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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22 views

VirtualBox: Simulate network and DHCP Server - cant reach hosts

I have 4 Virtual Machines with VirtualBox and I want to set up a virtual network like this: The VMs have multiple eth interfaces using "Internal Networking" mode in Virtualbox. My goal is to be ...
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0answers
29 views

Only HTTPS sites are opening

After updating my Ubuntu 13.10 on 14 April 2014, I am not able to access HTTP sites while HTTPS sites are working perfectly both in Firefox and Chrome. My OpenSSL is built on: Mon Apr 7 20:33:19 UTC ...
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0answers
6 views

PPTP VPN won't reconnect after faluire

I configured a PPTP vpn in /etc/network/interfaces this way: auto tunnel iface tunnel inet ppp provider server1 The link is correctly broken up on boot or when I issue ifup tunnel, but when it ...
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0answers
38 views

Wifi is not working, host with no internet connection [on hold]

I built a 4.4ghz amd with 32g ram and 1tb hd along with a secondary 240g ssd for my gaming. This is my ABSOLUTE first time utilizing and attempting to run a non Microsoft Windows OS. Now, the ...
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0answers
10 views

Start wicd before waiting for network configuration

I have a small, usually headless media server at home, and I'm attempting to change its primary network interface from wired ethernet to WiFi. To that end, I installed wicd, which seems to be great ...
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2answers
9 views

How do I with ufw deny all outgoing ports excepting the ones I need?

I did the following: ufw default deny outgoing, sudo ufw allow out 80 which I thought would let me use the Internet but didn't can y'all help? Also are there any other ports used by Ubuntu for which ...
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1answer
27 views

How to edit /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts and similar files and why they can (not) be edited

I a trying to edit the following file (ls -alstr output): 0 -rw-r--r-- 1 root root 0 Apr 15 17:07 /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts Unfortunately, if I try to edit it with vim or simply ...
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1answer
27 views

Ubuntu server 12.04 LTS Network problem

Ok everyone, I am "sorta" new to ubuntu and am now running a Ubuntu 12.04 LTS server. I did a basic install of 12.04 lts 64-bit. After initial boot I logged in and ran 'sudo apt-get update'. After ...
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0answers
16 views

How do I connect to internet?

i have installed 12.10 in my laptop pc. but i am unable to connect to internet. it automatically gets disconnected after a minute. moreover everytime i use to download anything from ubuntu software ...
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0answers
13 views

Cannot scp/rsync into live cd

I'm trying to scp into a box running 12.04 32bit livecd. The machines are connected to same switch & can ping each other just fine. I use the usual args, eg- scp -rp ...
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0answers
23 views

IP address not displaying corectly [on hold]

Someone brute forced into my Ubuntu computer so I wanted to have my IP changed. I called the ISP, but they said they have no control over the DHPC servers for their company. I turned off the modem ...
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3answers
2k views

How do I SSH to machine A via B in one command?

I want to access a computer, say machine A which is based in my university's network. However, this computer is only accessible via the internal network of the university, so I can not use SSH to this ...
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1answer
14 views

Connect to other network to use git repo

I have used Gigolo to create a bookmark/mount for a drive that I named engineering. How would I be able to access this using the command line? When I click on anything under Computer I can find a ...
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0answers
15 views

Ubuntu Version too old for WPA/WPA2? [on hold]

I am using Ubuntu 7.04 on an "ThinkPad Z60t" for tests and now want to connect to my WLAN-network. The problem is that I am not able to select WPA/WPA2 but only WEP hexadecimal/WEP ASCII. I assume ...
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0answers
12 views

Disable 802.11n for a specific network

I was having some problems with the wifi connection with a specific router, and solved them completely by disabling the the n standard: sudo modprobe iwlwifi 11n_disable=0 This network is a network ...
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2answers
54 views

Application layer connection when using apt-get install

I know By type sudo apt-get install myprogram, I can download and install myprogram from repositories. By calling this command in terminal which kind of application layer connection will be ...
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1answer
161 views

