Questions tagged [networking]
Computer networking is the connection two or more computing devices for transmitting and sharing data. The devices use common communication protocols over a physical or wireless connection. Use this tag for questions about managing and using network connectivity on an Ubuntu system.
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VPN in non-browser applications?
I am at a boarding university with restricted internet access (most broad-band using sites (YT, other video sites, gaming content sites) are blocked). I can bypass the YT blockade easily in browsers ...
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WiFi card not detected
I've installed Ubuntu 14.04 yesterday and all it's updates as well as I read many solutions on Google for how to get Ubuntu to detect your WiFi card and nothing worked, probably because my WiFi card ...
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juju no route to host
I have set up a system as described below.
A server connected to the internet(192.168.16.250) and also to a switch(10.1.1.100). I have nat configured on the switch facing interface and can access the ...
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How to make a publicly shared file server
I want to make a file server on Ubuntu that I can access from any Windows computer. I don't want a LAN server, I want a world wide server. I already fooled around with Samba and Apache2. (note: I am ...
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When trying to install new wifi driver, along with dkms, got error 'no module source directory'
I have constant wi-fi drops with Ubuntu 14.04. I was trying to fix this issue with the following code:
sudo apt-get install --reinstall linux-headers-$(uname -r) linux-headers-generic build-essential ...
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Help installing WIFI USB adapter from Alfa, model AWUS036AC on Ubuntu 15.4
I recently purchased the WIFI USB adapter from Alfa, model AWUS036AC. I downloaded the latest Linux driver from their website AWUS036AC_036EAC_ACH_linux_v4.3.8_12175.20140902, but unfortunately being ...
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hostname -I spamming more than one IP address
Sometimes I run
hostname -I
on my machine and got only one local IP returned like 192.168.0.10, but lately, there is occasions where I type it and got in return both 192.168.0.10 192.168.122.1.
...
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How to set up a network of Ubuntu virtual machines via Virtualbox?
I am trying to create a network using 3 virtual Ubuntu machines (master, slave1, slave2).
I hope posting this question here is acceptable. I'm not sure if the problem lies within Virtualbox ...
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Laptop can't connect to wired internet
Ubuntu 14.04. It detects wired connections but can't get an IP address. I've tried it with different wired networks and each time had the same problem, both with nm-applet and wicd. My other computer ...
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Is port 5432 open for postgres?
Here is the output of the netstat command on ubuntu 14.04 server:
admin@ibm-testbox:~$ netstat -tulnp | grep 5432
(No info could be read for "-p": geteuid()=1000 but you should be root.)
tcp 0 ...
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Unclaimed Network: install error 127 + 2 and execvp blacklist.sh permission denied with Intel Wireless 8260
I think I have the same problem and have attempted the solution described here only to have a permission denied error. I have also tried the following but get Log output: 0: hci0: Bluetooth Soft ...
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WPA2 and EAP cannot connect like other devices
My company uses WPA2 Enterprise encryption. I entered everything like so. I have seen this issue a couple of times on this forum, but I have a slightly different question. We connect to this WIFI ...
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Qualcomm Atheros Device [168c:0042] (rev 30) With Ubuntu 14.04 is not working
I bought a Lenovo ideapad 300 laptop and installed Ubuntu 14.04 on it.
The laptop's wifi card is Qualcomm Atheros Device [168c:0042] (rev 30).
I don't want to upgrade to 15.04 or 15.10 as I am ...
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Protect Ubuntu system from MSFvenom attacks
I have been reading about MSFvenom and its usage as a tool to attack devices connected to a common network (for example, see here and here). Kali is a well-known Linux distribution that implements ...
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dig times out while host works
I'm currently running a relatively fresh installation of Ubuntu GNOME 15.10 on a notebook connected via Wifi. Other network interfaces are present (mobile broadband, ethernet) but apart from the lo ...
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MacBook Pro Retina late-2013 WiFi BC4360 - "FOUND UNSUPPORTED PHY" [duplicate]
I've just booted Ubuntu 15.10 from USB dongle on my MacBook Pro Retina late-2013 and WiFi networking doesn't work. I can see the following output in DMESG and LSPCI
[ 19.556114] cfg80211: World ...
