Managing and using network connectivity on a Ubuntu system

learn more… | top users | synonyms (1)

2
votes
1answer
11 views

An application is listening on ports 139 and 445, but those ports are closed. Can an application listen on closed ports?

On the terminal, when using netstat, it claims a program called smbd (which is acutally Samba) is listening on ports 139 and 445, but according to a port scan from ShieldsUp, those ports are closed. ...
0
votes
0answers
9 views

How to configure bind,apache and Joomla

ifconfig eth0:0 192.168.201.x+1 netmask 255.255.255.0 Edit /etc/network/interfaces /etc/init.d/networking restart apt-get install apache2 create file in /etc/apache2/sites-available mkdir ...
0
votes
1answer
9 views

apt-get works via proxy, but nothing else does

This pertains to Ubuntu 14.04 behind a proxy server that requires authentication. I've managed to get apt-get working via proxy. My /etc/apt/apt.conf looks like this: Acquire::http::proxy ...
0
votes
1answer
20 views

Why am I getting disconnected from WiFi after about 15 minutes of use?

I am dual booting Windows 7 and Ubuntu 13.10 on a Toshiba Portege laptop, and for some reason I lose my wireless internet connection after about 15 minutes of use on Ubunutu after booting up. I am ...
0
votes
0answers
9 views

Can't click wifi connect button after upgrade to 15.04 from 14.10

After upgrading to 15.04 today from 14.10 the 'Connect' button for wireless network connections will always show as disabled. Therefore I cannot click or press enter to attempt to connect to a ...
0
votes
0answers
12 views

Why do I need to restart Ubuntu 14.04 LTS for my networking scripts to work?

When I started using 13.04 LTS on my Virtualbox VM (4.3.26), I turned off network manager and wrote some scripts for dynamically updating the static IP of my laptop on any network. I was doing this ...
0
votes
0answers
6 views

Blocking a domain with dnsmasq - is dnsmasq.conf being ignored?

I'm trying to block a particular domain by having it resolved to 127.0.0.1. I set up /etc/dnsmasq.conf to block this domain, like so: $ cat /etc/dnsmasq.conf address=/blocked-domain.com/127.0.0.1 $ ...
0
votes
0answers
15 views

CMD wifi problems Ubuntu server 14.04

I want to connect my server through WiFi, but i can't get it to connect to the internet. I have been able to ping my router, which is a apple airport extreme. Everything else connected to my router ...
0
votes
1answer
34 views

How to use my ubuntu server as router?

+---+ eth1- *.1.6| S | =========| | |PC1|private net -------------------- ...
0
votes
0answers
15 views

aircrack-ng : airmon-ng stop working after updating to 15.04 ( ioctl(SIOCSIWMODE) failed: Device or resource busy )

my aircrack-ng suite was working correctly until i updated to 15.04 i unsintal evrything and intsaled again form repositories to discard weird stuff and the problem is stil there: sudo airmon-ng ...
0
votes
0answers
13 views

Internet works only after Rebooting or Reconnecting

I recently installed Ubuntu 14.04 on my Dell Inspiron laptop. Initially, the Wi-Fi didn't work. But it started working after I did some update using the Ethernet. But I noticed some problems after ...
0
votes
0answers
30 views

ubuntu 15.04 wireless driver is not working on HP-Elitebook 6930p

i have a problem .my laptop is HP-Elitebook 6930p now i run ubuntu 15.04. my wireless wifi driver is not working how can i fix? Please help me!
0
votes
0answers
15 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 ...
0
votes
1answer
24 views

Connection refused error in putty windows

I am trying to connect my VM via putty which is running on azure cloud. But i will get Network error:connection refused error,yesterday its works fine, now its not working.Also i tried using ssh but ...
0
votes
0answers
16 views

Wireless USB Adapter disconnects from network every 5-10 minutes

My Netgear WNA1000M 802.11bgn USB wifi adapter disconnects from the wifi network I'm using randomly at very short intervals. I'm running Windows 8 on the same system and it has no issue with internet, ...
1
vote
0answers
35 views

Wireless not recognized on my Lenovo G510 laptop on Ubuntu 15.04

How do I enable my Broadcom wireless network adapter on Ubuntu 15.04 offline? I have no LAN access.
3
votes
1answer
8 views

Printer Drivers for the Epson XP-200 for ubuntu 14.04

My printer is the Epson Expression XP-200, and I am unable to locate drivers for my printer. I have tried using "Add printer" to no avail. The Epson website does not list Linux drivers for this ...
1
vote
0answers
41 views

how do I configure dhclient for comcast /64 prefix?

