Linux恢复删除文件神器「ext3grep」
有时候我们经常会不小心误删除Linux下的文件,那有什么办法可以恢复呢?删除文件后有点担心不能恢复,现在不用怕了,有这个工具就可以了,很好用的。
一、下载工具
# cd /usr/local/src # wget http://ext3grep.googlecode.com/files/ext3grep-0.6.0.tar.gz
1、检查安装依赖包 先检查下这三个包是否已经安装,没有的话先安装下,检查有没有安装gcc c++工具是否安装二、安装
# rpm -qa |grep e2fs e2fsprogs-devel-1.39-23.el5 e2fsprogs-libs-1.39-23.el5 e2fsprogs-1.39-23.el5 # yum install c++* -y
# cd /usr/local/src # tar xzvf ext3grep-0.6.0.tar.gz # cd ext3grep-0.6.0 # ./configure && make && make install
编译安装完成后就可以使用这个工具了三、测试
# ext3grep -v Running ext3grep version 0.6.0 ext3grep v0.10.1, Copyright (C) 2008 Carlo Wood. ext3grep comes with ABSOLUTELY NO WARRANTY; This program is free software; your freedom to use, change and distribute this program is protected by the GPL.下面测试下恢复效果
# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda5 47G 2.3G 43G 6% / /dev/sda3 487M 11M 451M 3% /home /dev/sda1 190M 12M 169M 7% /boot /dev/sdb9 100G 0 100G 0% /mnt使用/dev/sdb9来做测试
# cd /mnt # cp /etc/dhcp6c.conf . # cp -r /etc/yum.repos.d . # ll total 14 -rw-r--r-- 1 root root 178 Jan 22 23:58 dhcp6c.conf drwx------ 2 root root 12288 Jan 22 22:52 lost+found drw-r--r-- 1 root root 346 Jan 22 23:59 yum.repos.d # rm -rf * # ls # * 现在将 /mnt下的东西都删掉了进行恢复 1、执行这条命令查看删除的所有文件
# ext3grep /dev/sdb9 --ls --inode 22、恢复单个文件
# ext3grep /dev/sdb9 --restore-file dhcp6c.conf Running ext3grep version 0.6.0 Number of groups: 13 Minimum / maximum journal block: 526 / 4640 Loading journal descriptors... sorting... done N umber of descriptors in journal: 828; min / max sequence numbers: 2 / 4 Loading sdb9.ext3grep.stage2.... done Restoring dhcp6c.conf3、恢复的文件放在RESTORED_FILES目录
# cd RESTORED_FILES/ # ls dhcp6c.conf4、恢复所有文件
# ext3grep /dev/sdb9 --restore-all编辑恢复的文件
[root@test RESTORED_FILES]# vi dhcp6c.conf
#
# See dhcp6c.conf(5) man page for details.
#
#interface eth0 {
# #information-only;
# send rapid-commit;
# request prefix-delegation;
# #request temp-address;
#};