General :: Feedback Requested On Planned Multiple Filesystem Copy
Jan 14, 2010
I am going to be involved with a massive filesystem copy from a local to a remote server in the next couple of weeks. There are ten filesystems in involved in this process. All, except one, are one hundred gigabytes in size, with the remaining one at twenty gigabytes.The cp command with the -pr options will be used to copy the directories to their new location. A speed test, involving ten directories, was done to determine the average amount of time it would take to complete the process. The ten directories used in this test ranged in size from 2.3 gigabytes to 4.3 gigabytes. The results indicated the average amount time to complete the copy was around one minute and thirty seconds.
The question I have is the following: Is it better to interactively go to each filesystem and run the cp -pr command there, or should I write a script that will automatically go to each filesystem and run the copy?
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Nov 17, 2009
Ah, the most dreaded SVN error of them all. It's not even showing up in my Apache logs, either, just on trying to commit.
When I try to add a file to the repository via the following command, I get the error:
Code:
add -N F:eetlemed-1.7workspace
ootClientsrccomeetlemedwebappdataContactInfo.as
A F:/beetlemed-1.7/workspace/rootClient/src/com/beetlemed/webapp/data/ContactInfo.as
commit -m "no more broken commits?" (24 paths specified)
code....
It seems that this error only shows up when I try to add a file to the repo, not when I try to update. I've already run chmod +rwx -R repository, so it should have all of the permissions it could possibly need. The only thing I don't know about is adding it to a group. I don't think my server has an apache group, so I wouldn't know where to start and what to do with that.
This problem happens from time to time, but I can't seem to shake it this time. I'm running SVN over HTTPS on Apache 2.x.
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Jun 11, 2011
I have Ubuntu 10.04
I made a svn server, if I'm going to address: localhost/svn, and when it strikes an error code...
I took all the information at hand to mark the:
https://help.ubuntu.com/8.04/serverg...ubversion.html
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Nov 17, 2009
I'm trying to config Apache and Subversion to work together, I did:
1. yum install mod_dav_svn subversion then I had Subversion and httpd installed!
2. create: /usr/local/subversion/repos
create: /usr/local/subversion/repos/test (by svnadmin create)
create: /usr/local/subversion/access/svnauth.conf (by htpasswd)
added to file : /etc/httpd/conf.d/subversion.conf:
<Location /repos>
DAV svn
SVNListParentPath on
[Code]...
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Sep 1, 2011
Ubuntu has officially jumped the shark. I did an update...restarted and got this:
Quote:
mount: mounting /dev on /root/dev failed: No such file or directory
mount: mounting /sys on /root/sys failed: No such file or directory
mount: mounting /proc on /root/proc failed: No such file or directory
Target filesystem doesn't have requested /sbin/init.
No init found. Try passing init=bootarg
[Code]....
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Apr 6, 2011
I am getting a SSD and I'd like it to become my new Linux boot drive. However, it is smaller than my current hard drive's root Linux partition, so I'd like to copy over the filesystem and exclude some directories (which I'll leave on another hard drive). So I can't just clone the partition with parted or similar because it is too big.
I want to make sure all the data, metadata, links and such are preserved. That seems to exclude "cp" because it doesn't preserve all the metadata and link information.
The two basic techniques I've been able to identify seem to be something like:
find / -xdev -print0 | cpio -pa0V /mnt/dst
and:
rsync -avP -H -S --numeric-ids / /mnt/dst
Can anyone chime in with what they've used in the past, whether one of these or a different method, or if they see any flaws in these approaches.
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Jul 21, 2010
I have a copy of Linux file system in /home/user/desktop/fs/how tp copy it to a usb drive preserving the links
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Jun 7, 2011
I boot up a Linux appliance entirely in RAM, ie. the image has a Linux kernel and an attached ext2 root filesystem.
Now that it's working, I would like to copy the root filesystem from RAM to a NAND flash memory.
Can I just mount the NAND, run "cp -a /* /mnt/nand", reboot with the kernel command line "root=/dev/mtdblock2 rw", and expect Linux to be happy... or is it more involved than this?
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Nov 5, 2010
I am attempting to copy a set of sub folders from their multiple parent directories to a new location.
For example, I have three folders to copy:
I would like them to be copied to:
In actuality there are many folders besides folder1, folder2, folder3, and no numerical order exists. So, the folder named 'photos' would be copied to its parent folder's name in a new location. I would need this to occur for all folders in the '/home/user' directory.
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Jul 27, 2011
A function by name abc is called in many files. I want to copy all the lines with the function call to an output file.A simple grep on function name doesn't help me as the function call is spanning across multiple lines as follows:
abc(parameter1,
parameter2,
parameter3);
So I want to copy all the three lines (till semicolon) to the output file.The problem is because there are more than 200 calls for the same function and I cannot do it manually
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Sep 30, 2009
i used my windows box to connect to ftp(fed box) and i keep getting an error saying "The requested name is valid, but no data of the requested type was found." does anyone know why i cant connect?
