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• 12.04 Unity 3D 80% CPU load with Compiz

  - by user39288

  EDIT : I have been able to to determine that the problem is not compiz, but is actually Xorg. I don't know why, but by quickly maximizing terminal and taking a screenshot with top running before the problem went away I am able to see xorg takes up 72% of cpu, with bamfdaemon taking up 18%, and compiz taking up 14%. Seems the nvidia drivers are to blame, will play more with settings and perhaps do a clean nvidia-current install to try to fix the problem. Having a very annoying problem with high CPU usage. Running 12.04 with latest drivers and nvidia-current installed. Have not had any issues for days, now I have a strange problem. Unity 3d runs great most of the time, 1-2% CPU usage with only transmission running in background. Windows open and close smoothly. However,no matter what programs are open, if I minimize all open programs to the unity bar on the left, my CPU jumps to about 80% and slows down all maximize and minimize effects. Mouse movement stays smooth the whole time, but unity becomes unresponsive for up to 30 seconds at times. Hitting alt + tab to bring up even a single window fixes the problem. The window I bring back up doesn't even have to be maximized to solve the problem. Hitting the super button to bring up the dash makes CPU drop back to idle until I close it, then high CPU usage resumes. Believe the problem is compiz, but even just having only terminal running "top", I have to minimize it to the tray for the problem to show, so I can't see the problem process. I can only tell about the high CPU usage using indicator-sysmonitor. Even tried quitting the indicator, but I can still tell very poor performance with all applications when minimized. Reset compiz back to defaults, tried going to the post-release update nvidia drivers, played with vsync settings in both the nvidia settings and compiz. Even forced refresh rate, but cannot solve the problem. The problem does NOT occur in Unity 2D. Specs are core 2 duo 2.0ghz, 4GB ddr2 ram, 2x 320's HDD in RAID 0, and Nvidia GTX 260M graphics card.

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• OSS4 on Debian Squeeze

  - by mit

  Hi, I am trying to get OSS4 to work on a Debian Squeeze 64 bit machine with an usb sound adapter. There is no sound from this adapter at the present, although it worked just before on the previous installation. You can see the output of some commands here: $ sudo /etc/init.d/oss4-base restart Stopping Open Sound System: SNDCTL_MIX_EXTINFO: No such device or address done. Starting Open Sound System: done (OSS is already loaded). $ sudo /etc/init.d/oss4-base stop Stopping Open Sound System: SNDCTL_MIX_EXTINFO: No such device or address done. $ sudo /etc/init.d/oss4-base start Starting Open Sound System: done (OSS is already loaded). $ ossinfo Version info: OSS 4.2 (b 2002/201001250441) (0x00040100) GPL Platform: Linux/x86_64 2.6.32-5-xen-amd64 #1 SMP Fri Dec 10 17:41:50 UTC 2010 (pc11) Number of audio devices: 2 Number of audio engines: 2 Number of MIDI devices: 0 Number of mixer devices: 2 Device objects 0: osscore0 OSS core services 1: oss_hdaudio0 ATI HD Audio interrupts=0 (613) HD Audio controller ATI HD Audio Vendor ID 0x10024383 Subvendor ID 0x10192816 Codec 0: Not present 2: oss_usb0 USB audio core services 3: usb0d8c0126-0 USB sound device 4: usb0d8c0126-1 USB sound device 5: usb0d8c0126-2 USB sound device 6: usb0d8c0126-3 USB sound device MIDI devices (/dev/midi*) Mixer devices 0: (USB sound device )(Mixer 0 of device object 3) 1: USB sound device (Mixer 0 of device object 5) Audio devices (USB sound device play /dev/oss/usb0d8c0126-1/pcm0 ) (device index 0) USB sound device play /dev/oss/usb0d8c0126-3/pcm0 (device index 1) Nodes /dev/dsp -> /dev/oss/usb0d8c0126-1/pcm0 /dev/dsp_out -> /dev/oss/usb0d8c0126-1/pcm0 /dev/dsp_mmap -> /dev/oss/usb0d8c0126-1/pcm0 $ osstest Sound subsystem and version: OSS 4.2 (b 2002/201001250441) (0x00040100) Platform: Linux/x86_64 2.6.32-5-xen-amd64 #1 SMP Fri Dec 10 17:41:50 UTC 2010 *** Scanning sound adapter #-1 *** /dev/oss/usb0d8c0126-1/pcm0 (audio engine 0): USB sound device play - Device not present - Skipping *** Scanning sound adapter #-1 *** /dev/oss/usb0d8c0126-3/pcm0 (audio engine 1): USB sound device play - Performing audio playback test... /dev/oss/usb0d8c0126-3/pcm0: No such file or directory Can't open the device *** Some errors were detected during the tests *** $ ossxmix /dev/oss/usb0d8c0126-2/mix0: No such file or directory No mixers could be opened $ ossmix SNDCTL_MIX_EXTINFO: No such device or address ad@pc11:~$ man ossmix ad@pc11:~$ ossmix -a SNDCTL_MIX_EXTINFO: No such device or address ad@pc11:~$ man ossmix ad@pc11:~$ ossmix -D SNDCTL_MIX_EXTINFO: No such device or address ad@pc11:~$ ossmix -D 0 SNDCTL_MIX_EXTINFO: No such device or address ad@pc11:~$ man ossmix ad@pc11:~$ ossxmix /dev/oss/usb0d8c0126-2/mix0: No such file or directory No mixers could be opened How can I make oss sound work? I can add more information if necessary.

