Why those huge useless partitions were allocated?

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vistad
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Why those huge useless partitions were allocated?

Post by vistad »

Hello guys,
my LM 19.3 Mate tells me that I'm running out of space on system partition /.
But when I check the space with "df" I see a few empty tmpfs partitions:

Code: Select all

Filesystem    Size  Used Avail Use% Mounted on
udev             16G     0   16G   0% /dev
tmpfs           3.2G  3.3M  3.2G   1% /run
/dev/nvme0n1p3   24G   20G  3.0G  87% /
tmpfs            16G  634M   15G   4% /dev/shm
tmpfs           5.0M  4.0K  5.0M   1% /run/lock
tmpfs            16G     0   16G   0% /sys/fs/cgroup
Why those huge useless partitions were allocated?
How I can resize those partitions?
LM20 64 Mate, i7-6770K fanless Thermalright HR22, Asus Maximus VIII Gene, 32Gb RAM, NVMe SSD Samsung 960 PRO M.2, 25Gb ext2 /, 1GB swap, the rest is ext4 /home, Vbox Win8.1-64

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xenopeek
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Re: Why those huge useless partitions were allocated?

Post by xenopeek »

udev and tmpfs are virtual filesystems in RAM, they don't take up disk space or occupy more RAM than used (i.e., size and how much is available is just upper limit as to how much RAM it may use).

If you set up timeshift (system snapshots) that is likely why you are running out of disk space on such a small partition. Consider disabling timeshift or increasing your root partition size.
Image

vistad
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Re: Why those huge useless partitions were allocated?

Post by vistad »

xenopeek,
thank you very much for this info. So, there's nothing I can do about them.
As to Timeshift - I delete it 1st thing after the installation, because basing on 10 years of my using Linux - it does not need it.
LM20 64 Mate, i7-6770K fanless Thermalright HR22, Asus Maximus VIII Gene, 32Gb RAM, NVMe SSD Samsung 960 PRO M.2, 25Gb ext2 /, 1GB swap, the rest is ext4 /home, Vbox Win8.1-64

pbear
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Re: Why those huge useless partitions were allocated?

Post by pbear »

You're missing the point. 87% usage is moving into the realm of impairing the system. Would be a good idea to solve that problem, and might soon be essential. Increase the size of the partition or move something off and mount/symlink back (which makes sense depends on what you move).

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