CentOS6.4安装XEN4.2.4及系统安装详细配置
2014-08-09 13:18
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#台式机硬件说明 cpu i3-4130 内存 4G 硬盘1T #vmware，virtualbox安装 http://bbotte.blog.51cto.com/6205307/1539484 # cat /etc/centos-release CentOS release 6.4 (Final) # uname -a #这里是安装好的kernel，所以不是2.6.32 此内核版本属于长期维护版 Linux localhost.localdomain 3.14.16-1.el6xen.x86_64 #1 SMP Fri Aug 8 16:33:18 EST 2014 x86_64 x86_64 x86_64 GNU/Linux安装Xen：
SELINUX=disabled #关闭selinux
yum install bridge-utils yum install -y http://au1.mirror.crc.id.au/repo/kernel-xen-release-6-5.noarch.rpm yum install -y xen rpm -e xorg-x11-drv-ati-firmware-6.99.99-1.el6.noarch #没有卸载的话会因为冲突而提示错误 yum install kernel-xen安装过程虽然只是上面几步，不过安装过程中安装哪些包还是要留意一下
grub自动修改好了的
grep -v ^\# /boot/grub/grub.conf
default=0
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title CentOS (3.14.16-1.el6xen.x86_64)
root (hd0,0)
kernel /xen.gz dom0_mem=1024M cpufreq=xen dom0_max_vcpus=1 dom0_vcpus_pin
module /vmlinuz-3.14.16-1.el6xen.x86_64 ro root=UUID=39d75778-b819-4ea3-a42b-fc08cbc2a73e rd_NO_LUKS rd_NO_LVM LANG=en_US.UTF-8 rd_NO_MD SYSFONT=latarcyrheb-sun16 crashkernel=auto KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM rhgb quiet
module /initramfs-3.14.16-1.el6xen.x86_64.img
title CentOS (2.6.32-358.el6.x86_64)
root (hd0,0)
kernel /vmlinuz-2.6.32-358.el6.x86_64 ro root=UUID=39d75778-b819-4ea3-a42b-fc08cbc2a73e rd_NO_LUKS rd_NO_LVM LANG=en_US.UTF-8 rd_NO_MD SYSFONT=latarcyrheb-sun16 crashkernel=auto KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM rhgb quiet
initrd /initramfs-2.6.32-358.el6.x86_64.img
chkconfig xend on reboot
# service xend start # xm list Name ID Mem VCPUs State Time(s) Domain-0 0 1024 1 r----- 82.7
# xm info host : localhost.localdomain release : 3.14.16-1.el6xen.x86_64 version : #1 SMP Fri Aug 8 16:33:18 EST 2014 machine : x86_64 nr_cpus : 4 nr_nodes : 1 cores_per_socket : 2 threads_per_core : 2 cpu_mhz : 3392 hw_caps : bfebfbff:2c100800:00000000:00007f40:77dafbbf:00000000:00000021:000027ab virt_caps : hvm total_memory : 4012 free_memory : 2937 free_cpus : 0 xen_major : 4 xen_minor : 2 xen_extra : .4 xen_caps : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64 xen_scheduler : credit xen_pagesize : 4096 platform_params : virt_start=0xffff800000000000 xen_changeset : unavailable xen_commandline : dom0_mem=1024M cpufreq=xen dom0_max_vcpus=1 dom0_vcpus_pin cc_compiler : gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-4) cc_compile_by : mockbuild cc_compile_domain : crc.id.au cc_compile_date : Wed Jun 18 01:34:43 EST 2014 xend_config_format : 4
安装guest：
yum install gcc gcc-c++ vim wget lrzsz ntpdate sysstat dstat wget man unzip -y #安装常用包
mkdir /data
cd /data/ 用xshell的Xftp把iso上传过来（大于4G用Xftp，小于4G可以用lrzsz）
mount -o loop -t iso9660 /data/CentOS-6.5-x86_64-bin-DVD1.iso /mnt
配置网卡：
cp /etc/sysconfig/network-scripts/ifcfg-p3p1 /etc/sysconfig/network-scripts/ifcfg-br0
# cat /etc/sysconfig/network-scripts/ifcfg-p3p1 DEVICE=p3p1 TYPE=Ethernet UUID=875acb88-19d4-457f-967f-5979f39930bf ONBOOT=yes NM_CONTROLLED=yes BOOTPROTO=none HWADDR=C8:1F:66:44:09:EB #IPADDR=192.168.22.209 #PREFIX=24 #GATEWAY=192.168.22.253 DNS1=114.114.114.114 DOMAIN=114.114.114.114 DEFROUTE=yes IPV4_FAILURE_FATAL=yes IPV6INIT=no NAME="System p3p1" BRIDGE=br0
# cat /etc/sysconfig/network-scripts/ifcfg-br0 DEVICE=br0 TYPE=Bridge ONBOOT=yes NM_CONTROLLED=yes BOOTPROTO=none IPADDR=192.168.22.209 PREFIX=24 GATEWAY=192.168.22.253 DNS1=114.114.114.114 DOMAIN=114.114.114.114 DEFROUTE=yes IPV4_FAILURE_FATAL=yes IPV6INIT=no NAME="System br0"
创建guest配置文件并开始安装