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Feb 25, 2011
First off, this isn't the usual "physical" feedback of a speaker being too close to the mic. This mic is part of a headset so there's no way for the output and input to overlap and cause feedback. This mic has worked perfectly for me in the past, but I recently re-installed my OS and it hasn't worked since.
It seems as if my audio out is getting redirected to microphone in. If I open up and sound recording program while I have some audio being output, the output will get echoed back in through the microphone channel, although any actual microphone input is never picked up. I can blow or scream into the mic and there's no indication at all that Linux is picking it up.
I'm running ArchLinux with ALSA. I've gone into alsa mixer and played with just about every channel in every way I can think of, and none of the options seem to fix the problem.
How should I fix this? I use my mic pretty much constantly when I'm on the computer, being without it sucks.
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Jul 27, 2010
I've installed Ubuntu server on a small box with a couple of large hard drives to use as a remote backup server. Since my backups will run nightly in the wee hours, I'm configuring this to use Wake-on-LAN to start the server and run the backup. Once the backup completes - probably on the order of an hour later - another script shuts the server down. Once in a while I'll remote in to update packages and check on the status of the system, though I can check backup logs to insure that is still running.
Need I be concerned about the various cron jobs that periodically run to tidy things up? Should I periodically - say once/month - leave the system up for a full day to make sure that everything that needs to happen will run?
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May 5, 2011
Using redhat linux el5, when I had booted I had pbm repairing filesystem. So I run following commands
1. fsck -l
2. fsck
But I cannot solve the pbm. My pbm is I had important folder "backup" in root folder just I want to copy it in pendrive how to do it.
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Feb 22, 2010
I have my / partition on an SSD that I formatted in ext3 but I now realise that, in order to use TRIM, I need to be ext4. Can I use Partimage to make and image of the partition, format it (using GParted) and then restore the image? Basically, do Partimage files survive a filesystem change?
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Mar 17, 2010
Whenever i copy ELF or BIN files from the filesystem of linux i must get permission denied. For this case i have gone through the linux security module but didn't get much help regarding the permission denied only in case of copy of ELF and BIN files from filesystem. how can i proceed in this. WORK DONE:
1. Downloaded linux-2.6.25.14
WORK NEEDS TO BE DONE:
1. compile the kernel with some modifications in linux security module to get the desired results but this time i am unaware of that.
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Aug 25, 2009
How can you create a script to move or copy files from a main directory into multiple directories below the main directory.
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Dec 31, 2009
I have an email setup where all of the emails from our email host is downloaded to our Linux server using Fetchmail. Then some of the incoming emails are sent to an MS exchange server (server1.domain.com) using Postfix. What i want to do is to send a copy of all emails to Another server (server2.domain.com) for redundancy.Can postfix be configured to send copies out to both?
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Aug 25, 2011
Something to look forward to.[URL]..
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Nov 30, 2010
I am going to install CentOS 5 on my pc , for3d modeling , and i have some doubts about partitioning the system.
I know that i can have /, /var , /tmp , /home and other directories as individual partitions. I know that i can use ext3 , or xfs ( i know that anaconda doesn't let to use xfs, but i know a way of migrate partitions to xfs after installing) or ext4 , and others , without problems.
But i could for example, once installed all with ext3 , have for example / on ext3 , and /var and /home on xfs.
For me it would be very interesting have /home in a another partition and as xfs (migrating it later from ext3) as mostly i will save in /home a lot of big files ,images,dvd isos,renders , binary maya files and like, and i see a advantage of use xfs with /home.
But a lot of people also use xfs for / as well , but as / has a lot of small files , perhaps use xfs on /var and some other directories, could be good (because xfs performance deleting files or other features), and leave / as ext3 for example.
So is it possible to have different filesystem type for some directories under / ,(for example /var and /home as xfs, the rest as ext3 in / ) , without having any problem ?
(not counting using xfs for a directory that won't see improved his performance because has a lot of static small files or like)
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Mar 8, 2011
I've been out of the Linux loop for a little while, but a customer of mine wants a "No Virus) desktop environment, I have gone through the process of installing and configuring Ubuntu 10.10 to work with their client side software, but for the life of me, I can't remember if or how I can create an exact image of this file-system to install on all of the desktops.I would need to have all of the installed programs, Security Certificates, Display settings... basically, I need exactly what I have right now installed from the disc so that "IF" the customer needs to install the environment on new systems, I can just pop the disc in and run.
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Mar 11, 2011
I am trying to mount a file image, like this
mount -o loop /tmp/apps.img /media/apps
But I get the following:
mount: you must specify the filesystem type
I try ext3:
mount -o loop /tmp/apps.img /media/apps -t ext3
dmesg says:
error: can't find ext3 filesystem on dev loop6.
I've also tried ext2, vfat etc. How can I detect the filesystem type of apps.img?
