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

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0
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1answer
6 views

Read data from SD card of ds150e

Ubuntu does not recognize SD card of delphi ds150e. GParted sees SD card, but filesystem is not marked. How to read data from SD card? I don't know which filesystem uses ds150e device. Sorry for my ...
0
votes
0answers
6 views

ACL issue. Not getting correct mask

I got a problem with my ACL rules. The mask is not being followed, even though its defaulted to rwx root@WinterFell:/mnt/backup/test# getfacl ./ # file: . # owner: root # group: root user::rwx ...
0
votes
1answer
16 views

Can TestDisk utility recover data

Actually I want know , can Testdisk recover data after fresh installation of new Ubuntu OS 16.04 from a deleted partition.
0
votes
0answers
25 views

correctly setting up Gradle for IntelliJ

After installing gradle via sudo apt-get install gradle, where DO I find the gradle home directory that I need to feed IntelliJ to open my project? cat $GRADLE_HOME never terminates echo ...
0
votes
1answer
34 views

Grub2 keeps saying unknown filesystem-

Hello Friends I'm asking for help.I have a 2006 mac running ubuntu.The problem is it wont boot.So I decided to put an iso of ubuntu on a usb so I can boot it with grub 2.The thing is whenever I try ...
0
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0answers
16 views
+50

Nautilus Cannot Move Files to Trash When Trash is in eCryptfs / Files are on a Different Drive

I used to just press the Delete key on selected files on Nautilus, and then it would trash the file(s) without confirmation. That was very convenient. I later decided that my Trash may contain ...
0
votes
1answer
19 views

Grub2 doesn't recognize any new partitions?

I am trying to add a new partition to my drive. The drive contains files that grub can boot into (Live ISOs, or Windows Installers). My drive has 250 GB unallocated and has in the past.. Grub2 booted ...
0
votes
0answers
13 views

Network links disappeared in Select Destination or Filename windows

Not very long ago, the links to my network drive disappeared in the pop up destination windows on all of my Ubuntu 14.04 PC's. Networking still works fine, Nautilus still sees the net drives and it's ...
-1
votes
0answers
24 views

0 bytes left on external hard drive, although there is still space [closed]

I have 2 identical external HDDs. 2 TB each, file system is ext4. I use one to back up my home folder and archive some video and image files and the second one to back up the first one. For HDD #1 ...
3
votes
1answer
64 views

Cannot mount some partitions

About two weeks ago I had a problem with my PC that my brother wrote a question about at PC not booting after using Windows 7 auto-repair. I still haven't solved the problem, so my PC is unusable ...
0
votes
3answers
60 views

Ubuntu 16.04 installation in ZFS filesystem

There is no ZFS file system option while creating file system but as per release note it supports ZFS. So why this option not available. Please help.
1
vote
1answer
20 views

How to audit file created under a specific path?

I would like to know if there is an audit tool I can use to monitor the file created under a specified folder? I would like to know the user and program used (ftp, ssh , php) to create the file.
8
votes
7answers
1k views

Difference between / and /root in Ubuntu? [duplicate]

I have created 100 GB for /. When I opened Nautilus I have found the root folder. So what is difference between / and /root? My username is enigma, and I have a folder named enigma in the /home ...
1
vote
0answers
38 views

Dual-boot: EFI System Partition is RAW in Windows, readable with LiveCD

I recently installed Ubuntu 16.04 on dual boot with Windows 10 on my laptop, and at a certain point I ran a gparted 'check' on my /dev/sda1 partition (where Windows Boot Manager and Grub are). Now ...
0
votes
1answer
43 views

My main hard drive on ubuntu has no free space left

I have a hard drive that keeps filling up with data, but I'm unable to figure out what is causing it. I tried moving files, but the system just replaces that data with more useless data. This made it ...
0
votes
0answers
12 views

Stop access of LAMP localhost files through LAN

I have made LAMP setup on Ubuntu 14.04 system. My system is connected with LAN. Also other systems are also connected to the same LAN system. So in the router there are IP are showing like ...
0
votes
0answers
22 views

Are there any risks of using noatime in /etc/fstab

if there are any, can you enumerate the risks of using "noatime" in /etc/fstab for the / volume? I have already added noatime to / and /home and i am wondering if for some reasons some services can ...
0
votes
1answer
14 views

Is there a file with system log?

