0
votes
0answers
14 views

Ubuntu Server low client dowload speed

In the work we have a Ubuntu server 14.04 working as a proxy server, dhcp and Firewall, we assigns the clients Ips Manually in the dhcp for each Mac Address. The most of the clients go out through ...
0
votes
0answers
23 views

2 DHCP Servers -ubuntu-14.04 and 1 gateway

I’ve got 2 DHCP servers / ubuntu 14.04.they are configured in failover mode (primary/secondary). They work very well but I have the following issue: The primary has got 2 NW-cards, eth0 for ...
-1
votes
1answer
12 views

isc-dhcp for Virtual Machines only

I installed Xen 4.3 on Ubuntu Server 14.04 and added the xenbr0 bridge. The host IP is 145.173.136.2. The network administrator reserved 15 IP's for the VMs: 145.173.136.112-126 So i installed the ...
0
votes
1answer
28 views

How to find IP address lease info using WPA2 Enterprise

I'm trying to find the DHCP lease info for my wifi connection on a network using WPA2 Enterprise and PEAP. I can do this in Windows using ipconfig /all which shows both when the lease was issued and ...
4
votes
1answer
73 views

Lan party network usage statistics

Me and couple of my friends have decided to make a lan party around 40 to 50 players. I have couple of conserns I need to find solutions for. DHCP server I have now installed a DHCP server (in ...
-1
votes
1answer
67 views

static ip in NetworkManager but ifconfig does not show the ip (ubuntustudio 14.04)

i am running ubuntustudio 14.04. I have a development setup where my pc has 2 NICs one of which connects to the internet and acquires dhcp ip from the router, while the other (eth1) is used to ...
0
votes
2answers
75 views

Configure LXC with additional IP ubuntu 14.04

I'm still looking for answer on my question. I have a dedicated server with ubuntu server 14.04, and 2 public ip. I want to add 1 public ip per 1 lxc. I think i've tried everything and nothing helped ...
0
votes
1answer
78 views

14.04 Desktop: Static IP is acquired, ping works, DNS does not

My question is very similar to this one: Can ping but no DNS I have setup a static IP on my previous Ubuntu versions - 9.04 and 12.04 - without issue. I have used an identical means this time as ...
0
votes
0answers
36 views

How to share internet connection and making the client accessible over the lan

I've a Pc with Ubuntu 14.04 connected to a linkys router through wlan0, and I'd like to share internet connection to an AVR with ethernet port. This is pretty simple if only internet connection is ...
1
vote
1answer
46 views

Static IP breaks Network connection

I am somewhat new to Linux. I am setting up a Web server and installed Ubuntu server 14.04 on an vSphere ESXi 5.5 host. I am connecting perfectly fine to the internet when using DHCP but when I apply ...
0
votes
1answer
25 views

Failover/ gateway issue. Help please

hope someone can help, this would be excellent. I’ve ubuntu DHCP server (10.04), which works great (many thanks to everyone who helped me in this excellent forum). This server has 2 cards, eth0 for ...
1
vote
1answer
49 views

Only a different subnet and a virtual IP for it seems to work out to access my IP-cam

My Router IP is 192.168.1.1. DHCP-Range from 192.168.1.33 to .64 . My IP-Cam (Hikvision) is set to IP 192.168.1.100. Funny enough I can access the IP-cam only if it is on its factory default ...
0
votes
0answers
32 views

Has Ubuntu some firewall activated by default?

Because I can't seem to connect to my ip-cam. And mnap produces alternating results if I use the cams IP address: Nmap scan report for 192.0.0.64 Host is up (0.00079s latency). Not shown: 991 closed ...
0
votes
1answer
73 views

iSCSI + br0 bridge + 14.04.1 Server = does not work

On one of my servers I have: USB 4GB: 1) EFI partition 2) /boot partition iSCSI 50GB (on another fileserver): 3) / partition In /etc/network/interfaces it works flawlessly if I have: auto p3p1 ...
2
votes
1answer
53 views

Multiple DHCP leases on single interface

If I want to have 2 static IP addresses, I can do something like this: auto eth0 iface eth0 inet static address 192.168.1.10 netmask 255.255.255.0 broadcast 192.168.1.255 auto eth0:0 ...
0
votes
1answer
55 views

Need to update /etc/hosts every time I connect to network because of dynamic IP

Every time I connect to the network at work my device gets a new IP address which makes it /etc/hosts/ invalid and my hostname becomes unreachable. I was looking for a way to set /etc/hosts ...
1
vote
0answers
82 views

Ubuntu 14.04 Desktop not automatically renewing DHCP lease

Sometimes my laptops networking just stops. I fix it by doing sudo ifdown em1 sudo ifup em1 The strange thing is, in previous releases and other *nix distros that usually doesnt produce an prompt ...
0
votes
0answers
31 views

Can not apply a static IP address to Virtual PC?

