Managing and using network connectivity on a Ubuntu system

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Terminal fails to connect to a proxy server

I am trying to connect to the proxy server of my university. I have successfully logged in to proxy via firefox but when trying to use ftp or wget I get the following error: Resolving ...
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2answers
180 views

wifi problem on ubuntu 16.04..!

I have installed Ubuntu 16.04 and and there is no sign of wi-fi, no on/off indicator I have seen all the solutions on internet: how to handle wi-fi problems, but none worked for me. I have HP ...
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27 views

BCM43602 - bluetooth not working - sees device MAC but won't pair

This is a new XPS 15 9550 with the BCM43602 (14e4:43ba), and I am running Ubuntu 16.04 LTS. When I try to use the standard bluetooth manager, it searches and finds a device with a MAC (but doesn't ...
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44 views

WiFi Not working in After Installation in ubuntu 16.04

all I am facing a problem with my wireless. When I tried Ubuntu 16.04 Live, Wireless was working fine, but after installation Wireless is not working, My Machine in HCL ME (i3). The Machine has ...
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Lose mount with external folder

I have a project that run in a virtual linux server, when a user upload a file, the server store it in a folder in other windows server. To connect the server I had modify the /etc/fstab file: ...
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wifi not working. Asus x550c ubuntu 14.04

some outputs: sairam@sairam-X550CC:~$ lspci -nnk | grep -iA2 net 03:00.0 Network controller [0280]: MEDIATEK Corp. MT7630e 802.11bgn Wireless Network Adapter [14c3:7630] Subsystem: Foxconn ...
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71 views

Ubuntu 16.04 connected to WiFi, no Internet

I just did a fresh install of Ubuntu 16.04 over the weekend. My family had to reconfigure our gateway and router setup since then, and in so doing I lost all Internet connection on my computer. ...
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2answers
51 views

sshfs giving “remote host has disconnected”

I am trying to mount an sftp connection into a folder using sshfs with the following command which throws an error. ~$ sshfs admin@example.com:/ testfo remote host has disconnected The same error ...
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12 views

System Wide Proxy Setup - Must Or Optional

I would like to understand few things about system wide proxy on ubuntu. When a system wide proxy is set from network settings, does all applications (regardless from user) use this proxy or can ...
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Sharing Tor socksport via wired ethernet connection?

Using Ubuntu 16.04 on both machines. I've been able to share my VPN IP between devices with an ethernet cable. The host running VPN and Tor: IPv4 Settings: "Shared to other computers" IP Address: ...
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57 views

Unable to run ifdown eth0 && ifup eth0

Joining our Ubuntu farm to a windows domain and after adding the DC's IP to /etc/network/interfaces, I try to bounce the interface as I've done on other Ubuntu servers and it errors out. ifdown: ...
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How to control startup options of dnsmasq?

I'm on Ubuntu 16.04 Xenial and Network Manager started dnsmasq for me with these options: ~/ ps awux|grep dnsmasq nobody 2649 0.0 0.0 54488 3588 ? S Mai23 0:00 /usr/sbin/dnsmasq ...
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33 views

eth0 not working anymore after trying to set static ip

Hi I tried to set up a static ip and have lost the ability to use eth0, I can see that it is there but disabled, tried the edit with the auto eth0 and DHCP but to no avail, been trying all sorts of ...
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9 views

maas: ntp/named creating massive logs

I've just installed on 14.04 (Version 1.9.3+bzr4577-0ubuntu1 trusty1) and am starting to adapt nodes to be recognised by mass so they can be commission). However gigantic logs are being created, 25GB ...
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19 views

How can outgoing REST API requests be captured? (with request details)

Are there any tools to capture outgoing REST API requests (HTTP) that can show the request details (headers, body, host)? I've been trying to do it with httpry and tcpflow but I can't get it to work. ...
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Ubuntu 16.04 wired connection keep disconnecting

My network connection is switching off every several minutes. Output of lspci -knn | grep Eth -A2 00:19.0 Ethernet controller [0200]: Intel Corporation 82566DM-2 Gigabit Network Connection ...
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16 views

Imac 5,2 freeze with lubuntu 16.10

I have an intel dual core Imac 5,2. I installed lubuntu 16.10, but sometimes it freeze! Maybe is the video card? Searching on google I find this: If the output from this command: lspci -nnk | grep ...
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27 views

Firewall with ability to block manually temorarily ip addresses, ports?

