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

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After Ubuntu update Unable to install program from cd-rom using Wine

running Ubuntu 14.04. A few months ago I installed a windows program from a cd-rom using Wine. Program worked fine. Now I wish to update the same windows program using an updated cd-rom. Just prior ...
2
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1answer
18 views

To transfer the present ubuntu image to other system

I want my Ubuntu with all installed applications and local files to be transferred to other system, which I ll be dual booting. My present system is also dual booted. I wanted to know if that ...
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3answers
37 views

I'm ubuntu newbie, need help. on Dell 5537

I just got a new Dell 5537 i7 laptop with Ubuntu pre-installation on it. It's my first time to use Ubuntu system. I know may be my questions hav been asked before but frankly I tried to look them up ...
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0answers
39 views

Lost+found folder still present even after reformatting partition - how to remove?

I'm trying to reorganize the partitions on the 2 HDDs that I have on my system. One of the partitions (ext4) is 883 GiB (according to gparted) and apparently has 14 GiBs used. However, if I mount ...
2
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1answer
22 views

Will creating a directory inside a system directory with 777 permission cause security vulnerability?

Can creating directories with 777 permission inside system directories cause any security weakness? For example, say I open a directory called Custom inside /usr/share/backgrounds/ and give it 777 ...
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0answers
18 views

Will mhddfs meet my needs? Or do you have another suggestion?

I have multiple HDDs ranging in size from 30 GB to 3 TB. The majority of them are currently filled to the brim. I will be adding new drives from time to time and want some type of volume management ...
0
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1answer
34 views

Whenever I open my home (~) folder with nautilus, there is an endless loading

Ubuntu 14.04. Kernel 3.13.1-031301-generic. If I change to another folder the endless loading (*) from hard drive stops. I don't have much in that folder. Any idea what might cause that, or how I ...
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1answer
44 views

grub rescue, can't boot from usb

I have ubuntu and windows 8.1 dual boot. Suddenly I got the grub rescue screen. I tried grub rescue > ls command and it lists down (hd0) (hd0,msdos1) (hd0,msdos2) (hd1,msdos1) (hd1) when ...
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0answers
5 views

Is there a Relation be Uboot and UImage?

Can anyone explain me what is a UImage and how it is related to Uboot ?? I understand that UImage is the kernel Image.. But why it is so called and not a Image file..
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24 views

What should I do when my BeagleBone Black root filesystem suddenly turns read-only and won't allow me to execute the reboot command?

I first noticed the problem in nano, when editing some programs, hunting down an IOError issue with a program I was writing: Then, after seeing a feed about hard drive corruption, suggesting to ...
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1answer
38 views

Ubuntu i386 installed with bad DDR2 2GB memory card

After great trial and error, I was able to successfully install the Desktop version of Ubuntu 14.10 i386 on my PC, which is an old DELL Pentium 4 OptiPlex 210L. It was a case where an installation ...
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13 views

Create policy in aufs

AUfs provides three policies to tackle the issue wherein there are many rw branches in the UnionFS. But is it possible to give priorities to the rw directories there by i can select a particular ...
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2answers
12 views

Accessing exported gcode from Slic3r?

I've been using Ubuntu for about a month and am definitely a novice, apologies if this question is trivial. I use a program called Slic3r to create gcode (machine instructions) from stl files for 3D ...
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0answers
15 views

Problem with NIS configuration

I tried to configure NIS in a server and a client both running Ubuntu 14.04 following this guide and this official guide. After a reboot the client machine got locked with this message several times ...
2
votes
1answer
17 views

Can I make a boot drive with my desktop

I want to make a boot drive with all of the system files the same as the files on my desktop. I want to just plug it in and have it boot up with all my settings and files and everything running when I ...
0
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0answers
26 views

What would cause a system freeze from navigation to /proc?

This is really driving me crazy, if I pull up nautilus and navigate to /proc, my system will completely freeze up. The only way to get out seems to be to SysReq RSEINUB, but sometimes even that ...
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0answers
11 views

expanding filesystem

I`m totaly newb in Linux-like systems. Can u help me expand filesystem? Ubuntu server is hosted on Xen. I have some additional space in hypervisor but do not know how to do resize in the system. ...
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2answers
36 views

What is 'None' that shows up in the filesystem in Ubuntu 14.04.1 LTS?

