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  • Best tool for monitoring backups, etc. and trending statstics from that data

    - by Randy Syring
    I have done some research on nagios, opennms, and zenoss but am not confident that I have found what I am looking for. The main driving force for me right now is being able to monitor backups. This includes mysql, mssql, and eventually some file system backups. We have a tool that wraps the backup process for these different systems and collects statistics. So, items like: number of databases backed up size of db backup file size of db backup file compressed time to make backup time to zip file I want to be able to A) have notifications if the jobs are not run according to schedule B) be able to set thresholds on the statistics which would trigger notifications C) I want to be able to trend and graph the statistics I am planning on sending this information to the monitoring application through an HTTP POST. Or, the monitoring application could pull it from a log file as well. However, we will have other processes with other "arbitrary" (from the monitoring system's perspective) statics that will want to monitor and trend, so flexibility is very important. The tool or tools should also be able to do general monitoring and trending of network interfaces, server load, etc. Once we get the backup monitoring in place, we will want to include those items as well. Thanks.

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  • Cannot find network path for computer in workgroup of home Windows XP PCs

    - by John Galt
    VMWare Workstation 6.5 is running as an app on a Windows Vista 64bit PC host. Thanks to Workstation we have 2 guest machines running: TerriVM and MattVM (both of these run Windows XP SP2). We are attempting to get virtual networking configured so we can access the files of both of these VM guest systems from other real PCs connected to this home network. We think we are close but we can't quite get it right... Here is what we've done so far: * On VM Workstation, we set "Host Virtual Network Mapping" to use VMnet0 with the setting "Bridge to an automatically chosen adapter". * On each VM guest (i.e. using Windows explorer on XP), we rightmouse on the C disk, click "Sharing" tab, set shareName to "C_Disk" and check both boxes labeled "Share this folder on the network" and "Allow network users to change my files". Symptoms: On "JohnsRealXP" PC, we go to Windows Explorer, My Computer, Map Network Drive, type into Folder textbox: \TerriVM\C_Disk and assign drive letter T. We see all the folders on this shared drive and can open files on them. So that is good. On same "JohnsRealXP" PC, we go to Windows Explorer, My Computer, Map Network Drive, type into Folder textbox: \MattVM\C_Disk and assign drive letter M. We get a message box "_The network path \mattvm\C_Disk could not be found_". Alternatively, we type just \mattvm\ into the Folder box and click "Browse" and get a dialog box where we drill down from "Entire Network" to "Microsoft Windows Network" to "Workgroup" where both TerriVM and MattVM are listed as computers on the network. Clicking the + sign next to MattVM gives an hourglass and never enables the OK button and I have to cancel. In summary, I think we've attempted to share both of these virtual machines using the same techniques and connect to them in similar fashion, but one connects properly and the other machine can be seen but no shared resources on it can be accessed. Can anyone suggest something possibly overlooked or something to try? Thanks so much in advance.

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  • How can I recover XFS partitions from a formatted HD?

    - by giuprivite
    I deleted the partition table of my HD. I wanted to format another one, but by mistake, I formatted the wrong one. Then I also created some new partition on it. Now I would like, if possible, to recover my old data. The old configuration was this: A primary NTFS partition with Windows, and a secondary partition with four logical partitions: a swap and three XFS partitions (two for Ubuntu and OpenSuSE, and one with the home for both systems). This is the output I get when I run gpart in a terminal: ubuntu@ubuntu:~$ sudo gpart /dev/sdb Begin scan... Possible partition(Windows NT/W2K FS), size(39997mb), offset(0mb) Possible extended partition at offset(39997mb) Possible partition(Linux swap), size(8189mb), offset(39997mb) Possible partition(SGI XFS filesystem), size(40942mb), offset(48187mb) Possible partition(SGI XFS filesystem), size(40942mb), offset(89149mb) Possible partition(SGI XFS filesystem), size(175044mb), offset(130112mb) End scan. Checking partitions... Partition(OS/2 HPFS, NTFS, QNX or Advanced UNIX): primary Partition(Linux swap or Solaris/x86): logical Partition(Linux ext2 filesystem): logical Partition(Linux ext2 filesystem): orphaned logical Partition(Linux ext2 filesystem): orphaned logical Ok. Guessed primary partition table: Primary partition(1) type: 007(0x07)(OS/2 HPFS, NTFS, QNX or Advanced UNIX) size: 39997mb #s(81915360) s(63-81915422) chs: (0/1/1)-(1023/254/63)d (0/1/1)-(5098/254/51)r Primary partition(2) type: 015(0x0F)(Extended DOS, LBA) size: 265245mb #s(543221849) s(81915435-625137283) chs: (1023/254/63)-(1023/254/63)d (5099/0/1)-(38912/254/2)r Primary partition(3) type: 000(0x00)(unused) size: 0mb #s(0) s(0-0) chs: (0/0/0)-(0/0/0)d (0/0/0)-(0/0/0)r Primary partition(4) type: 000(0x00)(unused) size: 0mb #s(0) s(0-0) chs: (0/0/0)-(0/0/0)d (0/0/0)-(0/0/0)r Looking the first eight lines, it seems the data are still there... but I don't know how to recover them. I have a free second HD of about 500 GB (the formatted one is 320 GB) that I can use for the recovery process.

