General :: Cannot Predict How Many Levels Deep Directory Tree Is

Sep 30, 2010

This little fragment does the opposite of what I want and I am trying to figure out how to reverse it. I want to strip off the directory and echo just the filenames. I cannot predict how many levels deep the directory tree is.

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General :: Create Archives Of A Directory Tree On Ubuntu Box?

Oct 29, 2010

Are there any other archiving tools than tar that preserve Linux file permissions and user/group flags? I want to create archives of a directory tree on my ubuntu box. The directory trees are large, a first run with tar cvpzf archive.tgz /home/foo/bar yielded a 5GB archive. I also want to keep all permissions and other flags and special files.I'm fine with a 5GB archive, however to look inside that archive -- since it is a compressed tar archive -- the whole 5GB have to be decompressed first! (Or so it appears when opening it with the archive viewer -- I'm happy to be corrected.)So I need a way to "backup" a directory (tree) while preserving full filesystem attributes and right and creating an archive with an "index" that hasn't to be decompressed for browsing its contents. An archive is either a single file, or a (small) set of files that carries full and complete information within this file/s. That is, it can live on any filesystem (size permitting), it can be burnt onto a DVD, you can split it (after which the point of this question is really lost - but still), ...

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General :: Rsync To Copy Directory Tree From NAS Drive ?

Apr 10, 2010

I have a WD world book edition 1TB NAS drive, and just purchased an acomdata 1tb drive and connected it to the NAS via USB. If I recall I think the WD NAS has a ext_ or some type of linux filesystem on it, and the acomdata has a ntfs filesystem on it.

What I want to do is copy over certain directory trees of the NAS to the USB attached drive. I usually use MS synctoy to sync folders from my windows pc to the NAS drive, and MS richcopy to make the initial transfer from PC to NAS. For this operation though, since it is taking place entirely on the NAS and its connected drive, I thought that rsync would be the best option, and it is available on my NAS drive.

Last night I entered in rsync -avr /movies/* /usb1-1share1/ to copy the entire "movies" dir to the drive, which shows up as usb1-1share1 on the NAS drive. It copied most of the directory tree ok, but a lot of the folders were empty, so this morning I tried rsync -Carv --ignore-existing /movies/* /usb1-1share1/ to try and get all the files missed, without recopying the 24GB that did make it across. This also managed to copy a few more GB over, but not everything.

I am running the command from an ssh session on the NAS using putty on my PC, in as user "admin" which should have all rights over these folders. There is a bunch of errors in the command window like this: rsync: failed to set times on "/shares/usb1-1share1/movies/classics/fulldvd/First Blood DVD/.VTS_01_2.VOB.RxdjWZ": Operation not permitted (1)

I want to restart another session and get the files it missed, but I want to find out what I am doing wrong first. Should I be doing this as root user? am I missing some switches or just plain doing it all wrong?

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General :: Ftp Whole Directory Tree Using Vsftpd As Ftp Server In Fedora11

Feb 11, 2010

I am trying to ftp a whole directory tree using vsftpd as ftp server in fedora11


I am getting error while transfering a directory tree ...

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General :: Overwriting Specific Files In Directory Tree Recursively

Jul 19, 2011

I would like to overwrite files in a directory tree, recursively. The ones I would like to overwrite match the filename "x_alpha*.png" and have a size exactly 456 bytes. Is there any way to search for these recursively in a directory tree, and overwrite them with a reference file, for example "e:mydirgood.png"

I am using Windows 7, but I have UnxUtils, so I can use those too. What I am looking for is something like this, generated automatically:
copy /y e:mydirgood.png e:mydiracx_alpha0023.png
copy /y e:mydirgood.png e:mydirefgx_alpha0045.png
copy /y e:mydirgood.png e:mydirhx_alpha0248.png

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Debian :: Cache A Directory Tree?

Nov 30, 2015

I have a home storage of many drives which are seldom accessed, and extremely seldom written to. So, I made several RAID1 arrays with "write-mostly" drives in each one, so that all the drives spin down after a while, and if they are accessed, only one drive in each array has to spin up. This way, I hope to minimize the risk of losing anything due to mechanical shock or wear.

But it was not so easy. First, the write-mostly drives did spin up on every read request due to a bug in the kernel, so I managed to get the fix accepted into the newer kernels (which is my largest contribution to the Linux development so far. See [URL] .....) Now, if I read directly from the array, it works as expected (only the first drive spins up); but if I create a filesystem there (ext4) and read from it, the second drive still spins up anyway. (Does ext4 write something when it reads a file?.. I have it mounted with relatime, so AFAIK it shouldn't...)

