Tagged Questions

Managing and using network connectivity on a Ubuntu system

learn more… | top users | synonyms (1)

0
votes
0answers
11 views

Rack number in Hadoop

I have hadoop cluster with 9 nodes. All belongs to /default racks. But I want the setup something similar to this. (All are in same subnets) Rack 0: DataNode1,Datanode2,DataNode3 and top of rack ...
0
votes
0answers
27 views

The /etc/resolvconf/resolv.conf.d/head configuration doesn't do anything

I'm trying to get a persistent name server for my Ubuntu 14.04 LTS machine. Every time I reboot my computer or run sudo service network-manager restart the name server in the /etc/resolv.conf changed ...
0
votes
0answers
7 views

setting up slip interface

I have FTDI serial converter device connected to the usb port of my machine , I want to create a slip interface between the serial device and the virtual network interface (something like tunslip). I ...
1
vote
1answer
45 views

Network Menu missing in top Menu Bar in ubuntu 14.04 LTS

I have recently install 14.04 and the noticed the usual network indicator icon (little wifi icon) which allowed me to connect wifi, broadband and wired is no longer available. Is there a way of ...
0
votes
0answers
7 views

How to timestamp TX/RX/IDLE state of my TP-Link WN722N

I'm working to develop a new Networking protocol in AdHoc Network, I need to timestamp activity in the driver when start/ stop TX, RX, and IDLE states, I'm working in Ubuntu 12.04 with x86_64 platform ...
0
votes
1answer
28 views

How to connect to internet Ubuntu server command line 14.04

Hello guys I'm very new with Ubunu (well linux in general) and I'm trying to to connect to the internet with a AES3000 wireless adapter, I had already setup the whole server(ubnut server 14.04 ...
0
votes
1answer
103 views

14.10 Wi-Fi connection problem

I recently started to experience problems with my Wi-Fi. I have Ubuntu 14.10 on a Dell Inspiron N4110. I recently began experiencing problems with my Wi-Fi. It would take randomly to stop and ...
0
votes
1answer
60 views

Unable to Make Network Connection!

I am brand new to Ubuntu, and have just made a dual boot system, running Windows 7 as well. During the Windows installation, Windows was able to automatically search for a WiFi access point, but ...
0
votes
0answers
31 views

No wifi until eth0 is disabled

I can connect to every wifi-network without any problems. But no data is transmitted until I turn off eth0 manually by sudo ifconfig eth0 down. This is a bit annoying so I was wondering whether there ...
0
votes
0answers
50 views

Moving documents folder to a Windows Network Share

Well I've recently switched to Linux :) I'm enjoying it so far! Back in my old Windows set-up, I used to have all my documents saved on a network computer in a folder that corresponded to the ...
0
votes
1answer
26 views

Unable to set up DHCP and TFTP

I want to transfer my kernel image to beaglebone black, and the guide mentions that I should have already set up DHCP and tftp on the host machine. I have set up the TFTP using: sudo apt-get install ...
0
votes
3answers
71 views

No Internet connection on Ubuntu 14.04

I just installed Ubuntu on my laptop Lenovo Ideapad Z510, and no Wi-Fi connection is found by ubuntu. I tried to find a solution, but I didn't solve my problem. Can someone please help me? Thank you ...
0
votes
0answers
13 views

Wireless connections added out of nowhere

I am using Ubuntu 14.04. On the top bar is the time, battery life, and my networking connections. When I select networking connections, I notice that there are wireless connections that I have never ...
0
votes
1answer
13 views

network manager: the script you are attempting to invoke has been converted to an Upstart job

I'm using Ubuntu 12.04. My wired connection did not work. I edited the config files and I restarted network-manager with: sudo /etc/init.d/network-manager restart. The connection started, but it ...
0
votes
1answer
34 views

Wireless Atheros Qualcomm AR9285 not working

My WiFi doesn't work. However, a driver is claimed. There is no soft nor hard block. The laptop I'm dealing with is a Lenovo B570e. On the link below you can see this is a verified laptop for the use ...
-1
votes
0answers
9 views

superuser while installing MaaS is not giving other(clusters,networks,zone,images) options

i am setting up a private cloud using ubuntu. But i am facing a problem that i am not getting options(clusters,networks,zone,images)like is there on : http://maas.ubuntu.com/docs/install.html what is ...
0
votes
1answer
24 views

Help Connecting Ubuntu Server 14.04 VM/postgres to postgreSQL workbench on localhost?

