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

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Messed up sharing files between Linux 14.04 and Windows7 (dual boot) - Error 0x80070570

I'm new to Linux. Recently, I started dual-booting Windows 7 and Ubuntu 14.04. They are both installed on separate disk partitions and there's an ntfs disk partition (700GB), where I store my files in ...
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2answers
15 views

Mounting encrypted LUKS partition from Live CD

Error to begin with, can't boot I had to do a hard reboot of my computer, and when booting up it (initramfs I think) gave an error: mount: mounting /dev/mapper/ubuntu--vg-root on /root failed: ...
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0answers
42 views

Why the tar file is so big? [on hold]

I created a tar file of a directory. The directory is a few MBs big. The tar file has a size of more than 150 MBs!!! I created the tar file with the command: tar -cf <tar filename> ...
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3answers
28 views

Ubuntu 12.04 Root Filesystem Full

My root filesystem seems to be full even though my /home directory still has a lot of space. Output from df -h: Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg0-root 19G ...
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1answer
23 views

How to format USB stick for car audio system?

UPDATE: The pendrive was for my parents. When I got a chance, I got it formatted from a Windows machine at my friend's house. I can't try any suggessions in the comments or answers, because I have ...
0
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1answer
10 views

Alternative to Thunar that can access Android fs (Samsung Galaxy Tab S SM-T700) via USB

I've spent one frustrating hour trying in vain to get Thunar to access the files ystem of a Samsung Galaxy Tab S SM-T700 via USB. I'm now fed up with Thunar1, and I'm ready to give it the ol' ...
2
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1answer
18 views

Why is g++ installed at usr/bin and not in usr/local/bin

I'm trying to understand the file structure of Linux systems.(At least basic parts). Now, according to this answer, /usr/local - directory is for read-only files installed by the local administrator ...
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2answers
22 views

Is there a default folder for sharing files with other users?

For files that I want to share with all users on a system is there a folder where by default they have read access? If I have to create one, is there a best practice location for it?
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0answers
8 views

How to properly move /home from separate partition into / partition?

I have two logical volume which one is used for / and another one for /home. The thing is now I want to have /home to be not separated from the /. I want to use the logical volume which I use for / to ...
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4 views

High load when playing music files audio or video

Why do I keep getting high loads when I play music videos and audio files? Sometimes the computer hangs and everything stops working because of filesystem corruption and I have to repair it before am ...
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0answers
7 views

// , Why does my .ecryptfs folder disappear?

// , sudo ecryptfs-recover-private and rsync -aP both recognize the presence of my /home/.ecryptfs/nathanusername/.Private directory, and operate on that directory. rsync recognizes it as shown in ...
2
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1answer
25 views

Make/Remove USB Storage Devices as Read Only

I just gave my 32GB flash stick to record the VDO for me. After that, I can only see the stuff in it. No delete or cut. It is set as "Read Only", and basically useless... Apparently this my /dev/sdb1 ...
2
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1answer
32 views

Root partition filling up

Ubuntu just printed the message "Partition "/" almost full. 600MB remaining" I am running Ubuntu 15.04 I have checked the root partition a few times since that occurred and it was filling up more and ...
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0answers
30 views

root file system mounts as read only after some time

My root (/) file system get remounted as read only after the system has been up for some time. This seems to vary from 3 hours to 48 hours. This system is running Ubuntu desktop 14.04. Its primary ...
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0answers
20 views

How to change FileSystem from, msdos to ext3/ext4 on a specific drive

I am relatively new to Ubuntu and I have recently added a new 480Gb+ SSD drive. When I attempted to install a program onto the drive it wouldn't allow it to happen and a error would occur. I ended up ...
0
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1answer
17 views

Where did blender generate the system-info.txt file?

