[Vserver] Acceptable characters in a vserver name?
Hello, A quick question. What are the acceptable characters in a vserver name? I would suppose [a-z][A-Z] + '_' and '-' are ok, but are accents, spaces and other characters acceptable? -- Guillaume Pratte Recherche et développement Révolution Linux Toutes les opinions et les prises de position exprimées dans ce courriel sont celles de son auteur et ne répresentent pas nécessairement celles de Révolution Linux. Any views and opinions expressed in this email are solely those of the author and do not necessarily represent those of Revolution Linux. ___ Vserver mailing list Vserver@list.linux-vserver.org http://list.linux-vserver.org/mailman/listinfo/vserver
Re: [Vserver] [Release] Stable 2.2.0 : where is the changelog?
Thanks for the change log Daniel. Something is solliciting my curiosity though: - privacy for guests, which will hide things from xid 1 I am not sure I am found of that privacy thing. Isn't xid 1 the monitoring context? Isn't supposed to be able to see everything in the system? For instance, if I remember correctly, vserver-stat uses xid 1 to mesure the memory usage of each vserver... Maybe it's an irrational fear, but it seems to me like an invitation to root kits... With this privacy option, how will we be able to precisely account the memory usage of each vserver? Guillaume Pratte Daniel Hokka Zakrisson a écrit : The major changes are: - COW link breaking - 2.6.19+ support (i.e. using the mainline namespaces) - capability masking, allowing things like bind9 to run unmodified in guests - artificially advancing idle time, allowing fair sharing of CPU resources among guests - accounting APIs, making it easier to write monitoring programs And a few of the rather minor/less useful changes: - allows raising the bcapabilities of a guest while it's running - virtualized time - the ability to create private guests, that cannot be easily administered from the host - warnings without CONFIG_VSERVER_DEBUG (so Debian users will see them too...) - legacy disabled by default (so util-vserver 0.30.213+ recommended) - privacy for guests, which will hide things from xid 1 - a scheduling monitor -- Guillaume Pratte Recherche et développement Révolution Linux Toutes les opinions et les prises de position exprimées dans ce courriel sont celles de son auteur et ne répresentent pas nécessairement celles de Révolution Linux. Any views and opinions expressed in this email are solely those of the author and do not necessarily represent those of Revolution Linux. ___ Vserver mailing list Vserver@list.linux-vserver.org http://list.linux-vserver.org/mailman/listinfo/vserver
Re: [Vserver] [Release] Stable 2.2.0 : where is the changelog?
Daniel Hokka Zakrisson a écrit : Guillaume Pratte wrote: Maybe it's an irrational fear, but it seems to me like an invitation to root kits... With this privacy option, how will we be able to precisely account the memory usage of each vserver? vserver-stat in util-vserver 0.30.213 doesn't use xid 1 anymore (if you have a recent enough kernel that has the accounting APIs). Can you tell me in which version of the patch the accounting APIs where introduced? (Is it in the just-released 2.2.0?) Can you point me toward the documentation of these APIs? -- Guillaume Pratte Recherche et développement Révolution Linux Toutes les opinions et les prises de position exprimées dans ce courriel sont celles de son auteur et ne répresentent pas nécessairement celles de Révolution Linux. Any views and opinions expressed in this email are solely those of the author and do not necessarily represent those of Revolution Linux. ___ Vserver mailing list Vserver@list.linux-vserver.org http://list.linux-vserver.org/mailman/listinfo/vserver
Re: [Vserver] [Release] Stable 2.2.0 : where is the changelog?
