Re: [Openstack] How to deploy OpenStack on thousands of nodes?
Kylin, I think there is some confusion as to the term broadcast. Many of the Rabbit docs describe the delivery of a message from one publisher to multiple subscribers as a 'broadcast'. This is not to be confused with a network broadcast where traffic is sent over the network broadcast address. Rabbit uses tcp and a publisher/subscriber model - even in more complex configurations where there are multiple publishers (think cluster). I have personally implemented large openstack compute clouds that had many hypervisors, each on individual subnets and a rabbit server on yet another subnet and all message traffic worked as expected. There were no actual network broadcasts to worry about. In my previous message I had assumed that you were actually in the process of implementation and were running into problems. It now seems that is not the case - you are in a review or planning period. However - as I noted above the openstack queues on rabbit will work in a distributed network configuration as long as all of the subscribers can reach the rabbit server on tcp/5672. I've personally done it and not had an issue. Brent On Tue, Jun 25, 2013 at 9:40 PM, Sg Kylin kylin7...@gmail.com wrote: Hi Brent, Thanks for your reply! But we are afraid that Rabbitmq needs broadcast to work correctly and usually broadcast is not available in cross-subnets deployments. That is what we are worrying about... Best, Kylin CG 2013/6/26 Brent Roskos brent.ros...@solinea.com By default rabbit uses tcp port 5672 for communication.. tcp can certainly cross subnet boundaries and be routed without issue. I suggest you do some network troubleshooting; ping your rabbit server then telnet to port 5672 on the rabbit server from hosts on the other subnets. Check your router acls and local host firewalls. Check to make sure that your rabbit server has a route to get back to the other subnets with the reply. Dual homed hosts with one local connection and one Internet connection will need specific routes added to allow them to reach other local subnets since you wouldn't want that traffic to try to traverse the default route which points out to the Internet. This is true even if you are using virtual interfaces with vlans instead of separate physical interfaces. Regards, Brent On Tue, Jun 25, 2013 at 6:10 AM, Sg Kylin kylin7...@gmail.com wrote: Hi All, We are currently trying to deploy OpenStack on thousands of nodes. We are using Grizzly stable version and Ubuntu 12.04.2. However, the big problem we meet now is the network topology. If we want to use HA (haproxy + keepalived) for the controller nodes on which *-apis are running as well as network nodes which are deployed across different VLANs (VLANs can reach each other by setting gateways), e.g 10.1.0.0/16 and 10.2.0.0/16, HA would not work correctly. Also we found that rabbitmq could not work when nova-* services were deployed across different subnets. Thus, we want to know whether HA and rabbitmq can be used across subnets? If it not true, we can only deploy them in a single flat layer 2 net, which seems unfeasible in real-world because of broadcast storms... Best, Kylin CG ___ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp ___ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp
Re: [Openstack] How to deploy OpenStack on thousands of nodes?
Kylin, I've previously used ECMP to balance traffic to Openstack components that scale laterally like nova-api. This was fairly easy to set up and worked well for what we needed where state was not needed. I've also used keepalived for services that did not scale laterally. In this case I put two horizon servers behind an active/passive virtual IP. This was also pretty simple as there was no need to maintain state information in for active passive. That wouldn't work quite as well when capacity thresholds started to become a concern. Neither of the above required multicast support - which really helps with deployment options. Support for Rabbit and persistent queues in Openstack has gotten much better, making a highly available rabbit configuration at least possible. I've not done much with this myself, beyond basic active/passive. I've worked with one particular implementation that used ZeroMQ to handle messaging with no single point of failure. ZMQ is peer to peer with no central message server. This works - but can be problematic for some of the less mature Openstack products, like Ceilometer which doesn't have full ZMQ support yet. On Wed, Jun 26, 2013 at 9:00 AM, Sg Kylin kylin7...@gmail.com wrote: Hi Brent, Thanks very much for your sharing of your experience. I want to clarify that we are indeed trying to deploy OpenStack on thousands of nodes. The first block we met was keepalived based HA which needs multicast. Thus we are reviewing our network topology design again. At the same time we knew from the docs of rabbmit needs broadcast. And in the first try we made a wrong configuration for rabbitmq thus it did not work. We will have a detailed test on both of that. Best, Kylin CG 2013/6/26 Brent Roskos brent.ros...