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• Make reading more comfortable for the eyes

  - by Shiki

  First, I read the topics about displays. Sadly the "BenQ FP241WZ" is a no go, for ~715 eur it's way too much. I would need some ideas about how could I make reading less tiring. Basically I didn't have this problem back then. But now, I'm reading some books, and also, have to read a lot a day. (A LOT). I look like some hardcore 0-24 gamer when I "finish" :). Think about things like.. background color (like I read 'dark yellow' color + black tint helps), font size, fonts (!) cleartype settings (should be off?) and so on. Display: BenQ E2200 HD (yeah cheap, eek, etc. Poor-man's LCD. :)) My CRT display is far away at the minute. So that is out of question. Also, my ThinkPad is here (T500), but I don't know about it's display. It comes with 1280x800 resolution and that's all I know (you can search back from that the FRU number, but I couldn't find it now). What could I do? (Or basically everyone in such a situation?)

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• Converting PDF eBooks into a Kindle format

  - by Ender

  Over the past couple of years I've amassed quite a collection of guides, tutorials and ebooks in PDF format. A lot of these are quite useful for work, especially PDF documentation, and rather than have to be at a computer every time I want to read how to do something in Sitecore or to read through a software testing ebook I'd like to do it on my brand-spanking-new Kindle. However, even though there is now a native PDF reader on the Kindle due to the nature of PDF's they are practically unreadable. The text doesn't wrap due to how PDF's are sized and so far after a bunch of Google searches I've yet to find a viable solution to get my PDF's converted into a readable Kindle format. Sometimes these books have code or pictures/tables in them, but most of the time they're text-heavy and to be honest I'd be surprised if there wasn't a free tool to handle the converting of PDF to one of the (seemingly many) Kindle formats. So, can anyone help me out with this? EDIT: I've tried Calibre, and have checked their forums to play with some of the advanced settings, yet the solutions available seem to be extremely poor, especially if the book you're attempting to read contains equations, code, or anything outside of plain text. I've also tried Amazon's conversion service, which wasn't much help with such documents. The best way I have found so far is to build the entire thing over again in ePub or RTF format and convert to MOBI from there. This works for text-heavy books with tables, but anything technical still isn't covered. Can anyone help with this?

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• Mavericks permission issues with Windows Server deduplicated shares

  - by dmohlmaster

  We have a number of 10.9-10.9.3 - Mavericks - machines installed throughout our facility. Much of the user content is pulled from shares stored on our Windows Server 2012 fileservers with deduplication enabled. I have found that files newly written or unoptimized are able to be accessed without issue - read, written, modified, etc. Once the file gets optomized/deduplicated and Windows adds the P & L attributes - sparse and symlink - the Macs running Mavericks begin to have access issues. Once the files get deduplicated, users begin receiving read access errors when copying files (see error1 below). This happens when copying to folders within the current folder tree or copying somewhere to the local system. If you 'stop' the copy operation and retry a few more times, it may eventually work for the specific instance but fail again later. I am however, able to copy these files without issue via the terminal. Other systems running 10.7 do not experience the same issues and are able to access file server resources without issue. Many of the systems having issues are newer and thus not able to be downgraded to 10.8 or 10.7. I have tried finder replacements such as Pathfinder but the results are the same. I know this is at least similar to the issues many Mac users are already experiencing and posting about but I haven't seen it directly linked to deduplication and the attributes written by Windows server. Has anyone seen this issue? Have any solutions been found? Error 1: When copying files after the PL attributes have been set by deduplication. "One or more items can't be copied to "Foler" because you don't have permissions to read them. ******************************************' Via the system.log, I am also seeing the following error when accessing these deduplicated file shares. The reparse point tag listed below is "IO_REPARSE_TAG_DEDUP" Reported error: "smbfs_nget: filename.ext - unknown reparse point tag 0x80000013"

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• Is git-annex appropriate for my scenario?

