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1608 discussions

Problem with foreign-language keyboard
by James Wilde 18 Dec '07

18 Dec '07

I am testing Xen on a Centos5 machine. On this machine, the locale is en_US.UTF-8 and the keyboard is Sweden. Everything works fine. I have created a guest operating system (I'm using vmware terminology, as I am still confused about DomU and Dom0). The guest is also Centos5. According to the configuration files, the locale on the guest is also en_US.UTF-8 and the keyboard Sweden. However, in the guest, only the alphanumeric keys (a-z, 0-9) work as intended. The numeric keyboard does not appear to work at all. And the non-alphanumeric keys on the alpha keyboard do not produce the symbols they should provided with the Swedish keyboard. There is no key, for example, which produces the hyphen, which means that it is impossible to enter a parameter to a command, such as ls -la. I wonder if anyone else has had a similar difficulty and found a solution. It doesn't have to be a solution for the Swedish keyboard. Just a pointer or hint would be appreciated. I'm not too familiar with Centos, which I installed on this test machine because of other dependencies, as we are a Solaris shop and my personal workstation is Ubuntu. Thanks in advance for any help. //James

5 5

Problems booting DomU on CentOS 5.1
by Maurício Luís Wecker - SouthTech Super Datacenter 14 Dec '07

14 Dec '07

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Re: VMware tools in standard CentOS [ was Re: www.centos.org - Contact the CentOS Development Team Form ]
by Andrew Sharpe 12 Dec '07

12 Dec '07

[ Sorry for the very belated response ] Thanks, Tru. What is the process for Sean's work to make it into the standard CentOS5 and 5.1 repositories? How will the tools package get updated as you patch the kernel? Perhaps we should cc Sean on the email? His home page on the Duke server has no contact information. Thanks, Andrew [ Resent to the centos-virt email list, as recommended by Karanbir Singh ] On 11/16/2007 12:30 PM, Tru Huynh wrote: > On Fri, Nov 16, 2007 at 11:05:05AM -0800, Andrew Sharpe wrote: >> Hi Johnny, >> >> Eventually, we'd like to see a "virtual appliance" install profile in >> CentOS. This install profile would install a small subset of the >> CentOS server packages, and ideally install a reduced-footprint kernel >> that only had drivers installed for the hardware platform presented by >> the VMware Infrastructure, include paravirt support for CPU and I/O, >> and include the VMware tools drivers, commands and daemons. >> > That could probably be provided by a special repository without too much hassle. > > Someone has already been working on it: > http://www.duke.edu/~sean/rpms/open-vm-tools/ > from http://open-vm-tools.wiki.sourceforge.net/Distro+Package+Status > > mostof the work seems to be in the install process (at least from the few threads > I have been reading) > http://sourceforge.net/mailarchive/forum.php?thread_name=f89c49a90710300702… > >> Has someone else from VMware previously contacted you about this type >> of cooperation and support? If so, I'll be glad to touch base with >> them, and if not, I'll be happy to get you connected to the right >> folks around here to make this happen. > > keep us posted, > > Cheers, > > Tru

2 1

i386 VM on x86_64 host in Xen
by Karanbir Singh 11 Dec '07

11 Dec '07

hi, Just wondering if people had started using i386 Xen DomU's on a x86_64 dom0 machine with 5.1 as yet ? And just wondering what their experiences have been. -- Karanbir Singh : http://www.karan.org/ : 2522219@icq

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Network Problem after update 3.0 -> 3.1: blkback
by kfx 11 Dec '07