@solinea.com Kylin, I think there is some confusion as to the term broadcast. Many of the Rabbit docs describe the delivery of a message from one publisher to multiple subscribers as a 'broadcast'. This is not to be confused with a network broadcast where traffic is sent over the network broadcast address. Rabbit uses tcp and a publisher/subscriber model - even in more complex configurations where there are multiple publishers (think cluster). I have personally implemented large openstack compute clouds that had many hypervisors, each on individual subnets and a rabbit server on yet another subnet and all message traffic worked as expected. There were no actual network broadcasts to worry about. In my previous message I had assumed that you were actually in the process of implementation and were running into problems. It now seems that is not the case - you are in a review or planning period. However - as I noted above the openstack queues on rabbit will work in a distributed network configuration as long as all of the subscribers can reach the rabbit server on tcp/5672. I've personally done it and not had an issue. Brent On Tue, Jun 25, 2013 at 9:40 PM, Sg Kylin kylin7...@gmail.com wrote: Hi Brent, Thanks for your reply! But we are afraid that Rabbitmq needs broadcast to work correctly and usually broadcast is not available in cross-subnets deployments. That is what we are worrying about... Best, Kylin CG 2013/6/26 Brent Roskos brent.ros...@solinea.com By default rabbit uses tcp port 5672 for communication.. tcp can certainly cross subnet boundaries and be routed without issue. I suggest you do some network troubleshooting; ping your rabbit server then telnet to port 5672 on the rabbit server from hosts on the other subnets. Check your router acls and local host firewalls. Check to make sure that your rabbit server has a route to get back to the other subnets with the reply. Dual homed hosts with one local connection and one Internet connection will need specific routes added to allow them to reach other local subnets since you wouldn't want that traffic to try to traverse the default route which points out to the Internet. This is true even if you are using virtual interfaces with vlans instead of separate physical interfaces. Regards, Brent On Tue, Jun 25, 2013 at 6:10 AM, Sg Kylin kylin7...@gmail.com wrote: Hi All, We are currently trying to deploy OpenStack on thousands of nodes. We are using Grizzly stable version and Ubuntu 12.04.2. However, the big problem we meet now is the network topology. If we want to use HA (haproxy + keepalived) for the controller nodes on which *-apis are running as well as network nodes which are deployed across different VLANs (VLANs can reach each other by setting gateways), e.g 10.1.0.0/16 and 10.2.0.0/16, HA would not work correctly. Also we found that rabbitmq could not work when nova-* services were deployed across different subnets. Thus, we want to know whether HA and rabbitmq can be used across subnets? If it not true, we can only deploy them in a single flat layer 2 net, which seems unfeasible in real-world because
Re: [Openstack] [openstack-dev] How to deploy OpenStack on thousands of nodes?
I stand corrected. Mostly confused since the keepalived didn't actually need addresses in the multicast IP range. It does use it - as I can see with ifconfig. We minimized the impact of this by creating a small subnet that just had the switch address, host addresses and vrrp address in it. All the chatter was contained within that block. We avoided pacemaker in this particular instance because the keepalived setup and configuration was so very simple - only a couple of lines in a config file, and because we didn't need any of the other available HA features. Brent On Wed, Jun 26, 2013 at 10:03 AM, Jesse Pretorius jesse.pretor...@gmail.com wrote: On 26 June 2013 15:42, Brent Roskos brent.ros...@solinea.com wrote: I've also used keepalived for services that did not scale laterally. In this case I put two horizon servers behind an active/passive virtual IP. This was also pretty simple as there was no need to maintain state information in for active passive. That wouldn't work quite as well when capacity thresholds started to become a concern. Neither of the above required multicast support - which really helps with deployment options. *ahem* keepalived most definitely requires multicast support for its vrrp... and it's quite noisy. If there's a way to make it use unicast instead, I'd definitely like to know. corosync pacemaker can do a virtual IP failover between as many nodes as you like using unicast instead of multicast. ___ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp ___ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp
Re: [Openstack] Nova API to get VMs belonging to other users / tenants
No - you need a token with admin creds for that (user must have admin role in keystone). Once you have the correct creds, you can use the nova cli: nova list --all-tenants If you wanted to see how this looks in the raw API, just pass the debug flag in the cli and it will show you the correct post. Brent On Tue, Jun 25, 2013 at 11:59 AM, Narayanan, Krishnaprasad naray...@uni-mainz.de wrote: Hallo All, ** ** Is it possible using the Nova API for a normal user / tenant to get all VMs belonging to other users / tenants? ** ** If yes, can I get to know how to achieve this? ** ** Thanks Krishnaprasad ___ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp ___ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp
Re: [Openstack] How to deploy OpenStack on thousands of nodes?
