Questions tagged [openstack]
OpenStack is a massively scalable cloud operating system
70
questions
43
votes
2
answers
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What is OpenStack? And how can it be used?
What is OpenStack?
I have tried to understand what OpenStack is but I can't penetrate the shield of marketing buzz words that surrounds everything that is called "the cloud".
I would be happy if ...
- 5,455
12
votes
2
answers
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How to add PEM file as SSH private key to "known hosts"
I have Ubuntu desktop, and I have been given a PEM file (mykey.pem) that is the SSH private key for a Linux server. I am trying to figure out where this PEM file needs to be placed locally on my ...
- 611
4
votes
2
answers
2k
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Windows port forwarding, local machine to server
I'm working on Windows 8. I'm trying to connect to an OpenStack cloud which is hosted on a remote server but has a public IP to the API. However, making API calls require calls to additional services ...
- 141
3
votes
1
answer
5k
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Cyberduck limits itself to 5 connections with "Maximum allowed connections exceeded"
I'm uploading multiple files to SWIFT (Softlayer ObjectStorage) using CyberDuck. Cyberduck limits itself to 5 active uploads at a time and queues the rest.
The other uploads are listed as "Maximum ...
- 229
2
votes
1
answer
2k
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Relationship between OpenStack and Xen
Xen is an open source virtualization platform that allows you to install a bare metal hypervisor on a machine, which turns it into a host for other guest VMs.
I can't really understand what OpenStack/...
- 611
2
votes
2
answers
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cloud-init how to run a curl before and after every non runcmd
This is my default cloud-init
package_update: true
package_upgrade: true
users:
- name: sammy
ssh_authorized_keys:
- ssh-rsa AAAAB3NzaC1...
sudo: ['ALL=(ALL) NOPASSWD:ALL']
groups: ...
- 615
2
votes
0
answers
131
views
Packstack Issues with External Networking and Floating IP Addresses
I've been working on getting a packstack configuration set up for a little while now, but have been left scratching my head here and could use any and all pointers for this one.
The issue:
Outbound ...
- 21
2
votes
2
answers
398
views
openstack ansible deployment fail after creating lxc containers while running apt-get update command inside container
The openstack ansible created containers where running but they don't have access to internet. When I manually add routing then I get following error:
Err:1 http://archive.ubuntu.com/ubuntu bionic ...
- 121
2
votes
0
answers
7k
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ping: : Name or service not known - while pinging a valid ip
Well, This appears to be a known issue to many but I've applied many of the workarounds I found online but none of them worked!
I'm running packer from a docker container to build an image on ...
- 121
2
votes
1
answer
4k
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Convert qcow2 image to vSphere VMDK
As I have EC2 Metadata working on my vSphere (6.5) cluster, I'd like to import Cloud images to it, such as Ubuntu or CoreOS.
But they come in .qcow2 or .img (for CoreOS, which I believe is also qcow2)...
- 51
2
votes
0
answers
2k
views
"curl" ignores proxy environment variable when using an ip address?
I am using curl to access some web services through a proxy (an instance of polipo running on port 8123, chained to an ssh SOCKS5 proxy). If I provide proxy information using the http_proxy ...
- 4,292
2
votes
1
answer
1k
views
Where to get an Ubuntu image for OpenStack running on XenServer
So...
I installed XenServer 6.2. I installed OpenStack via DevStack (https://github.com/openstack-dev/devstack/blob/master/tools/xen/README.md). It successfully configured the OpenStack dashboard. I ...
1
vote
2
answers
4k
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cloud-init services not starting after reboot
cloud-init services not starting after reboot. I am using Suse 15 and my instance is running on openstack cloud.
OS details:
NAME="SLES"
VERSION="15"
VERSION_ID="15"
PRETTY_NAME="SUSE Linux ...
1
vote
1
answer
6k
views
Unable to Start the libvirt-bin
When I try to start libvirtd using libvirtd I get this error message:
2014-05-06 14:12:36.148+0000: 13246: info : libvirt version: 1.2.2
2014-05-06 14:12:36.148+0000: 13246: error : ...
- 180
1
vote
1
answer
2k
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Cannot ping from one physical machine's internal network to another physical machine's external network
I wanted to know why I am not able to ping from a physical machine's network interface (a private network) to another physical machine (this one has two network interfaces: a private interface that ...
- 11
1
vote
2
answers
389
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How to start after installing OpenStack
I have installed OpenStack following the tutorial from here I want to know that how can I deploy simple PHP application using Apache Hadoop on OpenStack?
Any reference?
- 329
1
vote
0
answers
33
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OpenStack Heat - External Network Creation
Is it possible to create HOT file which creates external network ? In doc there are only Net and ProviderNet resources with no "external" property so I assume you cannot do it explicitly.