11 Dec '07

Hello, I have a big problem: Dom0 is centos5.1, domU are centos5.1. My setup is really simple, the only thing is that I give 3 nics to the domU so I use a modified network script (which has worked since january... since fedora 6): " #!/bin/sh dir=$(dirname "$0") "$dir/network-bridge" "$@" vifnum=0 "$dir/network-bridge" "$@" vifnum=1 "$dir/network-bridge" "$@" vifnum=2 " So I have updated my xen dom0 from 3.0.3-rc5-8.1.15.el5 to 3.1.0-53.1.4.el5 (and kernel-xen 2.6.18-8.1.15.el5xen to 2.6.18-53.1.4.el5xen) and now my domU cant access the network. The interfaces are good in the domU, all seems to be ok but there are no connectivity at all (no arp entries). This message shows up on the dom0 each time I launch a domU: blkback: ring-ref 9, event-channel 7, protocol 1 (x86_64-abi) Do someone know what is happening ? this is very embarrassing after a simple upgrade... Hopefully I have another identical server (Centos 5.0 with 5.1 domUs) which is still in 3.0 but I cant stay not updated. Thanks for any help. xm info: host : host.foo.com release : 2.6.18-53.1.4.el5xen version : #1 SMP Fri Nov 30 01:21:23 EST 2007 machine : x86_64 nr_cpus : 4 nr_nodes : 1 sockets_per_node : 2 cores_per_socket : 1 threads_per_core : 2 cpu_mhz : 2992 hw_caps : bfebfbff:20100800:00000000:00000180:0000641d total_memory : 4095 free_memory : 3246 xen_major : 3 xen_minor : 1 xen_extra : .0-53.1.4.el5 xen_caps : xen-3.0-x86_64 xen-3.0-x86_32p xen_pagesize : 4096 platform_params : virt_start=0xffff800000000000 xen_changeset : unavailable cc_compiler : gcc version 4.1.2 20070626 (Red Hat 4.1.2-14) cc_compile_by : mockbuild cc_compile_domain : cc_compile_date : Fri Nov 30 00:37:12 EST 2007 xend_config_format : 2

2 1

Xen not applying custom network script on startup
by Timothy Selivanow 10 Dec '07

10 Dec '07

I'm seeing an issue with xend not running a custom network script automatically, but works when I run it manually. In /etc/xen/xend-config.sxp I've changed: (network-script network-bridge) TO: (network-script network-custom) Here is /etc/xen/scripts/network-custom: # !/bin/bash # network-custom script=/etc/xen/scripts/network-bridge case $1 in start) $script start vifnum=0 bridge=xenbr0 netdev=eth0 $script start vifnum=1 bridge=xenbr1 netdev=dummy0 $script start vifnum=2 bridge=xenbr2 netdev=dummy1 ;; stop) $script stop vifnum=0 bridge=xenbr0 netdev=eth0 $script stop vifnum=1 bridge=xenbr1 netdev=dummy0 $script stop vifnum=2 bridge=xenbr2 netdev=dummy1 ;; status) $script status ;; *) echo 'Unknown command: ' $1 echo 'Valid commands are: start, stop, status' exit 1 ;; esac What am I missing? I'd like the guests to auto-start when the host starts, but this is preventing that. --Tim __________________________________________________________________________ / I never thought that I'd see the day where Netscape is free software and \ | X11 is proprietary. We live in interesting times. | \ -- Matt Kimball / -------------------------------------------------------------------------- \ \ \ \ /\ ( ) .( o ).

2 2

Move existing CentOS 4.5 to Xen DomU on CentOS 5
by Hristo Benev 04 Dec '07

04 Dec '07

Is there a procedure/howto to follow when moving from existing HW to virtual machine. I found: http://wiki.centos.org/HowTos/Xen/MoveNative2DomU but it seems little bit complex for me(but not impossible). Is there a tool that does the migration (XenOptimizer should do it???) When searching I find only commercial tools... ----------------------------------------------------------------- Спечели със снимки на най-лудия фен на Rihanna! vivarihanna.zoom.bg

