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• What is the best way to remove duplicate files on web hosting's FTP server?

  - by Eric Harrison

  For some reason(Happened before I started working on this project)- my client's website has 2 duplicates of every single file. Effectively tripling the size of the site. The files look much like this: wp-comments-post.php | 3,982 bytes wp-comments-post (john smith's conflicted copy 2012-01-12).php | 3,982 bytes wp-comments-post (JohnSmith's conflicted copy 2012-01-14).php | 3,982 bytes The hosting that the website is on has no access to bash or SSH. In your opinion, what would be the easiest way to delete these duplicate files that would take the least time?

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• getent passwd fails, getent group works?

  - by slugman

  I've almost got my AD integration working completely on my OpenSUSE 12.1 server. I have a OpenSUSE 11.4 system successfully integrated into our AD environment. (Meaning, we use ldap to authenticate to AD directory via kerberos, so we can login to our *nix systems via AD users, using name service caching daemon to cache our passwords and groups). Also, important to note these systems are in our lan, ssl authentication is disabled. I am almost all the way there. Nss_ldap is finally authenticating with ldap server (as /var/log/messages shows), but right now, I have another problem: getent passwd & getent shadow fails (shows local accounts only), but getent group works! Getent group shows all my ad groups! I copied over the relavent configuration files from my working OpenSUSE 11.4 box: /etc/krb5.conf /etc/nsswitch.conf /etc/nscd.conf /etc/samba/smb.conf /etc/sssd/sssd.conf /etc/pam.d/common-session-pc /etc/pam.d/common-account-pc /etc/pam.d/common-auth-pc /etc/pam.d/common-password-pc I didn't modify anything between the two. I really don't think I need to modify anything, because getent passwd, getent shadow, and getent group all works fine on the OpenSUSE11.4 box. Attempting to restart nscd service unfortunately didn't do much, and niether did running /usr/sbin/nscd -i passwd. Do any of you admin-gurus have any suggestions? Honestly, I'm happy I made it this far. I'm almost there guys!

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• Partial sync of Mysql databases on two remote computers

  - by Beck

  Does mysql replication supports delayed sync if remote slave server is OFF? For example I want to make my developing server have a fresh copy of databases each morning. It should be partial sync, not full copy of databases each morning. And synchronization should be only ONE way, not duplex, to avoid deleting something of master server. What utilities are out there or native functionality of mysql itself? Thanks!

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• Linux: How to break a large file into smaller files?

  - by Runcible

  I have a giant file (20 gigs) sitting on my source machine and I need to transfer it to my target machine. For the purposes of this question, let's assume that I do not have network connectivity between the two machines. I need to break this file into a series of smaller files, write the smaller files to DVD(s), then re-assemble everything on the target machine. Both source and destination machines are Linux boxes. Is there a way to accomplish this using tar? I have a feeling that I need to use the --multi-volume parameter. What are my options? I need to be able to specify the size of the volume files, in order to make sure that each one will fit onto a single DVD. Thanks!

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• LUNS access issue in ESX4 Cluster server

  - by rmustafa

  HI, I've created volumes in equallogic in PS 6000 XV(having 2 member which is in 1 pool), checked & those volumes can be easily detected my ISCSI software in windows. But the problem with ESX , not able to see the assigned disk on ESX server, I can explain what I've done: 1.Created Cluster with enabled HA & DRS 2.Added 3 ESX4 HOST 3.Added VMkernel & configured in all 3 ESX4, enabled vmotion & FT on the same adapter. 4.went to iSCSI storage adapter properties, enabled iSCSI 5.Trying to discover the available storage with the controller IP on dynamic discovery, but not able to see the assigned storage Note: the same volume is accessed to windows that means there is no issue from storage , am I right ???? Note: I wanted to mount the same volume in all 3 ESX host. Please suggest .... Thanks & Regards, Rashid Mustafa

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• From which plex am I booted from on raid?

