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

learn more… | top users | synonyms

0
votes
1answer
17 views

Can't create files on desktop in Ubuntu 14.04

I accidentally created a desktop shortcut in my home directory. To remove it, I did sudo rm -rf Desktop Now I can't create files and folders on my desktop.
0
votes
0answers
8 views

help resolve fatal error: sys/cdefs.h: No such file or directory # include <sys/cdefs.h>

I am trying to install wrf-chem on my 14.04 LTS and got the following error messages when i tried to run the test below.please help. Test #4: Fortran Calling a C Function (our gcc and gfortran have ...
-1
votes
0answers
11 views

Ubuntu 10.10 “No init found. Try passing init=bootarg” HELP [on hold]

This is on Ubuntu 10.10 that i suddenly have this error saying no int found try passing init = bootarg. Of course i saw all the solutions and tried all that stuff. But when i try to put the following ...
0
votes
0answers
7 views

mount boot camp partition

I have my hard drive from my mac it has a boot camp patition, but the mac is dead. Ubutnu sees the partition, calling it /dev/sdc3 and reporting that it has a basic linux data partition. I tried to ...
0
votes
2answers
184 views

Does the ls command work differently on a (ubuntu 14.04.10) server? I can't figure out how to explore my files

all. Very new to linux, but I thought I understood file exploration from the command line. The problem: I can't figure out how to navigate my files or directories, the console isn't displaying any ...
0
votes
1answer
27 views

extract files from filesystem.squashfs file

I have installed Xubuntu on a USB stick and created some files. Later there was a problem with Xubuntu, so I made a backup and re-installed it. The wayt I made the backup, isn't exacly the right way ...
0
votes
2answers
26 views

Is there a filesystem that writes everything to nothing?

The user case is that a program writes files which I do not want to preserve to a dedicated folder. So is there a filesystem that drops write request but returns OK/done?
0
votes
1answer
26 views

What is the safest method for repartitioning space from the / partition?

I've got a 240GB SSD that I'm using as my boot/applications drive and only have Ubuntu 14.04 installed, so no finagling with Windows or OS X installs. I originally partitioned off 40GB of that 240GB ...
0
votes
1answer
20 views

How to migrate to a newer hard disk?

I am using Ubuntu 14.04 LTS and as I am very new to Linux I don't know how to copy my entire setup to a new disk. I have prepared a 500gb Hard disk drive with 5 partitions. I'd like to move my ...
1
vote
1answer
16 views

Where does CHEESE store its images?

I have taken some pictures using CHEESE, but now I cannot locate those images, so I can do nothing with them. I can't even delete them for the CHEESE GUI does not allow me to do anything with the ...
0
votes
1answer
15 views

Safely move (rarely changing) operating system directories to SSD drive

I would like to move some directories that contain binaries to an SSD drive. How should I safely go about it? /usr /opt Please consider safely emphasized. [14.04.1]
0
votes
1answer
11 views

Saved document doesn't inform user about no-saving the information

I supported a person who received a .doc in Thunderbird as an email attachment, opened it, filled in a form and saved it. But the user couldn't find it anywhere. Thing is that is was saved in /tmp . ...
0
votes
1answer
325 views

Why do I not see my /bin, /var, (etc.) directories in my root partition?

I recently bought a VPS and when I log in as a root user, I dont see the /boot, /bin, /var, etc. directories. Why is this? This is what I see when I use my ls -la command in the terminal. I am the ...
1
vote
1answer
40 views

How can I design one Linux file system? [closed]

In an interview, I came across this question. He asked me "Design a linux file system." He asked to give what all things I would need, Data structures and all. Can anyone help me in this that how I ...
0
votes
0answers
26 views

Increased partition size of virtualbox installation succesfully; can't address extra space

and thanks in advance for reading. So I installed Ubuntu desktop (version 14.4) on my 64 bits Oracle VirtualBox (version 4.3.20). All fine. I gave it 10 GiB's of space. Also fine. Run it on an i7 and ...
1
vote
2answers
22 views

What does the grey slice in disk usage represent?

When I right click on Properties for my ext4 partition I get the following pie chart: The meaning of the blue and white slices are fairly obvious, since they are in the legend to the right, but ...
0
votes
2answers
14 views

Do files under /opt and /var change much other than during software installation?

