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Questions tagged [recovery-mode]

Questions about using and getting tasks done with the command line recovery mode.

0
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2answers
29 views

Ubuntu recovery mode. How to get backup of my home and download directories

I am having a disaster. My Ubuntu can not boot. The problem is summarised here I read about Ubunut recovery mode. I followed these instructions. I selected Drop to root shell promot. I got a shell in ...
0
votes
0answers
20 views

Stuck during login Ubuntu 18.04

I installed nvidia-driver. On restart, I stuck on the login screen. It sticks as soon as I enter credentials. By looking previous answers, I tried to reinstall lighten using recovery mode. But ...
0
votes
1answer
58 views

ubuntu does not boot after installing anaconda and pyinstaller

What happened. After restarting, the system does not boot. It freezes at the Ubuntu logo and the dots. What I did just before that. I installed anaconda and then I installed Pyinstaller. When running ...
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0answers
426 views

Can I login to any Ubuntu OS as root user with no password? [duplicate]

I mean can I login using Advanced options -> Recovery Menu as root user without any restriction (except for a Full Disk Encrypted system)? Can someone explain how to fix this security hole? Visual ...
0
votes
1answer
76 views

Recovery menu missing in 18.04LTS

I'm trying to drop a root shell for recovery, but after the reboot, I cannot see the recovery menu where I should select the "Drop root shell" option. After the secure-boot selection I just prompted ...
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votes
0answers
40 views

Ubuntu 18.04 ( and now 17.10) not loading as low graphic memory [duplicate]

I can't load Ubuntu 18.04 (and now not even the old version 17.10). I get an error message that low graphics mode when I try to log in recovery mode. When I press OK, I get different options to use ...
0
votes
1answer
132 views

How to solve blank screen issue on ubuntu 16.04 start up? [duplicate]

I have a blank screen problem on ubuntu 16.04 start up screen. Initially I was repairing my hard disk with fsck /dev/sda1 from this post. In trying solve the black/blank screen problem on startup, I ...
0
votes
1answer
45 views

Only able to boot via recovery mode

I'm using the newest 18.10 and only able to boot by going to recovery mode and by resuming to boot from there.
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0answers
12 views

Help in merging block storage

I need to merge a block storage and Ubuntu's primary drive and extend it all together. I am using Ubuntu 18.04 in Digital Ocean. So Droplet's primary drive is /dev/vda and it has three partitions. ...
1
vote
1answer
47 views

Can't understand if sudo is working or not

I don't know what's wrong in my pc. It runs on Ubuntu 16.04. When I give sudo command, it asks for password. When I give password, it does not accept. sudo -i [sudo] password for alpha: Sorry, try ...
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0answers
80 views

black screen of death - recovering journal clearing orphaned inode

I recently upgraded from ubuntu 16 to 18. I had this same problem in 16 and haven't found a solution for it yet. My laptop crashes and I get this screen. This seems to happen when I'm using chrome. ...
1
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0answers
74 views

HP Laptop will not boot after shutdown

I have installed ubuntu (MATE, minimal installation) on my laptop (SSD, HP brand), and it is a single boot system (no Windows). Everything was OK for a few days, and I shut down and restarted ...
1
vote
1answer
56 views

Why is my pc booting in recovery mode?

My computer currently will only boot into recovery mode while it was fine the last time I used it. I ran journalctl -xb and in red it says Failed to mount /media/cdrom/auto. (It says this twice) ...
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0answers
13 views

Ubuntu stuck on emergency mode

I've been struggling with this one for the last days and can't find a solution to it. When I try to run Ubuntu, I'm getting a screen with 2 MMIO FAULT lines and 2 that say something like: [Firmware ...
1
vote
0answers
30 views

Cannot boot my Ubuntu after Upgrading it

So I did: sudo apt-get upgrade Then I went to do some cleaning... So the system lock. Then I tried to log back in. It wouldn't let me. Then I forced Ubuntu to go into the terminal. Then I tried ...
0
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0answers
25 views

I did sudo chmod -R 700 /usr, is there anything I can do? [duplicate]

I was messing around with permissionions and I did a really stupid thing: sudo chmod -R 700 /usr. Is there any way I can recover from this? I am also using dual boot- I have Windows installed on same ...
1
vote
0answers
477 views

Enable wifi in ubuntu recovery mode

I have a ubuntu 16.04 laptop with grub 2.02 that I can only boot in the recovery mode, but cant use wifi to fix it. The situation is thie folowing: ifconfig -a shows me only loopback and ethernet ...
0
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0answers
28 views

Can't login to Ubuntu Server 16.04 after upgrade from 14.04

After a successful upgrade I am unable to login to the command prompt. The login works, and the MoTD and system stats appear, but then there's a pause before the prompt and cursor are displayed. ...
0
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0answers
72 views

How do i Select Advanced Options For Ubuntu in Gnu Grub Menu?

