Managing and using network connectivity on a Ubuntu system

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2answers
28 views

Wi-Fi cannot be used, it says it is disabled by a hardware switch (I do not have a disable WiFi hardware switch on my laptop)

I just installed Ubuntu onto my Lenovo Yoga 2 and I cannot turn on or use my WiFi because it says that it is disabled by a hardware switch (I do not have a physial disable WiFi hardware switch on my ...
0
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0answers
8 views

Wireless automatic disconnection

My wireless connection automatically drops once in a while. Once that happens, I use WICD to reconnect to the wireless network, which shows that it puts down and up wireless interface. I wonder if ...
1
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2answers
54 views

Ethernet connection not working after installing Ubuntu 14.04 LTS

EDIT: PROBLEM IS BACK.. I cant figure out a permanent and reliable way around the bug (have managed the bug to go away 2 times) my files keep duplicating themselves with a ~ after their name, so if I ...
0
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1answer
21 views

Ubuntu 14.04.1 Bug - issue with my on-board networking adapter and the ACPI of my computer

This old bug affects me severely, I say old bug because it is very well documented in the following link: Bug report This bug results in two things: My on-board networking doesn't work, and trying ...
1
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0answers
14 views

Ubuntu 14.04 RT 8723 WIFI adapter not working, SIOCSIFFLAGS: Operation not permitted

I have a Radxa Rock Pro on which I recently flashed the Ubuntu 14.04 image. This image should have the firmware for the RT 8723 already loaded. Because the output of ifconfig -a is: eth0 Link ...
1
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0answers
21 views

Frequent wifi disconnection on ubuntu 14.04 LTS

I have recenty installed ubuntu 14.04 LTS 64 bit. My university provides cyberoam wifi connection. After 5 seconds to 1 minute, internet stops working and then wifi disconnects. I have to disable wifi ...
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0answers
4k views

How to share internet over wifi?

i m using ubuntu 12.04 i want to share my tata photon plus connection over wifi I used the procedure listed here but it does not connect to the wireless network in the host computer itself. Please ...
0
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0answers
9 views

VPN does not connect with nmcli - “Error: Connection activation failed: unknown reason.”

I once set up a bunch of VPN connections with the network manager running with Unity and then switched over to XFCE, which made me use the command line tool nmcli instead to connect with those VPNs. ...
0
votes
1answer
19 views

Im copying data from ubuntu to windows. but the folder name is changing automatically

Im copying data from ubuntu to windows. but the folder name is changing automatically. I tried same copy to external drive also. After connecting to windows system the name of folder or file is ...
4
votes
1answer
36 views

Automatically connect to internet

I have Ubuntu 14.04 LTS installed on my laptop, I am using 3G USB modem to connect to the internet (sometimes I do not have direct access to this laptop, but I need it to stay online). But every day ...
0
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1answer
8 views

Link-local (zeroconf) networking with multiple hosts/interfaces

I have a machine (hostname foo) with two wired network interfaces, eth0 and eth1. When I connect another host bar to one of them (eth0), I can see in either one's NetworkManager that it's using ...
0
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1answer
11 views

How to broadcast a folder in network of class B network?

I want my specific folder on every pc which is in common network of my college so how to broadcast that folder is there any command like ssh? please help me fast.
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0answers
22 views

"How do I find BOOTPROTO information for eth0

Where can i get BOOTPROTO information in ubuntu? File "/etc/NetworkManager/system-connections/Wired connection 1" doesn't contain BOOTPROTO information.
0
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1answer
40 views

Can private IP address be the same as public IP address?

I checked my public ip address at http://whatismyipaddress.com, it showed me 137.189.34.166. When I typed ifconfig in terminal it showed me my private ip address is 137.189.34.166, too. Does that mean ...
1
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3answers
11k views

Problem configuring dhcp server: Job failed to start

I m trying to configure dhcp server in ubtuntu onto my virtual box and connecting other virtual instance of ubuntu to this dhcp sever i have installed dhcp server using sudo apt-get isc-dhcp-server ...
0
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0answers
14 views

Hostapd wpa_passphrase not working

Hi there I'm setting hostapd to create a wlan from my ubuntu computer. I have configure some conf files following some tutorials/guides and I can detect the wlan. The problems comes when i enter the ...
0
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0answers
18 views

Manually run sudo dpkg --configure -a [on hold]

