This tag is for questions about hard disk space usage.

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1
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3answers
28 views

How to automatically handle low disk space?

Currently one of our prototypes has a very bad caching system. In a matter of minutes it fills up it's harddrive and makes the system unusable. What I need to do then is to restart mysql service to ...
1
vote
4answers
90 views

What command would I use to find out how much total space my hard drive has left?

What's a single command I can run that shows me the total amount of space free on a hard drive? I don't want to do any math, I just want a command that shows me the total free space on my hard drive.
2
votes
3answers
828 views

How to monitor per user disk usage in Linux

I have local disk with 2T capacity attached to a host. Nearly 60 user home directories are stored on this disk. Currently no disk quotas are enabled. I need monitor the disk usage of individual ...
0
votes
1answer
28 views

Where is the space from LVM partitions?

Additionally, output from my df -h command and fdisk -l command. Where and how could I utilize space from my /dev/sda4 and /dev/sda5 partitions? I suspect /dev/mapper/fedora-root to be my LVM ...
27
votes
3answers
47k views

Finding all large files in the root filesystem

I have a linux server, which currently has below space usage: /dev/sda3 20G 15G 4.2G 78% / /dev/sda6 68G 42G 23G 65% /u01 /dev/sda2 30G 7.4G 21G ...
1
vote
1answer
51 views

No space left to free up on rootfs partition to upgrade kernel

I want to upgrade Linux kernel from 3.16 to 4.3. Unfortunately when I run aptitude install linux-image-4.3.0-1-amd64 installation fails due to no space on rootfs partition. 117MB left, 174MB needed. ...
1
vote
2answers
32 views

DF output inconsistency

I moved about 12G files from Linux / partition (to a NFS directory), however it seems that the available size hasn't increased. Here is df result: Filesystem 1K-blocks Used ...
0
votes
1answer
32 views

Disk space full not changing after mount folder on other disk

I have a Virtual Machine setup on azure. I see basic disk was getting full so I attached disk to it and mounted /home/user/mydata folder to the new disk. I forgot to add configuration in fstab. My ...
0
votes
2answers
45 views

No space on the boot disk to update kernel

I have installed centos 7 on vmware and seem to have ran out of space on the boot drive. Is there a way to add more space without formatting the disk? [root@centos7 /]# df -h /dev/sda1 Filesystem ...
1
vote
2answers
31 views

how can I take only file name and size from the du -sh command result

Here is my result: These are my postgresql backup files: But I want to keep only the size and filenames for log file. I dont wanna display directory path. Is there a simple solution? This is my ...
53
votes
4answers
48k views

Reserved space for root on a filesystem - why?

I understand that by default, newly created filesystems will be created with 5% of the space allocated for root. I also know you can change the defined space with: tune2fs -m 1 /dev/sdXY What I'm ...
2
votes
1answer
94 views

Is it safe to strip the binaries in Linux Mint?

I am trying to reduce the disk space on my computer, and du shows that the library directories (/usr/liband /lib) and binary directories (/sbin, /bin, /usr/bin, /usr/sbin) take up the most space apart ...
2
votes
6answers
348 views

Can I use KdirStat over SSH?

I have a headless server running Centos 5.9. I can only SSH into it, is it possible to use KdirStat or a similar tool to get a graphical view of disk usage?
1
vote
1answer
42 views

How to get Proper Out for df -k command

I am facing one issue when using df -k command. I need the result to be in proper format so that I can use it for another purpose. System 1 - I have used this command ( df -k | tr -s " " ) Output 1 ...
0
votes
1answer
12 views

Manipulate du's output to get a custom printout [duplicate]

I typically run the command below to check size on each directory. du -sBM /* | sort -nr | head -n20 However, specifying a block size of "M" here will give everything a value in "M". The problem ...
2
votes
5answers
6k views

What is the /dev/disk/by-uuid/ and why does it use all free space on the disk

I have the following Debian that works in Virtual Box: $ uname -a Linux debian 3.2.0-4-amd64 #1 SMP Debian 3.2.51-1 x86_64 GNU/Linux Recently I notice that I don't have any free space: $ df ...
1
vote
4answers
2k views

awk a specific column with unexpected line break

I can't seem to find a solution for this and it's driving me crazy. I know I can use awk to print a column(s). I'm having trouble printing a specific column though because of the way my file system is ...
1
vote
1answer
18 views

