Managing and using network connectivity on a Ubuntu system

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How can I use my linux machine that is connected to wifi as a router so that I can connect my oscilloscpe to it via eth0?

Here is how I setup my network configuration on both devices For Linux comp: wlan0: WiFi Link set to DHCP eth0: Static IP: 192.168.1.254 Netmask: 255.255.255.0 Default Gateway IP and ...
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Roaming not working lost for 5 seconds wifi connection intel 7260 on the thinkpad t440p only when there are multiple AP ruckus + zonedirector

I have disconnections every 5/10/20 min random from WiFi only when I'm in a space where there are multiple AP(Ruckus + Zonedirector) with the same SSID. When there is only one AP(Ruckus) is stable. ...
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kubuntu 15.04 wifi problem (lenovo T420)

I have a Lenovo T420 laptop, I have recently upgraded from kubuntu 14.4 to kubuntu 15.04 and since then I have problems with wireless connections, when trying to connect to a wireless network that I ...
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11 views

ip packet forwarding in Debian

I have physical network setup with machine A<---->B<----->C..IP and ethernet configurations are summarized as following: A(eth0: 10.10.10.2)<--->(eth0: 10.10.10.3)B(eth1: ...
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8 views

Solaris Guest VM on Ubuntu 14.04 KVM Setup, unable to get DHCP IP nor able to reach network

I have a solaris VM running on Ubuntu 14.04 LTS KVM. I'm using bridged networking. VM is unable to get IP address, on sending DHCP request i'm able to see requests going through bridge br0 and replies ...
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5 views

Icecast on virtualbox ubuntu through router

I'm using icecast2 server on my virtual ubuntu machine and i want it to become available to connect by entering myIP:port, but i have router. I made port forwarding settings on my router to connect to ...
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25 views

Make Ubuntu 15.04 start/stop using an extra DNS on demand [duplicate]

On my Ubuntu 15.04 machine I have Docker.io and Weave installed. Weave creates a virtual network where Docker containers run and adds an extra network interface ethwe: $ nmcli con show NAME ...
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8 views

How should Juju conect to MaaS nodes with two networks?

I am sure this has been asked and answered before but I've looked around and don't see it. I have a MaaS cluster with two deployable nodes. In addition to the ILO IPMI interface, each box has ...
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10 views

Which program in ubuntu shows network usage at unity panel top-right beside the indicator?

In my University Computer I saw a program in ubuntu which constantly monitored and displayed the network traffic(Download and Upload speed) in the top-left side ,at the indicator. But I couldn't get ...
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14 views

Converting .pcap files to .txt using tshark

I am trying to convert my .pcap packet capture files generated by tcpdump into a text format. I am getting a permission error whenever I try to convert the .pcap file or even just port ">" the stdout ...
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18 views

Invasion (desktop share)

I had forgotten desktop share enabled and marked to always ask to allow users to see my desktop . Today a message appeared on my screen : Another user is trying to connect and options refuse or allow ...
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WLAN conn. not working after app. 30min

Just at the beginning: I'm a totally noob with Ubuntu. I got it about 1h ago so i don't know anything basically. Also my English is not the best so i hope you'll overlook it gentelly ;) So here is my ...
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6 views

Cannot start an Urban Terror LAN server. Game hangs and I have to restart PC

I'm trying to make an Urban Terror 4.2 LAN game server to play together on computers connected to the same router. I'm trying to use the graphical way. The game just hangs when I hit the start server ...
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6 views

Allow internal urls while on VPN and proxy

I am currently using Ubuntu guest in Windows host using virtual box.I enabled proxy on ubuntu, when I am connected to office network or on VPN, I can't reach internal company urls from guest. I get ...
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*SOLVED* Update to 3.13.0-53-generic failed Help!

