This tag covers anything related to home networking, errors using the official repositories, clouds and system administration. This tag also covers simple internet access issues.

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Problem setting up dial up internet connection

I cannot use my broadband connection. Since I have lost the wired connection option (see here), I cannot manually input my ISP name and password. I tried with this link, which recommended me to run ...
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1answer
13 views

windows mapped folder access

I have successfully mapped a a shared folder in windows to Ubuntu. But I can't save anything in the folder from Ubuntu. I can browse and open and all but I can't save anything to the folder or create ...
2
votes
1answer
50 views

kvm guest network problems

I had a server running kvm that was upgraded from ubuntu 13.10 to 14.04 and since the upgrade after a couple of hours (in some cases less) the guest machines (a mix of linux and windows, using both ...
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2answers
20 views

find mac address of all connected systems [duplicate]

How can I find out how many system are connected to the local network and how can I get all IP and mac address of these systems. Is their any command/package to show the IP details? Can I use this ...
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1answer
60 views

How can I get the current network traffic broken down by subnet

I'm trying to modify one of my extensions that shows network traffic from my computer (For an indicator). I'd like to be able to quantify how much of the network traffic I see is coming/going to the ...
0
votes
2answers
19 views

how i can poweroff all the computers in lan from single computer

I have 5 desktops, all running Ubuntu 14.04 64 bit. All are connecting to the Internet through the LAN (using a dlink switch), i want to shutdown all the computers from a single computer,is it ...
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2answers
312 views

Virus infection in Ubuntu 14.04

I am using Ubuntu 14.04.My computer is infected by viruses or malicious software installed without my knowledge during web surfing. I am saying this because whenever I search anything in Google search ...
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2answers
29 views

How do I access network file share?

Ubuntu/Linux NU-B here. I have a physical ubuntu server sharing a folder and is accessible via windows GUI. I installed another Ubuntu Server under VMWorkstation as a Virtual machine and is on the ...
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2answers
1k views

How can I enable bonded network interfaces in Ubuntu 13.04/13.10 using NetworkManager

This question is about network interface bonding in Ubuntu 12.04 Precise and newer (12.10 Quantal/13.04 Raring/13.10 Saucy). Bonding is also known as network interface teaming, link aggregation, and ...
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2answers
28 views

No connectivity from Broadcom 4322

While browsing the web I was notified that my Dell Vostro 1720 was offline. After no luck rebooting my D-Link Verizon WiFi router, I saw my laptop could not connect wirelessly to anything, even a USB ...
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0answers
8 views

How to connect with a Qualcomm/Huawei 3g modem

I have a 3g modem which lsusb reports as a Huawei Technologies Co., Ltd. E169/E620/E800 modem. However Windows' Network Connections panel shows it as a Qualcomm USB Modem 6000. So when I try to ...
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6answers
7k views

Wireless is disabled by hardware switch. Wifi doesn't work! (hard blocked: yes, Lenovo Y580, Ubuntu 13.10)

I have a problem with wifi on my laptop Lenovo Ideapad Y580 (bought with pre-installed Windows 7 Home Premium 64bit). After uninstall Win7 and install Ubuntu 13.10 64bit (where normal wired internet ...
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1answer
25 views

What is difference between arping and arp?

Guys am having a mysterious doubt in diff. b/w arping and arp. When my senior asked me i was speechless. Pls. help me am confused.
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0answers
9 views

documentroot is different when on WLAN and on the internet

I just figured out that port 80 is blocked by my ISP so i am using a different port, and that port works from the internet, which is great, but only when i connect via a computer on the WLAN that my ...
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0answers
46 views

Cannot connect via FTP on Ubuntu 12.04

I installed and configured vsftpd service on Ubuntu 12.04 using the tutorial How To Set Up vsftpd on Ubuntu 12.04. I installed Ubuntu 12.04 and then followed the tutorial, that's all I did. I never ...
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0answers
11 views

vnstat not updating

I installed vnstat on my Ubuntu 14.04 server to track my internet usage (I have a limited monthly transfer). The database never updates, however. I've tried uninstalling/reinstalling, but that doesn't ...
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0answers
14 views

how to set mmap for better performance of raw socket

req.tp_block_size=96; req.tp_frame_size=96; req.tp_block_nr=2; req.tp_frame_nr=2; if ( (setsockopt(fd, SOL_PACKET, PACKET_RX_RING, (char *)&req, sizeof(req))) != 0 ) { perror("setsockopt()"); ...
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0answers
14 views

print spooler service in ubuntu

I want to share a printer under Ubuntu 11.04 with Windows 7. I have installed samba and configured it to allow the printer to be browsed across the network. I have also enabled printer sharing. But ...
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2answers
1k views

Open source stun turn server which can do hole punch is there similar packages?

