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

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2
votes
1answer
9 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
votes
0answers
13 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
6 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
35 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
9 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
16 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
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 ...
0
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0answers
15 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
1
vote
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 ...
0
votes
2answers
16 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
votes
1answer
31 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
votes
1answer
24 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
vote
1answer
34 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
votes
1answer
46 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 . ...
0
votes
0answers
23 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?
0
votes
0answers
74 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
votes
1answer
19 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
votes
2answers
161 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
vote
1answer
45 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 ...
0
votes
0answers
24 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 ...
0
votes
0answers
13 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 ...
1
vote
0answers
61 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
votes
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 ...
0
votes
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 ...
0
votes
2answers
40 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 ...
0
votes
0answers
16 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
votes
1answer
11 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 ...
1
vote
2answers
21 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
vote
1answer
32 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
100 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
votes
0answers
31 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 ...
0
votes
0answers
27 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 ...
0
votes
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. ...
-1
votes
1answer
66 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 ...
0
votes
1answer
61 views

How can I make update-manager require less free disk space on root partition

My system contains a relatively small root partion (around 16) and the rest on home. Now my upgrade from 14.04 to 14.10 fails because it needs 8 GB of free space on root but I only have 4 GB and I see ...
1
vote
1answer
39 views

Monitor folder contents changes

I can monitor the content changes of a file using tail -f command Is there a similar way of monitoring the changes of a directory structure the way tail -f monitors file? I have a long running ...
1
vote
0answers
21 views

I have lags when I'm deleting files from desktop with Xubuntu

I have Xubuntu 14.04 and I am experiencing some lags when I work with desktop icons, especially when I'm deleting them. Haven't notice that with Thunar filemanager and in System Monitor couldn't ...
0
votes
0answers
31 views

setup tmpfs on same partition as /etc

I'm using 12.04 LTS. How do I setup tmpfs (I'm assuming this is the tmp directory, please be patient with me I'm not very advanced with Linux) on the same partition as the /etc directory? Current df ...
0
votes
1answer
24 views

How can I view thumbnails of pictures?

How can I copy the attributes of the pictures folder so that I can view thumbnails of pictures on, for example, network drives?
0
votes
1answer
25 views

Best underlying file system type and configuration for HDFS

I would like to reformat a local drive partition and turn it into a partition for HDFS. Which file system would be most performant for running HDFS on top of it? Any optimizations I should take care ...
0
votes
0answers
9 views

chinese floder name is gash when i recived it which created in windows

my chinese floder name echo like this "2014-09-24(yxy)(R-STHRSS20140923-0052)(Çຣ)Ôö¼ÓË«²ãVLANÓëÉ豸¶Ë¿Ú¹ØÁª¹Øϵ" ,file name too. it was created in windows platform,how can i fixed it.
0
votes
0answers
161 views

mtp usage: how to mount and transfer files to and from a Samsung: Galaxy model Android phone

how do I use mtpfs to read/write to a USB connected Android phone, connected as a mass storage device: thufir@dur:~$ thufir@dur:~$ mkdir phone thufir@dur:~$ thufir@dur:~$ sudo mtpfs -o allow_other ...
1
vote
0answers
64 views

Why MTP mounted files belong to root?

Xubuntu Saucy and an Android device running Kitkat. I connect it to my computer and it is mounted as MTP but the files on it belong to root so I can't modify them. Why is this and how can I change it? ...
0
votes
0answers
28 views

The / and /usr merge not implemented in my Ubuntu?

Reading through systemd docs I came across TheCaseForTheUsrMerge. The discussion about this topic dates from around 2012 AFAIK, and the opinion then was that all major distribution would incorporate ...
0
votes
0answers
69 views

Enabling xattr on Ubuntu 14.04

I'm unable to set any attributes on files using xattr -w 'key' 'value' hello.txt I keep getting: [Errno 95] Operation Not Supported: 'hello.txt' My /etc/fstab is: ...
0
votes
0answers
27 views

No more space in File System

These last day i ran out of space on file system, this means, i can't install more updates, packages, and programs. Does someone knows how can i "expand" my space on the File System... 15.6GB are not ...
0
votes
0answers
20 views

Convert filesystem to LVM - blocks

I'm trying to convert and ext4 filesystem to LVM. I found a script called blocks that pretty much automates most of it but am having issues getting it working. https://github.com/g2p/blocks#readme ...
1
vote
1answer
44 views

Large discrepancy between df and du

My / partition which holds everything (including /home), was suddenly using 100% of disk space. I removed a few files and now df shows $ df -h /dev/sda1 Filesystem Size Used Avail Use% Mounted ...