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• Laptop Brightness in Gnome and /proc - Thinkpad W510

  - by hakre

  I can set the brightness of my laptop screen already via /proc. I can read and change the value. Now I've set the value to 33 and then I went into gnome power management and enabled the option that it should reduce the backlight brightness being on battery. That works, the screen gets darker. If I now read out the current setting from /proc it still says it's 33. So I assume that there is another node in /proc to be used to control the brightness. The node I use so far is: /proc/acpi/video/VID/LCD0/brightness

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• How to know my wireless card has injection enabled?

  - by shrimpy

  I am playing around with aircrack. And was trying to see whether my wireless card on my laptop can pass the injection test And I end up seeing the following... does it mean my wireless card is not able to run aircrack? root@myubuntu:/home/myubuntu# iwconfig lo no wireless extensions. eth0 no wireless extensions. eth1 IEEE 802.11bg ESSID:"" Nickname:"" Mode:Managed Frequency:2.437 GHz Access Point: Not-Associated Bit Rate:54 Mb/s Tx-Power:24 dBm Retry min limit:7 RTS thr:off Fragment thr:off Power Management:off Link Quality=5/5 Signal level=0 dBm Noise level=-57 dBm Rx invalid nwid:0 Rx invalid crypt:781 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 root@myubuntu:/home/myubuntu# aireplay-ng -9 eth1 ioctl(SIOCSIWMODE) failed: Invalid argument ARP linktype is set to 1 (Ethernet) - expected ARPHRD_IEEE80211, ARPHRD_IEEE80211_FULL or ARPHRD_IEEE80211_PRISM instead. Make sure RFMON is enabled: run 'airmon-ng start eth1 <#>' Sysfs injection support was not found either. root@myubuntu:/home/myubuntu#

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• Replacement for NIS/YP

  - by mdpc

  The company that I am working for is embarking on replacing the current locally developed NIS/YP structure with LDAP. We already have AD in house for the Windows stuff and would like to consider using an AD system. The AD people are quite restrictive and would not support extensive modifications. We have needs to have the replacement include the support the full capabilities of the NIS/YP suite include netgroups, login restrictions to specific servers for specific users or groups of users, consistent passwords between the *nix and Windows environment,etc. Our environment is a mixture of Linux (suse, RH, Debian), Sun, IBM, HP and MPRAS as well as a NETAPP. So whatever we use must be totally inclusive to all environment. We have looked at Likewise, but our management wants other alternatives to compare with. What other things should I be looking at and what is you assessment of the alternative? Thanks

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• Windows XP, have to use ctrl+alt+delete to log on as local administrator

  - by wickedj

  Hey, I have a weird issue, a user was was logging into a laptop using the local admin account which was working fine. I had to create another account on the system, which was also an admin account, when this happened the 'administrator' account disappeared from the 'choose an account to login with' screen. A quick workaround is available, if the user presses ctrl+alt+delete it brings you to the screen where you can type in the username and password, so by manually typing 'administrator' it can log in. Normally this would be easily fixed, I figured the admin account had somehow been disabled from the local system, but i checked all settings and it is setup fine. The laptop is not part of a domain, so I used the management console to delete the new account and all that succeeded in doing was making the 'choose an account to log in with' screen display no accounts to choose. So far I see nothing else to fix it, the option to change the default logon screen to style where you type the username and password also seems to be missing. any ideas?

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• Laptops and Visual Studio 2010

  - by Chad

  I have three days to get a new laptop before I need one that can run Visual Studio 2010. Normally I have two instances open, an instance of SQL Management studio, IIS, and a few web browsers. Who develops regularly on one, what are the specs I should look at targeting? I haven't bought a laptop in 5 years, so I'm way out of touch with where they are at as far as specs go. Thanks. ps. Budget isn't a huge concern, but I'm trying to keep it reasonable.

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• Can't Open Up Event Viewer

  - by Erik W

  I just installed a large backlog of Windows Updates (I have Windows 7 Ultimate 64-bit) and now a handful of programs are acting strangely (not opening, crashing, etc) I went to try to diagnose the program using the Event Viewer, but when I open it up I get the error "Microsoft Management Console has Stopped Working" immediately after I double-click on the icon. Is there any way for me to figure out what is going wrong? I have another Windows 7 PC, that I tried to remotely view the logs from, but I got the error "The RPC Server is Unavailable". I'd like to start up the service, but oh wait, I can't open anything in the "Administrative Tools". I'd like not to re-install Windows, as I had just done so a couple months ago after a Windows Update jacked up my graphics card drivers.