I'm new to SQL and am trying to configure and Ubuntu Server 14.04 VM to connect to SQL Workbench x64 on the localhost. Below are my settings for the Virtual machine's port forwarding and the error I ...
1
vote
1answer
15 views

Selecting network interface in MAAS

I'm installing Ubuntu OpenStack: The Canonical Distribution and at one stage of instaltion it asks me: "Please select a network interface that is not currently listening to any DHCP or DSN requests. ...
-1
votes
0answers
16 views

Regarding my connection

I know this is a silly question,but i have this isssue. I am not able to login to my fb account after installing my ubuntu , whereas I am able to login from other machines. Plz do find me a solution ...
0
votes
1answer
25 views

Cisco VPN cannot connect to server

I followed this link to install and configure VPN for my pc. After that I connected to VPN and I saw the message: VPN connection successfully established. However, when I check my IP before and after ...
0
votes
1answer
32 views

How to undo eth0 configuration?

I was trying to connect 2 Ubuntu vms on virtualbox. they had the same ip address: 10.0.2.15 with default gate: 10.0.2.2 I tried to change this manually, and here what I did: on the edit connection ...
0
votes
0answers
37 views

Wrong IPv6 Routing

My Ubuntu 12.04.5 LTS servers have all the same problem. When I access a website which has IPv6, everything works fine and the website shows up. When I access a website which has no IPv6, it always ...
0
votes
1answer
22 views

Is Wireshark the correct tool as a data (traffic) meter? Something better?

My household is allotted 250 gigabytes per month. Someone in my family is using-up all the data. The "traffic meter" on my router (WNDR3700) only tells me total data usage. I want to break it down by ...
1
vote
0answers
27 views

Getting internet connection through eth0 and wlan0 simultaneously

I have disabled network manager on Ubuntu 12.04. I need to do manual configuration: 1) Connect to Internet through eth0 SUCCEEDED by using ifconfig eth0 up dhclient eth0 ----> I am able ...
0
votes
0answers
14 views

Internet sharing with alternate source

Here's my scenario: I live in a rural area, where the only "high-speed" internet access is wireless. So I get a 802.11g signal from a tower a mile or so away through a directional antenna mounted ...
0
votes
0answers
14 views

My network is inactive

I have a dell xps 15. I am using VM ware virtual machine, I have installed Kubuntu. I have tried rfkill list. I am getting nothing. The enable network is grayed out. When i type ifconfig this is what ...
0
votes
0answers
13 views

smbtree not finding my samba shares, but I can connect to shares using Mac client

I'm trying to use smbtree to view samba shares on my local network. Several of those shares are hosted on my own server, which I am running all these commands on. I know the shares exist because I can ...
0
votes
0answers
10 views

Multiple NICs in Host with virtual box and guests

I am trying to use multiple NICs so that I can assign two NICs to Virtual box VMs and have just the 3rd NIC run just the Host. Is it possible to put 3 or more NICs in the Linux host and have only one ...
0
votes
0answers
23 views

14.04 RealTek RTL8111 not working after update

I got my Ethernet to work after a lot of searching on the internet then I recently installed Ubuntu's(14.04) usual upgrades and my eth0 is not visible. "ifconfig eth0" is not working. Some details ...
0
votes
1answer
19 views

How to share Internet on ubuntu to android

I have seen searched a lot about sharing internet of computer to Android device (when the computer is connected to the internet via wi-fi not lan- Ethernet) here are some of the links that helped me, ...
0
votes
0answers
19 views

Configure server machine

I have a server machine. Number of networks and sub-networks are connected through it. I want to configure my server machine like, every client machine can install operating system through network ...
0
votes
0answers
32 views

Failed to connect to wifi network(after an update to ubuntu 13.10) (failed (reason: 'SSID' not found))

I am a user of ubuntu 13.04 with it updated to 13.10 recently. When I tried to connect to the internet with NetworkManager, it failed and a common reason is given in the log for different wifi ...
0
votes
1answer
75 views

Ubuntu 14.10 Network problems

I installed Ubuntu 14.10 a week ago. Everything was ok except some minor audio problems which I detailed in a previous post. Currently as far as I can see networking is not working at all - no ...
1
vote
1answer
29 views