I'll speak to your rabbit question: By default rabbit uses tcp port 5672 for communication.. tcp can certainly cross subnet boundaries and be routed without issue. I suggest you do some network troubleshooting; ping your rabbit server then telnet to port 5672 on the rabbit server from hosts on the other subnets. Check your router acls and local host firewalls. Check to make sure that your rabbit server has a route to get back to the other subnets with the reply. Dual homed hosts with one local connection and one Internet connection will need specific routes added to allow them to reach other local subnets since you wouldn't want that traffic to try to traverse the default route which points out to the Internet. This is true even if you are using virtual interfaces with vlans instead of separate physical interfaces. Regards, Brent On Tue, Jun 25, 2013 at 6:10 AM, Sg Kylin kylin7...@gmail.com wrote: Hi All, We are currently trying to deploy OpenStack on thousands of nodes. We are using Grizzly stable version and Ubuntu 12.04.2. However, the big problem we meet now is the network topology. If we want to use HA (haproxy + keepalived) for the controller nodes on which *-apis are running as well as network nodes which are deployed across different VLANs (VLANs can reach each other by setting gateways), e.g 10.1.0.0/16 and 10.2.0.0/16, HA would not work correctly. Also we found that rabbitmq could not work when nova-* services were deployed across different subnets. Thus, we want to know whether HA and rabbitmq can be used across subnets? If it not true, we can only deploy them in a single flat layer 2 net, which seems unfeasible in real-world because of broadcast storms... Best, Kylin CG ___ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp ___ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp
Re: [Openstack] [Swift] Load Average node storage
I wouldn't think 3 replica's across 1 zone is a viable configuration. Given you are starting with 4 servers, you should really have 4 zones. Then all 3 copies of an object can still go somewhere even when aone server is down. When you add more servers, just add them in groups of 4 to keep it simple and drop a new one in each of the 4 zones. Brent On Mon, Jun 24, 2013 at 2:42 AM, Robert van Leeuwen robert.vanleeu...@spilgames.com wrote: load average: 24.06, 24.02, 24.00 There is something, can i do to reduce the load? is it normal? I guess it depends on what is causing the load. (are there processes eating all cpu cycles?) What we see is that the object-auditor and object-replicator can cause quite a bit of load because they are crawling the filesystems and waiting for IO. You can try to turn these off for a while to see if the load is caused by them. and why is there a node storage with load 0 and 0 cpu? Is it properly configured in the ring files? (as in: does it have files on its filesystems) Are the object-auditor and replicator running? Cheers, Robert van Leeuwen ___ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp ___ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp
Re: [Openstack] How to deploy OpenStack on thousands of nodes?