Using Mint 17.1. During some install work while in the terminal and a very bad dropping Ethernet connection, the install never finished and I can only assume corrupted some things in Linux. The ...
0
votes
1answer
33 views

KVM Bridging - Network connection fails if I change Device model to VirtIO from rtl8139

I'm setting up my first VM and am using bridging to access my network. It's a Windows7 VM on Ubuntu 14.10. I read that changing to 'Device Model = VirtIO' in the definition of the VM will improve ...
1
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0answers
17 views

Menu bar networking menu disabled

Roughly every 2 weeks (give or take a few days), my WiFi becomes disconnected and the networking menu becomes disabled. I’ve been experiencing this for a few months now hoping I could track down ...
15
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3answers
64k views

How to set static routes in Ubuntu Server?

I have used Ubuntu since Ubuntu 8.10; today I'm working with Ubuntu 12.04 Server. I am having difficulty keeping static routes on booting. I would usually put the route commands /sbin/route add ...
0
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1answer
34 views

Unable to set proper routing between two networks

Three boxes running three different ubuntu flavours (14.04, 14.10, 15.04). I'm trying to get all of these to talk between themselves, while being on different subnets, and I can't figure how, yet. ...
0
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0answers
35 views

Ethernet not working and wireless is slow

I have a desktop PC that I built that I recently installed Ubuntu 14.04 next to Windows 8.1. It has an Ethernet port on the motherboard (MSI Z97S) and a wireless card in a PCI-Express slot (Asus ...
0
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0answers
25 views

Wireless interface become disabled

My internal intel wireless adapter (Intel PRO/Wireless 5100 AGN [Shiloh], and logical name: wlan0) sometimes stops working, and I have to restart Ubuntu so that it will work again. My laptop is ...
0
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1answer
54 views
+50

beyond MAC address spoofing

Saturday, I am going to have to attempt to connect my notebook to a network that does not like me much. It is a school network. I work there as a volunteer, but don't have a sysadmin to explain what ...
0
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0answers
17 views

Two different Networks, 2xRouter some routing Fail need help!

I have some problems with my Settings, if someone can check it and analyze whats wrong. NETWORKPLAN MY current settings: /etc/network/interfaces Wan auto eth0 iface eth0 inet dhcp LAN auto eth1 ...
2
votes
3answers
51 views

What is the difference between Pinging loopback address and pinging the system's IP address?

What I found was loopback tests whether the TCP/IP suite of our system is working properly or not and pinging our IP makes sure that NIC is working fine. This is okay but I wish to know its working ...
4
votes
8answers
13k views

WI-FI doesn't work (Hard Blocked)

Yesterday I installed Ubuntu 12.04 for the first time (I've always been a Windows user) as I was at the office and I had the Ethernet connected. At home I only use WI-FI. When I started Ubuntu it ...
0
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0answers
13 views

iwconfig all interfaces “no wireless extension”

I installed the new ath10k driver following this procedure : ath10k installation. And afterwards I am not longer able to use iwconfig command. I always get this error : Error for wireless request ...
0
votes
0answers
15 views

Gufw log: rejected, denied and allowed connections

I have got Gufw installed, and I have set some firewall rules so that it rejects and allows certain IP addresses. And although I have set it so that it logs-all, I cannot seem to find anywhere where ...
0
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0answers
12 views

All Networking disabled after RAM upgrade [virtual]

After running a rather large script file from the terminal I got a Java memory heap error. So I decided to try increasing the RAM to resolve the problem... However, after upgrading the RAM from 2048 ...
0
votes
1answer
33 views

Can't connec to the Internet [on hold]

I just installed xubuntu 14.04. I'm using a VPN on my host machine. I can't connect to the internet either with the VPN on or off. I tried pinging a public IP address with no luck. I have stopped and ...
10
votes
7answers
13k views

Is there a program to see channels used by wifi networks (similar to Vistumbler) in Ubuntu?

I need to see the channels used by all wifi networks in range in order to improve my wifi connection by selecting the channel to be used by my modem (a procedure related to the 'freebox' modem). In ...
0
votes
1answer
27 views

Bit Rate issues on ubuntu 12.04 Centrino Advanced-N 6205 wireless card

I'm having some issues with my wireless connection. I'm using Ubuntu 12.04: $ cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=12.04 DISTRIB_CODENAME=precise DISTRIB_DESCRIPTION="Ubuntu ...
1
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0answers
20 views

configure postfix so emails will send

I am trying to use postfix simply to allow my blog to send emails, I don't need anything fancy like webmail. All I want it to do is send me messages to my gmail or google apps accounts. I've tried ...
5
votes
4answers
19k views

How to bring up network on boot-up when NetworkManager is uninstalled?

