Managing and using network connectivity on a Ubuntu system

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2
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1answer
51 views

Is the file '/etc/network/interfaces' ignored when I use the Network Manager?

I had this configuration in a server /etc/network/interfaces auto em1 iface em1 inet static address 192.168.1.250 network 192.168.1.0 netmask 255.255.255.0 broadcast 192.168.1.255 ...
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0answers
22 views

cannot access through telnet from ubuntu 14.04 to windows 7

I have this HW that i need to connect ubuntu and windows 7 from Telnet protocol to each other. Till now I have made this possible to open my terminal from windows 7 and it worked just fine. but when i ...
0
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0answers
7 views

Setting up firewall for my hosting

I am having an Ubuntu 14 instance installed in Amazon Cloud. In there, I have setup apache2,tomcat7, and phpmyadmin. Any request to port 80 will be forwarded to the tomcat based java application. ...
0
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0answers
16 views

14.04, wifi disconnected, atheros ar5008, CAN'T SLEEP!

Two days ago I started computer and found the wifi disconnected. I couldn't even figure out a reason since I didn't do anything, I didn't update anything, I didn't change any settings, and it just all ...
0
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0answers
10 views

bluetooth does not connect phone and speaker, and the wifi freezes the laptop when switching a network

I have Ubuntu 15.04 installed on a lenovo yoga3pro. It recognises, but it does not connect to my phone (iphone 5s) and speaker (envaya denon). the wifi freezes the system most of the time when I ...
-1
votes
2answers
35 views

SSH to local ip in external network

I know there is a lot of information about this subject but still I do not understand something. We have internal wiifi network that include 4 desktops, each one has internal local ip address. The ...
-1
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0answers
14 views

Ubuntu 14.10 wifi keeps disconnecting [on hold]

Every so often, my wifi will disconnect. I have posted the output of "lshw -C network" and "uname -a" below. sudo lshw -C network *-network description: Wireless interface ...
1
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0answers
17 views

Internet Connection not being picked up

My dad has ubuntu installed on his PC, and up to now we haven't had any issues with it. However a couple of days ago it auto-updated to a new version of ubuntu. Looking at the details in settings, it ...
0
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0answers
7 views

Modem 4G (HiLink) + network-manager

How establish a connection (internet) with this type of modem (HiLink) and network-manager? Doesn't matter how I try modem disconnects after few seconds. ł.o.
1
vote
1answer
108 views

Can't Connect to Samba Server After Setting Up VPN

I had installed Samba by following this guide: Samba Guide for a while on my ubuntu server now, everything works fine until I installed OpenVPN to my server recently. After I have installed OpenVPN ...
0
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0answers
28 views

Internet comes and goes after update to 15.04

I recently upgraded to 15.04 with a Mac. At the beginning I had no Internet at all but fixed that by installing manually the drivers from my wired connection. However now with both WiFi and wired ...
0
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0answers
17 views

Need help installing drivers for an Archer T2U wireless adapter!

I had an old computer running WindowsXP, and I wanted to add some life to it and finally expose myself to a Linux OS or something similar, maybe learn something from the experience. So I got a Lubuntu ...
1
vote
1answer
41 views

(Ubuntu 15.04) wireless connected but no internet access

i'm using ubuntu 15.04 vivid, I'm connected to the wifi but when I open Firefox, it said "Server not found", I open Software Updater it said Failed to download, basically no internet access. But I've ...
0
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0answers
5 views

Fast & Traceable copy of 2 TB data over Gigabit LAN from Ubuntu live mounted Volume to Synology NAS (Win SMB, NFS, Mac AFP)? How?

Fast & Traceable copy of 2 TB data over Gigabit LAN from Ubuntu live mounted Volume to Synology NAS (Win SMB, NFS, Mac AFP)? How? I am going a Data Recovery using a Unbunto Live CD (14.x LTE) ...
1
vote
1answer
28 views

connect to wlan0, and eth0 as safeguard in etc/network/interfaces

I am currently running rpis headless that send data over ethernet to a server that is also connected to the router through ethernet. Using a usb wifi adapter and keeping the same IP address, i would ...
0
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0answers
16 views

What remote host allows tunneling thru ssh with public key and password?

