Managing and using network connectivity on a Ubuntu system

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Network Adapter & System Time Problems on my ROG GL552VX Laptop

Every time I first boot my new laptop into 16.04 LTS, and then reboot into Windows 7 (needed for my work), I get those 2 problems : 1) System Time gets a 2 hours difference in Windows (5.14pm under ...
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64 views

Setting Up External DNS and Nameserver Through GoDaddy On a Dedicated Server

I have setup a new dedicated server running Ubuntu 16.04 and Server pilot, Example IP of 111.222.333.444 I purchased a domain through GoDaddy, will call this example.com. I created 2 Hostname ...
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29 views

What is the best way to restart NFS service after reboot?

I export my shares by using host names like: /export myubuntupc(rw,...) mywindowspc(ro,...) After boot up exportfs fails to resolve host name until I restart nfs-kernel-server manually. This ...
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16 views

Configure Hamachi on VM host for all guests

im running Ubuntu 16.04 as a VM host for a Windows 10 guest in which i would like to play a game with some friends, this can be done with hamachi. The thing is, i want to know if i can log in hamachi ...
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28 views

“Network Connections” Showing wired connection. I don't have a network card

Opening Network Connections tells me that I have connected to "Wired Connection 1" some time ago, but I've only ever connected wirelessly, not to mention that my PC doesn't even have a network card! ...
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16 views

Accessing port forwarded server with domain name instead of IP address

Recently, I set up an Ubuntu desktop 16.04. I want to use it as a web server, FTP server, email server also have SSH access (All this is just for learning purpose for now). I have internet connection ...
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41 views

Wireless Network not showing Ubuntu 14.04

I cannot connect to my wireless network. I have referred many stack overflow questions related to this and the one that I found closest, perhaps the exact was this one, the difference only being that ...
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40 views

Setup Internet Access on Ubuntu Server

I installed the Ubuntu server 16LTS. during the installation network setup was not done now how do I configure the machine to access internet.
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50 views

Xenial Xerus - can see WiFI networks but can't connect

I have TP-Link wn8200nd USB adapter, installed Ubuntu 16.04 on my PC together with the previously installed Windows 10. The problem is I can't connect to the Internet so any solution with downloading ...
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25 views

Wireless settings problems

I have switched the networking key, but the option for enabling wifi on the network bar is not showing. Only the 'enable networking' option is shown and none of the available wireless networks are ...
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40 views

ShadowSocks client doen't work

I just installed Shadowsocks on my ubuntu server. I can connect to the server via Android or Windows. But I can't connect to the Shadowsocks server via my Ubuntu Desktop! I have installed ShadowSocks ...
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1answer
67 views

Static DNS in Ubuntu Server 16.04 [duplicate]

I am a complete new-be when it comes to Linux and even more so when it concerns Ubuntu. I want to configure the IPv4 settings to have automatic assigning of IP address but manual assigning for DNS. ...
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19 views

Network manager shows LXC network as Ethernet

Since I installed LXC, the network manager icon in the top right corner always shows me as being "online" ie the double arrow symbol that appears when you have an Ethernet connection. Since the LXC ...
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35 views

Multiple IP addresses with bonded interfaces

I have a server with two ethernet ports and I have bonded them together with the following config in /etc/network/interfaces: # The loopback network interface auto lo iface lo inet loopback # The ...
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13 views

Inspiron 15 3000 series unable to connect to the net through my RPi router

I just finished my router with my Raspberry Pi, I am even able to join its network which says that there is plenty of connection available. Yet when I connect to this network, nothing is able to load. ...
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17 views

Random loss of static IP (multi-homed setup)

I have few Raspberry PIs installed Ubuntu Mate 15.10 and configured them with both DHCP and static IP addresses on eth0. The /etc/network/interfaces looks like this: # interfaces(5) file used by ...
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27 views

SSH not working from Internet

I have installed Ubuntu 16.04 LTS On Intel® Desktop Board DH55TC With Intel® Core™ i3 CPU 540 @ 3.07GHz 500 GB SATA hard drive Connected to 42" LG TV with HDMI cable TP-Link 300 MB USB wireless LAN ...
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56 views

