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Hello everybody! I would like to introduce myself, as this is my first contact with libvirt mailing list (although I've been reading quite a lot of documentation). My name is Joaquim Barrera, from Barcelona, Catalonia. I am a computer engineer and recently I joined a research group here in the university. My task is related to VM migration and management, and since then (a couple of months) I've been trying to figure some things up. Now I need to go one step forward, and I would like to set up a nice dev environment to try some modifications we want to make to libvirt, such as new API or migration-related-stuff. Although I am familiar with linux environrment and programming, I am not really quite familiar with this kind of, may I say, professional development, and there are some issues I need to solve before start writting code. Some of this issues you'll find not relevant or newbie stuff, but I assure you I tried lots of times before coming here. :-) Here is what I got following the instructions in http://libvirt.org/compiling.html $ ./autogen.sh --system
$ make
After make finishes I have compiled 1.2.0 libvirt in the source tree, and if I execute 'sudo ./run tools/virsh version' I get a this answer: Compiled against library: libvirt 1.2.0 Using library: libvirt 1.2.0 Using API: QEMU 1.2.0 Running hypervisor: QEMU 1.5.0 (note that now I need to run virsh with sudo, I don't know exactly why) So far, so good. I guess that, with --system flag, 1.2.0 custom libvirt uses config files from standard directories such as /etc/libvirt/libvirtd.conf, and if I used a custom directory instead, I would have to redefine my VMs, am I right? Problems come when I want to use custom 1.2.0 daemon. If I execute "sudo service libvirt-bin stop" followed by "./daemon/libvirtd -d", then custom virsh gives me this error: error: failed to connect to the hypervisor error: no valid connection error: Failed to connect socket to '/var/run/libvirt/libvirt-sock': No such file or directory And I need to kill custom daemon and restart 1.1.1 libvirtd to recover from this. Any advice? Finally (sorry about this large mail), there is one thing that does bother me quite a lot. Using custom virsh, command history seems to vanish, as I press Arrow-UP and I get "^[[A" in the screen, instead of last command used. Tell me, please, that this is just some silly config I need to adjust... :_( The final comment is, am I following the right direction to be able to develop something with libvirt? ^^ Ok, that's all for now, thank you A LOT for your time. Joaquim. |
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