Managing and using network connectivity on a Ubuntu system

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Hostapd much slower than expected

I have a server running Ubuntu 16.04 that I would like to use as a wireless access point. The server has an Atheros AR9380 wireless card. I installed hostap and configured it to work as an 802.11n AP, ...
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1answer
49 views

SSH “Connection Refused” when trying to access from the outside over a No-IP dynamic dns hostname

I am running a server at my house with SSH enabled on it, and I have given it a static IP of 192.168.0.212, and set up the dynamic update client to keep the No-IP dynamic DNS updated. When I am on my ...
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2answers
136 views

How to install google chrome to watch netflix in ubuntu? [duplicate]

I tried to install google chrome for ubuntu users from my Firefox web browser, but that did'nt work
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0answers
10 views

Maildir directory does not exist in user directory

I am very confused for two days, usually it doesn't happen but I realized there is something wrong. Usually, I create user firstly and then create Maildir directory /etc/skel/Maildir and that (...
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73 views

Ubuntu 16.04 Mobile-Broadband USB stick sometimes not detected at all

I am facing similar issue as mentioned in following question: Mobile-Broadband stick sometimes not detected at all Whereas only difference is I am using Ubuntu 16.04 and modem as Tata Photon plus. ...
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29 views

Problem with wifi (iwlwifi)

My wifi connection has some problem: when I first boot and login to KDE it is connected to my wifi modem automatically and when clicking on the network-manager icon it display all the wifi Access-...
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0answers
125 views

Qualcomm Atheros AR93xx Wireless Network Adapter + Ubuntu 16.04 woes

NEWS: Added update 1 Added update 2 I am trying to build a new machine using the Gigabyte GA-970 G1 Gaming motherboard, together with a TP-Link TL-WDN4800 N900 Wireless Dual Band PCI Express ...
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1answer
127 views

Wifi not working in Ubuntu 16.04 LTS (Using Realtek RTL8723BE Wireless Network Adapter) [duplicate]

I've visited each and every thread on the topic and tried every solution available over the last two days, including using ethernet to import the drivers from GitHub, but my Laptop refuses to ...
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0answers
24 views

How to setup DHCP relay in ubuntu?

I am new in Linux, so please ignore if my question is silly. I am setting up 4 machines. Two machines are the servers and two are client computers for testing purposes. I am using my Ubuntu machine as ...
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0answers
10 views

Google Domains DDNS with DDclient on Ubuntu

Evening everyone, I asked the same question on stack overflow here however it has been a several days and almost no views and no hints. I am using ddclient to update google domains with my ip. ...
3
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1answer
50 views

How to change the metric of an OpenVPN client default route

I'm connecting to an OpenVPN server from Ubuntu 16.04, with OpenVPN 2.3.10 from the command line using sudo openvpn --config client.conf, or as a service using sudo service openvpn@client start. I ...
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1answer
34 views

Device Not Ready (Firmware missing)

Im using Ubuntu 16.04 LTS in network menu shown: Device Not Ready (Firmware missing). Please help me to get work my pc's wireless adapter. When i run lspci -v it shows 09:00.0 Network ...
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1answer
24 views

Two network interfaces assigned to addresses from two DHCP servers

If we have an Ubuntu box with two network interfaces (NIF1/2) connected with two other DHCP server boxes (DHCP1/2) below, DHCP1 192.168.1.1/24 <---> NIF1 DHCP2 192.168.2.1/24 <---> NIF2 so we ...
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0answers
89 views

Bluetooth adapter not found in Ubuntu 16.04

Since my upgrade to 16.04 the OS does not find the bluetooth-adapter anymore. The Laptop is an Acer Aspire V5-573G and all i can find about the bluetooth adapter is this: "Bluetooth Qualcomm Atheros ...
3
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0answers
60 views

Massive log files on Ubuntu 16.04

I recently installed Ubuntu 16.04. For some reason I have massive log files. For example: kern.log is 10.5 GB big and syslog is 152 MB. I already tried rotating them, but I wanna know what's making ...
1
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1answer
77 views

How do I get my Ubuntu web server to host on the internet?