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• How to setup a static multicast ARP entry with Cisco SG300?

  - by Fredrik Hedberg

  We're running a Microsoft NLB cluster in multicast mode as a loadbalancer. Using our old Cisco IOS switches we propagate access to the cluster to our branches using a static ARP entry in the core router: arp 10.20.1.226 03bf.0a14.01e2 ARPA But how does one solve this using non-IOS based Cisco hardware such as the SG300 series? Adding a static ARP entry results in an error message telling the user that the hardware address needs to be a valid unicast MAC address.

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• ESXI Crash need help to understand log and support about nexentastor on virtual machine

  - by Bgnt44

  If i understand right, the following core dump means that the cpu4 has crashed the Host if i read the next line it seem that at the time the CPU 4 was assigned to the NexentaStore Vm ... SO if im right i can say that NexentaStor Vm crash my esxi Am i right ? Does that core dump can provide me some more informations ? 2012-11-14T03:48:01.046Z cpu4:6089)0x41221f25ba08:[0x41803007abff]PanicvPanicInt@vmkernel#nover+0x56 stack: 0x3000000008, 0x41221f25ba 2012-11-14T03:48:01.046Z cpu4:6089)0x41221f25bae8:[0x41803007b4a7]Panic@vmkernel#nover+0xae stack: 0x2e067c00000010, 0x0, 0x1f25bb38, 2012-11-14T03:48:01.047Z cpu4:6089)0x41221f25bc18:[0x4180300a7823]TLBDoInvalidate@vmkernel#nover+0x45a stack: 0xca, 0x0, 0x0, 0x0, 0x0 2012-11-14T03:48:01.047Z cpu4:6089)0x41221f25bc68:[0x418030489e17]UserMem_CartelFlush@<None>#<None>+0xce stack: 0xcaa0b, 0x0, 0x0, 0x4 2012-11-14T03:48:01.047Z cpu4:6089)0x41221f25bd78:[0x41803048ab91]UserMemUnmapStateCleanup@<None>#<None>+0x58 stack: 0x0, 0x41221f25bd 2012-11-14T03:48:01.047Z cpu4:6089)0x41221f25be58:[0x41803048b97d]UserMemUnmap@<None>#<None>+0x104 stack: 0x41221f267000, 0x41221f25bf 2012-11-14T03:48:01.048Z cpu4:6089)0x41221f25be98:[0x41803048bf20]UserMem_Unmap@<None>#<None>+0xe3 stack: 0x426, 0x0, 0x41221f25bef8, 2012-11-14T03:48:01.048Z cpu4:6089)0x41221f25beb8:[0x4180304a5985]UW64VMKSyscallUnpackReleasePhysMemMap@<None>#<None>+0x18 stack: 0x10 2012-11-14T03:48:01.048Z cpu4:6089)0x41221f25bef8:[0x418030476791]User_LinuxSyscallHandler@<None>#<None>+0x17c stack: 0x41803004cc70, 2012-11-14T03:48:01.048Z cpu4:6089)0x41221f25bf18:[0x4180300a82be]User_LinuxSyscallHandler@vmkernel#nover+0x19 stack: 0x3ffe63bed80, 0 2012-11-14T03:48:01.049Z cpu4:6089)0x41221f25bf28:[0x418030110064]gate_entry@vmkernel#nover+0x63 stack: 0x10b, 0x0, 0x0, 0x426, 0xcf76 2012-11-14T03:48:01.049Z cpu4:6089)VMware ESXi 5.1.0 [Releasebuild-799733 x86_64] PCPU 1 locked up. Failed to ack TLB invalidate (total of 1 locked up, PCPU(s): 1). 2012-11-14T03:48:01.050Z cpu4:6089)cr0=0x80010031 cr2=0xcaa0b750 cr3=0x197d7b000 cr4=0x42768 2012-11-14T03:48:01.050Z cpu4:6089)pcpu:0 world:6111 name:"vmm0:Windows_2012_-_SQL" (V) 2012-11-14T03:48:01.050Z cpu4:6089)pcpu:1 world:6032 name:"vmm0:Windows_2012_-_AD" (V) 2012-11-14T03:48:01.050Z cpu4:6089)pcpu:2 world:6098 name:"vmm0:Windows_2012_-_App" (V) 2012-11-14T03:48:01.050Z cpu4:6089)pcpu:3 world:4099 name:"idle3" (IS) 2012-11-14T03:48:01.050Z cpu4:6089)pcpu:4 world:6089 name:"vmx-vcpu-0:NexentaStor" (U) 2012-11-14T03:48:01.050Z cpu4:6089)pcpu:5 world:6134 name:"vmm0:Ubuntu_-_NGINX" (V) 2012-11-14T03:48:01.050Z cpu4:6089)pcpu:6 world:4102 name:"idle6" (IS) 2012-11-14T03:48:01.050Z cpu4:6089)pcpu:7 world:4103 name:"idle7" (IS) 2012-11-14T03:48:01.050Z cpu4:6089)@BlueScreen: PCPU 1 locked up. Failed to ack TLB invalidate (total of 1 locked up, PCPU(s): 1).

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• Does "Noctua NH-U12-DX 1366" mount on Asus p6t 1366?

  - by Andrea Ambu

  On Noctua site they state: Caution: The NH-U12DX 1366 can only be used on mainboards that have a backplate with screw threads for CPU cooler installation (such as the Intel reference backplate for Xeon 5500). The cooler is thus incompatible with Xeon 3500 and Core i7 mainboards that don’t have such a backplate. How do I know if Asus p6t has it?

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• 500 internal server error on certain page after a few hours