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  • How would I force Debian to use the physical sector size on a hard disk?

    - by Confused User
    I just purchased a few new 3TB WD drives. These have physical 4k sectors, but there is some sort of layer which is providing 512B logical sectors (see the partition table below). In order to attempt to get some more speed out of my hard drives, I would like to get rid of this logical layer and actually use the physical 4k sectors. However, I can't figure out how to do this (or even if it's possible) from the man pages of fdisk and parted, or from searching Google. Does anybody know how this could be done? As to why this is relevant, this page demonstrates that meerly aligning the sectors properly can already make up to a 25% speed difference for reads, and more than 2500% for writes in some cases! Getting rid of the logical sectors in favor of the physicals ones should improve speeds even more. Thanks! $ parted /dev/sdc GNU Parted 2.3 Using /dev/sdc Welcome to GNU Parted! Type 'help' to view a list of commands. (parted) print Model: ATA WDC WD30EZRX-00M (scsi) Disk /dev/sdc: 3001GB Sector size (logical/physical): 512B/4096B Partition Table: gpt Number Start End Size File system Name Flags 1 1049kB 3001GB 3001GB zfs 9 3001GB 3001GB 8389kB P.S. I don't care about the data on the drives, I was just playing with different file systems. Also, this is my first time posting here, so please let me know if my posts should be formatted differently, etc.

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  • How to configure IIS 7.5 to allow special chars in Url for ASP.NET 3.5?

    - by Sebastian P.R. Gingter
    I'm trying to configure my IIS 7.5 to allow specials chars in the url for ASP.NET. This is important to support wide-spread legacy url's on a new system. Sample url: http://mydomain.com/FileWith%inTheName.html This would be encoded in the url and requested as http://mydomain.com/FileWith25%inTheName.html This simply works, when creating a new web in IIS 7.5, placing a file with the percentage sign in the file name in the web root and pointing the browser to it. This does not work, however, when the web site is an ASP.NET application. ASP.NET always returns a 400.0 - Bad Request error in the WindowsAuthentication module from the StaticFile handler, when pointing to that url. It however displays the requested url correctly and also resolves correctly to the correct physical file (the information from the field 'Physical Path' from the Server error page points to the physically available file). There are hints on how to enable this, so I followed the instructions on these websites step by step: http://dirk.net/2008/06/09/ampersand-the-request-url-in-iis7/ http://adorr.net/2010/01/configure-iis-to-accept-url-with-special-characters.html The second one actually sums up the information from the first post and adds some more information about x64 systems (we're running x64) and on an additional web.config change for this. I tried all that, and still can't get this running from an asp.net web application. And yes: I rebooted after applying the registry changes. So, what do I have to do in addition to the settings described in above posts, to support the legacy url's which contain percentage characters? Additional info: Application Pool mode is integrated. Push after some days. No idea anyone?

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  • Microsoft SQL Server Management Studio causing system freeze

