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

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File not modified, Problem in saving JS file UBUNTU

At 13/08/2014 2.30pm I saved my file named script1.js. And OS was Ubuntu 14.04 tasty tahr. Text editor was sublime Text and browser was google chrome. It was containing more than 500 lines of code. ...
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0answers
9 views

Is there a filesystem with caching and location-awareness?

Is there a way to setup a filesystem spread on 2 machines A and B in the following way? A and B are not on the same local network. Connecting to any machine shows the same files Writes to any ...
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2answers
74 views

14.04.1 report “zero” kilobytes of disk space

I have a 400g sata external drive as a backup for /home. I use the default backup app from Ubuntu named: "Backup". The bu drive connects to the 'puter via sata cable. When I powered the drive up today ...
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1answer
449 views

Partition and file system scheme for Win 7 and Ubuntu 14 dual boot with UEFI and GPT [closed]

After looking through a lot of different guides and information on this site and others, I have a basic idea of a partitioning scheme to use for a dual boot Ubuntu-Win7 machine but I'm not so clear ...
2
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1answer
222 views

Most stable filesystem to create a usb startup disk?

I don't care about compatability or speed; I just want stability, that it is quick to respond, won't wrestle with me when I need to unmount it, etc. Ext4, btrfs, xfs, or what?
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0answers
26 views

What is the equivalent of the following directories in relation to windows for ubuntu? [duplicate]

I'm still learning the linux file system and understanding where everything is installed. I'm coming from windows mindset and would like to wrap my head around the following directory equivalents: ...
3
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2answers
372 views

Accidentally deleted /opt, how do I create it again?

I am new to Ubuntu, today I was learning how to delete files and folders but accidentally I deleted the /opt directory that located in Computer. I don’t know if what I deleted is important or not. So ...
0
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1answer
51 views

remove files on NTFS with \n in the filename

I was moving files using Windows (had to at that time) from one NTFS partition to another but the computer switched off. Some files have been transferred, but some remain. I'm not able to delete them ...
2
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2answers
2k views

Loop through all folders and executing script

I have a bash script install.sh in my current directory and I have a directory apps which contains multiple directories. I want to loop through these sub directories in app folder and execute some ...
1
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1answer
43 views

What are the best default locations for specific file types?

For an application I created, I am trying to find the best folder locations. I installed the application, as suggested by documentation, in /usr/share/company_name/product_name, save a config.ini file ...
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0answers
754 views

“No root file system defined” error while installing ubuntu

I am not a computer techie. I installed Ubuntu side-by-side with Windows 8.1 on a Lenovo laptop but I keep getting stuck at an error 'No root file system is defined, please correct this from the ...
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0answers
248 views

Error: Unable to access jarfile spl.jar for stanford portable library

I'm trying to install the Stanford library for Harvard's CS50 but I'm running into a few problems... I've got the .h files in usr/local/include/spl and I've got the libcs.a in usr/local/lib but I'm ...
0
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1answer
428 views

How do you restore an encrypted hard drive? Password being available

Installed by Ubuntu 14.04 LTS Installer: I have installed Ubuntu 14.04 LTS Desktop onto my notebook PC, and I made a wrong decision to alter the file ownership and permissions from the root drive as ...
0
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1answer
343 views

Corrupted filesystem - unable to mount /home

Ubuntu 12.04 is not able to mount /home partition and I run: fsck /dev/sda5 which is in state Pass 1D: Reconciling multiply-claimed blocks (There are 41608 inodes containing multiply-claimed ...
1
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2answers
928 views

Linux dropfolder where users can't delete files

I am working on a file server project for school and I am using samba to share the folders. I have been playing around with the folder permissions but I can't seem to figure out how to make a drop ...
1
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1answer
462 views

/var/log taking up 8.9 GB! What should I do? [duplicate]

I am running Ubuntu 14.04 on my ASUS N550JV laptop. Just today I got a pop-up notification telling me that there were less than 100 MB in my root partition. I checked it and find /var/log is taking up ...
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0answers
14 views

/etc/../run and /run have different i-node. How can I safely resolve this issue?

