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• Invoking 'Hotkey Mode' in IO Gear's GCS632U KVM Switch

  - by Tim Visher

  Awhile ago I changed the switch port key to left control on my IO Gear USB Switch and I'd like to change it back to Scroll Lock. When I did this, I have some memory of believing that I had found an error in the documentation for the switch regarding how to enter Hotkey Mode. Per the instructions in the manual(PDF), I'm supposed to be able to enter Hotkey Mode by Holding Scroll Lock for 2 seconds, adding Minus on the keypad for one second, and then release Minus first and within a second release Scroll lock. Ignoring the strangeness and fragility of this process, I'm looking for confirmation that this indeed works for anyone else. I can't remember why I thought it was wrong but I clearly remember that I did (I even had a blog post that I was going to write about but it got lost in the sands of time). As an aside, I'd be interested in seeing if there is any way to force a reset for the switch without entering Hotkey Mode as that would do exactly what I'm trying to do and I wouldn't have to mess with Hotkey Mode. Thanks in advance!

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• 3d Studio Max and 2+CPUs - Core limit ?

  - by FreekOne

  Hi guys, I am scouting for parts to put in a new machine, and in the process, while looking at different benchmarks I stumbled upon this benchmark and it got me a bit worried. Quote form it: Noticably absent from this review is an old-time favorite, 3ds Max. I did attempt to run our custom 3ds Max benchmark on both the 2009 and 2010 versions of the software, but the application would simply not load on the Westmere box with hyper-threading enabled. Evidently Autodesk didn't plan far enough ahead to write their software for more than 16 threads. Once there is an update that addresses this issue, I will happily add 3ds Max back into the benchmarking mix. Since I was looking at dual hexa-core Xeons (x5650), that would put my future machine at 24 logical cores which (duh) is well over 16 cores and since I'm mostly building this for 3DS Max work, you can see how this would seriously spoil my plans. I tried looking for additional information on this potential issue, but the above article seems to be the only one who mentions it. Could anyone who has access to a 16 core machine or an in-depth knowledge about 3DS Max please confirm this ? Any help would be much appreciated !

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• How do I identify and fix the cause of transaction log growth on SIMPLE recovery model databases?

  - by Stuart B

  I recently upgraded our SQL Server 2008 installations to service pack 2. One of our databases is on the simple recovery model, but its transaction log is growing extremely fast. The path I'm currently investigating is that we have a transaction somewhere out there stuck in active state. Here is why: select name, recovery_model_desc, log_reuse_wait_desc from sys.databases where name in ('SimpleDB') name recovery_model_desc log_reuse_wait_desc SimpleDB SIMPLE ACTIVE_TRANSACTION When I check my active transactions, I get the following. Note that I installed SP2 and restarted our server on 12/25 at around noonish. select transaction_id, name, transaction_begin_time, transaction_type from sys.dm_tran_active_transactions transaction_id name transaction_begin_time transaction_type 233 worktable 2010-12-25 12:44:29.283 2 236 worktable 2010-12-25 12:44:29.283 2 238 worktable 2010-12-25 12:44:29.283 2 240 worktable 2010-12-25 12:44:29.283 2 243 worktable 2010-12-25 12:44:29.283 2 245 worktable 2010-12-25 12:44:29.283 2 62210 tran_sp_MScreate_peer_tables 2010-12-25 12:45:00.880 1 55422856 user_transaction 2010-12-28 16:41:56.703 1 55422889 SELECT 2010-12-28 16:41:57.303 2 470 LobStorageProviderSession 2010-12-25 12:44:30.510 2 Note that according to the documentation a transaction_type of 1 means read/write, and 2 means read-only. So, my line of thinking is that the trans_sp_MScreate_peer_tables transaction is stuck for some reason and holding up transaction log truncation. Is this a plausible scenario? Correct me if my line of thinking is off, as I'm not a SQL Server expert. If this is correct, how do I erase that transaction so that my transaction log is truncated as usual?

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• need help with automating a CMD java tool whcih qurries alexa AWS using batch