    - by CRoshanLG
    I'm experiencing very slow response from MSSMS and it causes other applications to slow down. Specially Skype crashes after few seconds from opening MSSMS, showing an error called "Disk I/O Error". I'm regularly using few applications (Sublime text, MS Word, Firefox, Outlook, Skype and one or two other apps) simultaneously. The system works fine when MSSMS is not in use! But as soon as MSSMS is opened, all the apps start to freeze (MSSMS also responds very slow). This problem has been there for about a week now (I haven't installed any apps or haven't made any changes to the system during that time). -- System Specifications -- Processor: Core i3 (3.1 GHz) RAM: 4 GB OS: Windows 7 Professional (64 bit) Free space in C drive: ~ 100 GB MS SQL Server 2008 R2 Microsoft SQL Server Management Studio version - 10.50.1600.1 I've tried to find a reason for this but there are no helpful information in the web! There are some solutions suggested (in forums and in Skype Support pages) for the Skypes' "Disk I/O Error", all of which I tried but does not solve the problem. Has anyone faced the same senario? (and hopefully) knows a solution? Systems Log I don't have much knowledge in interpreting the System Log, but I think the Critical and Warnings are not helpful. But there are lots of Error logs which might be useful. In source Kernal-General there are few similar errors saying "An I/O operation initiated by the Registry failed unrecoverably.The Registry could not flush hive (file): <some file>" In source atapi also there are few similar errors -- "The driver detected a controller error on \Device\Ide\IdePort0." (all errors has occurred in 'IdePort0') In Application Error, there are several errors logged, and following is the latest one. Both the Errors which has occurred today is similar (to this one). As it is from Ssms.exe, I guess this is relevant to the cause of problem. But as I said above I can't understand what it means!

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  • Drobo-like linux file server - how do I do it?

    - by John Hunt
    I've been pondering for a long time about how I can set up a server which operates much like the Drobo storage thing. The reasons I don't actually want a drobo is because I've heard scare stories, plus I'd like to do this on the cheap. So ideally I'm looking for something like lvm so I can create a logical volume that spans many hard disks of varying sizes... obviously that only offers redundancy if I put the LV on a raid array (as far as I know..) I have however been reading about technologies such as Microsoft's drive extender which duplicates files at the filesystem level and makes sure that the mirrored files are on a different phyiscal disk.. does anyone know or recommend a filesystem or method like this as it'll hopefully make much better use of the space available than raid ever could. Performance isn't an issue, I'd just really like to make the most of the hard disks I have lying around whilst having a bit of redundancy incase a disk dies. I understand full well that this is no replacement for a backup, but I'll only be storing files of medium importance and using the nas itself as a backup of my main pc and other systems. Thanks in advance! I'm hoping zfs or btrfs or something can do something clever for me :)

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  • Linux - real-world hardware RAID controller tuning (scsi and cciss)

    - by ewwhite
    Most of the Linux systems I manage feature hardware RAID controllers (mostly HP Smart Array). They're all running RHEL or CentOS. I'm looking for real-world tunables to help optimize performance for setups that incorporate hardware RAID controllers with SAS disks (Smart Array, Perc, LSI, etc.) and battery-backed or flash-backed cache. Assume RAID 1+0 and multiple spindles (4+ disks). I spend a considerable amount of time tuning Linux network settings for low-latency and financial trading applications. But many of those options are well-documented (changing send/receive buffers, modifying TCP window settings, etc.). What are engineers doing on the storage side? Historically, I've made changes to the I/O scheduling elevator, recently opting for the deadline and noop schedulers to improve performance within my applications. As RHEL versions have progressed, I've also noticed that the compiled-in defaults for SCSI and CCISS block devices have changed as well. This has had an impact on the recommended storage subsystem settings over time. However, it's been awhile since I've seen any clear recommendations. And I know that the OS defaults aren't optimal. For example, it seems that the default read-ahead buffer of 128kb is extremely small for a deployment on server-class hardware. The following articles explore the performance impact of changing read-ahead cache and nr_requests values on the block queues. http://zackreed.me/articles/54-hp-smart-array-p410-controller-tuning http://www.overclock.net/t/515068/tuning-a-hp-smart-array-p400-with-linux-why-tuning-really-matters http://yoshinorimatsunobu.blogspot.com/2009/04/linux-io-scheduler-queue-size-and.html For example, these are suggested changes for an HP Smart Array RAID controller: echo "noop" > /sys/block/cciss\!c0d0/queue/scheduler blockdev --setra 65536 /dev/cciss/c0d0 echo 512 > /sys/block/cciss\!c0d0/queue/nr_requests echo 2048 > /sys/block/cciss\!c0d0/queue/read_ahead_kb What else can be reliably tuned to improve storage performance? I'm specifically looking for sysctl and sysfs options in production scenarios.

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  • How can I display additional boot and shutdown information on the Windows 7 welcome screen?