My system shows different inode for /etc/../run and /run. $ ls -iald /etc/../run 393217 drwxr-xr-x 2 root root 4096 sep 6 19:18 /etc/../run $ ls -iald /run 9221 drwxr-xr-x 31 root root 1060 sep 25 ...
1
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1answer
49 views

How can I get rid of /etc/../run?

For some reason (most probably happened during an upgrade more than one year ago), my system has a directory called /etc/../run (strange, right?). It is empty but I cannot remove it: $ ls ...
1
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1answer
57 views

When deleting a lot of files everything is very slow

I don't know this is a bug or just a limitation of hard disk -- when trying to delete a lot of files (e.g. empty trash directory when it contains lot of files), everything becomes very slow! From ...
3
votes
1answer
48 views

What are the layers between Nautilus and a removable storage device?

My question is somewhat large, but I couldn't figure out how to break it down without ruining it. There doesn't seem to be a very good (functioning) way of mounting a Nexus 4 in Ubuntu, so I was ...
0
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0answers
144 views

File errors on Ubuntu 12.04 OS

I am getting FPDMA READ failed errors during Ubuntu bootup. Has the hard drive gone bad? dmesg output: [ 4.912493] ata1.00: exception Emask 0x0 SAct 0x10600624 SErr 0x0 action 0x0 [ 4.912509] ...
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1answer
18 views

Retrieve data from a FreeSpace volume [previously ext4 volume]

Morning, Afternoon, Evening, any thing you wish. I'm using an HP-ProBook 4540S 750 Gb HDD 4 Gb of memory Intel Core i3-3110M CPU 2.40GHz x 4 I'm a software developper,so I use to install 2 Ubuntu ...
1
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1answer
15 views

file missing, help with recovery

I have Ubuntu 12.04 LTS with Windows 7 as dual boot. While on Ubuntu, I was using files and folders from the windows partition. I made a folder in the windows partiton, copied in it a ".docx" document ...
0
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1answer
596 views

How can I get rid of “scanning for btrfs filesystems” at start-up?

When I start up my computer, it says: "scanning for btrfs filesystems". I do need the btrfs-tools, but my btrfs filesystems are on a removable disk which is disconnected at start-up. Scanning for ...
1
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1answer
22 views

What are the system created files in $HOME?

I'm writing a home backup routine and want to omit certain files and directories from everyone's home folder. I'm planning to omit all of these, but here's the question. What are they used for? ...
0
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1answer
55 views

Why can't all the mount point in root directory changed to /mnt/temporary & /mnt/removable? [closed]

It seem a obsoleted in the root directory with all the mount point. For example: /cdrom /media /mnt So, why can't it change to something like this: New Hierarchy: /mnt/temporary #Can short it to ...
0
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1answer
93 views

sharing drives, folders, and files between kububntu and windows running in virtualbox

am running kubuntu as my host and running windows 7 inside virtualbox. so far everthing is running fine, but as yet cant get it to let me share external drives, any folders or files on any of the ...
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0answers
336 views

Boot-tasks are being executed twice after upgrade to 14.04

after a distribution upgrade from 12.04 LTS to 14.04 LTS I noted that the boot-process took longer than it should. I took a look at boot.log and saw that some boot-tasks have been executed twice. ...
2
votes
1answer
82 views

What is the role of /proc/fs/jbd2/sda6-8/info in Ubuntu?

I am using the Ubuntu 14.04. Today I was going through the file system and I found that in the file at /proc/fs/jbd2/sda6-8/info following thing mentioned. 9286 transactions (8421 requested), ...
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2answers
56 views

file system associated with /var?

while reading about linux,I got the following: The /var directory may be put in its own filesystem so that growth of the files can be accommodated and the file sizes do not fatally affect the system. ...
2
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0answers
299 views

orphaned inodes on root file system (ext4); persistent problem

On my trusty systems (VMs under vmWare, desktops, and laptops), we have the following issue. The root file system seems to have inodes that are never marked as "free". After a month of a working ...
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2answers
110 views

Difference between /usr and /home from installation perspective

I am not a pro in Linux and I was thinking that where does the files get stored when I do apt-get install. I understand that different linux distributions do things differently, but I am taking a ...
1
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1answer
45 views

Two Volumes? Want to Merge!

