UCloner (原名 Ubuntu-cloner ) 是针对 Ubuntu编写的一个系统备份、恢复、克隆工具，使用UCloner可以将 ubuntu 系统备份为 squashfs 映像文件，也可从映像文件中恢复系统。具体方法如下：
备份：
UCloner 备份时可以使用图形界面或命令行，这里介绍图形界面，下载UCloner后解压，双击UCloner_CN文件，要求管理员密码。
《图片》
备份前用清理工具先清理缓存和无效的配置文件，备份时软件会首先剔除一些常用的挂载点文件夹，还可以手动增加需要排除的文件夹，建议将常用的比如说存放电影，文档的文件夹排除，（或者将这些文件夹单独存放到移动硬盘里进行备份）这里由软件自动选取的文件或文件夹是不可以取消的。比如说我手动排除了用户文件夹里的软件，文档等文件夹，但是没有排除各种软件的配置文件夹（就是文件夹名前有“.”的，在用户文件夹里按Ctrl+h就可以看到），这样恢复时软件设置仍然不变，而文档存到移动硬盘里备份使用时也更方便些。
全部选定后可以用“估算体积”功能先估算squashfs文件大小，点击开始备份，我遇到的一个问题是squashfs文件体积会膨胀，目前不知原因，我估算体积位23.3G但实际备份达到了54.5G，大概半个小时时间，看个人的情况。
恢复：
使用UCloner必须要将备份文件放到另一块硬盘里，一般使用移动硬盘，然后是一个Live CD或usb启动盘，最好是与源系统同版本的，比如ubuntu10.04.2 64位版，否则根据软件说明的会出现不可知问题。将UCloner放到U盘中，由u盘启动，使用图形界面，各种参数介绍非常详细。
ubuntu@ubuntu:~/Desktop/UCloner-10.10.1/program$ sudo ./ucloner_cmd.py mode=restore lang=cn restore_from=/media/移动硬盘/备份文件夹/2011-04-07_部分备份2.squashfs /=/dev/sda2 /_fs=ext4 /home=/dev/sda6 /home_fs=current /boot=/dev/sda1 /boot_fs=ext4 /usr=/dev/sda5 /usr_fs=ext4 grubdev=/dev/sda swap=/dev/sda7
/tmp/UCloner-source has been made.
/media/移动硬盘/备份文件夹/2011-04-07_部分备份2.squashfs has been mounted to /tmp/UCloner-source.
/dev/sda2 will be formated as ext4 (All data in it will be destroyed!) and mounted to /
/dev/sda1 will be formated as ext4 (All data in it will be destroyed!) and mounted to /boot
/dev/sda6 will use current filesystem, and be mounted to /home
/dev/sda5 will be formated as ext4 (All data in it will be destroyed!) and mounted to /usr
/dev/sda7 will be used as swap (All data in it will be destroyed!)
Grub2 will be installed to /dev/sda
continue ? (y|n)
**********
```````
```````
```````
var/lib/gconf/defaults/%gconf-tree-mk.xml
var/lib/gconf/defaults/%gconf-tree-ml.xml
var/lib/gconf/defaults/%gconf-tree-mr.xml
var/lib/gconf/defaults/%gconf-tree-nb.xml
var/lib/gconf/defaults/%gconf-tree-nl.xml
var/lib/gconf/defaults/%gconf-tree-nn.xml
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var/lib/gconf/defaults/%gconf-tree-ro.xml
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var/lib/gconf/defaults/%gconf-tree-sr.xml
var/lib/gconf/defaults/%gconf-tree-sr@latin.xml
var/lib/gconf/defaults/%gconf-tree-sv.xml
var/lib/gconf/defaults/%gconf-tree-ta.xml
var/lib/gconf/defaults/%gconf-tree-te.xml
var/lib/gconf/defaults/%gconf-tree-th.xml
var/lib/gconf/defaults/%gconf-tree-tl.xml
var/lib/gconf/defaults/%gconf-tree-tr.xml
var/lib/gconf/defaults/%gconf-tree-uk.xml
var/lib/gconf/defaults/%gconf-tree-vi.xml
var/lib/gconf/defaults/%gconf-tree-zh_CN.xml
var/lib/gconf/defaults/%gconf-tree-zh_HK.xml
var/lib/gconf/defaults/%gconf-tree-zh_TW.xml
var/lib/gconf/defaults/%gconf-tree.xml
var/lib/gdm/
var/lib/gdm/.ICEauthority
var/lib/gdm/.esd_auth
var/lib/gdm/.gconf.path
var/lib/gdm/.pulse-cookie
var/lib/gdm/.cache/
var/lib/gdm/.cache/event-sound-cache.tdb.455e81b9f7a6c6fc5119f3784d917cce.x86_64-pc-linux-gnu
var/lib/gdm/.cache/login_frequency.cache
var/lib/gdm/.config/
var/lib/gdm/.config/ibus/
var/lib/gdm/.config/ibus/bus/
var/lib/gdm/.dbus/
var/lib/gdm/.dbus/session-bus/
var/lib/gdm/.dbus/session-bus/455e81b9f7a6c6fc5119f3784d917cce-0
var/lib/gdm/.gconf.defaults/
var/lib/gdm/.gconf.defaults/%gconf-tree.xml
var/lib/gdm/.gconf.mandatory/
var/lib/gdm/.gconf.mandatory/%gconf-tree.xml
var/lib/gdm/.gconf/
var/lib/gdm/.gconf/apps/
var/lib/gdm/.gconf/apps/%gconf.xml
var/lib/gdm/.gconf/apps/gdm/
var/lib/gdm/.gconf/apps/gdm/%gconf.xml
var/lib/gdm/.gconf/apps/gdm/simple-greeter/
var/lib/gdm/.gconf/apps/gdm/simple-greeter/%gconf.xml
var/lib/gdm/.gconfd/
var/lib/gdm/.gconfd/saved_state
