Managing and using network connectivity on a Ubuntu system

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Nvidia GTX 960 stops wifi card working

After installing the Nvidia GTX 960 into my existing rig, my wireless card no longer works. I'm unable to see anything associated with wireless networks, let alone view what ones are available. ...
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Proxy Server on Kubuntu 15.04 not working. Need help. :[

I recently installed Kubuntu 15.04. I can connect normally through LAN and wifi that requires no proxy. The problem is that the wifi in our college requires proxy with authentication. I have already ...
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using unbound with dnscrypt-proxy

My operating system is Ubuntu14.04 , I'm trying to use dnscrypt-proxy along with unbound,using unbound listening to port 53, forwarding name-resolve request to port 40, which is being listened by ...
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1answer
31 views

Can't connect to Wifi in Ubuntu Gnome 14.04

I just switched from windows to linux today so I'm a noob at this. Now, I'm running Ubuntu Gnome 14.04. I can't find any network icon on the top bar which is mentioned in the GNOME Help manual. I ...
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24 views

Notification whenever a program connect to internet/outside

I always use public WiFi in my college. Hence I thought of setting up a firewall. It was not as easy as I thought. My current set up is that all incoming connections are blocked except ssh. Is there a ...
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'apt-get' working but 'ping','sqlmap',etc are not work with Proxy Server

'apt-get' working but 'ping','sqlmap',etc are not work with Proxy Server...what is the reason please help me
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10 views

14.04LTS - Very Slow Ethernet Connection

Note that my system is not wireless. My motherboard is Asrock Z77 Extreme4, which uses BCM57781 Driver from Broadcom. It's my first day of using UBuntu, and it's been bugging me how the download ...
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15 views

Weaker Wifi Signal Than Normal

My wifi signal recently dropped in my room and my ping increased drastically (severe ping spikes, resolved when my connection is at 3 bars but the signal wavers). I had a problem like this in the past ...
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Ubuntu cannot find network networking on HP Pavilion 17-f053ca laptop

Trying to put Ubuntu 15.04 (and/or Ubuntu 14.04) on an HP Pavilion 17-f053ca. Ubuntu can't find the network, either wireless, or wired. The Windows 8.1 on the box networks perfectly so it is not ...
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11 views

Problem Connecting To Android Hotspot

I have one Laptop running windows and another laptop running linux ubuntu. i can connect to my phones Hotspot with the machine running windows, but i can't do it with the machine running linux. also, ...
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Lubuntu crashes after i click on network manager

For whatever reason on lubuntu some reason when I click on the network manager icon my screen sometimes goes black... not sure why, I've tried pressing ctrl alt f1 with no success any ideas?
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wired internet connection does not work - Ubuntu 12.04

I have two groups of PCs (16 Lenovo and 15 fujitsu i.e. 31 PCs) and all connected to the same network at the university. Each PC has two operating systems (Windows 7 and Ubuntu 12.04). The internet ...
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6 views

OpenVPNAS Disable IP logs

How would I disable IP logging in OpenVPNAS server? I looked online but there is literally nothing out there on this subject, and when there is, it says there is a config file but it doesn't say ...
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28 views

Broadcom wifi won't connect in room router is in but will in another room further away. Although sometimes does connect - but drops later

I'm unsure whether this is a driver problem or a wifi signal problem. Broadcom wifi won't connect in room router is in but will in another room further away N.B. Sometimes it will connect - but the ...
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1answer
21 views

14.04 server, upstart, network interfaces, and frustrated

Looking for a bit of assistance here. I upgraded from 10.04 to 14.04 last night and now I can't get my network to start-up properly. It is a multi-homed system and I use iptables2 to route traffic ...
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Issues configuring BSNL broadband connection with Ubuntu Trusty

I've been struggling with this issue for more than a month now. I've a BSNL broadband connection, I want to configure it with LAN on my Ubuntu Trusty. The connection was working fine until I switched ...
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Ubuntu Trusty Tahr ping long response