  - by Karel Bílek

  I have a git repository with source codes I want to put in the open on github. However, I also have gigabytes of data that I don't want to have in the open and in the repo - they are big, they are proprietary, they are "burdened" with copyrights and so on. However, those are also logically "part of the same project" and I wish to have some control over their history (basically, what git already does). Right now, I have them in the directory "data" in the repository and I have the directory ignored and I resign on getting them to git. However, I have read about git-annex and it seems it can do what I want. So, I have two questions. Is git annex appropriate for me? How exactly should I use git annex for my scenario? Meaning - which commands should I use and how? I have tried to read the official documentation but it talks about use cases that I don't care about. I have the data on one computer only and I don't think I will be moving them soon (it's nice to have the possibility, but it's not why I want to use git annex). Also, the documentation is pretty hard to read.

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• Using Samba to share a folder from a Linux guest with a Windows host in VirtualBox

  - by AmV

  I would like to share a folder from a Linux Guest with a Windows host (with read and write access if possible) in VirtualBox. I read in these two links: here and here that it's possible to do this using Samba, but I am a little bit lost and I need more information on how to proceed. So far, I managed to set up two network adapters (one NAT and one host-only) and install Samba on the Linux guest, but now I have the following questions: What do I need to type in samba.conf to share a folder from the Linux guest? (the tutorial provided in one of the links above only explains how to share home directories) Are there any Samba commands that need to be executed on the guest to enable sharing? How do I make sure that these folders are only available to the host OS and not on the Internet? Once the Linux guest is setup, how do I access each of the individual shared folders from the Windows host? I read that I need to mount a drive on Windows to do this, but do I use Samba logins, or Linux logins, also do I use localhost? or do I need to set up an IP for this? Thanks!

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• Recommended Smartphone for Reading PDFs [closed]

  - by mika

  This is as much a software than a hardware question. I use a lot of public transport and perhaps the best way to spend your time there is to read while listening to music. Currently I use Nokia E90 and Adobe Reader LE 2.5 (full version). I was wondering if there are any better alternatives? Requirements: at least 640px wide screen, preferably 800px physical size of the LCD display matters, it should be large, but the phone itself should be as small as possible. This favors touchscreen models PDF reader should be of high quality. It should render most PDFs correctly. Other important features include: full screen mode, keyboard controls for Page Down and page change, multiple zoom levels to adjust to the screen, opening recent documents at the last page read Downsides of E90 + Adobe Reader LE Phone is large compared to the display It is hard to read the display at sunlight Adobe Reader crashes the phone regularly, zoom could have more levels, doesn't remember last page EDIT: Switched to iPhone and GoodReader. Smaller physical screen width compared to E90 is a disimprovement, but other than that I'm happy. GoodReader is the highest quality smartphone PDF reader I've seen so far.

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• Isolating Apache virtualhosts from the rest of the system

  - by JesperB

  I am setting up a web server that will host a number of different web sites as Apache VirtualHosts, each of these will have the possibility to run scripts (primarily PHP, possiblu others). My question is how I isolate each of these VirtualHosts from eachother and from the rest of the system? I don't want e.g. website X to read the configuration of website Y or any of the server's "private" files. At the moment I have set up the VirtualHosts with FastCGI, PHP and SUExec as described here (http://x10hosting.com/forums/vps-tutorials/148894-debian-apache-2-2-fastcgi-php-5-suexec-easy-way.html), but the SUExec only prevents users from editing/executing files other than their own - the users can still read sensitive information such as config files. I have thought about removing the UNIX global read permission for all files on the server, as this would fix the above problem, but I'm not sure if I can safely do this without disrupting the server function. I also looked into using chroot, but it seems that this can only be done on a per-server basis, and not on a per-virtual-host basis. I'm looking for any suggestions that will isolate my VirtualHosts from the rest of the system. PS I'm running Ubuntu 12.04 server

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• Retrieve a user's Exchange database in powershell

