similar to: Launch scripts after kvm guest starts and before kvm guest stops

Hi all, How can I see what vnet is attached to a certain kvm guest?? For example: I have a kvmguest1. When I launch this guest with virsh command, virsh creates a new vnetX interface for this guest. How can I extract this virtual net interface (vnet0, vnet1, vnet2 or so on) using a script?? Thanks. -- CL Martinez carlopmart {at} gmail {d0t} com

Hi all, How can I avoid sharing interrupts in a kvm guest? I have installed a debian 7 guest in a centos 6.4 host with 5 virtio vnics and 2 virtio disks and irq11 is used by eth2, eth3, eth4 and irq10 eth0, eth1 ... Is it possible to avoid this situation?? Thanks. -- CL Martinez carlopmart {at} gmail {d0t} com

Hi all, Somebody knows how can I extract/know an ip address used by a kvm guest using a script?? For example I have the following guests: [root at kvmsrv01 bin]# virsh list --all Id Name State ---------------------------------- 1 linclunode01 running 2 linmgmt running 5 win7desktop running I know that linclunode01 has 172.25.50.1 as

Hi all, I have two centos 5.4 servers that I use to run several windows kvm guests (10). All works ok (more or less) but I have a problem with backups. These windows guests are configured to use lvm partitions as a virtual disks. My problem is when I need to do guests backups. which is the best form to backup and restore these windows guests? Some examples? I see snapshot's lvm

Hi all, With the latest kvm updates, somebody have tried to install windows 2008 R2/windows 7 as a kvm guest using e1000 or virtio net driver?? Works with the windows installer?? Thanks. -- CL Martinez carlopmart {at} gmail {d0t} com

Hi all, Recentlly, I have installed a Windows 7 Enterprise kvm guest under a CentOS 5.4 kvm host (fully updated) using virtio drivers and all works ok except two things: sound and vga resolution. a) How can I increase vga resolution to 1440x900 or is not possible to configure more than 1024x768 when virt-manager is used?? b) I have assigned a sound device to this windows guest (ac97)

Hi all, I order to reach maximum performance on my centos kvm hosts I have use these params: - On /etc/grub.conf: kernel /vmlinuz-2.6.18-164.11.1.el5 ro root=LABEL=/ elevator=deadline quiet - On sysctl.conf # Special network params net.core.rmem_default = 8388608 net.core.wmem_default = 8388608 net.core.rmem_max = 16777216 net.core.wmem_max = 16777216

Buf ... Solved. Problem was that /etc/pam.d/racoon doesn't exists (I found this tip on NetBSD ipsec pages). Simply I have copied /etc/pam.d/passwd to /etc/pam.d/racoon and now all works as expected. Many thanks for your help Ross. Ross S. W. Walker wrote: > > I think it might just use another one like /etc/pam.d/remote > cause I audited the package and it wasn't there.

Sorry Dag, it is possible to use linux as a roadwarrior client: http://www.fw-1.de/aerasec/ng/vpn-racoon/CP-VPN1-NG-Linux-racoon-roadwarrior.html -------- Original Message -------- Subject: Re: [CentOS] Connecting CentOS to IPSEC VPN (Checkpoint FW1) Date: Mon, 21 Aug 2006 15:20:55 +0200 From: carlopmart <carlopmart at gmail.com> To: CentOS mailing list <centos at centos.org>

Hi all, I need to move ten CentOS/RHEL 5.4 vmware guests from a vmware ESXi 4 host to a CentOS 5.4 KVM host (fully patched). But I have two doubts. First: all these guests have two e1000 network drivers defined as a eth0,eth1 and modprobe.conf file is the same on all: alias eth0 e1000 alias eth1 e1000 alias net-pf-10 off options ipv6 disable=1 Can I change e1000 driver to

Hi all, Somebody knows how many virtio disks can be allocated for one kvm guest?? I am searching on redhat's docs about this without luck. Thanks. -- CL Martinez carlopmart {at} gmail {d0t} com

Hi all, Somebody have tried kvm under centos 5/5.1/5.2?? How stable and usable is it?? Any tip?? After redhat news about support kvm in the future I think that software will be more releveant in virtulized environments. Thanks. -- CL Martinez carlopmart {at} gmail {d0t} com

Hi all, Which will be next stable release for CentOS 5.2?? Can i use on a production enviromment?? Thanks. -- CL Martinez carlopmart {at} gmail {d0t} com

Hi all, Does usb redirection works?? I am trying to assign to a Win7 kvm guest an usb HP printer without luck ... My second attempt is to use usb redirection, but according to Redhat's docs, this option is only available for windows using RHEV ... Is this correct?? Exists another tool to assign a printer via usb to a kvm guest?? Thanks. -- CL Martinez carlopmart {at} gmail {d0t} com

Hi all, I need to launch X-Windows at runlevel 4 and 5. CentOS only start up x-windows at runlevel by default. I have modified /etc/inittab to accomplish this: x:4:respawn:/etc/X11/prefdm -nodaemon x:5:respawn:/etc/X11/prefdm -nodaemon But this returns errors every time that start and stop system ... Which is the correct form to launch x-windows under centos at different runlevels?? Many

Hi all, I need to install a virtual machine acting as a virtual storage server under CentOS 5.x (using kvm, xen, virtualbox or vmware). This virtual storage machine needs to server storage to another ESXi server and at the same time to the host where is installed. This is due to the limitations of hardware I have available. Both hosts needs to server several machines. It is very

Hi all, I am trying to enable promiscuous mode on a kvm switch due to sniff all traffic using snort installed on a kvm guest. I have found a partial solution configuring this bridge with "brctl setaging br0 0", but all vms sees all traffic. I think the soultion is using ebtables but I didn't found any doc about how can I do under kvm (and upstream recommends disable this

Hi all, Somebody have tried latest kvm release (kvm-85) under test or production environments?? I need some inputs about using kvm to deploy varios linux vm guests (centos, rhel, sles and ubuntu) and windows guests (windows 2003 and 2008) using kvm. Any special considerations?? Any tips?? Thanks. -- CL Martinez carlopmart {at} gmail {d0t} com

Hi all, I have a strange problem with qemu img disks allocated in a nfs share on a CentOS 6.4 host. Every time when I try to start a vm this error appears: char device redirected to /dev/pts/1 qemu-kvm: -drive file=/data/vmachines/win2k12adsrv/win2k12vol01.img,if=none,id=drive-virtio-disk0,format=qcow2,cache=none: could not open disk image /data/vmachines/win2k12adsrv/win2k12vol01.img:

Hi all, How can I manage automatically memory ballooning under a kvm host (C5.6 and future C6)?? For example if I define a kvm guest to boot up with 512MB of RAM and I have configured 1GB as a maximum memory for this guest, how can I allocate this memory when guest will need it?? And the opposite question, can memory balloon be deallocated?? And is it possible to do this automatically or