How can I find only the catalogs and sort them by size

How can I find only the catalogs and sort them by the size (human-readable). I tried with find -type d | xargs du -h | sort -rn But something goes wrong. And all the time its sorted by the ...
24
votes
7answers
90k views

Tell fs to free space from deleted files NOW

Is there a way to tell the kernel to give back the free disk space now? Like a write to something in /proc/ ? Using Ubuntu 11.10 with ext4. This is probably an old and very repeated theme. After ...
0
votes
1answer
56 views

df reports 100% full filesystem, du shows only 25% used even though there's no unlinked file [duplicate]

I have strange issue, df shows rootfs is 100% full but du shows it's 25% used. So I check on the unlinked files from the rootfs using lsof +aL1 / and it does not show me any deleted/unlinked files ...
1
vote
0answers
48 views

Siemens NX 10 installation: Could not determine filesystem containing /usr/ugs100

I debug script to install Siemens NX 10 applications for Debian 8.2, and get the warning: Could not determine filesystem containing /usr/ugs100 space calculations may be incorrect. The source ...
2
votes
0answers
50 views

tune2fs - how much space to reserve on large ext4 filesystem

I am aware that there are several questions concerning how much space to reserve on a filesystem using tune2fs -m, but some of the advice is contradictory, some seems to be relevant only to the ...
2
votes
5answers
618 views

How much disk space does a list of files use

How can I find how much disk does a list of files uses? I'm looking for a variation of du -s *.sql I want to see only the grand total, and with the command above, it always shows a line for each ...
88
votes
6answers
125k views

How do I get the size of a directory on the command line?

I tried to obtain the size of a folder (containing folders and sub folders) by using the ls command with option l. It seems to work for files (ls -l file name), but if I try to get the size of a ...
17
votes
5answers
8k views

How to cache or otherwise speed up `du` summaries?

We have a large file system on which a full du (disk usage) summary takes over two minutes. I'd like to find a way to speed up a disk usage summary for arbitrary directories on that file system. For ...
1
vote
1answer
73 views

How to print the total available space percentage on a specific file system in both linux and solaris?

I've searched for an answer to this question and I found that this command: df /dev/sda1 | awk {print '{(100 -$5 )}' | tail -1 | sed '/s/$/%/g' does the job pretty well on my linux system but I ...
1
vote
2answers
53 views

How to ONLY print the number that is being produced from du -sh /home?

I am new at unix systems and I wanted to know how to ONLY print the number that is being produced from: du -sh /home because if I execute that command it will print: 44M /home I only want the 44M ...
1
vote
2answers
46 views

Weird disk usage on Enterprise Linux

I'm little bit worried about this (note the 99% used space in the root): $ df -h File System Size Used Free Use% Mounted To /dev/mapper/scientific-root 50G 50G 735M ...
22
votes
4answers
14k views

Getting size with du of files only

How can I get the size of all files and all files in its subdirectories using the du command. I am trying the following command to get the size of all files (and files in subdirectories) find . ...
0
votes
2answers
26 views

Unix equivalent of `du -sb` to get summarized size in bytes

On Linux using GNU du to calculate the size of directory recursively in bytes I can run: du -sb /etc What is equivalent syntax for BSD du based on the fact that -b parameter is not available?
2
votes
3answers
41 views

Is it possible to keep files on a disk partition without an OS?

I want to switch from Linux Mint to Musix. I want to backup my files and copy them after installation, but I was unable to do this because my only external medium for storage is an 8 Gb USB stick. ...
1
vote
2answers
58 views

`du -b` shows different size than `ls`

I have a directory with a few hundred files (real files, no symlinks, no subdirectories). When I use ls -la and sum up the sizes in Excel I get 287190 bytes(?). When I use du -b or du ...
0
votes
2answers
71 views

Redhat 6.6 root partition is showing 100% full after power failure [duplicate]

I'm running Redhat 6.6 and experienced a power failure over the holiday weekend. The / partition is showing 100% full. How do I check to see which files are actually causing the overusage? ...
8
votes
4answers
29k views

Shell script to send an alert mail if disk usage exceeds 90%

I am new to shell scripting and want to implement a script on my server which will automatically send email alerts if the disk usage goes over 90% and second email alert when it goes over 95%. My ...
-1
votes
4answers
13 views

sort and du together to list file sizes but the output unit is wrong

So I have a large list of files to sort by sizes and this is what I got so far: du -ha /local | sort -n -r | head -n 10 1020K /local/dir/more/dir/filesnames.blabla 1020K ...
4
votes
2answers
8k views

Why do I get fsync() failed: Disk quota exceeded on my linux machine?