Well, I thought, I'll just mount the filesystems read-only and remount them if I need to modify the data there, which is not very often, to say the least. Also, this way the drives don't have to spin up every system shutdown to unmount the filesystems; during a power outage, it used to take a lot of time for them to spin up one by one just to unmount, while my UPS had to survive long enough for them to finish. That's one more problem solved.

But I decided to improve even further. Sometimes I just want to see the contents of those arrays without even accessing some files (for example, when I accidentally click the wrong network drive button in Windows, or when I just want to see if I have something there or not). If I read the directory trees during startup and keep them cached, then those drives won't even have to spin up at those moments! The question is, is there a way to do it? I remember Linus boasting about our kernel being the best at caching the filesystem trees, and I know there is vmtouch [URL] .... which allows us to keep some files cached, but what about the directory tree itself?.. If I simply "find" all the files there, it seems to work, but they get evicted from cache sooner or later...

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Ubuntu :: Convert Files, But Keep The Directory Tree?

Jun 10, 2010

I've got a directory structure full of files. I want to convert them all into some other format, but I don't know how to keep the directory structure, is there a way so I can "set" which command to use on files instead of `cp`?

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Ubuntu :: File Copy Via 9.10 On Windows Not Updating Directory Tree ?

Aug 19, 2010

I have ubuntu 9.10 & windows 7 on my laptop. I have one 40GB Primary partition (C & 60 GB logical partition on my windows. I have given another 20GB for ubuntu.

I hibernated my windows7 & then started ubuntu 9.10. Then I copied a folder containing some PDF files from my ubuntu to that 60GB (D on windows. Then I rebooted the machine & choose windows from GRUB. the windows came up from hibernation but nowhere I was able to see that folder which I copied.

Since ubuntu supports (understands) NTFS file system it means when I copied that folder it should have updated the Directory Tree of NTFS on that 60GB (D but that folder is not shown.

When I restart the windows the folder appears (ofcourse because windows checks the file system again for consistency while in hibernation it does not).

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Software :: Perfoming A ./configure Script Outside The Original Directory Tree

Jan 18, 2011

I have a user account (no root access) on a Debian system. My disk quota for my home directory is limited to 250MB, of which I've used 150MB.

I would like to install a program that requires 95MB of space (let's call it prog-5.1) into $HOME/local/bin. Because the source files take up 1GB, I've had to place them in the /tmp directory (to stay under my limit).

Unfortunately when I run the config script, I receive the following:


The reason for this is that /tmp is mounted in noexec mode, meaning I can't execute code in /tmp directory:


I'm wondering if anyone has any ideas about running the config script in my home directory, and somehow pointing it to configure the files in the /tmp/prog-5.1/ directory.

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Programming :: Correct / Common Directory Tree For Software Packages?

Mar 16, 2011

I found it easiest to embed narp into the gtk+-2.0 installation because all I needed to do was tweak the and files and let configure do the rest.This is a hack. I've failed at getting my own makefiles to work.

Would anyone point me in the right direction on how to properly make an installer for Linux? Also, what is the correct/common directory tree for Linux software packages? Any more suggestions on proceeding with this project using community standards?

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Ubuntu :: Browsing A Directory Tree Directly In Gnome Panel - UPDATE

Jan 19, 2011

The problem was finding an applet to browse directory tree directly in the Gnome panel similar to that in "Recent Documents". The thread was closed without any solution posted there and also no solution available elsewhere (I searched for over 2 hours) in the forum.

Search for "file-browser-applet" in the Synaptic Package Manager. The applet with exactly that name is what you need. It allows to browse and open files on your computer from the GNOME panel. Once installed, "Add to panel".

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Programming :: Sort Oldest 5 Files In A Directory Tree Recursively Based On Timestamp?

Jun 3, 2010

I have a directory listing with many subdirectories having many files. I want to recursively search for the oldest 5 files starting from the base directory and not 5 from each subdirectory. I am writing a shell script which sorts them using ls -lRtur|egrep "txt|jpg" > /tmp/file1 Now from this /tmp/file1 file I want to sort the files same as what the ls -ltr command does that is oldest file time to newest file time first. How do I sort based on Linux time stamp? The files itself also have Linux timestamps embedded in them So I can sort based after extracting them as well if it is easier.
My /tmp/file1 has entries like below.