  - by Paul

  Hey Everyone, I've scoured the interwebs for a few days now off and on to find this. I am creating a powershell script for email-enabling new user's(Exchange 2007). To give you a little background when we have a new hire, their AD account is created at our off-site helpdesk, but they don't create their email account. I'm trying to automate the process of mail-enabling the user which involves putting them in the same database as an existing user, disable imap pop activesync, and lastly email the requester of the ticket. I would like to just get prompted for the New User's name, User to Replicate(mailbox, storage group, database), and the person to email after it's been created. So if someone could just help with a command to Retrieve a user's Exchange database in powershell that would be great, but if people also want to help with my hacked up script please do so as well!!! Here is what I have so far: Write-output “ENTER THE FOLLOWING DETAILS” $DName = Read-Host “User Diplay Name" $RUser = Read-Host "Replicate User(Database Grab)" ***$RData = #get the Replicate user's mailbox database here*** $REmail = #either just use a Read-Host “Requester's Email address" or ask for Requester's name and pipe through their email address by digging for it w/ powershell Enable-Mailbox -Identity "$DName" -Database "$RData" Send-MailMessage -From "John Doe <[email protected]>" -To (put $REmail here which is the Requester's email) -Subject "Test Person's email account" -Body "Test Person's email account has been setup.`n`n`nJohn Doe`nGeneric Company`nSystems Administrator`nOffice: 123.456.7890`[email protected]" -SmtpServer genericexchange.exchange.com

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• external drive and CentOS - Reset high speed USB device number

  - by Phil

  I have 2 external drives (3TB) and both will not work with my centOS Box. Tested them in windows ( different machine ) No problems ( 2.6.32-279.9.1.el6.i686 ) dmesg reports: usb 2-2: new high speed USB device number 3 using ehci_hcd usb 2-2: New USB device found, idVendor=2109, idProduct=0700 usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 2-2: Product: USB 3.0 SATA Bridge usb 2-2: Manufacturer: VIA Labs, Inc. usb 2-2: SerialNumber: 0000000000006121 usb 2-2: configuration #1 chosen from 1 choice scsi6 : SCSI emulation for USB Mass Storage devices usb-storage: device found at 3 usb-storage: waiting for device to settle before scanning usb-storage: device scan complete scsi 6:0:0:0: Direct-Access ST3000DM 001-9YN166 CC4B PQ: 0 ANSI: 2 sd 6:0:0:0: Attached scsi generic sg3 type 0 sd 6:0:0:0: [sdd] Very big device. Trying to use READ CAPACITY(16). sd 6:0:0:0: [sdd] 5860533165 512-byte logical blocks: (3.00 TB/2.72 TiB) sd 6:0:0:0: [sdd] Write Protect is off sd 6:0:0:0: [sdd] Mode Sense: 00 06 00 00 sd 6:0:0:0: [sdd] Assuming drive cache: write through sd 6:0:0:0: [sdd] Very big device. Trying to use READ CAPACITY(16). sd 6:0:0:0: [sdd] Assuming drive cache: write through sdd: sdd1 sd 6:0:0:0: [sdd] Very big device. Trying to use READ CAPACITY(16). sd 6:0:0:0: [sdd] Assuming drive cache: write through sd 6:0:0:0: [sdd] Attached SCSI disk Tyring to use cfdisk / fdisk / gdisk or even fdisk -l results in the program hanging and dmesg reports: usb 2-2: reset high speed USB device number 3 using ehci_hcd usb 2-2: reset high speed USB device number 3 using ehci_hcd usb 2-2: reset high speed USB device number 3 using ehci_hcd I have the same 2 drives physically installed in the computer via SATA Any Ideas?

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• Office Compatibility Pack and File Permissions

  - by hymie

  MS isn't my thing, so I hope somebody can give me a pointer. We have a Windows domain, with a Server-2003-SP1-Enterprise file server. One of the specific files is a MS Excel 2007 (XLSX) file created by user LK. In the "Security" preferences setting, about a half-dozen users (including me) have access to this file. LK is the owner and has "full control", while the rest of us have "Read" , "Read & Execute", and "Write" permission. LK is also the owner of the directory that this file resides in. I don't know if that's relevant. So far so good. My desktop machine has Windows XP SP3 , and Excel 2003 SP3 , and the "Office Compatibility Pack" which lets me read and write the new XLSX files. However, whenever I write the file, the permissions are changed. The newly-written file only has permissions for LK and me, and both are "Full control" So in short, what am I doing wrong, and how should I set this up to do it right, keeping the permissions on the file that were there when I started?

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• Almost All Xenserver Logical Volumes Disappeared - Recovery?

