Deep dive into Kernel

VM의 상태를 manual하게 변경하는 방법 root@controller-vm:/usr/lib/python2.7/dist-packages/nova/scheduler# nova list+--------------------------------------+------+--------+------------+-------------+-----------------------+| ID | Name | Status | Task State | Power State | Networks |+--------------------------------------+------+--------+------------+-------------+-----------------------+| a9e86572-67d2-49ba-8..

ubuntu에서 mysql-server 설치시 root 비밀번호 자동 입력 echo "mysql-server-5.5 mysql-server/root_password password root" | debconf-set-selectionsecho "mysql-server-5.5 mysql-server/root_password_again password root" | debconf-set-selectionsapt-get -y install mysql-server-5.5

deb http://192.168.2.5/ubuntu saucy main apt-get install reprepromkdir -p /var/www/ubuntu/confvi /var/www/ubuntu/conf/distributions Origin: Choonho SonLabel: OpenStackCodename: saucyArchitectures: amd64 i386Components: mainDescription: Private OpenStack Repository reprepro includedeb saucy /home/sunshout/ubuntu_repo/nova_repo_test2/*.deb

Python APIs : The best-kept secret of OpenStack http://www.ibm.com/developerworks/cloud/library/cl-openstack-pythonapis/index.html?ca=drs- import os def get_nova_creds(): d = {} d['username'] = 'admin' d['api_key'] = 'admin_pass' d['auth_url'] = 'http://192.168.1.98:5000/v2.0' d['project_id'] = 'admin' return d from novaclient import client as novaclientcreds = get_nova_creds()nova = novaclient...

호스트 머신에서 qemu image를 마운트하여 볼 때modprobe nbd max_part=63 qemu-nbd -c /dev/nbd0 image.img mount /dev/nbd0p1 /mnt/image If LVM is present on image it could be initialized with: vgscan vgchange -ay mount /dev/VolGroupName/LogVolName /mnt/imageFinishing is done with (depending on how it was initalized): umount /mnt/imagenbd-client -d /dev/nbd0 아래는 아닌듯vgchange -an VolGroupName killall qemu-nbd kpartx -..

error: Unable to add port vnet1 to OVS bridge ovsbr: Operation not permitted libvirt 에서 OVS를 사용하려고 하는데 위와 같은 에러가 발생하면, apparmor를 disable해야 함 ln -s /etc/apparmor.d/usr.sbin.libvirtd /etc/apparmor.d/disable/apparmor_parser -R /etc/apparmor.d/usr.sbin.libvirtd ㅇ 변경 내역 확인$ aa-status

1.1 IPMIOS에서 IPMI가 동작하기 위해서는 ipmi 디바이스가 존재해야 하며, ipmi 서비스가 동작 중이어야 한다. o IPMI 서비스 설치 yum install OpenIPMI OpenIPMI-tools chkconfig ipmi on service ipmi start o IPMI 사용법IPMI(Intelligent Platform Management Interface)란 지능형 플랫폼관리 인터페이스 이는 플랫폼에 대한 관리 인터페이스로 OS이전 창치들에 대한 관리 기능 apt-get install ipmitool

ㅇ ARM 프로세스 Virtualization ㅇ SPICE ㅇ Linux Desktop ㅇ KVM

따라 해보기Linux Network Kernel Maintainer인 David Miller의 GIT을 적용 소스 다운로드 (git clone)[root@tesla-xen src]#git clone git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master 소스코드의 maintainer 찾는 방법 (scripts/get_maintainer.pl) .ex) driver/net/xen-netback 의 maintainer[root@tesla-xen linux]# ./scripts/get_maintainer.pl --file drivers/net/xen-netback/Ian Campbell (supporter:XEN NETWORK BACKE..

[Abstraction]- I want to analyze network latency, between two 10Gbps L2 switch. [Method]- Using ping round trip time [Experiments]- From XenServer #1, I execute ping to XenServer #2, and UNIX #1- MTU : 9000- NIC : Intel 82599 EB- The commands are:ping 10.32.1.2 -c 600 (From XenServer #1)ping 10.32.1.231 -c 600 (From XenServer #1) [Result] - Our result shows that the network delay(round trip time..