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

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1answer
931 views

What triggers file system check?

What are the conditions that trigger file system check at system startup in Ubuntu 11.10?
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5answers
389 views

Search files by name instantly

Under Windows there is a smart software "Everything" listening to changes in NTFS that allows it to search files by names instantly - for a second or less. Is there such ability for Ubuntu?
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2answers
1k views

Which union filesystem is best supported?

I'm interested in knowing the answer to this unanswered question from the Ubuntu Forums: I am trying to get one folder to display the content of two other folders. ... I am a bit troubled by ...
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1answer
359 views

My home directory just goes away. Why?

I'm running an older Dell GX280, with a new 500GB drive and 2GB RAM. Fresh install with my ~ directory copied from an older HD I got the 500GB to replace. I think I'm running ext4 on both my / and ...
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3answers
2k views

Find a file with exact name without using wildcard

I have been using Ubuntu for abuot 2 weeks and and still frustrated with simple file operations. I want to find a file called 9.jpg. Every internal command and 3rd party program I have tried, gives ...
5
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1answer
376 views

How can I make nautilus use my installed FUSE file systems automatically?

Is there a way to have Nautilus automatically use my FUSE file systems to (for example) open ISOs as folders, or archives as folders, or what ever other 'locations' FUSE supports?
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2answers
580 views

What is the default behaviour of atime?

I have an Ubuntu 11.04 installation. The /home directory is on a partition which uses the ext4 filesystem. I haven't changed the default configuration so the filesystem is mounted at boot time with ...
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2answers
136 views

How can I know which folders are created by which program?

I have /usr/share/gtksourceview-2.0/ and I think it maybe due to Mousepad or Geany or Medit text editors. But how can I know for sure without uninstalling them and reinstalling one-by-one? (I don't ...
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2answers
2k views

What is the easiest way to merge / and /home?

I have a separate / and /home partition. Both have the same filesystem (ext4.) How can I merge them? (What is the easiest way to merge them?)
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2answers
3k views

What's wrong with my ext4 partition?

What is wrong with this picture? Top is output from "df -h", bottom is gparted. I suspect I'm missing a lot of free space. No problems other than that (yet). Can somebody suggest the best ...
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2answers
1k views

Technical differences between ways in which UNIX and Windows “mount” devices

Question from which this arose is here: What does it mean to mount something? Since asking about which is "better" or which "worse" can lead to subjective and argumentative answers, I'd like to know ...
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2answers
2k views

Can I configure low disk space warning to a lesser threshold?

Ubuntu warns me about low disk space even when there are about 2 GiBs free. For me "low disk space" is 50 MiB or less as I use to use my disks at 100% capacity. The warning could be useful for me if ...
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1answer
4k views

How to get rid of unused jfsCommit processes?

On a Dell Poweredge T620 with Xeon hexacore processor, i notice that there are 14 extraneous processes for the jfs filesystem. On another server, there are similar processes for the xfs filesystem as ...
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1answer
573 views

Can I undo file operations?

When do you think to add the "undo file operations" like Windows does? If (for a mistake) I move a file I want to CRTL+Z to undo the operation.
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1answer
251 views

File rollback in U1

We have an XLS file that has been corrupted (we use LibreOffice and it appears that some sort of corruption has taken place). The corrupted file then synced to U1. Is it possible to rollback or ...
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3answers
2k views

Guide to installing a fully encrypted file system? [duplicate]

Possible Duplicate: How to create an encrypted partition? I have a little Netbook on which I want to install Ubuntu 10.10 (32-Bit) on. However, since it is a portable PC I want to ...
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5answers
466 views

What is the best way to keep all your files when moving from Windows to Ubuntu?

I've been planning to change my OS to Ubuntu, but my hard disk contains 750GB of files (in two NTFS partitions: 250GB and 700GB). I know that it is possible to keep the larger partition and install ...
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1answer
1k views

How to Mount NFS Root in Maverick

After upgrading to 10.10 Maverick, my NFS root is not mounted correctly during boot. What is the correct method? 10.04 and earlier I had my /etc/fstab setup to use /dev/nfs as my root device, but it ...
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1answer
2k views

Best FS for SSD as of 10.10 [duplicate]

Possible Duplicate: How do I optimize the OS for SSDs? Given what I think is a common scenario: SSD used as boot disk Conventional HD(s) for bulk storage Ubuntu 10.10 What's the best ...
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1answer
95 views

What is the significance of permission of `/etc`?

Trying to replicate the problem described in "/etc/profile permission denied!" where OP of the post in her comments mentions the permission string for her /etc directory being drw-r--r--. I issued ...
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2answers
2k views

Can I override an SD card's write-protect switch?

The write-protect switch on an SD card doesn't connect to any internal electronics, so it must just be respected by the software controlling the card reader. Is there any way for me to override this ...
5
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1answer
876 views

How to layout the filesystem for a small SSD and a big HDD?

Since I don't use my laptop's CD-drive I want to put a small (8 GB) SSD into the CD-drive slot (I'll use a caddy similar to this one). I want to use compressed btrfs on the SSD and put all the data on ...
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1answer
1k views

How to automount removable devices with options?

I'd like to automount (using the XFCE desktop) USB devices with Btrfs. This works as with any other filesystem just by plugging it in and waiting for two or three seconds for it to appear under ...
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2answers
763 views

Where should a non-administrative user save a CA certificate?

I have a CA certificate that I use to connect to a WPA2 Enterprise wireless network. Where within my home folder should I store the .crt file? I don't see anything in the Filesystem Hierarchy ...
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2answers
2k views

SSHFS files from one server to another

I am trying to find the most secure way to transfer files from one server to another. I have the following architecture: Currently I am using the main user salamis in order to mount the ...
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6answers
4k views

Not mounting/finding 1TB NTFS drive

I am having trouble with Ubuntu recognizing/finding/mounting one of my hard drives. I dual boot Ubuntu and Windows 7. I had Ubuntu 10.04 and all drives showed up under "Places" I could click on any ...
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1answer
962 views

Ubuntu installer thinks my drive is empty, does not see windows paritions

I am trying to install Ubuntu10.10 64bit. I just installed Windows 7 64bit moments ago. My drive is currently partitioned like so: 100MB Boot partition (automatically made by windows 7 installer) ...
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4answers
27k 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 ...
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2answers
2k views

What software is available to de-fragment Ubuntu filesystems?

I would like to defragment Ubuntu; however, I cannot find software that I can download. What is available?
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3answers
1k views

How do I remove an application? [duplicate]

Possible Duplicate: How to uninstall software How do I remove an app (Tonido) in Ubuntu?
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2answers
256 views

Is 1.abc!``!+123 a valid file name?

Is this a valid file name 1.abc!``!+123 in Ubuntu? I issued the command rm 1.abc!``!+123 and got error message -bash: !``!+123: event not find Why? How to I delete the file?
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2answers
956 views

Which book should I buy to learn file system in Ubuntu? [duplicate]

Possible Duplicate: How to understand the Ubuntu file system layout? I am very new to Ubuntu and Linux and looking to learn Ubuntu/Linux. Which book should I buy to learn file system in ...
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1answer
194 views

Must apps submitted to the Software Center run from the /opt directory?

I read this question, but I'm more confused yet. In developer.ubuntu.com/showdown I read: "(2) run out of /opt" (I understand "run out" is not in /opt *Am I wrong?*) In ...
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5answers
3k views

I created a separate /home partition, is this a good idea?