    - by Daniel Saner
    There is a small tweak, I believe it is a registry key, that allows to display additional information on the Welcome and Shutting down screens of Windows 7 (and most likely Vista, too). I have activated this tweak on one of my systems; unfortunately I forgot how I did it, and I can't seem to find the website that originally gave me that information. Usually, the Windows 7 welcome screen will just display "Welcome" when logging in. With the tweak activated, my Welcome screen gives status information such as "Loading user settings" or "Preparing desktop". When shutting down, the default screen simply says "Shutting down". With the tweak activated, it gives additional status information such as "Stopping Windows services". This appears the same way that Windows gives information when updates are installed or configured during the startup or shutdown procedure, and I find them quite helpful in getting a feel for what task takes how long during that process. The only setting I was able to find is the Boot log checkbox on the Boot tab of the msconfig application. However, this results in Windows displaying console logs of drivers it is loading, etc., instead of the animated Windows title. This is NOT the setting I am looking for. The "additional boot information" setting that I have activated on this system still displays the regular animated Windows logo, and only replaces the strings displayed on the blue Welcome and Shutdown screens. Could someone direct me to the registry key (or whatever setting) that is used to get this behaviour? Edit: Here are a few pictures of the enhanced Welcome and Shutdown screens taken with my mobile phone—they're in German though. Login screens "Waiting for User Profile Service" and "Preparing desktop": Logout screen "Stopping Windows services":

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  • Can I get all active directory passwords in clear text using reversible encryption?

    - by christian123
    EDIT: Can anybody actually answer the question? Thanks, I don't need no audit trail, I WILL know all the passwords and users can't change them and I will continue to do so. This is not for hacking! We recently migrated away from a old and rusty Linux/Samba domain to an active directory. We had a custom little interface to manage accounts there. It always stored the passwords of all users and all service accounts in cleartext in a secure location (Of course, many of you will certainly not think of this a being secure, but without real exploits nobody could read that) and disabled password changing on the samba domain controller. In addition, no user can ever select his own passwords, we create them using pwgen. We don't change them every 40 days or so, but only every 2 years to reward employees for really learning them and NOT writing them down. We need the passwords to e.g. go into user accounts and modify settings that are too complicated for group policies or to help users. These might certainly be controversial policies, but I want to continue them on AD. Now I save new accounts and their PWGEN-generated (pwgen creates nice sounding random words with nice amounts of vowels, consonants and numbers) manually into the old text-file that the old scripts used to maintain automatically. How can I get this functionality back in AD? I see that there is "reversible encryption" in AD accounts, probably for challenge response authentication systems that need the cleartext password stored on the server. Is there a script that displays all these passwords? That would be great. (Again: I trust my DC not to be compromised.) Or can I have a plugin into AD users&computers that gets a notification of every new password and stores it into a file? On clients that is possible with GINA-dlls, they can get notified about passwords and get the cleartext.

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  • Kickstart: Serve dynamic kickstart images via a CGI or PHP script?

    - by Stefan Lasiewski
    I'd like to kickstart a couple dozen RHEL6/SL6 servers. However, some of these servers are different and I don't want to create a new ks.cfg file for each class of server. Are there any products which can generate a Kickstart file dynamically on the fly, from a template? For example, if I append a line like this to the KERNEL: APPEND ks=http://192.168.1.100/cgi-bin/ks.cgi Then the script ks.cgi can determine what host this is (Via the MAC address), and print out Kickstart options which are appropriate for that host. I could optionally override some options by passing parameters to the script, like this: APPEND ks=http://192.168.1.100/cgi-bin/ks.cgi?NODETYPE=production&IP=192.168.2.80 After we kickstart the server, we activate Cfengine/Puppet on this system and manage the system using our favorite Configuration Management product. We're experimenting with xCAT but it is proving too cumbersome. I've looked into Cobbler, but I'm not sure it does this. Update: A roll-your-own solution is discussed in the O'Reilly book: Managing RPM-Based Systems with Kickstart and Yum, Chapter 3. Customizing Your Kickstart Install Dynamic ks.cfg, which echos some of the comments in this thread: To implement such a tool is beyond the scope of this Short Cut, but I can walk through the high-level design. Any such solution would mix a data store (the things that change) with a templating solution (the things that don’t change). The data store would hold the per-machine data, such as the IP address and hostname. You would also need a unique identifier, perhaps the hostname, such that you could pick up a given machine’s data. The data store could be a flat file, XML data, or a relational database such as PostgreSQL or MySQL. In turn, to invoke the system, you pass a machine’s unique identifier as a URL parameter. For example: boot: linux ks=http://your.kickstart.server/gen_config?host-server25 In this example, the CGI (or servlet, or whatever) generates a ks.cfg for the machine server25. But where, oh where, is the code for ks.cgi?

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  • Is there any way to synchronize Outlook RSS Feeds with BlackBerry?