  - by Alex

  We had a hard disc crash of one of two hard discs in a software raid with a LVM on top. The server is running Citrix xenserver. On the hard disk which is still intact, the volume group gets detected well, but only one LV is left. (some hashes replaced by "x") # lvdisplay --- Logical volume --- LV Name /dev/VG_XenStorage-x-x-x-x-408b91acdcae/MGT VG Name VG_XenStorage-x-x-x-x-408b91acdcae LV UUID x-x-x-x-x-x-vQmZ6C LV Write Access read/write LV Status available # open 0 LV Size 4.00 MiB Current LE 1 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 253:0 root@rescue ~ # vgdisplay --- Volume group --- VG Name VG_XenStorage-x-x-x-x-408b91acdcae System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 4 VG Access read/write VG Status resizable MAX LV 0 Cur LV 1 Open LV 0 Max PV 0 Cur PV 1 Act PV 1 VG Size 698.62 GiB PE Size 4.00 MiB Total PE 178848 Alloc PE / Size 1 / 4.00 MiB Free PE / Size 178847 / 698.62 GiB VG UUID x-x-x-x-x-x-53w0kL I could understand if a full physical volume is lost - but why only the logical volumes? Is there any explanation for this? Is there any way to recover the logical volumes? EDIT We are here in a rescue system. The problem is that the whole server does not boot (GRUB error 22) What we are trying to do is to access the root filesystem. But everything was in the LVM. We have only this: (parted) print Model: ATA SAMSUNG HD753LJ (scsi) Disk /dev/sdb: 750GB Sector size (logical/physical): 512B/512B Partition Table: msdos Number Start End Size Type File system Flags 1 32.3kB 750GB 750GB primary boot, lvm And this 750GB LVM volume is exactly what we see on top. edit2 Output of vgcfgrestore, but from the rescue system, as there is no root to chroot to. # vgcfgrestore --list VG_XenStorage-x-b4b0-x-x-408b91acdcae File: /etc/lvm/archive/VG_XenStorage-x-x-x-x-408b91acdcae_00000.vg VG name: VG_XenStorage-x-x-x-x-408b91acdcae Description: Created *before* executing '/sbin/vgscan --ignorelockingfailure --mknodes' Backup Time: Fri Jun 28 23:53:20 2013 File: /etc/lvm/backup/VG_XenStorage-x-x-x-x-408b91acdcae VG name: VG_XenStorage-x-x-x-x-408b91acdcae Description: Created *after* executing '/sbin/vgscan --ignorelockingfailure --mknodes' Backup Time: Fri Jun 28 23:53:20 2013

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• Transfer disk contents *without* cloning tools

  - by Chris Cummins

  Is it possible to "clone" a disk which contains programs by performing a copy of all the disk contents (preserving file attributes) from source to destination disk, and unplugging the source disk and changing the drive letter of the destination disk to match that of the source? Context I have a two disk Windows 8 system with a system drive and a data drive. Recently, the data drive developed a number of bad sectors leading to IO errors. I have been sent a replacement drive so I simply need to clone the contents of this data drive onto the replacement. The drive contents include documents & media, user folders (My Documents and related), and some programs (games etc). Problem The problem is that the bad sectors on the source disk causes most disk cloning tools to fail with read errors. Attempted approaches include: Disk clone from live boot environment with Acronis True Image. Fails due to read errors. Disk clone from live boot environment with Clonezilla. Fails due to read errors. Disk clone using Roadkil's Unstoppable Copier. Fails due to hardware timeouts in the HDD (application hangs indefinitely). A straightforward copy from source to destination disk using FreeFileSync (preserving file attributes and metadata). This succeeds. So at the moment I have a replacement disk which contains all of the data from the original disk. Now all I need to is somehow get Windows to replace all references to the old disk to the new one. Is this possible by simply swapping the assigned drive letters? Any help would be greatly appreciated, thanks!