  - by rumburak

  I have a server with mirrored boot volume. It is software raid 1 in Windows Server 2008 R2. I do not have physical access to the server. I am looking for a way to check which disk is a boot drive. I need a way to check it from os. How can I do that ? EDIT: I know how to do that, but I dont think its proper way. From diskpart I can break mirror: select volume 0 break disk=0 And Windows will only allow me to do that on not current boot disk. I want to check which one is boot without breaking mirroring.

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• Windows Server 2008 R2 Finding Hidden files that are causing drive to fill up

  - by Xaxum

  What is the best way to find out what files are sucking up so much space? My Windows directory lists its size as 15 GB but when I run a powershell script against it, it shows 40 GB. It seems 40 GB is about right because if I use that 40 GB and add it to the rest of my folders on C I get the 45 GB that is in use. I checked volume shadow copy and that is disabled and there are no volume shadow files listed. My page file is limited to 3 GB. How can I find out what files are taking 25 GB of space? Final Results: We ended up disabling UAC and then the Properties showed the true file size of the Windows folder, as shown in powershell script. This allowed us to drill down to the folder that had the issues... In our case it was in C:\Windows\System32\config\systemprofile\AppData\Local\VMware\VDM there were several large dump files, these were the mysterious unknown files in WinDirStat. It turns out our nessus scan is crashing a view service for a couple seconds so it creates a large dump file. So we will try this.. https://discussions.nessus.org/thread/5212

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• UDF filesystem -> Maximum number of files

  - by user978122

  I am considering partitioning a rather large hard drive with the UDF filesystem for an experiment, and would like to ask if anyone knows the maximum number of files, either by directory, or as a whole, that the UDF filesystem can handle? For some background, I looked at the JFS and XFS filesystems (NTFS has a limitation of the number of files per volume); however, since I run Windows, that's kind of out. UFD, on the other hand, does not appear to have these limitations, but then, I cannot really find any information on just how many files per volume the UDF file system supports.

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• How should I use LVM with Ganeti?

  - by javano

  I am building a small Ganeti cluster on some low end hardware (I only have the resources given sadly). I am confused as to the use of LVMs with DRBD. I have two instances and three nodes. What I want is instance1 replicated between node 1 & 2, and instance2 replicated between nodes 3 & 2 (so node2 is doing nothing, except waiting for either node1 or 3 to fail, is it is the secondary node for both instances). This is because node2 is a lower hardware spec than 1 and 3, so I just want it as an hot-spare. How can I achieve this? I don't want instance1 being replicated to node3 for example, nor instance2 replicated to node1. Nodes 1 & 2 have /dev/sda5 which is 150GBs (for example). Nodes 2 & 3 have /dev/sda6 which is also 75GBs (for example). Using just nodes 1 & 2, after looking at the Ganeti docs I would; vgcreate my-vg Next I would create the cluster via gnt-cluster VG = "my-vg". It is here I believe that I am missing some knowledge. I believe that what I need to do is create the same Logical Volume on nodes 1 & 2 in Volume Group "my-vg", that solely consists of /dev/sda5 and call it "lv1". Then create an Logical Volume on nodes 2 & 3 the solely consists of /dev/sda6 in "my-vg" that is called "lv2". When creating instance1 I would then use "-vg=lv1 -n node1:node2", and when creating instance2 I would use "-vg=lv2 -n node3:node2". I breifly had a go at this today and I'm dubious if this will be possible. When trying to create instance2, "lv2" wont exist on node1 (the cluster master) so I don't believe it will allow the instance creation. Could I create a 1kb parition (/dev/sda6) on node1 and put it into a LV called "lv2" or is that too flakey? Is this set up possible? Thank you.

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• Microsoft Expression Studio 4 Ultimate license problem.

