Questions dealing with Ubuntu's layout of files, permissions, and files that reside in special locations on disk.

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1
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0answers
17 views

files are hiding automatically in between Ubuntu 12.04 and windows 8

I have installed both windows 8 and Ubuntu 12.04, in separate drives. i am using 2 other drives commonly between 2 OS to store the data. if i copy or use those files with Ubuntu,later if i tried to ...
0
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0answers
22 views

Got a corrupt BTRFS partition, but is still usable, how to convert it to ext4? [duplicate]

I've got a corrupt btrfs partition, and also because of its low speed, I am thinking of 'converting' it to ext4, how can I convert a root partition from btrfs to ext4 without loosing the ability to ...
9
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1answer
2k views

What is the role of the .ICEauthority file?

When I listed files in my home directory, there was a hidden file named .ICEauthority. What is this file, and what is its role?
-1
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2answers
243 views

How to create symbolic link to a directory excluding certain files?

I want to create a symbolic link from my home directory to Dropbox, excluding Videos. This is what I know: ln -s /home/pt/ '/home/pt/Dropbox' What should I do? What will happen if I'd like to ...
1
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0answers
172 views

Ubuntu 12.04 ext4-fs error/inode

I am running a Dell PowerEdge T420 with Ubuntu 12.04 32bit. The hard drives are a RAID1 setup. Last week, I began getting errors that cause the build I am running to fail. I found this in the log ...
0
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0answers
3 views

Distributed share storage across WAN

I'd like to build something which looks like "BranchCache" in Windows Server with Ubuntu. That is : - publish/share a folder on an Ubuntu Server in site A - have a user located in site B access the ...
0
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1answer
184 views

btrfs - did I just turn RAID1 into RAID10?

I set up a btrfs partition using two 3 TB drives in RAID 1: $ mkfs.btrfs -m raid1 -d raid1 /dev/sdd /dev/sde $ mount /dev/sdd /media/media Copied a bunch of data onto the partition, with the ...
0
votes
2answers
49 views

Can't find copied files

I used cp to copy files to a directory which didn't exist. I have no clue where they went to, and the worst part is it filled up my primary 120gb ssd so I can't make any changes to anything. Where ...
0
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1answer
17 views

Format Filesystem to work with seperate boot and data drives

I am building a PC and was going to use a small SSD to hold my OS and a larger hard drive to store my files on. I was wondering if there was any way for me to move my home folder or mess with my ...
0
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0answers
62 views

The number of file descriptors is limited by your shell

i am trying to start Informix server. i am getting error when i run command ./oninit .error is The number of file descriptors is limited by your shell . can any one please guideline how to remove ...
3
votes
2answers
289 views

Delete the parent folder keeping the contained files?

Is it possible that if I have this: /folder1/folder2/folder3 /folder1/folder2/file1.txt Can I delete folder2 but keep its content? So the result would look like: /folder1/folder3 ...
5
votes
1answer
94 views

What is the significance of permission of `/etc`?

Trying to replicate the problem described in "/etc/profile permission denied!" where OP of the post in her comments mentions the permission string for her /etc directory being drw-r--r--. I issued ...
3
votes
1answer
44 views

Is there an Ubuntu version of Windows' 'System Refresh' option?

Windows 8 allows users to reinstall the operating system without removing documents, music, and pictures (basically, without removing the home folder); is there a similar function available in Ubuntu? ...
13
votes
2answers
568 views

How to see the contents of a file with blank filename?

drwxrwxr-x 2 ubuntu ubuntu 4096 Mar 19 07:30 xxxxx -rw-rw-r-- 1 ubuntu ubuntu 580 Mar 20 07:24 -rw-rw-r-- 1 ubuntu ubuntu 27137 Mar 20 09:10 xxx.js Here there is a file on the second line but ...
9
votes
3answers
163 views

Delete directory indirectly inside of itself

I have a directory inside itself. How do I delete it. ~/.local/share/Trash/files$ ls devices/ reg-dummy ~/.local/share/Trash/files$ ls devices/reg-dummy/ subsystem ~/.local/share/Trash/files$ ls ...
14
votes
4answers
3k views

Why is moving directories to /dev/null dangerous?