    - by nvuono
    Does anyone know how I can view the contents of my Outlook 2007 RSS Feeds from a corporate-issued BlackBerry? Our Inbox and Calendar are already integrated with corporate exchange servers but it looks like nobody cares too much about the RSS Feeds. Is there some setting on my Blackberry or in Outlook I could possibly tweak to include these updates? I know there are many standalone RSS readers available for blackberry (Google Reader for example) but I mention Outlook RSS Feeds specifically in my question because I am subscribing to a number of RSS feeds I've setup on my intranet for various version control systems that would be inaccessible to an external RSS reader. It seems like I might have to setup some sort of email commit notifications if I want anything from my blackberry but I much prefer the 'pull' method of an RSS feed viewer over receiving streams of emails. Please feel free to suggest any alternatives! Edit: I've additionally tried moving my "SVN Repository" folder directly into my Mailbox instead of keeping it as a child of the RSS Feeds folder. This allows me to view the SVN Repository folder on my blackberry where previously the RSS Feeds folder and all children were hidden but unfortunately it never seems to get populated with the items that are displaying in Outlook. I've even made a fresh commit to make sure that the SVN Repository folder still works correctly in Outlook from outside the RSS Feeds folder but no luck on the BlackBerry end of things. BlackBerry Model Details: BlackBerry 8310 smartphone (EDGE) v4.2.2.170 Platform 2.5.0.30

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  • What is the best way/Software to manage multiple short lived instances of virtual machines ?

    - by Newtopian
    Hi, We have a QA department that have to test our software on multiple combination of OS and DMBS. With Windows spewing out many different versions the combinatorial math of all this can be daunting. So we decided on visualizing our setups but so far it only displaces the problem. The cost of hardware is expensive and we need many different combination far exceeding your server capacity to deliver. Also, these instances are throw away, once the test is complete we no longer need it, furthermore to ensure proper test isolation we should start fresh from a new instance. Lastly we only need a small subset of these system online at any given time. What I am looking for is a way to manage inventory so that our QA staff can order instances to be put online as required and discarded once used. Instances are spawned from a pool of freshly installed systems with the appropriate combination ready to accept our software. It also should be possible for two or more people to start the same instance at the same time, though we could manage without this if it proves too complex to put in place. Finally our budget is pretty thin, we can probably make some purchases but ideally expenditures should be kept to a minimum. To summarize we should be able to : Bring instances online on demand. Ideally should offer queue and scheduling management Destroy instances on demand Keep masters in inventory but not online. Manage large inventory of VMs (30-100 maybe more) with small staff of users (5-10). Allow adding, deleting and changing instances from inventory (bring online, make changes and check back in, or create new and check in). Allow few long lived instances for support tools (normal VM server usage) Thanks for your answers

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  • Registry remotley hacked win 7 need help tracking the perp

    - by user577229
    I was writing some .VBS code at thhe office that would allow certain file extensions to be downloaded without a warning dialog on a w7x32 system. The system I was writing this on is in a lab on a segmented subnet. All web access is via a proxy server. The only means of accessing my machine is via the internet or from within the labs MSFT AD domain. While writing and testing my code I found a message of sorts. Upon refresing the registry to verify my code changed a dword, instead the message HELLO was written and visible in regedit where the dword value wass called for. I took a screen shot and proceeded to edit my code. This same weird behavior occurred last time I was writing registry code except on another internal server. I understand that remote registry access exists for windows systems. I will block this immediately once I return to the office. What I want to know is, can I trace who made this connection? How would I do this? I suspect the cause of this is the cause of other "odd" behaviors I'm experiencing at work such as losing control of my input director master control for over an hour and unchanged code that all of a sudden fails for no logical region. These failures occur at funny times, whenver I'm about to give a demonstration of my test code. I know this sounds crazy however knowledge of the registry component makes this believable. Once the registry can be accessed, the entire system is compromised. Any help or sanity checking is appreciated.

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  • Win 2003 SBS - secure enough by default?

    - by Pekka
    I have to set up a Windows 2003 Small Business Server to work as a Subversion repository and possibly as an E-Mail server later. The machine is a virtual one, hosted with a hosting company, and freshly initialized. I used the Security Configuration Wizard to deactivate all server roles. After I install Subversion, I will open the necessary ports for the service; in addition, obviously, RDP will stay open so I can remote control the machine. Automatic updates are activated, and I will set up E-Mail notification every time somebody logs on to the server. I'm a programmer and not a professional systems administrator, so I would like to know whether you would regard this a sane and secure setup for a (publicly available) box to host sensitive code and/or E-Mail on. Is there anything in addition I should do to make the machine secure? Is there anything I can do on a long-term basis to keep the machine secure, apart from monitoring the event log (as far as I can make sense out of it), and seeing that any hotfixes are installed properly?