$ df -h S.ficheros Tamaño Usados Disp Uso% Montado en /dev/sda5 36G 11G 23G 33% / none 4,0K 0 4,0K 0% /sys/fs/cgroup udev 1,5G 4,0K 1,5G 1% ...
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0answers
10 views

How to Confirm user group permissions in the current fuse user group

I have created a folder "mtp" in /Media and its /media/mtp. The basic property tells: Type:- Folder(inode/directory) and in Permissions it shows Owner and Group as root. It says you are not the ...
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2answers
18 views

tmp file in root folder with large size/ very long name

As the title, I have this file in root folder and I don't know what it is. Can I safely remove it? -rw------- 1 root root 925M lug 22 15:28 tmpTKb8nhN6ke4IJ bnWrrgcIz-iyhS8H5V ...
0
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1answer
26 views

Why are the MBR and GRUB present as files in the Linux filesystem?

A computer's master boot record consists of raw binary and does not reside on any sort of partition. Legacy GRUB and GRUB 2 are installed to the sectors inbetween the end of the MBR and the start of ...
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23 views

No mountable file systems on Macbook Pro

Downloaded 14.10 to install on a Macbook Pro. Then I get a message ubuntu-14.10-desktop. no mountable file systems
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2answers
21 views

Number pair prefix to config files

I have noticed some config files having a prefix. E.g. Inside my /etc/php5/cli/conf.d: 05-opcache.ini 10-pdo.ini 20-curl.ini ... Could someone explain this? I am thinking something along the ...
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2answers
19 views

Is there anyway to undo wipefs?

So I (very stupidly) performed a wipefs on my XFS formatted 4tb Linux (software) raid 5 array in trying to convert over to a bcache setup (I was following some instructions online and should have paid ...
0
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1answer
36 views

Cannot delete a folder

I have Segate backup + 1TB external HDD recently since 1 month i am unable to copy the files effectively sometimes the copying is 10 kb/s like that. and sometimes iam getting error like Input/output ...
0
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1answer
26 views

chown not working on remote filesystem, other commands (e.g., chmod) do work

I am trying to change the ownership of a file on a remote filesystem, but chown responds with chown: changing ownership of ‘foo’: No such file or directory However, as you can see, foo is there and ...
1
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1answer
38 views

File system went read only after adding ssh key

I followed this guide to set up ssh key on my digital ocean droplet, but since I made step 4 my file system went read-only. I changed /etc/ssh/sshd_config from PermitRootLogin yes to PermitRootLogin ...
0
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1answer
48 views

File creating permission Denied [duplicate]

I have removed Windows 7 and installed Unbuntu 14.04. I have successfully installed LAMP but the problem is that I cannot save a file with a PHP extension in local-server using the Bluefish editor . ...
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0answers
25 views

How to disable LVM for sda?

When I installed Ubuntu 14.04, I check use LVM option. I want to disable LVM for sda, but I don't want to wipe this disk. Is it possible?
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81 views

Unable to create a directory on a mounted file system (FUSE). mkdir: cannot create directory `dirname': File exists

I was trying out the FUSE file system. I downloaded fuse 2.9.3 and installed it to a directory in my Home directory. I did rest of the work as superuser (as I was denied to manipulate the mounted ...
0
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1answer
22 views

Copy a file from one ext4 partition to other

I have two ext4 partition and I want to copy some files from one partition to other in GUI not using terminal, but it does not allow me to do so. It simply a root permission problem. I just want to ...
4
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2answers
167 views

Is XFS a distributed file system or a journaling file system?

