Questions tagged [system-recovery]
The system-recovery tag has no usage guidance.
118
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Stuck in emergency mode after cloning my system with clonezilla
I cloned my installation from a 240GB SATA SSD to a 500GB NVMe SSD using Clonezilla. The cloning was completed successfully, except for a failure with initrd (unfortauntely I don't remember the ...
- 13
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2
answers
28
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Automatic rollback of broken configuration changes?
I run a headless home server and sometimes need to make configuration changes that have the potential to break remote access. Is there a tool or system service that can be set to define what ...
- 111
3
votes
1
answer
198
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Recovering /etc/passwd file
I deleted my /etc/passwd with my fat fingers.
I saw that there is a /etc/passwd- that looks like a backup file but I cannot copy it to restore the original one since I can't sudo anymore.
My volume is ...
- 422
0
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93
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Restoring windows boot [closed]
I recently reinstalled Fedora 35 on a dual-boot with Windows 10.
Unfortunately, I think I have accidentally formatted /boot/efi, as hints a tree /boot
/boot
├── config-5.14.10-300.fc35.x86_64
├── ...
1
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1
answer
282
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switch_root: failed to execute /sbin/init: Too many levels of symbolic links
So, recently I was doing the Linux from scratch project and I had multiple terminals open, so I was continuing to make it, and by accident I typed the line in another terminal tab (root), and it ...
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1
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171
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bash: cd: /run: Permission non accordée (Permission denied)
When running dbus-launch, I get
bash: cd: /run: Permission non accordée.
(Permission denied)
I think I've bad permissions.
Is there a correct solution ?
0
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1
answer
83
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Timeshift broke my OS
I am a linux noob who is using Elementary OS. Recently I had to reinstall my OS in order to get the new version of elementary OS (Odin).
I had a backup of my file made using deja dups (that I've ...
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1
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419
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PopOS (Ubuntu) crashed and booted into emergency mode
I'm new to Linux but I'm going to try my best to describe the problem, please bare with me, if you need more information tell me what I can do to provide more information and I'll get it for you.
...
- 123
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1
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86
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Dual boot system failed, ubuntu file system missing during hard disk data recovery
I had a dual boot system with windows 10 and ubuntu 18. Recently the system failed, the motherboard
probably got fried by lightning during a thunder storm and its not booting anymore, no fan, no ...
1
vote
1
answer
246
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Accidentally ran "sudo chmod -x /*, is a fix possible?
Im pretty new at linux and I really don't know how to fix this.
I accidentally ran
sudo chmod -x /*
Now every command I run returns a "Permission denied" even the sudo command. please help!
1
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1
answer
83
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Integration Rear with bacula
I am trying to integrate bacula community with Rear to have complete disaster recovery solution. But I don't really know how to configure bacula File Deamon nad local.conf file for Rear to be able to ...
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2k
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ubuntu 20.04 only boots from recovery mode
After a power outage, my ubuntu 20.04 boots from the normal option in grub to a black screen and hangs there.
However, if I go to Advanced Options and select recovery mode and then "resume", ...
- 141
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156
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How can I revert the permissions of /etc? Whole system stopped working
I am looking forward for this question.
How can I revert a chmod on the etc directory?
I have tried all the methods, but I am still not able to restore the permissions of my /etc directory.
sudo: ...
- 101
1
vote
1
answer
75
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cat command overwritten
By error I have execute "sudo nano cat filepathxxxx" and somehow I change the content.
The cat command is no longer working and I can't install it I tried to execute "yum install ...
- 11
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2
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305
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What is the proper way of backing up raid
I have a two disk server where root is on a mirrored LVM volume, while /boot and /boot/efi are RAID1 partitions.
I want to fully backup my server, so that when a disaster happens (both disks fail, or ...
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1
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126
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Using Photorec after accidentally deleting Users folder in Mac using rm -rf ~/
I copied this command online to the terminal without reading what it actually does (I know this is very dumb for a beginner) and suddenly, it started to delete every important file in the hard drive.
...
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158
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Recover broken ubuntu image
I created a .gz archive of a disk image (Ubuntu 18.04) of one of my virtual servers with the following command:
dd if=/dev/sdb | gzip -1 - | pv | ssh user@ip dd of=/home/user/sdb.gz
While unpacking ...
