This tag covers anything related to home networking, errors using the official repositories, clouds and system administration. This tag also covers simple internet access issues.

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0
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1answer
14 views

Can't connect to my wlan router but can connect to any other router (but router works fine with other distributions)

Suddenly after Ubuntu freeze I am unable to connect to my router. I have already reset my router but nothing has happend. If i connect my ubuntu with my andriod wlan router it works fine. I have tried ...
0
votes
0answers
10 views

OpenDNS Resolver on Ubuntu Server

This morning I got a letter from my ISP saying that my Ubuntu Server (13.10) can be user as an "Open DNS resolver". They propose 3 possible solution to fixing this problem: Limit access to recursive ...
0
votes
1answer
507 views

Iptables: deny all traffic from IP except for ports 80, 22222, 22223

I've got 2 servers: ClearOS external interface 192.168.1.90 internal interface 192.168.3.1 Ubuntu Server: connected to ClearOS to IP 192.168.3.90 I need to deny all traffic from IP ...
0
votes
0answers
11 views

Cannot connect to my local ubuntu file server with SSH SFTP or Samba

I have a Ubuntu Desktop install [Ubuntu 14.04] that I am using as a server for my movies and photos so I can always be backing up via CrashPlan. I have this server setup with SSH and Samba so I can ...
0
votes
0answers
6 views

Defective Built-in Hotspot Feature

After a fresh install of 14.04, I tried the built-in create a Hotspot feature on System Settings>Network. Turns out, my wireless card does not support this feature on Linux (though I can create ...
2
votes
0answers
414 views

Bluetooth not working in Ubuntu 14.04

My laptop is sony VPCEH15EN. In the early releases of Ubuntu like 12.04 and 13.10 my bluetooth used to work properly. But now in Ubuntu 14.04 it is not working. Here is the output of sudo lshw -C ...
0
votes
1answer
161 views

arpspoof: libnet_init(): UID or EUID of 0 required

i'm a new ubuntu user and i'm trying sslstrip .i did all the steps but when i try to run arpspoof i get this error message "arpspoof: libnet_init(): UID or EUID of 0 required" here is the tuto that i ...
0
votes
1answer
739 views

Installation problem of fog in ubuntu 13.04

..#######:. ..,#,.. .::##::. .:###### .:;####:......;#;.. ...##... ...##;,;##::::.##... ,# ...##.....##:::## ..:: ## ...
1
vote
1answer
35 views

Generating .ovpn Config for android phone

I'm using an Ubuntu Server and I wanted to use OpenVpn for my server and my android phone. I installed OpenVpn connect for my phone and the software needs *.ovpn file from my server. How can I ...
1
vote
1answer
15 views

Pactester dont find Pacfile

If I run pactester -p wpad.dat -u http://google.com on terminal, as it says in the manual i get this error pacparser.c: pacparser_parse_pac: Could not read the pacfile: : wpad.dat: No such file or ...
0
votes
0answers
25 views

Network Issues since Trusty

Since upgrading (fresh install) to Trusty (Kubuntu) I have noticed network issues. Exactly every two minutes my network craps out for a moment but then shortly comes back online. This is clearly ...
0
votes
0answers
6 views

Wake-on-Lan on thin clients after power outage

I've got two thin clients and terminal server based on Ubuntu 12.04 LTS 64x. Also I've got the script, that wake clients, when I need it. But after power outage (I mean at all), Wake-On-LAN function ...
27
votes
13answers
20k views

Nice network diagram editor?

Writing a commercial proposal, I want to create a nice graphic showing the clients the architecture I thought of for their IT network, with servers, network connections, firewall, load-balancing, etc. ...
0
votes
1answer
36 views

Problems in Net connectivity

I have installed both Ubuntu Raring Ringtail and Windows7 in my computer (dual-boot). While all the sites can be visited using Windows, some sites like Yahoo! can't be accessed using Ubuntu. I can't ...
1
vote
0answers
4 views

Can't access Flask from local network

I've already read this thread, but it is not what I'm looking for. I'm running Flask on Ubuntu 13.10 with this configuration, but I can't access it from the local network using the correct ip and port ...
0
votes
0answers
59 views

Cannot connect to wifi at home after upgrade to ubuntu 14.04

This really make me struggle , I have upgrade my dell xps13 9333 from ubuntu 13.10 to 14.04, now I could never connect to the wifi at home. The wifi card can see the wireless network, but cannot ...
1
vote
1answer
110 views

