All Questions
16
questions
0
votes
1
answer
6k
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Extend/resize boot partition [closed]
Currently i have /dev/sda disk on which i have root partition (as /dev/sda1) and boot (as /dev/sda2)
As my boot partition is only 100MB i need to extend it. Unfortunately i can't add space to disk /...
- 21
1
vote
0
answers
33
views
Laptop lost power and all my data is lost but exists in /media/user/longstring/
I put my laptop to sleep mode and it lost power and the battery died. So I connected it back to the main power, started it up and logged in.
When I logged in, it logged my in as if I installed a fresh ...
- 11
1
vote
0
answers
800
views
Ubuntu doesn't load after adding NVME M2 SSD
Please help with the following:
I have a machine for ML purposes, with both Windows and Ubuntu installed on NVMe M2 disk.
After adding a second NVMe M2 disk Ubuntu won't load after showing Ubuntu logo ...
- 11
0
votes
1
answer
3k
views
How to correctly restore from a backup.tar.gz file
I have followed this reddit thread on how to backup and restore an ubuntu filesystem. When I try to boot the USB after restoring the backup with the following command:
sudo tar -xpzf /media/d/backup....
- 101
2
votes
0
answers
3k
views
How to automount specific zfs dataset at boot?
I am running Ubuntu 18.04 with encrypted ZFS on / and have now decided that I would like to make my /home directory a separate dataset.
Initial Issue
As per Proper way to create a zfs off an existing ...
- 1,361
2
votes
1
answer
8k
views
ZFS rpool fails to mount on boot
My system was booting fine, but I was trying to resolve a couple ZFS related boot errors that said:
cannot mount '/root': directory is not empty
cannot mount '/var/cache': directory is not empty
In ...
- 1,014
1
vote
1
answer
3k
views
Remount filesystem to rw after running fsck on root without reboot
I think there's some issue with my harddrive. I face the read-only mode issue frequently. I usually run fsck -y /dev/sda4 (my root is mounted on sda4) followed by reboot. The problem is it takes a ...
- 13
0
votes
0
answers
761
views
Why is my computer booting into emergency mode after changing fstab?
I have an external USB hard drive that I configured to automatically mount to a specific location when it is connected. I configured this by:
adding the following line in /etc/crypttab:
device_name ...
- 121
2
votes
0
answers
1k
views
Ubuntu 18.04 Unmount /dev/mapper/ubuntu--vg-root for fsck
so I am having a problem booting my newly upgraded 18.04 installation, and all the solutions that I see are pointing me toward doing fsck /dev/mapper/ubuntu--vg-root from recovery mode. The only ...
- 131
1
vote
3
answers
8k
views
Ubuntu 18.04 not booting, UUID error
Suddenly my laptop stop booting. I have installed Ubuntu 18.04 and now when it's booting I'm getting this error. I searched it and tried all solutions I found but still not booting. Please don't mark ...
0
votes
1
answer
67
views
Is it possible to change mount options of an existing encrypted Ubuntu 18.04 installation using a live stick?
Today I unintentionally changed the mount options of my main harddrive. After I enter the decryption phrase during the bootup the Ubuntu logo and the loading bar show up and afterwards the screen ...
- 1
0
votes
2
answers
2k
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 ...
- 587
0
votes
1
answer
4k
views
Why remounting root file system takes a lot of time?
I have slow boot. From systemd-analyze blame, i can see that dev.sda1(which holds root file system) is taking a lot of time(around 9 seconds)
Now,I have 4 ext4 partitions in my system.
From dmesg :
...
- 1
7
votes
2
answers
3k
views
Slow startup 18.04 on an SSD
I've been having a lot of trouble lately with startup time. I'm running Kubuntu 18.04, and startup always takes more than a minute on an SSD.
I have a swapfile set to be used, and it shows up when I ...
- 91
1
vote
1
answer
16k
views
How do I mount a GPT Drive in Ubuntu 18.04 LTS?
So here´s what happened:
1 - I have an Imac and was trying to downgrade it from High Sierra to El Capitan by trying to force its installation manually. That corrupted the OS system files and I could ...
- 19