I need a virtual desktop that can only be accessed by having the ssh public key and the user password. I was trying remmina but it does not seam to support the dual authentication of public key and ...
0
votes
1answer
30 views

wlan0 is missing

My laptop wlan0 missing after apt-get upgrade. It works well before. ifconfig only lists lo and eth0 now. iwconfig give no wireless extension error. $ iwconfig lo no wireless extensions. eth0 ...
1
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0answers
21 views

Problem with PBISOpen and Ubuntu 14.04LTS

Good morning I'm testing openpbis 8.3 version and i have authentification problem when i'm trying open new session on Ubuntu 14.04LTS, not in local netwark but only in distant network. Adding the ...
0
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0answers
11 views

net isp balance dependencies

I am trying to setup the http://lstein.github.io/Net-ISP-Balance/ in an Ubuntu server 12.04. I have a few problems during the installation. I got some errors that I cannot find a way to solve them. I ...
0
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1answer
29 views

Can't connect to WiFi with “Connection activation failed” error after upgrade from 14.04 -> 15.04

I recently upgraded from 14.04 to 14.10 to 15.04 in succession. I lost internet capabilities each time, thanks to my having to use a Realtek WiFi dongle. I was able to resolve those issues both ...
0
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0answers
10 views

New installation of Ubuntu Kylin doesn't recognize Huawei 4g wireless b/b modem (Lenovo 7303 Desktop)

I've been away from Linux for a little while but I've installed Kylin 14.04.2 64bit alongside win7homepremium 64bit. I had to install them both twice as I wanted to upgrade to win7ultimate while I was ...
-1
votes
0answers
13 views

Remote Desktop and Printing

I want to connect to Windows Computers using any Remote Desktop clients over a WAN connection from anywhere around the world. I used 2x, Remotedesktop Client and even remmina, But they all turn out to ...
0
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0answers
31 views

PFsense not working. Squidguard stopped

Hi I had tried to test the PFsense in VM VirtualBox. Let me explain the setup as follows: 1: PFsense installed VirtualBox (Server) em0 - 172.1.1.93 [WAN] vtnet0 - 10.10.10.1 ...
2
votes
1answer
14 views

can't run interface and virtual interface at the same time

So I am trying to create an ad-hoc network between a couple of devices. I also need to run hostapd in order to capture probe request packets. I have a wireless adapter (TL-WN722N) that is capable of ...
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0answers
23 views

Wifi stopped working after resume or reboot Ubuntu 14.04

I have a dell vostro laptop with Ubuntu 14.04 dual boot with windows (wifi is working with windows). The wifi stopped working after resume/reboot. Wifi is unable to detect any networks. PFB the ...
0
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0answers
23 views

No wifi networks detected after Ubuntu 14.04 upgrade [duplicate]

Since I clean installed Ubuntu 14.04 my laptop is now no longer able to detect wifi networks. I can use a wired connection, however. It's a Realtek wifi device. I've seen lots on Broadcom issues but ...
0
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0answers
15 views

Ubuntu 14.04 LTS - setup as proxy server

I am new to Linux. I want to configure my machine (Dell OptiPlex 780 with 4GB of RAM and 1TB HDD - two network cards) as a proxy server for my home network. What is your recommendation on how to ...
0
votes
1answer
15 views

How to keep alive a wifi connection on a laptop

I have a Dell Mini 9 running Ubuntu 14. The wifi seems to work well, but only as long as I use it. I've noticed that if I leave it idle, and then try to ping or SSH into it, it's disconnected from the ...
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0answers
24 views

Why does ubuntu's wireless work horribly? [on hold]

It doesn't matter if I use LTS or not. It doesn't matter what hardware I've used. After about 6 months ubuntu seems to forget how to connect to my router even though nothing has changed since the day ...
0
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0answers
9 views

Cannot connect to internet due to route table oddness

Environment: Ubuntu 14.04 Problem: I want to connect to my VPN at work from home. Whenever I connect to my wireless, my route is set up to the work route. The home gateway is supposed to be ...
0
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0answers
4 views

How to remove pppoeconf configurations?

Kubuntu 12.04 When I installed Kubuntu, Network Manager didn't work very well so I set Adsl connection with pppoeconf. It worked fine but Network Manager is disabled for some reason.There's a red x ...
1
vote
2answers
27 views

Is sharing a mounted USB drive on Samba without a password a security risk?

At my low level of expertise, the only way I can share a mounted external drive from Ubuntu 14.04 to Windows computers in my house is to use the Samba GUI to share it, then edit smb.conf to add "force ...
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0answers
12 views

“Unable to connect to RDP server” in remmina desktop client

Never done it before so have no idea where i am going wrong. I clicked on new to make a new rdp connection and then added the ip address in the "server" box. THen i put the username and password in ...
1
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0answers
18 views

Forwarding specific traffic to another LAN

There's a LAN of about 40 computers all running Ubuntu 15.04. There are two servers, both Ubuntu 15.04. One of the servers will act as a SVN repo server and other as a firewall-and-transparent-proxy ...
0
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1answer
31 views

Lubuntu won't connect to wifi

I recently installed Lubuntu on an old Toshiba Satellite P10 with Intel Celeron 2.6 Ghz and 2 GB DDR Ram . Any version of windows ran so slowly so I decided to give Lubuntu a go. It installed ...
0
votes
1answer
28 views

wpa_supplicant does not connect with “ioctl[SIOCSIWENCODEEXT]: Invalid argument” error!