Help with wireless rtl8723be

So I was having connection problems in linux only and then found this: https://chirath02.wordpress.com/2016/05/12/installing-realtek-rtl8723be-driver-for-ubuntu-16-04/ After finding this I have found ...
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31 views

need help debugging server networking

I have a basic headless Ubuntu 14.04 setup with mythtv (with ethernet attached HDHR silicon dust ASTC receiver), mysql, apache, and ssh. Everything was had been running pretty well for a long time, ...
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2answers
76 views

How to Block a range of IP address with UFW

I am trying to block a range of IP address on my Ubuntu 16.04LTS server from a specific country, i.e. China, Iran, etc. I was hoping to find a script or something I could run to easily make a ...
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43 views

Realtek RTL8327B Wireless LAN 802.11n USB 2.0 Network Adapter not working in Ubuntu 16.04

Pretty much as the title says. This is an extremelly generic notebook from a local argentine brand. The model is PCBOX Kant 4, and it uses the network adaptor stated above, instead of a PCI one like ...
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51 views

Dial up networking server?

I want to network computer 1 and 2 using a phone line. Computer 1 is connected a network, computer 2 wants to access that network in some capacity using a phone line. Is this possible?
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1answer
64 views

My WIFI connection randomly drops

My Wifi connections randomly stops working. And the only way to "bring it back", without a click on wifi icon, is to open the terminal and type sudo service network-manager restart then it's ...
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18 views

No wired connection until suspend

Whenever I turn computer my wired connection is not working. The network manager sees the connection but it just keeps "Setting network address". The whole problem is fixed by suspending and waking up ...
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1answer
25 views

resolv.conf did not reset after VPN disconnection

My computer ran out of power while I was connected to a VPN, and when I turned my computer back on I was unable to access any websites. My resolv.conf file looks like: # Generated by expressvpn ...
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1answer
27 views

16.04: editing /etc/sudoers to allow NetMan restart w/o password

I want to be able to restart Network Manager without having to enter my password every time. I did sudo visudo and added this line: %sudo ALL=(ALL) NOPASSWD: /bin/systemctl restart network-manager....
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16 views

MySQL works fine with GUI, but won't start without it. Ubuntu-mate

This one is making me nuts. I have a Raspberry PI 2B with a Ubuntu-mate 16.04 installation. I use it to run PLexmediaserver and Owncloud, the last one over Apache, MySQL and PHP 7.0. Ubuntu-mate for ...
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1answer
37 views

How to connect two differents virtual machines (VirtualBox) using IPv6 and gateway

I am trying to create a virtual machine and clonate it. When I have the copy, I try to connect them using IPv6 but I don't know how I can do it. This two virtual machines are Ubuntu 14.04. I need a ...
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33 views

Wifi disconnects after sleep and after reboot Intel Centrino Advanced-N 6205 [Taylor Peak]

I'm an Ubuntu newbie and I'm enjoying everything apart from the wonky WiFi. After sleep, or after reboot I often lose my WiFi connection and can't get it back (WiFi card works in Windows). I've ...
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36 views

Set up VPN connection with vpnc with private key and internal routing

I'm running Ubuntu server 14.04 on AWS. I want to connect to the network of a business partner who uses Fortigate via VPN. I learned that using OpenVPN is not possible to use as a client in this case. ...
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48 views

“wifi disconnected” - xubuntu 16.04

My machine frequently faces the problem of wifi disconnecting. It would work only after restart. Ethernet works though. No problem with my router too, since my phone is connected to it. I restart the ...
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1answer
48 views

Command to Connect Huawei E3272 HiLink

I have edited 40-usb_modeswitch.rules and added the device. When I plug it in, Ubuntu automatically connects it sometimes. However, it doesn't do anything other times. Restarting, reconnecting, etc....
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62 views

Updated WiFi fix for Yoga 13 and Ubuntu 16.04?

I have a Lenovo Yoga 13 and I was running 14.04 on it and I've since upgraded to 16.04. I applied the fix descibed here (Lenovo Yoga 13 Realtek wireless driver) with 14.04 and it worked but no longer ...
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1answer
45 views

Cannot connect to the Internet, wired or wireless

I have no network connections (wired or wireless). I know nothing about Ubuntu or its commands. All I can tell is that both of the interfaces are enabled but they do not connect. I need some ...
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2answers
24 views

How to setup media-server on ubuntu watch movies on mobile in local network and from internet?

