Questions concerning network connections.

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New installation of Ubuntu Kylin doesn't recognize Huawei 4g wireless b/b modem (Lenovo 7303 Desktop)

I've been away from Linux for a little while but I've installed Kylin 14.04.2 64bit alongside win7homepremium 64bit. I had to install them both twice as I wanted to upgrade to win7ultimate while I was ...
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2answers
86 views

Lubuntu / Ubuntu - Unable to connect to wifi network

I've been recently looking for information to fix the wifi connection on my Lubuntu machine. I got a fresh install of Lubuntu 15.04 on my PC with a TP-LINK 8200ND connected to it. Lubuntu shows the ...
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1answer
43 views

Can't turn on wifi in ubuntu 14.04

My computer is an Asus x450j iwconfig shows: eth0 no wireless extensions. wlan0 IEEE 802.11bgn ESSID:off/any Mode:Managed Access Point: Not-Associated Tx-Power=16 dBm ...
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1answer
39 views

Linux Won't Run

Wow. I recently installed Ubuntu on my Chromebook C720. I installed it using Crouton, so it runs Chrome and Ubuntu side by side. I can switch between them with a hot key. For more information on my ...
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0answers
36 views

ssh connection to xxx closed by remote host

I have a admin server A which have root ssh trust for all other servers, and A can ssh most other servers without password, but for server B, it always says connection to B closed by remote host. ...
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0answers
8 views

connection faliure occurs while updating ubuntu 14.04

I am unable to do an update operation using sudo apt-get update The connection goes to a server with IP 10.30.10.45 and it gets timed out, inspite of being connected to the internet. Please suggest ...
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2answers
17 views

system log question- auth.log

I'm pretty new here. I was looking at my system logs and noticed this: Jul 21 00:57:47 htpc sshd[13001]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= ...
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1answer
31 views

Wireless network disconect every x time in ubuntu 15.04

my wifi network suddenly disconnects with out a reason. I didn't have this problem with older ubuntu versions, once I updated to ubuntu 15.04 the wifi started to crash. Someone had the same problem or ...
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0answers
34 views

Minecraft in 15.04 Connection issues

So I don't know any better way to explain what the problem is other than showing you this. I am using 15.04. Ask me if you need any more information. EDIT: solved, apparently java was just messing ...
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0answers
15 views

Problem about internet connection

I am having a very big trouble while using internet connection in my ubuntu operating system. My connection is being lost after sometime of connectivity & it's not being possible to retrieve the ...
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0answers
21 views

How to connect dell pc wifi to an android phone?

I have already created a wifi connection in my dell inspiron 14 using- start>manage wireless networks>Add> Create an adhoc network> next> typed network name and chose security type "WPA2- Personal" ...
1
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1answer
42 views

how to transfer files from windows 8.1 to ubuntu?

I have all my files on my brother's PC and now I want to copy them to mine. Installing a programme didn't help me because it's about 200 GB and takes a long time and sometimes my connection failed. ...
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0answers
25 views

Why one wifi network works with ubuntu and another doesn't?

For over half a year, I have been struggling with bad internet connection in my old home with ubuntu 14.04. Often the speed flucuates between 1 Mb/s to 108 Mb/s which results in normal internet ...
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0answers
7 views

Ubuntu 14.04; D-Link WUA 1340 detects networks but does not connect; ethernet does not connect

I am a "newb," so please excuse me if I try your patience, it is an unintentional by-product. Dilemma: -D-Link does not work. It detects networks, I enter the correct password, but it does not ...
0
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1answer
86 views

Cannot connect to any networks after spoofing MAC address

So I want to spoof my MAC address. However when I do so I am unable to connect to any networks. After changing it back to the physical MAC address of the network card, it works just fine. It worked ...
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0answers
17 views

No internet on reboot into 12.04

From Vista, on an AMD athlon 64 dual core system. TK-55x2 processor, 1.8GiB ram, 65.0GiB free on HD. I have a connection while installing the OS, after reboot no connection is available. Best option ...
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2answers
76 views

How to get connection to both wifi as well as LAN in ubuntu 14.04 LTS?