  - by Brian Leach

  I am getting a 500 Internal Server Error on a certain page of my site after a few hours of being up. I restart uWSGI instance with uwsgi --ini /home/metheuser/webapps/ers_portal/ers_portal_uwsgi.ini and it works again for a few hours. The rest of the site seems to be working. When I navigate to my_table, I am directed to the login page. But, I get the 500 error on my table page on login. I followed the instructions here to set up my nginx and uwsgi configs. That is, I have ers_portal_nginx.conf located i my app folder that is symlinked to /etc/nginx/conf.d/. I start my uWSGI "instance" (not sure what exactly to call it) in a Screen instance as mentioned above, with the .ini file located in my app folder My ers_portal_nginx.conf: server { listen 80; server_name www.mydomain.com; location / { try_files $uri @app; } location @app { include uwsgi_params; uwsgi_pass unix:/home/metheuser/webapps/ers_portal/run_web_uwsgi.sock; } } My ers_portal_uwsgi.ini: [uwsgi] #user info uid = metheuser gid = ers_group #application's base folder base = /home/metheuser/webapps/ers_portal #python module to import app = run_web module = %(app) home = %(base)/ers_portal_venv pythonpath = %(base) #socket file's location socket = /home/metheuser/webapps/ers_portal/%n.sock #permissions for the socket file chmod-socket = 666 #uwsgi varible only, does not relate to your flask application callable = app #location of log files logto = /home/metheuser/webapps/ers_portal/logs/%n.log Relevant parts of my views.py data_modification_time = None data = None def reload_data(): global data_modification_time, data, sites, column_names filename = '/home/metheuser/webapps/ers_portal/app/static/' + ec.dd_filename mtime = os.stat(filename).st_mtime if data_modification_time != mtime: data_modification_time = mtime with open(filename) as f: data = pickle.load(f) return data @a bunch of authentication stuff... @app.route('/') @app.route('/index') def index(): return render_template("index.html", title = 'Main',) @app.route('/login', methods = ['GET', 'POST']) def login(): login stuff... @app.route('/my_table') @login_required def my_table(): print 'trying to access data table...' data = reload_data() return render_template("my_table.html", title = "Rundata Viewer", sts = sites, cn = column_names, data = data) # dictionary of data I installed nginx via yum as described here (yesterday) I am using uWSGI installed in my venv via pip I am on CentOS 6 My uwsgi log shows: Wed Jun 11 17:20:01 2014 - uwsgi_response_writev_headers_and_body_do(): Broken pipe [core/writer.c line 287] during GET /whm-server-status (127.0.0.1) IOError: write error [pid: 9586|app: 0|req: 135/135] 127.0.0.1 () {24 vars in 292 bytes} [Wed Jun 11 17:20:01 2014] GET /whm-server-status => generated 0 bytes in 3 msecs (HTTP/1.0 404) 2 headers in 0 bytes (0 switches on core 0) When its working, the print statement in the views "my_table" route prints into the log file. But not once it stops working. Any ideas?

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• IIS on localhost is very slow

  - by Nyla Pareska

  I am using IIS7 on Windows Vista dual core cpu. The first time hit on a WCF service or an ASP.NET webform sometimes takes way longer than a minute which is not really acceptable for me. I configured the application to use the Classic .NET application pool and tried playing with the Maximum worker processes, first setting it to 4 but put it back to 1 as it did not have the expected result. Are there any other things that I can try?

