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58
votes
14answers
56k views

Determine the size of a block device

How can I find out the size of a block device, such as /dev/sda? Running ls -l gives no useful information.
37
votes
3answers
6k views

What does size of a directory mean in output of 'ls -l' command?

What does size of a directory mean in output of ls -l command?
24
votes
2answers
34k views

How can I increase the number of inodes in an ext4 filesystem?

I had a problem (new to me) last week. I have a ext4 (Fedora 15) filesystem. The application that runs on the server suddenly stopped. I couldn't find the problem at first look. df showed 50% ...
20
votes
5answers
23k views

Find the total size of certain files within a directory branch

Assume there's an image storage directory, say, ./photos/john_doe, within which there are multiple subdirectories, where many certain files reside (say, *.jpg). How can I calculate a summary size of ...
12
votes
5answers
2k views

What is the smallest Linux distribution by installation size? [closed]

I'm trying to run some experiments with Linux and look for the smallest distribution by installation size. (RAM, CPU doesn't really matter)
10
votes
6answers
13k views

How to limit log file size using >>

How can I limit the size of a log file written with >> to 200MB? $ run_program >> myprogram.log
9
votes
5answers
744 views

copy smallest files first?

I have a large directory containing subdirectories and files that I wish to copy recursively. Is there any way to tell cp that it should perform the copy operation in order of file size, so that the ...
9
votes
5answers
6k views

Keep log file size fixed without logrotate

Is there any way to keep file size of log file fixed without rotating it by a new empty file and deleting (or archiving) the old file. For example, if I set log file maximum size to 1MB, after the ...
8
votes
4answers
10k views

Delete files of certain size range

I want to delete files which size is between certain values. For example I have the following list of files: -rw-r--r-- 1 smsc sys 558 Apr 30 13:07 stats.sfe.1.20120430130513.xml.Z -rw-r--r-- 1 smsc ...
8
votes
1answer
1k views

Why could the size of the “dot” file “.” exceed 4096?

Today I found an "empty" directory with a size of 4MB. It had no visible contents, so I tried ls -lah. This showed me some hidden files (not very large). Searching for the reason why the directory ...
8
votes
1answer
2k views

Why is this empty directory 3.5MB?

I've just read this question: What does size of a directory mean in output of 'ls -l' command? ...which doesn't quite answer my question. Basically, I'm moving files onto a NAS. The folders ...
7
votes
3answers
6k views

How can I limit downloaded file size in wget?

I want to use wget (from a php script) to download image files, but don't want to download files over a certain size. Can I limit file size with wget? If not, what is a better way?
7
votes
1answer
614 views

How to re-size virtual disk with installed Linux system?

I've got hard system configuration there and I don't want to re-install it again but I need more space now. Current system space is 30GB. Seems like it's not possible to re-size disk so what I need ...
7
votes
1answer
809 views

Raspberry Pi, serial console, minicom, and gnome-terminal

I'm trying to access my raspberry pi via its serial console on the gpio pins. It's working fine through a USB-3.3v serial dongle. However, there's a problem with long lines and long screens not ...
6
votes
3answers
3k views

limiting size of logfile from a variable

How can I limit the size of a log file, which is saved in the form of 'foo.txt', from within a bash script please? I want to put in the variables 'LOGFILE=50 mb' and it uses that size, or whatever ...
6
votes
2answers
217 views

du command show a slash after directories?

How to use du command show a slash after directories? For example: du -ab /root/test/php-5.4.8/ Result: 1781 /root/test/php-5.4.8/main/internal_functions.c.in 973596 ...
6
votes
2answers
315 views

Determining a CD-R(W)'s capacity

I've seen various questions asked (and answered) regarding how to detect the size of various media on a GNU/Linux system, and in particular how much space has been used on an optical drive. But is ...
5
votes
3answers
2k views

Is there a command to list the compressed file sizes for files within a .zip file?