  - by Eli.C

  Hi everyone, I need to get all available info on 600 URLs from "Alexa Web Information Service", I downloaded the java tool and I'm able to run a single query each time with a single switch/Response Group. I would like to ask how to write a batch file that would automate the process ? the java tool runs from the CMD with the following: C:java UrlInfo (key1) (key2) (URL) (Response Group) UrlInfo - constant key1 - constant key2 -constant URL - variable (I guess I need to use the "(" sign to read from a file) Response Group - variable - (14 total, and I need to run each Response Group on each of the URLs once ) the app returns data in clear text formatted as XML after each query, here is an example: C:java UrlInfo (key1) (key2) www.url.com Rank Response: (?xml version="1.0"?) (aws:UrlInfoResponse xmlns:aws="http://alexa.amazonaws.com/doc/2005-10-05/") (aws:Response xmlns:aws="http://awis.amazonaws.com/doc/2005-07-11") (aws:OperationRequest) (aws:RequestId)ec2b6-e8ae-b392(/aws:RequestId) (/aws:OperationRequest) (aws:UrlInfoResult) (aws:Alexa) (aws:TrafficData) (aws:DataUrl type="canonical")url.com/(/aws:DataUrl) (aws:Rank)472906(/aws:Rank) (/aws:TrafficData) (/aws:Alexa) (/aws:UrlInfoResult) (aws:ResponseStatus xmlns:aws="http://alexa.amazonaws.com/doc/2005-10-05/") (aws:StatusCode)Success(/aws:StatusCode) (/aws:ResponseStatus) (/aws:Response) (/aws:UrlInfoResponse) Any help would be really appreciated Thanks and regards Eli.C

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• Recover files from corrupt filesystem

  - by Emile 81

  My situation: I have an older 80GB IDE internal hdd, with a few files on that I would like very much to recover: some word documents some latex documents (text files) and pictures (png, jpg, eps files) some other text documents and visual studio project files I had backed them (not the latex ones though) up using svn, but have not committed lately, and would loose a lot of work if I cant recover. the hdd seems to have lost its filesystem, i have no idea how it came about. I know it has/had 3 NTFS partitions, i know the files i want are on the second or third partition. I read http://superuser.com/questions/81877/recover-hard-disk-data Partition Find and Mount did not see all the partitions using intelligent scan TestDisk does (i think), I followed the step by step instructions here, but when I try to list the files it says: "Can't open filesystem, filesystem seems damaged." I'm not sure how to proceed here, as TestDisks wiki does not contain this error message afaik. I don't know if the hdd is gonna fail, or some prog has caused the filesystem to be corrupt, the hdd doesnt make a sound, so i guess that's good. I would like some guidance so I don't accidentally cause more damage. (eg. is it ok to let testdisk write the filesystem to disk? I'm pretty the partitions are listed ok, but not 100%)

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• Ubuntu Hardy : Testing for environment variables in udev rules doesn't seem to work

  - by Fred

  I have a Ubuntu 8.04 LTS (server edition), and I need to write a udev rule for it to act upon plugging a USB thumb drive. However, I need a different action depending on the filesystem of the drive. I know I can use the ID_FS_TYPE environment variable to check for the filesystem on the drive. Following instructions found here, I try a dummy udev rule as such : KERNEL!="sd[a-z][0-9]", GOTO="my_udev_rule_end" ACTION=="add", RUN+="/usr/bin/touch /tmp/test_udev_%E{ID_FS_TYPE}" ACTION=="add", ENV{ID_FS_TYPE}=="vfat", RUN+="/usr/bin/touch /tmp/test_udev_it_works" LABEL="my_udev_rule_end" However, when I plug in a thumb drive with a vfat filesystem (which should trigger both rules), I end up with a file called /tmp/test_udev_vfat, meaning the first rule was triggered successfully, and that the ID_FS_TYPE environment variable is "vfat", but I don't have the other file, meaning that although I know the ID_FS_TYPE env variable is "vfat", I can't seem to check against it for a match. I tried googling the thing, but pretty much every result seems to assume ENV{ID_FS_TYPE}=="vfat" works. I also tested the exact same udev rule on Ubuntu 10.04 LTS server, and I have the same result. I'm probably missing something very simple, but I just don't get it. Does anyone see what is wrong with my udev rule that would prevent it from matching on ENV{ID_FS_TYPE}? Thanks.

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• Why do (Russian) characters in some received emails change when reading in David InfoCenter?

