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

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0
votes
1answer
9 views

If my /proc/filesystems doesn't contain fat32 it doesn't support it?

nodev sysfs nodev rootfs nodev ramfs nodev bdev nodev proc nodev cgroup nodev cpuset nodev tmpfs nodev devtmpfs nodev debugfs nodev securityfs nodev sockfs nodev pipefs nodev ...
-1
votes
1answer
2k views

Where are downloaded files stored?

Today I installed 12.10 as my second OS. I made all updates and upgrades. Then I downloaded crunch-3.4tgz and fern-wifi-cracker 1.6 all.deb but I could nowhere find these files to be able to install ...
11
votes
8answers
8k views
+50

How to create an encrypted partition?

I am trying to create an encrypted partition, and while I format it I get the option to choose the partition type (fat/ext2/ext3/ext4/xfs/reiserfs/minix/ntfs). Is there any benefit of choosing one ...
0
votes
0answers
16 views

Why does this folder keep reappearing after I rm -rf?

I'm running Docker on Ubuntu 15.04 and I'm inside a 14.04 container. I have a database called magento. There's no volumes mounted. It has a folder under /var/lib/mysql/magento. I want to rm -rf that ...
0
votes
1answer
11 views

Removing duplicate volume group with missing physical volumes

I was working with some maintenance folks to try and replace a dead hard drive on a station running RHEL5 (old, I know...). Instead of getting some brand new drives, they used some drives from an old ...
-1
votes
0answers
26 views

File system full ubuntu touch

i'm writing beacause today I tried to install OTA 6 update but i failed because the root filesystem of my phone is full. df -h: phablet@ubuntu-phablet:~$ df -h df -h Filesystem ...
12
votes
1answer
9k views

Reasonable size for “filesystem reserved blocks” for non-OS disks?

When creating a file system ( mkfs ...) the file system reserves 5% of the space for its own use because, according to man tune2fs: Reserving some number of filesystem blocks for use by ...
5
votes
4answers
43k views

Damaged SD card (badly unmounted?) How to fix?

First Off I'm using Ubuntu 12.04 on a laptop with a built in card reader. I have a sandisk 8Gig micro sd card that came with my HTC Desire HD phone. Unfortunately I had mounted it to a windows ...
1
vote
1answer
15 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 ...
2
votes
1answer
215 views

ubuntu doesn't boot without flash drive

I just installed Ubuntu 11.04 on my Netbook. I had to use a flash key and during the installation i tried putting Ubuntu on a separate partition, but it kept showing a no root file system is defined ...
1
vote
3answers
6k views

How to wipe/format entire disk using gparted?

With gnome-disk-utility alias palimpsest there is an option to format entire disk with partitioning scheme "none" or something similar. How do I do that in gparted? (? is it the "loop" option ?) Or ...
0
votes
2answers
33 views

list files or dirs starting with 'jre'

I need to list files and dirs with names starting with jre (small and capital letters are allowed). When I execute: ls | grep jre ...it greps just low capital letters and gives output with jre not ...
3
votes
3answers
76 views

How to sync two folders on my machine, in one directional syncing?

I have a set-up in which I create a certain file, and subsequently move it into a storage area for that type of file (folder A). There is another folder on my machine where I must also copy the file ...
30
votes
1answer
14k views

What is the rationale for the `/usr` directory?

What is the rationale for the "unix system resources", or /usr directory, as described here, which duplicates many of the directory names under the root directory /? My purpose: I'm installing Oracle ...
0
votes
3answers
5k views

Get the access to the folder file system/root

I am using a live version of Xubuntu on USB for a extraordinary maintenance of my PC. I have to copy a single file inside the folder file system/root. Currently I can browse the complete folder file ...
0
votes
0answers
12 views

Install LAMPP / XAMPP not as root

I've installed LAMPP and that worked fine. It was installed in /opt/lampp/. But now I need to install it again (I uninstalled it) NOT as root, in which case I don't have to sudo everything. ...
0
votes
1answer
5 views

Where is the changelog downloaded to?