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• AppFabric named cache, what happens if you lose a cache host?

  - by Liam

  I'm getting my head around how app fabric clustering works and there's something I'm not sure about. Given a structure where we have one named cache, with two lead hosts and (say) three cache hosts and high availability turned off and the lead host(s) performing the management role. When one cache host goes down do you loose the data that was on that cache host? In this MSDN article it states: Data on the non-lead hosts would be lost (assuming high availability was not enabled), but the rest of the cluster could continue serving and storing data But I was unsure if redundancy is built into the system. Would you loose x amount of data or would one of the other cache hosts store this data also and pick up the slack?

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• Multiple subnets behind SonicWall TZ 180

  - by Derek

  We have a SonicWall TZ180 that acts as a VPN endpoint. Right now it has one WAN IP address and a /24 assigned to the LAN interface. Our mail cluster administrator asked if it was possible to add a second private class C behind the VPN. This second subnet would be available to the other network and then we would use address objects and acls to limit access. Is this possible? I read up on PortShield but I don't know if that's what we would need to use because we're pushing all data out of one physical port into a Cisco switch that has VLANs already set up. Addendum: It appears that PortShields will do what I want with only one limitation; it requires a direct 1-1 relationship of portshield to physical port. This would then limit us to 4 PortShields on 1 TZ180. Is there a better solution than this?

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• Sudden slow read & write speed on all IO

  - by user23392

  I have a custom built rig that has 2 storage drives. for OS: Western Digital 1.0TB HARD DR 64MB for other stuff: Corsair Performance 3 128GB (SSD) [ expected read speed: 400 mb/s ] The system was incredibly fast for a couple of months, then one day i was playing a game then it started to get buggy (some sounds and objects disappearing), i stopped the game and the system seemed to be unstable so i had to shut it down, next morning i couldn't start it up, it was saying something about corrupt device. I formatted both disks and installed a fresh copy of windows, all i can say that since that day the system was never like before, it takes 10 minutes to boot up (the icons and desktop slowly appear). but once it's done the slowness isn't as noticeable. Here's my benchmark on the HDD ( read speed - write speed ): And the SSD: Anyone knows what could be the issue?

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• Export Import error 'SSIS Data Flow Task could not be created' ... registering DTSPipeline.dll, cannot create task "STOCK:PipelineTask"

  - by Moin Zaman

  I'm about to throw in the towel on this one. Running SQL Server 2008 enterprise on Windows 7 x64. Can't get past this issue. When I try to Import / Export Data from databases through SQL Server Management Studio I get the following Error. Error: TITLE: SQL Server Import and Export Wizard ------------------------------ The SSIS Data Flow Task could not be created. Verify that DTSPipeline.dll is available and registered. The wizard cannot continue and it will terminate. ------------------------------ ADDITIONAL INFORMATION: Cannot create a task with the name "STOCK:PipelineTask". Verify that the name is correct. ({0194F10C-9860-4A4F-AF8B-DE7EFD89859F}) I have tried many solutions found via Google, but none of them have worked. A side issue that may be related is when I try to create an Integration Services Project in Business Intelligence Studio I get a 'project creation failed' error.

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• Cannot access folder locally, but can remotely

  - by Cylindric

  I'm having a peculiar problem on one of my servers at the moment, which seems to be related to authentication in some way, but I have no idea how to find the root of the problem. I have a folder on the server D:\Somefolder\Logs. If I am connected to the server via an RDP terminal, so essentially "local", I cannot access that folder - I get an access denied. If I am connecting from my machine to it using the share \server\d$\Somefolder\Logs, I can access it. I'm logging in to both machines as the same user. Permissions on the folder seem quite simple, CREATOR OWNER, SYSTEM and Administrators. I am a Domain Admin, and they are in the local "Administrators" group. It is also affecting things like access to SQL Server, so I don't think it's a simple folder-permissions thing. For example, I cannot connect SQL Management Studio to all the local SQL instances using a domain account, but I can if I connect remotely to it.

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• Configuring weblogic server console with external server urls, etc

  - by MeBigFatGuy

  there are obviously various 'canned' configuration options in oracle's weblogic server console for setting up data sources, jms queues, ldap servers etc, etc. What i want however is a way to configure other servers, mostly server urls, etc, in the console as well, and allow web applications running on the web server to access those configuration settings at runtime, probably through jndi names. Things like a document management server, a workflow server, etc. However I'm at a loss for how to configure custom jndi 'data sources' within wls' console. Is this possible?