By default rabbit uses tcp port 5672 for communication.. tcp can certainly cross subnet boundaries and be routed without issue. I suggest you do some network troubleshooting; ping your rabbit server then telnet to port 5672 on the rabbit server from hosts on the other subnets. Check your router acls and local host firewalls. Check to make sure that your rabbit server has a route to get back to the other subnets with the reply. Dual homed hosts with one local connection and one Internet connection will need specific routes added to allow them to reach other local subnets since you wouldn't want that traffic to try to traverse the default route which points out to the Internet. This is true even if you are using virtual interfaces with vlans instead of separate physical interfaces. Regards, Brent On Tue, Jun 25, 2013 at 6:10 AM, Sg Kylin kylin7...@gmail.com wrote: Hi All, We are currently trying to deploy OpenStack on thousands of nodes. We are using Grizzly stable version and Ubuntu 12.04.2. However, the big problem we meet now is the network topology. If we want to use HA (haproxy + keepalived) for the controller nodes on which *-apis are running as well as network nodes which are deployed across different VLANs (VLANs can reach each other by setting gateways), e.g 10.1.0.0/16 and 10.2.0.0/16, HA would not work correctly. Also we found that rabbitmq could not work when nova-* services were deployed across different subnets. Thus, we want to know whether HA and rabbitmq can be used across subnets? If it not true, we can only deploy them in a single flat layer 2 net, which seems unfeasible in real-world because of broadcast storms... Best, Kylin CG ___ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp ___ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp
Re: [Openstack] How to query ceilometer to get nova-specific data
Jobin, Please ensure that the token you are using was obtained with a user having the admin role. Regards, Brent On Thu, Jun 20, 2013 at 7:29 AM, Jobin Raju George jobin...@gmail.comwrote: Thanks Claudio for your detailed explanation, but the query returns me an empty list: [] Is something wrong with my nova-* or ceilometer-*? On Thu, Jun 20, 2013 at 4:53 PM, claudio marques clau...@onesource.ptwrote: Hi Well, i am also trying to decode all the meters that ceilometer can return, and how to do most of the queries, but, to query some specific data, what I am doing is: Firs get the resource id number and then query using parameters in the curl command. This is what I already tested: Get the resource id from what you want to query ceilometer *$ curl -X GET -H 'X-Auth-Token:my_token_here' http://localhost:8777/v2/resources **| python -mjson.tool** * And then query with: *$curl -X GET -H 'X-Auth-Token:my_token_here' http://localhost:8777/v2/ meters/cpu?q.field=resource_idq.value=resource_id_here | python -mjson.tool* Remember that option q is to filter rules for the resources to be returned, and try to use *python mjson.tool,* just for having something legible in your terminal. Good luck :) Cláudio Marques clau...@onesource.pt http://www.onesource.pt/ -- Date: Thu, 20 Jun 2013 16:03:00 +0530 From: jobin...@gmail.com To: clau...@onesource.pt CC: openstack@lists.launchpad.net Subject: Re: [Openstack] How to query ceilometer to get nova-specific data Hey, Claudio! The command I executed is the second command in the page that you gavehttp://docs.openstack.org/developer/ceilometer/webapi/v2.html(which is also the one I am referring to). Can you please pin-point what is the mistake in the command or counsel what is the right one to get nova-specific data? By the way, I replaced resource_id with the actual ID of the resource I wanted. On Thu, Jun 20, 2013 at 3:50 PM, claudio marques clau...@onesource.ptwrote: Hi Jobin I think that your Curl command is not right. Look into this page for more info about meters from ceilometer. http://docs.openstack.org/developer/ceilometer/webapi/v2.html#ceilometer.api.controllers.v2.Statistics.max Cheers -- Date: Thu, 20 Jun 2013 15:19:44 +0530 From: jobin...@gmail.com To: openstack@lists.launchpad.net Subject: [Openstack] How to query ceilometer to get nova-specific data Hey, all! I installed ceilometer on Ubuntu 12.04 using the manual installation guide given herehttp://docs.openstack.org/developer/ceilometer/install/manual.html. However, I am having trouble getting data from it. When I do a ceilometer meter-list, all I get is a table with 4 rows with the names: image and image.size and its parameters; no CPU, vCPU and memory. When I query using curl, I get some data regarding images installed and their sizes and ID and date of creation, etc.; no nova-specific data. This is how I query ceilometer using curl: curl -X GET -H 'X-Auth-Token:my_token_here' http://localhost:8777/v2/resources/resource_id; This returns a 404 Not Found error. These are my primary concerns: 1) How do I query to get the CPU resources utilized by my virtual machines? 