Managing and using network connectivity on a Ubuntu system

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r8168/r8169 support on Ubuntu 12.04

I know similar questions have been asked in the forum in the past, but I cannot get the exact answer I need: hence, resorting to a new question. A month ago, my system with r1869 driver module worked ...
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1answer
139 views

Despite port 80 being unblocked apache still doesn't seem to work

I started installing at 19:30 and it's now 03:30. The OS is installed, apache is installed, I've unlocked the the var/www folder and moved my files there. I couldn't seem to host it. I then went ...
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1answer
2k views

How do I delete an entry in 'ip route list'

I'm having problems working out the correct command to delete the third line from this ip route list: #ip route list default via 172.31.16.1 dev eth0 metric 100 172.31.16.0/20 dev eth0 proto ...
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1answer
590 views

Wired internet connection not detected after installing Ubuntu 12.04

I have installed Ubuntu 12.04 on Acer travelMate 4060, with Ubuntu cd. I have no wired connection. Any help will be appreciated. $ ifconfig eth0 Link encap:Ethernet HWaddr 00:c0:9f:d0:20:c4 ...
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1answer
9k views

SSH installation errors

Please let me know what to be done here. I am trying to install Hadoop in Ubuntu.The ssh connectivity is throwing error $ sudo apt-get install openssh-server Reading package lists... Done Building ...
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1answer
191 views

Ubuntu Server VLAN config

I would like to do the following (using either MAC address or FreeRaduis Login): I have PC1 and PC2 belonging to Owner A and PC3 and PC4 belonging to Owner B. They are all connected to the same WiFi ...
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19 views

Wireless confusion

I have 14e4:4306 rev 02 Broadcom wireless adapter. Lubuntu detects the card but I can't get wireless I installed the firmware (just in case) nothing happened rfkill does nothing but rfkill help does ...
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1answer
944 views

Ubuntu Server 14.04 using 2 net adaptors in VMWare Workstation

I am student and we are using VMWare Workstation 10 with Ubuntu 14.04. We, including our teacher, are trying to figure out what is going wonky with our configurations. In Vmware, the goal is to have ...
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4k views

Ping Adress IPV6 [closed]

Please, how to ping between the two machines (have IPV6 addresses)? Thanks a lot.
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1answer
20 views

Ensure a specific Wired network profile is activated after booting

I know how to make multiple LAN profiles. Now the problem I have is that the computer always goes back to "eth0" or "Ifupdown eth0" after a re-boot. I have to put this computer in an automatic ...
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4answers
583 views

Samba Permissions not staying for all users on 14.04 Server

I have an Ubuntu 14.04 LTS Server with Samba so that MAC and PC machines can connect to it via a wired network. I have created a single share: mkdir -p /mnt/TEST-NEW-SERVER chown -R root:users /mnt/...
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1answer
484 views

Ubuntu 14.10 RTL8192CU Bug [closed]

I have issue with RTL8192CU wireless adapter. I tried to install driver from website, and tried to fixed driver and mod from pvaret but still no luck. I can see networks, but when I try to connect it ...
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1answer
936 views

Lubuntu 14.04 on Dell Latitude D600 WiFi

I just recently installed lubuntu 14.04 LTS on my Dell Latitude D600. I had to forcepae in order for it to install. Once installed, I cannot get the WiFi driver to work. First, I plugged it into ...
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1answer
456 views

Ubuntu Server Samba Permissions best practice

I am having some problems accessing my Ubuntu Server 14.04 over Samba. I am trying to access from my Ubuntu Gnome 14.04 desktop and other Linux desktops. I would like to have fine access control in ...
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1answer
518 views

Unable to connect to local network after deleting everything in /var/log

I'm using MythTV and MythWeb has suddenly stopped working. When I try to connect, my web browser reports: Unable to connect Firefox can't establish a connection to the server at 192.168.1.100. I ...
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2answers
479 views

Wired network not working after suspend in 14.10

After upgrading from 14.04 to 14.10 I have to manually restart the network-manager every time I wake my computer from sleep (RAM). Even then sometimes ot takes 10 or more seconds to get the eth0 ...
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1answer
36 views

How to find a bad update, i.e. revert to version of a specific date and then step forward

