Managing and using network connectivity on a Ubuntu system

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27
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3answers
14k views

connecting to archive.ubuntu.com takes too long

I have a Ubuntu 11.10 server that I just installed fresh. Now if I try to do anything with apt-get, it tries to connect to archive.ubuntu.com .. It stays at [Connecting to archive.ubuntu.com ...
0
votes
0answers
4 views

Ubuntu Charles Proxy Mobile Devices IOS/Android

Are there any more configurations needed to be set for Charles Proxy to work on Ubuntu with mobile devices to capture the traffic? I have installed Charles Proxy on Ubuntu and launched it with sudo ...
1
vote
1answer
14 views

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 ...
0
votes
0answers
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 ...
0
votes
0answers
18 views

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. ...
0
votes
0answers
19 views

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 ...
0
votes
0answers
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: ...
1
vote
2answers
54 views

D-Link DWA-130 rev E1 RTL8191SU hard time connecting

I have a D-Link DWA-130 rev E1 with a RTL8191SU chip set. Under Ubuntu 14.04 it will connect to the router occasionally, most of the time it tries and fails over and over. It seems to connect with out ...
0
votes
0answers
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 ...
2
votes
1answer
30 views

D-Link DWA-130 rev E1 RTL8191SU Wont Connect to Network (14.04)

Having a problem with getting my D-Link usb Wi-Fi dongle to connect to my wifi network. The dongle works, it scans and gives back the SSID's that are available, however when I try to connect, it ...
2
votes
2answers
43 views

Realtek RTL8723BE Wifi Disconnecting After few minutes

I have Realtek RTL8723BE Wireless LAN. I am successfully connected to a network and doing works for minutes. Suddenly I noticed after few minutes that not a single page is opening, showing resolving ...
0
votes
0answers
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 ...
0
votes
0answers
26 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 ...
0
votes
1answer
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 ...
0
votes
1answer
40 views

Install network drivers in Ubuntu 14.04 LTS 32 bit

I installed 32-bit Ubuntu 14.04 LTS in my laptop. Some one please help me to install network drivers. Is there any commands or source code to apply in terminal. I want to install both WiFi drivers ...
0
votes
1answer
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 ...
0
votes
1answer
83 views

How configure bridge between two interfaces in ubuntu server 14.04?

I am trying to configure bridge between two interfaces em1 and em2 in ubuntu server 14.04 . but it does not work. it is may configuratioan : auto em1 iface em1 inet manual auto em2 ...
0
votes
1answer
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 ...
-1
votes
0answers
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 ...
0
votes
1answer
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 ...
0
votes
0answers
8 views

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 ...
0
votes
0answers
22 views

*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 ...
1
vote
1answer
18 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 ...
0
votes
0answers
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 ...
0
votes
0answers
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 ...
0
votes
0answers
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 ...
0
votes
5answers
3k views

Configure WIreless Hotspot Ubuntu 14.04 Trusty

I would like to turn my laptop (Ubuntu 14.04 - Trusty) into a wireless hotspot. So i linked my laptop to my router with an Ethernet cable, I went into System settings > Network > Wireless. I selected ...
0
votes
0answers
5 views

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 ...
1
vote
1answer
226 views

Ubuntu 15.04, Asus Flipbook TP500LN No Internet and touchpad did use NDISwrapper

So I installed Ubunutu 15.04 on my Asus Flipbook TP500LN, but I don't have acces to wi-fi (ethernet does work). Now I read about Ndiswrapper, I installed the program and used it to install my wi-fi ...
0
votes
2answers
284 views

Ubuntu Network on startup

Network on my Ubuntu 12.04 is not getting initialized at startup. How can I force Ubuntu to initialize network upon start-up? I am new to Ubuntu and have very limited understanding of files like ...
0
votes
0answers
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 ...
1
vote
1answer
82 views

HP 15-r212nl Wifi random disconnect on Ubuntu 14.04 LTS

after a short delay (that can be 5 or 30 min) the internet connection (WiFi) stop work and i can't load any page. This happen with any modem that i had tried (home, friend and university modem). The ...
1
vote
1answer
486 views

ethernet controller not working on new dell vostro 2520 laptop

I am very new to ubuntu. just today I when i tried to plug in my lan cable it was showing nothing . the result of sudo lshw -C network showing Ethernet Controller under *-network unclaimed. In ...
1
vote
1answer
314 views

Wifi speed dropping for HP Pavilion 15-n097sa

I recently moved to Ubuntu 14.04 from Windows 8.1. I have quite a problem with my WiFi speed dropping. When I checked it at speedtest.net it went from 30Mbps to less than 1Mbps then goes up again to ...
1
vote
2answers
1k views

Realtek RTL8723be Wifi and Bluetooth 14.04

I just installed the OS on my laptop and at first wifi didn't work. After connecting to ethernet and updating everything, the wifi is working. But it disconnects here and there and requires me to ...
0
votes
0answers
16 views

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 ...
1
vote
0answers
17 views

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 ...
7
votes
3answers
97 views

How to persist on a wifi connection after disconnection?

I've got a Ubuntu machine running a software that requires internet. However, sometimes the wifi fails (router reboot for example) and doesn't find the network again, until I manually service ...
1
vote
2answers
5k views

How to ssh from windows to my ubuntu machine in the local network

When I'm trying to ssh to my local ubuntu server from the gitbash on my windows machine Im getting this error: $ ssh 192.168.1.11 ssh: connect to host 192.168.1.11 port 22: Bad file number Other ...
0
votes
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 ...
0
votes
1answer
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 ...
1
vote
1answer
452 views

Connecting Ubuntu Server 12.04 to public network (internet access)

I have installed Ubuntu Server 12.04 on my computer. I want to setup my dedicated server for web server and also I already have my own domain for web hosting company. I followed these instructions ...
0
votes
1answer
92 views

Wireless not working on hp-mini with ubuntu 14.04

I'm currently trying to get wireless working on a hp-mini which has a broadcomm chip. I have tried several approaches found here and it looks like the interface is recognized, but still see no ...
0
votes
1answer
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 ...
0
votes
1answer
6k views

TFTP Error code 1: File not found

When I'm sending a file through TFTP remotely, it shows an error like tftp> put MYMIBTable.txt /home/amsys/Desktop/ Error code 1: File not found What is the problem? What is the ...
1
vote
4answers
8k views

Can't ssh into server, connection refused

I can't ssh into my server. The server is on a private network administrated by me. Ubuntu is version 14.04. This started when I changed to a wired ethernet card. The client is MobaXTerm (latest) ...
0
votes
0answers
12 views

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 ...
1
vote
1answer
3k 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 ...
0
votes
3answers
17k views

Is it possible to install Ubuntu through network?

I would like to install Ubuntu for almost 120 users. But it's very difficult in using USB and drives. please suggest ....
1
vote
2answers
8k views

SSH: Connection refused from windows but NOT from linux

I have an issue when I try connecting to my Ubuntu server from local network. when I try to connect from my PC (static IP) with win7 and putty, I get Network error:connection refused But when I ...