  - by waszkiewicz

  I'm using David InfoCenter as email Software, and I have troubles with some of my emails in Russian. It's only a few letters, in some emails (sent from different people), like for example the "R" ("P" in russian) will be shown as a "T". In other emails in Russian, the problem doesn't appear. Isn't it strange? Does anyone had the same problem already and found where it came from? When I transmit that email to an external mailbox (internet email account), it's even worse, and gives me symbols instead of all Russian letters... The default encoding was "Russian (ISO)", I changed it to "Russian (Windows)", but same problem. Another weird reaction is when I write an intern email and name it TEST in Russian (????), with ???? in the text window, it changes the title to "Oano"? But the content stays in Russian... With Mailinator I got the following, for message and subject "????": Subject: ???? [..] MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_000_00017783.4AF7FB71" This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. ------_=_NextPart_000_00017783.4AF7FB71 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 0KLQtdGB0YI= ------_=_NextPart_000_00017783.4AF7FB71 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: base64 PCFET0NUWVBFIEhUTUwgUFVCTElDICItLy9XM0MvL0RURCBIVE1MIDQuMCBUcmFuc2l0aW9uYWwv L0VOIj4NCjxIVE1MPjxIRUFEPg0KPE1FVEEgaHR0cC1lcXVpdj1Db250ZW50LVR5cGUgY29udGVu dD0idGV4dC9odG1sOyBjaGFyc2V0PXV0Zi04Ij4NCjxNRVRBIG5hbWU9R0VORVJBVE9SIGNvbnRl bnQ9Ik1TSFRNTCA4LjAwLjYwMDEuMTg4NTIiPjwvSEVBRD4NCjxCT0RZIHN0eWxlPSJGT05UOiAx MHB0IENvdXJpZXIgTmV3OyBDT0xPUjogIzAwMDAwMCIgbGVmdE1hcmdpbj01IHRvcE1hcmdpbj01 Pg0KPERJViBzdHlsZT0iRk9OVDogMTBwdCBDb3VyaWVyIE5ldzsgQ09MT1I6ICMwMDAwMDAiPtCi 0LXRgdGCPFNQQU4gDQppZD10b2JpdF9ibG9ja3F1b3RlPjxTUEFOIGlkPXRvYml0X2Jsb2NrcXVv dGU+PC9ESVY+PC9TUEFOPjwvU1BBTj48L0JPRFk+PC9IVE1MPg== ------_=_NextPart_000_00017783.4AF7FB71--

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• How do I host multiple independent, secured SharePoint sites (WSS 3.0) without using Active Director

  - by Kyle Noland

  I have a SharePoint site set up on one of my networks to service Active Directory users. To be clear, this is a Windows SharePoint Services 3.0 installation running on Windows Server 2003 Standard. It is not an option to upgrade the server or SharePoint version. Management would like to create several new sites, one for each of a handful of clients. These sites will be used like "dropboxes" or FTP sites so that my company can make large files available to outside contacts, and vice versa. Here are my requirements: I do not want to have to create Active Directory accounts for each external contact. If possible, I would like to store the external usernames and passwords in a database that I can write a small GUI for so that management can handle adding their own external contacts. Each client site must be sandboxed from each other and from my main company SharePoint site. I would like to keep everything running on port 80 and be able to access the sites as either clientname.mycompany.com or www.mycompany.com/clientname If anybody has ever done this I would really appreciate hearing about any lessons you learned and suggestions for how to set this up. Kyle

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• Using dnsmasq for accessing multiple nameservers assigned by DHCP

  - by Ash

  At my work desktop running openSUSE 11.4, I have a local network which gets its address, domain (work.site) and nameservers (10.100.1.1, 10.100.1.2) info through DHCP - which get written into /etc/resolv.conf I get to access the internet using the work network, and these 2 nameservers end up returning the entries for any public domain name lookups on the internet. I also have a private VPN that I end up connecting. The nameserver (10.111.1.1) and domain (private.site) are rarely bound to change for this network, but currently they're pushed by the openVPN client into networkmanager, and which also gets merged with the existing /etc/resolv.conf My resolv.conf ultimately ends up looking like this: search private.site work.site nameserver 127.0.0.1 nameserver 10.111.1.1 nameserver 10.100.1.1 As you can see the 2nd nameserver from my work network was pushed out because of the max 3 entry limitations. It is fine still, but would be a problem if that nameserver goes down for maintenance or something. So I found out that dnsmasq could help me here, and hence I setup dnsmasq just as a local DNS resolver without any DHCP support. So right now this is my /etc/dnsmasq.conf: resolv-file=/etc/resolv.conf server=/private.site/10.111.1.1 server=/1.111.10.in-addr.arpa/10.111.1.1 listen-address=127.0.0.1 bind-interfaces log-queries I've made dnsmasq get the list of nameservers from /etc/resolv.conf since NetworkManager seems to be updating this list correctly (for a max of 3 nameservers). I'm able to resolve the host names in both the networks correctly. So these are the questions I have: Is there a way I can make either NetworkManager or dhclient write out the list of nameservers somewhere else which I can make dnsmasq use as resolv-file ? How do I make dnsmasq use certain nameservers as the default for all queries ? Right now I notice that lookups for public domains on the internet are usually sent to both the nameservers - the one on work.site as well as private.site. It would be good if I can limit this only to work.site.