On my Ubuntu 14.04 LTS laptop, I have a LAN connection with a static IP address as well as a WiFi connection to the internet using DHCP. LAN connection goes to a switch and WiFi connection from a WiFi ...
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0answers
36 views

after upgrading my sony vaio laptop to ubuntu 14.04. my wifi signal has dropped drastically,

01:00.0 Network controller [0280]: Qualcomm Atheros AR9485 Wireless Network Adapter [168c:0032] (rev 01) Subsystem: Foxconn International, Inc. Device [105b:e044] Kernel driver in use: ath9k I'm ...
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1answer
26 views

Can't connect to Ubuntu server, gives 'no hostly alg' error

I'm trying to connect to my Ubuntu 14.10 server through ssh but whenever i ssh -p [port] name@hostname.com it simply gives me 'no hostkey alg' and drops connection Can anyone help with this ...
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0answers
21 views

5.0 GHz wifi not connecting on new Ubuntu

I recently got a new computer running Ubuntu(I previously owned a mac), and I've been having problems connecting to the right wifi. My computer has no problem connecting to the 2.4 GHz, but when I ...
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0answers
36 views

how to make wired network internet connection work?

i am new using ubuntu (14.04 LTS), i have been using it for a week as my laptop main OS(toshiba satellite), and i am having trouble with web browsing and internet connection in general, i have an ...
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0answers
217 views

sharing a PC's internet connection to connect HTC One M8 device to the internet

I've HTC One M8 and in the settings there is an option called:"share a computer's network connection with this phone" any one who use HTC One M8 can reach it by going to: Settings WIRELESS ...
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1answer
192 views

Unstable WiFi connection Ubuntu 14.04 - Lenovo G40-70 rtl8723be

This is annoying, my internet connection drops after a few minutes and I have to restart my Lenovo G40-70 because restarting the network manager doesn't work.I also tried the solutions from related ...
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0answers
39 views

Ubuntu Server 14.04.2 LTS Local Connections refused

I have some local services running on a little server box at my home. Since a few days ago, only half of them are working though. SSH, Samba, netatalk, Plex are all running fine while I can't connect ...
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1answer
18 views

probleme with vps connection device

I bought a VPS with Ubuntu and I installed VNC and I would like to use a VPN account to change my IP address when I want. I have set up OpenVPN and configuration, but when I click on my VPN account ...
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2answers
35 views

How could we connect ODBC to ubuntu 14.04

Is there any way to connect to a MS ODBC system to the linux os. Or there any other local database available for linux ? Or should we create database in the terminal itself ?
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0answers
11 views

How to track the Internet connectivity of two PCs simultaneously using a script?

I have two PCs and I want to monitor the Internet connectivity in both of them and make it available in a page (not local, and something like example.com/statuses) as to whether they're currently ...
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0answers
29 views

XBMC cannot connect to Internet via LAN

I have Xtreama with XBMC Ubuntu 12.10 XBMCbuntu XBMC 12.2 Git:32b1a5e, May 2 2013. It is LAN Wired to Netgear DGN2200v4 Modem Router via a Switch. Other Devices (TV and PVR) on this Switch have ...
0
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1answer
40 views

How can I export all my VPN PPTP connections to known Ubuntu machines?

I have a lot of VPN connections and wonder how can I ease the process of exporting or entering them all at once (about 50) to any of my Ubuntu machines. There should be an application for ...
0
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1answer
61 views

Ubuntu 15.04 : The save button in the 802.1x security is disabled when you choose PEAP in Authenication in network setting

The save button is disbaled when the PEAP in the authentication is choosed in the Network Connection ---> 802.1x Security. because of this I'm not able to connect to my network
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0answers
16 views

Can't get wifi on 14.04.2 lts [duplicate]

I installed Ubuntu on my laptop. It went well, but the WiFi does not work, when it did in Windows. I know it can't be the access point, since my friend can connect just fine from his computer. Any ...
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0answers
52 views

Some pages not loading with Ubuntu 14.04 LTS and Firefox

When I use a search engine, or type an address into the address bar about half of the time I get the fail page, "Unable to connect..." If I click a link from a search page, same thing. If I try to ...
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0answers
81 views

Can't Connect to Hotspot Created by Plasma-nm in Ubuntu15.04

I use an internal wireless card + an Alfa AWUS036H on a Dell inpiron N5010. After I created a shared Wifi connection using plasma-nm(kde-nm-connection-editor) and tried to connect it using Connect to ...
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3answers
41 views

Which process is accessing which IPs?