When i do ping google.com i have: 64 bytes from 173.194.113.193: icmp_seq=900 ttl=57 time=694 ms 64 bytes from 173.194.113.193: icmp_seq=901 ttl=57 time=1150 ms 64 bytes from 173.194.113.193: ...
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29 views

Ubuntu 15.04 RTL8188EE Slow/Unreliable Wifi

Hey guys I'm having some issue with my rtl8188ee network card. On Windows I get ~30-40 Mb/s whereas on Ubuntu 15.04 I get ~5 Mb/s. However, the issue comes and goes; often after disconnecting and ...
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Bind ACL — add a range of IP addrresses

I've been following this tutorial to set up Bind as the DNS on our home network. Instead of the suggested technique of adding a list of allowed IPs to the ACL in named.conf.options, I wanted to add a ...
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side effect between isc-dhcp-client, network speed and lightdm

I have 300 computers on running on 14.04 64bits Ubuntu, i use isc-dhcp-client to get ip and name from my dhcp server. I encounter the classic problem with lightdm "your system is running in ...
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1answer
12 views

What would be the consequences of uninstalling the net-tools package in a default Ubuntu system?

I know that the net-tools package is deprecated and that its features are supposedly provided by the iproute2 package. However, I find that I keep using the old net-tools programs: it's an old ...
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25 views

How to install domain name without purchase one [on hold]

Hi it's my first question here i hope get what i need .. The title dos not explain exactly what i mean ..anyway i had installed my own web server on Apache2 and i can access it through public Internet ...
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In ubuntu 15.04 ,wired and wireless are not connected after running sudo apt-get purgr network-manager-gnome network manager

I run command sudo apt-get purge network-manager-gnome network-manager. After running that command wireless and wired networks are not connected to my laptop. And when I look into "system ...
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1answer
36 views

can't access internet via ethernet, but i can via WiFi

what happens is my laptop connects to the router via lan cable but I can't access internet. while on my other laptop I can. Thought it was a lan cable issue, so replaced it. Still the same problem ...
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22 views

truecrypt permission denied mounting network drive

I have an encrypted file container that I am mounting over a local network (the drive is connected from my raspberry pi) to my laptop. sshfs raspi:/media/sda1/true_folder/ /media/raspi Then I try ...
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problem of wifi and how to connect

I have HCL ME M74 laptop. It does not have a specification of wifi. Is there a device available which I can connect to my laptop so that I can use wifi whenever I find a wifi signal?
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35 views

Have you done this? [on hold]

First some info Laptop= HP Probook 450 G1 i5 Dual Boot Win7 Pro/Deepin Ram = 8Gb Wifi = Intel 3160 Okay, so I installed Ubuntu Wednesday Night, but on my laptop and the new version of Ubuntu just ...
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22 views

Configure DHCP on Ubuntu 12.04 to share internet to subnet

I'm well aware of the plethora of documentation on setting up NAT and a DHCP server in order to share internet to a LAN. Here are a few articles that I think are getting me close, however I still ...
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22 views

Redirect http requests to another server

Is there any way to redirect HTTP requests on a certain ip address with a certain port (for example a random google IP address 173.194.112.151) to a http server that runs on my machine? ...
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1answer
28 views

Access windows shared drive in Lubuntu

I have a shared drive on my windows 8 pc, let's say the address is \\Blabla\Bla the permissions are set so that everyone on my network can edit and read, i am able to access this folder via my mobile ...
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1answer
8 views

OpenSSH .ppk file not working - host does not exist?

I have two machines: A server running Lubuntu (ragendbin) A PC running Windows 7 (farore) I have been using SSH to access the Lubuntu server from the Windows PC. However, until now I have been ...
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tftpd-hpa How can I set “blksize” option?

I'm using tftp server (tftpd-hpa) for booting from PXE via LAN. I know, that default block size for TFTP protocol is 512 bytes, and for it download speed is very slow. It can accelerate changing ...
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32 views

Connecting Sun Ray 2 to ubuntu

Is it possible to use Sun Ray 2 thin clients to connect to ubuntu desktop? We have 6 Sun Ray 2 thin clients and one IBM server with AMD processor. I need to install ubuntu server/desktop on server and ...
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Not detecting specific wireless network in Ubuntu 12.04?