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• Use icacls to make a directory read-only on Windows 7

  - by Dave G

  I'm attempting to test some filesystem exceptions in a Java based application. I need to find a way to create a directory that is located under %TMP% that is set to read-only. Essentially on UNIX/POSIX platforms, I can do a chmod -w and get this effect. Under Windows 7/NTFS this is of course a different story. I'm running into multiple issues on this. My user has "administrative" right (although this may not always be the case) and as such the directory is created with an ACL including: NT AUTHORITY\SYSTEM BUILTIN\Administrators <my current user> Is there a way using icacls to essentially get this directory into a state where it is read-only PERIOD, do my test, then restore the ACL for removal? EDIT With the information provided by @Ansgar Wiechers I was able to come up with a solution. I used the following: icacls dirname /deny %username%:(WD) In the page located here I found this in the remarks section: icacls preserves the canonical order of ACE entries as: * Explicit denials * Explicit grants * Inherited denials * Inherited grants By performing the above icalcs command, I was able to set the current user's ability to write or append files (WD) to the directory to deny. Then it was a question of returning it to a state post test: icacls dirname /reset /t /c Done

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• IPCop Packet Mangling

  - by Zenham

  I've found myself in a pickle replacing an old firewall for a client this afternoon. I'm configuring their new IPCop firewall (1.4.21), Zerina OpenVPN addon is installed. What I need to do: There are three network interfaces, currently set up as red (WAN), green (LAN, 192.168.20.0/24) and orange (remote network 10.1.20.0/24). The orange interface is a direct fiber link to another organization. Simple description: Traffic and networks appear to be properly configured at this point, but I have many (150+) specific IPs on the LAN which, when accessing the resources on the 10.1.20.x network, need to be mangled to appear to be coming from the 10.1.20.0/24 network (and return traffic properly delivered). The routing on the far side was configured earlier and should be fine, but I need to redirect any packets coming across destined for those IPs to end up at their proper destination. The addressing is fixed and predictable (ie. 192.168.20.125 - 10.1.20.125). I need to insert whatever rules I have into the IPCop ruleset through /etc/rc.local I know, I'm just not sure about how I should structure this. There's CUSTOMOUTPUT and CUSTOMINPUT targets, both which currently just consist of the single rule redirecting packets to the OVPNOUTPUT/OVPNINPUT targets, so I'm guessing I should insert a rule matching outbound packets destined for the 10.1.20.x network and redirecting to a new target (maybe called TO-ORANGE) and a rule at the top of CUSTOMINPUT which redirects to a FROM-ORANGE target. Under those targets, I would have rules which do the IP matching and mangling. Am I approaching this right? If so, I'm not very familiar with mangle, and would appreciate seeing examples of how to write that source-IP rewrite. If not, how would you suggest doing this? TIA! edit: I notice additionally that the nat table has CUSTOMPREROUTING and CUSTOMPOSTROUTING targets, I guess I could alternatively post the rules in there....

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• GNU screen, how to get current sessionname programmably

  - by Jimm Chen

  [ This can be considered step 2 of my previous question Is it possible to change GNU screen session name after created? ] Actually, I'd like to write a script that can display current screen session name and change current session name. For example: sren armcross It will change the session name to armcross (ARM gcc cross compiler) and output something like: screen session name changed from '25278.pts-15.linux-ic37' to 'armcross' So, the key question now is how to get current session name. Not only for display the old session name, but according to Is it possible to change GNU screen session name after created? , I have to know it(pass to -d -r) before I can change it to something else. Can we use $STY for current session name? No. $STY will not change after you have changed the session name to a user-defined one. However, for command screen -d -r <oldsessname> -X sessionname armcross should be the user-defined name(if ever defined) instead of $STY, otherwise, screen spouts error "No screen session found." Maybe, there is a verbose way, use screen -list to list all sessions(user-defined name listed), then, match the pid part from $STY against those listed sessions and we will find current session's user-defined name. It should not be so verbose for such a straightforward question. Don't you think so? The -d -D and -r -R options seems to expose too much implementation detail to screen's user. It seems, to rename a session, you have to detach it, then do the rename, then reattach it. Right? My env: opensuse 11.3, GNU screen 4.00.03 (FAU) 23-Oct-06 Thank you.

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• need help with automating a CMD java tool which queries alexa AWS using batch

  - by Eli.C

  Hi everyone, I need to get all available info on 600 URLs from "Alexa Web Information Service", I downloaded the java tool and I'm able to run a single query each time with a single switch/Response Group. I would like to ask how to write a batch file that would automate the process? The java tool runs from the CMD with the following: C:\>java UrlInfo (key1) (key2) (URL) (Response Group) UrlInfo - constant key1 - constant key2 -constant URL - variable (I guess I need to use the "(" sign to read from a file) Response Group - variable - (14 total, and I need to run each Response Group on each of the URLs once ) the app returns data in clear text formatted as XML after each query, here is an example: C:\>java UrlInfo (key1) (key2) www.url.com Rank Response: (?xml version="1.0"?) (aws:UrlInfoResponse xmlns:aws="http://alexa.amazonaws.com/doc/2005-10-05/") (aws:Response xmlns:aws="http://awis.amazonaws.com/doc/2005-07-11") (aws:OperationRequest) (aws:RequestId)ec2b6-e8ae-b392(/aws:RequestId) (/aws:OperationRequest) (aws:UrlInfoResult) (aws:Alexa) (aws:TrafficData) (aws:DataUrl type="canonical")url.com/(/aws:DataUrl) (aws:Rank)**472906**(/aws:Rank) (/aws:TrafficData) (/aws:Alexa) (/aws:UrlInfoResult) (aws:ResponseStatus xmlns:aws="http://alexa.amazonaws.com/doc/2005-10-05/") (aws:StatusCode)Success(/aws:StatusCode) (/aws:ResponseStatus) (/aws:Response) (/aws:UrlInfoResponse) Any help would be really appreciated Thanks and regards Eli.C

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• Editing a windows XP installation's registry without being able to log in.

