linux rm recover

Recover deleted files from LinuxAs a multi-user, multi-tasking Linux operating system, there will be no backup in the case of some user files mistakenly deleted, Linux files under the once deleted, it is difficult to recover. Although the delete command only deletes the file nodes, it does not really erase the contents

Tags: mount point condition EXT4 partition mount RPM-IVH next copy error message TorExperiment: In the case of partitioning, rm-rf/boot and/etc/fstab, recoveryFirst of all, we look at what is put in the/etc/fstab inside, you can see that the storage is the partition of the mount situation, delete partition will not be automatically mountedNext check/boot is stored in Linux core file/boot/vmlinuz-version-rel

is currently using a file on disk, a mount point, or even a network port, and gives detailed information about the program process. Common parameters:-m Specifies the partition or mount point to view-V lists details such as the user that the process belongs to, the process-related commands, and so on, if the parameter is not used, only the PID is listed-U lists the users that the process belongs to- K sends the KILL-9 signal to the end of the process associated with the current directory or mo

How to recover the solution after the Linux environment variable is set incorrectly: Enter on the command line: Export Path=/usr/bin:/usr/sbin:/bin:/sbin:/usr/x11r6/bin and enter/etc/profile: This file sets the environment information for each user of the system, and the file is executed the first time the user logs on. and collects the shell settings from the configuration file of the/ETC/PROFILE.D directo

compilation environmentYum install gcc gcc-c++-y(3) Install dependent packagesRPM-IVH e2fsprogs-libs-1.41.12-18.el6.x86_64.rpmRPM-IVH e2fsprogs-devel-1.41.12-18.el6.x86_64.rpmRPM-IVH e2fsprogs-devel-1.41.12-18.el6.x86_64.rpm(4) Unzip the installation package to/optTar jxvf extundelete-0.2.4.tar.bz2-c/opt(5) configurationCd/opt/extundelete-0.2/./configure(6) Compile and installMake make install(7) testUse the FDISK command to create a partition/dev/sdb1, mount it to/tmp, and add a new file or d

command loads the driver module. The set root line identifies the partition from which the kernel and initial RAM disks are read, but the search line then overwrites this value and finds the partition based on the universal Unique identifier (UUID) number of the file system it contains. The Linux line identifies a Linux kernel and sets the options passed to it. The INITRD line identifies an initial RAM

When installing Linux, installing grub in the main boot sector will boot Linux and Windows XP normally, but it also destroys the primary boot information for the original Windows. When Linux is removed, grub does not boot properly because grub needs to read the/boot information for Linux, but no longer exists. At this

lsof to see if there is currently a process open/var/logmessages file, as follows:# lsof |grep/var/log/messagesSyslogd 1283 root 2w REG 3,3 5381017 1773647/var/log/messages (Deleted)From the above information you can see that the PID 1283 (syslogd) Open file has a file descriptor of 2. You can also see/var/log/messages has been marked for deletion.Recovery:Cat /PROC/1283/FD/2 >/var/log/messages Recovery SuccessThis method of recovering deleted files is useful for many applications, especially l

"Unmount the partition where the file was mistakenly deleted, or mount as read-only"When you find that you have deleted the file by mistake, the first thing to do is to immediately unload the partition where the file was mistakenly deleted, or to hang it in a read-only manner. If the root partition is deleted by mistake, it is best to power down directly, go to single user mode, hang the partition in a read-only manner, and then restoreMount-o ro,remount/dev/sdb/mntIf you are not deleting the ro

Tags: Linux data restoreIn the operation of Linux system, often encounter a variety of operations due to careless, operational errors and other behavior caused by data loss, we can use Extundelete to recover data.First, the preparation before the experiment Create a new diskIn the Virtual Machine Settings window, locate "Hard disk", click "Add",In the Add H