I get fsync() failed: Disk quota exceeded but when I use df -h and df -i there is enough space? Any suggestions?
26
votes
8answers
50k views

How do I count all the files recursively through directories

I want to see how many files are in subdirectories to find out where all the inode usage is on the system. Kind of like I would do this for space usage du -sh /* which will give me the space used ...
0
votes
3answers
166 views

Deleting files after booting from a USB drive

I am unable to boot my laptop and, from what I have read, it is due to the disk being full, which in turn is because Evolution downloaded 6000 emails, clogging the system. I can boot from a USB memory ...
2
votes
2answers
52 views

Having trouble making sense of the df command

uname -a Linux CentOS01.localdomain 3.10.0-229.14.1.el7.x86_64 #1 SMP Tue Sep 15 15:05:51 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux Here is the output of lsblk on the centos VM I'm playing with: ...
6
votes
2answers
459 views

Gparted says disk is full but it isn't

I'm on Manjaro and today I woke up to find my computer having problems due to a full disk. I have deleted many things but this did not solve the issue. I have no idea what is happening. Is there a ...
7
votes
5answers
20k views

What's eating my disk space?

I'm running Linux Mint 14 Nadia. The Linux partition has 10G. When the system starts, du reports 80% usage. Then the usage slowly grows until it reaches 100% and the system becomes unusable. (It ...
0
votes
0answers
38 views

Help me with C-shell Script: Disk checking

i am new in shell script. i have given a task to make a C-shell script. I have list of ip address and device name respectively. For example; cal 1 : 100.21.25.10 cal 2 : 100.21.25.11 cal 3 : ...
4
votes
5answers
5k views

From df device name to physical drive name (vendor / type)

Seeing the device name by df, is it somehow possible to resolve it to the physical drive name such as vendor / type. /dev/sda3 915.4G 34.9G 880.0G 4% /share/HDA_DATA /dev/sdd3 ...
6
votes
0answers
105 views

Why is `du --apparent-size` sometimes off by more than 90%?

I'm working on a software that builds Pacman packages (which basically are tarballs with some special metadata files). The test suite builds some packages, then compares the resulting package to a ...
10
votes
3answers
440 views

combine the best of 'du' and 'tree'

I'm wondering if we can combine the honesty of 'du' with the indented formatting of 'tree'. If I want a listing of the sizes of directories: du -hx -d2 ...displays two levels deep and all the size ...
0
votes
2answers
51 views

What's the minimal disk usage of stripped-down Debian 7 installation on a VPS?

I don't have control over the installation of debian, it's a pre-built debian 7 image provisioned by the VPS provider. It consumes about 6.5GB of disk space 'out of the box.' Do you think it's ...
5
votes
2answers
454 views

How do I get the total size of everything in a directory in one line? [duplicate]

I know I can use du -h to output the total size of a directory. But when it contains other subdirectories, the output would be something like: du -h /root/test . . . . 24K /root/test/1 64K ...
1
vote
1answer
42 views

directory size in conky

Conky is a system monitor software. I want to display the directory size of /usr and /var. Unfortunately I did not found any conky command so i made my own. /usr $alignr${exec du -sch /usr | head -n1 ...
1
vote
4answers
112 views

Bash script to list items in directory by size

How do I write a script that for each argument, the script should display the largest item in the directory along with its size. Something like this: [user]$ maxls /boot 2> /dev/null | sort -n ...
0
votes
0answers
24 views

Ubuntu disk space issue [duplicate]

There is some anonymous space consumption on my disk having Ubuntu. When I run the command df -h it shows me that total consumption is 5.4G. But when I run command du -hscx * on / directory it shows ...