ee:75:33:10:12 inet ...
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13 views

Ubuntu 14.04 unstable wifi

Wifi has been unstable for sometime now. I've tried following solutions from a couple of posts here, but I guess the solution to this problem isn't really a generic one. I'd appreciate if someone can ...
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2answers
20 views

Wireless adapter speed changes

I have an Xubuntu desktop in another part of house from router. I use a USB wireless adapter to connect. At first it works with a speed of 72 Mb/s. Then intermittently it will drop to 7 Mb/s for ...
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11 views

ubuntu14.04 randomly loses ethernet connection

I have a wired Ethernet connection. Been running 1404 almost since it was released. Suddenly, this winter, my system started losing the wired Ethernet connection. This has become a regular event. Turn ...
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12 views

Ubuntu 14.04not connecting to wifi

I just bought a BRAND NEW lenovo ideapad and installed 14.04lts. Currently it shows the wi-fi icon as trying to connect but a few second later it shows the alert that I have been disconnected. Can ...
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1answer
31 views

Can not configure eth0 and eth1

I have two physical networks: eth0 192.168.0.0/24 with with several PCs and NAT adresss 192.168.0.1 where PPPoE connecting to inet; eth1 192.168.0.1/24 with several PCs and no internet. auto lo ...
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8 views

How to directly save files into host machine from genymotion?

When I use whatsapp, Telegram etc on Genymotion. Files from that app can be download in Genymotion Virtual Device, but saving that files [video photo etc] in Genymotion virtual Device is contain to ...
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2answers
107 views
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Problems with wireless

I'm a ubuntu beginner user. I thought to have some problems with the driver of my network interface problems but apparently there weren't any ( wireless driver ). Unfortunately I went here: Wireless ...
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12 views

Securely load website content using http on local and https outside

Is secure to load page on local server (i have apache and nginx,where nginx is proxying to apache under specific port) with http and for setup https for output ? Example: I have service running under ...
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1answer
5k views

Ubuntu 14.04 Wireless not working: no network interface. Atheros [168c:003e] device

I just installed Ubuntu 14.04.3 LTS after installing windows 10 in my new VN7-571G and the wireless is not working. It never had: even during the installation it was not recognized. I run a script to ...
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12 views

Broadcom 43142 wireless not working with ubuntu Gnome 15.10

i tried installing bcmwl-kernel-source from the installation media and through terminal. my system detects the the device perfectly but when i try to activate it (turn on wifi) through network ...
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3answers
15k views

Setting up a network between a host and guest virtual machine

(I'm running ubuntu server 12.04 on virtual box) I'm trying to transfer a file (scp) from my laptop to one of the directories of a virtual machine. I tried sharing folders, but that failed. I'm a bit ...
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13 views

GA-990FXA-UD3 R5 motherboard has no internet connection during/after install Ubuntu 15.10

Here is my system: Motherboard: Gigabyte GA-990FXA-UD3 R5(rev.1) CPU: AMD FX-8370E GPU: Gigabyte GV-R929XOC-4GD Memory: 32GB Radeon DDR3 Performance Series PSU: 900W Hotkey Firstly I want to say I ...
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75 views

Software update shows a stop sign and no wifi/ethernet connection. 14.04.1

On Ubuntu 14.04.1, have been for a while. Symptoms: Screen resolution is low and no internet connection. I have tried both wireless and cable. There is a no entry ...
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2answers
32 views

Why can't I log in to my Samba share on my home network?

Recently I've had to reinstall Ubuntu Server 15.10 64-bit after wiping my home server due to an insecure password-only SSH server sitting on it for too long. Now, I'm plagued with setting my machine ...
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91 views
+50

dnsmasq giving out IPs in the static range

I have the following in my dnsmasq.conf: dhcp-range=set:red,10.1.1.2,10.1.1.69,72h,static dhcp-range=set:blue,10.1.1.70,10.1.1.100,72h,static dhcp-range=set:white,10.1.1.101,10.1.1.200,12h ...
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1answer
7k views

How do I get wireless Wake-on-Lan work with an Intel 5100 AGN?

How can I make a wireless wol with Intel PRO/Wireless 5100 AGN from a hp laptop ?
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30 views

From where to start [on hold]

I am a network security engineer. However I have never worked on linux. Most of the firewall that i worked on had gui or their custom command line. Now I wish to get more deep in security specially ...
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1answer
5k views

How do I setup routing through a PPTP VPN?

I have created a PPTP connection back to my office, and managed to setup routing as suggested in this question, so that everything outside the office LAN keeps going to my current default gateway. ...
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1answer
45 views

Just installed ubuntu and my wireless is not working

Hey I just installed ubuntu and my wireless is not working. It is a intel dual band wireless ac 3165. My first thought was to go to the intel and get the driver for it. So I done that and got the ...
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32 views

Allowing only certain programs access a mobile broadband connection?