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• IE8: intense flickering for Flash in Windows 7 RTM

  - by 280Z28

  Whenever I view a page with Flash on it (example www.fox.com), if I move my mouse around the page flickers intensely - like siezure inducing flicker. Is this a known issue, and is there a way to fix it? Windows 7 RTM x64 IE8 Flash Player, Acrobat Reader, Shockwave Player are all I installed Consistent across 3 very different machines (AMD ZM-82 + Radeon HD3200 laptop, Core i7 + NVidia GT220 desktop, P4D + NVidia 6400GT desktop), but all with the above software.

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• Computer wont install Windows Vista or Windows 7

  - by AsheeVee

  I had Windows Vista on my computer and wanted to upgrade to Windows 7 and thought that I would format my computer since it had been awhile. When I installed Windows 7 it wouldnt let me it would go through all the installation and then when my computer rebooted it would just be black screen with my mouse, I have tried mulitpule times now, and have just gone backs to Windows Vista, this no longer works and does the same thing as when I tried to insta I have a Nvidia GTX 275 video card, ASUS m2N-E SLI mother board,and a AMD 5200 Dual core processor

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• Audio Static/Interference regardless of audio interface?

  - by Tom

  I currently am running a media center/server on a Lubuntu machine. The machine specs: Core 2 Duo Extreme EVGA SLI 680i MotherBoard 2 GB DDR2 Ram 3 Hard Drives no raid - WD Caviar Black, Green, and Samsung Spinpoint Galaxy GTX 220 1GB External USB Creative XI-FI Extreme Card 550W Power Supply This machine is hooked up through an optical cable to an ONKYO HTR340 Receiver through the XIFI card. Whenever I play any audio regardless if it is through XBMC, the default audio player, a flash video, etc, I get a horrible static sound that randomly gets louder. Here is a video of the sound: http://www.youtube.com/watch?v=SqKQkxYRVA4 This static comes in randomly, sometimes going away for short periods, but eventually always comes back. So far I have tried everything I could think of: Reinstalling OS Installing/upgrading/repairing PulseAudio/Alsa Installing alternate OSes, straight Ubuntu, Lubuntu, Xubuntu, Arch, Mint, Windows 7 Switching audio from the external card to internal Optical, audio out through HDMI, audio out through headphones Different ports on receiver (my main desktop sounds fine on the same sound system) Different optical cables Unplugging everything unnecessary from the motherboard (1 HD, 1 Stick of Ram, 1 Keyboard) Swapping out ram Swapping out the motherboard Replacing the Graphics Card (was replaced due to fan being noisy, not specifically for this problem) Different harddrives Swapping power supply Disabling onboard audio Pretty much everything short of swapping the CPU. I haven't been able to narrow down the problem and it is getting frustrating. Is it possible that the CPU is faulty and might cause a problem such as this, or that the PC case is shorting out the motherboard? Any kind of suggestions will be appreciated.

