Managing and using network connectivity on a Ubuntu system

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What external usb-modem do you recommend(plug-play, 5ghz)? [closed]

What do you suggest? I want have usb modem operating under ubuntu immediately after connection. I need a card running at 5GHz. I do not know whether it exists (plug-and-play)? PS:I have this but ...
0
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1answer
162 views

Network manager gone after update [duplicate]

I did a software update on my HP 250 G3, after that the icon of the network manager is gone, connection is gone, if I plug an Ethernet cable in, nothing happens. If I go to settings > network, a pop ...
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25 views

I recently installed (clean install) Ubuntu 14.04, but the wifi connection is unstable

Every half an hour or so, the wireless disconnects. Turning off wifi on my laptop and turning it on again reconnects it. I tried the following from other similar threads: 1) Setting IPv6 to Ignore. ...
1
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0answers
19 views

No Ethernet or WIFI with 14.04 HP Pavilion [duplicate]

I have been trying for a month now. I would be super stoked if someone could help me: scotto@scotto-HP-Pavilion-15-Notebook-PC:~$ uname -a Linux scotto-HP-Pavilion-15-Notebook-PC 3.16.0-30-generic ...
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1answer
30 views

Web Server in Ubuntu Server vs in Ubuntu Desktop [on hold]

Information about host: I have Ubuntu Desktop 14.04 installed in Hard Disk. (I don't use Windows). I had installed Apache Server (I don't remember when). When I test on Browser with the 192.168.1.3 ...
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30 views

How to share files between Ubuntu Gnome 15.10 and Lubuntu 15.10?

SITUATION: I have a classic desktop PC and a laptop. On the old PC runs Lubuntu 15.10 and on the laptop I have Ubuntu Gnome 15.10. The Lubuntu is connected via cable to the router and the laptop via ...
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1answer
34 views

SSH myself using public IP address does not always work

I am running Lubuntu 14.04 and have set up an SSH server. It has taken me ages to troubleshoot because of a confusing fact. At home I can SSH my laptop from itself using either my local IP address ...
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14 views

PPPoe network errors

I am trying to connect wired pppoe network on ubuntu 14.04 I have referred : https://help.ubuntu.com/community/ADSLPPPoE network manager says "device not managed" I followed the setup ...
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23 views

Setting static ip for ubuntu in VMWare

I have a host windows machine which use static IP to connect to the internet (I am living at dormitory so everyone has their own IP). I installed Ubuntu inside of VMWare Workstation 12 but I am unable ...
0
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1answer
31 views

Unable to create wifi hotspot .. even kde is not working .. all this happened after updating in 15.10

When I click the connect to hidden wifi network , It has stopped to show the list of all hotspots I previously connected to, So i tried to check in settings->network->use as hotspot, Even this failed ...
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108 views

14.04 wifi symbol missing; no Internet

Update: HERE is the solution: upgrade made all network manager and wireless disappear in Ubuntu this morning Original Post: Internet used to work just fine yesterday. But now I got this Issue: No ...
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65 views

A posibble solution for Lenovo users with Realtek wireless card to solve their Wi-Fi issues

My system - Lenovo G50-45 with Realtek RTL8723BE wireless card. My wireless card details My skills - I'm new to Ubuntu. Dual booted Ubuntu 14.04 LTS along with Windows 10 on 28th of January, 2016. ...
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0answers
46 views

Ubuntu has stopped connecting to my network

I've had Ubuntu 14.04 running problem free for 18 months. My network connection is through a mains network adaptor and it has worked just fine. I closed the computer down last night, restarted this ...
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0answers
79 views

Wifi connection problem after updating [duplicate]

The thing is that I need some help with my Ubuntu 14.04. After running an update and rebooting my system, I am not able to connect to WiFi or any other networks. It says: The system network ...
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37 views

Cannot connect to network but works in safe mode

I have had Ubuntu 14 on my computer for a few months and have had little problems connecting to my wired connection. Today I had a problem with booting from my machine that I could fix after booting ...
1
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1answer
322 views

14.04--Routine update killed network-manager, unable to connect to any networks [duplicate]

I am running 14.04 LTS on a Dell XPS 13 9343. Today I did a routine update through Software Updater and restarted when it prompted me. When I logged back in I had no internet connection and no icon ...
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1answer
54 views