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• Advanced Terminal / Console apps for Mac OS X?

  - by Jakob Egger

  I use a lot of command line programs, very often with similar arguments. Can anyone recommend an application or a workflow that allows me to store often used shell commands and search through my recent commands, using a GUI? I have commands that I use very often (eg. rsync a specific directory to a server) and other commands that I use less often. Creating shell scripts for every code snippet I might reuse seems a bit awkward. Especially for programs that I use seldomly, I end up reading the docs over and over again, because I forgot to write down the exact shell command. Ideally I would like an app that's just like Terminal.app, but provides some kind of history and snippet management. What do you use to keep track of shell commands?

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• How to log Windows server share connections?

  - by sbussinger

  Can anyone make a suggestion for the best way to log connections and disconnections from Windows workstations to a Windows Server 2003 file share? We're having some issues with workstations that have a drive mapped to a server that seem to work fine for awhile and then suddenly appear to get disconnected from the server (with files open). Needless to say this causes some data corruption and error messages. It would help me to troubleshoot the problem if we could somehow monitor and log the session connections and disconnections, to attempt to correlate the connectivity issues with what actions the user is taking at the time and what the server is doing. I just haven't been able to find a way to do this. Specifically I'm talking about the same information that is displayed in the Computer Management control panel applet in the "System Tools|Shared Folders|Sessions" page. Thanks!

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• handle 50-100 million rectangle in AutoCAD

  - by Wang

  I have huge problem when I try to get large array. For example, I have something like 10000x10000 or 5000x5000 rectangles. It is almost impossible to do anything because the screen just got frozen up. It is impossible to contain so many objects in one array. So I had 100x100 rectangle array as xref then array the xref again. It ate up about 12GB RAM. I guess this is the problem. Can anyone give me any suggestions can achieve the same structure but without freezing the computer?

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• Can the JVM(Oracle) run into an OutOfMemory error if the heap size is below the max?

  - by user439407

  I am running a Tomcat site(with an NGinx front end) that seems to be randomly running out of memory even though the max heap size is pretty large. My question is is it possible for the JVM to get an OutOfMemory error even if the heap size is significantly less than -Xmx? For instance, here is a snapshot I took just 15 seconds before an OutOfMemory error: Tue Dec 18 23:13:28 JST 2012 Free memory: 162.31 MB Total memory: 727.75 MB Max memory: 3808.00 MB I guess theoretically it's possible that my code generated 3 gigs worth of objects in 15 seconds, but I highly doubt it. It seems like the JVM was unable to grow the heap even though it theoretically had room....Is it possible that other processes started using memory to the point that the JVM could not grow? I am running 64-bit Oracle Hotspot on a 64 bit vm running CentOS 5 with 6 gigs of ram.

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• Which simple server virtualization solution to use?

  - by vvanscherpenseel

  For one part of our hosting platform we are currently using VMware Server 2 to create two virtual machines on one physical machine. One VM is used for hosting of small websites, the other VM is used as a staging environment. Both the host OS and guest OSes run CentOS Linux. Support for VMWare Server 2 has been discontinued and we are currently looking for a replacement. We only use basic functionality (we don't use snapshots, moving around VMs to different physical machines, or other 'advanced' functionality'). Just a box, with two VMs. We are looking for a virtualization solution that has long-term support, is stable and allows configuration/management from Mac OSx (I understood that Xen only has a Windows client). What would be the right solution for us?

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• What does SQL Server do if you select more than 1 full backup when doing a restore?

  - by Rob Sobers

  I have a backup file that contains 2 backup sets. Both backup sets are full backups. When I open SQL Server Management Studio and choose "Restore..." and pick the file as my device, it lets me pick both backup sets. The restore operation completes without error, but I'm not sure exactly what SQL server did. Did it restore the first one, drop the database, and then restore the second one? Will it always let the most recent full backup prevail? It doesn't seem to make sense for SQL server to even allow you to select more than one full backup.

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• Hyper-V and host-installed hardware devices: can guest VMs access?