  - by Sung Meister

  I have installed a volume licensed version of Expression Studio 4 Ultimate. When I contacted support, I was told that a product key is not required for volume license version. But after I installing it, I get folowing error message: A licensing error has occurred. Restart your Expression program and try again. If you continue to receive this error message, reinstall your Expression program to make sure that the license installs correctly. As a side note, I used to have full version of Blend 3 and Blend 4 Beta installed side by side.

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• fsck: FILE SYSTEM WAS MODIFIED after each check with -c, why?

  - by Chris

  I use a script to partition and format CF cards (connected with a USB card writer) in an automated way. After the main process I check the card again with fsck. To check bad blocks I also tried the '-c' switch, but I always get a return value != 0 and the message "FILE SYSTEM WAS MODIFIED" (see below). I get the same result when checking the very same drive several times... Does anyone know why a) the file system is modified at all and b) why this seems to happen every time I check and not only in case of an error (like bad blocks)? Here's the output: linux-box# fsck.ext3 -c /dev/sdx1 e2fsck 1.40.2 (12-Jul-2007) Checking for bad blocks (read-only test): done Pass 1: Checking inodes, blocks, and sizes Pass 2: Checking directory structure Pass 3: Checking directory connectivity Pass 4: Checking reference counts Pass 5: Checking group summary information Volume (/dev/sdx1): ***** FILE SYSTEM WAS MODIFIED ***** Volume (/dev/sdx1): 5132/245760 files (1.2% non-contiguous), 178910/1959896 blocks

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• How can one undo many hard links?

  - by tOM Trottier

  I foolishly used Dupemerge to change all my duplicate files into hard links. Now Windows XP is not running right, eg, explorer won't start. Is there a utility which would traverse the filesystem looking for hard links, copy the file, delete the original link, and rename the copy, keeping the original attributes and name?

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• Webcam microphone input in Gnome/pulseaudio

  - by sdaau

  Just got a "Trust" webcam, which gets recognized on my Ubuntu Lucid. It has a built in microphone - which also gets recognized - however, I cannot really get it to act as the system microphone input? Here are some screenshots of what is shown by gnome-volume-control: The default window shows Trust webcam - which has two profiles: "Analog Mono Input" and "Off" - of course, I have it on "Analog Mono Input": However, on the "Input" tab - there is no matching "device for sound input" - neither a matching connector: Then I installed pavucontrol - but that doesn't show that much more; it tells first that gnome-volume-control reads from "Internal Audio Analog Stereo": Then in "Input devices" tab, there is again nothing resembling the mic input from webcam: Finally, under "Configuration" tab, the "Trust" webcam shows, but even if its profile is on "Analog Mono Input", nothing much happens:   So, does anyone know how I could get this webcam microphone to be recognized as the system input? Many thanks in advance for any answers, Cheers!

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• SQL Server plus small files

  - by user1467163

  I have a MSSQL server, 3 volumes, that runs some processes that seem to take way too long. One of these processes reads in a zip file, then writes to a database based on what's in the zip file.... for each record. I have 2 volumes in use and am creating the third- so I am trying to plan how to do this. OS has to remain on vol. 1. The TLogs should probably go on the new volume and the mdf's on the existing vol.2.. Do I put the file store on the volume with the MDF's so they don't interfere with the TLog writes, or with the TLogs so they don't interfere with the TLog flush to the MDFs? I know it's best to have more servers / volumes but I have to make do with whats on hand for now. I appreciate any suggestions.

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• How to install Several Tomcat instances on Ubuntu?

  - by tputkonen

  I need to have two instances of Tomcat 6 running on Ubuntu 10.04. I know it should be doable pretty simply by something like: copy /var/lib/tomcat6 to /var/lib/tomcat6-2 modify ports in /var/lib/tomcat6-2/conf/server.xml copy /etc/init.d/tomcat6 to /etc/init.d/tomcat6-2 modify /etc/init.d/tomcat6-2... ...but my problem is that I'm unsure what I should modify in /etc/init.d/tomcat6-2. Chaging the NAME in the beginning of the file clearly is not enough.

