0
votes
2answers
620 views

Cloudstack virtual machines can't communicate with virtual routers when they are on different hosts

I'm using Cloudstack 2.2.14 on a Ubuntu 10.04 set of hosts, and I have a problem on my setup. I have two hosts running. When a virtual router is created on host 1 and a virtual machine using that ...
0
votes
1answer
162 views

Ubuntu Server stucks on high traffic

There are some servers on Ubuntu Server 10.04 with that particular hardware: output of hwinfo. The problem is the hangup when machine experiences a traffic higher than 10Mb/sec for several minutes; ...
1
vote
1answer
3k views

Configuring vlans on Cisco SG200 series switch with Ubuntu server

I created a vlan on Ubuntu with vconfig tool with 21 as id and eth1 as the host port. I connected eth1 to one of the ports on the swtich (GE23) as all ports trunk by default. In the webgui I created a ...
1
vote
2answers
555 views

Ubuntu 10.04 Server, 2 NICs in separate Subnets, 1 Router

following configuration: Ubuntu 10.04 Server, 2 NICs: - eth0 192.168.1.215/24, Default GW: 192.168.1.250 - eth1 192.168.3.225/24 Both are connected to the same router (Funkwerk Bintec R3000). The ...
1
vote
3answers
679 views

Unable to use FQDN when using local network (Ubuntu Server 10.04, dd-wrt)

Networking newb here... I seem to be having an odd networking issue. When I am using a PC/laptop/Smart phone on my local network I am unable to access web pages (or email) on my network server using ...
0
votes
2answers
416 views

Ubuntu 10.04.3 VMware guest - no network access after conversion to older VM format

I created and configured a Ubuntu 10.04.3 VM in VMware Player 3.1.4 and now wanted to deploy it on our VMware server, which is running at version 1.0.4. To do this, I used VMware vCenter Converter ...
2
votes
1answer
2k views

Bandwidth monitoring on KVM

Is it possible to monitor/limit bandwidth for KVM guests? I'd like to give people VMs on my server but I want to be careful not to go over my monthly bandwidth limit. The only places I can find that ...
0
votes
3answers
615 views

RESOLVED Why does IPtables's NAT stop working when I enable the firewall's third interface?

On my firewall I've three interfaces : eth0 : public IP (46.X.X.X.) eth0:0 public IP (46.X.X.Y.) eth1 : public IP (88.X.X.X.) eth2 : private LAN (172.X.X.X) I've setup a basic NAT which ...
0
votes
3answers
642 views

Ubuntu server (VM) with two interfaces. Can only pass traffic on one or the other interface at a time

Let me start with a crude network diagram. Internal Layer 3 switch (Multiple VLANS, including 172.16.220.0 network) --> Internal network (172.16.220.0/24) --> eth1(172.16.220.100)-Ubuntu 10.04 ...
1
vote
0answers
235 views

Heavily loaded ubuntu machine connection timeout

I've got a webserver running Ubuntu 10.04 Server edition (on rackspace cloud), running nginx and jetty. It's under quite a bit of load (60-70 requests/sec or so successful). Nginx is proxying requests ...
1
vote
1answer
564 views

eth0 doesn't start after interfaces modification

Just installed Ubuntu Server 10.04 on VMWare ESXi 4.0.0 (201167) and changed the interfaces file. My (modified) interfaces file looks like this: auto lo iface lo inet loopback iface eth0 inet ...
1
vote
3answers
8k views

service utility on ubuntu deoes not work properly

Here is a situation when I do root@skd:~# service networking restart restart: Unknown instance: and when I do root@skd:~# service networking stop stop: Unknown instance: now if I do ...
0
votes
1answer
543 views

Random Ubuntu server network disconnects

After installing Ubuntu Server 10.04.1 on a new x86_64 kvm instance (Debian 6.0 hosted) I'm getting -apparently- ramdon disconnects from the server. Read from remote host myserver: Connection ...
1
vote
1answer
5k views

How do I configure multiple IPs on an Ubuntu server with two Ethernet ports?

I am trying to set up four IPs on two Ethernet ports. I figured I will assign one to each and then create aliases for the remaining two. This is what I did with my limited networking knowledge: # ...
1
vote
1answer
454 views

On-board network adapter versus PCI-E network adapter?

We have a 1U server (ASUS RS300-E6/PS4, running Ubuntu 10.04) that sits between the outside world and a 24-port gigabit switch for our intranet to serve as the firewall/DHCP/apache server. The server ...
0
votes
3answers
1k views

Ubuntu Server 10.04 Heavy Network Traffic causes disconnect

I'm currently running a headless Ubuntu 10.04 server. Installed is the LAMP stack, Joomla, Virtualbox, phpvirtualbox, webmin and proFTP.. It resolves the IP address so I can access it remotely (either ...
0
votes
3answers
2k views

Error 118 (net::ERR_CONNECTION_TIMED_OUT): The operation timed out

This morning when I'm about to browsing using google chrome in Ubuntu Linux 10.04.1, I got this error message: Error 118 (net::ERR_CONNECTION_TIMED_OUT): The operation timed out. The network have ...
2
votes
1answer
529 views

External network (eth0) randomly freezing, have to ifdown && ifup

The external network interface (eth0) on one of our servers is periodically freezing up. It also has a local network interface (eth1), so I'm able to connect to the server through one of the other ...
0
votes
2answers
1k views

401 Errors doing apt-get on new Ubuntu server

I've got a new copy of Ubuntu 10.04 server running and I'm not sure if it's connected to the internet correctly. ifconfig shows I have an IP in my company's private network for eth0 (10.90.140.24) ...
0
votes
3answers
376 views

Custom nameserver/search path for Ubuntu in Vmware?

in my Ubuntu VMWare guest I'm using bridged network to gain access to my lan. The network setup per see works, but the nameserver is set to my router (and works) although I'm running dnsmasq on ...
1
vote
4answers
522 views

Ubuntu 10.04 Server does not acquire a Network IP after power failure

My box encounter a power failure. After booting again, the ubuntu server (which I installed on the box) does not automatically acquire a Network IP (I didn't set a LAN-static ip for that box - the IP ...
6
votes
6answers
2k views

Ubuntu not letting me download using anything but apt-get

I'm simply trying to clone a repository from github, but I think my problem spans greater than git or github. I've tried the following methods: sudo wget ...
0
votes
3answers
379 views

Ubuntu Desktop 10.0.4 blocking VPN pool from access?

I set up Ubuntu Desktop 10.0.4 LTS i386 on a PC and installed openssh-server (default port 22), neatx (NX), nessus (over https) This Ubuntu system and my Macintosh were on the same network when I set ...
3
votes
2answers
3k views

Accessing apache in ubuntu 10 virtualbox guest from ubuntu 10 host

I did the following: installed VirtualBox 3.1.6 OSE in ubuntu 10 desktop. installed ubuntu 10 server on a virtual machine in VirtualBox. select "LAMP server" and "OpenSSH server" options during the ...