When trying to move a test_dir directory to /dev/null, I get the message mv: cannot overwrite non-directory ‘/dev/null’ with directory ‘test_dir/’ Then why do people say "Don't run the command sudo ...
0
votes
2answers
53 views

How do I add a new user with specific configuration files?

I am new to Ubuntu and *nix OSes. I have just installed the latest stable version of Ubuntu on my computer. During the installation process, I created a user account. Let us call it N1. Just to try ...
5
votes
2answers
136 views

How can I know which folders are created by which program?

I have /usr/share/gtksourceview-2.0/ and I think it maybe due to Mousepad or Geany or Medit text editors. But how can I know for sure without uninstalling them and reinstalling one-by-one? (I don't ...
1
vote
0answers
60 views

Resizing Xubuntu patrition

Ok, here is the problem. I have a Xubuntu in Virtual box. I have resized the machine HD and added the missing space using GParted to the patrition as seen in this picture: After resize the new size ...
11
votes
2answers
1k views

How does linux handle a move command

How does linux handle a move command under the hood? Let's say I move my home dir /home/me and I move this into another directory /home/foo/me How are all the files and directories paths under ...
0
votes
2answers
629 views

How can I get Windows files from Ubuntu

Is it possible to get the files I had on windows onto my Ubuntu desktop? How can I connect to windows partition from Ubuntu?
0
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2answers
55 views

directories for dummies [duplicate]

I am VERY new to UBUNTU. I am trying to learn how to SRM a file, however I need to know how the directory name in order to type it out in the terminal. Can someone please help me figure out how to ...
0
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2answers
55 views

How do I recreate /dev/shm after removing it by mistake?

I'm running Ubuntu 13.04 and I removed by mistake few folders from /dev/. As a result i have some problems with some applications like Chrome, which is not able to work.
1
vote
1answer
104 views

ecryptfs mounts as read only

I did the following (http://haridas.in/how-to-put-encrypted-contents-on-cloud-storages.html), and after mounting, the mounted dir is read-only filesystem: I created two dirs: one to /home/user/dir1 ...
0
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0answers
83 views

Ubuntu 12.04.4 ext4 filesystem, excessive overhead

I'm experiencing a baffling problem with two 12.04.4 servers I've just installed - there is what appears to be excessive file system overhead for anything I save on its folders; for example, a single ...
2
votes
1answer
42 views

Inconsistent parent directory of all symlinks

A large portion of my system depends on symbolic links, so this is a very serious problem. I do something like the following cd mkdir test mkdir other cd test ln -s ../other/ # So ~/test contains a ...
0
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0answers
178 views

error: unknown filesystem; grub rescue

yesterday there was a power failure at my house and when i turn on my desktop, i had problems with user permissions on linux. I restarted linux and then, while booting, it gave me that error described ...
0
votes
2answers
87 views

How to create a file even root user also can't delete? Is there any possiblities?

Is there any way to create to a file that root user also cant delete?
0
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0answers
51 views

how to make the compressed filesystem smaller

I'm trying to make an image of my currently installed Ubuntu using relinux. I'm working on Ubuntu 12.10 and my machine is dell inspiron I've followed this video ...
1
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0answers
42 views

Files not readable on Windows

I have a video server running Ubuntu 12.04.3 LTS, which works fine for what I need it to do. Although, as it is a video server from which I stream movies to my Windows machine, that's what I expect ...
0
votes
0answers
37 views

wrong file system type passed to fsck

My Ubuntu hanged today while it was downloading, as it was unresponsive for long i shut it down forcefully . Later when i switched it on, it was not coming up so i used a live cd to fix the file ...
2
votes
2answers
42 views

Where can I find the directory structure and important files paths explained?

