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Old 08-07-2018, 02:47 PM   #1
eco_bach
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[ubuntu] File partitions and memory management


Ok so running the command

$df -h

returns the following

Quote:
udev 32G 0 32G 0% /dev
tmpfs 6.3G 2.4M 6.3G 1% /run
/dev/sdc2 40G 36G 1.4G 97% /
tmpfs 32G 187M 32G 1% /dev/shm
tmpfs 5.0M 4.0K 5.0M 1% /run/lock
tmpfs 32G 0 32G 0% /sys/fs/cgroup
/dev/sdc1 549M 5.8M 544M 2% /boot/efi
/dev/sdc3 630G 94G 505G 16% /home
tmpfs 6.3G 56K 6.3G 1% /run/user/1000
How do I free up space in /dev/sdc2? ie How to determine exactly which files are taking up the most space?
 
Old 08-07-2018, 03:23 PM   #2
Rickkkk
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Quote:
Originally Posted by eco_bach View Post
Ok so running the command

$df -h

returns the following


How do I free up space in /dev/sdc2? ie How to determine exactly which files are taking up the most space?
Hi eco_bach,

Your /dev/sdc2 is your main system (root) directory (notice that it is mounted as "/"). You have allocated 40GB to it, which should normally be sufficient.

A useful GUI program for illustrating disk usage is Disk Usage Analyzer (formerly baobab) - available on a wide variety of distros and I believe included standard with Gnome. I suggest you install the package provided in your distro's repositories (if not already installed) and run it to identify directories and files taking up the most space.

Cheers.

Last edited by Rickkkk; 08-07-2018 at 03:29 PM.
 
Old 08-07-2018, 05:32 PM   #3
lougavulin
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You could first check if some blocks are reserved for root :
Code:
tune2fs -l /dev/sdc2 | grep "Reserved block count"
And try to see which files are the biggest (10 biggest here) :
Code:
find / -xdev -printf '%s %p\n'| sort -nr | head -10
 
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Old 08-08-2018, 03:06 AM   #4
AwesomeMachine
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Another command to find gigabytes large files and directories is
Code:
$ du -m -h | grep G
 
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memory management, partitionssize, ubuntu 18.04


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