Can't enable wifi on ubuntu 12.04 Dell Inspiron 15

I am new to Ubuntu and I know there were a lot of similar issues and I've tried to follow some of the answers on the web (e.g. Dell Inspiron Wifi off or How do I get an Atheros AR8162 working?), but ...
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1answer
135 views

how to connect vodafone k3800 dongle in ubuntu 12.04

I have tried to connect vodafone k3800 dongle but it cannot be connected even when dongle Indicating green light ( It means GRRS is connected ).. Help Please!! I am New to ubuntu
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0answers
17 views

Ubuntu 12.04 LTS no network manager after installing

I have downloaded Ubuntu 12.04 LTS for the first time and cannot get connection to the internet as the network manager has not been installed. (32 bit laptop) I have tried several options including ...
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1answer
76 views

How to know my dynamic ip is comming from which DHCP server?

The situation: On my LAN there are more than DHCP servers running and all of them are on the same range. Now I use a machine who got an IP dynamic from a DHCP server. I have to know From which ...
0
votes
1answer
18 views

How to Tell if Network Traffic is Encrypted

I'm using a program called LottaNZB to connect to a Usenet server. I've connected to the SSL port, but I'd like to check it's actually connected. How can this be done? I've used Wireshark, but I ...
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0answers
14 views

Not able to connect to Tata Photon PLus on Ubuntu 12.04.2

It seems recently there was some upgrade of Tata Photon Plus and now we need to give Dailer Pin Code '0000' to enable it before it can be used. Due to this, I am not able to use Tata Photon Plus on my ...
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1answer
68 views

I want to disappear from windows network

By this I mean to not come up as (LINUX-PC) when a windows user opens network neighbourhood. Unplugging is not an option, as I am running a multiplayer server every now and then, which we connect to ...
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2answers
101 views

Proxy on Ubuntu

The goal is to have Ubuntu machine act as a proxy for another machine on WAN. What is the simplest way to accomplish that? To explain in more detail: There are two machines on the same WAN, but one ...
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0answers
14 views

Cannot change printer name (WERR_ACCESS_DENIED)

I am having MAJOR problems trying to network-share a printer I have connected to my Ubuntu machine (the rest of the machines on the network are all various versions of Windows). I've been tangling ...
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2answers
28 views

neither kubuntu 13.04 nor ubuntu 12.04 can detect network (wired/wireless) activity

Thanks for reading, i have an HP mini 110-1030LA, it had Windows XP, tottaly functional, a little slow but funtional, i decided to install kubuntu saucy (32 bits), everythings seems to be better, the ...
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0answers
14 views

802.1Q VLAN Tag - is possible to set without editing config file?

Is it possible to make tagged vlans to be shown on network-manager like PPPoE connections? My computer is a laptop so I can't add another Ethernet card and now I must edit config file to ...
2
votes
1answer
33 views

ufw firewall disabled - How to turn it back on?

I am using Ubuntu 12.04 and just recently noticed, that my ufw-firewall is turned [off]. I know It's turned [off] by default, but when I set Ubuntu up, I turned [on] the firewall with: sudo ufw, but ...
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0answers
35 views

VPN - where to find CA certificate?

I'm trying to setup a VPN connection in Ubuntu 13.10. So I installed the OpenVPN "plugin": sudo apt-get install network-manager-openvpn Then I clicked the network icon on the top right of my ...
1
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1answer
20 views

How can I disable the network status notification bubbles?

I'm using the latest version of Ubuntu, with a Wi-Fi adaptor that Ubuntu detected flawlessly. When the internet drops out, Ubuntu gives me a notification bubble in the top right of the screen, e.g. ...
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votes
1answer
50 views

After deactivating NetworkManager, how do I add the DNS server address to resolv.conf?

I deactivated NetworkManager with sudo apt-get remove network-manager because I want to have all network configuration in /etc/network/interfaces. After system restart, I see that cat ...
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0answers
16 views

Local share access problem

since my last boot I've been having a weird issue: I can easily access the internet, and ping various websites, however I can't ping any address on my local network. I'm running Ubuntu 13.10 with ...
2
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1answer
21 views

How do I configure a machine to respond or not respond to ping requests?