Hello, Where can I find the change log from version 2.02? I don't see it linked from http://www.13thfloor.at/vserver/s_rel26/v2.2.0/ Thanks! Guillaume Herbert Poetzl a écrit : Greetings Community! after a longer rc stage, to get rid of all the minor issues, we proudly present the first release of the new stable 2.2 branch, which includes all the 'considered stable' features of the previous devel branch (2.1.x) which has been superceded by the 2.3.x devel branch ... http://www.13thfloor.at/vserver/s_rel26/v2.2.0/ (tools supposed to work fine on Mandriva 2007.x) thanks to all who helped in development and did test the release candidates ... enjoy, Herbert ___ Vserver mailing list Vserver@list.linux-vserver.org http://list.linux-vserver.org/mailman/listinfo/vserver -- Guillaume Pratte Recherche et développement Révolution Linux Toutes les opinions et les prises de position exprimées dans ce courriel sont celles de son auteur et ne répresentent pas nécessairement celles de Révolution Linux. Any views and opinions expressed in this email are solely those of the author and do not necessarily represent those of Revolution Linux. ___ Vserver mailing list Vserver@list.linux-vserver.org http://list.linux-vserver.org/mailman/listinfo/vserver
Re: [Vserver] OCS Inventory
Herbert Poetzl a écrit : you might want to check with the source (of OCS Agent) what the application actually does with /dev/mem As far as I know, OCS only uses /dev/mem to check if the script has root access. Commenting the lines in the script enable the agent to run in a vserver without the security implications of giving access to the guest to that device. We use OCS in vservers at Revolution Linux and with that small patch it is working pretty well. -- Guillaume Pratte Recherche et développement Révolution Linux Toutes les opinions et les prises de position exprimées dans ce courriel sont celles de son auteur et ne répresentent pas nécessairement celles de Révolution Linux. Any views and opinions expressed in this email are solely those of the author and do not necessarily represent those of Revolution Linux. ___ Vserver mailing list Vserver@list.linux-vserver.org http://list.linux-vserver.org/mailman/listinfo/vserver
[Vserver] An efficient solution to monitor disk space, swap and memory of vservers with Nagios
Hello, If you use Nagios to monitor your vservers, you might be tired of always having to change Nagios' configuration each time you add a new LVM for vserver. Or maybe you just want something simple to configure that monitors ALL mount point without having to configure the alert thresold for each. If this is the case, I developped a plugin that will interest you! With the release of vsmon-0.5, which include many improvements (see http://vsmon.revolutionlinux.com/Virtual_server_monitor:Change_log), comes a new Nagios plugin to automatically monitor all mount points of the host plus the memory and the swap, using the vsmon backend. vsmon is licensed under the GPL. Details about this new plugin are available here : http://vsmon.revolutionlinux.com/Virtual_server_monitor:Nagios_plugin I am using the plugin with dozens of hosts at Révolution Linux, even via VPN connections to clients. You can also use the plugin/backend combination on hosts that don't have the Linux-VServers tools installed. vsmon-0.5's frontend also includes a new search field that allows for live query to search for the location of a particular vserver in the park. Hoping this mail was not too much off-topic :-) For more informations, see this URL : http://vsmon.revolutionlinux.com Thanks, -- Guillaume Pratte Recherche et développement Révolution Linux Toutes les opinions et les prises de position exprimées dans ce courriel sont celles de son auteur et ne répresentent pas nécessairement celles de Révolution Linux. Any views and opinions expressed in this email are solely those of the author and do not necessarily represent those of Revolution Linux. ___ Vserver mailing list Vserver@list.linux-vserver.org http://list.linux-vserver.org/mailman/listinfo/vserver
Re: [Vserver] memory usage
Chuck a écrit : is there a way to see how much memory a particular guest is using? maybe something similar to the free command? i have no memory limitations on these first few. I humbly suggest that you also look at vsmon, which displays in a web page the equivalent of vserver-stat, and more : http://vsmon.revolutionlinux.com/ -- Guillaume Pratte Recherche et développement Révolution Linux Toutes les opinions et les prises de position exprimées dans ce courriel sont celles de son auteur et ne répresentent pas nécessairement celles de Révolution Linux. Any views and opinions expressed in this email are solely those of the author and do not necessarily represent those of Revolution Linux. ___ Vserver mailing list Vserver@list.linux-vserver.org http://list.linux-vserver.org/mailman/listinfo/vserver
