Managing and using network connectivity on a Ubuntu system

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Not able to change monitor mode Ubuntu 14.04 - TPlink wifi dongle

I am trying to turn my monitor mode on. But I am not able to. I tried the following command, *sudo ifconfig wlan1 down sudo iwconfig wlan1 mode monitor* I also tried installing aircrack and used ...
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PCIe Network card not detected by Ubuntu

My TP-Link TL-WDN4800 wireless network adapter is not recognized by my Ubuntu system. I've run lspci in the terminal, but my results are as such: 00:00.0 Host bridge: Advanced Micro Devices, Inc. ...
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ifquery working but not ifdown or ifup

I am trying to configure my network card in Ubuntu 14.04.2 using the /etc/network/interfaces file. The ifquery command works like a charm, always returns the right thing, but ifdown and ifup do not ...
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Wireless Internet not working on Ubuntu 14.04 LTS

I have installed Ubuntu 14.04 LTS and connected to the Internet through an Ethernet cable but am unable to even see WiFi options in the connection menu. Please help as I am a novice to Ubuntu and ...
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Networking problems Ubuntu 15/ Windows 10 dual boot

since I dual booted my Windows 10 laptop (Inspiron 5000 with Intel Core I7 processor, and Intel Dual Band Wireless AC 3160 networking card. The install of Ubuntu 15 went perfectly, my files are ...
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Use laptop wifi on desktop

I have had some wireless USB problems and I have decided to just try and use the piggyback-a-laptop method.I have an Ethernet cord, a Ubuntu 15.04 Desktop and a Peppermint 5 laptop.I have tried the ...
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Piggyback Ubuntu Desktop on Peppermint laptop wifi

As of late,i have had some real wireless USB problems and i've decided to just try and use the piggyback-a-laptop method, i have an Ethernet cord, a ubuntu 15.04 Desktop and a Peppermint 5 laptop. ...
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13 views

Create a media server for ps3 and pc

I have a second extra computer that I want to turn into a media server to house all my music and videos. I want to somehow have it on my network (wireless or wired) and have my ps3, pc, 360, and any ...
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How do I open a webpage on another computer?

How do I open a webpage on a different computer other than the one I am using? Like this: COMPUTER SENDING WEBPAGE --> --> (SENDING) --> --> DIFFERENT COMPUTER WITH ...
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Can't ethernet connect to ubuntu server 14.04 using my ubuntu 14.04

I achieved ethernet connection once today, under eth0, and access my PHP instance with 10.42.0.33. However, I am now using a hotspot thingie that while charging needs to be usb connected to my ...
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Reliance Netconnect+ not working

I have always used Reliance Netconnect by using the sudo gnome-ppp but recently I have this error message coming. GNOME PPP: Connecting... GNOME PPP: STDERR: --> WvDial: Internet dialer version ...
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How to connect and copy file to Windows 7 system from Ubuntu 12.04 via network using command line?

We have separate Ubuntu client systems and Windows system connected via LAN. My requirement is to copy a file to Windows 7 system via command line using utility like scp. For that we have to run ...
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USB Huawei LTE modem - after restart USB isn't connecting

the thing I'm trying to do is to restart LTE modem: Huawei Technologies Co., Ltd. E398 LTE/UMTS/GSM Modem/Networkcard which I do with simple script: #!/bin/bash echo -n "0000:00:1a.0" | tee ...
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hp deskjet ink advantage 1515 network printer

i want to add network printer at ubuntu from Windows 7. already install newest hplib but when try to printing always failed. is it because HP 1515 doesn't support for network printer or i done ...
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WiFi not connecting in Ubuntu 15.04 new installation

i have installed Ubuntu 15.04 alongside windows 8 from the time of installation it is not connecting to WiFi i have restarted my system but it is not working i have followed so many ways of ask Ubuntu ...
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Unable to connect to server from client machines after upgrade of Ubuntu 14.10 to 15.04

After accepting the upgrade notice from 14.10 to 15.04 several "program errors" have resulted in 1.File system being loaded as "read only" and dropping me on the command line. Solved that issue. Now ...
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Change ethX index

When I run ifconfig in one of my machine I saw these. The Q is where does the index eth3 and eth4 from? Is there a way to change them to eth0 and eth1? $ ifconfig eth3 Link encap:Ethernet ...
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inet6 addresses

I saw this on one of my machine: ~$ ifconfig eth3 Link encap:Ethernet HWaddr 00:1a:a0:9d:c9:90 inet addr:192.168.1.100 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: ...
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openvpn connecting but no internet access ubuntu 14.04

im trying for several days to fix this , im relatively new to ubuntu . im trying to connect to openvpn . i tried network-manager plugin and in terminal with ovpn.conf file everything connects it says ...
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can't connect to wifi using Xubuntu

Everytime i try to connect to internet using wifi i type the password, Xubuntu tries to connect for a little while and then asks me the password again. I'm using a D-Link modem/router. Network ...
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20 views

ISC DHCP server

I was able to install it and it works great with wired connections, however on our company's wireless connections it only works when running a tcpdump any have any ideas. Wired connections work ...
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Ethernet port doesn't work when laptop plugged out of AC power

Currently, I have 3 OS installed on my Disk, Windows 7 Ubuntu 15.04 Kali Linux (Recently installed) The problem persists before installation of Kali Linux that, When I've booted into Ubuntu, ...
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How can I see a website running on Apache installed on my PC from another device connected to the same ADSL router?

I am not so into networking and I have the following problem. On my Ubuntu system I have installed Apache web server on which run some web sites. So now to access to these web site I need to open an ...
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How to remove my printer from shared list?

I have two printers in my system called "HP-LaserJet-1200" and "hp1320". If I right-click on their icons under "Printers" windows, the Shared item is not selected and I can select it. But both ...
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Connecting Ubuntu 14.04 and OS X 10.10.3 Via Ethernet Cable

I have got a PC running Ubuntu 14.04.02 and an iMac running OS X 10.10.3 Now , I have got some big files ( >500 gigs) on both the machines . I would like to establish an ethernet connection between ...
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Wireless adapter not working Realtek

I bought a Realtek semiconducter Corp. RTL8192CU 802.11n wireless LAN Adapter for my Vostro 200 Desktop, as it doesn't come equipped with a PCI card, i went to my grandfathers house as he has the ...
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Ubuntu 14.04 Host Win XP Pro Corp SP3 Guest How to Share HP AIO Printer

I have a Dell XPS L702X Laptop 64-Bit running Ubuntu 14.04 LTS for host OS. VirtualBox Guest is Win XP Pro Corp SP3. I have an HP ENVY 5530 DeskJet printer USB attached to laptop for host. I am trying ...
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ssh stopped working due to roaming

I've got an openssh sshd/client installed on my laptop, but I can't connect to any servers from this machine. whenever I try to, it just hangs like so: ...
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2answers
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Permission error when auto mounting network drive Ubuntu 14.04

Error when trying to open mapped drive: mount: only root can mount //192.168.0.2/Music on /home/pst007x/Music/ServerMusic This is my latest (attempt) entry in fstab: //192.168.0.2/Music ...
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1answer
22 views

Network connection hangs after 6-8 pings

Ubuntu 15.04 System76 Serval Linksys EA3500 Weird problem. Brand new system. Configured eth0 for static IP. Managed via Network-Manager. When the connection first starts it works and pings succeed ...
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How do I connect Meghbela Broadband PMPL to Ubuntu (Linux)?

I have configure it, showing Connection Established. But log in url is not working, please help? (1) It is a wired connection, directly linked with PC LAN port. (2) I have dual boot OS, This ...
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1answer
29 views

bonding virtual network interfaces in ubuntu

I have one physical interface(eth0) and two virtual interfaces(eth0:1, eth0:2) , both of virtual interfaces have Public IP addresses. I want to bond these two virtual interfaces into bond0, As you can ...
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Conflict between two network interfaces eth0 and eth1

I have a computer connected to the router and the PS2 is connected to a computer. When the PS2 off, the computer connects to the Internet, and everything works fine. But when the PS2 is turned on and ...
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No route to host at network change, but only some programs

I have 2 Network connections and 1 VPN (OpenVpn). In Network manager I have connection 1 set to Auto-connect, Connection 2 not. OpenVPN is set not to Auto-connect. In etc/network/interfaces I have: ...
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How do I make the terminal use the wifi and not the LAN

I connected my laptop to a LAN cable and set up a proxy setting which was applied system wide. Now I connected to another wifi network but the terminal stil uses the IP and port no of the lan which is ...
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Ubuntu 15.04 keeps disconnecting

I had previously posted this question here, but it was closed due to 14.10 being EOL. I have made the upgrade to 15.04. Every so often, my wifi will disconnect. I have posted the output of "lshw -C ...
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1answer
25 views

Piggy back ubuntu desktop on my windows laptop wifi so the desktop can access the internet?

I need to have internet on my ubuntu / mint desktop. The only way I can get online right now is wifi and I couldn't get the USB Netgear WNA3100 to work because without internet packages won't install ...
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36 views

14.04 - Connects to wireless network but can't transmit data

When my computer first boots up I the internet works fine for about 30 seconds. In those thirty seconds it has a harder time loading data and after 30 seconds can no longer transmit data. It still ...
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Reverse lookup only works when db.192 wrongly configured

Following this tutorial reverse lookup stubbornly fails to work for as long as db.192 is configured as is instructed. However, if I change the line: @ IN SQA server.domain.home. ...
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How to fix/diagnose this problem: outlook.com does not load in Linux (all browsers)?

Same machine. If boot with Windows 7, outlook.com loads, any browser, I use Firefox most of the time. If boot with Linux (Ubuntu 14.04 64 bits), outlook.com does not load, blank page, no error ...
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connecting an Ethernet which needs a password and a user name?

I have an account through a wired network (Ethernet) internet provider - a person that have an internet LAN and share it with neighbours in exchange with money - every one of us have an account and a ...
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L2TP/IPSec VPN Connection

On OS X, there's an option for L2TP/IPSec VPN in network connections where it lets you enter an IP Address, Username, Password, and Shared Secret. I downloaded Strongswan in Ubuntu, but do not see ...
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28 views

Ubuntu has a connection right at startup and then loses it

I have a VMWare Workstation 11 setup with Windows 8.1 (Host) and Ubuntu 15.04 (Guest). My network connection has a static ip and it's a bridged network connection. If I open terminal right after ...
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Can only connect to KVM linux guest from host

If I ssh into my hypervisor/host (64bit Ubuntu 14.04.2) I can connect to a guest KVM. But I cannot connect to the guest from my workstation in the same subnet as the host. I have a bridge but even ...
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36 views

Disable IPv4 mapped IPv6

I run a service on IPv4, but sometimes, apparently randomly, it happens that the service uses TCPv6 sockets (I monitor it with ss -s). I want to avoid it, disabling any IPv6 connection. I tried to ...
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31 views

Connect 3 PCs in chain

I've got 3 PCs with 2 network adapters each - I want to make a cluster from them, but first I need to connect all of them into one network. My idea is to connect first PC to router, share Internet ...
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Cannot upload files in Ubuntu 14.04

I'm running CS50's appliance on top of Ubuntu 14.04. The internet seems to be working fine and the download speed is normal too. However, I cannot upload files on the internet. Check50 cannot upload ...
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network require authentication (does the netwrok require authentication?) [on hold]

The solutions I've been able to find or for Desktop OS. This is Ubuntu Server 14.04.2 It is installed as a client in virtualbox. The network settings are setup as bridged and the network itself ...
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1answer
35 views

How to get external IP from remote Ubuntu computer

My ISP typically leaves my IP address fixed, but when there is a power failure, or if their service goes down for more than about 15-30 minutes, my home is assigned a different IP address. My goal ...
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Ubuntu 12.04 server - How to interpret this syslog entries about eth0 interface?

I am getting in my Ubuntu 12.04 server the following errors in syslog/dmesg. Recently the server became multiple times slow in network and causing at time hung application and many errors with ...