I Installed an Ubuntu 12.04 LTS Server as a Virual Server using Wmware Workstation 10. Unfortunately when I change the DHCP setting to static. The server is unable connect to our network, it works ...
0
votes
0answers
28 views

dnsmasq getting log spam from use of macvlan interfaces

I'd like to know if this procedure will work for creating virtual eth interfaces inside an LXC. It seems to work for awhile then I get a spam of these every couple seconds. Jul 10 16:54:22 ...
0
votes
1answer
49 views

MAAS network configuration error and issue

I have tried a couple times to get MAAS up and running and the issues seems to be incorrect network configuration. I have a server with 2 net ports. EM1 is the network for MAAS and the servers that ...
2
votes
1answer
76 views

How to change Ubuntu DHCP server address on the client?

How do I tell Ubuntu to use a specific DHCP server IP? I'm building a virtual test network in VirtualBox where I have a Ubuntu server installed. However, VirtualBox doesn't have an option to tell ...
0
votes
0answers
36 views

DHCP running at startup

In order for my WiFi at work to work I had to use wpa_supplicant, as the Network Manager just would not connect. Manually I use two commands: sudo wpa_supplicant -B -i wlan0 -c ...
1
vote
0answers
155 views

Ubuntu MAAS DHCP working DNS Not working

I setup Ubuntu 14.04 MAAS on one server. I setup interface to manage DHCP and DNS via the Cluster interface. DHCP is working. But, DNS is not! When I try to add another node, it is doing PXE boot, ...
0
votes
0answers
958 views

Ubuntu Server 14.04 share internet from eth0 to eth1 with commandline

I have installed ubuntu server 14.04 LAMP with two network adapters and I'm attempting to share the network from eth0 (WAN) to eth1 (LAN). The reason for doing this is that the Ubuntu Server works as ...
0
votes
0answers
94 views

Ubuntu maas DNS Node not connected to internet

I have a Ubuntu MAAS Region and Cluster Controller on one Server. It is running DHCP Server as well. MAAS Cluster interface - "Manage DHCP and DNS" did not start a DHCP Server. So, I had to manually ...
1
vote
0answers
169 views

MAAS DHCP Server Setup, PXE TO1 TFTP File Not Found

I am setting Ubuntu 14.04 MAAS Cluoud. I have setup the region and cluster controller. For some reason, MAAS was not running DHCP even though (1) maas-dhcp and maas-dns were installed, and (2) Added a ...
-2
votes
2answers
514 views

override dns nameserver

i wish to set higher priority for my dns nameservers, or override the ones that are being set by the dhcp server. no matter which approach i took, nslookup never displays the right dns nameserver. ...
0
votes
0answers
114 views

Ubuntu MAAS DHCP Not working Cluster

I am a newbie with Ubuntu MAAS - I have region & cluster controller running on one machine. I have two NICs - eth1 - which is connected to our organization and eth0 - which I am trying to setup ...
0
votes
2answers
357 views

Intermittent wired network issues in 14.04

Since yesterday, my wired network connection has been dropping for a couple of seconds every 30 seconds or so. To my knowledge, I had not made any changes to my network. Output of ifconfig -a: ➜ ~ ...
0
votes
0answers
17 views

No ping to gateway although received DHCP lease from gateway

I try to connect my server to my network over WPA2. After ifup wlan0 I get a valid DHCP lease from my gateway (192.168.1.1). However, if I try to ping/access any computer (internal network, gateway, ...
0
votes
0answers
24 views

IP switched to dhcp on reboot on Ubuntu

I try to set a static IP with the following stanza in /etc/network/interface auto lo iface lo inet loopback allow-hotplug wlan0 iface wlan0 inet manual wpa-roam ...
1
vote
1answer
1k views

Assigning a static IP to Ubuntu Server 14.04 LTS

I've installed Ubuntu 14.04 LTS Server in my machine on a separate hard drive while having my Windows 7 installation. The Windows OS has its full network connectivity and internet access through the ...
1
vote
1answer
126 views

domain name in dhcp

I want to configure DHCP on 14.04. So I downloaded isc-dhcp-server from the repository. In configuration file I see these two line which are not commented. What is the usage/purpose of the ...
0
votes
2answers
304 views

dhcp fails after initial reboot with “No working leases in persistent database”