Server only therefore console only. I assume it must be somewhere in /usr/share/doc/ ? http://www.pathname.com/fhs/ (Filesystem Hierarchy Standard)
1
vote
1answer
100 views

Ubuntu server with btrfs root and confusion with the @ symbol in subvolume path

Please note the following commands: user@ubuntu:~$ sudo btrfs subvolume create /srv/audio Create subvolume '/srv/audio' user@ubuntu:~$ sudo btrfs fi show Label: 'BTRFS_STORAGE' uuid: ...
0
votes
0answers
54 views

My encfs folder three times larger than original

Recently I've noticed sudden grown of size of my encfs folder. Size of data 2.3 Gb, size of encfs folder is 6.6 Gb. What could cause this? This is how mount output looks like: /dev/sda6 on / type ...
0
votes
1answer
570 views

Value too large for defined data type

I need to burn a ISO (3.3GB in size) using Brasero using my Ubuntu machine, however when I try to do it which the ISO is saved in my Portable USB Drive with NTFS file system, Ubuntu 64-bit says: ...
0
votes
1answer
63 views

How to remove the preview image on video and picture files in foldes?

I would like to have that setup like in windows where just the file names are showing and not any small picture of the image or video preview of the file. this is all when browsing in folders :) ...
0
votes
1answer
45 views

How do I guard ubuntu for power outage?

I develop industrial equipment with embedded PC and Ubuntu 12.04.3. Web server(apache) and DB(sqlite) running automatically when I turn on this PC. User can't shutdown in the correct sequence. ...
0
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0answers
62 views

Linux name sorting order?

In Windows I could name a folder foobar as _foobar and it would appear on top of a sorted list in the file explorer. What prefix should I use for the same effect in Linux. And what is the default ...
1
vote
1answer
71 views

how to mount file type

I have recently imaged some floppy disks to img files. the disks had some bad blocks. So I am trying to figure out the File system type, so that i can mount, and repair the files. I tried $ sudo ...
4
votes
2answers
8k views

Which is better for a home media server: zfs or btrfs or LVM/md? [closed]

I'm looking at building a new home server and would like a flexible filesystem. Both btrfs and zfs are interesting. I want to be able to do soft raid and have flexible solution allowing me to expand ...
1
vote
2answers
170 views

How to unmount when umount hangs due to disconnected disk?

I have an external disk connected via USB that was accidentally disconnected uncleanly. Now lsing the directory in which it was mounted gives Input/output error. umounting the directory simply hangs. ...
0
votes
0answers
111 views

Datarecovery Attempt to read block from filesystem resulted in short read while opening filesystem

I have following problem: i accidently deleted some files on my ubuntu. When i try to use debugfs to recover my files i get following error: Attempt to read block from filesystem resulted in short ...
0
votes
0answers
13 views

Finding out what files are missing on my computer

Something weird has happened to my Ubuntu and some files are missing. Syslog says: syslog Now I wanna find out what files are missed or preferably even damaged. I think there must be some way doing ...
0
votes
0answers
82 views

Problem after last update2

After install last update I can not open my Download folder it closed automatically. Sys Log is 8 sandipan-020283 kernel: [ 705.231744] show_signal_msg: 147 callbacks suppressed Feb 23 14:31:48 ...
0
votes
1answer
35 views

Resize Partitions on A Remote Server

I have two partitions, one is about 1.8TB (home) and the other is 20GB (root). I want this to be the other way round, 1.8TB (root) and 20GB (home). I've been reading for some time, but am struggling ...
1
vote
2answers
120 views

Ubuntu 13.10 - No Ext2/Ext3 Available

I need to make a DCP (digital cinema package) for a short film of mine. Digital projectors read ext2 or ext3 formatted drives best, so using a Mac I put Ubuntu on a CD and have been booting up the ...
1
vote
1answer
17 views

Does encrypting home folder during the installation also encrypt other user's home folder after the fact?

If I were to select the option to encrypt my home folder when installing Ubuntu, then does Ubuntu automatically encrypt other user's home folder that I create after I installed Ubuntu?
2
votes
2answers
60 views

How can I get a list of all folders and files opened in last month?

How can I get a list of all folders and files I opened in the last month? Preferably in the command line, with the date included. I am newbie on linux by the way. Thanks
15
votes
3answers
481 views

5.25" floppies won't mount

I have received some research that is on 5. 25" floppies. My mobo supports 5. 25" disks, and, I have the disk drive. I am not trying to use this media long term, I just want the research data. Update ...
0
votes
0answers
35 views

Cleanly shutdown on read-only root partition - cant sudo

My /dev/sda dropped out for some reason on my server box (12.04.4). This made Ubuntu remount it as RO which is fine but now I cannot shutdown the system cleanly. Is there any way to deal with this? ...