I'd like to see the absolute size in bytes of each file that has been compressed into single zip file. Having read the zip man page, I'm not sure that that utility can do it. This is on Mac OS X. ...
5
votes
1answer
1k views

find . -size -1GB in Centos

In Centos, I have a text file in my home directory. The command find . -size -1M doesn't show my file but find . -size -1000k does show it. This problem just seems to be happening when I use the ...
4
votes
4answers
444 views

How can I get the size of stdin?

I'm about to compress a large directory and I want to know how large, exactly, the resulting file will be. I've tried using du: $ tar -cv dir | du -h - du: cannot access '-': No such file or ...
4
votes
3answers
8k views

How to Expand LVM2 Partition in Fedora Linux

I've been using Fedora 15 on a VMWare virtual machine. Over time, the disk space I initially allocated for the file system began to run out, only 12GB left. I've expanded the disk space an extra 25GB. ...
4
votes
3answers
510 views

Finding files on a Unix server and sorting by size

I have a web server where I have run out of space and it's causing issues with the WordPress sites I am running on them. I know that I have a lot of large .png files (the fact that it's PNG is a ...
4
votes
3answers
105 views

Find largest files from each date in a directory

I have a directory similar to the following: -rw-r--r-- 1 root root 223K Apr 28 14:25 2015.04.28_14.25 -rw-r--r-- 1 root root 253K Apr 28 14:55 2015.04.28_14.55 -rw-r--r-- 1 root root 276K Apr 28 ...
4
votes
5answers
2k views

How to get folder size ignoring hard links?

I use rsnapshot for backups, which generates a series of folders containing files of the same name. Some of the files are hard linked, while others are separate. For instance, hourly.1/file1 and ...
4
votes
2answers
3k views

Must the filesystem be unmounted while extending an LVM logical volume?

I have seen some tutorials on extending an LVM2 logical volume. None of them instruct you to unmount the filesystem. They claim that you can extend an LVM volume while it is in use. Is this right?
4
votes
2answers
3k views

How to resize an IMG file's partition info?

I made an ISO this way: sudo partimage save /dev/sdc1 /media/56AE8240AE82191F/Backup/xfcefat.iso The resulting iso file is very small but when mounted I see that it has correctly preserved the ...
4
votes
2answers
909 views

`du` get different results on different machines for the same folder

I have a folder(which contains a lot of sub-folders and files) on a machine, I used du -m and it shows the disk usage of all sub-folders and files, anyway, the overall disk usage is 78M I ...
4
votes
3answers
3k views

In SciTe (Scintilla), how can I create Syntax-Highlighting for my own custom language?

I want to create a custom Language, with its own custom Syntax Highlighting. Notepad++ (a Windows SciTe/Scintilla based Text-editor), allowed me to create a custom "Language", and now, in Linux, I ...
3
votes
2answers
2k views

How can I find the actual (dd) size of a flash disk?

When I put a flash disk into a card reader and make an image with dd, I see the actual size of the disk, like 512483328 bytes in the following example: 1000944+0 records in 1000944+0 records out ...
3
votes
4answers
2k views

How to get size of a block special file? [duplicate]

I need to be able to determine the size of a block special file. For example, given /dev/sda, I need a command that will provide the size of the device. (By size I mean capacity, since this is a ...
3
votes
2answers
520 views

Why does find -exec du sum up differently?

I have family pictures and movies in a folder /media/data/Selbstgemacht and I'd like to find the size of all pictures. In /media/data I use find Selbstgemacht -type f -iname '*.jpg' -exec du -ch '{}' ...
3
votes
2answers
511 views

dot instead of comma as thousand separator

I read about --blocksize for ls to get a thousands separator. However my computer gives me dot (.) and not comma (,): $ ls -l --block-size="'1" total 11.893.190.656 -rw------- 1 carlah users ...
3
votes
1answer
587 views

Log file not growing beyond a size. Why?

We have a java based web-app running on CentOS 6.0 64bit and it writes out many log files. Some of the files are rotated on daily basis using logrotate using the daily, copytruncate and other few ...
3
votes
2answers
470 views

Fastest way to get list of all file sizes

I'm trying to create a graph of the distribution of file sizes on my ext4 system. I'm trying to write a script to scrape this information from my computer somehow. I don't care where the files are ...
3
votes
1answer
411 views

HP-UX SZ limit for ps?