I just installed ubuntu server 14.04 LTS, overwriting 12.04. The installation appears to proceed correctly. During the installation process the IP and hostname are correctly obtained via dhcp. ...
1
vote
1answer
90 views

Strange issue with DHCP on Ubuntu 12.10 [closed]

I've configured a new Ubuntu DHCP server (12.10) and it's working fine (thanks to you all for all you help in setting it up). I have a strange issue, and don't know what's going on. I hope I will get ...
0
votes
0answers
29 views

Append DNS Suffix - Wifi vs Physical

So a while back I changed my DHCP config to appended a dns suffix automatically. I modified the.. /etc/dhcp/dhclient.conf ..config file and added the a line.. append domain-name "mydomain.net"; ...
0
votes
1answer
62 views

inactive enable Wi-Fi

I did some changes on my wi-fi connection to give ip manual and somethings else I do not remember what exactly i did and now Wi-Fi connection is not enable on the menu bar I set my connection again to ...
1
vote
2answers
60 views

dhcpserver configuration, please help

I hope I will get help here. I need to configure an Ubuntu dhcp server (12.10), the server has 2 network cards. What I need to do is to configure the server as DHCP to give clients IP-Addresses ...
4
votes
2answers
14k views

Unable to set static IP address in Ubuntu 14.04 [closed]

I've never had so much problems setting a network interface card to static addressing. I'm not sure what has changed, but I can only seem to get this thing to work if it's set to obtain the address ...
1
vote
0answers
174 views

iptables ruleset blocking LAN and WAN

Having problems with your Intel I217-V ethernet port? I suggest you read this entire post. Whilst drivers were not my issue, nor my answer (in the end), this post will still provide useful insight. ...
0
votes
2answers
121 views

Why dhclient is still running when I choose static IP?

I modify dhcp to static in /etc/network/interfaces (like below). # The primary network interface auto eth0 iface eth0 inet static netmask 255.255.0.0 address 10.10.130.128 gateway 10.10.1.1 Then ...
1
vote
0answers
67 views

Prevent some interfaces from editing resolv.conf

I am trying to connect a camera to the internet. To do this, I have two devices: lte0 and wlan0. The camera (Sony NEX 5) is controlled over wlan0, and lte0 is the LTE connection. My ...
-1
votes
1answer
19 views

Configuring two half-separate lans using DHCP

I have to set up DHCP that has to assign IPs over 2 networks (192.168.0.0/24 and 192.168.1.0/24). That is easy and I've got it working. The question is, is it possible to make PCs from one network ...
0
votes
0answers
124 views

Trusty, Lenovo Y500, and Wifi

After a little googling, I was able to install Ubuntu 14.04 on my Lenovo Y500. Grub would not install on /dev/sda (16GB SSD), but installed fine on the spinny disk. I'm using the SSD as the swap ...
2
votes
0answers
146 views

Macvlan interfaces beyond first interface fail to connect.

I've been working on a project to build a set of macvlans on ubuntu. The process I'm using comes from here. In short, I run this set of commands to build and initialize an interface: ip link add link ...
2
votes
1answer
56 views

How to direct DHCP requests based on IP

I have a home server that I want to make multicast a music stream to my network. I have the server connected to my main network router via WiFi, and I have a switch connected to the server by wire ...
0
votes
0answers
32 views

Nintendo DS unable to aquire ip from ubuntu 12.04

I want to connect my Nintendo DS (does not support WPA or Ad-Hoc) to the internet, but i can't just change the encryption from WPA to WEP every time i do so, so i connected my pc via ethernet cable to ...
4
votes
1answer
18k views

Cannot connect to wireless in Lubuntu 14.04

I have tried all afternoon to fix this, but now I give up. I am trying to set up an old XP PC with Lubuntu 14.04. It works perfectly fine, except for the wireless connection. Connecting with ethernet ...
0
votes
1answer
46 views

DHCP Server & Client

So I'm having a bit of trouble getting my DHCP server to assign and IP address to my clients. I have the dhcpd.conf file configured to assign a range of IP address to my clients as follows: ...
0
votes
1answer
198 views

VirtualBox: Simulate network and DHCP Server - cant reach hosts

I have 4 Virtual Machines with VirtualBox and I want to set up a virtual network like this: The VMs have multiple eth interfaces using "Internal Networking" mode in Virtualbox. My goal is to be ...