Regards,
...
- 11
1
vote
0
answers
224
views
OVS bridge not receiving all packets from a Physical port
In a two OVS-DPDK compute node environment, im trying to forward/mirror one of the VM traffic from compute1 to compute2 through vxlan tunnel (userspace).
Im getting all the mirrored packets at the ...
- 11
1
vote
0
answers
20
views
CEPH volumes are full, hard to understand where the data is used
We are using CEPH as backend for our OpenStack installation.
Since two weeks, we see that we are nearly (and now) full on our volumes:
$ ceph df
GLOBAL:
SIZE AVAIL RAW USED %RAW ...
1
vote
1
answer
190
views
Openstack - errors in web interface
I have an openstack server, where I deployed 2 VMs. Occasionally I cannot see my VMs (instances) via the web. It looks as if there are no instances, although there are. It's inconsistent. Sometimes I ...
- 11
1
vote
0
answers
593
views
OpenStack DNS query reply from unexpected source (wrong port)
I had some problem with the DNS queries.
I setted security groups (now every traffic is allowed in theory). The DNS servers are 8.8.8.8 and 8.8.4.4, setted by subnetwork.
When I start a DNS query ...
- 11
1
vote
1
answer
2k
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Connecting Libvirt VM's (Domain XML config) to OpenVSwitch
I'm trying to learn OVS and KVM, and generally make sense of basic bridge networking in the virtual world (i.e. between OVS, the VM Host and KVM/Libvirt guests). I'm using ClearLinux (systemd based) ...
- 140
1
vote
0
answers
30
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Integrate altavault with openstack swift
I want to configure OpenStack Swift (Object storage) as Cloud Provider on Netapp AltaVault with Authentication Method as Username/Password.
To integrate AltaVault with OpenStack Swift, what do I ...
- 41
1
vote
2
answers
2k
views
Internet access on internal network with IPTables
On a private cloud I am setting up, I have a a few RHEL VMs, networks, and a router on openstack. My router is connected to the public internet and my gateway node is connected to the router and has ...
- 11
1
vote
1
answer
793
views
How to set up networking for lxc containers in OpenStack?
I am working on a setup of OpenStack using LXC containers for virtualization. I can launch instances (at least the instance log reports so). However, I can neither ping them nor connect to them via ...
- 111
1
vote
1
answer
2k
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How to convert qcow2 to VMDK in openstack kilo
I was trying to convert qcow2 to vmkd in Openstack Kilo version using the qemu img convert.
qemu-img convert -f qcow2 osname.qcow2 -O vmdk osnamenew.vmdk
But the converted image while booting in ...
- 13
1
vote
0
answers
109
views
noVNC console on Openstack Dashboard is rendering garbled UI on RHEL7
I am running nova-compute on RHEL7. Openstack dashboard's noVNC console is rendering garbled UI for any instance having a UI console. Can somebody please help out? This is working just fine on RHEL65
1
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0
answers
2k
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Program xxx tried to read /dev/mem between xxxxxx->xxxxxx
I've got a program that runs on RHEL 6.5 perfectly fine on a virtual machine generated with OpenStack. But since I updated my version of OpenStack (from Mirantis fuel 5.0 to 6.0) I have a new instance ...
- 111
1
vote
0
answers
1k
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Nested virtualization on (OpenStack on ESXi on Windows)
For the last few weeks I have been reading a lot about OpenStack, Cloud Computing, virtualization, VMware tools and I have decided to try it. I would like to install, configure it and try it to see ...
- 111
1
vote
0
answers
523
views
Copy/Backup VirtualMachine when suspended - VMWare WorkStation 10
Is there any method to backup/copy Virtual Machine to another location for the cause of safety without powering-off?, with suspended mode?
Actually I have OpenStack(a cloud computing OS) installed ...
- 329
1
vote
0
answers
2k
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nova-compute libvirt x86_64 emulator Error
I was trying to install openstackin Ubuntu12.04 server. I find that Nova-compute is not getting started and the error is the below. I followed some of the suggestions in various forums, but nothing ...
- 180
1
vote
0
answers
476
views
DevStack across reboot
I'd like to know how to make DevStack persistent and work across reboot.
I know some service do not automatically start since it's not made for production use.
But I'd like to be able to do stuff on ...
- 121
1
vote
0
answers
866
views
setup br100 and nova network fixed ip range
This is my situation:
An ESXi 5.0 Server (I'm doing a project for my BD);
A pool with 2 VM (1 controller node and 1 compute node)
Ubuntu 13.04 amd64 Server installed on both VM
The controller IP is ...
- 151
1
vote
1
answer
219
views
Can VMware run on top of a OpenStack VM?
Our project has resources on an OpenStack cloud and needs to run an application that according to the application developers 'can only run on VMware' until a future release which will also run on ...
- 111
1
vote
1
answer
262
views
Will OpenStack's Folsom release be supported on Ubuntu 12.04 LTS?
OpenStack Essex is the version of OpenStack being placed on the current LTS of Ubuntu, but it doesn't include Quantum which has some great networking improvements for OpenStack. This is coming in the ...
- 1,101
0
votes
2
answers
136
views
Assinging RAM to Virtual machines
I'm working on OpenStack Cloud. I have two VM's. On both I have installed CentOS 7. I have setup one VM as the controller node and the other as the compute node.
I have two questions:
Can I assign ...
- 191
0
votes
1
answer
555
views
Openstack provider network unable to connect to internet or external network
I have a controller and a compute node. I did a complete step by step installation of Victoria on Ubuntu 20.04. Configured a 192.168.4.x ip for controller and compute on eno1 interface. And also ...
- 21
0
votes
2
answers
7k
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Error appeared during Puppet run: 10.0.2.15_controller.pp
Error in installation after running the command packstack --allinone :
[root@cloud abedahmed]# ping google.fr
PING google.fr (216.58.198.67) 56(84) bytes of data.
64 bytes from dub08s02-in-f67.1e100....
- 1
0
votes
2
answers
2k
views
virt-sparsify doesn't reduce image size
I am trying to reduce image size using dd conv=sparse, but no matter what I do, the image size is still huge.
I have a CentOS image which is around 136GB. The main reason it being so big is that it ...
- 101
0
votes
2
answers
2k
views
How to install DevStack when firewall blocks git
I have been following the guide at https://docs.openstack.org/developer/devstack/ but always errors:
...
[Call Trace]
./stack.sh:718:git_clone
/opt/stack/devstack/functions-common:538:git_timed
/opt/...
- 190
0
votes
1
answer
87
views
Setting up OpenStack environment on virtual machines
I am learning OpenStack for almost a week. After reading most of OpenStack wiki, my mind still blurry at some point. However it is said OpenStack nodes could be installed on virtual machines (VMs) for ...
- 103
0
votes
1
answer
9k
views
How to recover SSH private key pair on OpenStack
I've been using a virtual machine on OpenStack, and I lost my RSA private key. Is there anyway I can get to access this virtual machine? Of course, without using the RSA key. I was thinking about ...
- 670
0
votes
1
answer
368
views
Wireguard: Communicating with the peer through one interface and sending it through another
I am sorry if this is a trivial question. I've spent the last 3 days trying to sort this problem out, so I've certainly tried to find a solution myself.
I have a host with two network interfaces that ...
0
votes
1
answer
205
views
Can't reach host on internal network
I have 3 hosts running on the same Proxmox node with two network interfaces each. The first network interface on each node is on the 10.100.59.0/24 subnet with 10.100.59.1 being the default gateway ...
- 3
0
votes
0
answers
132
views
Openstack Storage unresponsive
This question is unrelated to the question I just asked about OpenStack metadata server. This is another setup, on other machines and they both are clearly not connected to one-another.
I setup ...
- 63
0
votes
0
answers
93
views
compute does not forward packets coming from bridge
linux box 10.1.0.4 (eth0) <-> 10.1.0.5 (eth0) Compute1 10.1.1.5 (br-ex) <-> 10.1.1.201 VM
Ping works from 10.1.0.4 to 10.1.1.201 without problems, however ping from 10.1.1.201 to 10.1.0.4 ...
- 101
0
votes
0
answers
22
views
Control a VM qcow Golden Image networking (bonds)
I'm maintaining a single qcow "Golden Image" that is going to be used to test various networking configurations.
Mainly:
1 interface
2+ interfaces in different networks
bonds
I've been ...
- 113
0
votes
2
answers
263
views
Openstack Heat install [ERROR: All heat engines are down.]
I have successfully installed OpenStack Victoria on Ubuntu 20.04.
After installing heat using this guide
https://docs.openstack.org/heat/victoria/install/install-ubuntu.html
and verifying using same ...
- 21
0
votes
1
answer
850
views
Cant ssh or ping OpenStack instances from other devices on network
I have done a DevStack installation of OpenStack on a server.
I have added ICMP and SSH rules to the security group. And have made instances on it.
I can ssh and ping these instances from the host ...
- 21
0
votes
1
answer
248
views
Ubuntu VM Failed Package Upgrade due to No space left on device: Troubleshoot for Root Cause and Solutions?
After a failed attempt to upgrade MySQL server on a Ubuntu VM, it seems to have ate up any remaining partition space
reading /usr/share/mecab/dic/ipadic/Noun.csv ... 60477
reading /usr/share/mecab/...
- 1