/dev/loop* are loop devices making plain files accessible as block devices. They have nothing to do with RAM occupation. They are typically used for mounting disk images, in your case apparently for Ubuntu Snap.
What is Dev loop service?
It means you got more software installed from containers. Each loop device is a snap install. –
Can I delete Dev loop0?
So you can use losetup -d /dev/loop0 to delete a file associated with a loop on dev/loop0(! “losetup -d” is just usable as admin., so you need to type sudo losetup -d or wath the most LinuxGurus not fink fin, u have a so-terminal static open).
What is Dev loop snap Ubuntu?
That is normal. /dev/loopX are virtual devices to mount image files. And they are -read only- so do not get larger or smaller than they are when created. Those mount points are connected to the snapd service. You will see extra loop devices added for every software you install using “snap”.
What does Mount loop mean?
A “loop” device in Linux is an abstraction that lets you treat a file like a block device. It’s specifically meant for a use like your example, where you can mount a file containing a CD image and interact with the filesystem in it as if it were burned to a CD and placed in your drive.
What is Losetup?
losetup is used to associate loop devices with regular files or block devices, to detach loop devices, and to query the status of a loop device. … It’s possible to create more independent loop devices for the same backing file. This setup may be dangerous, can cause data loss, corruption and overwrites.
How do I get rid of snap loop?
So, for anyone who want delete a snapd from system completely leaving a manual:
- Check list of installed snaps: sudo snap list –all.
- Remove all of installed snaps: sudo snap remove snapname (for core snap also use a –revision revision_number option)
- Remove a snapd by sudo eopkg rmf snapd.
Why are there so many Dev loop?
That is normal. /dev/loopX are virtual devices to mount image files, these are -read only- so do not get larger or smaller than they are when created. Those mount points are connected to the snapd service. You will see extra loop devices added for every software you install using “snap”.
How do I remove a block device?
To do so, use the command echo 1 > /sys/block/device-name/device/delete where device-name may be sde , for example. Another variation of this operation is echo 1 > /sys/class/scsi_device/h:c:t:l/device/delete , where h is the HBA number, c is the channel on the HBA, t is the SCSI target ID, and l is the LUN.