After running (where <package> is replaced with the name of the package whose changelog you want): apt-get changelog <package> Where is the changelog downloaded to? And what happens ...
3
votes
2answers
75 views

Where are file properties stored on the actual file system?

I am creating a program that takes a hexdump of a file, so that I can then transmit that somewhere, and have the file reconstructed, however the hexdump is only of the file contents, I also need to ...
2
votes
1answer
53 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 ...
2
votes
1answer
61 views

16 TB what filesystem I should use

I need a 16 TB volume by 6 drives x 4TB. I use the last version of ubuntu. I need the filsytem very stable. How I can created this volume. I should use ext4, xfs, zfs, btrfs, with mdadm ? Thanks a ...
0
votes
0answers
13 views

How do I get Ubuntu to respect no read, write, or execute permissions for others set by chmod and Nautilus

I do not want to give 'others' read, write, or execute permissions in certain directories or folders. i.e. /home/me/test I am running 14.04.3 desktop. I have navigated to the folder, selected the ...
0
votes
0answers
12 views

Move files preserving symbolic links

I have some files on an external hard drive, to which I keep soft symlinks in my home folder (many links, not just one). I need to move some of the original files to another hard drive, and I want to ...
2
votes
0answers
24 views

Gedit not preserving extended attributes on file edit

I'm working on a project where i rely mostly on the file's extended attribute that i set when i create the file. But i'm facing problem while modifying the file. Example: When i edit a text file in ...
2
votes
2answers
3k views

Low disk space “Filesystem root”

Running 11.04 Low disk space warning. Results of df: Filesystem 1K-blocks Used Available Use% Mounted on /dev/sda2 31381148 10417896 19390492 35% / none ...
0
votes
1answer
30 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
1answer
58 views

Where are the files of my /home directory?

I have reinstalled my system after facing some crashing issues with my software. I have a separate / and /home When I am running df -h I obtain: root@sougata-SATELLITE-L750:/home# df -h Filesystem ...
1
vote
0answers
12 views

How does an encrypted file system stay reasonably fast?

I want to encrypt my file system and wondered can my file system stay as fast as it would be without any encryption? If so why, if not how does this affect the read/write operations?
1
vote
0answers
54 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
votes
0answers
12 views

Low Disk Space on “Filesystem root”

I am using Ubuntu 14.04 with GNOME, and every time I restart the computer it tells me the volume "Filesystem root" has only x MB disk space remaining. I checked with sudo df -h and sudo find / -size ...
41
votes
1answer
46k views

Mount unknown filesystem exfat [closed]

When trying to mount an exfat filesystem, I get the following error: Error mounting /dev/sda6 at /media/gkp/Backup: Command-line `mount -t "exfat" -o "uhelper=udisks2,nodev,nosuid" "/dev/sda6" ...
0
votes
2answers
503 views

what filesystem should i choose for my HDD?

I am new to linux.few months ago i was using linux in parallel with windows.but it makes my machine pretty slow,so recently i formatted my systemdrive and installed only ubuntu in my machine in one ...
0
votes
1answer
42 views

Split a file in two different parts but use it under one path

I would like to split a large file (300GB), which is in my home directory under the dev/sdb1 into two (or more) different parts and move them into two different disk drives. However, I would like my ...
5
votes
2answers
334 views

How to get a larger root partition on Touch

I'm trying to make Touch (14.10) work as an Ubuntu server. However the root partition is only 2 GB and is insufficient for the packages I need to install. Is there any way to get more space on the ...
6
votes
1answer
569 views

Why do I need the x permission to cd into a directory? [duplicate]

ls -la prints the following: drwxrwxrw- 2 www-data www-data 4096 Aug 12 11:04 files My username does not belong to www-data. When trying to cd into files I get a "permission denied" though the ...
0
votes
1answer
15 views

Drive not showing up

Every time I start my ubuntu and do a "ls" in "/media/my_username" directory my drive D: is not showing up,but after when I enter the D: using GUI and doing a ls it shows up,can any one help!
0
votes
1answer
31 views

How to create a snapshot of an encrypted btrfs @home subvolume?