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• MBR seems to be gone

  - by bobobobo

  So, horror story for everyone. I bought two spanking new HDD's. MM!! Gbitage. I removed all my old HDD's, physically labelled them, and was preparing to install all new HDD's (fresh sys install included!) To make sure what HDD was what, I popped each OLD HDD (data filleD!) into a Thermaltake Blacx toaster.. surprisingly BOTH couldn't be read. I didn't have static on my hands! I'm certain of it. I touched metal, touched wood, before beginning this all. Thinking that was strage, I hauled up the new sys, installed Win XP (of course!) on the new HDD, and now the two OLD HDD's (data filled!) that were entered into the toaster cannot be read. And they had tons of data on them. I read about MBR's being nuked and it sounds like that is what it is. But I'm at a loss what to do. There are so many MBR recovery programs out there, I kind of feel overwhelmed. I don't want to lose my data by just pikcing one, yet it seems so close within reach, I'm not panicking anymore.. Anybody have a play by play that I could follow? I just don't want to spend $900 on data recovery centers if I can do this myself..

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• Managing SharePoint permissions via Active Directory?

  - by rgmatthes

  My company has thousands of employees organized thoroughly via Active Directory. I have confidence in the accuracy of the Department and Title information displayed in the user profiles. I'm helping to put up a brand new SharePoint 2007 site, and I contacted IT about managing the site's permissions through AD Groups. The goal is to have the site automatically assign read/write/contribute/whatever permissions based on the information in AD. For example, we could create an AD Group called "Managers" that would contain anyone with the "Manager" title in their AD user profile. I would have SharePoint tap into this AD Group to mass assign permissions if I knew all managers would need a certain level of access (read/write/contribute/whatever). Then if a manager joins the company or leaves it, the group is automatically updated (provided AD gets updated, of course). My IT rep called back and said it couldn't be done. This seems like a pretty straightforward business requirement, and one of the huge benefits of having Active Directory, but maybe I'm mistaken. Could anyone shed some light on this? A) Is it possible to use dynamically-updated AD Groups when assigning permissions via SharePoint? (Does anyone know of a guide I could show my doubtful IT rep?) B) Is there a "best practice" way to go about this? I've read some debate on whether SharePoint Groups or AD Groups are the way to go. My main concern is dynamic updating. C) If this isn't available out of the box, can someone recommend third-party software that will provide the functionality I'm looking for? A big thanks to anyone who can help me out!!

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• How to fix high Load_Cycle_Count laptop drive (TOSHIBA MK6006GAH in Vaio TX1XP)?

  - by Sam Brightman

  Hoping someone knows exactly what's going on here. It seems this drive has some combination of aggressive power saving settings and Ubuntu defaults that has massively increased the Load_Cycle_Count for the drive: https://wiki.ubuntu.com/DanielHahler/Bug59695 So the drive is now so slow that it cannot boot because it takes long enough to access the data that the kernel will not recognise it properly. I'm not worried about the data on the drive, but would really like to keep the laptop functioning. There is some indication that this is possible because the figure is still low 200,000s and most drives supposedly go to 600,000. Additionally, SMART tests pass and consider the drive healthy and without errors. But the really surprising thing was when I ran mhdd... Every single read came up red (slow) until I pressed 'R' for reset drive. I noticed the next read was normal speed, so held down 'R'. Magically the drive read perfectly for as long as I held the key BUT resumed slow (and noisy) seeking/reading after releasing. I don't think the source code to mhdd is available, so I'm not exactly sure what this means (besides, I don't know enough low-level HDD stuff either). It seems like the drive should be able to work, but is stuck trying to power save or something. There are no BIOS options on the laptop. Does anyone know how I can stop the drive from doing extremely slow/noisy operations like this? Or is constantly resetting the drive also damanging, and only causing it to work well by luck (i.e. not a suggestion that it's fixable)?

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• Long 'pause' after copying large files on windows 2008

  - by Ian

  I have a mystery regarding pauses after file copies on windows server 2088 (and other releases) When copying large files, like vhds, to locally attached USB disks I often see a long pause after the copy has completed 100%. As an example: robocopying vhd files. The bytes read/written count matches the vhd file size and robocopy shows 100% but it pauses for several minutes. If I do nothing it will continue, but I will have to wait for quite some time - about the same amount of time as it took to get to 100%. The bytes read/bytes written counters for robocopy do not change. My first thought was that the AV had to scan it, but I'm looking at a machine right now which doesn't have an AV installed and this is occurring, so impossible. No other processes are showing read/write byte counts as going up. The behavior is the same if I use the copy command or xcopy. I've seen this on other systems but have never worked out what the cause is. Anyone got any suggestions as to what might be going on?