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  • Using OSX home directories from linux

    - by Steffen
    I'm running an OSX (Snow Leopard) Server with OpenDirectory, which is nothing else than a modified OpenLDAP with some Apple-specific schemas. However, I want to reuse this directory on some of my Linux (Debian Squeeze) boxes. It's no problem to authenticate against OSXs LDAP Server, this works fine already. What I struggle with is the way the home folders are specified in OSX. If I query the passwd config on one of my linux machines, the OSX imported entries are looking like this myaccount:x:1034:1026:Firstname Lastname:/Network/Servers/hostname.example.com/Volumes/MyShare/Users/myaccount:/bin/bash While those network home folders might be fine for OSX-Clients, I don't want those server based paths on my linux machines. I saw that there is an NFSHomeDirectory Attribute in the OSX User inspector, but if I change this the whole user home path gets changed. Since my users should be able to login on both systems, OSX and Linux, this is not what I want. Does anyone have an idea how I must configure OSX to make my linux machines use home folders like /net/myaccount and leave the configuration for OSX clients untouched?

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  • DKIM- Filter No Signature Data

    - by Vineet Sharma
    I have installed DKIM-Filter on Postfix after reading this tutorial http://www.unibia.com/unibianet/systems-networking/how-setup-domainkeys-identified-mail-dkim-postfix-and-ubuntu-server My email now has a DKIM signature but still it is landing in the SPAM folder. Here is the header Received-SPF: neutral (google.com: 69.164.193.167 is neither permitted nor denied by best guess record for domain of [email protected]) client-ip=69.164.193.167; Authentication-Results: mx.google.com; spf=neutral (google.com: 69.164.193.167 is neither permitted nor denied by best guess record for domain of [email protected]) [email protected]; dkim=hardfail (test mode) [email protected] Received: from promote.a2labs.in (localhost [127.0.0.1]) by promote.a2labs.in (Postfix) with ESMTPA id 34858530E8 for <[email protected]>; Mon, 28 Feb 2011 12:23:07 +0530 (IST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=a2labs.in; s=mail; t=1298875987; bh=bo+H1VYPIHMja2u7i1lnzr4k/j4Pe8iSf79bVw94XpI=; h=To:Subject:Message-ID:Date:From:Reply-To:MIME-Version: Content-Type:Content-Transfer-Encoding; b=nhTdlnUwo0iUJ92ycQzKSRjw 5Pfya0DJcJrAc8Mr2hIv8OLpgzBCzdOMWTGqR5nuUmAzgCGYBhYAM2XZwVxo9JG/iz7 oYKysmNQnskFx0TRyW3UOkDWcfHcPnCL6Y7fGzZWinmsyjsg47k+mKZg/e8jqlwTAMO PYKkt5pBz7SM0= Also my mail.err file shows Feb 28 12:17:03 ivineet dkim-filter[32181]: 1F788530E1: no signature data Feb 28 12:18:02 ivineet dkim-filter[32181]: 432BA530E2: no signature data How to fix it

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  • Is there a way in Windows 7 to disable "journaling"?

    - by Psycogeek
    C:\$extend\$Usn.Jrnl:$J:$data Here is a picture finally. The large strip in the center of the top band is the largest chunk, in the other, grey areas are the various clusters with it. On the right, the big long grey line is $logfile (not paging), and it is 63&nbsb;MB. Paging, 500&nbsb;MB is the dark cyan chunk, next to the yellow MFTres in the inner rings.. The disk was defragged so they could be seen easier. Not all clusters of this type of file are tagged, but the idea is there. The disk is 4k clusters, now about 12 GB size. Each cute little block in the picture is .81 MB and represents 207 clusters. The dkGreen section, is mostly the whole Winsxs pile, also interesting when they keep telling us it doesn't take much disk space. Wikipedia suggests that in previous NT systems "USN journaling" would be turned on when enabled (assumes it could also be turned off?). What aspects, services, or program is working on putting that stuff all over the disk which is known by $jrnl$ type clusters, even if it is not actual USN journaling? Is it possible in a Windows 7 system to completly disable the journaling, and what would be the ramifications of that? On a Windows XP NTFS system, I do not recall seeing the quantity of disk clusters used with these $jrnl$ names, so I do not recall this being necessary in this quantity for an NTFS file system itself? I understand that it would not be there, if it did not have a useful function :-) Information about how wonderful is fine, if that information will help track down what parts of the system create and use it. Change Journals states: Change journals are also needed to recover file system indexing Hmm, that might explain some of them, or why it was left on the disk. A crash while background indexing?

