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 Makefile.am and Makefile.in 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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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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Dec 10, 2010
I have been searching for 90 minutes for something that I "think" should be fairly easy. I'm pretty new to Bash Scripting so I could be completely wrong. Then again it may be a weird request to even need something like this. But here it is.I have a script written to convert data from one of our software version to another. The only thing I need to add to it is a "check to make sure the user running the script is in the /tmp directory".
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Jun 17, 2010
Some time ago I installed SDL in Ubuntu 10.04 using Synaptic Package Manager. Now, there are upgrades available for the following packages:
libsdl1.2-dev
libsdl1.2debian
libsdl1.2debian-pulseaudio
Trying to upgrade them seemed to reveal contradictory dependencies. If I select "mark for upgrade" on libsdl1.2-dev or libsdl1.2debian, Synaptic says I have to remove libsdl1.2debian-pulseaudio. But if I select "mark for upgrade" on libsdl1.2debian-pulseaudio, Synaptic tells me that I have to upgrade libsdl1.2-dev and libsdl1.2debian! I'm worried about breaking something, so I haven't upgraded yet. Is there an error in the dependency tree, or am I missing something obvious?
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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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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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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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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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Feb 11, 2010
I am trying to ftp a whole directory tree using vsftpd as ftp server in fedora11
Code:
I am getting error while transfering a directory tree ...
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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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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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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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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:
Code:
The reason for this is that /tmp is mounted in noexec mode, meaning I can't execute code in /tmp directory:
Code:
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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Jun 18, 2011
When "installing" a program that basically just unpacks into a directory of your making. Is there a "common" place to create the directory? I usually end up making it my home folder, but that gets crowded.
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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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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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May 7, 2011
looking to write a dependency map tree that creates a tree structure of object names . This tree will be written to a file and read back to create the tree structure of files . how to write this using bash ?
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Aug 18, 2010
I am working on a PHP enabled webpage that will allow a user to select multiple files and directories to upload from a local machine to an ftp server. I am comfortable with uploading the files from the machine to the server. The problem is making it easy to select all the desired files. What I would like to do is create an expandable file tree that lists all the directories and files on the local filesystem. From there, the user should be able to select directories and files using checkboxes. Upon clicking submit, all of the selected files should be fed into an array of files that can be sequentially uploaded to the ftp server.
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Mar 23, 2011
I'm searching for an algorithm to sort a binary min heap tree. That's when in root i have the smallest value in the tree. The only restriction it has, is that the parent must be smaller the its two children. i think something like quick-sort, but i don't know how to implement it.
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Oct 30, 2010
I am working on an structure program and i have to represent a 2,4 tree in a class in Java using single int array and make the insert and delete functions .
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Jun 4, 2011
I have installed php 5.3.6-4 on centOS 5.6. When i try to install some modules of php then it gives an error
php53-common-5.3.3-1.el5_6.1.i386 from updates has depsolving problems
--> php53-common conflicts with php-common
Error: php53-common conflicts with php-common
[code]....
I have reinstall it twice but each time i get same error.
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Dec 7, 2010
My assessment is making a tree from a text file as follows: -reading a file line by line
-making a binary tree from it
- traverse by level the binary tree
- posting the traversal result to the same file without overwriting the text file- it is required to be append to the bottom of the text file (i have to do this in 4 languages: c#,PHP from Xampp,java, python)
i read the file with this script in java:
public class FileToStringArray {
privateString strLine;
privateString[] stringArray;
privateFileInputStream in;
[Code]...
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Apr 1, 2011
I am working on a build-test system of a set of codes. The system (large enough) is such that one shell script does some work and calls another shell script. This inturn calls a third shell script and so on. How to get the list of all such shell scripts according to the way they are called.? More like a shell script flow tree?
Ex.
Code:
#./1.sh
|
`--> 2.sh
|
`--> 3.sh
|
`--> 4.sh
|
`--> 5.sh ....
.
.
.
etc.
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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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May 31, 2010
I want to extract all the common entries in the given 3 columns(fields) in the file using awk::can somebody tell me how it can be done in awk...the file is::
NC_000858.pttNC_000858.fnaNC_001403.rnt
NC_001362.pttNC_001436.fnaNC_001407.rnt
NC_001364.pttNC_001503.fnaNC_001488.rnt
[code]....
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May 16, 2010
I am trying to learn how to include common elements on every page. At first I made the mistake of calling it ssi but I do not think that is correct in php5. I downloaded phpb3 to look at and they are not doing it that way. they do it like this.
Code...
Problem is I can not find any articles that explain it. I even looked at the php manual and did not find it. Could someone explain this or point me in the right direction.
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May 12, 2011
When I learn shell script, I want to add my own PATH variable to system previous variables. I find that my linux has the below PATH variables (in the end of this message). It shows 'No such file or directory' although I verify that all the directories exist. Some directories are empty indeed. This will result that warning?
I want to make the present PATH variables correct before I add mine.
bash: /usr/lib/mpi/gcc/openmpi/bin:/home/jeff/bin:/usr/local/bin:/usr/bin:/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/games:/usr/lib/jvm/jre/bin: No such file or directory
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Jun 1, 2009
If I want to share a directory called /home/me, would I go to my /etc/exports file and share /home/me/* or would I share /home/me ? I am unsure of how to type this into the file.
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Aug 30, 2010
what is the correct permission for mysql directory under /var/lib directory? I set permission using: Code: chmod 755 mysql but got permission deny error. What is the best setting permission for this directory so that I won't jeopardize security?
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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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