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• Am I obligated to install Windows Genuine Advantage Notifications to receive all Microsoft updates?

  - by Pieter

  Do I have to install WGA Notifications to receive all Microsoft updates? I currently don't have it on my hard drive, and I get a notification from Microsoft Update urging me to validate my copy of Windows XP. If I don't validate my copy, I don't get all updates. When I click the link however, I get an ActiveX error message. (Yes, I'm doing this in IE8.) Could this have something to do with my decision not to install WGA Notifications?

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• MPlayer refuses to generate mono wav file

  - by JCCyC

  I want to downsample an existing audio file to 8KHz mono. This command line downsamples it to stereo: mplayer -quiet -vo null -vc dummy -af volume=0,resample=8000:0:1 -ao pcm:waveheader:file="/tmp/blah1.wav" ~/from_my_cellphone.3ga It generates a file that the file utility identifies as stereo: $ file /tmp/blah1.wav /tmp/blah1.wav: RIFF (little-endian) data, WAVE audio, Microsoft PCM, 16 bit, stereo 8000 Hz Now, if I read the documentation correctly, I should add pan=1:0.5:0.5 so I get a file that's half the size: mplayer -quiet -vo null -vc dummy -af volume=0,resample=8000:0:1:pan=1:0.5:0.5 -ao pcm:waveheader:file="/tmp/blah2.wav" ~/from_my_cellphone.3ga But it doesn't! blah2.wav is identical to blah1.wav! What am I doing wrong?

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• GRUB2 UEFI booting from LVM on RAID (with XEN)

  - by pavian

  I'm experimenting with booting root fs from LVM volume inside the raid (mdraid superblock 1.x) via UEFI with GRUB2. Also I'm using Xen hypervisor. From grub command line I can see my lvm volume (ls command) but I got kernel panic due to "unable to mount root fs". I saw a note in this article telling it's probably impossible to boot root fs from raid via UEFI, but I don't understand the reason why not. Is it possible to boot linux with this configuration without the initramfs (which I don't won't to use)?

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• What's the best way to move a windows 7 installation from a hdd to another?

  - by Balázs Pozsár

  I have a hdd with windows 7 installed on it. I would like to move (or clone) the whole system to another (in this case smaller) hdd. What is the best and easiest way to do it? Basically I would need some kind of copy operation which would handle the differenct hdd sizes and copy everything including the boot loader. What method do you recommend?

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• How to interpret IOZone results?

  - by homer5439

  Here are the resuts of running IOZone on an ext3 filesystem on an LVM volume residing on a SAN LUN (it was ran with 5 parallel processes). "Throughput report Y-axis is type of test X-axis is number of processes" "Record size = 4 Kbytes " "Output is in Kbytes/sec" " Initial write " 81628.55 " Rewrite " 83354.72 " Read " 115595.02 " Re-read " 119306.09 " Reverse Read " 47684.20 " Stride read " 10011.09 " Random read " 16751.27 " Mixed workload " 5659.77 " Random write " 1661.85 " Pwrite " 36030.83 Now this is all nice and dandy, but my question is: how do I know whether the values are as good as they could be or there is something to tweak (and if so, what?) The actual usage I will have for that Logical Volume is to act as virtual disk for a VM.

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• Should use EXT4 or XFS to be able to 'sync'/backup to S3?