I did have everything working, but when I updated my router to a supported version of ubuntu, it broke (Ubuntu 14.4) Where things go wrong is dhclient never grabs a /64. It either gabs the IP for ...
0
votes
0answers
5 views

How to run OpenVPN as unprivileged user with Network Manager?

Recently I noticed that when running openvpn as a client on my friends Ubuntu Gnome 14.10 system, the actual openvpn deamon is running as root. $~:ps aux | grep openvpn root <xxxxxxxxxxxxxxx> S ...
0
votes
0answers
18 views

What is going on with my networking?

I just recently discovered that there is some networking issue with my ubuntu server. Its using up all my internet bandwidth and when I type ifconfig I get this as0t0 Link encap:UNSPEC HWaddr ...
0
votes
1answer
21 views

Cannot get wifi working on macbook pro retina

I just installed Ubuntu on my MacBook Pro Retina, but am having trouble getting the wifi working. I followed the steps posted at Setup problems ubuntu 14.04 wifi on macbookpro 13.3 w/ retina (dual ...
-1
votes
0answers
25 views

Programmatically write the network-manager/system-connections

Hi i want to be able to dynamically change the the wifi network configurations, i am trying to write the "ssid" file in the Network-Manager/systems-connections/ and i changed the folder permission to ...
0
votes
0answers
20 views

BQ Aquaris E4.5 - USB network adapter via OTG

I tried to get a network connection via an OTG USB ethernet adapter, but it does not seem to work OOTB. The very same ethernet adapter (from Apple, 2010) works with the Nexus 7 (2013) and Nexus 5 ...
0
votes
0answers
11 views

Network proxy settings BQ Aquaris E4.5

I am the proud owner of a brand new Ubuntu phone and come across a basic problem right away. How can I configure network proxy settings? I have poked around in the network settings, but have not found ...
-1
votes
0answers
13 views

Router swich problems connecting to the internet

Hi i have a problem whit my connection to the internet. I had one internet provider and router, then i swiched to a new one and set the new router with same name and pasword as the last one. Evryting ...
2
votes
3answers
79 views

No WiFi on a system76 laptop after upgrade to 15.04

I just upgraded System76 Gazelle laptop to 15.04 and wifi no longer works. It sees many networks and tries to connect to mine, but fails repeatedly (/var/log/syslog seems to indicate authentication ...
0
votes
0answers
9 views

Netgear N600 router not connecting to wifi - help!

I'm extremely new to linux and i'm looking into using linux because my windows trial is running out and I don't have the money to buy a copy. I've been running ubuntu off of a usb to try it out, but I ...
0
votes
0answers
91 views

Can't connect specific WIFI network (Ubuntu 15.04) - I tried all solutions on the forum, but didn't work -

I'm using Ubuntu 15.05, My computer cannot connect specific WIFI network, but it's connecting this network with using ethernet port. Also when I open my computer with Windows 7, this can connect this ...
0
votes
1answer
35 views

Ubuntu 14.10 samba share not accessible from Windows 7

I'm really new to Ubuntu and Linux in general. I know this has been asked a million times but I'm trying to get a Samba share to work and I've been reading all kinds of threads but I just can't get it ...
0
votes
0answers
14 views

System 14.04 LTS … Staying connected with Broadcom 4312 on HP Pavilion dv6000 laptop

I am using a Broadcom b43 driver. However, my connection keeps dropping then a auto reconnect. It happens every couple of minutes. I can not maintain a reliable connection. I am running a partitioned ...
1
vote
2answers
33 views

How can I send large files between two Ubuntu devices that both are connected to a silly hotel Wi-Fi network that does not permit SSH?

I've got the network addresses of both devices but pings don't reach the computers. How can I send big files between these devices? Just to be clear, I don't want to transfer data using a USB drive ...
-1
votes
1answer
20 views

Connect host to guest with VirtualBox on Host-Only-Network-Adapter

I am using Ubuntu on VirtualBox as guest, on a Windows 7 host. I would like to have this configuration: 1) both guest and host connected to internet. 2) guest can reach host (through ping) 3) host ...
0
votes
1answer
76 views

system-config-samba not opening in Ubuntu 14.10. & 15.04

system-config-samba does not open. It doesn't matter whether I install the program through either the command line or the software center. When I try to open the program it prompts me for my password ...
1
vote
2answers
73 views

How to get Ubuntu 14.04 to detect and connect to open WiFi on startup from USB stick

I'm an 8th grade science teacher and I have recently been given 17 mini dell computers. All are in great physical shape, however, none of them have an operating system or hard drive. I can load Ubuntu ...
0
votes
3answers
132 views

How to install Juniper VPN on Ubuntu 15.04?