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• Why is usable RAM less than total RAM?

  - by D Connors

  My girlfriend bought a laptop last week. It's a core 2 duo with 4 GB We installed vista 64bit, and one of the first things we did was right click on "My computer" to see gthe properties. Immediately we noticed something strange about her RAM, the line said: Installed memory (RAM): 4,00 GB (3,68 GB usable) I told her not to worry, thinking it must be something about the laptop hardware (considering her vista installation came from the same DVD as mine, and I never noticed anything like that on my 4 GB desktop). One hour ago, it got worse. We looked at Properties again, and it now says: Installed memory (RAM): 4,00 GB (2,98 GB usable) What does that mean? Are those 1,02 GB missing or being used by the system? EDIT: There is a possibility that the sytem information is wrong. I just noticed that it reports an intel T6500 processor, when it's actually a T6400. How can I find out how much RAM is really available to the system? EDIT2: Checking the resource monitors, it says 1003 MB are reserved for the hardware. Is that good or bad? Thanks

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• Windows Server 2008 R2 vs Windows 7 Ultimate

  - by Techeretic

  I have a Dual Core Intel CPU E7200, 4 GB RAM, and a NvIDIA 8600 GT for graphics and 500GB HDD. This configuration runs Windows 7 Ultimate very smoothly, but now I recently signed up to the MS WebSiteSpark programme and have downloaded the Windows Server 2008 R2. So my question is whether I can use the Server Edition for my day to day use, play games, etc etc?? I want to install the Server OS to monitor my Home Network and also for some web development I have been trying out lately.

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• Coreinfo reports i7-3770 CPU doesn't support EPT (aka SLAT) and VMX

  - by Toro

  Here is the output: Coreinfo v3.05 - Dump information on system CPU and memory topology Copyright (C) 2008-2012 Mark Russinovich Sysinternals - www.sysinternals.com Note: Coreinfo must be executed on a system without a hypervisor running for accurate results. Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz Intel64 Family 6 Model 58 Stepping 9, GenuineIntel HYPERVISOR * Hypervisor is present VMX - Supports Intel hardware-assisted virtualization EPT - Supports Intel extended page tables (SLAT) According to Intel the CPU does have a VMX and EPT support.

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• What is the § ± key for on Mac keyboards?

  - by Pat Wallace

  Apple's keyboards have a new key, with § and ± symbols on it. Can somebody tell me what these keys are for, and where I should use them? I am aware the symbols have mathematical uses, but I assume they must do something important as well to be on the core keyboard. Or are they just the 'Scroll Lock' of the Apple world?

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• Low Profile AMD Cooling

  - by J. T.

  I have a few setups where I can mount two motherboards on top of each other. They are running AMD Athlon 64 x2 dual core 4200 CPU's using a very low profile CPU cooler. These coolers are loud and annoying. Does anyone know of a low profile QUIET CPU cooling solution?

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• Can I upgrade the CPU in my Lenovo 3000 N100 laptop?