  - by gravyface

  Have a couple of servers I'd like to setup as Hyper-V Servers, with a couple of Windows 2008 Standard VMs. On the host, we have a few hardware devices we'd like to be accessible to the guest; I'm not sure if these are supported via a raw "pass-thru" on Hyper-V (which I don't have a lot of experience with) if the same drivers are installed on the guest. Hardware in question is a Brooktrout fax card, a SCSI adapter for the tape drive, and a 9-pin serial connected to one of the core firewalls for management.

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• Battery notification always showing 'xx% remaining' with Windows 7 on an acer Aspire 5590

  - by dindeman

  My battery level always shows up as something like 55% remaining or 63% remaining ...etc despite that it is in fact charging. Additionally it doesn't go any further than 80% remaining even if I keep it in charge forever. This leads me to a side annoying effect which is that I cannot proceed to install Windows 7 Service Pack 1 as its installer requires the laptop to be plugged with a power cord. My laptop is plugged with the power cord but because of the above issue (it doesn't display anything else than the xx% remaining) Windows thinks that the laptop is using its battery and that the power cord is disconnected. I have installed the original acer ePower Management tool that let you configure the power scheme... etc, I was hoping that this would help me circumvent the 80% issue but it doesn't.

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• monitor power and lock screen (Ubuntu Lucid)

  - by xsznix

  Hi, I'm trying to get my screen to turn off whenever I lock my screen. I know that in Power Management, there's an option to turn off the screen after a set amount of time, and I know about xset dpms force off, but the former doesn't allow me to turn off the screen from the logout menu, and the latter only turns the screen off for a short amount of time (1 minute or so. The screen just turns back on by itself). Is there a script I can modify to change what happens when "Lock screen" from the logout menu is selected, or is there a script I can add to the panel to lock the screen and then turn the monitor off (and turning it back on when I shake the mouse or something)? Thanks.

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• How to manage large number of desktop VMs?

  - by symcbean

  I'm looking at the feasibility of providing remote access to multiple virtual machines. The VMs themselves will provide user desktops. To make best use of the available resources, I'd like the VMs to hibernate when the user disconnects. Which implies being able to start them up when a user connects. Ideally each user would 'own' a VM image - but if not then I'd require that the session was terminated. Obviously this would require the remote access protocol to be tied into the VM management. Is there anything out there to provide such functionality? (extra credit for open protocols! ;)

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• Less daunting front end for SQL Server

  - by Martin

  We currently have a few users who have been using Access very succesfully to throw around large amounts of data. We've now got to the point where the data is just too large to be held in Access, as well as wanting to hold it in a single place where multiple users can access it. We have therefore moved the data over to SQL Server. I want to provide a general tool that they can use to view the data on the server and do some simple things like run queries and filters and export the data for offline manipulation. I don't want the support headaches that might come with rolling out SQL Management Studio, and neither do I want to have to create an Access database with links for each current database or ones that are created in the future. Can anyone recommend a simple tool that will connect to a server, list all the databases and allow a user to drill into a table and look at the data. Many thanks.

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• gevent with Django as daemon

  - by jonathonmorgan

  I've been developing an app using django_socketio (a python port of the Node equivalent), which relies on gevent. It ships with a Django management command that runs gevent's pywsgi server, but that of course stops when I close my terminal window, just like Django's dev server. This is a proof of concept, and there's no expectation that it would hold up in a production environment, but I'd like to have the server at least "permanently" process HTTP requests, so I don't need to manually start the dev server in order to demo. I'm assuming I need to run this as a daemon process, but prior to this I've only used apache and mod_wsgi, so unsure of where to begin, or even how I would go about starting a daemon. I found gevent-spawn, which looks promising, but it's unclear to me how that code is executed. Basically, how would I use gevent to serve a Django app in a setting without manually starting/stopping the server?

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• USB Format Error

  - by Dan Finan

  I'm having a real headache trying to reformat a USB drive. Initially it had a 200mb EFI partition and it caused the drive to disappear altogether. Since then I ran the CMD and wiped the disk using 'diskpart'. It took a few attempts but it finally cleaned the drive. Since then it has reappeared under (:E) however I am unable to access the drive and Windows is preventing me from reformatting it. I am just presented with 'Windows was unable to complete the format'. It's now acting like a CD drive instead of removable storage. I've tried going through Disk Management and I'm presented with the same error. I've removed the USB controllers from Device Manager - when the drive is connected again it re-installs the drivers and acts the same way. Any help given will be greatly appreciated, thank you. (Windows 7 machine)

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