After installing Conky and listing all my inbound and outbound connections I start to wonder what's actually happening and what and why things are happening. I'm getting a bit suspicious. How can I ...
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0answers
147 views

Internet not working after upgrading to 15.04

I upgraded to 15.04 today and have had a series of problems, during the upgrade there were a number of messages saying that packages could not be installed because of an error. Then When I rebooted ...
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3answers
424 views

What is an origin and solution for “port 9000: Connection refused” error?

I am stuggeling with port 9000: Connection refused error. I work on Ubuntu 14.04 and faced the problem when trying to run Hadoop in a non-distributed mode, as a single Java process (compare Hadoop ...
1
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2answers
503 views

Can't get online after installing Lubuntu 15.04

I upgraded to Lubuntu 15.04 yesterday. I originally installed Lubuntu at school several months back, so it was done using the school's Ethernet connection. At home, I set up my own DSL connection, ...
0
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1answer
130 views

Wifi disconnects and doesn't re-connect anymore

i've got a Lenovo z50-70 and when I connect to a wifi it works for some time and then internet stops working; when I manually disconnect it, it takes like a minute to disconnect and then it tries to ...
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0answers
76 views

Activating VPN fails always after temporary loss of internet connection

I have a few correctly set up VPN connections and use them frequently with nmcli. This works most times, but occasionally I can't connect any more with none of my saved VPNs: ...
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0answers
63 views

Wired connection of Qualcom card not working, can't compile drivers

I am using ubuntu 14.10 and I can't get my wirdec connection to work: srd@ubuntu:~/Downloads$ ifconfig lo Link encap:Local Loopback inet addr:127.0.0.1 ...
4
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1answer
551 views

ssh: connect to host github.com port 22: Connection refused

So I followed the guide on how to add a SSH key to GitHub, and added a new SSH key with a passphrase to GitHub and the SSH agent. Now, if I run ssh -T git@github.com as described in the guide to test ...
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1answer
68 views

Issue with gnome-connection-manager

I use Ubuntu 14.04 with gnome-connection-manager. Everything worked well, but then gnome-connection-manager crashed and now I can't start it. The process is not running and a reboot did not help. ...
0
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1answer
145 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 ...
0
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2answers
170 views

Why I can't I telnet to a specific port?

the port 7778 is in listen, netstat -tulpn tcp 0 0 127.0.0.1:7778 0.0.0.0:* LISTEN 22776/java but I can't telnet that port from remote machine while I can telnet other ...
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0answers
52 views

connection sharing between ubuntu 14.04 and xbox 360

I have an xbox 360 and a laptop with Ubuntu 14.04. What I want is to share the wireless internet connection of my laptop with my xbox via an ethernet cable. How can I set this up?
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0answers
25 views

Ethernet on laptop only works occasionally

The Ethernet connection on my laptop works only occasionally. Wi-Fi on my laptop works, so the problem does not seem to be with the Internet connection. Plugging in the Ethernet cable and turning off ...
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0answers
36 views

Ubuntu 14.04 Wireless Connection Drops

My Wi-fi connection works for about 5 minutes, until I can't load any page. After some time of not being able to load anything, the toolbar at the top indicates that I have been disconnected from ...
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0answers
55 views

Issue with network connectivity on Ubuntu 14.04 LTS

I have a dual-boot Dell desktop with Windows 7 and Ubuntu 14.04 LTS and one physical network drop. The Windows side connects without issue. The Ubuntu kernel does not want to connect to the network. ...
0
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1answer
202 views

Problem with Wireless Network (broadcom 802.11 b/g bcm4312) on Ubuntu 14.04

I installed Ubuntu 14.04 alongside Windows 7 recently. On booting to Ubuntu, I have a problem with connecting to wireless internet. The wired LAN is working properly. The Broadcom Wireless Adapter has ...
0
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1answer
104 views

Wifi keeps dropping connection

I am running Ubuntu 14.04 on a Thinkpad X230 with Intel Centrino Advended-N 6205 wifi. On my home network everything is fine, but at work the connection keeps dropping after a minute of being ...