I have made a DDoS detection system that gives me info about malicious IP addresses and ports need to be blocked. Does anyone knows good solution of firewall, allowing me to do that. More automated ...
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30 views

ethernet connection not working in ubuntu 14.04

I changed my OS yesterday (scientific Linux->Ubuntu) I removed scientific linux completely There was no problem in connecting to internet before but as soon as I switched into Ubuntu, ethernet ...
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28 views

cannot access the wifi

I have installed Ubuntu 14.04 LTS on my laptop. Under the networking menu at the top, it is not showing any WiFi options. How can I get Wifi working in Ubuntu 14.04 LTS?
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1answer
25 views

Unable to Connect to Internet, make Command Not Found, and cannot install my drivers

Ubuntu 16.04 xenial - Minimal server - fresh install from USB - Eee PC Asus 1005PEB I can't get online. I think I need drivers because: ifconfig shows inet addr:127.0.0.1 All pings result in: ...
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50 views

Ubuntu 16.04 LXD Openstack Network

I have installed Ubuntu 16.04 on 4 Nodes, Installed Openstack Mitaka, one node as compute, running nova-lxd. After installation, I can login to the dashboard, create a new instance, using LXD as the ...
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1answer
14 views

pinging from GNS3 router to Ubuntu bridged network and vice versa

I have installed Vmware on Ubuntu Server and created multiple VMs and connect them to different VMnet adapters. Actually I created 30 VMnet on the server. So I have the physical network adapter in ...
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26 views

Configuring Ubuntu as internal network router

I am configuring an internal network using Virtual Box and 4 Virtual Machines. I have configured all the interfaces and messed a bit with IP Forwarding and IP Masquerade on Host which would be the ...
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24 views

Qualcomm Atheros QCA9565 not detected by ubuntu 16.04 Dell Inspiron

Purchased Dell Inspiron and I can't get the network card to work. The network card is picking up SSID but fails to connect to any, so I'm wondering if this is maybe an issue with my router? Output of ...
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Ubuntu 14.04.4 LTS: Firewall - block countries

I'm having trouble with my VPS. IPs from both China and Russia is trying to brute-force my VPS (not like there's anything interesting), and it's annoying. I'd like to ask, if there's any way I can ...
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20 views

kubutnu xenial (16.04): No wireless on lenovo Thinkpad E145

I have installed xenial on three generations of Thinkpads (T43, T510 and the above mentioned E145). In the first two cases, wireless started out of the box marvelously. On E145, however, it does not, ...
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1answer
50 views

WiFi too slow compared to cable internet. Ubuntu 14.04 Intel Wireless card

First I'd like to say that I have searched a lot and tried many things to solve my problem. But nothing seems to work. I have a Dell laptop Inspiron-5448 with Ubuntu 14.04. It is new and Ubuntu came ...
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1answer
23 views

Changing Network Adapter in KVM

I'm building a server to be deployed on a KVM host in the near future. I'm building the machine on my personal laptop in KVM using the virt-manager GUI for KVM. To begin with I kept most of the ...
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1answer
12 views

Sync specific folder between two Ubuntu machines when connected to the same LAN

I have two Ubuntu machines, a laptop and a desktop. What I wish to do is, to create a folder in both machines at paths 'path1' and 'path2'. I want to set up sync between the two folders whenever they ...
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40 views

WI-FI not detected after installing UBUNTU 16.04 LTS 64 bit

I had purchased a new laptop HP 15 AC179 TX which having radio card(RTL8723Be) & as per my plan I was install Ubuntu 64 bit 16.04 LTS on it but after installation I was found my wifi is not ...
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Connects to wifi but no internet access

Wifi is fine though, since my other ubuntu notebook connects without problems. ethernet is working aswell (thats how im postinng here) Ping: snckrs@sculptor:~$ ping 8.8.8.8 PING 8.8.8.8 (8.8.8.8) ...
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1answer
28 views

Ubuntu server - cannot set static ip

I have set local ubuntu 16.04 server yesterday. I configurated static IP and everything was good. I was able to connect to the server. Today I travelled to city, where i stydy. The server couldnt work ...
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13 views

