Ubuntu – Automatic Adding of Filesystems to /etc/fstab

filesystemfstab

I use lvcreate and mkfs to create new filesystems on my Ubuntu Server 18.04 LTS systems. One thing I find confusing is that the system does not automatically add any new filesystems that I create to the /etc/fstab file. The only ones added are the ones that were created when the system was initially created during install.

Is there any way (mkfs flag, or separate apt package) that new filesystems could be inserted automatically in the /etc/fstab file rather than requiring the administrator to manually edit the file?

Best Answer

That's normal, because there is no way for tools or operating system to know where do you want to mount the partitions, logical volumes or etc that you have just created.

The ones you create while installing system are detected by your choices (When you select your root, home, etc) and are added to fstab because they are necessary for booting your system.

you have to manually edit the fstab.

BUT, there is other ways to automatically mount partitions, tools like udisks.

https://help.ubuntu.com/community/AutomaticallyMountPartitions

Related Solutions

Ubuntu – Fstab edit crashed system

Boot your system using a live USB
Use Disks to determine the name of your system partition (probably sda1)
Open a terminal window
Mount the system partition by typing the command sudo mount /dev/sd__ /mnt where sd___ is sda1 or whatever the system partition is
Fix fstab using the nano editor sudo nano /mnt/etc/fstab. Probably just delete the lines you added, or do whatever you need to reverse your changes
Reboot

Ubuntu – fstab automatically creates mount points

And here the essential parts from the documentation:

Mount units may either be configured via unit files, or via /etc/fstab
(see fstab(5) for details). Mounts listed in /etc/fstab will be converted
into native units dynamically at boot and when the configuration of the
system manager is reloaded. In general, configuring mount points through
/etc/fstab is the preferred approach. See systemd-fstab-generator(8) for
details about the conversion.

Further down you'll find this:

Where=

    Takes an absolute path of a file or directory for the mount point;
    in particular,the destination cannot be a symbolic link. If the
    mount point does not exist at the time of mounting, it is created
    as directory.

Best Answer

Related Solutions

Ubuntu – Fstab edit crashed system

Ubuntu – fstab automatically creates mount points

Related Question