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Network interfaces, reseting, default
I messed my /etc/network/interfaces up, at some point of configuration I accidentally encoded it, so the state is read-only.
From then my system wont start this:
Starting configure network device ...
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Cannot RDP to another Ubuntu box
I have Ubuntu 15.10 running on my desktop PC and my laptop. On the desktop PC I have enabled sharing in Desktop Sharing Preferences:
Next I am trying to use remmina client to connect to Ubuntu on my ...
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ubuntu network connection broken after windows 10 november update
I have a dual boot desktop running windows 10 (pro) and Ubuntu 14.04; everything was running fine until I updated windows 10 to version 1511 (the November 2015 update). Since the update my (wired) ...
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Killer Ethernet 2400: no wired internet
I have a Z170 Gaming K6 motherboard with a killer ethernet 2400. I have just installed Ubuntu but I'm not getting any internet even though I connected it with a wired connection to my router. I have ...
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Is there a better way to connect to my NAS drive then smb://[IP address] with Lubuntu?
I have lubuntu 14.04 installed, connected to a Virgin Broadband router, with a Seagate Media NAS drive also connected to the same router. Samba is installed.
From Windows 7 (on a different computer), ...
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Make work rtl8187 and ath10k together
I have a problem since I have made work my Killer Wireless-AC 1525 working with Ubuntu. I have followed those instructions (#209):
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1383184
I ...
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To establish a server in Ubuntu which version should I install Desktop version or the server edition?
I know Ubuntu has a distribution which is for server purposes (Ubuntu Server Edition). But:
Is it necessary to use Ubuntu Server Edition?
Will working on Ubuntu only works?
Please shade some lights ...
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How to send photos from my Canon photo camera to my laptop via Wifi?
I have a Canon SX610 HS photo camera which aims to be able to transfer data over wi-fi to my laptop.
I have no idea how to set that up. In the camera settings I have:
NFC: ON
Password: OFF
Target ...
- 9,523
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I broke my etc/network/interfaces file!
I'm trying to transfer a domain name to a new IP address, and am following this tutorial to enable IPv6 for my Digital Ocean droplet. I was on the step "Making the IPv6 Configuration Persistent," and ...
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Ubuntu 14.04 Install Firmare released for ath10k_pci
Follow up to Ubuntu 14.04 Wireless not working: no network interface. Atheros [168c:003e] device
The devs have released the firmware (as noted in the bug report)
Now, I have the firmware installed ...
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"Add Network Folder" in Dolphin opens LibreOffice
I recently upgraded to Kubuntu 15.10. Since then, when I noticed a strange behavior when using Dolphin to access network folders:
I go to the Network place and then I click "Add Network Folder". I ...
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How can I disable Wi-Fi on router from terminal? [closed]
I have a Ubee DDW3611 router with Wi-Fi and main computer connected via cable to this router. I would like to disable / enable the Wi-Fi on router in terminal running some script. I have the admin ...
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Virtualbox DHCP Server
Currently my network is using the subnet 255.255.248.0 or /21.
My DHCP Server is listing in the range 3.1-3.254.
Everytime I create a virtualbox the client get an IP from the DHCP Server, after I ...
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Enable WiFi not showing up on a fresh install of Ubuntu 15.10 [duplicate]
I recently switched from Elementary OS to Ubuntu 15.10 for Virtualbox,
but when I completed the installation and tried to connect to my local WiFi network, there was no Enable WiFi button. Only an ...
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Can only connect once to wireless network on Kubuntu 15.10
After upgrading from Kubuntu 15.04 to 15.10, my wireless network adaptor cannot connect to a known network. Instead of auto connecting to known networks or at least connecting when I press 'connect' ...
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15.10 can't connect to wired connection
I was previously toying with using 15.04 on my office computer, and it worked fine out of the box. This week I decided to give it another shot with 15.10 (using beta 2, then the past 3 days' daily ...
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Can I configure dhclient to execute a bash script after a successful DHCP renewal?
I'm still new to Ubuntu, and just installed Ubuntu-server 14.04.3 LTS. I've signed up for dynamic dns and opted to use a bash script by updating my ip address on the dynamic dns website's exposed ...