In Ubuntu there's a program called System log, with log of system and all that you do with Ubuntu. I would ask if would be possible create a file.txt that refresh automatically with log from 'System ...
0
votes
0answers
12 views

Is there an OverlayFS type way of having upper directory files written to lower in the background?

I am looking for a way to have downloaded files in a tempfs mount - where downloaded files are immediately available - and have them written to a cloud mount (e.g. webdav davfs or Google Drive ...
4
votes
2answers
36 views

How to find files that do not have a duplicate in a separate directory

I have an old backup of documents. In my current Documents directory, a lot of these files exist in different locations with different names. I'm trying to find a way to show which files exist in the ...
4
votes
1answer
33 views

Using binfmt-misc in conjunction with xattrs

I currently use a piece of sandboxing software on my 14.04 machine that isolates Linux binaries from one another (Using a special type of namespace isolation different than AppArmor) Currently, the ...
0
votes
0answers
26 views

How to restore unmounted ubuntu and windows partitions?

After a botched Ubuntu install (shut down during installation), my windows and ubuntu partitions are unmounted. From a live session in GParted I see that both partitions are clumped together in an ...
1
vote
3answers
57 views

Why is /usr/local/ owned by root?

I am wondering why directories such as /usr and /usr/local/ are owned and created by root. Usually I am logged in as a normal user and I want to store programs that I personally use in these dirs. For ...
0
votes
0answers
21 views

Create Compressed Directory

How to create a compressed directory in Ubuntu? Is that possible? I do not want to create an archive file (zip, tar, etc) but rather I want something like compressed directory in an NTFS (Windows) ...
0
votes
0answers
38 views

Root FS always full: /var/log/syslog and /var/log/kern.log flooding

I just installed Ubuntu Gnome 16.04 when it came out, on a brand new computer that I just bought. I have been a user of Ubuntu Gnome for a few years, so this is nothing but routine now. However, I get ...
0
votes
0answers
24 views

Error: Subprocess failed. Error: RPM failed: error: unpacking of archive failed on file /root/bin: cpio: chown

Error: Subprocess failed. Error: RPM failed: error: unpacking of archive failed on file /root/bin: cpio: chown while running update filesystem not updating
1
vote
0answers
11 views

Adding disk and converting RAID 0 to 5

I used MDADM to create a 4-disk RAID 0. I have another disk I want to add and convert the array to RAID 5. I'm already aware of the risks of RAID 5 but it is my best option at this time. How would I ...
0
votes
1answer
101 views

Filesystem Information shows between Plymouth and Login Screen 16.04

This is by no means a major issue but I thought it was a bit odd. Immediately after the Plymouth splash screen disappears and before the usual Ubuntu login screen appears, a tty style terminal ...
0
votes
1answer
15 views

Remove files created through mount & owned by root

So, I have been doing some trial & error learning about bind mounts in Ubuntu Desktop 14.04... I got everything working the way I wanted it, but as a result of my trial & error learning the ...
0
votes
0answers
40 views

Make world writeable files and directories colored normal in terminal

I have three partitions on my computer, one for windows, one for Linux (Ubuntu 16.04), and one shared between the two OS, formatted in ntfs. I mount the shared partition on startup and created a soft ...
0
votes
1answer
243 views

Installing Ubuntu Server 16.04 on Vmware

I am installing Ubuntu 16.04 virtual machine on an Intel server using vmware. For some reason, it is creating the root file system as ext4 but I NEED it to be ext3. Is this possible? I have been ...
0
votes
0answers
28 views

UBUNTU 14.04 not reading Blu-ray data disks correctly

I have a few Bluray disks (50GB) with archived data files on them. To Ubuntu 14.04, all files in the top directory appear with their names and "binary file" type, but nothing more. I cannot access ...
0
votes
0answers
10 views

Making a Live CD in Xubuntu

As soon i realised how important is to have a backup of your files,i bought a external drive in order to backup them.Now i want to switch to another Operatins System but still keep my Xubuntu Copy on ...
0
votes
0answers
18 views

Encrypted USB stick, unrecognized file system?