I apologize ahead of time for how confusing this may be. I am very new to things such as partitions, disks, and hard drives. When I installed Ubuntu there were two options, install on a 24 GB HD and ...
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0answers
44 views

Grub “unknown filesystem” Boot-Repair didn't find a solution

after booting my PC yesterday I encountered a Boot-Error and only the grub rescue prompt. error: unknown filesystem. After searching the Internet I booted into the Boot-Repair and tried the standard ...
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1answer
389 views

How to format a HDD in ubuntu 14.04

So i recently switched to Ubuntu from Opensuse, and i'm loving it. There's one problem though. I've found that the control centre is minimalistic (to say the least) and, coming from a guy with Yast2, ...
1
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1answer
268 views

Macintosh HD will only mount ro, because it is journaled

A little history first, I've installed 14.04 on another partition of a MacBook 5.1 because of a completely botched Mavericks upgrade which has left OS X unusable. I had to use rEFInd to get it to ...
1
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1answer
464 views

what does device node 'none' means in file system?

when I tried $ mount command on my system (14.04 LTS), I found some of the results like... none on /sys/fs/cgroup type tmpfs (rw) none on /sys/fs/fuse/connections type fusectl (rw) none on ...
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1answer
171 views

what are the specifications a mount command provide?

while reading about linux I got the following.. Typing mount without any arguments will show all presently mounted filesystems. when I tried this on my system , I got.. anupam@JAZZ:~$ mount ...
2
votes
2answers
137 views

How do I combine hundreds of folders using command line

I have 535 folders (recup_dir.1, recup_dir.2, ..., recup_dir.535) and I want to merge (combine?) the contents of those folders into a single folder (lets say a folder named recup_dir). Some files ...
0
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0answers
80 views

Computer randomly wen't into read only filesystem

I was just typing in AbiWord and opened up the filesystem and realized everything had the 'lock' image over it. So I opened the terminal to run an update to see if everything was alright and just as I ...
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0answers
52 views

Understanding result of sudo fdisk -l

Please help me decipher the following terminal response: sudo fdisk -l Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors Units = ...
0
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1answer
528 views

Unable to mount cifs with iocharset=utf8 in trusty

When I try to mount a cifs share with option iocharset=utf8 I receive the error: mount error 79 = Can not access a needed shared library. What shared library am I missing?
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90 views

Unable to mount gfs2 in 14.04

I've installed gfs2-utils 3.1.6-0ubuntu1. The package has a broken symbolic link, /usr/sbin/gfs2_mount, which points to a non-existing /sbin/mount.gfs2. Therefore mounting fails with 'unknown ...
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0answers
29 views

Is ext4 position independent and movable?

Does the data in an ext4 filesystem refer to absolute positions on the disk, or is it all relative to the start of the specific partition? I want to know this because I want to move an ext4 ...
9
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1answer
435 views

use of * in file searching

while reading about linux file searching I got the following... To search for files using the * wildcard, replace the unknown string with *, e.g. if you remember only that the extension was .out, ...
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1answer
37 views

is source code for bash sufficient, when I want source code of ext4?

when I want to know the source code of ext4-filesystem (mkfs.ext4) - is it then sufficient to download the source code for bash ? - or do I need else source-codes after I did : sudo apt-get ...
0
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1answer
36 views

Disk Usage Analysys..

On my virtual Ubuntu Desktop (HD: 300 GB), Disk usage analyzer shows: and the df-l command shows: This is strange! If the root consumes only 59.6 GB, How the filesystem capacity says it uses ...
0
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1answer
123 views

No root file system

I have almost the same problem with the link below. "No root file system defined" error while installing ubuntu In my part, I had a problem with my drive about bitlocker key. I didnt have ...
0
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0answers
372 views

mount: unknown filesystem type 'LVM2_member'

I am having mysql in /home and /home partition automatically unmounts at reboot. If I try to mount, it mounts but shows unknown filesystem. If I mount it forcefully by providing filesystem, it mounts ...
2
votes
1answer
40 views

What are folders and how do they work?

In Ubuntu and ext4, how do folders work exactly? Are they solely virtual and take up no disc space? Do they actually take up space? Can I fill up my 1TB backup drive with nothing but folders? ...