Do files under the following mount points change other than during software installation? /opt /var Can they be placed on read-only media?
2
votes
1answer
92 views

Does Ubuntu plan to move to btrfs as default filesystem?

Btrfs seems to have a set of useful features such us snapshots and is default in Opensuse and Suse.Fedora plans to move to it. Does Ubuntu plan to move to it? If not, why ?
0
votes
2answers
66 views

Install Ubuntu in dual boot on an encrypted partition

I'm totally new to Linux and I'm trying to achieve something, but I don't know if my plans are okay. I would like to have Windows 8.1 and Ubuntu in dual boot. Windows is on my RAIDed SSDs, and I ...
1
vote
0answers
7 views

How to configure VM to mount filesystem share as writable

Here is my situation. I have a host computer running ubuntu server 14.04 It mounts a dev from fstab: /dev/sdb2 /media ext4 rw,nosuid,nodev 0 0 Permissions on the mounted folder are owner=root, ...
0
votes
2answers
66 views

What is the purpose of the bin directory?

What is the purpose of the bin directory? What are some examples?
0
votes
0answers
26 views

recovery lost data from corrupted file system

trying to restore/backup/save data from a corrupted hdd (windows 7 installed, no boot, no mount). windows just wants to format it and via "computer management -> disk management" its shown as "RAW" ...
0
votes
2answers
28 views

Root filesystem check failed

While updating ubuntu my system crashed and after restarting and entering to ubuntu I get the message Root filesystem check failed.Very much similar to the post Ubuntu 13.04 to 13.10: Filesystem check ...
-1
votes
0answers
27 views

When trying to copy files, Filetype error occurs. What to do? [closed]

I am preparing for Civil Services. And most of my prep material is in my laptop. Today when I switched it on, an error occurred. I panicked and restarted the system. When finally i reached the ...
1
vote
0answers
33 views

Where is the missing hard disk space?

df tells me that the server uses 84% of the HDD it uses. $ df -h Filesystem Size Used Avail Use% Mounted on /dev/xvda1 30G 24G 4.6G 84% / none 4.0K 0 4.0K 0% ...
0
votes
1answer
14 views

What could possibly be changing the access time of old backedup files?

I am using ubuntu 14 LTS 64 bit. I keep backup of my source files in /var/src-backup/. I was examining the access date of all those files and it appears as though the files have been accessed at ...
0
votes
1answer
25 views

Ubuntu Server Var directory deleted

How can solve the problem of accidentally deleted var directory of Ubuntu amazon aws server.My website down right now.Support from amazon is paid service I am new to Ubuntu Hosting and unable to pay ...
1
vote
4answers
79 views

Change visibility of files for non-root users

I have a file that is only visible in root mode. I want to make it visible for non-root users. I added permissions such that the maximum of person can read, write and execute it (even if only read ...
1
vote
0answers
18 views

unsquashing a liveUSB, I found that the filesystem is not identical to the one loaded from liveUSB

so I have ubuntu studio 64 in a live USB and I wanted to change the way it boots. Namely, the liveUSB boots directly to a live user session bypassing lightDM. I want to change that and as I figured ...
0
votes
1answer
27 views

How to change the permissions of the sound devices so only audio users can read and write

Summary: I want to know how to change the permissions of my sound devices so that only my user can read and write to them. I thought this could be accomplished by chmod 0660 /dev/dsp* but /dev/dsp* ...
0
votes
0answers
30 views

lvm VG on boot disk (array) not found with vgdisplay but VM VG seen

I have weird problem with VM server and two raid arrays: OS is installed /dev/sda (raid-5 array) with vg-disk (group?) with id vg_server1 which is created during installation. Later on there is ...
0
votes
0answers
29 views

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
votes
1answer
34 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 ...
0
votes
3answers
48 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 ...
1
vote
0answers
51 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
votes
1answer
31 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 ...
0
votes
1answer
49 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 ...
0
votes
1answer
90 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 ...
0
votes
0answers
9 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..
0
votes
1answer
54 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 ...
0
votes
2answers
14 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 ...
1
vote
1answer
66 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
19 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 ...
1
vote
0answers
31 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 ...
0
votes
0answers
22 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. ...
0
votes
2answers
41 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% ...
0
votes
0answers
20 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 ...
0
votes
2answers
25 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
votes
1answer
27 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 ...
0
votes
0answers
60 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