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• Apache mod_proxy

  - by mhouston100

  Uggh, I'm spewing that I can't figure this out, I'm so frustrated: <VirtualHost *:80> servername domain1.com.au ServerAdmin webmaster@localhost DocumentRoot /var/www/html ErrorLog ${APACHE_LOG_DIR}/error.log CustomLog ${APACHE_LOG_DIR}/access.log combined <Proxy *> Order Allow,Deny Allow from all </Proxy> RewriteEngine on ReWriteCond %{SERVER_PORT} !^443$ RewriteRule ^/(.*) https://%{HTTP_HOST}/$1 [NC,R,L] </VirtualHost> <VirtualHost *:443> servername domain1.com.au SSLEngine on SSLCertificateFile /etc/apache2/ssl/owncloud.pem SSLCertificateKeyFile /etc/apache2/ssl/owncloud.key DocumentRoot /var/www/html </VirtualHost> <VirtualHost *:*> Servername domain2.com.au ProxyRequests Off <Proxy *> Order deny,allow Allow from all </Proxy> ProxyPass / https://192.168.1.12/ ProxyPassReverse / https://192.168.1.12/ </VirtualHost> Not sure if it's clear what I'm trying to do, but I've read and read and READ, I still can't figure it out. Basically I have a working Apache server with a rewrite to force HTTPS, as seen in the first two VirtualHost entries. I now have a webmail service I set up on another server, under another domain name, however I only have one incoming public IP address. So I'm trying to have any incoming requests for the second domain to be proxied to the other server to access the webmail, whether its port 80 or 443. IMAP and POP3 are no problems, I can just forward the ports directly to the correct server. The results of the above configuration is that requests to domain2.com.au (port 80 or 443) are forwarded to https://domain1.com.au. Am I headed in the right direction?

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• Matched or unmatched drives for RAID arrays?

  - by Will

  Looking around there is conflciting information on this, with some strongly suggesting one or the other. From my understanding the issue with matched drives is that the wear on both drives is more or less the same, so the potential for the second drive failing with or very soon after the first is pretty high. People also claim matched drives give substianatally higher performance however assuming the unmatched drives are more or less the same (eg 2, 1 TB STATA II 7200rpm drives with 32MB cache), would the minor differences between say a Seagate and a Western Digital one (say one has a 128MB/s read rate, and the other a 150MB/s read rate, as well as I guess various other minor differences) actually cause any notable performance loss, ie potentialy worse than two matched 128MB/s drives, or does RAID not really care and give you essentially an optimal solution (eg upto 278MB/s total read speed for RAID 0 and 1) and similar for other RAID with more "unmatched" drives (5 and 1+0 come to mind as possibilities)? Also I couldnt find much info on how this is different on different RAID setups, eg RAID 0 or RAID 1, software or hardware RAID, etc. I'm assuming such things have an effect, and thats it's not all the same for RAID in general?

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• DFS Root namespace is RDWR for all users

  - by Patrick

  We have an existing DFS Replication and Namespace group that we use to serve the company's files. This has been operating fine for us for some time now, and continues to do so. however a situation arose yesterday afternoon that has led us to be stumped. The problem is that we have our name space presented as : \\domain.co.uk\public\[8 or 9 folders that are mapped to the users in the business] We had a problem this morning that meant that a number of users started mapping their AD Home Drive directly to the \\domain.co.uk\public directory and we found that they had read/write. This rapidly became a problem as a at least one director saved some moderately sensitive documents in there and basically anyone could read them. I've tidied up that specific problem with some deft scripting and a slight modification of group policy. However I would like to make \public read only, the trouble is I can't work out where the ACLs for that folder would be held. All the folders that are presented as \\domain.co.uk\public\[folder] are 'real' folders on logical volumes on our DFS servers so are secured with groups that are applied via the 'security' tab. I'd like to do the same on \public but I can't find it. I have looked through amongst other things \Sysvol\domain.co.uk but can't find it and after a lot of clicking and a bit of reading I can't see how to lock it down. Any thoughts?

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• Managing SharePoint permissions via Active Directory?