I want to setup a media-server to store movies and videos in Ubuntu and play and watch them on a mobile device or a tablet. What i have to do to make that happen ?
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54 views

Realtek RTL8723BE wifi card not detected and no internet via Wifi or Wired connection [duplicate]

When I am installing Ubuntu I cannot connect to my wifi network. It keeps trying and finally fails. After installation I am not able to use internet either via WLan or even if I directly attach the ...
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36 views

Wifi connected but no internet access?

Hi I'm new to the world of Linux and I just installed xubuntu on my laptop. The issue im having is that In network manager it says I'm connected but I can't download any updates from the cmd line or ...
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54 views

Meizu Pro 5 Ubuntu Edition OTA-11 - 2G/3G issue

I bought Meizu Pro 5 Ubuntu Edition about month ago from jd.com. Device was shipped with OTA-10.2 and everything was working fine. Some little problems first when i was calling and my number wasn't ...
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1answer
48 views

Issue with certain websites

I'm using Ubuntu 16.04 and home WiFi. There are certain websites that cannot be accessed, e.g. udacity.com, under Chrome and Firefox both with latest version. And I have dual OS, it works properly on ...
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37 views

SSTP connection established, but doesn't work

I need to connect Ubuntu 14.04 (64) server to Windows VPN. I've installed sstp client sstp-client (1.0.10) with lib, setup /etc/ppp/chap-secrets and a /etc/ppp/peers/mypeer Seems, on sudo pon ...
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1answer
67 views

WiFi is not working and doesn't show up in Network Manager and System settings

I have Ubuntu 16.04 and my wifi icon has just disppeared. It doesn't even show up in System Settings. The result of sudo lspci -nn is: 08:00.0 Network controller [0280]: Ralink corp. RT3290 Wireless ...
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30 views

Some websites are not loading when connected to the Internet through the “Network Manager GUI”

I think the question says it all. I don't know why did this happen. When I tried to connect through the "Network Manager" GUI, some websites simply didn't load at all. My machine is running Ubuntu ...
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1answer
63 views

Cannot access the Internet even though ethernet is connected? DHCP problem

I am currently running Ubuntu 14.04 on my Lenovo z500 laptop. I use the same laptop at my work and at my home. MY work place uses a static IP so I have to manually set my IP address in the network ...
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1answer
120 views

Network connection quickly disconnects when tethering to phone in ubuntu 16.04

I want to share my (Android) smartphone's data connection via USB tethering on Ubuntu 16.04. But unfortunately when I connect the usb cable and select tethering after a few seconds my network ...
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33 views

14.04 Server can't connect to Wifi with ifup; wap_supplicant throws “ioctl[SIOCSIWENCODEEXT]: Invalid argument”

I moved my 14.04 home server to a new apartment that can only access the internet via Wifi. This machine used to have a desktop version of 12.04 that connected to wifi fine via network-manager (so I ...
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23 views

Connecting to Windows 10 Network from Xubuntu (14.04.4) File Manager

I would like to access my shared folders on my Windows 10 laptop (and see what I can see from Windows) from the Xfce File Manager's Browse Network. It can see the computer by name and also lists ...
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90 views

Wifi connecting, but no internet connection. New 16.04 install on new laptop

Old laptop died (HP Compaq 6910p) so I bought a brand new laptop yesterday, HP Pavilion 17-g121wm. I installed Ubuntu 16.04 from a USB stick and made the laptop dual boot. Wifi connects, but I ...
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39 views

Linux incompatible with work access points?

just started a new job. When I connect to the network at work using Kubuntu 16.04 it takes a few minutes to reach a destination (if it reaches it at all). I don't have this problem at other places (...
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3answers
149 views

Unable to properly set static IP in Ubuntu 16.04

I'm trying to setup a static IP on an interface in Ubuntu 16.04. It's for a local connection with no DHCP server or DNS configuration. I've tried doing it from the Edit Connections GUI as well as from ...
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32 views

redirect traffic from server 1 to server 2 on specific ports

I am trying to redirect traffic from server 1 on IP A to server 2 on specific ports and IPs. i am using this rule as an e.g. - iptables -t nat -A PREROUTING -s 192.168.1.1 -p tcp --dport 1111 -j ...