Cannot access Internet after 14.04 upgrade

I upgraded from 13.10 to 14.04 a couple of days ago via internet using "sudo apt-get upgrade". After the upgrade, both my wired connection and wireless connection stopped talking to the internet when ...
0
votes
2answers
2k views

Wifi Problems with Intel Centrino Wireless-N 2230 on Ubuntu 12.04

So I have searched high and low and nothing seems to work. I bought this Lenovo p500 IdeaPad, got rid of Windows8 and threw Ubuntu 12.04 on here. My Centrino Wireless-N 2230 card seems to be giving ...
0
votes
1answer
25 views

Cannot change printer name (WERR_ACCESS_DENIED)

I am having MAJOR problems trying to network-share a printer I have connected to my Ubuntu machine (the rest of the machines on the network are all various versions of Windows). I've been tangling ...
1
vote
0answers
54 views

Problem with connecting mobile broadband in Ubuntu 14.04

When I plugged mobile broadband top right bar new mobile broadband option appears then immediately disappears then again appears then immediately disappears and so on... If I click on new mobile ...
6
votes
4answers
1k views

How to successfully restart a network without reboot over SSH?

In Ubuntu 14.04 neither sudo service networking restart nor sudo /etc/init.d/networking restart do anything any more. They also both exit with code 1. Something has obviously changed (or half changed) ...
1
vote
1answer
70 views

Can't Connect With Mobile Broadband on Ubuntu 14.04

I am using Idea Net Setter with BSNL 3G Sim for connecting as mobile-broadband. I installed Idea Net Setter by their Linux installation file install_linux as shown below: Begin verify CD... Verify ...
0
votes
1answer
32 views

unable to connect to ethernet in ubuntu 14.04

I have HP Pavilion g6-2201ax laptop. I was working with live usb. But ubuntu detects ethernet connection but before establishing connection it gets disconnected. I have realtek RTL8168 PCIe ...
-1
votes
1answer
12 views

Configuring two half-separate lans using DHCP

I have to set up DHCP that has to assign IPs over 2 networks (192.168.0.0/24 and 192.168.1.0/24). That is easy and I've got it working. The question is, is it possible to make PCs from one network ...
1
vote
3answers
3k views

Web server on local network

I have problem accessing (one of my) web server from my local network. I have a (Ubuntu) computer that that acts as router, web server etc. That works well, I can access the web server both ...
1
vote
0answers
13 views

Ethernet Adapter AR8161 not connecting 13.04 [on hold]

I've scoured the internet looking for a solution for my problem but have be unsuccessful. I have looked at and tried just about every possible solution on the internet. A majority of my find have been ...
0
votes
0answers
14 views

Guidance concerning Comprehensive SSH Secure Server setup [on hold]

Alright, I am essentially seeking to obtain a few good leads concerning which sources to capitalize on concerning setting up a Secure SSH Ubuntu server. This would be my first serious build (without a ...
0
votes
0answers
9 views

In netstat, I'm getting close_wait for ipp. Is that supposed to happen?

Netstat is giving me Proto Recv-Q Send-Q Local Address Foreign Address State tcp6 1 0 ip6-localhost:40526 ip6-localhost:ipp CLOSE_WAIT I don't have a ...
0
votes
0answers
7 views

Error connecting to Windows Terminal Server VIA network boot

I am currently trying to load a windows terminal server screen instead of a Ubuntu screen , I keep receiving a blank black screen with only the cursor visible or an error screen with a lengthy busybox ...
1
vote
0answers
4 views

RSAT not Connecting When Trying to Administer Samba Domain on Ubuntu

I have created a domain server on Ubuntu using Samba. I have managed to connect to this domain using my windows 7 pro laptop. The guide I used to configure the samba domain on Ubuntu ...
0
votes
1answer
41 views

VirtualBox: Simulate network and DHCP Server - cant reach hosts

I have 4 Virtual Machines with VirtualBox and I want to set up a virtual network like this: The VMs have multiple eth interfaces using "Internal Networking" mode in Virtualbox. My goal is to be ...
10
votes
2answers
5k views

How to disable/enable automatically connecting to WiFi?

