카테고리: Linux

gdeploy를 이용한 glusterfs install

gdeploy를 이용해서 glsuterfs 설치를 해봤다. 좀 삽질하면서 써봤는데 잘 만들어 둔것 같다. 사용법을 좀 알아보면… [<section>[number]] 을 지정하고 원하는 option들을 넣어 준다. 이때 중복되는 section은 뒤에 숫자를 붙여준다. ### 사용할 hosts의 list이다. ip addres나 hostname을 넣는다. ### [hosts] rhgs1.test.dom rhgs2.test.dom rhgs3.test.dom rhgs4.test.dom rhgs5.test.dom rhgs6.test.dom ### hardware raid(sas controller) type이다 기본이 JBOD(raid 없음)이고 raid6, raid10을 지정 할 수 있다. ### [disktype]…

Ovirt : Convert physical/virtual systems to virtual using virt-p2v && virt-v2v then use it in ovirt DC

Here is the detailed process about virt-v2v and virt-p2v which can be used in an ovirt setup to migrate your physical and virtual systems to ovirt data center.!!! Below strings concludes about what is virt-v2v and virt-p2v, how it work, how it can be used for the conversion. It also includes how you can debug issues in this area. !!! I am sure there are many sysadmins who…

virt-v2v – Convert a guest to use KVM

SYNOPSIS virt-v2v -ic vpx://vcenter.example.com/Datacenter/esxi vmware_guest virt-v2v -ic vpx://vcenter.example.com/Datacenter/esxi vmware_guest \ -o rhev -os rhev.nfs:/export_domain –network rhevm virt-v2v -i libvirtxml guest-domain.xml -o local -os /var/tmp virt-v2v -i disk disk.img -o local -os /var/tmp virt-v2v -i disk disk.img -o glance virt-v2v -ic qemu:///system qemu_guest –in-place DESCRIPTION Virt-v2v converts guests from a foreign hypervisor to run on KVM. It can read Linux and…

CentOS 7 VNC 설정

1. GNOME Desktop 설치   yum groupinstall “GNOME Desktop” 2. tigervnc-server 설치 yum install tigervnc-server 3. vncserver 구설파일 설정 ( CentOS 7에서 구설파일 변화가 있다고함 )  cp /lib/systemd/system/vncserver@.service /etc/systemd/system/vncserver@:1.service 4. 구성파일 변경  vi /etc/systemd/system/vncserver@\:2.service [Unit] Description=Remote desktop service (VNC) After=syslog.target network.target [Service] Type=forking # Clean any existing files in /tmp/.X11-unix environment ExecStartPre=/bin/sh -c ‘/usr/bin/vncserver -kill %i > /dev/null 2>&1 || :’…

RHEL7: Configure a system as either an iSCSI target or initiator that persistently mounts an iSCSI target.

Presentation In the iSCSI world, you’ve got two types of agents: an iSCSI target provides some storage (here called server), an iSCSI initiator uses this available storage (here called client). As you already guessed, we are going to use two virtual machines, respectively called server and client. If necessary, the server and client virtual machines can be one and only one machine. iSCSI Target Configuration Most of the target configuration is done interactively through the targetcli command. This command uses a…

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