I have a question that I do not know exactly how to address, so I'm deeply sorry if this one has already been posted by other users. I'm an extremely newbie with Linux, but very eager to learn. ...
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2answers
388 views

Cannot mount second drive at “/”

I have a second drive that I want to be mounted at the root. The drive contains the following folders: /home /shared I want those two folders to be accessible at "/". I can mount the drive at ...
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2answers
8k views

Which is better for a home media server: zfs or btrfs or LVM/md? [closed]

I'm looking at building a new home server and would like a flexible filesystem. Both btrfs and zfs are interesting. I want to be able to do soft raid and have flexible solution allowing me to expand ...
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2answers
5k views

Cdrom is mounted, but where?

A Nautilus folder will be opened automatically when inserting a CD in a drive. It is under Devices with name Audiodisk. As long as the files are accessed via Nautilus everything is fine. The problem ...
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3answers
316 views

How to check which filesystem current kernel supports?

I would like to know if it's possible to check which filesystems my kernel supports. (like btrfs, raiserfs, exfat, ...). Man mount shows many options, but it's not really possible to use all
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1answer
263 views

What are these files in my /dev directory?

I know that most devices are presented in the /dev directory, but only now have I actually noticed two very strange, yet familiar names in there... I'm talking about stdin@ and stdout@ down there: ...
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2answers
20k views

How do I select a root file system when partitioning?

I want to install Ubuntu on the C: partition where my Windows 7 is, simply to replace the systems. I've also tried to install it on another partition (without formating it), which failed! All I get ...
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2answers
234 views

Is there an app which graphically logs/displays file-system I/O?

System Monitor gives me a graphical display of Network data flow. Is there something similar for the data flow on the local file-system itself?
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2answers
325 views

How to change Nautilus to show “file system” instead of “computer”?

Nautilus use to have the label for the file system in it's tree as "File System". Recently that was changed to now show "Computer" in the tree to open the file system. Regardless of why this change ...
4
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1answer
333 views

Deleting without permission in $HOME

I experienced some weird stuff: berni@zero:~$ touch wiki berni@zero:~$ sudo chown root. wiki berni@zero:~$ sudo chmod 000 wiki berni@zero:~$ ls -l wiki ---------- 1 root root 0 2010-12-11 15:14 ...
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1answer
2k views

How to mount a remote (over SSH) directory to be available like a local directory (incl. in shell, not just in Gnome)?

I've got my files (mostly text/code, nothing of heavy like videos etc.) in a directory on a remote server which I can only access by means of SSH. Can I mount it on my laptop to use it seamlessly from ...
4
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1answer
192 views

Where are the root folder names coming from?

/bin /dev /etc /lib /lost+found /opt /proc /root /sbin /srv /sys /usr /var Can anyone tell me where they come from?
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3answers
1k views

Is it possible to find out which files are deleted during a filesystem recovery check?

Some files/inodes are deleted during filesystem check if corrupted in a way after a system crash. fsck only reports "some inodes were deleted". Is it possible to know exactly what files were deleted ...
4
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1answer
942 views

Why are there infinitely many x11 subdirectories in /usr/bin/x11?

Why does the /usr/bin/x11 folder hold another x11 folder and when you open that x11 you get another x11 and then another and another? I did it about 6 times and got frustrated so I have no idea how ...
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1answer
6k views

What is the default permission for /var/www?

After upgrading to 12.04, I had to reinstall the LAMP stack. Then I brought all my www project folders from a pen drive to the /var/www folder (using sudo nautilus, and dragging the files in there). ...
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1answer
4k views

How do I reduce the size of mlocate database?

I'm out of space on /var 25G 25G 0 100% /var It looks like mlocate.db is the problem: # find /var -printf '%s %p\n' | sort -nr | head 13140140032 ./lib/mlocate/mlocate.db.cgLMAM ...
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2answers
10k views

How do I auto mount my partition?

I've a partition on /dev/sda2 of 279 GB Ext4 filesystem, but I'm not able to auto mount it on login. I've added the partition entry /dev/sda /home ext4 defaults 0 0 in /etc/fstabt still it ...