Ubuntu Server 12.04 is installed on my desktop system (in text-mode, no X-Window is available) and I have no wired Ethernet connected, just wireless network is available. I use TP-Link TL-WN723N USB ...
0
votes
1answer
33 views

Slow SFTP Speeds with Raspberry Pi on Local Network

I am using my Ubuntu Desktop (15.04) to connect to my Raspberry Pi 2 on my local network. To access the files, I would like to mount the RPi using Nautilus's "Connect to server" feature. When I use ...
0
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0answers
11 views

New and Inexperienced: Wifi networks not being detected suddenly

I know very little about Ubuntu or programming, or really anything, but I'm helping a friend get a stable OS on his computer since some jerk nuked his entire hard drive, OS and all (me). For a while ...
0
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0answers
11 views

how to set up plex on ubuntu pc with external network synology nas as drive

I am a newbie to Ubuntu. I've been trying to set up and run PLEX on an old Dell D620 running 14.04 LTS using a Synology DS214se networked with a NETGEAR S524 switch. At this point I am happy to do ...
0
votes
1answer
28 views

Google sites are not opening

I'm using Ubuntu 14.04 and I'm having a strange issue, I have no idea what else to do... 1) Some Google sites/functionalities are not opening. GMail works but the browser tab keeps loading forever, I ...
0
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0answers
13 views

How do I password-protect a Samba-shared folder that uses “force user”?

After trying various things, I've found that this has allowed me to share an external HDD from Ubuntu to my Windows computers. Is there any way that I can add some sort of password protection to ...
0
votes
1answer
28 views

IPv6 SLAAC (ICMPv6 Router Advertisments) are ignored by wlan1 interface

I installed 15.04 on my Thinkpad W520. However, I'm not able to get IPv6 working on wlan1 interface: ifconfig wlan1 wlan1 Link encap:Ethernet HWaddr 8c:70:5a:d2:65:bc inet ...
0
votes
1answer
12 views

connect to encoder via eth0

I have ubuntu 14.04 and I am trying to connect to other device(encoder) via eth0. Encoder has ip address 239.168.168.55. I set my static ip address via network connections. In IPv4 settings I put ...
0
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0answers
26 views

Cisco VPN not connecting: no ifupdown configuration found

I am trying to connect to a Cisco VPN network using network-manager and vpnc. Until one week ago everything was working fine. Now suddenly the connection fails. The Log: Jul 25 21:09:12 ...
1
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2answers
87 views

Lubuntu / Ubuntu - Unable to connect to wifi network

I've been recently looking for information to fix the wifi connection on my Lubuntu machine. I got a fresh install of Lubuntu 15.04 on my PC with a TP-LINK 8200ND connected to it. Lubuntu shows the ...
0
votes
3answers
36 views

Disconnet internet at specific time in ubuntu 12.04

I'm a Ubuntu 12.04 LTS user, and I want something that disconnect the Internet at a specific time. Here in this answer, there was an option in modem manager to disconnect the internet at specific time ...
0
votes
0answers
9 views

Ubuntu transfer file via Hotspot like with Zapya

i have most big file and i'm trying to trasfer that via hotspot like with Zapya, after create new Wireless(shared) on kubuntu and connect to that on kubuntu, i'm connected to that from Windows, now i ...
0
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0answers
16 views

How do I configure my broadband connection in ubuntu 14.04?

I've installed ubuntu 14.04 along with windows 7 on my pc,I can use internet in windows 7 but not in ubuntu.I've a broadband connection what should i do? manishk@manishk-desktop:~$ uname -a Linux ...
2
votes
1answer
44 views

Can't turn on wifi in ubuntu 14.04

My computer is an Asus x450j iwconfig shows: eth0 no wireless extensions. wlan0 IEEE 802.11bgn ESSID:off/any Mode:Managed Access Point: Not-Associated Tx-Power=16 dBm ...
1
vote
1answer
18 views

Uncomplicated Firewall (UFW) is not blocking anything when using Docker

This is my first time setting up an Ubuntu Server (14.04 LTS) and I am having trouble configuring the firewall (UFW). I only need ssh and http, so I am doing this: sudo ufw disable sudo ufw reset ...