Is there any open source stun/turn server which can do hole punch like numb for Ubuntu ? Numb is a STUN/TURN server. Description A STUN/TURN server is used for NAT traversal in VoIP. ...
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1answer
45 views

How to avoid IP packets leaking when openvpn connection drops

I have a laptop running Ubuntu 12.04 (still waiting for the 14.04.1) I have set an openvpn network with the network manager. If the vpn drops the network manager set back its route through the ...
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2answers
5k views

Having trouble installing Bradcom STA driver

I just installed Ubuntu and love it so much, its so fast now. But I have a problem connecting to the internet. I checked and saw I have to install the driver Broadcom STA wireless driver but every ...
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0answers
23 views

Network indicator missing in ubuntu 14.04 64 bit

Network indicator is been missing from top right corner panel in Ubuntu 14.04 64 bit When I run #sudo nm-applet nm-applet-Message: using fallback from indicator to GtkStatusIcon. Already have tried ...
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3answers
31k views

How to disable IPv6 on Ubuntu?

I disabled IPv6 on an Ubuntu box which has ssh and rsync running. But both of these are still listening on an IPv6 address. How should I fix this? root@box.com:~# sysctl ...
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0answers
14 views

Getting Ubuntu server to resolv new IP for a host name

I run a minecraft server on ubuntu 14.04 LTS on vm's using virtual box. In order for players to connect, their 'account' must be checked with Mojang, at sessionserver.mojang.com. The problem is, the ...
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1answer
13 views

Apache - server not resolving by /etc/hosts if I have not internet connection

I have configured many virtualhosts in my current apache2 server, in my local machine (Ubuntu 13.10). Those are different local sites, with domains which are set in my /etc/hosts: 127.0.0.1 ...
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0answers
38 views

Ubuntu 12.04 - no internet after wakeup, wifi/lan connected, but reaching only local network

I have a strange problem on Toshiba Satellite NB and Ubuntu 12.04 on it. This system is working flawlessly a couple of months now already, but since last week I am getting a strange problem. I put ...
1
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1answer
434 views

VirtualBox - How to connect LAN computers to Windows XP Guest

I have software in a Windows XP Guest that acts as a server. I need to have my LAN computers connect to it. Is the best way to use a bridged connection? Is there another way? I've tried setting up a ...
0
votes
2answers
30 views

Lubuntu 12.04, Sony Vaio VGN-T150, Intel PRO/set wireless (2200) wireless doesn't work

Just installed Lubuntu 12.04 on my Sony Vaio VGN-T150 after installing Win XP again; I had Lubuntu 12.04 on the laptop but wasn't getting any CPU fan operation. Tried adding vaiofand but still seemed ...
0
votes
2answers
18 views

Can't connect to one wifi network, keeps asking for password

Here's the relevant syslog stuff: http://pastie.org/9405812 Here's the output from the wireless-info script: http://paste.ubuntu.com/7821949/ My wifi works well in general, I only have problems with ...
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0answers
13 views

Routing internet traffic through vpn only when connected

I set up a pptp vpn server and can connect to it with my laptop without any problems. However, connecting to the vpn causes issue with routing (i.e. I am not about to connect to the outside web). To ...
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votes
0answers
9 views

how do i create individual user access to juju? (Theory)

Evening all, This question is an effort to find a way to allow users to have their own juju-gui, and a putty connection isn't used. I know in other posts the use of iptables comes in handy, though ...
2
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1answer
63 views

Wifi Drops and Reconnects with UBUNTU 14.04 (Realtek RTL8188)

I just installed UBUNTU 14.04 LTS on a Toshiba Satellite C655D. My wifi drops off occasionally, and all I have to do to reconnect is disable my wifi and enable wifi from the wireless icon in the top ...
0
votes
1answer
33 views

Setting up wireless hotspot to be on at boot

TL;DR: Can I set Ubuntu up to - from boot - have the wireless hotspot turned on? My mother-in-law lives so far from civilization that she can only reach the Internet through a 3G dongle, which works ...
1
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1answer
2k views

Ubuntu will not allow me to add a repository, why can't it access PPA?