So, Ubuntu 14.04 LTS reported some updates when I logged in today. One of the upgrades was for 3.13.0-53. Ever since trying to upgrade, I can no longer login to the GUI and it appears as if my video ...
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12 views

connected but no wireless

I have installed some ubuntu OS from a USB driver. Everything is going fine except the internet connection. The system says that I am connected (wired connection) but when I ping anything, I get no ...
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Networking is not working with Ubuntu installation on Mustang dev board

The board had a static IP assigned to run OpenEmbedded and to run the Ubuntu 14.04 installation on the Mustang board. However, when Ubuntu boots up, there is no network connectivity. I tried it with ...
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Setting all files and folders that will be created in a certain directory to have read and write access by 'Others'

I've recently switched my uTorrent on Windows 7 torrent download/seeding machine to a Deluge on Xubuntu machine with Samba (to allow sharing with Windows PCs). I am using Nautilus as my file manager ...
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31 views

Setting Permissions for /var/www on a local server running Ubuntu Desktop to share writing privileges with other computers on the local network

I've been struggling like hell for 3 days now, can't figure what I did wrong... EDIT 3: I think my question is more specific than I thought, so I have a new thread here: Make owner of newly create ...
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reaver stucks at 90

Directly starts on 90% whatever I do….if I let it continue it will stuck on that forever with fix pin, if variable option is given it will stuck at 99%. I had previously successfully used the same ...
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1answer
17 views

network acces from a ubuntu client to servers

I use ubuntu 15.04 and absolutely new to this OS. This is first time to use Linux OS as a personal desktop OS. Before that, I used to use windows for years. Now I was asked by my client to connect ...
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1answer
17 views

Problem with deluge “no incoming connection!”

I've been seeing the message "No incoming connections" at the bottom of my deluge program, but not in the web deluge, i tried turning firewall off and see if it removes, but it did not work. i ...
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Why can I not be heard in my own Mumble server?

I have seen similar questions and have not found a solution to this issue I have been having. So I set up my own Mumble server via sudo apt-get install mumble-server and then configuring the root, and ...
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17 views

System Monitor Network Speed Not Matching Online Tests

The upload/download indicated in System Monitor is always about an order of magnitude lower than what is reported by online tests such as speedtest.net or att.com/speedtest Does anyone know why this ...
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33 views

No network devices available eventhough I can online

I have access to the internet... But I couldn't see or choose or add any wifi connection Cause it shows no network devices available under my network icon *-network ...
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dnsmasq giving out IPs in the static range

I have the following in my dnsmasq.conf: dhcp-range=set:red,10.1.1.2,10.1.1.69,72h,static dhcp-range=set:blue,10.1.1.70,10.1.1.100,72h,static dhcp-range=set:white,10.1.1.101,10.1.1.200,12h ...
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29 views

Ethernet Network is disabled in 14.04LTS

When I first used Ubuntu 14.04LTS, I could use the ethernet network option in the network menubar to connect with lan, use the ftp server or browse another pc to share anything. I just need to connect ...
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Question with connecting to Docker container on virtualized Ubuntu server

As a web designer I have been using VirtualBox to set up temporary work servers for my projects. Lately I've been trying to reduce the number of virtual machines on my laptop(due to limitations of ...
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No Keyboard, no network after power-out 14.04 LTS Server

After a power-outage, the server rebooted OK, but fails to set up networking and the USB keyboard no longer worked (A bit of a hinderance as I then have no way to access the machine). I tried several ...
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1answer
20 views

iwlist set essid -> Operation already in progress

I am trying to connect to an AP with iwconfig in the command line: sudo iwconfig wlan0 essid "APname" Every time I execute it, I got the following errors: Error for wireless request "Set ESSID" ...
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36 views

Finding all used IP addresses within a LAN without assigning an IP address to your NIC?

Is there any way that you can find all the IP addresses within a LAN without assigning a IP address to you NIC? I know most of the tools like angryipscanner, arp-scan, nmap and others can mostly ...
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30 views

Connect to network - network is unreachable

Although I am able to browse the net just fine I keep getting network unreachable when I run a download using my Java program. It was working fine till yesterday but now it is suddenly giving me ...
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22 views

Trouble installing Realtek wireless driver for rtl8723be [duplicate]

I've just installed Ubuntu on an HP Pavilion and I'm having difficulty with the wireless driver. Initially, the connection would drop after a couple minutes of connectivity. I tried several ...
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19 views

Folders, shares and permissions

I want to organise my home network for my family, so: kids get their own login (probably on a Windows machine). Kids get read/write access to their own folder. Kids get read-only access to a folder ...
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1answer
22 views