2) How do I decide on which port I have to pass this query? There are some documents which have v1 instead of v2 in the URL, I would like to have clarification on that too. Thanks for your patience. -- Thanks and regards, Jobin Raju George Third Year, Information Technology College of Engineering Pune Alternate e-mail: georgejr10...@coep.ac.in ___ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.netUnsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp ___ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp -- Thanks and regards, Jobin Raju George Third Year, Information Technology College of Engineering Pune Alternate e-mail: georgejr10...@coep.ac.in ___ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.netUnsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp ___ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp -- Thanks and regards, Jobin Raju George Third Year, Information Technology College of Engineering Pune Alternate e-mail: georgejr10...@coep.ac.in ___ Mailing
Re: [Openstack] Swift cleaning tenant after deletion on Keystone
The account-reaper generally takes care of this. Have you seen this? http://docs.openstack.org/developer/swift/overview_reaper.html Regards, Brent On Thu, Jun 20, 2013 at 6:06 AM, Heiko Krämer i...@honeybutcher.de wrote: Hey Hugo, ok, thx for your quick answer! Greetings Heiko On 20.06.2013 11:56, Kuo Hugo wrote: Hi Heiko, All objects won't be deleted if the tenant been deleted in Keystone. Hugo +Hugo Kuo+ h...@swiftstack.com tonyt...@gmail.com +886 935004793 ___ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp ___ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp
Re: [Openstack] How to query ceilometer to get nova-specific data
Ok - good, sometimes that trips folks up. I think most of the instance specific data, like CPU is accumulated by the ceilometer-agent-compute is this running properly on your compute node(s)? Anything interesting in the logs for that service on the compute node(s)? Brent On Thu, Jun 20, 2013 at 8:17 AM, Jobin Raju George jobin...@gmail.comwrote: Hey, Brent! Yes, I am using admin as the user for querying and keystone user-role-listhas admin as one of its roles. On Thu, Jun 20, 2013 at 5:16 PM, Brent Roskos brent.ros...@solinea.comwrote: Jobin, Please ensure that the token you are using was obtained with a user having the admin role. Regards, Brent On Thu, Jun 20, 2013 at 7:29 AM, Jobin Raju George jobin...@gmail.comwrote: Thanks Claudio for your detailed explanation, but the query returns me an empty list: [] Is something wrong with my nova-* or ceilometer-*? On Thu, Jun 20, 2013 at 4:53 PM, claudio marques clau...@onesource.ptwrote: Hi Well, i am also trying to decode all the meters that ceilometer can return, and how to do most of the queries, but, to query some specific data, what I am doing is: Firs get the resource id number and then query using parameters in the curl command. This is what I already tested: Get the resource id from what you want to query ceilometer *$ curl -X GET -H 'X-Auth-Token:my_token_here' http://localhost:8777/v2/resources **| python -mjson.tool** * And then query with: *$curl -X GET -H 'X-Auth-Token:my_token_here' http://localhost:8777/v2/ meters/cpu?q.field=resource_idq.value=resource_id_here | python -mjson.tool* Remember that option q is to filter rules for the resources to be returned, and try to use *python mjson.tool,* just for having something legible in your terminal. Good luck :) Cláudio Marques clau...@onesource.pt http://www.onesource.pt/ -- Date: Thu, 20 Jun 2013 16:03:00 +0530 From: jobin...@gmail.com To: clau...@onesource.pt CC: openstack@lists.launchpad.net Subject: Re: [Openstack] How to query ceilometer to get nova-specific data Hey, Claudio! The command I executed is the second command in the page that you gavehttp://docs.openstack.org/developer/ceilometer/webapi/v2.html(which is also the one I am referring to). Can you please pin-point what is the mistake in the command or counsel what is the right one to get nova-specific data? By the way, I replaced resource_id with the actual ID of the resource I wanted. On Thu, Jun 20, 2013 at 3:50 PM, claudio marques clau...@onesource.ptwrote: Hi Jobin I think that your Curl command is not right. Look into this page for more info about meters from ceilometer. http://docs.openstack.org/developer/ceilometer/webapi/v2.html#ceilometer.api.controllers.v2.Statistics.max Cheers -- Date: Thu, 20 Jun 2013 15:19:44 +0530 From: jobin...