As far as I know this isn't a duplicate, but I may be wrong. Anyways, my Ubuntu server is running a NodeJS Application and it seems to run fine. I just put in the local ipv4 address in the browser ...
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62 views

Ethernet doesn't connect in Ubuntu 16.04

I have tried editing /etc/network/interfaces and adding allow-hotplug eth0 iface eth0 inet loopback and auto eth0 iface eth0 inet loopback and auto enp1s0 iface enp1s0 inet loopback and ...
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0answers
48 views

Ubuntu 16.04 No Wifi conecting

I just bought a new laptop and dual booted an Ubuntu 16.04 LTS. There was no Wifi Adapter after which I installed bcmwl-kernel-source. Now the adapter shows but doesnt connect to any wifi. Details: ...
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1answer
25 views

How to get the RSSI of an AP I'm not connected to?

I can get the RSSI of an AP I'm connected to by simply doing: iwconfig wlan0 | grep "Signal level" But how do I get the RSSI of a specific AP that I'm not connected to? If I do iwlist wlan0 scan I ...
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1answer
27 views

Wired LAN is connected to computer but internet is not working

I'm using a Ubuntu live USB to install something to another drive but I can't get the internet to work. I've tried connecting a wired LAN, wifi, my phone as a hotspot but it never works. Oftentimes, ...
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0answers
29 views

ProxyChains - denied, Connection Refused

I recently've set up Proxy Chains on my PC: [/etc/proxychains.conf] dynamic_chain tcp_read_time_out 15000 tcp_connect_time_out 8000 [ProxyList] http 85.26.146.169 80 http 213.136.89.121 ...
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30 views

Wifi Adapter not working after installing NVIDIA graphics driver

I'm using fresh install of gnome-ubuntu 16.04 and after installing the NVIDIA binary driver - version 361.42 from nvidia-361 from the additional drivers my wi-fi adapter stopped working. If i switch ...
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1answer
63 views

“No network connection” in Lubuntu 14.04

About 3 days ago my wife did an update using software updater on her Packard Bell dot-s notebook running Lubuntu 14.04. Since then the wifi doesn't work. The applet icon has a little x and the menu ...
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0answers
25 views

How to synch time between ubuntu laptops in a local network

I'd like to synch time on all my laptops inside my local network which use a router but it has no access to public internet so I can't use remote time servers. I would like to use a laptop to act ...
2
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1answer
47 views

How to see information of a WiFi hotspot I once tried to connect to?

I would like to see some information, including MAC address, of a WiFi hotspot that I tried to connect to and failed in the past. I can not try connecting to it again any more, because it is not a ...
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0answers
22 views

UFW doesn't do anything

I have an Intel nuc running Ubuntu Server with UFW enabled and im trying to block port 8112 however i can still reach it from outside my network. I have tried the following sudo ufw reset sudo ufw ...
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0answers
11 views

Unable to turn on wireless [duplicate]

everyone. I made a clean installation with 16.04LTS, there however is a problem that I can't connect to wifi. Some info here: $ sudo lshw -C network *-network description: ...
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0answers
21 views

figthing with firewall configuration and samsung network printer in Networking & Wireless

I've configured my Samsung SCX-3205W printer and scanner in Ubuntu 15.10 and everything worked fine until I've turned on firewall. After some forums reading and some fighting I've discovered that it's ...
0
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1answer
76 views

16.04 > SSH client slow in remote server

I've got a fresh new laptop with Ubuntu 16.04 and I'm experiencing slowdown problem in console/terminal when connecting in ssh in a remote server: connexion is slow and typing char has some delays. ...
0
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1answer
22 views

hp stream 11 wifi works after reboot but disconnects after sleep and won't reconnect

I have a new HP Stream 11 with rtl8723be driver (lwfinger version with antenna select) with Linux Mint 17.3 (ubuntu 14.04) installed in place of win10. Wifi works after reboot, and works fine while I'...
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38 views

No network adapter or driver found in ubuntu lts 16.04

I have an Intel 1st Generation Compute Stick with Intel Atom Processor that was preloaded with Linux. However, to save space I installed LUbuntu 16.04 Linux LTS, but the wireless is no longer working. ...
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28 views

Real path of a cifs-mounted Windows folder

So, I am using premake4 build system (like cmake) to build my project. The executable which does this is called premake4 and is located at /home/me/Desktop. Now, to complile something, I cd onto ...
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0answers
9 views

DNS can't reslove hostnames on lan, wrt1043nd

How do I configure DNS server on my router(DNS:94.140.66.250 , 84.20.224.66) so It will be able to resolve local hostnames.
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2answers
34 views