This post worked perfect for 14.04 as well as 14.10. But for 15.04 there seems to be a strange issue. The application starts and gets a tunnel ip addresses but doesn't forward any traffic. The bytes ...
0
votes
0answers
12 views

how to connet to hidden network from terminal [duplicate]

My Ubuntu graphics has stopped working. I can only access the terminal. So I am trying to connect to a hidden network through the terminal. I have tried using iwconfig for the same. But with no ...
0
votes
0answers
173 views

Can't enable Wifi on Ubuntu 15.04

I just installed Ubuntu 15.04 on my Lenovo laptop and everything seems to work fine except the Wifi. Nothing happens when I click the 'enable Wifi' button. I upgraded to 15.04 because of Wifi problems ...
0
votes
1answer
29 views

How can I connect to two networks simultaneously?

I have just moved house and my ISP have not reconnected my internet yet. So I need two connections: one to my LAN (via ethernet) for my NAS, printer, etc. and the other needs to connect wirelessly to ...
0
votes
0answers
2 views

network browsing in ubuntu 14.04 is not working [duplicate]

While trying to access a Windows network it shows: Unable to access location, Failed to retrieve share list from server, No such file or directory How to solve this, and connect with Windows shared ...
0
votes
1answer
12 views

VirtualBox - no eth0 or wlan0 connection (Ubuntu / CentOS)

I checked all possible places in order to solve this issue and only decided to post a question here because I'm at the verge of giving up. So, I recently installed VirtualBox 4.3.26 on my Ubuntu ...
0
votes
1answer
15 views

Difference between essid, bssid and ssid in commands?

If I am correct, ESS is the union of a set of BSS's. ESSID and BSSID are just their IDs respectively. How can I tell if a wireless network has essid, bssid or ssid? What differences are between ...
1
vote
0answers
19 views

Wifi connects to all networks except for one

I am using Ubuntu 12.10 on an Acer PC. I am seeing a problem with my WiFi recently. I can connect to all wireless networks except my home network. The connection is established, but when I connect to ...
0
votes
1answer
9 views

Static IP NIC card config getting “fail” error message

I am running new server on ubuntu 12.04.4. I am getting failure when I restart my NIC file /etc/network/interfaces. The command failing is sudo /etc/init.d/networking restart and ifconfig eth0 is not ...
-1
votes
0answers
16 views

firefox -37.0.2 not taking proxy username and password

I am behind the proxy server, when i open Firefox-37.0.2 a window came and say "authentication required" after entering the proxy username and password, keep asking continuously "authentication ...
-1
votes
0answers
20 views

cannot boot - Ubuntu 14.04 server - waiting for network configuration error

i am having problem booting into a ubuntu server. the simple error is "waiting for network configuration" The problem started when the server got turned off due to power failure. i have tried ...
0
votes
0answers
12 views

How to connect Huawai EC159 module to Ubuntu 13.11 to access 3G net? [on hold]

I have Huawai EC159 module it is shown in terminal after command "lsusb" but I dont know how to access it so that I can use 3G net on my laptop. Please help me. Thank you.
0
votes
0answers
6 views

create wpa2 wifi network in 12.04 lts

I was connecting linux and windows in client server model. I have apache configured on my linux.It is working fine with "WEP" SECURITY but how to create wpa2 wifi network in 12.04LTS because I can't ...
0
votes
0answers
8 views

TP-Link WDN-4800 WLAN can ping and browse one webpage before not doing anything

I recently put together my first build, and I have a TP-Link WN-4800 WLAN for Wifi. I put it on my motherboard, and it was detected fine right away. It shows up in my network manager and can connect ...
-3
votes
1answer
27 views

How to change 127.0.0.1 to any IP in ubuntu? [on hold]

I want to change 127.0.0.1 to any IP address in Ubuntu. What are the steps to do this?
0
votes
0answers
37 views

Trying to ssh into virtualbox static ip ubuntu from debian host

So, I messed with my /etc/network/interface and assigned the different addresses basically blindfolded. I can't even ping google, and really don't know what my addresses should be. This file ...