var/lib/gdm/.pulse/
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var/lib/gdm/.pulse/455e81b9f7a6c6fc5119f3784d917cce-default-sink
var/lib/gdm/.pulse/455e81b9f7a6c6fc5119f3784d917cce-default-source
var/lib/gdm/.pulse/455e81b9f7a6c6fc5119f3784d917cce-device-volumes.tdb
var/lib/gdm/.pulse/455e81b9f7a6c6fc5119f3784d917cce-runtime -> /tmp/pulse-PKdhtXMmr18n
var/lib/gdm/.pulse/455e81b9f7a6c6fc5119f3784d917cce-stream-volumes.tdb
var/lib/hal/
var/lib/hp/
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var/lib/initscripts/
var/lib/insserv/
var/lib/libreoffice/
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var/lib/libreoffice/basis3.3/share/
var/lib/libreoffice/basis3.3/share/config/
var/lib/libreoffice/basis3.3/share/config/Javasettingsunopkginstall.xml
var/lib/libreoffice/share/
var/lib/libreoffice/share/prereg/
var/lib/libreoffice/share/prereg/bundled/
var/lib/libuuid/
var/lib/libxml-sax-perl/
var/lib/libxml-sax-perl/ParserDetails.d/
var/lib/libxml-sax-perl/ParserDetails.d/10-XML::SAX::PurePerl
var/lib/libxml-sax-perl/ParserDetails.d/50-XML::LibXML::SAX
var/lib/libxml-sax-perl/ParserDetails.d/50-XML::LibXML::SAX::Parser
var/lib/libxml-sax-perl/ParserDetails.d/50-XML::SAX::Expat
var/lib/locales/
var/lib/locales/supported.d/
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var/lib/locales/supported.d/local
var/lib/locales/supported.d/zh-hans
var/lib/logrotate/
var/lib/logrotate/status
var/lib/misc/
var/lib/misc/dnsmasq.leases
var/lib/misc/usb.ids -> ../usbutils/usb.ids
var/lib/mlocate/
var/lib/mlocate/mlocate.db
var/lib/mplayer/
var/lib/mplayer/prefs/
var/lib/mplayer/prefs/MD5SUMS
var/lib/mplayer/prefs/codecs_list
var/lib/mplayer/prefs/mirrors
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var/lib/msttcorefonts/cabfiles.sha256sums
var/lib/msttcorefonts/ms-fonts
var/lib/ntpdate/
var/lib/ocaml/
var/lib/ocaml/lintian/
var/lib/ocaml/lintian/camlp4.info
var/lib/ocaml/lintian/ocaml-nox.info
var/lib/ocaml/lintian/ocaml.info
var/lib/ocaml/md5sums/
var/lib/ocaml/md5sums/camlp4.md5sums
var/lib/ocaml/md5sums/ocaml-nox.md5sums
var/lib/ocaml/md5sums/ocaml.md5sums
var/lib/os-prober/
var/lib/pam/
var/lib/pam/account
var/lib/pam/auth
var/lib/pam/password
var/lib/pam/seen
var/lib/pam/session
var/lib/pam/session-noninteractive
var/lib/plymouth/
var/lib/plymouth/boot-duration
var/lib/polkit-1/
var/lib/polkit-1/localauthority/
var/lib/polkit-1/localauthority/10-vendor.d/
var/lib/polkit-1/localauthority/10-vendor.d/com.ubuntu.desktop.pkla
var/lib/polkit-1/localauthority/20-org.d/
var/lib/polkit-1/localauthority/30-site.d/
var/lib/polkit-1/localauthority/50-local.d/
var/lib/polkit-1/localauthority/90-mandatory.d/
var/lib/pulseaudio/
var/lib/pycentral/
var/lib/pycentral/pkgremove
var/lib/samba/
var/lib/security/
var/lib/security/classpath.security
var/lib/sgml-base/
var/lib/snmp/
var/lib/synaptic/
var/lib/ubiquity/
var/lib/ubiquity/os-prober-cache
var/lib/ucf/
var/lib/ucf/hashfile
var/lib/ucf/hashfile.0
var/lib/ucf/hashfile.1
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var/lib/ucf/registry
var/lib/ucf/registry.0
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var/lib/ucf/cache/:etc:gns3:gns3.ini
var/lib/ucf/cache/:etc:papersize
var/lib/ucf/cache/:etc:perl:XML:SAX:ParserDetails.ini
var/lib/ucf/cache/:etc:rsyslog.d:50-default.conf
var/lib/ucf/cache/:etc:samba:smb.conf
var/lib/ucf/cache/:etc:ufw:after.rules
var/lib/ucf/cache/:etc:ufw:after6.rules
var/lib/ucf/cache/:etc:ufw:before.rules
