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39
votes
4answers
9k 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?
31
votes
5answers
52k 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% ...
72
votes
16answers
80k 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.
2
votes
1answer
190 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 ...
4
votes
3answers
603 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 ...
10
votes
5answers
7k 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 ...
4
votes
2answers
1k 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 ...
37
votes
6answers
47k 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
961 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 ...
13
votes
6answers
18k 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
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 ...
4
votes
2answers
5k 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
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 ...
1
vote
2answers
1k views

Free disk space from a JBoss log file which is still being written to

Is there any locking on the content, imposed by the process if at all the process is using the file. We host a JBoss app server on a RHEL 6.4 OS and due to the disk space constraints we have decided ...
1
vote
0answers
2k views

How to set up screen resolution permanently

I just installed Fedora 19 on a VirtualBox and when I started it for the first time it only allowed the screen resolution 1024x768 After some research I managed to install the guest additions and I ...