  - by Pavel

  I've got an Intel Core Duo T2300 in my laptop (Lenovo 3000 N100, 0768-49G). Here is what I could find out about it: $ sudo dmidecode # dmidecode 2.11 SMBIOS 2.4 present. 42 structures occupying 1436 bytes. Table at 0x000DC010. Handle 0x0000, DMI type 0, 24 bytes BIOS Information Vendor: LENOVO Version: 61ET37WW Release Date: 06/04/07 Address: 0xE6B70 [...] Handle 0x0002, DMI type 2, 8 bytes Base Board Information Manufacturer: LENOVO Product Name: CAPELL VALLEY(NAPA) CRB [...] Handle 0x0004, DMI type 4, 35 bytes Processor Information Socket Designation: U2E1 Type: Central Processor Family: Other Manufacturer: Intel ID: E8 06 00 00 FF FB E9 BF Version: Genuine Intel(R) CPU T2300 @ 1.66GHz Voltage: 3.3 V External Clock: 166 MHz Max Speed: 2048 MHz Current Speed: 1600 MHz Status: Populated, Enabled Upgrade: ZIF Socket L1 Cache Handle: 0x0005 L2 Cache Handle: 0x0006 L3 Cache Handle: Not Provided Serial Number: Not Specified Asset Tag: Not Specified Part Number: Not Specified $ cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 14 model name : Genuine Intel(R) CPU T2300 @ 1.66GHz stepping : 8 microcode : 0x39 cpu MHz : 1000.000 cache size : 2048 KB I believe the chipset is "Mobile Intel 945GM Express", but I don't know how to verify it on a Linux system. I'm not sure about the socket, but Intel claims "Sockets Supported: PBGA479, PPGA478". Now, I'd like to upgrade to the fastest compatible CPU available, but I'm a bit lost in all the details. Can you guys help me out with a couple of questions, please? What CPUs can I choose from? (I think it's only the Core2Duo line, but it should be enough for an upgrade) Can I use a 64-bit CPU? Can I use a CPU with a higher FSB than 667 MHz? Do I have to worry about additional cooling, or is it enough to check for similar voltage/TDP values? Thank you!

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• Capacity Planning IIS6

  - by user45457

  Hello, I am planning to host 5000 site with separate application pool. Based on my estimate there are around 1600- 2000 worker process will be running on the server. So my question is: Is is possible to host 5000 sites on a server with IIS 6. Server Configuration: 16 Core @ 2.27 Ghz CPU 8 GB RAM Please tell me if u require any other information. Kartik

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• Windows 7 AIK help

  - by microchasm

  I've just got in a few Windows 7 (64, Windows 7 Professional) machines, and I'm trying to get the AIK 2010 working. I've set up one of the machines, and installed AIK and MDT on it. I've followed the directions at http://technet.microsoft.com/en-us/library/dd349348%28WS.10%29.aspx about 3 times now, and also tried the built-in .chm help files that came with AIK. In AIK I grab the install.wim image off the OEM cd, at which point it asks me which version (I select Professional). I follow the rest of the instructions creating a new Autounattend answer file, and fill in the various bits and pieces according the the step-by-step guides. I verify the Answer file (No warnings or errors), save it, and copy it onto a USB drive. I go to another machine, insert it's OEM Win7 Disk, and power on. I've set BIOS to boot from CD, so it goes directly into the installation. Once The files are loaded, and Setup starts, it immediately asks which version to install (Home basic, Home Premium, Professiona, Ultimate). Ugh, I thought it was supposed to be an automated install, and that selecting the Version when opening the .wim file would answer this question. I looked for an option to set which version to be installed on the net, in the help, and in AIK itself; to no avail. Anyway, just for laughs I select Professional,and hit continue. It copies files for about 10 seconds, then fails with the following error: "Setup was unable to create a new system partition or locate an existing system partition. See the setup log files for more information. [OK]". Clicking OK reboots the box, and obviously there are no log files because the OS isn't installed. It is a Dell Optiplex 380 , Intel Core Duo 2.93 GHzl 4 GB RAM, 64 Bit. Any help would be REALLY appreciated.

