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author | Christian Cleberg <hello@cleberg.net> | 2024-07-28 19:46:20 -0500 |
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committer | Christian Cleberg <hello@cleberg.net> | 2024-07-28 19:46:20 -0500 |
commit | 2be43cc479dfd4cfb621f14381330c708291e324 (patch) | |
tree | 7ac50f99425c5524c0820360754045b80d1bafcc /content/blog/2024-02-13-ubuntu-emergency-mode.md | |
parent | afe76ac7d7498b862abaa623790b91410e34574d (diff) | |
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conversion from Zola to Weblorg
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diff --git a/content/blog/2024-02-13-ubuntu-emergency-mode.md b/content/blog/2024-02-13-ubuntu-emergency-mode.md deleted file mode 100644 index 073b665..0000000 --- a/content/blog/2024-02-13-ubuntu-emergency-mode.md +++ /dev/null @@ -1,72 +0,0 @@ -+++ -date = 2024-02-13 -title = "Stuck in Ubuntu's Emergency Mode? Try Fixing the Fstab File" -description = "" -draft = false -+++ - -# The Problem - -I recently [migrated my hard drives to a ZFS pool](../zfs/) and found myself -stuck in Ubuntu's emergency mode after the first reboot I performed after -creating the ZFS pool. - -My server was stuck in the boot process and showed the following error on the -screen: - -```txt -You are in emergency mode. -After logging in, type "journalctl -xb" to view system logs, -"systemctl reboot" to reboot, "systemctl default" -or ^D to try again to boot into default mode". -``` - -After rebooting the server and watching the logs scroll on a monitor, I noticed -the root cause was related to a very long search for certain drives. I kept -seeing errors like this: - -```txt -[ TIME ] Timed out waiting of device dev-disk-by/[disk-uuid] -``` - -I realized that I had not removed the `/etc/fstab` references that asked Ubuntu -to mount two disks on boot, but I had recently changed those disks to be part of -my ZFS pool instead. Therefore, Ubuntu was trying to identify and mount a disk -that was not available. - -Now that we have an idea of the issue, let's move to solution. - -# The Solution - -In order to fix the issue, I waited until I was allowed to type the root user's -password, and then I executed the following command: - -```sh -nano /etc/fstab -``` - -Within the `fstab` file, I needed to comment/remove the following lines at the -bottom of the file. You can comment-out a line by prepending a `#` symbol at the -beginning of the line. You can also delete the line entirely. - -```conf -# What it looked like when running into the issue: -UUID=B64E53824E5339F7 /mnt/white-01 ntfs-3g uid=1000,gid=1000 0 0 -UUID=E69867E59867B32B /mnt/white-02 ntfs-3g uid=1000,gid=1000 0 0 - -# What I changed it to, in order to fix the issue: -# UUID=B64E53824E5339F7 /mnt/white-01 ntfs-3g uid=1000,gid=1000 0 0 -# UUID=E69867E59867B32B /mnt/white-02 ntfs-3g uid=1000,gid=1000 0 0 -``` - -Once removing the lines above from the `/etc/fstab` file, save and exit the file -by hitting the `Ctrl` + `x` key combo. - -You can now hit `Ctrl` + `D` to continue, or reboot: - -```sh -systemctl reboot -``` - -Once rebooted, I was able to watch the machine boot properly and launch to the -TTY login screen without errors! |