@gmail.com To: openstack@lists.launchpad.net Subject: [Openstack] How to query ceilometer to get nova-specific data Hey, all! I installed ceilometer on Ubuntu 12.04 using the manual installation guide given herehttp://docs.openstack.org/developer/ceilometer/install/manual.html. However, I am having trouble getting data from it. When I do a ceilometer meter-list, all I get is a table with 4 rows with the names: image and image.size and its parameters; no CPU, vCPU and memory. When I query using curl, I get some data regarding images installed and their sizes and ID and date of creation, etc.; no nova-specific data. This is how I query ceilometer using curl: curl -X GET -H 'X-Auth-Token:my_token_here' http://localhost:8777/v2/resources/resource_id; This returns a 404 Not Found error. These are my primary concerns: 1) How do I query to get the CPU resources utilized by my virtual machines? 2) How do I decide on which port I have to pass this query? There are some documents which have v1 instead of v2 in the URL, I would like to have clarification on that too. Thanks for your patience. -- Thanks and regards, Jobin Raju George Third Year, Information Technology College of Engineering Pune Alternate e-mail: georgejr10...@coep.ac.in ___ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp ___ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp -- Thanks and regards, Jobin Raju George Third Year, Information Technology College of Engineering Pune Alternate e-mail: georgejr10...@coep.ac.in ___ Mailing list: https://launchpad.net/~openstack Post to : openstack
Re: [Openstack] Problem to find/start openstack services
Isn't rejoin-stack devstack? If you are running devstack, use: screen -x (as the user you are running stack.sh or rejoin-stack from). then you can use ctrl-a n to page through the screens http://ss64.com/bash/screen.html Regards, Brent On Tue, Jan 29, 2013 at 3:53 PM, JuanFra Rodriguez Cardoso juanfra.rodriguez.card...@gmail.com wrote: Try e.g: dpkg --get-selections | grep -i keystone However, you can view openstack services in /etc/init.d/ and python files in /usr/lib/python2.x/sites-packages/keystone... 2013/1/29 Guilherme Souza souza.guilherm...@gmail.com ubuntu 11.10 2013/1/29 JuanFra Rodriguez Cardoso juanfra.rodriguez.card...@gmail.com What distro are you using? 2013/1/29 Guilherme Souza souza.guilherm...@gmail.com I've runned the rejoin-stack.sh script and i got access the dashboard, but if i run top command at linux bash (shell), i can't see the services running and I tried to run the services and I'm getting messages like this one: keystone: unrecognized service Ideas? 2013/1/29 Razique Mahroua razique.mahr...@gmail.com Hi, If you installed OpenStack from the repositories, then you have all the init scripts as well. You can then use the following command : $ service nova-X start (x being the name of the service) $ service keystone start Regards, Razique Le mardi 29 janvier 2013, Guilherme Souza a écrit : Hello folks, I'm getting a problem, some days ago i've logged into dashboard with no problems, but today, I've tried to log into dashboard and i got this message: An error occurred authenticating. Please try again later. And, i can't found the services runnig using the ubuntu CLI, i've tried to start them, but i got a lot of nova: unrecognized service. My question is, how to start the openstack services? Thanks in advance. -- Guilherme Santos Souza -- *Nuage Co - Razique Mahroua* razique.mahr...@gmail.com -- Atenciosamente, Guilherme Santos Souza Sistemas de Informação - PUCRS Fone: (51) 9695-1070 ___ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp -- JuanFra -- Atenciosamente, Guilherme Santos Souza Sistemas de Informação - PUCRS Fone: (51) 9695-1070 -- JuanFra ___ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp -- *Brent Roskos* / Senior Cloud Architect Cloud Technology Partners / www.cloudtp.com 678.744.3623 / brent.ros...@cloudtp.com -- The information contained in this e-mail message may be privileged and confidential information and is intended only for the use of the individual and/or entity identified in the alias address of this message. If the reader of this message is not the intended recipient, or an employee or agent responsible to deliver it to the intended recipient, you are hereby notified that you have received this in error and that any review, dissemination, distribution, or copying of this message is strictly prohibited. If you have received this message in error, please notify us immediately by telephone or return e-mail and delete the original message from your system. ___ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp