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  • Windows 7 library nightmare

    - by Lobuno
    In our active directory we deploy a policy to our clients where the personal directory (My documents) is redirected to a file server of ours \server\share\username\Documents In older systems everything worked fine. in Windows 7 some users are experimenting the following symptoms: * The Documents library is EMPTY * Where the documents library should be shown in Explorer an empty white icon is displayed. No caption. * Right clicking in the Documents library to edit the folders that are part of the libraries brings the dialog up. However, that dialog is unusable. No folder is present there and clicking Add folder does nothing. * Deleting the library and auto-creating it doesn't solve the problem * The shared directory can be accessed via UNC paths and it can be mounted as a shared drive as well. The library is still broken. * The shared drives are on a W2008 indexed server... * Using the Windows Library tool utility doesn't solve the problem. What can the cause of this problem be and how can this be solved?

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  • gcc built by crosstool-ng gives undefined reference

    - by netvope
    I've successfully built a toolchain using crosstool-ng with the default configuration named x86_64-unknown-linux-gnu. The documentation says: Using the toolchain is as simple as adding the toolchain's bin directory in your PATH, such as: export PATH="${PATH}:/your/toolchain/path/bin" and then using the target tuple to tell the build systems to use your toolchain: ./configure --target=your-target-tuple or make CC=your-target-tuple-gcc or make CROSS_COMPILE=your-target-tuple- and so on... I followed the instructions and attempted to build GNU tar (tar-1.25.tar.bz2) with the toolchain. The commands ./configure --target=x86_64-unknown-linux-gnu and make CROSS_COMPILE=x86_64-unknown-linux-gnu- do not work (the build will succeed, but it uses the host system's gcc). The command make CC=x86_64-unknown-linux-gnu-gcc works, but in the very last step when it tries to link, it returns errors like this: compare.o: In function `openat': /dev/shm/x-tools/x86_64-unknown-linux-gnu/x86_64-unknown-linux-gnu/sys-root/usr/include/bits/fcntl2.h:134: undefined reference to `__openat_2' What could be the problem? Was the toolchain not properly setup? Perhaps x86_64-unknown-linux-gnu-gcc is using the header files from the host system but could not find the libraries in the target's sys-root?

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  • All commands stopped working in centos 6.5

    - by Michael
    I have made a big mistake while removing some duplicate packages as it appears to be broken. yum 1036 rpm -e --nodeps glibc-2.12-1.132.el6_5.2.x86_64 1037 rpm -e --nodeps nscd-2.12-1.132.el6_5.2.x86_64 1038 rpm -e --nodeps glibc-common-2.12-1.132.el6_5.2.x86_64 1040 rpm -e --nodeps glibc-common-2.12-1.132.el6.x86_64 glibc-devel-2.12-1.132.el6.x86_64 glibc-headers-2.12-1.132.el6.x86_64 1041 rpm -e glibc.x86_64 1042 rpm -e --nodeps glibc.x86_64 The issue happened after doing 1042 step. None of commands work(including yum, rpm, ls, cp etc) and getting error /lib64/ld-linux-x86-64.so.2: bad ELF interpreter: No such file or directory I thought that installing glibc after removing all the current ones would help to resolve the duplicate package error :( Now I realised that it is used as the C library in the GNU system and most systems with the Linux kernel. It defines the "system calls" and other basic facilities such as open, malloc, printf, exit, etc. Is there any possible solutions other than reinstall? I have lost ssh access. Maybe anything can be done using rescue cd? Thanks

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  • BIND master/slave does not respond for queries for its slave

    - by Savas
    Systems are all Centos 6.2 Lets say I have a masterdns with IP 10.2.1.2, authoritative for the 10.2.1.X subnet and let say it is domain example.com I have another two subnets, 10.2.2.X and 10.1.2.X Each one has its own DNS server, dns2 and dns1 respectively and let say these are domains dom2.example.com and dom2.example.com respectively. The masterdns server has slave zones for dns1, dns2 and respond to requests OK. The dns1, dns2 have the masterdns zones as slaves two, and respond to requests OK. So, the masterdns has as slave zones all the subordinate domains of example.com Each of dns1 and dns2 use masterdns as a forwards (which uses another dns cache/proxy server) for dns resolution of internet public domain names. It works OK that too. The problem is, and I cannot figure it out. Why queries for example at dns1 for hostnames of dom2.example.com do not resolve? If i use nslookup - masterdns at dns1 server, resolve (i use directly the dns facility of masterdns). If I use nslookup locally, meaning queries are sent to dns1, for hosts that are at dom2.example.com, they do not resolve. Everything other works OK.