I have Ubuntu 12.04 installed along with windows 8.1. I recently changed the wireless router at my home and following changes occured: Initially Ubuntu didn't detect my wireless network and but once ...
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2answers
32 views

How do I recover my access to google groups?

Since creating a google group and setting up a non-privileged alias logon, I now the following error message which revokes my access to all of my groups: - "This Connection is Untrusted You have ...
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server cs1.6 vps amazon ubuntu dont work

I have a problem with my amazon Ubuntu VPS. I tried to open cs1.6 server. I opened a port 27015 :iptables -I INPUT -p udp --dport 27015 -j ACCEPT and it's done. I put this command in putty : ...
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Frequent internet disconnection in Ubuntu 15.04

I recently installed Ubuntu 15.04 in my laptop(DELL Latitude E5540). I am facig frequent internet disconnection, both in LAN and WiFi. None of the others in my network is facing any such issue. ...
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19 views

Configure separate SSH access on multiple interfaces for SPA

I'm trying out SPA with a client and a server machine that has 2 ethernet interfaces eth0 and eth1. I want to enable separate SSH access on both interfaces that are configured with their own static ...
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1answer
17 views

Cannot connect to wired connection after clean install (both 14.02 LTS and 15.04)

I just built a new PC and successfully installed Ubuntu without any errors. However, I cannot seem to connect to a wired ethernet cable. The ethernet works, because I can plug it into a different ...
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27 views

Config multiple IPs for apache server

We have a Rootserver and the Support guy told us "you have 5 IPs and I configured one" Now I edited the file /etc/network/interfaces to following: # This file describes the network interfaces ...
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boot delays - old ssh connect to host messages connection timed out

I tried searching for a solution elsewhere, but nothing looks like this problem. After restarting our server, we get boot messages such as the following: ssh: connect to host dev.contractor.com port ...
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1answer
14 views

Configure two ipaddress from same subnet using 2 Bridged adaptor VirtualBox

I have configured 2 interface with 2 Bridged adaptors in Virtual Box from same subnet, the /etc/network/interfaces file configuration for two bridge network is shown below. auto eth0 iface eth0 inet ...
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BigFishGames client can't connect to internet

I'm running Wine, and PlayOnLinux. I have an internet connection, or I wouldn't have been able to install either, download the client, or post here. I downloaded the BigFishGames client, and ...
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15 views

How can I get rid of Dns bad config Error

I am browsing the internet and its working fine but every now and then when a page is loading I get this DNS_PROBE_FINISHED_BAD_CONFIG error or ERR_NAME_NOT_RESOLVED error only when I reload the ...
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3answers
32 views

How to detect and implement wireless drivers on Gateway MX6446 Laptop?

I recently installed Ubuntu on my friend's laptop because Windows wasn't running well, but the wireless hardware may not be detected, or I may not have the appropriate drivers(?). I tried these ...
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Different SOCKS proxy for each local machine

I have a local network of N hosts, connected to a local router running Kerio. I also have a Hetzner server running, which is authenticated to access a number of SOCKS proxies. I'm looking for ...
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1answer
23 views

How do I get my wireless card working

Hello guys I have problem with changing wifi channel on my wireless card. I am in Norway at the moment and I live in Bosnia, when I came here I can't find home network. My theory is that I have ...
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0answers
23 views

Routing traffic over p2p1 and tun0 correctly

I have been trawling these questions and trying many different solutions to get this working, but I seem to have a problem with getting my routing set up correctly. I have a box installed in a network ...
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12 views

USB Mobile internet and ethernet not recognized on Ubuntu 14.04

I'm having problem with recognizing ethernet and Mobile internet. I am able to connect to wifi, but Ubuntu 14.04 doesen't recognize ethernet and Mobile. My ethernet cable is pluged in, and so is my ...
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22 views

Beaglebone: usb0 interface not showing up

I recently installed Ubuntu 14 on my BeagleBone from armhf.com. However, I'm unable to ssh into my Beaglebone over USB. Running ifconfig, I discovered that there is the usb0 interface is not showing ...