When I try to select the Advanced Options For Ubuntu in the Gnu Grub Menu it lowers me to the third option not the Advanced Options For Ubuntu is there any key that I can hold while trying to select ...
0
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0answers
57 views

How can I get rid of chosing Recovery Mode from GRUB each time I but to fix WiFi and Graphic Problem?

I have a strange experience... When I switch on my laptop (HP Mini) with out pulling any strings... it boots but just before showing login greeter it gives me some "Low graphic" error... then I have ...
0
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0answers
283 views

gave up waiting for root file system device

Alert! Uuid=........ Does not exist. Dropping to a shell! Initramfs. Can't do much from here. Blkid /Dev/sda1: label="Ubuntu 18_0" uuid="xxxx-xxxx" type="vfat" partuuid...... So, I'm stuck. Boot to ...
0
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0answers
431 views

Why can I only boot into Ubuntu 18.04 via recovery mode?

I dual boot with Win 10 & Ubuntu 18.04 LTS. However can only boot into Ubuntu via recovery mode. Where did I go wrong? Thanks too all for their assistance so far :)
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0answers
25 views

Upgrading from UBUNTU 16.04 to 18.04 hangs [duplicate]

I upgraded from UBUNTU 16.04 LTS to UBUNTU 18.04 LTS on my 32 bit intel PC bought in the year 2007. It hangs but works in recovery mode only. How to get it working in normal mode?
2
votes
1answer
595 views

Folder recovery with rm command

I deleted /bin folder from computer in Ubuntu with rm command. How can recover it ?
0
votes
1answer
358 views

Restore Ubuntu from recovery mode

I wanted to change the graphics driver from "nouveau" to "nvidia". I restarted my computer but as soon as I log in, the graphics engine does not launch and I get the login screen again. I do not have ...
0
votes
0answers
19 views

Adding HDD from different server install without formatting and preserving files

I have a new Ubuntu 16.04 LTS install with the OS on an SSD. I have a separate 10TB storage drive in the server. I also have another 10TB drive from the server I am upgrading from. This third drive ...
0
votes
1answer
35 views

Cannot login after adding user to group

I was trying to install amdpro divers, so followed the instructions and after installing the driver run this command: sudo usermod -a -G video $LOGNAME After that, I'm locked out of the PC. To ...
0
votes
0answers
204 views

Update packages from recovery mode?

I have managed to brick my laptop running ubuntu 17.10(?). I was running apt-get update or apt-get upgrade but while the terminal was doing it's thing my laptop froze so I rebooted it. When I boot ...
0
votes
0answers
141 views

Ubuntu 1.14 recovery mode ((Drm_kms_helper:panic occurred,switching back to text console

I updated the operating system ubuntu. 14 (version 2.02~beta2-9)) When I restart my laptob I have this error.👇 . .error . Drm_kms_helper:panic occurred,switching back to text console . . . I ...
0
votes
0answers
521 views

can't connect wifi in recovery mode use nmcli

i find same question how-to-access-wifi-in-recovery-mode, but it has been tag as duplicate with how-to-connect-to-wifi-from-the-command-line.I tried use nmcli, but got a error as fellow: Error: Could ...
0
votes
0answers
28 views

Can not see newly moved files on USB

I am using the newest LTS ubuntu and encountered some driver problems. Neverthless, the previous problems, new arise as folllwing:I entered an USB with 14GB of free space and from system recovery I ...
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0answers
40 views

Ubuntu 17.10 xserver and networking

After installing yesterday some updates, a restart rendered my workstation unusable. Now when I start I see a tv snow like screen. There seems to be a problem with the x-server (I'm not using wayland ...
0
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0answers
81 views

Are there some steps missing in the Ubuntu Wiki entitled “Booting into recovery mode?”

I have a Dell Tower with two hard drives. Hard drive 1 has Windows 7. Hard drive 2 has Ubuntu 16.04. I am trying to run a recovery option. At bootup I am presented with the GRUB menu. GNU GRUB ...
0
votes
1answer
94 views

Dual boot Ubuntu/Windows emergency mode

Almost every time I try to boot Ubuntu I get emergency mode screen as seen here: I tried all options listed and nothing helps. After randomly many reboot and/or force shutdown I manage to boot Ubuntu....
0
votes
1answer
839 views

Looping between /dev/sda1: recovering journal and login screen

I'm using Ubuntu 16.04 and I'm stuck between the login screen and a /dev/sda1: recovering journal screen. After it goes away I'm back at the login screen. Login wont work as a guest user either. ...
0
votes
0answers
30 views

How to prevent display manager from starting in recovery mode?

In need to investigate a behaviour in recovery mode and noticed that systemd starts the display manager (tried both gdm3 and lightdm) although it's not supposed to. I verified that the recovery kernel ...
0
votes
0answers
368 views

Impossible to login through ssh (keeps waiting after password), workaround?

I recently installed an Ubuntu 17.10 Server, with not too much fancy software or customizations. When I ssh to my machine, it asks for my password. The password prompt has my correct username. When I ...
2
votes
2answers
920 views

Copy files from recovery-mode via root terminal [duplicate]

Ubuntu 16.04 LTS was damaged during an upgrade and it can't be fixed. I need to save all my files in the disk in another disk. When I log in as root during recovery mode, I see all my files there and ...
0
votes
1answer
142 views

remounting in recovery does not work

I am trying to enter into recovery mode with read and write permissions. All the info I can find on doing this, says to run the following command mount -o remount,rw / But when I run that, I get ...
0
votes
1answer
575 views

Cannot boot into recovery mode on Macbook Air with encrypted disk after upgrading to Ubuntu 17.10

I have a Macbook Air (2012 edition, I think) that I installed Ubuntu 16.04 on, successfully. I also have enabled encrypted LVM so that every time it boots, it asks for a password to decrypt the ...
7
votes
1answer
16k views

Reset root password for Ubuntu 16.04 - recovery mode asks for root password [duplicate]

We've lost the root password from our file server from supermicro server. I tried to follow the common instructions to reboot with left shift and drop to root shell as it is described in this answer. ...
2
votes
0answers
176 views

Ubuntu 16.04.3 Kernel panic during boot (after trying to auto decrypt disk on startup)

Followup to an earlier question on having my encrypted disk auto-decrypt on startup. It seems I completely shut myself out of my system, I'm getting a kernel panic on startup. Here's what I did: ...
1
vote
0answers
157 views

Recovery mode for 16.04 - is it with timeout?

I need to fix a black screen problem (after the nvidia driver update), so I tried to enter recovery mode (many times). The system gives me only about one minute to work in recovery mode, then it ...
1
vote
2answers
2k views

Lubuntu 17.10 won't properly boot except through recovery mode

I decided to install Ubuntu 17.10. The installation was all fine and dandy as well, until I woke up to see Ubuntu stuck on /dev/sdb clean [...] I could tell it was frozen on the boot since my mouse ...
1
vote
2answers
540 views

Cannot login after modifying /etc/environment

By mistake I added a line ="" in /etc/environment and now I cannot login in ubuntu anymore. Symptoms: ctrl+alt+f1~f3 to tty: stuck in a login loop. Recovery mode: cannot use sudo, and hence cannot ...
1
vote
1answer
640 views

dpkg stuck in viscious cycle in recovery mode

I am trying to install Ubuntu 16.04.3 on an Alienware laptop. In order to get the install media to boot I had to use nouveau.modeset=0. Also the installer would hang unless I unchecked the two boxes ...
0
votes
1answer
184 views

How to Overcome a Failing Recovery Mode

I use Dell XPS with Ubuntu 16.04. I have sent my computer to their so called premium service in order to fix a hardware problem. Once I receive it back, it does not start the OS. Instead, it shows GNU ...
0
votes
1answer
268 views

Recovering system after deleting old files in /boot [closed]

Some days ago I ruined my Ubuntu server (Ubuntu Server 16.04.3 LTS) when deleting some files in my boot-directory. It seemed that system-updates had completed to version 4.4.0-93 so I removed all ...
0
votes
0answers
1k views

Error: invalid video mode specification 'text' Booting in blind mode --after invidia installation and update through apt-get update

I need some help. After i install nvidia driver for my graphics Card Inno3D GF-GT630 then update through sudo apt-get update and reboot. then this is now the display of my screen.. error: invalid ...
0
votes
1answer
79 views

One key recovery equivalent for Ubuntu

I have used One Key recovery tool to create a backup partition in Windows. It resets Windows just like a factory recovery does in an Android phone. We can even select a state of OS at a particular ...