1
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1
answer
183
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How to restore /etc/sudoers, after making a mess and getting unable to use sudo?
I'm learning how to give sudo permission to different users.
At my first try editing /etc/sudoers, I made a syntax flaw and was unable to use sudo.
Whenever I would use sudo command, this message ...
0
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1
answer
134
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hard disk failure, diagnostic and fixing
There was a hard disk failure on my laptop. 500GB SATA disk. So I'll have to replace the disk and try to recover user data. Disk is about 4 year old. Not sure how serious the disk corruption is. I did ...
- 1,183
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137
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Time Machine system recovery alternative for linux
Does a Linux alternative to Time Machine (macOS) exist? I'm looking for the recovery mode feature that lets you restore the system completely.
Can programs like Cronopete or Back in Time do that?
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141
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Linux Ubuntu crash & errors during boot
Ubuntu 16.04LTS, system crashes during boot with multiple errors.
How to fix and recover system? (in details)
Info:
pic1
pic2
pic3
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400
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How can I repair a Linux installation after mistakenly running rm -rf /*?
I executed rm -rf /* as root while in the /var directory on a RHEL7 system. I pressed Ctrl+C as soon as I realized to stop the operation, but I am now unable to log into the system. I don't know how ...
- 503
1
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1
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273
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Locked out: overwrote /etc/shadow and /etc/grub.d with pacnew
After all these years of using Linux, I have never goofed up this badly. I should have known better, I honestly don't know what I was thinking.
While trying to fix a small error message I was getting (...
- 115
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177
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Mac OS 10.12 - Accidentally Unlinked libz.1.dylib
Ran:
unlink /usr/lib/libz.1.dylib
Now I can't launch from my user profile.
I have been able to run in recovery mode, where I can see the .dylib in question is there, but running in single-user mode I ...
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0
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22
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Is it possible to switch to active Linux installation from Recovery mode?
Noob here. I have Pop OS 20.04 installed on my laptop. I've been getting these sudden freeze-outs where I get dialogues like "disk is read-only" when I'm doing something. Then I restart, and ...
1
vote
1
answer
511
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Clonezilla restoring to a different partition
After a crash on my hard drive, I had to start from scratch. I reorganized the different systems and their appropriate partitions.
I had the required partitions and their sizes set up.
The only ...
- 11
1
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3
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550
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Accidentally deleted /usr/ directory in CentOS 8
Accidentally /usr/ directory got deleted, in Cent OS 8. For recovering CentOS, I have found this link which needs live CentOS 8 installed in USB drive. However CentOS 8 doesn't have live ISO release ...
- 13
0
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0
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34
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Ubuntu stops at booting
My laptop came with ubuntu lts preinstalled, i installed kde desktop&co via neon package sources. I've been using it for couple of months well-working. I left my laptop for acouple of minutes, and ...
- 93
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53
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Modify /etc/passwd file without logging in
I was experimenting with the /etc/passwd file in my Ubuntu 18.04. I rebooted my machine to check whether the changes are affected. But unfortunately I am not even able to go to the login screen.
The ...
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59
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Initrd - rebooting issue
I recently booted into Root via Ubuntu kernel recovery mode. When I finished what I was doing, and not altering anything in my system, I tried to reboot with shutdown -r now. This started various ...
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128
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How do I recover deleted files?
Today I mistakenly deleted files inside the public_html folder.
There is no backup of deleted files.
Is there a way to recover information?
thanks
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2
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442
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Linux kernel development dual booting Linux/Windows
I want to get into kernel development, and the first practical step is obviously to run a Linux kernel to develop.
I think the best solution for me would be to dual boot windows and Linux, with Linux ...
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1
answer
694
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Recover deleted files from a virtual disk image
I need help.
Accidentally, all files from root were deleted. It was not me)
It is easy if there would be simple disk partition. But, there is logical volumes used.
Centos 7
KVM
QEMU
$ ll server.img
-...
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441
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Why is mv failing in this (bash) shell script in bash 3.2 during Mac OS recovery mode?