How to connect to internet when system graphics is not working and I can use only terminal [closed]

How can I run commands on my system in terminal that require internet connection? I am using a live usb. In my system graphics is not working. And I am unable to connect to internet using terminal.
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0answers
45 views

How to use chrony to synchronize timestamp on two computers

I need to compare results which come from two different laptops. Each laptop has a different set of sensors and in order to correctly compare them I need to have the same timestamp on both laptops. ...
1
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1answer
33 views

Domain controller IP address change

Sorry if my question sounds obvious, but I'm getting started here. I wanted to change my recently configured Domain Controller's static IP on Ubuntu 14.04.4, Samba 4.4.4 since I experienced some ...
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1answer
31 views

Unable to set a static ip for Xubuntu system

I want to set static IP on my machine. This is what I have now: root@jim-VirtualBox:~# ifconfig enp0s3 Link encap:Ethernet HWaddr 08:00:27:81:10:5c inet addr:192.168.1.6 Bcast:192....
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0answers
48 views

Ubuntu 16.04 not seeing Ethernet card

I have a PC with Ubuntu 16.04. I have been using it for 2 months and everything was good. I connected manually to Internet using sudo pppoeconf and then system had been doing it automatically ...
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0answers
73 views

Ethernet and WiFi not working on Ubuntu 16.04 [duplicate]

I recently upgraded from 14.04 to 16.04. Ethernet and Wifi are not working. I tried plugging in the ethernet cable but it did not work, Dialogue box appeared saying "Ethernet disconnected". I ...
0
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0answers
29 views

l2tp gives error 410 on attempt to connect on VPN

I'm getting error 410 while trying to connect via L2TP. This error occurs very often, but sometimes I'm able to connect, which leads to a fact that I customized everything properly. I have Ubuntu 14....
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1answer
21 views

Does rsync over ssh require use of UDP?

I have a remote rsync backup to a server running over ssh, using NAT to specify a non-standard high numbered port on the router. Is it ok to only open the port on the router, and the ssh port on the ...
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0answers
29 views

Fix slow wifi on Asus UX303 and Ubuntu 14.04

I have a Asus ux303ln-r4290h. Sometimes I have a very unreliably and slow Wifi connection (sometimes it works perfectly). I tested it with curl and google and it took 14 seconds to load. DNS lookup, ...
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0answers
19 views

Can't Set Static IP - Ubuntu 14.04.03 - Server

I am configuring a few servers all with the same basic configuration. We first set the DNS/Domain in /etc/resolvconf/resolv.conf.d/base cat /etc/resolvconf/resolv.conf.d/base domain domain.com ...
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0answers
36 views

Unattended install of 16.04 from a CentOS server

I have a deployment server running CentOS 6 that holds a lot of different images. I'm trying to set this server up to deploy Ubuntu 16.04 repeatedly, however during the installation I get the ...
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0answers
47 views

Wired connection randomly drops

I have Ubuntu 16.04, and a wired connection that randomly drops. I know there have been similar questions outthere. Most of the answers and solutions suggest dowloading the correct realtek driver (...
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0answers
19 views

juju bootstrap failure while installing LDS package

Trying to juju bootstrap the Landscape Dedicated Serverand getting the error below. Proxy is set in bashrc with http,https,HTTP,HTTPS,no-proxy; I did try IP forwarding and masquerade, and MAAS Key ...
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0answers
57 views

OpenVPN in ubuntu 16.04

I followed these steps: https://www.youtube.com/watch?v=tcx2-EkYYDg and installed network-manager-openvpn, network-manager-openvpn-gnome, network-manager-pptp, network-manager-vpnc but it can't ...
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0answers
22 views

Need Help Networking w/ Win10 and Ubuntu 16.04 LST

My Linux box does not have a wireless network card so I want to take the WiFi connection from my Win10 Laptop and run it to my Linux box so I can get internet access. My current setup (that is not ...
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0answers
12 views

Motor Control with Firewall Application

I am working on a project which calls for 4 axis coordinated motion control along with a multi port firewall all in one. In reading through the forum it appears that the Snappy Core would be a good ...
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0answers
34 views

Why is my ssh connection so slow?

There has been similar question been asked time ago, but has no answers. I noticed today that my connection with ssh to other computer on local network it was very slow. When typing in terminal the ...