I decided to get rid of network-manager for some reason, and now in order to get on the network, I have to run sudo ifup eth0. Here's what cat /etc/network/interfaces gives: auto lo iface lo inet ...
2
votes
0answers
89 views

Neutron Quantum Gateway vs Neutron API, which charm to use?

We are running 14.04 Trusty/Juno and when deploying "Neutron" we have a question of which charm we should use or if both are to be used. Quantum Gateway or Neutron API or both. The charm ...
0
votes
1answer
14 views

14.04 Lubuntu install randomly loses wired Internet connection

I recently moved and ever since setting up my desktop, I've had seemingly random losses of my wired connection, although high bandwidth stuff (Netflix, maximizing an HD YouTube video) seems to trigger ...
0
votes
0answers
14 views

Referanceing venet0:0 and venet0:1 in iptables on OpenVZ

I have an Ubuntu vps that is hosted with openvz. For a while now I have had trouble using the interface names in iptables, such as: (edited) -A INPUT -i venet0:0 -p tcp -m tcp --dport 80 -j ACCEPT ...
0
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3answers
32 views

Ubuntu wifi doesnt work

I can't use my wifi as when I click enable wifi it stays disabled. Here's all the info you might need to help me http://pastebin.com/ehLDwDzW
0
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1answer
6k views

atheros wireless ar9285 driver

I have been having problems with wireless on Ubuntu 10 and above, Mint 11 and above. The problem is in the driver for the wireless... I can see that there is no driver installed and yet it works but ...
1
vote
1answer
80 views

Ethernet Problems - Realtek RTL8101E/RTL8102E

This problem has been going on for a few months now. After failed troubleshooting (time and again), I'm finally giving in, and asking you for help. I would like to prefix this by saying that Ubuntu is ...
1
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0answers
15 views

Try DHCP first, if it fails assign static address and use the machine as a DHCP server itself

As the title says, I have a tiny screenless Ubuntu server that I move around, that has two different behaviors and needs to adapt automatically, that is, without any human intervention, at bootstrap: ...
0
votes
1answer
122 views

OpenVPN HMAC Authentication Failure No Matter What I do?

I am having an issue with my openvpn server, running Debian Wheezy x64, and my client, running Ubuntu 14.10 x64. It seems no matter what configurations I try, I get this error, over and over, a couple ...
2
votes
1answer
26 views

Can't mount samba shares

I'm trying to setup some samba shares in 14.04. After defining the shares, I can connect and also list the defined shares, but when I try to mount a share, I get the error: NT_STATUS_ACCESS_DENIED ...
2
votes
1answer
120 views

unable to edit /etc/hosts file in ubuntu 14.10

I changed the hostname from default name, set during installation to something short and nice, but didn't change it in /etc/hosts file. /etc/hostname is changed after restart but sudo is not working. ...
0
votes
0answers
25 views

Only allow one random IP access a specific port

I have seen a SOCKS 5 proxy service provider, it provides: Basic package: the same account (corresponding to a specific port) only one terminal at the same time Platinum package:the same account ...
0
votes
0answers
17 views

Wifi Option is available but it can't be clicked when trying to click

Here I have a problem with my Ubuntu 14.04 that there exist the Enable wifi option but when I'm trying to click on it then it is not responding to my action and it is disabled also there is a problem ...
0
votes
0answers
43 views

Login loop in Ubuntu 14.04 LTS after last updates

After the last Ubuntu 14.04 LTS update, the login was looping a guest account requiring a password though none was created. Someone solved this by creating the 50-no-guest.conf. But now, though my ...
1
vote
2answers
38 views

How to know if the router is internet access when connecting via wireless

In windows when you are connecting via wireless it's tell you if their is internet access or no. in ubuntu i already connect to router but i don't know if the router is connect to internet or not?! ...
1
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3answers
3k views

Ubuntu 14.04 wired connection not detecting

dual booted Windows with Ubuntu a few weeks back. My Internet connection seems to be automatically detected on Windows, but not on Ubuntu. Here is the output from ifconfig: eth0 Link encap:Ethernet ...