Adding virtual interfaces in /etc/network/interfaces is not permanent

I'm running Ubuntu 13.10 in a VM from a Windows host. I have added virtual interfaces to /etc/network/interfaces, like in auto eth0:18 iface eth0:18 inet static address 192.168.46.3 netmask ...
0
votes
2answers
127 views

SSH: Could not resolve hostname user@host: Name or service not known with my connection

I have a problem to connect a server using ssh. I got the following error message: ssh user@host SSH: Could not resolve hostname user@host: Name or service not known with my connection Also, if ...
0
votes
0answers
9 views

(unmet dependencies)

I am new with this os and am having trouble installing chrome remote desktop. It says Cannot install libc6:386 When I googled that the top result was an ask ubuntu page that talked about (unmet ...
0
votes
1answer
13 views

Error finding preseed file when booting the UbuntuServer installer via iPXE through HTTP

I know the typical settings to run a PXE server is the combination DHCP+TFTP+HTTP/FTP/NFS... servers, but my setting must be only DHCP+HTTP, so my dhcpd.conf has these lines: subnet 192.168.1.0 ...
0
votes
2answers
141 views

Add static route in Ubuntu 14.04 [duplicate]

I want to add a route permanently. I've tried route add -net @ip netmask mask gw "gw" but every time when I shut down, I have to re-enter the command. How can I make this route permanently?
1
vote
0answers
22 views

Ubuntu 14.04 not using alias em1:1 address

I'm trying to use two IP addresses on a single network device. The device is an onboard NIC and came up as "em0" after initially booting, something I hadn't seen Ubuntu do before. I'm using a ...
0
votes
1answer
40 views

Ubuntu 14.04.1 DNS issues

For some reason DNS is flat out not working on our new OpenStack Cluster. For example, just installed a new Ubuntu 14.04.1 OS (Ignore OpenStack, this is really just a blank single physical server at ...
0
votes
0answers
20 views

IPv4 & 6 timeouts (14.04, Intel card)

I had intermittent internet connection problems and now I cannot connect at all. I have an Intel ethernet interface with the e1000e driver, which I was able to upgrade to the newest version. I cannot ...
2
votes
2answers
106 views
+50

Two hosts can't ping one another

I have two hosts in my network. Both are connected to my router. From another host, I can ping and ssh into both of them. Both have an excellent connection to all other hosts. However, they cannot ...
0
votes
0answers
58 views

Ubuntu 12.04 Hangs at *Will Now Halt* fixed with pci=noacpi but this results in NO WIRELESS

pretty new to linux. I've just bought an Asus X553M and installed Ubuntu 14.04 I found that i could not shut down the system, it just hangs on #will now halt. I installed 12.04 but it still happened. ...
0
votes
1answer
30 views

iOS devices cannot connect to hostapd wireless Access Point

I've managed to setup an AP on pc running ubuntu 12.04 with a wireless adapter with a RTL8192CU chipset. The pc is connected to internet via wlan0 and the access point is setup on wlan1. I can ...
0
votes
0answers
21 views

how add a CNAME record on your local DNS server for www.google.com?

I need to add a new CNAME record on my local DNS server for Google domain(s) pointing to forcesafesearch.google.com. This will enforce safesearch on google.com. My guess is the local dns server is ...
0
votes
0answers
21 views

Ubuntu DHCP client doesn't report hostname

I found, that my Ubuntu server does not report it's hostname to DHCP server (which is different machine). Why and how to fix? /etc/dhcp/dhcpclient.conf is follows: option ...
0
votes
0answers
17 views

bridge interface br0 for virt-manager removing IP from em1

I am trying to create a bridge interface for virt-manager to boot PXE images from network. My actual network in em1 (I don't have an eth0 iface). em1 have 172.16.20.x IP. I prefer the bridge IP to be ...
0
votes
0answers
6 views

I get unknown host why?

I'm behind a proxy xxx.xxx.xxx.xxx:xxxx using ubuntu 14.04 when go to software updater to select the best server for download I get this message: No suitable download server was found Please check ...
0
votes
3answers
34 views

How would I broadcast a http website over WiFi?

I am trying to braodcast a http website over wifi using my laptop to enable my smartphone to connect to this website just by using wifi connection and a web browser. The goal is to create my private ...
0
votes
0answers
10 views

dansguardian+privoxy+opendns making browsing slow?

I am using dansguardian+privoxy for content filering.Opendns as the blacklist for dansguardian.Please anybody , find any method to speed things up.I don't need any features of privoxy such as ...