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Mar 24, 2010
I've had a look at some similar threads but as I'm very new to linux they're already a bit technical for me. Sorry, this calls for someone with patience. I gather from other threads that disconnecting an external drive without unmounting is a no-no, and this seems to be the likely cause. Now the disk is read only and I'm unable to change any settings through the usual control panel on ubuntu. I'm just not familiar with the terminal instructions. I tried to cut and past a few command lines from other threads but I got some warnings that proceding could damage data. Like this one: WARNING! Running e2fsck on a mounted filesystem may cause SEVERE filesystem damage.
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Mar 30, 2011
1) sar -d gives: Requested activities not available I need to enable it, but can't find out how to do it. Can you please help? I am on Red Hat 5.6 sar -u works though as configured by systat in /etc/cron.d
2) Also, I have another system Red Hat 4 where it's working but I searched through all /etc/*cron* and couldn't find anyplace where it's enabled even though sar -d works
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Nov 29, 2010
First and foremost, I really appreciate this newer release of Ubuntu 10.10. My boss wanted to use SLAX, but I had great experience with 8.10 and I have installed 10.10 on laptops and netbooks. on with the challenge for the day: I have configured a user's profile on 10.10 to startup Firefox in kiosk to go to our secure portal. The problem is I don't particularly care to REDO configure a user's profile session over and over.
So, if any of you whiz kids out there can come up with a better way to copy a user's profile...particularly the files that are used for Mozilla Firefox so that I can just copy and paste the files onto another hard drive with a fresh 10.10 that would be great.
The ONLY issue I have working with Linux is that I can not rapidly deploy my settings I have set for 'user' as I can with Windows. I am sure if there was a way to do this, deployment of Ubuntu 10.10 would go MUCH faster. As it stands, if I am able to pull this off...there will be a potential of removing Windows desktops. Which is fine for me because I can manage desktops a little easier on this platform than Windows.
This is what I have installed in Ubuntu:
IcedTea (for Java plugin for Firefox)
Profile Editor
R-Kiosk
All those work great with Firefox, but getting those installed on a new system is a bit daunting.especially when some users suggest doing cloning when in reality...I plan to do the install via LiveCD and THEN hopefully create the user on the fly in Terminal and copy the user files needed off a flash drive into the home/user folder
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Aug 25, 2010
I've been trying to sort this out for several hours and I?m totally lost? I?ve been searching around, but haven?t found the solution to my problem. I have a directory with 100 files. I need to copy 10 lines of each files (let?s say from line 45 to 55) into one unique file. So I guess I could use sed ?w, but I didn?t manage to write the right script. I also tried using a loop to create 100 different files, each one with the 10 lines) to concatenate them later on. But I only got 1 file, not 100.
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Aug 5, 2010
i want to copy one or more files or directory from one drive to multiple drive simultaneously. It like a cloning a disk. But i dont like clone entire disk. i want to copy/clone only certine files or folder. if any one can know how to copy one source to multiple destination simultaneously.
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May 18, 2011
I am very new to linux, and I have a question regarding the filesystem check (fsck). The power recently went out and when I tried to restart linux the following error appears:
*/dev/sda1 contains file system w/errors, check forced it then goes on to say..
*An error occured during the file system check. Dropping you to a shell; the system will reboot when you leave the shell. Give root password for maintenance (or type Control-D to continue) I wasn't sure what to do, but checked some other online forums and they suggested running fsck manually - so I typed in the root password - and used the command, "fsck -A -V ; echo == $? ==" it then gave the following message
*WARNING!!! Running e2fsck on a mounted filesystem may cause SEVERE filesystem damage
*Would you like to continue (y/n)
Again, I wasn't sure what to do so i just checked no. I then manually turned off the computer and was prompted at the beginning to press Alt-3. I was brought to another screen and it informed me one of the drives was degraded and suggested rebuilding the array. I tried doing this, but it still brings me back to the original error of, "/dev/sda1 contains file system w/errors, check forced," and the process continues.
Also, when I tried to rebuild the array, I didn't backup any of the data on our home directory before doing this (which was probably a big mistake). After being prompted to type the root password, I was able to give the ls command and look at all the directories...the home directory where our data was stored was empty and I am afraid I may have lost some information. Is there a possibility that data was lost when I was trying to rebuild using the old drives?
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Oct 1, 2010
Device/Special file Clairification Requested.I'm reading a short article on Device/special files because it is related to VFS. This article has this paragraph that has to many pronouns in it to get an understanding of. URL..."In short, a device file (also called as a special file) is an interface for a device driver that appears in a file system as if it were an ordinary file. This allows software to interact with the device driver using standard input/output system calls, which simplifies many tasks."
What does a Device file have to do with the Application and the Driver communicating? Wouldn't the order of data transfer be , Application to driver and then to Device file?
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Jul 12, 2010
My squid configuration is based on a whitelist only basis.
Im trying to do a dynamic whitelist for squid, which allow URLs in the whitelist when the requested URL comes from a trusted search engine like www.kidrex.org. However, when i access www.example.com and tried and find www.kidrex.org on the referer column, i could not see www.example.com as the requested websites.
Any idea how to get pass this problem, else i would have a hard time building my whitelist, which is not dynamic at all
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