课程第17/18次
RH1241 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 （P442）RH1341 2 3 4 5 6 7 8 9 10 11 12 13 14 15 （P342）
RH254 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15（P435）
RHEL6和RHEL7启动过程的区别：
顺便打开vncserver：
# vncpasswd
Password:
Verify:
Would you like to enter a view-only password (y/n)? n
A view-only password is not used
# cd /etc/
# cd sysconfig
# ls
anaconda ip6tables-configntpdate saslauthd
atd iptables-config qemu-ga selinux
authconfig irqbalance radvd smartmontools
cbq kdump raid-check sshd
chronyd kernel rdisc sysstat
console ksm readonly-rootsysstat.ioconf
cpupower libvirtd rhn virtlockd
crond man-db rpcbind virtlogd
ebtables-configmodules rpc-rquotad vncservers
fcoe netconsole rsyncd wpa_supplicant
firewalld network rsyslog
grub network-scripts run-parts
init nfs samba
# vimvncservers
# vnc
vncconfigvncpasswdvncservervncviewer
# vncserver --help
usage: vncserver [:<number>] [-name <desktop-name>] [-depth <depth>]
[-geometry <width>x<height>]
[-pixelformat rgbNNN|bgrNNN]
[-fp <font-path>]
[-cc <visual>]
[-fg]
[-autokill]
[-noxstartup]
[-xstartup <file>]
<Xvnc-options>...
vncserver -kill <X-display>
vncserver -list
# vncserver :2 -depth 24-geometry2560x1900
New 'station157.example.com:2 (root)' desktop is station157.example.com:2
Starting applications specified in /root/.vnc/xstartup
Log file is /root/.vnc/station157.example.com:2.log
#
#
#
# firewall-cmd--permanent --add-port=5902
Error: INVALID_PORT: bad port (most likely missing protocol), correct syntax is portid[-portid]/protocol
# firewall-cmd--permanent --add-port=5902/tcp
success
# firewall-cmd--reload
success
# vncserver --help
usage: vncserver [:<number>] [-name <desktop-name>] [-depth <depth>]
[-geometry <width>x<height>]
[-pixelformat rgbNNN|bgrNNN]
[-fp <font-path>]
[-cc <visual>]
[-fg]
[-autokill]
[-noxstartup]
[-xstartup <file>]
<Xvnc-options>...
vncserver -kill <X-display>
vncserver -list
# vncserver -kill :2
Killing Xvnc process ID 6733
# vncserver :2 -depth 24-geometry2560x1900
New 'station157.example.com:2 (root)' desktop is station157.example.com:2
Starting applications specified in /root/.vnc/xstartup
Log file is /root/.vnc/station157.example.com:2.log
# vncpasswd
Password:
Verify:
Would you like to enter a view-only password (y/n)? n
A view-only password is not used
#
2019-08-18
完整备份虚拟机：
dd if=/dev/rhel/windowsof=/dev/rhel/windows_oribs=4Mbs的取值:
# vgdisplay /dev/rhel
--- Volume group ---
VG Name rhel
System ID
Format lvm2
Metadata Areas 3
Metadata Sequence No9
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 4
Open LV 1
Max PV 0
Cur PV 3
Act PV 3
VG Size <117.94 GiB
PE Size 4.00 MiB
Total PE 30192
Alloc PE / Size 19754 / 77.16 GiB
FreePE / Size 10438 / 40.77 GiB
VG UUID GHMwkk-kRUm-qtsh-LxAT-uGIS-ZOll-KJOELP
上图中红色的箭头天生VirtIO， 绿色的箭头应该设成VirtIO（Linux的虚拟机默认被设置成VirtIO而Windows的没有）
https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/archive-virtio/virtio-win-0.1.171-1/
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