Managing and using network connectivity on a Ubuntu system

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817 views

Wireless Dropping Out Using Intel 7260AC Card (Deauthenticated - Reason 7)

I have recently bought a new laptop and it has an Intel 7260AC wireless card in it. I am getting regular wireless dropouts occurring at no specific interval. AFAIK this only occurs at my house. ...
4
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0answers
269 views

Setting priority of wireless networks in KDE Network Manager

Is there a way to determine the priority of wireless networks? The KDE networkmanager applet works fine, but it often connects to the WRONG wireless network by default when multiple networks are ...
4
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0answers
3k views

Integration multiple internet connections ISPUnity vs Ubuntu Bonding

I have Ubuntu 13.04 with 2 ethernet cards and a WiFi card. I also have 3 ISP connections. I have to configure linux to use all 3 connections. My main concern is to increase outgoing bandwidth (FTP ...
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0answers
154 views

DHCP server on subinterfaces

I have created two subinterfaces on eth0 : eth0:0 with IP 192.168.10.1/24 eth0:1 with IP 192.168.11.1/24 Configured /etc/dhcp/dhcpd.conf like that: option domain-name-server 194.204.159.1; ...
3
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0answers
125 views

Redirect traffic flowing into SSH server to privoxy, then to TOR

I own a Ubuntu VPS that I am using for SSH tunneling. I want the traffic to be redirected to TOR network. Some research showed that I can do it by using Privoxy, that will accept traffic from SSH ...
3
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0answers
89 views

How can I block one or more websites from the command line, especially for Google Chrome?

I teach in a school and have a cart of laptops that I set up with Edubuntu 12.04. I am using LanSchool to monitor their screens, remotely control them, blank their screens, etc. The functionality is ...
3
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0answers
243 views

Ethernet doesn't work after upgrading from 14.10 to 15.04

I just upgraded from Ubuntu 14.10 to 15.04. The ethernet is now longer recognized. If I open Network from System Settings and click on Wired, it shows Wired Disconnected - 1000 Mb/s Hardware Address ...
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0answers
178 views

How to wake my PC with any packet, not just a magic packet?

Currently, I can wake my PC by sending a magic packet from another device on the LAN. However, the PC will not power on when I send the packet from outside the network (WAN), even though I have my ...
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2k views

Configuring Huawei E3276 modem

I'm having trouble with my mobile broadband modem (Huawei E3276) on Ubuntu 14.04. lsusb output: Bus 002 Device 024: ID 12d1:1506 Huawei Technologies Co., Ltd. E398 LTE/UMTS/GSM Modem/Networkcard ...
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0answers
3k views

UFW for OpenVPN

I want to configure ufw (uncomplicated firewall) for OpenVPN. Connections are only allowed through OpenVPN. Everything else should be blocked. So if OpenVPN is disconnected -> no internet! I found ...
3
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0answers
320 views

(32) Ad-Hoc mode is not supported by this device. - 13.10 on i5 NUC

Not sure if this is an Ubuntu issue or intel issue. Any insights will be appreciated. I have an intel NUC (D54250WYK) w/ intel 7260 wireless adapter and Ubuntu 13.10. I can connect to my local ...
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502 views

Juju bootstrap node can't access Ubuntu archives via MAAS

I am trying to install MAAS and Juju on VirtualBox. The network configuration of VirtualBox is set to NAT Network. Everything is just fine. I am able to PXE boot. But when I start juju bootstrap, ...
3
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0answers
353 views

Ap-hotspot fail

I've been trying to create an AP wireless network from a usb wifi transmitter. I have been using ap-hotspot to do so. It has got no further than this message on debug mode: Adding system startup for ...
3
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0answers
105 views

Autentication throught digest proxy

and sometimes I need to download files (and do other things) throught the command line, I have always declared the environment variable http_proxy, https_proxy or ftp_proxy too in that way: export ...
3
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0answers
558 views

iwlwifi on lenovo z570 disabled by hardware switch

It was working fine with windows 7. The hardware switch is not disabled. I've toggled it back and forth dozens of times. The wifi light never turns on and it always lists as hardware disabled. I have ...
3
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0answers
1k views

NetworkManager in disconnected state

There seems to be a problem with my network drivers. Neither eth0 nor wlan0 are recognized, and I'm running 13.04 over the 3.8.0-27-generic kernel. Here's some diagnostic information: ifconfig ...
3
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0answers
1k views

wifi connected to android via laptop but internet is not coming

I have started wifi in my ubuntu using this process and is equivalent to ap-hotspot and I am able to connect my rooted android device to my laptop via wifi but I am not able to get Internet connection ...
3
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0answers
286 views