-rw-rw-r--. 1 usr1 usr1 705 2010-01-22 17:25 sample20100603173659.jpg

I want to get the 5 oldest files and then delete them.

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Red Hat / Fedora :: Makfile Which Can Compile A Tree For Source File And Create Output In Separate Directory

Jul 29, 2010

I am new to linux platform and my requirment is to write a makfile which can compile a tree for source file and create the output in separate directory .

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General :: Find Unique Extensions Or Formats In Deep Folder Structure

Jul 11, 2011

I have a deep folder structure on my RHEL 5.x file system which is supposed to have only word(*.doc, *.docx) or pdf(*.pdf) files. But I want to check if there are files with any other extensions which exist. Is that possible?

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Ubuntu :: Cannot Change Directory To A More Than Three Folder Tree Destination Folder From In Terminal?

Sep 18, 2010

I cannot change directory to a more than three folder tree destination folder from ~ in terminal. I've checked everything. No Typos or misspell. The destination folder was recognized by "ls" command but when I went to it, the terminal said, "no such file or directory."

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OpenSUSE Install :: Get Info On The Opensuse Directory Tree?

Aug 17, 2010

I am looking for explanations on how Opensuse utilizes the root directories. Like what decides if a program goes in /bin vs /sbin vs /usr/bin etc...In other words, a breakdown of the directory structure and how each part is utilized. I am trying to get more familiar with it so it will be easier for me to locate things and I will know where to look for X part of a program that does Y.

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General :: Switching Init Levels Does Not Work?

Jan 21, 2010

I have CentoS 5.3 and switching init levels does not work.when I login console mode,doesnot work ctrl+F7 key...and on the contrary.when Im in graphical mode, does not work ctrl+F1...ctrl+F6 keys.

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General :: Prevent Firefox From Using Bitmap Fonts At Certain Zoom Levels?

May 1, 2010

In Firefox 3.6 on Ubuntu 9.10, certain sites seem to use bitmap fonts for any fixed-width fonts, but only at specific zoom levels. This site and other Stack Exchange sites are among the affected sites, and of course the default zoom level is affected. At unaffected zoom levels, I get the expected smooth curvy fonts. How can I make Firefox use the nice curvy smooth fonts at all zoom levels?

Edit: Adding example code for my own reference.

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Networking :: Vsftpd Get From Deep Directories?

Nov 22, 2010

I have a situation when vsftpd do not allow to get files from directories deeper than chrooted directory.

I can get from chrooted directory.
I can put to chrooted directory.
I can put to deeper than crooted directory.
I can list directories and files deeper than chrooted direcotry.
But I can not get files (process starts and hangs) from directories deeper than chrooted.

Firewalls on both sides (client and server) are set to log every in and out connection that do not -j ACCEPT. Log files are empty, so I assume nothing is blocked by firewalls.

Permissions for files and directories, I want to get, are set to 777.

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Server :: Mod_rewrite With Non-www To Www For All Deep Links?

Aug 16, 2011

I am still struggling to get non-www to www. At the moment I have following code to redirect from non-www to www. RewriteCond %{HTTP_HOST} !^$ [NC]
RewriteRule ^(.*)$$1 [R=301,L]It works totally fine for home page but not for other deep links, such as /city/Sydney.php, they are still going to non-www pages. What 's the best approach I could use to solve it

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General :: Copy An Entire Folder Tree ?

Sep 27, 2010

I am trying to use the cp command to copy some files around but want to preserve the entire folder structure. Example:

Then within the /backup location I want to see /backup/folder1/folder2/file.

I have tried cp -a and cp -p but neither give me the above.

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General :: Sorting In Aggregate Rather Than Tree Fashion With 'ls -Rt'?

Apr 28, 2010

The command: Code: ls -lRt Shows a recusrive listing, and sorts by modification time. But this in in tree fashion, where it first lists the contents of the current folder sorted by time, and then the contents of each child folder sorted by time. How would one accomplish this type of sort, but with an aggregate listing - all items recursively sorted together, rather than by individual folder?

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General :: Using Fork() To Create A Binary Tree?

Sep 26, 2010

I am working on a project where I need to use the C language to generate a tree of processes. I understand how fork() works but I cant seem to get fork() to create two children from one parent and then have the two children create two more children.

Right now what i am seeing is a chain...where the parent creates one child...and that child creates another ONE child..etc.

Here is what I have so far:

for (i=0; i<n;i++){
if (childpid = fork()) break;
if (childpid == -1){
perror ("


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Ubuntu :: HDD Deep Cleaning Of Deleted Files?

