Questions tagged [system-recovery]

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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 (...
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1answer
9 views

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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14 views

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 ...
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13 views

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 ...
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0answers
22 views

How to reset “wm size” changes from recovery or unlock android phone with graphic key via keyboard/mouse?

After entering wm size 1920x1080 in terminal I was unable to reset this setting. Now I have TWRP running and no information about how wm store its parameters in memory. Using adb is not possible (for ...
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24 views

DualBoot Ubuntu / Windows and grub

i'm trying to remove my dual boot because my PC is lagging and I need to reinstall Windows and clean up a lot. So , right click on windows , disk manager , and remove my Ubuntu partition. Problem :...
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3answers
129 views

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 ...
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0answers
25 views

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 ...
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0answers
123 views

Can't Login to Fedora 31 After System Restore

I'm new here, so I apologize in advance for how ineptly I may ask this question. I recently had to restore my entire Fedora 31 system from a backup made with Rsnapshot. (I had intended to make ...
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0answers
26 views

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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0answers
19 views

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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1answer
81 views

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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2answers
183 views

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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1answer
230 views

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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1answer
213 views

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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0answers
35 views

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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0answers
277 views

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 ...
0
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1answer
172 views

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 ...
0
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1answer
97 views

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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2answers
412 views

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
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1answer
3k 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 ...
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1answer
3k views

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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1answer
686 views

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?
2
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2answers
610 views

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 ...
2
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1answer
174 views

/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 ...
0
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1answer
301 views

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 ...
0
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1answer
67 views

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 ...
3
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1answer
5k views

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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0answers
412 views

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 ...
0
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1answer
69 views

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: ...
16
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3answers
7k views

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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0answers
52 views

How to avoid a situation where the system is too out-of-memory to even show or kill processes?

I recently ran into a situation where a system was too out-of-memory to even run pkill or htop, or to even create a swap file. (But somehow I could still SSH into the system, so at least I had a ...
0
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1answer
14 views

Delete file in hard drive root folder using recovery disk

I made changes to my xorg.conf file in /etc/X11/ after backing it up. Some bad things happened and now I cannot access tty or the logon screen. The only way is via a recovery USB drive. How can I ...
3
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1answer
4k views

What command is run when the dpkg option is selected in recovery mode?

I recently ran into the following situation: I could not boot my computer normally. (I was shown a blinking cursor after the boot-loader and Ubunutu load screen but before the login page while never ...
4
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1answer
750 views

Did Windows update corrupt a Linux partition? [closed]

I have a dual boot system with Linux Mint 18.1 and Windows 10, which I only use occasionally. I booted into Windows 10, and it started applying updates. Upon restarts I was presented with the: error: ...
2
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1answer
1k views

Reinstalling only packages with missing or corrupt files on a non-running system?

1st. Thanks in advance. This is somewhat like # 216697: Reinstalling packages with missing/corrupt files except in that person's situation, after recovery, the system still worked. Mine does not. Can'...
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3answers
2k views

How to recoever after executing rm -f /bin/su; rm -f /usr/bin/sudo (with correct privileges)?

This is a theoretical question. What if I run those commands with correct privileges? How could I restore su and sudo?
1
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1answer
955 views

Can I create a Live DVD of my currently running Debian system?

Can I create a live CD of my currently running Debian setup? (Debian 9.1 with KDE with all the configurations I made, all the packages I installed and some files.) How can I do that? And in addition ...
0
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2answers
268 views

Set permissions using chmod whilst in the wrong directory

I was doing a magento patch via Terminal and ran the following commands whilst in / rather than /public_html find . -type d -exec chmod 500 {} \; find . -type f -exec chmod 400 {} \; find var/ -type ...
0
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2answers
316 views

Can `chmod -R 777 /bin` be recovered from?

I know that chmod -R 777 / is extremely destructive, and I know that a chmod -R 000 /bin can be recovered by using an additional disk, but I'm wondering about chmod -R 777 /bin. If I have a root ...
0
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0answers
342 views

I overwrote all libraries in /lib64 by accident, how to fix?

I accidentally used windows copy syntax when copying libraries from one folder to another: mv /usr/local/lib/libboost** /lib64/* This overwrote all libraries needed to run the system. The only ...
1
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0answers
96 views

How to recover Ubuntu?

This question has come from the previous question I asked in this site. My laptop has 2 Operating systems of Ubuntu as can be seen in the screen-shot below. The one where I logged in is visible in ...
-1
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1answer
649 views

Recover Debian 8.7 after accidently purging essential packages [closed]

Trying to get rid of strange startup errors I purged some of the essential packages. My xfce4 doesn't start on boot, which is not too bad, I still have the tty, but I also have no network connection, ...
13
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3answers
3k views

unix - accidentally moved everything under root to /old - Solaris 10

As the headline says everything or almost everything important as root under root (/) was moved to /old on a Solaris 10 machine. So now the typical fault when trying when running commands are Cannot ...
3
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1answer
854 views

Linux Slackware ( Broken - kernel panic )

I wanted to update my system (Slackware current) which was in multilib. Before updating, I tried to remove all packages (compat32 and multilib). Big mistake !!! This have broken some crucial symlinks ...
1
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1answer
493 views

Fix corrupt /bin/sh link

I used to access it via SSH but I wanted to connect to it with zsh instead of bash. I made a mistake with my Synology NAS: I deleted the /bin/sh symbolic link to /bin/bash to replace it with /bin/...
1
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1answer
1k views

reset $SHELL to it's default value [duplicate]

I read the answers on those questions (this && this), neither of them work for me! % uname --operating-system --kernel-name --kernel-version --kernel-release Linux 4.9.6-200.fc25.x86_64 #1 ...
3
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3answers
435 views

Creating recovarable disk image [closed]

Laptop I want to buy comes with preinstalled windows 10. I want to install linux on this laptop but I want to have option to recover windows (reset to factory settings). Because of that I want to make ...
2
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1answer
58 views

Debian computer: usr part corrupt

I have a Debian-Windows dualbooted machine. I've split up all areas into separate parts, eg. boot, var, tmp, etc... are all partitions. Now I can't boot Linux because the usr partition is giving I/O ...
1
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1answer
1k views

Kali Linux hangs on boot after hard reset

I had to perform a hard reset after my machine became unresponsive. Now when I try to boot, it hangs as shown in this image: . I am able to boot into recovery mode, so have access to a terminal I can ...