  - by Alain

  I've got a windows XP installation that has a corrupt registry. A worm (which was removed) had hijacked the HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon entry (which should have a value of Userinit=C:\windows\system32\userinit.exe When the worm was removed, the corrupt entry was deleted entirely, and now the system automatically logs off immediately after attempting to log in. Regardless of the user and boot mode, no accounts can be logged in to. The only thing required to correct this behavior is to restore the registry key, but I cannot come up with any ways of editing the registry without logging in to an account. I tried remotely connecting to the registry but the required services aren't enabled on the machine. I tried booting on the same machine using the BartPE boot CD but I could not find any way of editing the registry on the C:\Windows installation - running regedit only modifies the X:\I386\ registry in memory. So, what can I use modify the registry of an un-login-able Windows XP instance so that I can log in again? Thanks guys. EDIT: The fix worked. The solution to the auto-logoff problem was, as hoped, to simply add the value mentioned above to the appropriate registry entry. This can be done using the BartPE Boot CD, as described in the accepted answer below, but I used the Offline NT Registry Editor software mentioned in another answer. The steps were: Boot from the NT Registry Editor CD Follow the directions until the appropriate boot sector is loaded. Instead of using one of the default options for modifying passwords or user accounts, type "software" to edit that hive. Type '9' to enter the command line based registry editor. Type "cd Microsoft" (enter) "cd Windows NT" (enter) "cd CurrentVersion" (enter) "cd Winlogon" (enter) Type "nv 1 Userinit" to create a new value under the Winlogon key Type "ev Userinit" to edit the new value, and when prompted, type "C:\windows\system32\userinit.exe" (enter) Type 'q' to quit the registry editor, and as you back out of the system, follow directions to write the hive back to disk. Restart your computer and log in - problem solved. (generic 'warning: back up your registry' disclaimer)

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• VMWare Fusion: "No Permission to access this virtual machine"

  - by Craig Walker

  I had a VMWare Fusion VM backed up on my home network file server (Ubuntu). I wanted to run it again, so I copied it back to my Macbook. When I tried to launch it in VMWare, I got an error message: No permission to access this virtual machine. Configuration file: /Users/craig/WinXP Clean + Scanner.vmwarevm/WinXP Pro Test.vmx The permissions look fine to me: The bundle directory is 777 The bundle files (including the listed .vmx) are all 666 User is craig (my current user); group is staff. I changed the group to wheel at the suggestion of this page, but that didn't help. Finder shows read & write for craig, staff, and everyone on the bundle directory The bundle dir is also not locked Finder also shows rw and unlocked for the .vmx file The parent directory is also rw & unlocked Disk Utility permissions check doesn't show any problems with any of the associated files It sure looks like I should have wide open access to run this VM; why is Fusion complaining?

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• Bad Blocks Exist in Virtual Device PERC H700 Integrated

  - by neoX

  I have a DELL server with PERC H700 Integrated controller. I've made RAID5 with 12 harddrives and the virtual device is in Optimal state, but I receive such errors under linux: sd 0:2:0:0: [sda] Unhandled error code sd 0:2:0:0: [sda] Result: hostbyte=0x07 driverbyte=0x00 sd 0:2:0:0: [sda] CDB: cdb[0]=0x88: 88 00 00 00 00 07 22 50 bd 98 00 00 00 08 00 00 end_request: I/O error, dev sda, sector 30640487832 sd 0:2:0:0: [sda] Unhandled error code sd 0:2:0:0: [sda] Result: hostbyte=0x07 driverbyte=0x00 sd 0:2:0:0: [sda] CDB: cdb[0]=0x88: 88 00 00 00 00 07 22 50 bd 98 00 00 00 08 00 00 end_request: I/O error, dev sda, sector 30640487832 sd 0:2:0:0: [sda] Unhandled error code sd 0:2:0:0: [sda] Result: hostbyte=0x07 driverbyte=0x00 sd 0:2:0:0: [sda] CDB: cdb[0]=0x88: 88 00 00 00 00 07 22 50 bc e0 00 00 01 00 00 00 end_request: I/O error, dev sda, sector 30640487648 But all disk are in Firmware state: Online, Spun Up. Also there is not a single ATA read or write error in any disk in the raid (I check them with smartctl -a -d sat+megaraid,N -H /dev/sda). The only strange thing is in the output in megacli: megacli -LDInfo -L0 -a0 ... Bad Blocks Exist: Yes How could there be bad blocks in a Virtual Drive, which is in optimal state and no disk is broken or even with a single error? I tried "Consistency Check", but it finished successfully and the errors are still in dmesg. Could Someone help me to figure it out what is wrong with my raid?