Jul 14, 2010

Is there a way to deep clean the supposedly "empty" areas of HDD. I've found "shred" and similar tools by googling, but they allow either deleting a file or complete wipeout of a HDD. What I'd like to do is clean up what's left of already deleted files (which can probably be still "undeleted") on a live HDD (with useful data, which doesn't need to be destroyed).

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Ubuntu Installation :: 9.10 Upgrade - Deep Freeze And No HD Activity

Mar 4, 2010

As part of a standard update from Update Mgr, I was proposed an upgrade from kernel (pae) to (again, pae). Installation went smoothly, as a number of similar upgrades before. Machine is a plain dual/boot (win7+karmic), no wubi.

Mandatory reboot after upgrade... grub... then freeze.
Deep freeze: blank screen, no HD activity.

None of the existing kernel flavors (2.6.31-17, 31-19, 31-20) is able to boot, either in pae, general or recovery mode. It's only BIOS sequence, grub, choice... frozen. Blank screen, no message whatsoever. (btw, win7 boot appears not affected)

Attempts so far:
* Following some hints here for similar situations, I checked my disk w/ gparted and found no issues.
* Partition's UUID is nicely set.
* Recovered Grub, as per its tutorial...

I'm attaching here my grub's config, from a script I've seen in multiple questions.
Boot Info Script 0.55 dated February 15th, 2010
Boot Info Summary:
=> Grub 2 is installed in the MBR of /dev/sda and looks on the same drive in partition #5 for /boot/grub.....

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Ubuntu :: Conky Falls Into Deep Sleep With USB Mount?

May 1, 2011

I'm experiencing low importance nuisance with conky. I'm running ubuntu 10.10 and use conky to have basic system overview. Whenever I mount/umount USB flash, conky disapears from display. It does not crash, it only falls into neverending sleep (process state: Sl+). When I send rehub signal (kill 1 {conky_pid}) conky happily wake up, reloads configuration and shows me what I want to see. I dont have anything USB realted in my monitor.

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General :: Find A Phrase/word Recursivly In A File Tree?

Aug 31, 2010

how do I find a phrase/word recursively in a file tree in Linux?I tried find . -name ./* | grep my_phraseand I tried grep -r "register_long_arrays" *

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General :: Use A 'distro' That Has Been Knocked Off The Update Tree With Security Intact?

Jan 8, 2011

Can you still use a 'distro' that has been knocked off the update tree with security intact, i.e., what are the risks. I ask because I am quite happy with fed 12 but there is a sound problem with my hardware on fed 14. My idea of extended support is 10 years, nieve I know but a nice thought.

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Ubuntu :: Why UFW Disabled In All Run Levels

Nov 15, 2009

I am an experienced redHat/Fedora sysadmin but I'm completely new to ubuntu/debian world and the-way-the-things-works. I am trying to understand a few things. One of them is security related. Is AppArmor an extra security layer that protects individual services based in what is the normal and expected behavior, right? Why it is disabled in all run levels expect level 6 (reboot?)? Should I enable it on all run-levels? Should I select which service to protect or the defaults are fine ?

Is netfilter, the basic packet filter on Ubuntu 9.10? I founded iptables and I installed firestarter, but looks like firestarter is protecting nothing from outside, based on this iptables -L output:
Chain INPUT (policy DROP)
target port opt source destination
ACCEPT all anywhere anywhere

This is right? The default policy is DROP but there is a rule that allows anything from anywhere? This make any sense ? And finally, what is ufw and why it is disabled in all runlevels? Is ufw a replacement for iptables, or firestarter or it is a completely new animal? Should I use ufw instead firestarter? I am impressed about how different is Ubuntu/debian from other RH based distros. I just realize how much I have to learn about this new stuff.

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Ubuntu :: 10.04.1: All 'nice' Levels At 0

Sep 30, 2010

I have freshly installed an Ubuntu 10.04.1 by internet.

All is running well, but my nice values are all set to 0. Is there a script that handles these at boot time? How can I reset them to "appropriate" or "normal" levels (e.g. not all at 0)? I know in other installs, my nice levels vary depending on the process and the user.

Attached is a screen shot of my gnome-system-monitor, and aside from init, which I had set to -15, all others are at 0.

Computer specifications:
Linux AMD-LNX000 2.6.32-25-generic #44-Ubuntu SMP Fri Sep 17 20:05:27 UTC 2010 x86_64 GNU/Linux
AMD Athlon 64 Processor 3000+


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