Whenever I restart my WiFi router, Ubuntu tries to connect to my neighbours' WiFi networks. There's over 30 wireless networks in the area. Ubuntu prompts me for the password to all of those. This is ...
1
vote
1answer
45 views

Eth0 not working on Fresh install of 12.04

i've just reinstalled my ubuntu 12.04 server with a clean install and i cannot get the networking to work, so i am unable to update the machine. can anbody give me some advice on what solution i can ...
1
vote
0answers
70 views

problems with Realtek RTL8188ee on 14.04

I am having a wireless issue with my mothers laptop, just installed Ubuntu 14.04 because I'm tired of removing malware from her laptop and now the wireless card wont work. this is the first time I've ...
0
votes
0answers
10 views

losing traffic through linux server

I am running Ubuntu 12.04.4 server and trying to use it as internet server. unfortunately i keep losing wesites to view through my server , but when i connect directly to my ADSL modem , there is no ...
0
votes
0answers
13 views

Install ubuntu over network

I want to install Ubuntu 14 on an old PC i have. It doesn't seem to boot from a cd or usb. i want to not have to setup a lot of software to get this to work. the pc is connected to my local network. ...
0
votes
1answer
21 views

how to connect two computers using wifi network and without using Router?

I have an embedded board which has an Ethernet port. this port is connected to a FPGA (an electronic device !) which sends data to this port at 1 Gbit/Sec. I want to monitor this board to see if it ...
0
votes
0answers
174 views

Internet Problem in Ubuntu 14.04 , After Upgrading from 12.04

I Recently Upgraded my 12.04 Ubuntu System to 14.04 , But After Upgrading to 14.04 , I have been facing the following problems , Wifi and Ethernet gets connected to the network , but I am Unable to ...
0
votes
1answer
11 views

Nautilus multihop ssh

I would like to use the nautilus (or any other usable GUI file manager) to work on Virtual machine. This VM is running on a remote server, and I can't reach it via ssh from my computer, I have to ...
0
votes
0answers
171 views

Continuous deauthentication on a WPA Enterprise network (eduroam)

I have a Dell XPS13 9333 with Ubuntu 13.10 and a wireless interface Intel 7260. When I connect to the eduroam network at my university (WPA Enterprise, PEAP, MSCHAPv2, with CA), the connection works ...
5
votes
3answers
406 views

How to monitor, who is pinging me?

Is there a way to know who is pinging my PC on my network. Is it possible to monitor all ICMP packets?
0
votes
0answers
14 views

Lag spikes when playing games since upgrade to 14.04 from 12.04

I sometimes play games (Awesomenauts, CS:GO,...) on my Ubuntu 14.04 laptop. After upgrading from 12.04 to 14.04 last week the gameplay of all of my internet games suffers from lags every view minutes. ...
1
vote
1answer
267 views

Secure OpenERP Server

I use a Ubuntu 12.10 Desktop as a server 'only' for OpenERP 7.0. This OpenERP server is used by both, the team as well as clients. I've checked out posts that help someone secure a 'web-server' (i.e a ...
0
votes
0answers
20 views

Getting Broadcom BC4313 Wi-Fi to work on Ubuntu 12.04 without slowing internet for other devices

I have two laptops on my network, one of which has been running Ubuntu 12.04 for several months now without any issues. After getting a virus on the other yesterday, which originally came with ...
0
votes
3answers
632 views

WiFi not working in Ubuntu 14.04 LTS

I have installed Ubuntu 14.04 LTS on my laptop. Under networking menu at the top, it is not showing any WiFi options. How to get Wifi working in Ubuntu 14.04 LTS? I have Broadcom BCM4311 WLAN card. ...
1
vote
1answer
28 views

Where “.gvfs” has gone in 14.04

My question is "simple". Where can I find a local mount point for the Samba shares I'm connected to. In 12.04 it was located under *home/.gvfs*. Thanks in advance for your help. Here is my smb.conf ...
1
vote
2answers
146 views

Network connection error after suspend Ubuntu 14.04

I'm using ubuntu 14.04 and a DSL connection for internet. However, whenever I suspend and resume my session, I'm no longer able to connect to the internet. Could someone help me fix this?
0
votes
1answer
7 views

Make application / service priority really high

I am using two Ubuntu computers, I use this Synergy application to share mouse and keyboard. However when the Synergy server computer is using peak CPU usage, the mouse pointer gets stiff. How do I ...
0
votes
0answers
18 views

Trusty, Lenovo Y500, and Wifi

After a little googling, I was able to install Ubuntu 14.04 on my Lenovo Y500. Grub would not install on /dev/sda (16GB SSD), but installed fine on the spinny disk. I'm using the SSD as the swap ...
2
votes
0answers
16 views

Internet disconnects by itself and never reconnects unless system restarted

I am using Ubuntu 13.10 and a wireless internet from a modem "Reliance Netconnect" for the internet. I've installed Ubuntu two days back along with my Windows system. So here's a detailed summary of ...