Pursuant to this issue: Can't connect to VPN on 14.04 LTS So the last time my VPN client worked was ~20 days ago. I checked with the ISP and they say "No problem", I checked with my company's ...
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1answer
641 views

Connecting to WiFi where username/password is linked to Windows

I'm using a laptop provided by an institution, where Ubuntu and Windows is set to dual boot. The Windows installation is joined to the institution's domain. I can connect to my institution's WiFi ...
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4answers
373 views

Firefox does not connect outside proxy while other browsers do

Little background: I am behind a proxy, where we use "automatic proxy config URL" on http://webproxy.mycompany.com:8080 During typing of this question I also tried Chromium browser which seems to be ...
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1answer
1k views

How to manage a cyber cafe on Ubuntu 14.04

I have a cyber cafe and I want a cyber cafe management tool, One like Handycafe or EasyCafe. i tried instlling mkahawa but it seems that it does not run on Ubuntu 14.04. Is there any other way to ...
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1answer
835 views

How To Set System Wide Proxy Using Shell Script

I want to make a script that sets and unsets SYSTEM WIDE proxy just as what happens through the network settings. I tried this answers gsettings part but it does not work in 14.04 Could Anyone ...
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2answers
2k views

Transferring large files between an Ubuntu machine and a windows machine

I have two computers, one with Ubuntu 14.04 (PC1), the other one with Windows-7 (PC2). I have a >2GB file to transfer from PC1 to PC2 and I got a timeout message by using the usual way, i.e. using the ...
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428 views

Bridge wireless and ethernet to KVM

I've just installed a new laptop with Ubuntu 14.10 Desktop and I'd like to get try and get KVM running so that I can host a couple of guest VM's. The problem is I can't figure out how to configure the ...
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1answer
288 views

Monitor PPPOE connection with vnstat

I've try vahid@DEMON:~$ ifconfig eth0 Link encap:Ethernet ... lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 ... ppp0 Link encap:Point-to-Point ...
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4answers
514 views

ThinkPad X61 wireless failure

With a ThinkPad X61 and Lubuntu 14.04.1, wireless fails to connect but Ethernet is AOK. Multiple SSIDs are seen, in tests at multiple locations, but entering their keys do not enable connection. Open ...
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1answer
38 views

wireless pcmcia rtl8085L will not connect after entering Key

Running 12.04 , card is enabled and sees networks and ask for authorization, but will not connect after entering correct passphase, card is Cendyne And I have downloaded correct driver, but the driver ...
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1answer
188 views

cannot ping FQDN from outside LAN (Glassfish)

Current situation I have a LAN network with pc1 and pc2 Glassfish is installed on pc1 pc2 can browse to the ip address of pc1 I've set up a Fully Qualified Doman Name (FQDN) through noip.com The ...
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1answer
84 views

Firefox ins't able to load most of the pages. Network manager issue

I apologize in advance if there are any inaccuracies in the way I'll expose my problem... I'm not an IT expert but I'll try to do my best. So, I'm using Ubuntu 14.04 and the thing is that Firefox (...
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1answer
133 views

Weird IP cpnnections on default install

I install 14.04 in a VM. I created a log using these instructions and did stuff on my computer. I grep out DST=192 and =lo. I saw two ip addresses. 224.0.0.251 and 91.189.92.11. 224.0.0.251 appears ...
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1answer
4k views

Unstable wireless in Ubuntu 14.10

After the upgrade to Ubuntu 14.10, my wireless connection has become unstable. In every 2 to 3 minutes the network stops working (i.e., I am unable to load any page), even though the Network Manager, ...
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1answer
744 views

Routing Problem OpenVPN / KVM

I've set up a rented root server with KVM and OpenVPN. In order to administrate VMs without a public IP the VM guests are connected to a Host/Guest private network: 10.10.10.0. Now i want to access a ...
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2answers
5k views

Installing new network driver ubuntu server 14.10

Ok first of all I was trying to connect my server to my router and set up my apache2 server so my server could be viewable online. But in my attempts to connect, I found that I have no eth0 ...
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1answer
65 views

Unable to connect to server on internal network

I have an Ubuntu server hosting a web server and various other things. If I were to ping 192.168.1.5 from my laptop the connection just takes a while and times out. If I'm sitting right next to the ...
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2answers
599 views

I have an Intel i217 -v Ethernet Controller and nothing is working for internet connection