Connectivity issues with wifi 14.04

I installed ubuntu 14.04 and my wireless connection keeps getting dropped, and the speed is terrible. I have tried blacklisting the rt2800 drivers along with the rt2x00 drivers which has been a ...
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14 views

After PXE Booting Ubuntu 14.04 Desktop Eth0 Gets No Response then Kernel Panics

I've been experimenting with PXE booting so that if any of the systems on my home network crash I can rescue boot them into an OS off my Home Server. As a test i'm trying to PXE Ubuntu 14.04 Desktop ...
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Trouble with keyboard wireless swith

I just recently installed 14.04 LTS on an old Acer Aspire 5750z-4882. This model uses fn+f3 as the wireless switch to enable or disable wireless. Currently, no wireless adapter is detected by the OS. ...
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48 views

How to fix repeated “Authentication required by Wi-Fi network” [Broadcom BCM4323]?

END RESULT******Netgear WNDA 3100 wifi stick will only connect to a network with no password.****** I am finding solutions all over the web, I have been searching for hours. However the people that ...
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11 views

packets exchanged during a DNS

Hello I have set up a DNS server in my lab. I have a doubt regarding the packets that get exchanged. I have my client from where I am trying to ping a domain. My resolver (service unbound) is running ...
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23 views

ubuntu wireless connected but wont load websites - 14.04 LTS x64

I'm a beginner when it comes to linux and i've already read through and tried out everything i have found in countless other threads. So keep in mind that i might have made more problems for myself. ...
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1answer
26 views

How to setup a local web server to connect from another machine

I would like to setup a local network with one Ubuntu server and multiple clients(Ubuntu desktop). I need to install web server (lamp) in server and all Client machines needs to access the web server ...
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29 views

Qualcomm Atheros ar9227 wireless network adapter [168c:002d] (rev 1) does not work properly

I installed ubuntu 14.04 and the internet does not work properly,it can detect and connect to networks but it loads web pages very slowly and sometimes it doesn't even load at all, and I always get ...
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7 views

jre not installed on firefox when using Citrix Access Gateway

I'm trying to get to my vpn / citrix access gateway using Firefox 38.0 for Ubuntu Canonical 1.0 Ubuntu 14.04 and when I try to log in I get this error: JRE is not installed on your machine. Install ...
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Can Ubuntu work with a Belkin N150 Wireless USB Adapter out of the box?

I don't have Wi-Fi on my motherboard, so I'll need Ubuntu to support a wireless N150 USB adapter to connect to the router. Can Ubuntu 15.04 support this out of the box (without a need for updating?) ...
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Where is network directory mounted (direct path)?

I connected to a server using sftp from within Ubuntu's file manager ("Files", is it?). Now I'd like to know where it is actually mounted within the Linux file system (i.e. a mount point like ...
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30 views

Lubuntu No Wifi & No Reboot/Shut Down

I'm pretty new to Linux and Ubuntu. I just installed the Lubuntu on my mother's old laptop to replace XP. But after the installation I was unable to connect to wireless network. For at least a week ...
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7 views

adding route to a tree of networks from top level network going down to lower networks

Ok so I have a very complicated network... As I am a network specialist so this may sound weired coming from me. I have a tree network like so r1 top network and the network I am making the routes ...
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27 views

Ethernet Network card BCM4401-B0 no longer recognised?

I updated Ubuntu to 14.04 LTS and I can no longer see my network - No network devices available shows in the network drop down menu. Networking is enabled and if I choose to boot my Dell Inspiron 1300 ...
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17 views

driver for wlan pls help i am tired searchin for them

used airmon-ng; showed chipset unknown; can anyone pls help me get the right drivers. Although i am able to use wifi card to access wifi but not able to use my card in airmon-ng on typing ...
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1answer
13 views

Problem with MAC Spoofing

I am changing/spoofing my MAC using sudo ifconfig wlan0 down sudo ifconfig wlan0 hw ether xx:xx:xx:xx:xx:xx sudo ifconfig wlan0 up But the problem is When I try to connect the AP it do not allow ...