Today I launched Blender and asked it to generate system info as I was curious what this button what do: And after pressing that this came up: I also got this in Terminal: Info: System ...
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0answers
13 views

Recover Directory Links

I've just erroneously launched this command: rm -R symbolic_link_to_dir and now if I go to DIR I can't see the content folders anymore. Fortunately if I enter with my FTP I can see all of the ...
4
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0answers
28 views

Resized VirtualBox VM disk, but when partitioning can't use all new available space

yesterday I've resized a VM Virtual disk from about 15 GB to about 26 GB. If I run fdisk I can check that disk is resized: Disk /dev/sda: 26.2 GB, 26214400000 bytes 255 testine, 63 settori/tracce, ...
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0answers
40 views

Android phone's microSD not useable by Windows 8, after using under Ubuntu

I connected my Android phone (as 'mass storage') to Ubuntu 14.04 LTS. It has a microSD card with fat32 filesystem. Thereafter I logged it to Windows and connected, but my Windows 8 didn't recognise ...
0
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1answer
23 views

windows mount in filesystem

If I mount windows by a GUI means, where is it mounted in the filesystem? From a brief look around, it looks like I can manually mount the windows partition in /mnt or /media, but that doesn't appear ...
4
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3answers
724 views

Why does Ubuntu create a file ending in ~ for every file I create with a text editor like GNU Emacs? [duplicate]

Why does Ubuntu create a file ending in ~ for every file I create with a text editor ? Creating a file with a text editor like GNU Emacs, say myfile, another file called myfile~ is also created. ...
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20 views

Just enabled HFS+ write on Ubuntu. How to write without terminal?

I just enabled HFS+ on a partition from an external drive. I can and write files to it by using sudo on the terminal. However I can't seem to copy files to it using the desktop. How can I work on this ...
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0answers
16 views

How to start services only after BTRFS filesystem has been mounted?

I've been trying to make some services only start after a BTRFS system gets mounted, with no success. I have the following in my service start/stop script: # Required-Start: $local_fs $remote_fs ...
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1answer
27 views

How do I get out of root@ubuntu:~#

I powered off my pcDuino system and now I am getting errors and eventually ending up in root@ubuntu:~#. When I try to "exit" the root super user it only shows my last login on tty1 as being in root. I ...
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16 views

some applications create unknown files with exe and pif extension in external disk and usb stick in wine

I am on Ubuntu 14.04.2 platform. I installed some Windows applications in Wine. I noticed that when I run an application in Wine it creates numerous suspicious random file names with pif and exe ...
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2answers
193 views

How can I discover where apt-get has installed applications?

I have installed 2 development tools named maven and ant using this command: sudo apt-get install maven ant How can I discover what are the installation directories for these tools on my system?
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0answers
36 views

Accessing root files on Ubuntu Phone from my eOS based on Ubuntu. [duplicate]

I'm wondering if its possible to access the root files on my Ubuntu Phone E5 from my computer. I know I can access them from the terminal on the phone but its not ideal using that touchscreen to ...
0
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1answer
39 views

Backup of MySQL database manuelly

in the datadir of mysql are the folders named like the database. If I want to install this database on an other server manuelly, could I copy this folder on a e.g. USB stick and put it on the datadir ...
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0answers
21 views

How can I allow *any* user to write files `/sys/kernel/debug/…`?

How can I allow any user to write files /sys/kernel/debug/...? While creating a debugfs file, I realized that only root on my ubuntu machine can access the debugfs files in /sys/kernel/debug/..., even ...
1
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1answer
27 views

What is this file(bamf-2.index)?

I have found out this file while learning about Ubuntu file system today under the location /usr/share/applications/. What actually is the purpose of this file. Googling doesn't pop up anything I ...
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0answers
30 views

Packaging files into a .deb package

I'd like to package up my program's source code into a .deb package. I've looked into many different packing guides, but all of them suppose that you know where you want your files placed in the ...
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0answers
28 views

Extra folders in /media?