Re: [Vserver] Virtual server monitor
Tom Laermans a crit: On Tue, 2006-09-26 at 22:38 -0400, Guillaume Pratte wrote: Hello, I would like to have the opinion of the mailing list about a tool I just released called 'Virtual server monitor' or 'vsmon' for short : http://vsmon.revolutionlinux.com/ Looks great! Once you have some .deb's I'll have to try it out ;) Please help yourself : http://vsmon.revolutionlinux.com/Virtual_server_monitor:Installation#Debian_testing.2Funstable The packages are far from beeing perfect, but they work :-) -- Guillaume Pratte Recherche et dveloppement Rvolution Linux Toutes les opinions et les prises de position exprimes dans ce courriel sont celles de son auteur et ne rpresentent pas ncessairement celles de Rvolution Linux. Any views and opinions expressed in this email are solely those of the author and do not necessarily represent those of Revolution Linux. ___ Vserver mailing list Vserver@list.linux-vserver.org http://list.linux-vserver.org/mailman/listinfo/vserver
Re: [Vserver] Virtual server monitor
Tom Laermans a écrit : I was planning to make something similar like this, but with a different sort of backend, being an extension into snmpd. I've made different scripts already to be able to monitor daemon stuff through cacti, and was planning on making on one side some nice graphs about load and memory and such, and otherwise an overview page with all the info on it. I would suggest you look at collectd : http://collectd.org/ It collects system information every 10 seconds and writes it into an RRD database. It is implement in C and seems to consume almost nothing in term of ressources on the host. It can monitor vservers too! And it is dead simple to configure. It comes with a simple Perl CGI script to display the graphs. Have a look at these examples : http://tokkee.org/cgi-bin/collection.cgi http://tokkee.org/cgi-bin/collection.cgi/vserver-42097 http://zethradon.no-ip.org:36987/cgi-bin/collection.cgi The first two links point to the server of the author of collectd (Sebastien Harl). The second is an example of vserver monitoring. The third link is my personnal machine. I plan to integrate collectd to vsmon eventually. -- Guillaume Pratte Recherche et développement Révolution Linux Toutes les opinions et les prises de position exprimées dans ce courriel sont celles de son auteur et ne répresentent pas nécessairement celles de Révolution Linux. Any views and opinions expressed in this email are solely those of the author and do not necessarily represent those of Revolution Linux. ___ Vserver mailing list Vserver@list.linux-vserver.org http://list.linux-vserver.org/mailman/listinfo/vserver
[Vserver] Virtual server monitor
Hello, I would like to have the opinion of the mailing list about a tool I just released called 'Virtual server monitor' or 'vsmon' for short : http://vsmon.revolutionlinux.com/ It is a web-based interface with the primary feature to list all vservers running on all hosts visible by the interface. It also displays some basic statistics such as uptime, memory usage, number of process, etc. Basically, it is a distributed vserver-stat on steroids :-) It was developed to answer the question Where the heck is that vserver running?, and thus offer a web page where it is possible to use the find dialog of the web browser to trace back on which host a particular vserver guest is running. It is developped entirely using Python. The web frontend uses Django [1], one of the best Python-based web framework currently available. Communication between the backend and the frontend is assured by Pyro [2]. [1] http://www.django-project.com/ [2] http://pyro.sf.net/ I am aware of the existance of OpenVCP, but I chose to write my own application, one reason being that I wanted to develop using Python all the way and not C and PHP. For now, the only easy way to install vsmon is by running Mandriva 2006, but I hope to support Debian also in the future. Installing by source is possible, but not easy. However, I will provide support to people posting on the vsmon mailing list (https://lists.sourceforge.net/lists/listinfo/vsmon-users). Feedback is appreciated :-) Thanks, Guillaume Pratte Software engineer Revolution Linux http://vsmon.revolutionlinux.com/ -- Any views and opinions expressed in this email are solely those of the author and do not necessarily represent those of Revolution Linux. ___ Vserver mailing list Vserver@list.linux-vserver.org http://list.linux-vserver.org/mailman/listinfo/vserver