I built a server yesterday with a Gigabyte g1 sniper. It uses the Intel i217 -v for ethernet. I installed the drivers and everything and nothing is working to get ethernet working. I attached the ...
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4answers
9k views

Wired network not connecting automatically after xubuntu 14.10 upgrade

Last weekend I upgraded my 14.04 xubuntu to the latest release, 14.10 (out of curiosity). Ever since every time I login I have to manually select the wired connection to connect to. The first ...
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2answers
5k views

No internet on Ubuntu Server 14.04 or 12.04

I am relatively new at Ubuntu, and am trying to install Ubuntu Server on a commercial network at an academic institution. When installing Ubuntu Desktop, I can automatically pull an IP address and ...
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2answers
9k views

Unstable Wifi Connection Ubuntu 14.04

I've read other questions in askUbuntu, but couldn't solve the problem as I'm new to Linux. The problem is that the Wifi connection on Ubuntu 14.04 is unstable. It does connect to wifi for a while, ...
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2answers
143 views

How to create a script that will connect to a specific network

Using the integrated Network Manager, I created a new VPN Connection, called 'My VPN'. When I click it, it connects - great. Now I need to automate it a bit. Is it possible to write a script which ...
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2answers
3k views

Poor wireless performance with RealTek RTL8723BE

I have a laptop with the RealTek RTL8723BE. Performance is poor with long ping times, dropped packets and often on wake the network manager will report 'connected' but nothing with get through, ...
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0answers
152 views

Wifi problem on an FS Amilo Li 1718, under 14.04 LTS

I am having trouble with my Qualcomm Atheros AR242x/542x wifi card in a FS Amilo Li1718. It only connects sometimes, and the speed is low when it does. Sometimes it does not even allow me to turn on ...
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1answer
853 views

Ubuntu 14.10 no network found

This morning I have updated to the latest version of Ubuntu 14.10 and when I booted it , it cannot find network. I have installed on a desktop so I am using a wired connection. When I go to my ...
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1answer
54 views

iptables and expressing your IP address to the rules dynamically

I've been recently spending my time refining my iptable rules to be a little more robust than Ark linuxs Simple stateful firewall to include defense against some other known and nefarious attacks. One ...
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1answer
827 views

Ubuntu-Windows Public Folder File Share

I have created a network share folder in my Ubuntu 14.04, I downloaded Samba and created a username and gave it a password. I have Windows 8 able to see it and add credentials. But after I enter in ...
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1answer
1k views

Able to access web by ip, but not by dns name

I'd like to post a solution to a problem I've encountered in my university. The issue is closely related to this post. I asked the user whether or not he found a solution but he never responded. In ...
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1answer
6k views

Weak WiFi signal

I have a Fujitsu Lifebook AH531 (I think wireless is Intel® Centrino® Wireless-N 1030, 802.11 b/g/n) I have recently installed Ubuntu 14.04 LTS Previously I used Ubuntu 12.04 LTS and Windows 7 on the ...
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4answers
6k views

Error: 'There was a problem connecting to the CUPS server.'after upgrade 14.04 to 14.10

After upgrade from 14.04 to 14.10, I can not use my (SAMBA) network printer anymore. Jobs stay in the que forever. When I go to 'Printers' and ask for the properties of the printer, I get the message: ...
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377 views

Why am I having networking issues in Utopic?

I upgraded to Utopic yesterday, and ever since I've been encountering errors like these: Chrome: Error code: DNS_PROBE_FINISHED_BAD_CONFIG apt-get: Cannot initiate the connection to security.ubuntu....
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288 views

DNS points to the right IP, but I can't SSH based on DNS

I can connect remotely to my system using the IP address, the DNS returns the proper IP, but I can't connect via a DNS record. i.e. matt@pontus:~$ ssh fake.myDnsExample.com ssh: connect to host fake....
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192 views

problem with localhost And 127.0.0.1 on ethernet network in ubuntu OS 14.04

I have two computers on my network and both are running Ubuntu. The server (192.168.61.150): When I enter in the browser address is http://localhost to my site loaded correctly. But when I write http:/...
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711 views

Local domain won't resolve

I have a dns which I had put into the ip4 config which should in theory give me access to a *.test.local domain. It pings well. I also disabled the avahi daemon completely. The hosts line in the ...