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ASUS ROG G750JS, Ubuntu 14.04, Wifi doesn't connect with modprobe wl
I have an ASUS ROG G750JS machine, in which I installed Ubuntu 14.04.3 LTS. I had two problems with the installation:
The system froze when I asked it to reboot or shutdown. I solved it by adding the ...
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How to force/request vlc to buffer a video completely?
I'm watching videos on network mounts of a home server (cifs or nfs - that shouldn't matter) and experience the videos to cut during reboots during maintenance because the network mounts are not ...
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Bluetooth not working - Ubuntu 15.04 Qualcomm Atheros AR9485
I have Lenovo G510 with Ubuntu 15.04, and I just don't see the bluetooth
(It did worked it the past)
elichai2@Lenovo-G510:~$ uname -a
Linux Lenovo-G510 3.19.0-30-generic #33-Ubuntu SMP Mon Sep 21 20:...
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Route only HTTP(S) traffic through VPN
I have a ppp0 interface set up as a VPN tunnel using this guide. Now I need to route traffic on specific ports (80, 443) through the ppp0 interface. Ideally, if the VPN server is down, all the HTTP(S) ...
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Can't reach certain web site/server via DNS, only with ip
I am having trouble getting to a certain server/website online and also connecting to the server with ssh USERNAME@HOSTNAME. Am using a machine with Lubuntu 14.04. I can connect to the server from all ...
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Change the DHCP range for LXC without changing physical interfaces
I am trying to change the DHCP range of my LXC containers. By default , ow addresses given by the dhcp are 10.0.3.X. how can I change this range so my containers can have IP in the range 10.0.2.X.
PS: ...
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Can't connect to internet on minimal Ubuntu
I just installed minimal Ubuntu to a pendrive. I did this by using VirtualBox, connecting the pendrive to it and installing to it. I did not install any additional software. But when I booted to it I ...
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Ubuntu 14.04, Wifi is disabled by Hardware Switch - Lenovo G50-80, Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter (rev 01)
I have brought new Lenovo G50-80 Laptop and make it dual boot. My wifi works fine in Windows 8.1, but not working in Ubuntu 14.04, showing Wifi is disabled by hardware switch. When I do rfkill*, I got ...
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DNS Name resolution problems [closed]
When I try to initiate PayPal API hook, I got timeout error.
While trying over terminal, I found problems these:
Web API Request returns:
Connection timed out after 10365 milliseconds
traceroute ...
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Mask my Desktop for my ubuntu-based Wifi hotspot/router
I used Ubuntu to build a Wifi HotSpot. You can join the Wifi and access Internet. It is used in some area without lots of Internet access in Africa, Island and Greenland.
Since we're responsible for ...
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How to diagnose /etc/hosts file having no effect
Right now, on my Ubuntu 14.04 desktop, for testing purposes I've changed the /etc/hosts file to something very simple:
127.0.0.1 localhost
127.0.0.1 something
However, this simple configuration ...
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Autostart script to notify me on connection issues
My network connection is sometimes not very stable and starts to drop packages or entirely break every now and then, which requires me to restart the network connection or sometimes temporarily unplug ...
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Is there a way to access the WiFi connection through the shell?
Is there any way of seeing/manipulating connection represented by the WiFi symbol on the desktop?
For example, programmatically connecting and disconnecting to a router.
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Is sharing a mounted USB drive on Samba without a password a security risk?
At my low level of expertise, the only way I can share a mounted external drive from Ubuntu 14.04 to Windows computers in my house is to use the Samba GUI to share it, then edit smb.conf to add "force ...
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Google sites are not opening [closed]
I'm using Ubuntu 14.04 and I'm having a strange issue, I have no idea what else to do...
1) Some Google sites/functionalities are not opening. GMail works but the browser tab keeps loading forever, I ...
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"Network error: Connection refused" in Putty when I'm trying to connect to my remote home Ubuntu server
I just set up a linux home server using http://linuxhomeserverguide.com/. I can connect to it from my desktop PC at home via putty using a local ip like 192.168.1.2 (just an example ip), but I want to ...
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localhost is wrong ip address
I'm having a bizarre problem. It started with postgresql-9.3 not installing. I found it couldn't find localhost.
I checked /etc/hosts and it has localhost properly as 127.0.0.1
But when I
ping ...
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