Installing Fritz Wireless USB Adapter

How do I install a Fritz USB wireless adapter on Ubuntu so I can access the internet? I have the software required, but I am not sure what to do next. Ubuntu version 13.04. Output of lsusb: ...
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0answers
2k views

Error During Apt-Mirror Unattended Install Of Ubuntu Server 12.04 Over Network Using PXE

I'm attempting to PXE boot and completely rebuild a new server with an "Ubuntu 12.04 Server" image over the network using apt-mirror but I get multiple errors mid-way through the installation. I am ...
3
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0answers
499 views

How to share a Vpn Internet connection

follow my scenario: Router Internet without possibility to configure a VPN Laptop Ubuntu with wifi and ethernet. Configured on it a VPN. Other device where i cannot install a VPN. I would like ...
3
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0answers
8k views

Ubuntu 12.10 - “the system network services are not compatible with this version”

Fairly new to Ubuntu, know my way around, but novice user. Started my Laptop running Ubuntu 12.10 this morning, and no wireless or Eth. Look at Network Manager and this message: "the system network ...
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644 views

Network Connection Failure: “network disconnected”

I'm using Ubuntu 12.10, and have a Zantel modem (model: Huawei ec122) which is a cdma modem. I have been trying to connect to the internet but every time it loads it says "network disconnected" Does ...
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0answers
837 views

Set master mode on a realtek rtl8192ce

The supported interfaces of the network adapter include also AP. But when I try to set the card on Master Mode with iwconfig wlan0 mode Master, I get the following error: Error for wireless ...
3
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0answers
3k views

Playing Age of Empires II multiplayer in VirtualBox Over wi fi network

I installed Age of Empires II (Expansion) in VirtualBox (hosting Windows XP). It works great in single player mode. Unfortunately, I tried playing multiplayer via WI-FI which I created on my Ubuntu ...
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0answers
2k views

How can I configure a Canon Pixma MG5300 to print wirelessly?

How can I configure a printer to print wirelessly in ubuntu 12.04 ? I have a canon pixma mg 5300 series, and I am able to print correctly by usb (the drivers were installed). Now I'm trying to do it ...
3
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0answers
853 views

How can I tell Ubuntu to keep the correct routing table?

Ubuntu sets a wrong routing table if the router is switched off and on again: Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.1.1 0.0.0.0 ...
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0answers
25 views

Why isn't NSS using mDNS?

I have a machine that is unable to resolve hostnames over mDNS: ### mDNS is working $ avahi-resolve -n foo.local foo.local 1.2.3.4 ### NSS is configured to use mDNS $ grep ^hosts ...
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0answers
46 views

Making a wifi adapter RTL8192eu work on Ubuntu

I bought a wifi adapter for my raspberry pi, but I have problems making work on raspberry pi. I tested it on a PC running Ubuntu. It has exactly the same behavior, as follows: When inserted, lsusb ...
2
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0answers
27 views

Ubuntu Server: Limit total downloaded data per client

I have an Ubuntu server set up as a gateway for lots of clients, which connects them to the Internet. I want to impose transmitted data limits on each of the clients (or IP address), e.g. 10 ...
2
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0answers
17 views

pptp tunnel stalling with qbittorrent

Sometimes i like to have an extra layer of anonymity when downloading files from p2p networks using the torrent protocol. I establish a pptp conection using Debian PPPD, have a look at the settings ...
2
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0answers
12 views

Having a weird network issue

I am using xubuntu 14.04.02 on a new build. Networking works great except when accessing any ubuntu site. For example, I can stream several videos and pandora at the same time with no problem. When I ...
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0answers
97 views

Wifi stops working randomly after a while on ubuntu 14.04LTS

I shifted from windows to ubuntu for first time on HP r-15 laptop and dual booted ubuntu 14.04 LTS with windows 8.1.But i am having problem with wifi.I can connect to wifi without any problem but ...
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0answers
41 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 ...
2
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0answers
50 views

For a 32-bit Ubuntu 14.04 install, How to install Broadcom wireless 32 bit drivers offline

I have found the steps for doing this with the 64 bit installation of Ubuntu, and I assume that the steps are the same for the most part with the exception of the actual files used. I need some ...
2
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0answers
72 views

Problems with unstable wireless (Ralink RT5392)

I am having trouble fixing an unusably slow wireless network on a new PC with Ubuntu 14.04 LTS installed. After a while I have no network connection. It works if I restart my computer (still slow), ...
2
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0answers
135 views

Not able to get my Huawei E303f USB modem working on Ubuntu 14.04

I have been searching for a way to get my USB modem working. I am on ubuntu 14.04. I know that ubuntu takes these modems as a mass storage device at first. Therefore, I used modprobe and ...
2
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0answers
69 views

Vpn problems with Ubuntu 12.04 are driving me mad. What further issue(s) could be contributing? And how do I fix it?