When I type in this command: sudo add-apt-repository ppa:webupd8team/java The system echos something along the lines of "Can't access lanchpad.net PPA, please check your internet connection" My ...
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0answers
26 views

My wireless dosenot work on rtl8723ae

I have Ubuntu 14.04 first time wireless work great after i update Ubuntu wireless did not work OS Release Distributor ID: Ubuntu Description: Ubuntu 14.04 LTS Release: 14.04 Codename: ...
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0answers
7 views

Share internet with samsung tab over Samsung Kies & Cable [duplicate]

Here is the problem: I need internet on my Samsung Galaxy Tab 3 to update Android, but Wifi doesn't work and my mobile data plan is not sufficient (1GB MAX). I want to "reverse tether." I don't have ...
2
votes
3answers
1k views

How to check if netconsole really works?

I installed netconsole using the instrunctions given here: https://wiki.ubuntu.com/Kernel/Netconsole dmesg | grep netconsole says everything is OK, but I won't believe it so easily:) How can I ...
2
votes
1answer
58 views

Asus X550L Weak Wifi signal ubuntu 14.04

I'm new to Ubuntu OS. I've installed ubuntu 14.04 x64 on my ASUS X550LC laptop yesterday. The wifi signal is weak & getting disconnected sometimes. Searched all over the web but many site/forums ...
0
votes
1answer
556 views

Dell Inspiron N7110 Wireless Driver not working

I've been trying to figure out how to get my wireless driver to work since I installed Linux a month ago because Windows was crapping out on me. I'm new to Linux, so I'm unfamiliar with how to get ...
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2answers
6k views

Can I use Wifi and cable (Ethernet) networking at same time?

I am on an intranet that is not connected to the internet and a wifi router with connection to the Internet. When am connected to the router, I can browse the Internet but cannot browse my LAN with my ...
3
votes
3answers
10k views

How do I set a static IP address?

My eth0 is using DHCP to get IP address for Internet. However I still need to set some static IP for my LAN. The following is my setting in /etc/network/interface. Any problem on the script ? I ...
1
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2answers
19 views

While Installing the “Universe” Source I get the following error “Failed to download repository information”

this is my first time posting on AskUbuntu so forgive me if I make any mistakes in my post. About an hour ago I installed Ubuntu 14.04 64-bit, I went to the Ubuntu Software Center to install my ...
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0answers
9 views

Connect to a hub in LAN

How to connect to a hub (not public) with LinuxDC++. I wanted to connect to hubs in our campus LAN using their IP address. I typed their IP addresses in Preferences -> Connection -> Active (public IP ...
1
vote
1answer
29 views

Trying to get wifi working in Lubuntu 14.04 on Inspiron B120

I'm having a hell of a time getting wifi working on this old laptop. Google turns up lots of people having similar problems, but all the answers seem to be from 2010 - 2011 and aren't working for me. ...
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0answers
17 views

Configure port forwarding from localhost:x to z.z.z.z:y without root

Our application needs to configure simple port forwarding on runtime. I'm talking about an iptables configurations like this: iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE iptables -A FORWARD ...
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0answers
13 views

Is it possible to Disable TCP Sequence Number Checking in Ubuntu?

I want to disable TCP Sequence number checking in Ubuntu. I suspect that Ubuntu is dropping packets as Wireshark shows that the Packets arrive out of order. Is there any such feature in Ubuntu or ...
0
votes
1answer
21 views

Problem restarting the network service

Hello and thanks for reading this, I am working on network configuration, testing a few different approaches to see which one suits me best. I have installed a new instance of 14.04 server and I have ...
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0answers
20 views

Trying to install tp-link archer T2U on ubuntu

I've just installed ubuntu and I would like to get my usb wifi adapter working. Is there anyone who knows where I can get the right drivers for this? output of lsusb Bus 002 Device 004: ID ...
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0answers
9 views

Can't get DW1525 (802.11n) WLAN PCle Card working

I have a Ubuntu Server Cloud 14.04 LTS, and my wireless card is DW1525 (802.11n) WLAN PCle Card. My network is using WPA 1 as the encryption. I followed steps at post on the WPA part ...
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1answer
38 views

Can't connect to any Wi-Fi on Asus X550C in Ubuntu 14.04

I did a clean install of Ubuntu 14.04 the first and the only OS on my new laptop ASUS X550C and I cannot connect to any Wi-Fi, even toggling fn+f2 (keyboard default) doesn't swith/show Wi-Fi indicator ...