2 1

Re: [CentOS-virt] xen dom0/domU network speedyRyr
by Michael Will 25 Nov '07

25 Nov '07

Sent from my GoodLink synchronized handheld (www.good.com) -----Original Message----- From: Nicolas Sahlqvist [mailto:nicco77@gmail.com] Sent: Friday, November 23, 2007 05:10 AM Pacific Standard Time To: Discussion about the virtualization on CentOS Subject: Re: [CentOS-virt] xen dom0/domU network speed I have not had the opportunity to test, but it sounds like expected behavior due how I/O is handled within Xen. It's a know fact that disc I/O is slow so I would expect the same for network I/O. - Nicolas On Nov 23, 2007 2:02 PM, David Kostal <david.kostal(a)gmail.com> wrote: > Hi all, > I have problem reaching 1Gbps network speed with dom0 / domU > (paravirtualized) on my centos5 installations. > > The fastest speed I measured in domU was about 800/600 > receive/transmit Mbps, dom0 being a bit slower. I'm using bridging > (eeither with default xen/centos network-bridge script or with my own > scripts assigning vlans to bridges). > > Is anyone experiencing same network slowdown? > Or could it be just some configuration issue on my side? > > Thanks, > > david.kostal(a)gmail.com > ----+ > _______________________________________________ > CentOS-virt mailing list > CentOS-virt(a)centos.org > http://lists.centos.org/mailman/listinfo/centos-virt > _______________________________________________ CentOS-virt mailing list CentOS-virt(a)centos.org http://lists.centos.org/mailman/listinfo/centos-virt

1 0

Is anyone already working on RPMs for VirtualBox OSE?
by Greg Bailey 13 Nov '07

13 Nov '07

I have some RPMs I've made of innotek's VirtualBox OSE (Open Source Edition) for both CentOS 4 and CentOS 5 (i386). These RPMs include the dkms support for the kernel driver, etc. I have a couple of subtle things to fix in the RPMs (like setting the permissions on udev devices, etc.) but they're already usable. Before I spend more time on it, and submit it for inclusion in the "testing" repo, I thought I'd ask here if someone was already working on doing this. thanks! Greg Bailey gbailey(a)lxpro.com

3 6

Virtual Box Host Networking problems
by Todd and Margo Chester 12 Nov '07

12 Nov '07

Dear Centos-Virt: This is actually a second request for help on the same issue. I finally got to try what several months ago was replayed to me and no joy was to be had. I am afraid the original thread got stale and also had extra, unnecessary data in it. Guest=XP Pro, SP2 Host=CentOS5; # uname -r; 2.6.18-8.1.15.el5 VirtualBox-1.5.0_24069_rhel5-2.i586.rpm http://www.virtualbox.org/download/1.5.0/VirtualBox-1.5.0_24069_rhel5-1.i58… I have two nic: eth0 is the internal network; eth1 connects to a DSL modem. I also have a fully functioning DHCP server on eth0 (works perfectly with Parallels for Linux). The directions (from hell): http://www.virtualbox.org/download/UserManual.pdf I am trying to set up a "host interface" network between my XP guest and my Linux host (eth0). I do believe I don't have a clue as to how to set up a bridge on eth0. Here is what I have so far: ~~~~~~~~~~~~~~~~~ ifcfg-br0: DEVICE=br0 TYPE=Bridge BOOTPROTO=static BROADCAST=192.168.255.255 IPADDR=192.168.255.10 NETMASK=255.255.255.0 NETWORK=192.168.255.0 GATEWAY=192.168.255.10 ONBOOT=yes USERCTL=yes IPV6INIT=no PEERDNS=no ~~~~~~~~~~~~~~~~~ ifcfg-eth0: DEVICE=eth0 TYPE=Ethernet BOOTPROTO=static BROADCAST=192.168.255.255 IPADDR=192.168.255.12 NETMASK=255.255.255.0 NETWORK=192.168.255.0 GATEWAY=192.168.255.10 ONBOOT=yes USERCTL=yes IPV6INIT=no PEERDNS=no BRIDGE=br0 ~~~~~~~~~~~~~~~~~ ifcfg-vbox0: DEVICE=vbox0 TYPE=Ethernet BOOTPROTO=static BROADCAST=192.168.255.255 IPADDR=192.168.255.14 NETMASK=255.255.255.0 NETWORK=192.168.255.0 GATEWAY=192.168.255.10 ONBOOT=yes USERCTL=yes IPV6INIT=no PEERDNS=no BRIDGE=br0 When I fire up Virtual Box, my DCHP server offers it an IP, but I do not see the RX light flashing on my XP monitor icon in the far right of the status bar. VB doesn't get an IP. If I configure the VB NIC with a static address (I tried 192.168.255.20), again no receive light and the network won't work. Also, I have to "ifdown eth1" and "ifup eth1" to get the "G" (gateway) to show up on "netstat -rn". Otherwise, no surfing the net with Firefox (Linux version). Weird. I am so very confused. Can someone tell me what I am doing wrong? Many thanks, -T

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