Right so I have a fun little thing that I'm deathly confuzzled about. I have a program that is running and I am getting the following: using top: SIZE RES 1639M 359M using ps: SZ 20171 ...
2
votes
3answers
539 views

How to get the distribution of file sizes?

I'd like to know the distribution of file sizes under a certain directory. Please note: distribution of file sizes, not size of a directory. That means I want to know there are 25 files of 60 bytes, ...
2
votes
2answers
52 views

How to display size of each file next to it after executing the “locate” command?

Is there anyway to display the size of each file next to it after executing the "locate" command?
2
votes
2answers
121 views

du command combined with find -mmin

I want to have an idea of how much archivelogs the database is generating daily, so I did: find /u02/archivelog -mmin -1440 | du -sh and got 220GB, which is the total size of all files in that ...
2
votes
1answer
1k views

Disk is almost full on a server with CPanel

I have VHM system and I have a domain and two subdomain on this system. I tried to take a backup than after sometime I cannot access cpanel but I can access VHM. but some of the VHM options gives disk ...
2
votes
2answers
832 views

Resize vdi size doesn't work as supposed [duplicate]

I just installed the new one Debian xfce via VirtualBox, but decided to increase the vdi size from 8GB to 20GB (because it requires 42% of all disk space at this moment): VBoxManage.exe modifyhd ...
2
votes
1answer
1k views

KSH : cp only based on file size

I would like to write a small script copying from a directory A to directory B all the files with the .log extension. So in my directory A, I've : ls : a.log b.log c.log Here is the pseudo-code I ...
2
votes
1answer
152 views

Why is df -h size, util and dispo not corresponding to each other

When I'm using the command "df -h" I'm having the following output : Filesystem Size Used Avail Use% Mounted on /dev/mapper/fedora-root 20G 9,4G 8,8G 52% / devtmpfs ...
2
votes
1answer
82 views

How to list directory/file sizes in general on UNIX-like systems?

In general on a UNIX-like system (Linux, AIX) the following can list file/directory sizes in MByte, even if the filename is starting with a "-": du -sm -- * 2>/dev/null | sort -nr | head -25 ...
2
votes
0answers
137 views

How do I make get-iplayer produce watchable quality without huge filesize?

Summary findings: I'm using get-iplayer v2.82. The files I produce on hard drive are all mp4. I've discovered the following (downloading same TV program in both cases): Using --modes=flashstd and ...
2
votes
0answers
97 views

How can I make Krusader show real size of symlinked files?

In the "size" column in Krusader, there is a link's size noted, instead of the size of the actual file. This is the same as what ls -l shows (the full address of the target file, e.g. 64 B instead of ...
2
votes
0answers
93 views

Directory size as reported by stat on NTFS

We all have seen gazillions of directory size reports from ls or stat. We know they don't mean real size of the content, but they do have meaning, but since the meaning is not very useful for normal ...
1
vote
2answers
750 views

LINUX: How to calculate recursively the size of each sub directory up to root directory?

I have written this script Scrit in Linux. I now need to know the size for each sub directory with the condition -atime +${DAYS} searching down from directory $DIR. The result should be gathered in ...
1
vote
2answers
39 views

How do I get size of (deb) file from download link/URL?

I use --print-uris of apt-get to get url (download-link) of debs I want to download and install on my Debian (Trisquel) GNU/Linux. --print-uris Instead of fetching the files to install ...
1
vote
2answers
38 views

Script to Compare the “file size” with “last name of file” and if unmatched delete the file

In my environment, we'll be receiving files from clients into our Sftp. Sftp process the files, and move it to another tool, by appending the file size at the end of the file name. For example, ...
1
vote
1answer
391 views

brasero.toc.bin is very big — why?

I have a file in my home directory: brasero.toc.bin, which ls gives as: -rw-rw-r--. 1 Harry Harry 633M 2013-09-26 15:53 brasero.toc.bin in fact it is the second largest file listed, only sdc at ...