I have a few folders in /media/ and I am not sure why they are there. Two of them are drives I have explicitly mounted in fstab (ssd-linux-data, linux-data), but I am not sure where the other two are ...
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0answers
31 views

Can't mount encrypted usb stick

I had a truecrypt encrypted usb stick, which I decided to reencrypt in LUKS through disk-utilities. I encrypted it, tested if I can mount it and put all my files on it. However, after a reboot I can't ...
0
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1answer
28 views

What is the best HDD format for Ubuntu? [closed]

What is the best HDD format for Ubuntu?
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0answers
50 views

VFS: Can't find ext4 filesystem

I'm using a Ubuntu 14.04 server. There are errors in the /var/log/syslog file, like this: Jun 26 11:25:36 compute4 kernel: [64813.543046] FAT-fs (nbd4): bogus number of reserved sectors Jun 26 ...
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1answer
41 views

Install ubuntu with the command line

I want to install Ubuntu without using Ubiquity. I want to install it through the command line only. Not looking for Ubuntu Server install. Just help on how I can install it through the command line. ...
0
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1answer
59 views

File system root low disk space

I installed Ubuntu Gnome 14.04 a month back. It all worked perfect but after two days I repeatedly got the notification - File system root low disk space 0 MB left. I had installed everything ...
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0answers
18 views

File transfer to virtualBox issue - files have the original URL for a name, all files in the same subfolder

I am trying to get some files onto my virtualBox. I have run into an issue. I tried "dragging and dropping" a folder with many subfolders to my machine, and now all of the files are not organized in ...
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0answers
54 views

read only file system after upgrade to 15.04 with

The problem is occurring when loading ubuntu with systemd. If I'm manually starting with upstart (from boot menu) then everything works fine. I've checked the disk with badsector and I have no ...
1
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3answers
56 views

error removing file no such file or directory

I am not being able to delete certain files with an error no such file or directory. A file on my desktop as well as a file in my movies folder is not being deleted. I am 100% sure the problem isn't ...
2
votes
1answer
244 views

What is upstart and why has it made a 38.1 GB file in ~/.cache

Randomly today I got a "disk is full" dialog, indicating I only had 1gb left on / and this quickly became 100mb of free space. So I ran the disk analyzer and found a massive 38.1 GB in ...
1
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1answer
54 views

How to configure systemd to ignore fstab drive mount failures?

When I have first set up Ubuntu 15.04 (which is first to switch to systemd AFAIK) I was puzzled by why does it only boot some times and then become unbootable (failing to the systemd shell instead of ...
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0answers
13 views

Ext3 Journaling Questions

I was going through Journaling and JBD and wanted to ask you a very basic question for which I was not getting an answer: Why Journal Inode number comes as 8 when we do ./dumpe2fs? So far my ...
2
votes
1answer
46 views

How to view folders with a large amount of files? [duplicate]

I have folder, for example, with 1500000 images. I'm trying to open that folder to scroll through files, look at them and open some that I want to look at in image viewer. But when I open that folder ...
3
votes
2answers
305 views

2015: Is BTRFS stable?

I know, questions like this have been asked before, but I'd like to get some up to date experiences.. From what I've read in various discussions, BTRFS seems like it's relatively stable, but once in a ...
0
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1answer
38 views

How are reserved GDT blocks used after online resizing?

I am working on Ext3 and after looking at FS layout - ext3 reserves ~1024 blocks as Reserved Group Descriptor Table (reserved GDT blocks are between Group Descriptor blocks and Bitmap blocks). These ...
5
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1answer
93 views

An inaccessible directory with a random name has appeared in my home directory

It's name is KAzdyLisjm and when I try to list it's contents or delete it, those operations never return a result. It does appear to occupy over 300MB of space though, according to ls -lh, from the ...
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0answers
25 views

How can I repair my LUKS / ext4 file system?

my computer was running the whole night and my only open windows where IntelliJ IDEA and Google Chrome. Today my file system seems completely corrupted. Linux Mint can't read any files and folders ...
2
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2answers
114 views

Can't mount ISO file as loop device: Error: “failed to setup loop device”

sudo mkdir -p /media/cdrom cd ~ sudo mount -o loop ubuntu-* / mount: ubuntu-*: failed to setup loop device: No such file or directory
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2answers
21 views

Where should I put an executable jar?

Executable files (built programs and shell scripts) normally go in /bin or /usr/bin but what about a jar file? It is a 'program' making me think it should go in bin, but on the other hand it requires ...