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• unreadable corrupted ntfs partition - lost clusters reported

  - by Eduardo Martinez

  partition magic is reporting multiple 'bad file record signature' and 'lost clusters' errors on my 250GB samsung sata disk (connected via usb on a xp sp3). Unfortunately PM is unable to fix. PM shows the drive as being NTFS, detects used space ok and also drive name. But PM browser (right click on partition, browse...) won't show anything (as if disk was empty) Windows Explorer is not even picking the drive name and reports 'the file or directory is corrupted and unreadable' PTDD partition table doctor demo tells me the boot sector is fine, and I can see all disk content on its browser - but crucially cannot copy that content over to a new disk (PTDD browser is pretty arid to say the least) Also tried - photorec-6.11.3 - it actually started to extract files but wouldn't keep file names or any folder structure (maybe I missed sth on the configuration options) - find and mount - intellectual scan went well, the only partition on the disk was detected, then tried to mount into p: but got this error on windows explorer: 'p:\ is not accesible. The media is write protected'. Find and mount allows you to create an image from partition but I don't have a disk big enough at hand. Does anyone know if this will keep the extracted files/folders structure intact? I'm starting to think the disk is pretty screwed and my chances to recover this data are slim. Please someone enlighten me with that marvellous piece of software I am missing :-) Thanks in advance

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• ZFS + FreeBSD + virtualbox

  - by John

  Hi, I'm configuring a FreeBSD server hosting virtualbox serving half dozen mission critical busy mail servers. I just learned ZFS, I'm quite attracted, but have a few questions: what is the CPU overhead of ZFS? I googled and found little (or no) benchmark for that. from what I learned, when ZFS updates files, it keeps the old file as snapshot, and write the updated part for the new version. However that would mean for each snapshot it keeps that require significant storage overhead. How much is this storage overhead? For example, suppose I have 2TB usable space, how much space can actually be used for the latest version of files one year later? is FreeBSD with ZFS hosting virtualbox serving half dozen busy guest mission critical mail servers a reasonable combination? Anything particular to be careful with? And can I still choose ZFS for the guest OSs? This is because I may build another identical such box for redundancy, and will need to do some mirroring between each pair of the guest systems across the boxes. I'm trying to configure a Dell R710 for this. From what I learned, I shouldn't choose any RAID at all, is that true? In that case, are the drives still arrive hot swappable? this may sounds a bit pathetic, but since I have no experience with ZFS at all, and this is a mission critical server, so just ask just in case: I'm choosing twin Intel L5630 processors, and 6 x 600GB 15K RPM Serial-Attach SCSI drives. If I need more space in the future, I would just hot swap some drivers with larger capacity to expand the storage. There is no problem with these, right?

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• Scheduled tasks fail to start unless I'm logged in to the server

  - by Chuck

  Tasks need to open a CMD window and pass net use commands, then do a DIR command, pipping the output to a file on the server. Log in as either me (Sysadmin) or with one of the system accounts and task will only run if I'm physically logged into the server. Run as batch file is set in security properties for both users (me and service account), security is granted to all directories, etc. It almost acts like a scheduled task, since it is not physically connected to a display can't create a CMD window and pass the WinID so the command can be sent. I'm guessing. Anyone know of a document that explains how the server handles initiation of a window if done via scheduled task and no attached user is associated with the task? If I log onto the box and run the scheduled tasks they run fine, but produce no errors or event log entries and then just show that it ran successfully and sets the next run time. Have tried both with the run if logged in checkbox on and off and makes no difference. Other tasks work fine, except that they are acting on local drives with no display writing or updating taking place, so I'm guessing the system either can't instantiate a window if no display is connected to a logged on user, or it can't establish a point if it is trying to create a virtual screen. You'd think it is just creating a memory map and then mapping it to a device to display, but that doesn't seem to be the case, but I can find no documentation on how the system handles a scheduled task and how to invoke a fake or virtual screen that it could write to so it appears that a user was connected. Thanks This is driving me nuts and I've tried everything I can think of as well as our network boys ideas and nothing seems to work.