Good morning, I'm in need of assistance in creating an encrypted usb drive. I used the format LUKS+EXT4 option, now when I plug in the drive I'm asked for the passphrase but then I get a warning ...
0
votes
1answer
42 views

Where does update-initramfs look for kernel versions?

I needed to regenerate initrd. Doing this: update-initramfs -u -k all threw up errors for a kernel I compiled and then deleted some time ago (because update-initramfs could not find the ...
0
votes
1answer
24 views

Input/output error when accessing a directory

I have ubuntu 14.04 installed on a 256Gb SSD (Sandisk). The drive is partitioned to 120 GB (with OS) and the rest as a secondary Data partition. The Data partition has started having I/O problems this ...
3
votes
0answers
33 views

Fastest File System Type

We currently/still write to tape for off-site backups (avg size is 80 GB per day) and the robot is misbehaving as of late. I'm setting up an NFS share on Ubuntu Server 14 (16 when it releases) to ...
2
votes
2answers
38 views

Finding my swap partition

It looks like I have 40 GB of swap: wuser@wavesftwDell:~$ cat /proc/swaps Filename Type Size Used Priority /dev/dm-1 ...
0
votes
1answer
50 views

Why do i get wrong filesystem error on mounting external drive whilst correct ntfs-utils is installed?

since today I get the following message when inserting usbstick/sd card: Aankoppelen bestandssysteem is mislukt Error mounting /dev/sdb1 at /media/wouter/Kali Live: Command-line `mount -t ...
1
vote
1answer
67 views

My normal user file system only works in read-only mode and i don't have the password for the root user

I have Ubuntu Server V14.10.the administration of this system disappears with a former employee. I do not have the root password and apparently the file system for the user that I use is protected and ...
41
votes
4answers
7k views

Accidentally created directory named “~” (tilde)

I managed to make a directory literally named ~. (Apparently, Python's os.mkdir('~/something') does this.) How do I remove it without nuking my home? Also, if it helps, I have my real /home on a ...
0
votes
0answers
46 views

Create a rootfs in the SD card

I try to make a rootfs in the SD card with Debian Chroot, but after mounting the loop I don't know how to continue. I want to mention that I don't know how to use debootstrap (and I'd prefer not to ...
-2
votes
1answer
38 views

Where can I find a folder containing icons of all my applications, that I can double-click? [duplicate]

Where can I find the folder where I can see icons of my applications and click on them as I am accustomed to from other operating systems? (N.B. Please see my comments re duplications.)
72
votes
8answers
11k views

Does Ubuntu damage USB drives?

Whenever I unmount a USB drive with Nautilus and plug it to a Windows machine, I receive a warning that the drive needs to be repaired. (the same message like in this screenshot) For 10+ years ...
0
votes
1answer
27 views

Error creating bootable USB using “cat file.iso > /dev/sdb”

At first, I had this USB flash drive with a Ubuntu 14.04 LTS bootable in it. But now, I want to remove/wipe it and create a new bootable of another OS. First, I tried directly: sudo cat file.iso > ...
0
votes
0answers
25 views

Can't start without systemctl after moving /home

Due to storage limit I recently moved /home, /tmp and /usr directories of an Ubuntu Unity 15.10 installation from independent ext4 partitions to ZFS datasets. This question relates the process I ...
0
votes
1answer
30 views

Pasted file has more MB than the copied?

Ok so I have ubuntu 15.10 installed on a USB and boot with it as my main OS on this computer. The computer has 2 hard disks one connected to a SATA interface and one through USB too... none of them ...
0
votes
1answer
28 views

Finding a large file being created by the system

I ran some code that caused root file system to run out of space; the code then crashes and the file is deleted. I need to find out which file is being created there. How can I quickly (while the ...
0
votes
0answers
52 views

Move /home and /usr to ZFS datasets

I installed Ubuntu to an SSD. Setting up specific partitions for /usr, /home and /tmp. This is my /etc/fstab: #Entry for /dev/sda4 : UUID=590649b2-d8ce-489d-975a-0d5415bffbaa / ext4 ...
0
votes
1answer
26 views

I created the file \.sh , am I in trouble?

I had a really bad idea: Curious about what could happen, I wanted to try to use various non-alphanumerical characters as file names. Think may have been a bad idea. I created the a file in the ...