I'm using Ubuntu 12.04 and have had to manually configure my vpn since the network manager just wont connect for unknown reasons. Additionally I cannot use openvpn or vpnc as I don't have assess to a ...
2
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0answers
66 views

QEMU-KVM with VLANS and no bridges

Please be gentle, I'm both a novice Ubuntu user and novice networking guy. I'm trying to put together a virtual server to support a couple of telephony applications at my office. Both applications ...
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0answers
31 views

Just installed Ubuntu but can't connect to any network whatsoever

I just today got a new System 76 Lemur laptop, with Ubuntu 15.04 pre-installed. Every time I try connecting to a network, wired or wireless, it looks like it's connecting and then tells me it is ...
2
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0answers
157 views

Ubuntu 15.04 disconnects from virtual networks after wakeup

After upgrade to Ubuntu 15.04, I see the same behavior with VirtualBox and VMWare Workstation. After the system is waked up from suspend, there's neither vboxnet0 nor vmnet8 devices in the output of ...
2
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0answers
38 views

Bringing up interfaces on ceph nodes

I have machines under MAAS with 4 interfaces. I want to configure my ceph nodes to use two networks that are not the pxe boot network. MAAS doesn't "up" all of the interfaces when a machine is ...
2
votes
0answers
90 views

Cisco AE2500 wireless adapter not recognized after reboot

I have used a lot of threads in here to make it work, but since the internal wifi is working, my AE2500 gets the name wlan1 instead of wlan0, which means (as i understand it) that it will only work ...
2
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0answers
150 views

14.04: Clicking a VPN connection in the network icon menu does nothing

This is identical to (Open VPN connection doesnt work after reboot Ubuntu 14.04) with the one exception that it is a PPTP connection and not OpenVPN. Usually when I click a connection in the menu the ...
2
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0answers
191 views

Can't connect one type of modem that is Huawei HG552e (Ubuntu 15.04) - I tried all solutions on the forum, but didn't work -

I'm using Ubuntu 15.04, My computer cannot connect to a specific WIFI network, but it's connecting to this network using an ethernet port. Also when I open my computer with Windows 7, it can connect ...
2
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0answers
110 views

cat: /var/lib/misc/dnsmasq.leases: No such file or directory

I've searched all over the internet, but couldn't find any answers of my problem.. I want to connect my Raspberry Pi to my laptop. But whenever i try to check the ip address of my raspberry, i get ...
2
votes
0answers
154 views

RTL8812AE cannot connect to 5ghz networks

I recently purchased a PEX867WAC22 PCI-E wifi card from StarTech (RTL8812AE), and have not been able to connect to any 5 ghz network due to authentication timing out. The driver it comes with is only ...
2
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0answers
48 views

how to set set up TFTPD and DHCP for PXE like booot

I am trying to setup tftpd and dhcp to assign IP address to router and then to pass the server and path to kernel image, which will be booted. All the guides I have located tell me to install and ...
2
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0answers
34 views

Why My ZTC Grameenphone internet 3g is mount failed?

My ubuntu version is ubuntu 14.04 lts. When I'm plug in the device then following massage are show: Error mounting /dev/sr1 at /media/mohammad/GP Internet: Command-line `mount -t "iso9660" -o ...
2
votes
0answers
25 views

USB stick breaks the network access

Recently I've got a brand new Sandisk Extreme usb stick. It contains a NTFS file system and a encrypted NTFS folder that I can read/write on a Windows machine without issues. But when I plug it into ...
2
votes
0answers
96 views

Host to Guest one way connection issue

I have guest run on my machine on qemu with configuration: /usr/local/kvm/bin/qemu-system-x86_64 -enable-kvm -cpu host -smp 8 -hda ${TEST_VIRT_ENV_IMAGE} -m 4096 -netdev user,id=user.0 -device ...