Network links disappeared in Select Destination or Filename windows

Not very long ago, the links to my network drive disappeared in the pop up destination windows on all of my Ubuntu 14.04 PC's. Networking still works fine, Nautilus still sees the net drives and it's ...
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46 views

Ubuntu 16.04 bootup very slow because of network service

My desktop have a boot slowed because of the Network service startup. I think its a problem on the system because in the 15.10 it wasn't happen. The time after the unit is active or started is ...
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How to make packet injection working with wireless chipset broadcom 4365 in ubuntu [closed]

I am just trying to see hack to hack my own network to do that i am using airmon-ng tool and my wireless chipset model is broadcom 4365 with default "wl" driver installed and when i tried to ...
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41 views

WiFi password can be entered but won't connect with no error message

I recently installed Ubuntu 16.04 alongside Windows 7 on my HP Envy m6-1125dx laptop and installed all available updates. It has a built-in wireless card (Ralink RT5390R 802.11b/g/n) and available ...
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17 views

How to enable OpenVPN access to ONLY the internal LAN

I'm trying to setup an OpenVPN connection to a company server so that anyone working from home or is out of the office can access our internal resources. I have the VPN setup correctly, using a guide ...
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1answer
24 views

Static ip works manually, not automatically

I have a Ubuntu 14.04.4 server who's eth0 config doesn't get set properly on boot. If I do ifconfig eth0 <ip> netmask <mask> up route add default gw <gw> and set manual DNS ...
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12 views

How to configure Redsocks in Ubuntu?

I have a HTTP proxy connection in my college, I used Proxifier in windows to redirect all connections through my proxy ID ( username and password), How can I configure Redsocks to do the same?
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18 views

Local website not working internally except with hosts entry

I have a local apache2 and Concrete5 driven website. https://www.msgkmg.com If I have an entry in /etc/hosts: 192.168.2.XXX www.msgkmg.com I can hit the site fine from any pc on the lan If I am at ...
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1answer
18 views

Disable Show Password in WiFi Network Connection

WiFi connection management in Ubuntu as option to Show Password. If PC unlocked then someone can check what is the password set for WiFi. Ideally there should not be Show Password option at all. If ...
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1answer
24 views

pptpd - address already in use

I am trying to use pptpd to setup a VPN server. When I run the following service pptpd restart tail /var/log/syslog The log contains the following error MGR: Couldn't create host socket ...
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1answer
49 views

Ethernet not showing 16.04

A friend asked me to fix this old dell e1505 laptop. I grabbed a 32 bit version of 16.04 to throw on there. On the live USB run it detected wireless and wired just fine. Now after installing it ...
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20 views

Ubuntu server- static ip has changed

I have set an ubuntu server 16.04 today. I have set static IP in /etc/network/interfaces to this: #The primary network interface auto enp0s3 iface enp0s3 inet static address 192.168.56.20 netmask ...
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10 views

network-manager times out connecting to openvpn server (TLS error)

I am trying to connect to an open vpn server through the network manager; below are the system logs for connecting through NM and using the client directly. The client connects fine but NM doesn't NM ...
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18 views

Streaming speed is slow but download is okay

I live in a dorm and we use broadband connection. Our download speed is okay. When we download, normally we get 5Mbps speed. This should be enough to stream movies online. But when we stream movies, ...
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47 views

Wifi randomly disconnects in 16.04

My computer's wifi keeps disconnecting every few minutes. I have to reconnect whenever that happens. What could be the cause of this? My wifi adapter is an Edimax EW-7811Un. (EDIT: This is a USB ...
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22 views

r8169 driver not supporting Gigabit ethernet on Realtek RTL8105e

I installed Ubuntu 14.04 about a month ago and I have found that my ethernet is running at 100Mb/S instead of 100Mb/S. It worked at 1000 Mb/s under Windows XP. The following is the relevant part of ...
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24 views

Can not Ping Local Network But Can Reach The Internet

I use Ubuntu 14.04. My computer has both wlan1 and eth1. ifconfig output: eth1 Link encap:Ethernet HWaddr f0:79:59:39:36:78 inet addr:172.31.204.72 Bcast:172.31.204.255 ...