Check stability of the internet connection [closed]

I am using Ubuntu 12.04 and want to find out if my system or the router or the provider is causing the problem, why I loose internet connection once or twice an hour. The computer is connected via ...
4
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1answer
501 views

Network manager issue: The system network services are not compatible with this version [duplicate]

I have seen relevant solutions in askubuntu and other sites but none worked for me so far. I reinstalled network manager, modem manager, tried to upgrade them and manually install everything, also ...
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0answers
9 views

Problem using printer on ubuntu virtual machine

i have a windows 10 laptop running ubuntu on a virtual machine, i have a canon iP 110 printer connected and my ubuntu is recognizing it, but when i try to print something the state says "done" but the ...
0
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0answers
36 views

WiFi problem on Ubuntu (version 15.10)

WiFi is not working in my HP laptop on Ubuntu 15.10 whereas it is working fine in Windows 8. On Ubuntu 15.10 hardware key (for enabling and disabling Wi-Fi) turns red permanently while it turns white ...
1
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1answer
19 views

autossh forwarded ports left open on connection failure

I am trying to establish a reverse SSH tunnel from my home network. I've got it so that autossh connects successfully once (and only once) per reboot. I'm forwarding remote ports to my local machine ...
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13 views

ubuntu vm unable to take ip via dhcp

I copied a ubuntu vm from an esxi server to a vmplayer. I want make the vm visible into the network so I enabled dhcp. My /etc/network/interfaces looks like this: auto eth0 iface eth0 inet dhcp ...
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79 views

Latest update leaves networking nonfunctional on 14.04

Just did update today and networking will not work whatsoever! ifconfig gives only 127.0.0.1 loopback IP address. No avail to (1) disabling ethernet MB port and installing ethernet card or (2) ...
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1answer
22 views

How can I access xampp vhosts on HOST OS (Ubuntu) from Guest OS (Windows 10)?

I have a machine running Ubuntu on host and Windows10 as Guest running using VirtualBox. I have also setup the vhost say http://site.local which is working fine. Now I would like to be able to access ...
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1answer
35 views

Trying to configure a loopback network interface but its not working

I've read the other posts..however I still have not fixed my interface. I have the following: # The loopback network interface auto lo iface lo inet loopback # The primary network interface auto ...
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6 views

mount cifs anomymous

I have problem to mount a cifs partition without username. The windows disk shared has no user. I tried with: sudo mount.cifs //192.168.1.41 /media/DISCO-MOVISTAR -o guest,sec=ntlm I got this ...
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1answer
84 views

Wifi problem in HP 15-ac149tx using Ubuntu 14.04 LTS

I have a HP 15-ac149tx notebook with ubuntu 14.04 intalled and i am facing problem with the wifi . At first it didnt work then i tried this sudo add-apt-repository ppa:hanipouspilot/rtlwifi sudo ...
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17 views

wifi problem in ubuntu in acer aspire 5750z

I installed ubuntu and I am new to Linux my laptop is acer aspire 5750z and my issue is I can't able to connect to wifi in ubuntu assist me slove my problem
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2answers
38 views

GNOME Terminal: Connect via SSH from Ubuntu Desktop 14.04 into Ubuntu Server 14.04 Virtual Box Guest Host

Here are my current conditions: I have UBUNTU DESKTOP on HARD DISK. (I don't use windows) Desktop has ssh installed. Ifnet: 192.168.1.3 Username: kenneth I want Desktop to be the client. VirtualBox ...
2
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3answers
549 views

Ubuntu 14.04+all current updates. Networking stopped working

Running latest 14.04 plus all fixes up to and including 28th Jan 2016, all network connectivity gone on re-boot. My guess is it was the last lot of updates which where some lib files. Installed files ...
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13 views

nm-tool command does not give ipaddress

Im trying to use nm-tool to get the default gateway address but does not list everything. Here is my command and output. vagrant@vagrant:~$ nm-tool NetworkManager Tool State: connected (global) - ...
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5answers
11k 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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53 views