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  • Rename Active Directory domain following Windows 2000 -> 2008 migration.

    - by ewwhite
    I'm working with a site that needs an internal DNS domain rename. It currently has a DNS name of domain.abc.com and NT name of ABC. I'm trying to get to a DNS name of abctrading.com and NT name of ABCTRADING. Split DNS would be used. The site originally ran from a single Windows 2000 domain controller hosting AD, file, print, DHCP and DNS services. There was no Exchange system in the environment. The 50 client PCs are all Windows XP with a handful of users using roaming profiles. All users are in a single OU and there are no group policy/GPOs. I'm a Linux engineer, but have been trying to guide another group of consultants to reach a more suitable setup. With the help of this group, we were able to move the single Windows 2000 system to a set of Windows 2008 R2 servers separated into domain controller and file/print systems (virtualized). We are also trying to add an Exchange 2010 system to this mix. The Windows 2000 server was demoted and is no longer in the picture. This is the tricky part, as client wants the domain renamed and the consultants aren't quite sure how to get through it without another 32-40 hours of testing/implementation. THey say that there's considerable risk to do the rename without a completely isolated test environment. However, this rename has to be done before installing Exchange. So we're stuck at this point. I'd like to know what's involved in renaming the domain at this point. We're on Windows Server 2008. The AD is healthy now. Coming from a Linux background, it seems as though there should be a reasonable path to this. Also, since the original domain appears to be a child/subdomain, would that be a problem here. I'd appreciate any guidance.

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  • Differential backup missing moved folders (flawed archive attribute logic)

    - by Max
    Recently I've discovered that my backup system it flawed: there are situation where various files/folders are missed. I do my backup from local disk to a network NAS. I use Cobian backup, and I have setup the backup software to create one full backup every week, and one differential backup every day. Now, the backup software (to my knowledge any backup software work this way) decide the files that go in the differential backup by looking at the file archive attribute. If the attribute is set, then the file go in to the backup. Now, when you move a file to a new location, on Windows systems, the archive attribute get set and the file is included in the backup, and that's fine... but when you move an entire folder, no archive attribute is set, nor on the folder, nor in any files inside the folder, so the moved folder isn't included in the differential backup! So, if you have a full backup plus a differential backup, and you moved folders around... then it's impossible to reconstruct the original files/folders structure starting from the full+differential backup, because the backup software didn't include the moved folders in the differential backup. So my differential backup are useless... Why does windows set the archive attribute when moving a file, but not when moving a folder? How can I deal with this issue? Is there a way to create a differential backup that works as it's supposed to do? Doing full backup every day is not practical, because the changed data is about 0.1% at day (by using a differential backup I can keep 4 weeks of files history without using too much disk space.)

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  • How do I install a different OS on a Compaq Presario cq56 with preinstalled SuSE 11?

    - by McCoy
    Thing is, I don't have a clue of Linux systems, I usually use WinXP. Bought a notebook with SuSE 11 on it, because I have my XP licence and thought I could install that if I found the chipset drivers for the hardware (which I'm not completely sure I have the right versions of). Then I thought I'd give it a shot with the SuSE, looked nice enough. But I can't get my external hd to work (tried force mount) and the banshee doesn't do anything like playing video. Since that is one of the two main purposes of this notebook, I need to get that to work. Tried downloading VLC player, but that only works with SuSE 11.1 upwards. So I downloaded a SuSE 11.3 and burned the iso. But surprise, no way the notebook would boot from cd. Same with the XP cd (considered setting up a dual boot). And no, I can't get to BIOS to reset to default, either. So I can basically do nothing else than going online with this thing and that's not enough for me (gamer in withdrawal, yikes!). I need at least to get to my firefox profile on the external hd and be able to watch video. Can somebody please help me? I think at this point I'd prefer to install XP and MAYBE the SuSE 11.3 after that. I'm not a native speaker, so please speak plainly, thanks. :) Edit: if this is impossible, could someone please help me with the external hd mount and video playback? Edit: Found out how to boot from cd by now. But still no XP, because I get bluescreen after bluescreen while setup is loading files. I guess it's the missing SATA drivers...

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