  - by rgmatthes

  My company has thousands of employees organized thoroughly via Active Directory. I have confidence in the accuracy of the Department and Title information displayed in the user profiles. I'm helping to put up a brand new SharePoint 2007 site, and I contacted IT about managing the site's permissions through AD Groups. The goal is to have the site automatically assign read/write/contribute/whatever permissions based on the information in AD. For example, we could create an AD Group called "Managers" that would contain anyone with the "Manager" title in their AD user profile. I would have SharePoint tap into this AD Group to mass assign permissions if I knew all managers would need a certain level of access (read/write/contribute/whatever). Then if a manager joins the company or leaves it, the group is automatically updated (provided AD gets updated, of course). My IT rep called back and said it couldn't be done. This seems like a pretty straightforward business requirement, and one of the huge benefits of having Active Directory, but maybe I'm mistaken. Could anyone shed some light on this? A) Is it possible to use dynamically-updated AD Groups when assigning permissions via SharePoint? (Does anyone know of a guide I could show my doubtful IT rep?) B) Is there a "best practice" way to go about this? I've read some debate on whether SharePoint Groups or AD Groups are the way to go. My main concern is dynamic updating. C) If this isn't available out of the box, can someone recommend third-party software that will provide the functionality I'm looking for? A big thanks to anyone who can help me out!!

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• Almost All Logical Volumes Disappeared - Recovery?

  - by Alex

  We had a hard disc crash of one of two hard discs in a software raid with a LVM on top. The server is running Citrix xenserver. On the hard disk which is still intact, the volume group gets detected well, but only one LV is left. (some hashes replaced by "x") # lvdisplay --- Logical volume --- LV Name /dev/VG_XenStorage-x-x-x-x-408b91acdcae/MGT VG Name VG_XenStorage-x-x-x-x-408b91acdcae LV UUID x-x-x-x-x-x-vQmZ6C LV Write Access read/write LV Status available # open 0 LV Size 4.00 MiB Current LE 1 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 253:0 root@rescue ~ # vgdisplay --- Volume group --- VG Name VG_XenStorage-x-x-x-x-408b91acdcae System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 4 VG Access read/write VG Status resizable MAX LV 0 Cur LV 1 Open LV 0 Max PV 0 Cur PV 1 Act PV 1 VG Size 698.62 GiB PE Size 4.00 MiB Total PE 178848 Alloc PE / Size 1 / 4.00 MiB Free PE / Size 178847 / 698.62 GiB VG UUID x-x-x-x-x-x-53w0kL I could understand if a full physical volume is lost - but why only the logical volumes? Is there any explanation for this? Is there any way to recover the logical volumes? EDIT We are here in a rescue system. The problem is that the whole server does not boot (GRUB error 22) What we are trying to do is to access the root filesystem. But everything was in the LVM. We have only this: (parted) print Model: ATA SAMSUNG HD753LJ (scsi) Disk /dev/sdb: 750GB Sector size (logical/physical): 512B/512B Partition Table: msdos Number Start End Size Type File system Flags 1 32.3kB 750GB 750GB primary boot, lvm And this 750GB LVM volume is exactly what we see on top.

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• Two folders with identical names causing many problems.

  - by R. A. Chaucer

  In my 'Documents' folder (Win7) I have two folders with names that appear in Explorer to be identical, though their contents are different. I can rename them both to something else (eg: 'Test') and Explorer doesn't complain. The dir listing that cmd.exe and powershell gives me only lists one of them, but also lists this suspicious entry: 20/04/2010 12:16 PM <DIR> ???? Even if I rename the folders to have unique names, one of them still shows up as ???? in cmd.exe. Desktop.ini in my Documents folder doesn't contain anything out of the ordinary. Both folders appear to be read-only in their properties panel, and if I untick the read-only box it will ask me if I want to apply the action recursively, but either way when I close the panel and open it again the folder is once again read-only. They are both set to not inherit permissions. The folder that shows up correctly in the cmd.exe dir listing is the "real" one, the other seems to be automatically created when a program tries to access it. How is this possible?This is driving me nuts!