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var/lib/update-rc.d/urandom
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var/log/mail.warn
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var/log/pm-powersave.log
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var/log/syslog.4.gz
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var/log/ufw.log
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var/log/vbox-install.log
var/log/wtmp
var/log/wtmp.1.gz
var/log/ConsoleKit/
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var/log/ConsoleKit/history.1
var/log/apparmor/
var/log/apt/
var/log/apt/history.log
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var/log/apt/term.log
var/log/apt/term.log.1.gz
var/log/cups/
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var/log/cups/error_log
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var/log/cups/error_log.2.gz
var/log/cups/error_log.3.gz
var/log/cups/error_log.4.gz
var/log/cups/error_log.5.gz
var/log/cups/error_log.6.gz
var/log/cups/error_log.7.gz
var/log/dist-upgrade/
var/log/fsck/
var/log/fsck/checkfs
var/log/fsck/checkroot
var/log/gdm/
var/log/gdm/:0-greeter.log
var/log/gdm/:0-slave.log
var/log/gdm/:0-slave.log.1
var/log/gdm/:0-slave.log.2
var/log/gdm/:0-slave.log.3
var/log/gdm/:0-slave.log.4
var/log/gdm/:0.log
var/log/gdm/:0.log.1
var/log/gdm/:0.log.2
var/log/gdm/:0.log.3
var/log/gdm/:0.log.4
var/log/installer/
var/log/installer/casper.log
var/log/installer/debug
var/log/installer/initial-status.gz
var/log/installer/media-info
var/log/installer/partman
var/log/installer/syslog
var/log/installer/version
var/log/news/
var/log/news/news.crit
var/log/news/news.err
var/log/news/news.notice
var/log/samba/
var/log/speech-dispatcher/
var/log/unattended-upgrades/
var/mail/
var/opt/
var/run/
var/run/NetworkManager.pid
var/run/acpid.pid
var/run/acpid.socket
var/run/atd.pid
var/run/console-kit-daemon.pid
var/run/crond.pid
var/run/crond.reboot
var/run/gdm.pid
var/run/network-interface-security
var/run/pppd2.tdb
var/run/rsyslogd.pid
var/run/synaptic.socket
var/run/upstart-udev-bridge.pid
var/run/utmp
var/run/ConsoleKit/
var/run/ConsoleKit/database
var/run/avahi-daemon/
var/run/avahi-daemon/pid
var/run/avahi-daemon/socket
var/run/console/
var/run/console/saker
var/run/cups/
var/run/cups/cups.sock
var/run/cups/cupsd.pid
var/run/cups/printcap
var/run/cups/certs/
var/run/cups/certs/0
var/run/dbus/
var/run/dbus/pid
var/run/dbus/system_bus_socket
var/run/gdm/
var/run/gdm/firstserver.stamp
var/run/gdm/auth-for-gdm-OOXrza/
var/run/gdm/auth-for-gdm-OOXrza/database
var/run/gdm/auth-for-saker-Fa84dC/
var/run/gdm/auth-for-saker-Fa84dC/database
var/run/network/
var/run/network/ifstate
var/run/pm-utils/
var/run/pm-utils/locks/
var/run/pm-utils/pm-powersave/
var/run/pm-utils/pm-powersave/storage/
var/run/pppconfig/
var/run/screen/
var/run/sendsigs.omit.d/
var/run/sudo/
var/run/sudo/saker/
var/run/sudo/saker/unknown
var/spool/
var/spool/mail -> ../mail
var/spool/anacron/
var/spool/anacron/cron.daily
var/spool/anacron/cron.monthly
var/spool/anacron/cron.weekly
var/spool/cron/
var/spool/cron/atjobs/
var/spool/cron/atjobs/.SEQ
var/spool/cron/atspool/
var/spool/cron/crontabs/
var/spool/cups/
var/spool/cups/tmp/
var/spool/cups/tmp/.hplip/
var/spool/cups/tmp/.hplip/hplip.conf
var/spool/libreoffice/
var/spool/libreoffice/uno_packages/
var/spool/libreoffice/uno_packages/cache/
var/spool/plymouth/
var/tmp/
sent 8524755020 bytes received 2328270 bytes 32117074.54 bytes/sec
total size is 65486544611 speedup is 7.68