I'm trying to move some files using a bash script on a mac during recovery mode. I can successfully move the files by manually entering the command in Terminal after booting into recovery. However, ...
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83
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Got stuck in Emergency mode with ACPI Error
I am using ubuntu 16.04. I probably have done sth which damaged the system file. After reboot, I am stucked in emergency mode. The error is about ACPI like below. I am not sure what is wrong here. ...
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644
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Accidently moved /usr/lib64 how can I restore
I was trying to free up space and clueless moved /usr/lib64/ to "/srv/maraba_ssd_scratch/apelin/root_files/usr_lib64". The next thing I was going to do is create a symlink in usr for lib64 to point to ...
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1
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271
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Is it possible to recover overwritten files from another operating System on the current operating system?
On my PC I had 2 operating sytems (ubuntu and windows) and for about 5 days I wanted to reinstall my Windows OS because of some bugs but instead of installing it on the partition where my old version ...
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1
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160
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How can you complete a Debian installation interrupted just before "Finish installation"?
I am trying to get Debian installed on a device that doesn't have enough battery capacity to power the display on full brightness for long enough to complete an installation, even while plugged in. I'...
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2
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614
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Ubuntu 18.4.2 failsafex running in low graphics mode
Ubuntu fail safex running in low graphics mode
I changed my theme from unity to gnome from ubuntu login and forgot to change the display manager to gdm3.
And then I restarted low graphics mode.
So ...
54
votes
1
answer
4k
views
Change permisions of a file with my cat's help
root@system:~# less myfile
-bash: /bin/less: Input/output error
The root filesystem is dead. But my cat is still alive (in my memory):
root@system:~# cat > /tmp/somefile
C^d
root@system:~#
He's ...
- 4,022
3
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1
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5k
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Trouble on Debian boot up "Timed out waiting for device dev-disk..."
I can't boot my Debian 9.5 with following errors. If I remember correctly ACPI Errors were shown every time I turn on PC. But computer always boot right with these errors, so I didn't care much. The ...
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Cannot log in because of corrupted .bash_profile [duplicate]
I have created a new user account.
I can't access it because of a .bash_profile error.
How can I repair this type of error?
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3
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2
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1k
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How to import bash history with correct time&date from a history output?
I have a file with my bash history and want to "import" the commands on a new machine. The file contains a history output formatted as HISTTIMEFORMAT="%F%t%T%t":
$ history > history.txt
So the ...
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2
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1
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277
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/var/lib/dpkg/ disappeared after fsck
All apt-like commands failed to create the lock file, because /var/lib/dpkg/ doesn't exist. Also, /lost+found/ has contents:
pi@pi-top:~ $ sudo ls -al /lost+found/
total 102456
drwx------ 11 root ...
- 487
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390
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CentOS trying to mount non existant RAID array -> recovery mode
My first try using RAID1 ended with CentOS not starting anymore - throwing me into Recovery mode. Luckily a test system
At first i set-up the raid1 which worked rather good. Later i noticed that my ...
- 121
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1
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103
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Failure to boot after running bash script
I just recently ran a bash script that froze up my Linux mint machine, and I had no choice but to hold power key to perform a hard power off.
Now my machine will not boot.
I have no clue if the bash ...
- 544
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1
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6k
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busybox and nfs mounts
As part of a startup a rescuecd uses busybox to mount a nfs share with data, but during the nfs share mount, busybox (version v1.18.2 from systemrescuecd) always fails to mount the nfs share. And i do ...
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543
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recovery boot hangs at "systemd[1]: Listening on Journal Socket"
Can no longer boot into Debian testing, possibly because I accidentally uninstalled some undocumentedly critical package.
In regular boot, system hangs after confirming that the root fs is clean.
In ...
- 351
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1
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76
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Linux Mint kernel damage
First off: I am running Linux Mint 18.2 on an External HDD with Gnome 3 as my desktop.
Recently, I was trying to figure out how to compress my OS so I could move it to a different system. So, I ran:
...
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3
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9k
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Can't log in because I forgot my user name
My friend had put Linux Mint 17.3 Cinnamon 64 bit on my computer. Well, I forgot the user name, so I did a search on the Net for "forgot username linux" and came here.
I got the suggestion to hit '...
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