If you do not need to install a WINDOWS disk, recover the damaged WINDOWS boot-LINUX general technology-Linux technology and application information on Linux. For more information, see the following. You can use install or livecd to create an existing system. I used install cd because it was too slow to load LIVECD. I

=" Wkiom1yo34exyiykaacz-qttn2g755.jpg "/>5. recover files with cp commandCP/PROC/2039/FD/4/root/b.list6. Verify that 2 files are the sameDiff Aa.list B.list650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M00/74/CB/wKiom1Yo8dOyGNUkAABR47GqUww440.jpg "title=" QQ picture 20151022222415.png "alt=" Wkiom1yo8doygnukaabr47gquww440.jpg "/>MD5 Verification650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M00/74/CB/wKiom1Yo8lWzbtwDAACpCkWzoWs219.jpg

Load the system mount ISO image, set the CD drive to boot, click on the VMware menu bar, virtual machine-power-Enter the firmware when the power is turned on. Enter the system rescue mode (select the 3rd option) the network card needs to be configured on IP or cannot access the FTP server, note: The wildcard character after the IP is generally written, enter the following prompt for bash-4.1# bash-4.1# CD the/mnt/sysimage directory. Package Other bin files that normally sta

Tags: action linu generate additional metadata boot partition server strong work[Data Recovery failure description]A Linux Web server, DELL R200, manages about 50 websites, using a single SATA 160GB HDD. A sudden outage in normal use, the attempt to start again failed to remove the hard drive detects the presence of about 100 bad sectors.After a data recovery company repaired the bad path, it tried for about 3 days and did not

a disk image file, you perform compression:dd if=/dev/sda | gzip > disk.img.gzdd if=/dev/sda | bzip2 > disk.img.bz2That's good! Ghost has all the features.2. Partition cloningIf we don't want to clone the entire disk and just want to back up some of the partitions that hold the data, you'll need to clone a partition. As stated in the preliminary knowledge, partitioning is also a file under Linux. For exampledd if=/dev/sda1 of=~/part1.imgThe first par

Rationale: The directory and name of the process are stored under the/proc partition of the Linux system, containing the FD (file descriptor) and the subdirectory under it (the link to the process open file), and if a file is deleted, there is also a reference to the Inode:/proc/process number/fd/file descriptor. All we need to know is that the process PID and file descriptor FD for the currently open file can use the Lsof tool to list the files that

My Notebook installed with dual boot Os:linux Mint and Windows 7During Linux Mint overwritting version, I selected the Windows boot partition as the Mint boot loader device by mist Ake, so Windows 7 failed to start after the installation.To recover the boot partition, boot the NB with Windows 7 installation DVD, enter command prompt console under system fix window, run this command:bootrec/fixboot, then reb

Today in the build MySQL Cluster service, before installing MySQL Cluster service, uninstall the original MySQL software package, accidentally the RPM command also unloaded, this miserable, nothing can be done. In Google has turned a lot of pages, even the official website also looked, did not solve my problem, according to my years of experience in Linux and Linux system RPM package installation characteri

1. What if I forget the root password?Using single-user modeFirst step: Restart the Linux serverRestart command: Reboot,init 6,shutdown-r nowShutdown command: Poweroff,init 0OK, restart the server. Then enter the login screen650) this.width=650; "Src=" https://s2.51cto.com/wyfs02/M01/97/9A/wKiom1kwJffi1LQWAADM5oyOg9o846.jpg-wh_500x0-wm_ 3-wmp_4-s_3034605112.jpg "title=" snap1.jpg "alt=" Wkiom1kwjffi1lqwaadm5oyog9o846.jpg-wh_50 "/>Use the upper and low

Tags: linux extundelete restore mistakenly deleted filesFirst, before the experiment needs to know1, Extundelete is a tool to restore the EXT3,EXT4 partition file, he will use the log information in the partition to try to recover the deleted files, but not every deleted file can be ensured to be restored, so the important file everyone still want to do backup. The following is a small experimental simulati