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• solaris zpool SSD cache device "faulted"

  - by John-ZFS

  I am trying to get over these SATA SSD errors - smartctl command failed to read the SATA SSD - SATA is not supported what could be the reason for errors? does this mean that SSD has reached EOL & needs to be replacement? errors: No known data errors pool: zpool1216 state: DEGRADED status: One or more devices are faulted in response to persistent errors. Sufficient replicas exist for the pool to continue functioning in a degraded state. action: Replace the faulted device, or use 'zpool clear' to mark the device repaired. scan: scrub repaired 0 in 0h24m with 0 errors on Fri May 18 14:31:08 2012 config: NAME STATE READ WRITE CKSUM zpool1216 DEGRADED 0 0 0 raidz1-0 ONLINE 0 0 0 c11t10d0 ONLINE 0 0 0 c11t11d0 ONLINE 0 0 0 c11t12d0 ONLINE 0 0 0 c11t13d0 ONLINE 0 0 0 c11t14d0 ONLINE 0 0 0 c11t15d0 ONLINE 0 0 0 c11t16d0 ONLINE 0 0 0 c11t1d0 ONLINE 0 0 0 c11t2d0 ONLINE 0 0 0 c11t3d0 ONLINE 0 0 0 c11t4d0 ONLINE 0 0 0 c11t5d0 ONLINE 0 0 0 c11t6d0 ONLINE 0 0 0 c11t7d0 ONLINE 0 0 0 c11t8d0 ONLINE 0 0 0 c11t9d0 ONLINE 0 0 0 logs c9d0 FAULTED 0 0 0 too many errors cache c10d0 FAULTED 0 17 0 too many errors

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• Can one config LDAP to accept auth from ssh-agent instead of from Kerberos?

  - by Alex North-Keys

  [This question is not about getting your LDAP password to authenticate you for SSH logins. We have that working just fine, thank you :-) ] Let's suppose you're on a Linux network (Ubuntu 11.10, slapd 2.4.23), and you need to write a set of utilities that will use ldapmodify, ldapadd, ldapdelete, and so on. You don't have Kerberos, and don't want to deal with its timeouts (most users don't know how to get around this), quirks, etc. This resolves the question to one of where else to get credentials to feed to LDAP, probably through GSSAPI - which technically doesn't require Kerberos despite its dominance there - or something like it. However, nearly everyone seems to have an SSH agent program, complete with its key cache. I'd really like an ssh-add to be sufficient to allow passwordless LDAP command use. Does anyone know of a project working on using the SSH agent as the source of authentication to LDAP? It might be through an ssh-aware GSSAPI layer, or some other trick I haven't thought of. But it would be wonderful for making LDAP effortless. Assuming I haven't just utterly missed a way to use ldapmodify and kin without having to type my LDAP passwords - using -x is NOT acceptable. At my site, the LDAP server only accepts ldaps connections, and requires authentication for modifying operations. Those are requirements, of course. Any ideas would be greatly appreciated. :-)

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• Subversion 1.6 + SASL : Only works with plaintext 'userPassword'?

  - by SiegeX

  I'm attempting to setup svnserve with SASL support on my Slackware 13.1 server and after some trial and error I'm able to get it to work with the configuration listed below: svnserve.conf [general] anon-access = read auth-access = write realm = myrepo [sasl] use-sasl = true min-encryption = 128 max-encryption = 256 /etc/sasl2/svn.conf pwcheck_method: auxprop auxprop_plugin: sasldb sasldb_path: /etc/sasl2/my_sasldb mech_list: DIGEST-MD5 sasldb users $ sasldblistusers2 -f /etc/sasl2/my_sasldb test@myrepo: cmusaslsecretOTP test@myrepo: userPassword You'll notice that the output of sasldblistusers2 shows my test user as having both an encrypted cmusaslsecretOTP password as well as a plain text userPassword passwd. i.e., if I were to run strings /etc/sasl2/my_sasldb I would see the test users' password in plaintext. These two password entries were created with the following subversion book recommended command: saslpasswd2 -c -f /etc/sasl2/my_sasldb -u myrepo test After reading man saslpasswd2 I see the following option: -n Don't set the plaintext userPassword property for the user. Only mechanism-specific secrets will be set (e.g. OTP, SRP) This is exactly what I want to do, suppress the plain text password and only use the mechanism-specific secret (OTP in my case). So I clear out /etc/sasl2/my_sasldb and rerun saslpasswd2 as: saslpasswd2 -n -c -f /etc/sasl2/my_sasldb -u myrepo test I then follow it up with a sasldblistusers2 and I see: $ sasldblistusers2 -f /etc/sasl2/my_sasldb test@myrepo: cmusaslsecretOTP Perfect! I think, now I have only encrypted passwords.... only neither the Linux svn client nor the Windows TortoiseSVN client can connect to my repo anymore. They both present me with the user/pass challenge but that's as far as I get. TLDR So, what is the point of SVN supporting SASL if my sasldb must store its passwords in plaintext to work?