Thunderbird prompts Outgoing server (SMTP) smtp.gmail.com failed message

I am using elementary OS Freya 0.3 (though the problem i guess is not strictly change), i am facing problem with sending mail via thunderbird email client using Gmail. I am receiving emails with no ...
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0answers
38 views

client authentication via sssd/ldap

I'm struggling with an annoying server (14.04.03) setup. We basically want to enable users login via sssd/LDAP, so they can access the machine with ssh. I've followed various tutorials (e.g. ...
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0answers
17 views

Netis WF2120 installation on Ubuntu 14

I'm completely new to Ubuntu but I have been asked by my workplace to install a wireless adapter to a laptop that is running Ubuntu. The issue is, the CD that came with the adapter has an ...
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1answer
151 views

network services not working after an upgrade

after an upgrade when i restarted my sytem ubuntu 14.04 amd 64 no network icon on desktop when i click through system setting on network icon, it say "THE SYSTEM NETWORK SERVICES ARE NOT ...
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1answer
34 views

Server, Remote Login, SSH?

Two Things. I'm trying to setup multiple server applications on Ubuntu With Terminal using SSH. I need to be able to use some form of login to the applications VNC, (having trouble with) SSH GREAT, ...
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0answers
13 views

Install rt3572 driver for wireshark air sniffing to Ubuntu 15.10

I am so messed up on this driver installation. I had used Linksys AE1000 and WUSB600N wireless LAN USB adapter for 802.11 packet sniffing and had no problem with Ubuntu 12.04. However, if I run ...
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15 views

/etc/network/interfaces file order of precedence

Does the order of interfaces in /etc/network/interfaces define how the routing table is built? My proposed changes to a server's interfaces file are shown below. The server has 3 NICs attached to the ...
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0answers
11 views

vpnc - How can I determine my group name and password?

I have downloaded network-manager-vpnc, and I want to know how I can determine what my VPN's group name and password is. I have a Windows machine that I can successfully VPN to - can I figure out the ...
0
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1answer
58 views

Ubuntu 15.10 5G WIFI issues

I currently have a dual-booted computer running Windows and Ubuntu. I also have the option of connecting to a 2.4Ghz and 5G network in both the Windows and Ubuntu menus. However, while 5G works in ...
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1answer
41 views

Cannot ping to my router

This is my first time here and I am having trouble to ping to my router from Ubuntu 14.04. I have usb N300 WiFi USB Adapter. This is the result of route -n: Destination Gateway Genmask ...
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0answers
42 views

No wireless Ubuntu 14.04 and unclaimed network controller

So I've just installed Ubuntu 14.04LTS completely overwriting what was previously Windows 10 (wireless was working fine on pre-installed windows). Now only Ethernet is working fine but I am not able ...
0
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0answers
26 views

Apache2 runs but is not working on Ubuntu VM!

I set up apache2 on an Ubuntu 14.04.03 VM. This is a VM hosted on a university server and I can only SSH to it (from my office/home computer). Apache seems to be running OK when I run this command: ...
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22 views

Whole network part of my ubuntu system doesn't work

I had some troubles with wifi-connection - it dropped stadly every several hours; I had to reconnect every time. Trying to solve this problem I found this solution ...
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26 views

Problems adding an interface to resolv.conf

I'm having problems with my network, and it it just with Ubuntu. If I do: ping www.google.com ping: unkown host www.google.com But: ping 64.233.198.147 Gives me ping. Info: Ubuntu 15.10 ...
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1answer
23 views

Connect two subnets so that they can see each other

I've got 3 machines (virtual) : A client, a server, and a destination. (All running ubuntu 14.04). The client and server are interconnected via a subnet, and have the ips 10.10.100.4 and 10.10.100.2 ...
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15 views

External HDD connected to router. How to use it as Ubuntu home directory?

I have a computer without USB, using Ubuntu (latest version). I have a router with a place to insert usb stick or external usb harddisk (to use it on the network). The computer is connected with this ...
0
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1answer
20 views

Ubuntu 14- no internet connections at all

I'm booting Ubuntu in WMware Workstation while using Win7, my laptop has internet connection in windows, but when I go to Ubuntu, it does not reckognize any connections. I searched the answers online, ...
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1answer
176 views

Nethogs → creating socket failed while establishing local IP - are you root?

Following update of my Kubuntu, I'm not able to monitor my network consumption using nethogs: sudo nethogs enp1s0 creating socket failed while establishing local IP - are you root? Kernel $ uname ...