We are using btrfs for its snapshot capabilities so we can backup user home directories. The user home directories are encrypted with encryptfs. We run sudo btrfs subvolume snapshot /home ...
35
votes
4answers
43k views

Why are hard links not allowed for directories?

I am using Ubuntu 12.04 and I am pretty new Linux world. I am really amazed when I try to create hard link for any directory and fail. I can create hard links for files inside file system boundary. I ...
13
votes
2answers
2k views

Why will Ubuntu no longer measure file size unit as byte, megabyte, gigabyte, etc?

I read on somewhere that Ubuntu will no longer use the familiar file size units we all know by now (kB, MB, GB, TB) and switch to a different IEC standard (KiB, MiB, GiB, TiB). If this is true, I ...
2
votes
3answers
76 views

How to prevent Ubuntu from mounting a partition it founds?

Adding a static fstab record for a particular partition effectively prevents automatic mounting logic to work with and it works great when I want the partition to actually be mounted (in a place I ...
26
votes
2answers
16k views

Can I disable updatedb.mlocate?

On ubuntu server here and I'm trying to unpack 300M image files from a compressed file format using Java. My unpack rate is 0.5Mbytes/sec, abysmal (34 days to unpack 1.5TB at this rate). I'm trying ...
1
vote
0answers
24 views

lots of weird behavior regarding file system [closed]

It all started with Psycopg, I was having problems with my database so I figured I'd re-create it and load the latest backup. I ran dropdb database and got an error about not being able to connect to ...
1
vote
4answers
62 views

Understanding linux file system modes

I've read through over 10 articles, and am trying to wrap my head around the linux file system. There is one point I am trying to get that I can't figure out. Forgive me for sounding very dumb: When ...
0
votes
1answer
24 views

usb read-only in gui, but works fine from terminal (12.04)

From all that I've read on-line, it appears I have a new twist on the usb-read-only problem. When I first tried a new usb drive, whenever I tried to drag-drop a file into it, I got the error message ...
32
votes
2answers
20k views

How to open Nautilus at current command line directory?

I was wondering if anybody knew a command that would allow me to open a Nautilus (if that's the right name for the Ubuntu 12.04 graphic/window explorer) window from the command line at the current ...
21
votes
8answers
40k views

Why do my gvfs mounts not show up under ~/.gvfs or /run/user/<login>/gvfs?

From what I read, when mounting a network share via nautilus or gvfs-mount the mount point should be in ~/.gvfs. This seems not to be the case for me: I tried mounting both an FTP and SMB share via ...
0
votes
1answer
23 views

File disappeared after cutting name when renaming

I use Ububtu 15.04 with Unity interface. While I was editing a file's name, I accidentally selected the entire name (without the extension) and pressed ctrl+x and Enter. The file disappeared. Where ...
-1
votes
0answers
19 views

Cannot find my documents everthing else is intact

I am doing a system recovery and cannot find my saved game file which was located in. My documents file are gone, and that's the one thing I need to recover, where on earth did my documents go? I ...
1
vote
0answers
18 views

fast/easy file system snapshot

I am working in a lot of team projects and usually team members come to my computer in an attempt to help and they ruin my workspace. My workspace for a project spans folders in different locations. ...
1
vote
0answers
42 views

Is there any Way to Hide/Unhide a file except using . in Ubuntu 14.04? [duplicate]

Wanna Hide/Unhide an Item/File/Folder but not Using Period (.) In Cmd (Windows) attrib command is available to do so.Hence any command like that in Terminal. Any Keyboard Shortcut for that?
79
votes
10answers
230k views

How do I view all available HDD's/partitions?

I found a 6 GB IDE HDD in my basement. I want to plug it in and see what might be on it. The drive seems to be recognized in BIOS. I can't find it in Ubuntu to view files, and Ubuntu is the only OS ...