So I got a ThinkPad and I'm wanting to limit what programs are allowed to use the mobile broadband connection and disable the broadband whenever I connect to a wifi network. How can I achieve all of ...
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11 views

Observium Web Interface not working

I have recently installed observium on Linux Ubuntu 15.10 running on a virtual machine (Vmware workstation 11) While polling a device using terminal (./poller -h all) it works just fine but when I ...
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2answers
2k views

Ubuntu won't connect to Network through Ethernet

I have just built a Desktop Computer and I have created a Live USB with Ubuntu 14.04. I boot to the USB to "Try Ubuntu" and everything works fine, but the computer refuses to connect to the Network ...
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1answer
11 views

How to share folder from Ubuntu Server 14.04 using samba to 2 desktop, windows XP and Ubuntu in Virtual Box

I have 3 image in my Virtual Box. Ubuntu Server, windows xp and ubuntu 12.04. FYI, i've already install samba in Ubuntu server and the problem is that im stuck when trying to share folder from ubuntu ...
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7 views

ubuntu 14.04 bridge + bonding (lacp mode)

I am trying to setup a bridged bonded interface and I cannot get it to work. I am able to ping google public server (8.8.8.8) yet I cannot access the internet with firefox. This is weird to me because ...
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26 views

No network connection after restart Ubuntu 14.04

After performing the command sudo dpkg -i libnl-*.deb and restart the network manager, everything went well, both LAN and WLAN connections worked. But after restarting Ubuntu, same problem, no ...
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1answer
24 views

Monitor Usage and Switch Off

Good day, I am currently looking at renting a VPS server for our Gaming group to use as a TeamSpeak server. We would like to keep it local, but are limited to resources and funds. I have found a ...
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13 views

Macbook Pro 13" mid 2010 no wifi

I have dual booted xubuntu 14.04 on to my macbook pro. Previously I had Ubuntu 14.04 LTS on this laptop with the same issue, but I never solved it. I cannot see any wifi networks when I click on the ...
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19 views

Bluetooth fails to recognize device Ubuntu 14.04

I have dual booted Windows 7 and Ubuntu 14.04. I am able to connect to my phone using Bluetooth in Windows. In case I want to connect my phone with Bluetooth in Ubuntu then I have to start Windows, ...
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1answer
29 views

Unable to change file attributes (e.g. immutable) on /etc/resolv.conf

I noticed that the network manager frequently changed my DNS server, so I wanted to set the immutable bit on the /etc/resolv.conf file, which didn't work. I noticed that the /etc/resolv.conf file is ...
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1answer
13 views

Share a local folder over LAN with CIFS

I have a folder (/share, which contains other subfolders and files) which I want it to be shared over my LAN. I've read out there that CIFS (replacing Samba) is the file system adequate to do such a ...
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1answer
4k views

Unstable wireless in Ubuntu 14.10

After the upgrade to Ubuntu 14.10, my wireless connection has become unstable. In every 2 to 3 minutes the network stops working (i.e., I am unable to load any page), even though the Network Manager, ...
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49 views

No internet in WINE 1.6.2 under Ubuntu 15.10

I am trying to install Metatrader under Wine. The program setup continually requests proxy settings. My broker tells me this shouldn't happen, and is a problem on my end. Here is what I have tried to ...
2
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1answer
182 views

Can't connect to wpa2-enterprise networks like eduroam with certificate in 15.10

With Ubuntu 14.04 LTS I had no problem connecting to the different networks of my university, for example eduroam and others that use the same configuration. The configuration is the following: ...
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18 views

wifi problems (ubuntu 12.04 on toshiba + TP-Link) Murphy Law

I have a toshiba portege z930 with ubuntu 12.04 and wifi is working greatly in any situation At home I have a modem router TP-LINK TD-W8970 V3 working perfectly with any device. Murphy law: my ...
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1answer
24 views

How to share external hard drive over wifi?

I have an external Hard Drive connected to my pc running ubuntu 15.10. I wanted to share the data on it over my home wifi network to access it using android phones. I tried various methods using samba ...
0
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1answer
20 views

How do I permanently delete networked printers?

I'm running Ubuntu 15.10 with the latest updates as of 2 Feb 2016. I use my laptop on my home Wi-Fi network and at at work on our school's Wi-Fi network. I have a Wi-Fi printer at home and a USB ...
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23 views

Is it possible to bond 2 bonded interfaces?

It's actually the 1st time to bond on ubuntu. And I made some configurations about /etc/network/interfaces but it's not working ; =============================================================== # ...
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2answers
6k views

Ubuntu 15.10 No Wifi

I am brand new to Ubuntu and the forums, and I know very little. So please keep all help simple. I can handle code, but no skipped steps please. Also, if one step needs prior knowledge, I won't know ...
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0answers
19 views

Phpmyprepaid “setup.php” displays messy code

Help me ! I want to install "phpmyprepaid" on Ubuntu 14.04, on the tutorial they say to open this link on my browser. http://my-ip-address/phpmyprepaid/www/install/setup.php but it show this result ...
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28 views

Wireless driver for mouse movement on Ubuntu 15.10

Setup I have a wireless board which is used to move mouse on a respective computer. It is connected through a dongle wirelessly to the computer. The driver/application is available are for only ...
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15 views

Have to reconnect mobile broadband many times to establish internet. What could be the reason?

I am using Huawei E303 Model HSPA Stick in Ubuntu 15.10. But i have to keep on disconnecting and reconnecting the internet from the notification area 5-6 times to start browsing. Every time i get a ...
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14 views

Airodump-ng mon0 error

I have an error while starting airodump mon0 on ubuntu 15. Before that I was using ubuntu 14.04 LTS that works great for me, but after upgrading to Ubuntu 15 it shows me this error: ...
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1answer
20 views

Network Manager always starts disconnected

For some reason, my new Ubuntu 14.04 Desktop machine always starts disconnected from the network. I'm quite sure I did something to the Network Manager when putting it on a static IP address. ...
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5answers
9k views

Network interface name changes after update to 15.10 - udev changes

I updated a virtual machine running Ubuntu server 15.04 to the just released new stable 15.10. There were no apparent problems, but after reboot the machine lost its network connection. lspci showed ...
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2answers
20 views

How to connect to a printer WiFi printer that doesn't have internet? [on hold]

if the title might be a bit weird to understand I'm gonna explain. Basically Ubuntu ( Gnome 15.10 ) doesn't want to connect to the printer wifi network because it can't be used like a router ( the ...