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

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0
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17 views

What happens after /tmp reaches the limit of tmpfs

Imagine this is the configuration in /etc/fstab (/tmp directory uses tmpfs wih maximum size of 10M). none /tmp tmpfs noatime,nodiratime,size=10m 0 0 I want to know what exactly ...
1
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0answers
20 views

Ubuntu 13.10 to 14.04 upgrade: Filesystem check or mount failed

I had a power failure while upgrading from 13.10 to 14.04 and and ended up with a couple of problems. First I ended up the "system is running in low-graphics mode" error described here and managed to ...
12
votes
5answers
371 views

Using cd command to navigate directories in Ubuntu which have special characters [duplicate]

When I want to navigate into directories having special characters in their names I get an error message. For example: aman@desktop:~/Aman$ cd !)e$!gn&(reate bash: !: event not found ...
1
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0answers
9 views

Trying to move usr and home to usb drive

I'm running Ubuntu through crouton on a Chromebook 14 and since the system only has 18GB of space I want to put /home and /usr on a 32GB flash drive that I will have attached to the system. I have ...
0
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0answers
18 views

btrFS RAID5/6 Understanding space usage and usability

Im currently thinking about experimenting with btrfs with my workload in place of ext4. Right now I have a few drives on order. I want to setup btrfs on the first drive and slowly expand the FS ...
0
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2answers
44 views

Difference between root and home

I download a program from repository and install that. I know we need three partitions for Linux: (1) SWAP, (2) / (3), /home. Also I know /home is like a user profile and / is like a operating system ...
4
votes
2answers
351 views

Cannot mount second drive at “/”

I have a second drive that I want to be mounted at the root. The drive contains the following folders: /home /shared I want those two folders to be accessible at "/". I can mount the drive at ...
0
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0answers
24 views

Installing Ubuntu 14.04 on a F2FS partition

How can I install Ubuntu 14.04 on a F2FS partition? I created the partition with Gparted but during the installation the Ubuntu installer could not recognize the filesystem on the partition.
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0answers
16 views

how to copy a files from other drive to the drive where ubuntu is installed? [on hold]

while copying it is showing There was an error copying the file into /media/joydip/3AF6FC3EF6FBF7C9. show more details: Error splicing file: No space left on device
3
votes
2answers
31 views

Mounting a filesystem?

I know how to use mounting in linux and have used it many a times but I am not able to understand what mount actually means in operating system,its benefits and practical usage? I have searched it on ...
5
votes
4answers
882 views

Ubuntu won't allow to use “/” symbol

I'm trying to rename directory and I need to use "/" symbol but ubuntu won't allow it. Is where any way to "cheat" ubuntu into allowing me to use it?
0
votes
1answer
20 views

Will Window's check disk hurt my ext partition?

I'm a bit worried, my Windows8 started a check and repair disk when I booted. It hasn't done this since I installed lubuntu, is Windows going to destroy my linux because it is an unrecognized file ...
0
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0answers
11 views

inspect a storage device file system structure

I am trying to understand the different file systems ,FAT ,EXT and NTFS .But I think that it is difficult without a way to see and examine with my eyes.So is there a tool that could help me .I mean ...
1
vote
0answers
38 views

How to change the default block allocation policy of a file system?

Every file system has some default block allocation policy. For instance unix file system scatters the blocks of a file randomly on disk while ext2,ext3 allocates blocks of a file in block groups. Is ...
0
votes
0answers
46 views

My Private folder has become empty

I don't really know what happened. I just meant to change all the names of the folders in /home so that the first letter of all of them would be lower case. I did it with the command bulkrename of ...
0
votes
0answers
20 views

Can use of symlinks be circumvented?

I am trying to download Android source from Git repository. I would require a lot of free space on my home folder to download the whole source and build it. So I decided to download the whole source ...
0
votes
1answer
160 views

Can I reuse other OS /home directory for Ubuntu?

I currently have Mint 14 set up on a 128GB SSD, with my /home directory on a 1TB Hard Disk. I am thinking about installing Ubuntu 14.04 when it comes out. I understand that I can select a different ...
6
votes
3answers
282 views

How do I batch rename files?

I have a few hundred files named hortstu01-01-14 then hortstu01-02-14... Do you get the idea? Well half of the files are named hortstu_01-03-14 then hortstu_01-04-14. This messes up sorting the ...
3
votes
1answer
77 views

Why does my filesystem appear to be full to Ubuntu?

I have seen some questions and I know that Ubuntu reserves 5% of filesystem to root. Believe me this is not the case. I was moving some files from my home folder to another partition and I had to ...
0
votes
0answers
12 views

How to deal with low disk space in ubuntu 13.10 [duplicate]

I have installed ubuntu in an external drive in an Ext4 partition, it is unfortunately at the end of the drive. And now I am out of disk space. But I was able to create another Ext4 partition ...
0
votes
1answer
51 views

I changed to Ubuntu, lost my files. How do I get them back?

So as you guys will probably know, the support for Windows XP will be removed. I decided to change to Ubuntu and I already love it! However, I have found a major issue, and have lost all of my ...
0
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0answers
34 views

Trying Ubuntu from live DVD: hangs and/or gives “unable to find a medium…” error

I have an older desktop (general specs below) that I want to "Try Ubuntu" (12.04.4, i386) on using the live DVD before I install. However, I'm having several issues. The first few times, after ...
0
votes
1answer
49 views

Question about install Ubuntu

Today I tried to reinstall my Ubuntu 12.04 LTS through a USB flash, at first time I chose the default partition plan, then I found that there is no /home partition, and I think remount a /home is much ...
2
votes
2answers
69 views

Which of the filesystems supported by Ubuntu is the most resistant to file corruption?

I want to ask wich file system is the most damage and file corruption resistant. I mean the most secure for my data preventing data loss and such in case of a blackout or power failure. For example: ...
1
vote
2answers
58 views

Read only filesystem problem

I created a folder and I did: chmod 777 anotherFolder/ I ran: sudo mount -o loop folder/isoImage.iso anotherFolder/ The permissions of anotherFolder/ changed to "Read Only" and I can not chmod ...
0
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1answer
32 views

mounting partition

I am new to ubuntu. I installed it on 750GB harddisk. My problem is that i am not able to access the sda2 partition of my disk. below is the output of sudo fdisk -l: Disk /dev/sda: 750.2 GB, ...
2
votes
1answer
91 views

couldn't open output file: Read-only file system

I just installed Ubuntu. My problem is I am attempting to write a log file to home. I am using logcat from a python module called adb. When I attempt the terminal command adb logcat -f <path> I ...
1
vote
0answers
13 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
votes
0answers
20 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 ...
7
votes
1answer
287 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?
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votes
2answers
66 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
45 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
votes
1answer
52 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
31 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
votes
1answer
14 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
votes
0answers
21 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
257 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
76 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
30 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
540 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
150 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 ...
0
votes
2answers
47 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
116 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
28 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
964 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
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2answers
323 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
49 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
votes
2answers
36 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.
0
votes
0answers
31 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 ...