How can I manage my Ubuntu machine so it doesn't (or does) respond to PING (ICMP ECHO_REQUEST - type 8) requests? Normally almost all computers in a LAN network respond to ping with an ICMP ...
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0answers
22 views

Roblox works on my Ubuntu PC! But I have a problem. How do I delete? [on hold]

Andrei here. I have some trouble! ROBLOX Works on my PC! But I have a problem. How do I uninstall? When I try to uninstall, It deletes my Home folder! That makes me throw the computer through the ...
1
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1answer
659 views

Tata photon plus can not establish connection after photon's system upgrade

My laptop is running on Ubuntu 12.04.3 and using Tata Photon Plus dongle. I configured the device through the network manager options. It worked seamlessly. Few days back I received message from ...
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1answer
52 views

Unable to connect to Ubuntu from a remote machine

In my Ubuntu I installed tomcat and deployed web application.I started tomcat and trying to access from windows like below: http://<54.85.125.1:8080>/manager I am getting output like this: ...
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0answers
25 views

WiFi adapter has problem aquiring IPv4 automatically in Ubuntu 13.10

This is a problem in Ubuntu 13.10 and it's a problem with the WiFi. Ubuntu will never connect to the network. All of my other devices work fine. The computer detects the network and pops up the WiFi ...
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0answers
26 views

some websites not loading in ubuntu 13.10 [duplicate]

when Iam trying to opening websites,the sites not loadig in but the same are loading in windows.the sites are www.speedtest.net,www.passportonline.gov.in
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0answers
21 views

Ubuntu 13.10 network doesn't work at all

i use ubuntuy 13.10 + gnome. When i load my laptop wired and wireless doestn't work at all. ifconfig showes me only Loopback, i try to turn on my wi-fi using hotkeys on the keyboard, but it don't ...
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1answer
34 views

I have network problems with kubuntu

I recently installed kubuntu and for some reason its not picking up on my wireless network. Im sort of new at this so please try to keep it as simple as possible. Thank you in advance.
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vote
1answer
17 views

How to resolve the DNS locally when there is a proxy configured?

If I configure the proxy, under Settings -> Network -> Proxy, and then try to access "http://google.com", the name resolution (IP of google.com) will happen there, at the proxy server but... How can ...
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0answers
23 views

How do I config wireless Ubuntu 12.04 Dell xps410 [on hold]

How do I set up wireless? I've entered the security, network name under ssid.
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0answers
16 views

Port forwarding to a shared internet connection?

I have a computer being shared a wifi internet connection over ethernet, and I'm trying to run a server off it. However, when I try to port forward in my router settings to the IP in it's Connection ...
2
votes
1answer
20 views

ssh -L (error: bind: Address already in use)

Pretty simple, I know that this has happened to me before. Couldn't find a good answer on AU. I was running an ssh session with ports bound: ssh -L 3000:<server_name>:22 I just lost my ...
0
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0answers
20 views

Opening ports won't work?

So I have internet connection sharing set up and I'm getting wifi on 1 computer, and sending it thru ethernet to the other, and I'm trying to run a server on the one w/o wifi. That would work I think ...
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1answer
20 views

How does the installer know what machines are on my network?

I have a home network with a few linux boxes and a Windows XP laptop. I shut down a Centos machine, removed the hard drive, installed a new hard drive, and then started a clean install of Ubuntu ...
0
votes
1answer
26 views

Web page loading problem on RealTek Semiconductor RTL8168/8111 PCI-E Gigabit Ethernet NIC

I have a problem with my network (RealTek Semiconductor RTL8168/8111 PCI-E Gigabit Ethernet NIC) on Kubuntu (Live CD). I wanted to install Kubuntu, so I tested the web browser using the Live CD, but ...
1
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1answer
355 views

Notification When someone connects to my local network , ARP, Notification file

I have a question concerning Ubuntu 12.04 LTS Desktop - notifications (same notification as Rhythmbox application when playing music back and forth), technically if I'm not mistaken it should be ...
5
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2answers
5k views

Remote Access to Owncloud Server

I'm currently trying to setup my own own-cloud server, and I've got it fully installed, configured, and accessible from within my own local network. I cannot figure out how to access it from the ...
0
votes
1answer
28 views

How to make my acer 5742G connect to network

I have installed Ubuntu 13.10 on my Acer It will not connect to wireless or wired network. Very hard to copy paste output as I have no connection to the net from ubuntu The net work from my win7 and ...