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• Designing a persistent asynchronous TCP protocol

  - by dogglebones

  I have got a collection of web sites that need to send time-sensitive messages to host machines all over my metro area, each on its own generally dynamic IP. Until now, I have been doing this the way of the script kiddie: Each host machine runs an (s)FTP server, or an HTTP(s) server, and correspondingly has a certain port opened up by its gateway. Each host machine runs a program that watches a certain folder and automatically opens or prints or exec()s when a new file of a given extension shows up. Dynamic IP addresses are accommodated using a dynamic DNS service. Each web site does cURL or fsockopen or whatever and communicates directly with its recipient as-needed. This approach has been suprisingly reliable, however obvious issues have come up and the situation needs to be addressed. As stated, these messages are time-sensitive and failures need to be detected within minutes of submission by end-users. What I'm doing is building a messaging protocol. It will run on a machine and connection in my control. As far as the service is concerned, there is no distinction between web site and host machine -- there is only one device sending a message to another device. So that's where I'm at right now. I've got a skeleton server and a skeleton client. They can negotiate high-quality authentication and encryption. The (TCP) connection is persistent and asynchronous, and can handle delimited (i.e., read until \r\n or whatever) as well as length-prefixed (i.e., read exactly n bytes) messages. Unless somebody gives me a better idea, I think I'll handle messages as byte arrays. So I'm looking for suggestions on how to model the protocol itself -- at the application level. I'll mostly be transferring XML and DLM type files, as well as control messages for things like "handshake" and "is so-and-so online?" and so forth. Is there anything really stupid in my train of thought? Or anything I should read about before I get started? Stuff like that -- please and thanks.

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• How To Completely Move Users/Program Files/Program Files (x86)/ProgramData (Folders) To Another Partition(s) On Windows 8?

  - by Enigma83

  I am attempting to move folders Users Program Files Program Files (x86), ProgramData (at the root of the C drive) to at least 2 other partitions, preferably on a fresh install. I have read that there are methods for doing this post-install, but it seems like it would be a bit more tedious to do things that way. I want to move the 2 Program Files folders to another partition on the same HDD, and Users/ProgramData will go to yet another partition on same HDD. I have done a bit of research on this, read up on some things that involved booting into Audit Mode, using the RoboCopy command to copy folders via booting into my Windows 8 USB drive, creating NTFS junctions/symbolic links, Registry edits, as well as accomplishing this automatically by creating an auto-attend file which Windows Setup processes automatically before the user is ever booted in for the 1st time. I tried this morning and now have a basic installation in which programs like Internet Explorer fail to open, certain files can't be found/opened (even if I click on them directly), an example is Regedit. Also, I can't run the Command/DOS (CMD) prompt as Administrator (or otherwise, as any other user), can't activate the real Administrator account or open any of the Administrative Tools (despite having added them to my Start Screen). So far I have only tried RoboCopy-ing Program Files and Program Files (x86) so far, creating junction points for them, and editing the Registry in the relevant locations. This is what I'm left with now. I also found the following blog article which describes how to do this for Windows 7 So, where should I go from here and where can I find more information? And how can this be done without disabling the Metro apps, which I've read will stop working if you move ProgramData. Once I have everything moved, where do I install programs to? Do I tell them to install to C:\Program Files\Program Files (x86) or to the junctioned/symbolic-linked partition/drive? I plan to test in VMware virtual machines from here on until things are working correctly, while using a baseline default install for daily tasks.

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• Difference between "bit-number" in filesystem and that in OS (like 32,64 bit)?

  - by learner

  I encountered 2 terms ,"FAT32", a file system and "Windows Vista 32 bit". I found that the meaning of a 32 bit OS is that that the OS deals with data in chunks of minimum size 32 bits. I don't quite understand the depth of that, but I figure ,every file in that system with that OS should have a minimum size of 32 bits. I also read that these 32 bits are used to hold data of files' location(reference) and details. Which of it is it? I have also read that 4 GB of RAM is all that is needed at the most if you're on a 32 bit OS. But I don't understand why. If there are 32 bits to hold info about files and their locations,there can be 2^32 possible combinations of it. But I have found in many places,2^32 is divided by 1024 thrice to get 4GB. Why? Did that 2^32 become equal to 2^32 bytes? And about filesystems I read a similar explanation for what 32 means in FAT32. It is supposed to mean that 32 bits are used to number file system block. Now how is different from the number before the OS?

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