  - by Rafa

  It's my first message here, so bear with me... (I have already checked quite a few of the "Related Questions" suggested by the editor) Here's the setup, a brand new dedicated server (8GB RAM, some 140+ GB disk, Raid 1 via HW controller, 15000 RPM) it's a production web server (with MySQL in it, too, not just serving web requests); not a personal desktop computer or similar. Ubuntu Server 64bit 10.04 LTS We have an Amazon EC2+EBS setup with the EBS volume formatted as XFS for easily taking snapshots to S3, via AWS' console. We are now migrating to the dedicated server and I want to be able to backup our data to Amazon's S3. The main reason being the possibility of using the latest snapshot from an EC2 instance in case of hardware failure on the dedicated server. There are two approaches I am thinking of: do a "simple" file-based backup with rsync, dumping the database' and other files, and uploading to amazon via S3 API commands, or to an EC2 instance, or something. do a file-system "freeze" (using XFS) with the usual ebs/ec2 snapshot tool to take part of the file system, take a snapshot, and upload it to Amazon. Here's my question (or series of questions): Can I safely use XFS for the whole system as the main and only format on the dedicated server? If not, is it safe to use EXT4? Or should I use something else? would then be possible to make snapshots of the system to upload to Amazon? Is it possible/feasible/practical to do what I want to do, anyway? any recommendations? When searching around for S3/EBS/XFS, anything relevant to my problem is usually focused on taking snapshots of a XFS system that is already an EBS volume. My intention is to do it in a "real"/metal dedicated server. Update: I just saw this on Wikipedia: XFS does not provide direct support for snapshots, as it expects the snapshot process to be implemented by the volume manager. I had always assumed that I could choose 2 ways of doing snapshots: via LVM or via XFS (without LVM). After reading this, I realize these 2 options are more like it: With XFS: 1) do xfs_freeze; 2) copy the frozen files via, eg, rsync; 3) unfreeze xfs With LVM and XFS: 1) do xfs_freeze; 2) make a binary copy of the frozen fs via lvcreate and related commands; 3) unfreeze xfs; 4) somehow backup the LVM snapshot. Thanks a lot in advance, Let me know if I need to clarify something.

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• Disk Utility Restore causes "Could not validate resource - Invalid Argument"

  - by Yahoo

  I have a problem with Disk Utility on Mac OS X 10.6. I have an image of Windows that I would like to use as a bootable volume on a pen drive or external hard drive. The thing is: When I try to restore the volume from the image I get an error: "Restore Failure: Could not validate resource - Invalid Argument" I read some information about that error on the Internet. I converted the image into .iso (Mac OS Extended/ISO (Joliet) Hybrid Image) format and then got this error: "Restore Failure: Could not find any scan information. The source image needs to be imagescanned before it can be restored." When I try to scan the image for Restore, I get the first message. I really read a lot of information about this topic on the Internet, but I haven't found the solution. I tried both ISO and DMG formats; I don't know which is best.

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• Navicat Premium Essentials - Mac OS Maverick

  - by Alberto Schiariti

  Do anyone know why since Maverick update, Navicat can't connect anymore to any database which is saved into "/Users/Username" folder? It keeps saying: "Database file path is not correct". If I copy/paste the same DB in any other folder it connects perfectly. I need to open DBs in that folder because that's the folder where Xcode put the Apps ones and I can't everytime I need to modify them, copy/paste them on my desktop and then put them back again.

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• Time Machine (archive) of pre-Leopard systems?

  - by benc

  I want to get off an older Mac OS X system permanently. It is an iBook G3, so that has two important characteristics: Power PC, not Intel based. Runs only Tiger, not Leopard. This means, as far as I can tell: Cannot run Time Machine directly. Here's the approach I have been contemplating: Mount the drive in Firewire mode. Back up the drive as a external drive to the Time Machine volume. Disconnect the drive (permanently). However, I'm concerned that this drive will eventually age out, when the Time Machine volume fills up, and the old-system-as-external-drive is gone. Would it be better to do a single backup with another utility, to shared disk?

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• Migrating Windows Server 2003 installation to new hardware

  - by Alex

  I have a Windows 2003 Server that I want to migrate to new hardware. All the setup and configuration was done by my predecessor. Right now I'm in a real time crunch and I just want to copy all the files and settings to the new machine. Is there an easy way to do this or do I need to manually copy all the files and add all the settings? Microsoft KB suggests "Automated System Recovery", is this the best way forward?

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