# service network restart Shutting down interface p3p1: bridge br0 does not exist! [ OK ] Shutting down loopback interface: [ OK ] Bringing up loopback interface: [ OK ] Bringing up interface p3p1: [ OK ] Bringing up interface br0: [ OK ] # brctl show bridge name bridge id STP enabled interfaces br0 8000.c81f664409eb no p3p1 cd /data #创建磁盘文件 # qemu-img create -f raw centos65.img 40G Formatting 'centos65.img', fmt=raw size=42949672960 # qemu-img create -f raw centos65.swp 512M Formatting 'centos65.swp', fmt=raw size=536870912 # cp /mnt/isolinux/initrd.img /data/ # cp /mnt/isolinux/vmlinuz /data/ # vim centos65 #编辑配置文件 kernel = "/data/vmlinuz" ramdisk = "/data/initrd.img" name = "centos1" memory = "1024" disk = [ "file:/data/centos65.img,xvda,w","file:/data/centos65.swp,xvdb,w" ] vif = [ "bridge=br0" ] vcpus = 2 on_reboot = "destroy" on_crash = "destroy" cp -r /mnt/ /data/centosiso yum install httpd vim /etc/httpd/conf/httpd.conf #修改292,318两行即可 292 DocumentRoot "/data/centosiso" 293 #DocumentRoot "/var/www/html" 318 <Directory "/data/centosiso"> 319 #<Directory "/var/www/html"> vim /etc/httpd/conf.d/welcome.conf #修改第8行，-改为+ 8 Options +Indexes service httpd start 修改这个文件，需要强制保存 wq！ vim /root/centos/.treeinfo [images-x86_64] initrd = images/pxeboot/initrd.img [images-x86_64] kernel = isolinux/vmlinuz initrd = isolinux/initrd.img vim /etc/sysconfig/iptables #开启80端口，添加一行 -A INPUT -m state --state NEW -m tcp -p tcp --dport 80 -j ACCEPT service iptables restart
# xm create centos65 -c #创建centos65虚拟机,-c 参数直接console DomU Using config file "./centos65". Started domain centos1 (id=3) # xm console centos1 #连接，开始安装系统 ┌────────┤ Choose a Language ├────────┐ │ │ │ What language would you like to use │ │ during the installation process? │ │ │ │ Catalan ↑ │ │ Chinese(Simplified) │ │ Chinese(Traditional) │ │ Croatian │ │ Czech │ │ Danish │ │ Dutch │ │ English ↓ │ │ │ │ ┌────┐ │ │ │ OK │ │ │ └────┘ │ │ │ # 到下面大家应该知道怎么操作了，选择URL ┌───┤ Installation Method ├───┐ │ │ │ What type of media contains │ │ the installation image? │ │ │ │ Local CD/DVD │ │ Hard drive │ │ NFS directoryy │ │ URL │ │ │ │ ┌────┐ ┌──────┐ │ │ │ OK │ │ Back │ │ │ └────┘ └──────┘ 接下来一步配置ip地址，xen的ip是192.168.22.209 ───. │ Please enter the URL containing the CentOS │ │ installation image on your server. │ │ │ │http://192.168.22.209________________________________________ │ │ │ │ [ ] Enable HTTP proxy │────│. │ │ Proxy URL ___________________________________ │ │ Username _______________ │ │ │────│ Password.────_______________ │ │ │ │ ┌────┐ ┌──────┐ │ │ │ OK │ │ Back │ │ │ └────┘ └──────┘ 下一步开启vnc "Start VNC"，（其实字符界面也可以，至少速度快）步骤可以参考我博客KVM里面系统安装的操作
这里一步步 安装后，重启的时候会关机（因为配置文件 on_reboot = "destroy"）
现在修改配置文件
# cat centos65 #kernel = "/data/vmlinuz" #ramdisk = "/data/initrd.img" name = "centos1" memory = "1024" disk = [ "file:/data/centos65.img,xvda,w","file:/data/centos65.swp,xvdb,w" ] vif = [ "bridge=br0" ] #bootloader = "/usr/bin/pygrub" vcpus = 2 on_reboot = "restart" on_crash = "destroy"
# xm create centos65 Using config file "./centos65". Started domain centos1 (id=8) # xm list Name ID Mem VCPUs State Time(s) Domain-0 0 1024 1 r----- 496.5 centos1 8 1024 2 r----- 2.9
# xm console centos1 root Password: Last login: Sat Aug 9 15:59:32 on hvc0 [root@localhost ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/xvda2 40G 3.8G 34G 11% / tmpfs 497M 0 497M 0% /dev/shm /dev/xvda1 194M 30M 155M 16% /boot查看现在的状态
# xm list Name ID Mem VCPUs State Time(s) Domain-0 0 1024 1 r----- 500.2 centos1 8 1024 2 -b---- 6.5
xm list #查看已有guest
xm destroy centos1 #停止
xm shutdown centos1 #关闭电源
xm start centos1 #启动
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