Is XFS a distributed file system or a journaling file system? In Wikipedia it says that XFS is a journaling file system, but in the Berkely website they mentioned that it is a serverless file ...
1
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1answer
57 views

Sanddisk drive write protected

My sanddisk usb write protected i tried ashokkrishna@ashokkrishna-Lenovo-B560:~$ sudo mount -o rw /dev/sdc1 /mnt mount: block device /dev/sdc1 is write-protected, mounting read-only # sudo mkfs -t ...
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1answer
33 views

Fat32 mounting as read only

I've edited my /etc/fstab to contain the following: UUID=F285-17E1 /media/TV-1 vfat rw 0 0 UUID=6CBA-1DEC /media/TV-2 vfat rw 0 0 UUID=7D3B-170D /media/TV-3 vfat rw 0 0 UUID=BBFF-1EE4 ...
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0answers
16 views

gdisk before umount -> file system corrupted

I think I did something stupid, but I don't know how to fix it... Please help: I connected a NTFS format 2TB HDD to my ubuntu, and would like to format it to ext4 I mounted it, and copied the files ...
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0answers
84 views

An error occurred while mounting /

for no reason I have not been able to boot Ubuntu 14.04 today. Splash screen at first displayed "An error occurred while mounting /". I tried to do filesystem check: ubuntu@ubuntu:~$ sudo fsck.ext4 ...
0
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1answer
22 views

New File System drivers for ubuntu [closed]

I have done some kernel development previously, simple ones really. I wanted to know what direction I should be looking in to create a custom files system of my own. Most things I have found with a ...
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0answers
30 views

Encrypting filesystems on 14.04

I recently installed Ubuntu 14.04.1 server on an HP ProLiant ML110 which had previously been running 12.04 and which has two additional hard disks containing data in an unencrypted form. I didn't ...
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2answers
41 views

Media Scanner Script

I am a beginner with Bash scripting. I have recently been working on a script to harden Ubuntu computers for a school project. Everything is going well, except that the students are not allowed to ...
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0answers
19 views

Mount disk with write permissions but leave it untouched

I have a raw image that I would like to mount to my system (Ubuntu 12). The problem is that I don't want to write anything to the disk itself, so the raw image will stay as it was before mounted. I ...
0
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1answer
12 views

What file lets me change the directories linked to through the places menu

I'm sure I've edited this before but I've searched around for answers and I can't seem to find what the file was. (ex to change the location of the pictures link under the places menu to somewhere ...
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2answers
22 views

Default to showing and using pathbar in Ubuntu file dialogs?

I have fresh installs of Ubuntu and am trying to get it to default to showing the path bar in file open dialogs. Currently, if I am prompted to save or open a file a file dialog is shown but defaults ...
1
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1answer
34 views

How to Create Virtual Block Devices

I want to create multiple virtual block devices like /dev/sda and then use them to create an md device for test purpose. I have mounted my root filesystem on /dev/sda1 and don't have extra space to ...
2
votes
1answer
105 views

Accidentally partitioned media drive as ext3 during install (was ext4), how can I recover?

I recently did a fresh install of ubuntu on a system with an old ubuntu install. I have a separate hard-drive which used to have a single ext4 partition, but during the install I accidentally selected ...
0
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0answers
35 views

Can't remove or list a file inside Dropbox directory

I tried to delete a directory named .dropbox.cache under Dropbox folder(dropbox was not running or not started yet) with sudo rm -r -f <directory_name> but it results rm: can't remove ...
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28 views

Can't install OR liveboot 14.04.1

At the moment, I'm constantly having "can't find a medium with a filesystem" thrown back at me. This is an improvement from the thousands of squashfs errors I used to get (using a differnet USB drive, ...
1
vote
1answer
17 views

Minimizing effects of large number of files

I need to manage a filesystem with a large number of files (hundreds of thousands). This filesystem is rsynced periodically. The vast majority of files don't change often, but since there's so many, ...
2
votes
2answers
67 views

Directory using more space than expected

I have a directory on Ubuntu that contains 262144 files. Each file is a 25x25 png image. On average these files are approximately 1.14kb and no file is larger than 2kb. Yet this directory is using ...
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0answers
18 views

Windows VBox ubuntu vdi Error: unknown filesystem … grub rescue

Win 2003 Server --> Virtual Box --> Ubuntu 14 After running chkdsk/f on Win 2003 one VM (.vdi) stopped working Error: unknown filesystem. Entering rescue mode... grub rescue> _ And there it hangs. ...
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1answer
69 views

How do I fix a bad /etc/fstab if the hard disk read-only?

I had created a bootable hackintosh usb stick but I found that I had a problem that could be solved by renaming a file or editing another. But the usb stick was read only and, in a moment of ...