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• Loading the 'pktgen' module on Ubuntu Server

  - by StackedCrooked

  I would like to enable and use the pktgen module on Ubuntu Server. I have enabed the module by adding a line containing 'pktgen' to the /etc/modules file. After rebooting it seems that the module is successfully loaded because the directory /proc/net/pktgen exists. However when trying to run the first sample I get these errors: root@ubuntu:~# bash ./pktgen.conf-1-1 Removing all devices Adding eth4 Setting max_before_softirq 10000 Configuring /proc/net/pktgen/eth4 ./pktgen.conf-1-1: line 9: /proc/net/pktgen/eth4: No such file or directory cat: /proc/net/pktgen/eth4: No such file or directory cat: /proc/net/pktgen/eth4: No such file or directory ./pktgen.conf-1-1: line 9: /proc/net/pktgen/eth4: No such file or directory cat: /proc/net/pktgen/eth4: No such file or directory cat: /proc/net/pktgen/eth4: No such file or directory ./pktgen.conf-1-1: line 9: /proc/net/pktgen/eth4: No such file or directory cat: /proc/net/pktgen/eth4: No such file or directory cat: /proc/net/pktgen/eth4: No such file or directory ./pktgen.conf-1-1: line 9: /proc/net/pktgen/eth4: No such file or directory cat: /proc/net/pktgen/eth4: No such file or directory cat: /proc/net/pktgen/eth4: No such file or directory ./pktgen.conf-1-1: line 9: /proc/net/pktgen/eth4: No such file or directory cat: /proc/net/pktgen/eth4: No such file or directory cat: /proc/net/pktgen/eth4: No such file or directory ./pktgen.conf-1-1: line 9: /proc/net/pktgen/eth4: No such file or directory cat: /proc/net/pktgen/eth4: No such file or directory cat: /proc/net/pktgen/eth4: No such file or directory Running... ctrl^C to stop Done It turns out the script simply unable to write a file to the /proc/net/pktgen directory. When I try this manually it fails as well: root@ubuntu:~# cd /proc/net/pktgen/ root@ubuntu:/proc/net/pktgen# touch eth4 touch: cannot touch `eth4': No such file or directory Can anyone help me make it work? I'm using Ubuntu version: 2.6.32-21-server. Fixed I apologize for keeping this post not up to date. I was able to fix it. If I remember well the cause of the error was that eth4 did not exist, or did not have the 'online' status. Anyway, it is fixed now.

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• IIS rewrite rule to check for querystring and add it if its not there

  - by M.R.

  I'm trying to make a IIS URL rewrite rule that appends an URL parameter to the URL. The url parameter is hssc. So, any url that is processed through the server, needs that parameter. Keeping in mind that some urls will have their own params already, and other urls won't, and root urls, etc, sometimes it will need to add ?hssc=1 or &hssc= - so, if I have a URL that is as such: http://www.blah.com should become http://www.blah.com/?hssc=1 http://www.blah.com/index.html should become http://www.blah.com/index.html?hssc=1 http://www.blah.com/?q=5 should become http://www.blah.com/q=5&hssc=1 http://www.blah.com/index.html?q=5 should become http://www.blah.com/index.html?q=5&hssc=1 http://www.blah.com/index.html?q=5&hssc=1 should be left alone I also want it that the URL should not be hidden (as in a backend rewrite behind the scenes). I need the URL to appear in the URL, so when users copy the URL, or bookmark it, the parameter is there. I've set the condition to match it \&hssc|\?hssc - now I just need a way to write the URL, so it appears and keeps the part of the original URL that is already there.

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• Linux Distro for Beginners

  - by XLR3204S

  Well... I know that's the question arising all over the Internet, but I couldn't find an answer to suit me after googling for quite some time. I'd like to get a Linux distribution, and start learning using the CLI. I'm looking for a distribution already having GNOME installed, as I'll be using Linux-Command.org as my learning resource, and I'm not very familiar with CLI-based web browsers. I'd mainly like to get to know my way around a UNIX-based system, and then I think I'd like to pick up a CLI-only distribution, and start doing more complex stuff. I've tried Ubuntu, Fedora Core, OpenSolaris and FreeBSD (the last two aren't linux distros, I know). Ubuntu and FC are fine, they do come with Firefox, but I'm not really sure they're meant for learning purposes. OpenSolaris was OK as well, but I haven't got to play with it enough. FreeBSD 7.2 did not want to install itself on my 13" MacBook Pro, it generated a kernel panic everytime while copying the files to the disk. So to sum this up, I'm trying to learn Linux, and I'm willing to invest time into this (that is, not giving up when the first problems arise). I also have intermediate knowledge of C++, if it helps, and I'm also using the CLI-vim to write small C++ CLI-based programs, so text editing should be any problem. And... speaking of Macs, how am I going to be limited if I try to learn how to use UNIX-based systems using the OS X Terminal? It uses bash 3.2, isn't this the same shell as the one found on most of the Linux machines? How does the fact that OS X is based on FreeBSD 4.4, if I'm not mistaking, affect this? Thanks in advance, and hopefully, I'll have a starting point ASAP.

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