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• raid 1 and high load average

  - by melocoton

  i have a server with high load average, I think the problem is the raid 1. cat /proc/mdstat Personalities : [raid1] md0 : active raid1 sdb1[1] sda1[0] 256896 blocks [2/2] [UU] md3 : active raid1 sdb3[1] sda3[0] 2562240 blocks [2/2] [UU] md4 : active raid1 sdb5[1] sda5[0] 958566272 blocks [2/2] [UU] md1 : active raid1 sdb2[1] sda2[0] 15366080 blocks [2/2] [UU] model name : Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz Linux 2.6.18-164.6.1.el5.centos.plus (local) 04/19/2010 avg-cpu: %user %nice %system %iowait %steal %idle 17.37 0.01 6.02 26.17 0.00 50.43 Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn sda 61.09 562.65 893.73 1557214 2473546 sda1 0.01 0.27 0.02 751 42 sda2 6.11 195.50 169.78 541075 469888 sda3 0.01 0.23 0.00 641 0 sda4 0.00 0.01 0.00 18 0 sda5 54.96 366.54 723.94 1014449 2003616 sdb 54.40 433.22 893.73 1199015 2473546 sdb1 0.01 0.16 0.02 436 42 sdb2 5.31 169.00 169.78 467729 469888 sdb3 0.01 0.31 0.00 865 0 sdb4 0.00 0.00 0.00 10 0 sdb5 49.05 263.65 723.94 729695 2003616 md1 29.96 364.39 166.68 1008498 461312 md4 124.15 630.07 713.28 1743822 1974112 md3 0.05 0.43 0.00 1192 0 md0 0.04 0.32 0.00 872 10 dm-0 7.96 83.29 23.02 230530 63720 dm-1 3.67 51.81 2.73 143394 7560 dm-2 7.63 67.76 27.35 187546 75696 dm-3 8.20 134.60 14.02 372514 38792 dm-4 5.90 10.66 39.35 29498 108912 dm-5 17.39 24.52 121.79 67850 337080 dm-6 27.19 229.60 139.89 635442 387168 dm-7 0.14 1.07 0.28 2970 776 dm-8 25.84 4.23 202.89 11698 561536 dm-9 14.77 8.38 112.35 23202 310960 dm-10 5.29 12.78 29.55 35376 81784 dm-11 0.16 1.25 0.05 3450 128 the server runs lvm in the md4

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• How to detect brute force in mod-security

  - by Wingless-Archangel

  I checked the core rules set in the mod-security but it's didn't contain the rules related to Brute-Force Attack!!! Did anyone know how to write the rules or the existing rules for this kind of Attack! Thanks in advanced,

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• OSX 10.6.6 SSH md5 break-in check

  - by Alex

  Information Recently one of the linux servers that I access was compromised to steal passwords and ssh keys using a modified ssh binary. This lead me to question if the attacker had compromised my OSX Laptop which had ssh access turned on. A sophos virus scan turned up nothing, and I did not have rkhunter installed before the attack, so I could not compare hashes of the system binaries to be sure. However because OSX is relatively standard for each of their major releases, I asked fiends for md5 hashes md5 /usr/bin/ssh and md5 /usr/sbin/sshd as a basic first check to see if there was anything different about my machine. A few emails later I have found the following data: Version (Arch) [N] MD5 (/usr/bin/ssh) MD5 (/usr/sbin/sshd) OSX 10.5.8 (PPC) [3] 1e9fd483eef23464ec61c815f7984d61 9d32a36294565368728c18de466e69f1 OSX 10.5.8 (intel) [5] 1e9fd483eef23464ec61c815f7984d61 9d32a36294565368728c18de466e69f1 OSX 10.6.x (intel) [7] 591fbe723011c17b6ce41c537353b059 e781fad4fc86cf652f6df22106e0bf0e OSX 10.6.x (intel) [4] 58be068ad5e575c303ec348a1c71d48b 33dafd419194b04a558c8404b484f650 Mine 10.6.6 (intel) df344cc00a294c91230c65e8b7332a79 b5094ccf4cd074aaf573d4f5df75906a where N is the number of machines with with that MD5, and the last row is my laptop. The sample is relatively heterogeneous spaning a few years of different makes and models of Apples, and different versions of 10.6.x. The different hash for my system made me worried that these binaries might have been compromised. So I made sure that my backup for the week was good, and dived into formatting my system and reinstalling OSX. After reinstalling OSX from the manufacturer DVD, I found that the MD5 hash did not change for either ssh, or sshd. Goal Make sure that my system is does not have any malicious software. Should I be worried that this base install of OSX (with no other software installed) has been compromised? I have also updated my system to 10.6.6 and found no change as well. Other Information I am not sure if this is helpful information, but my laptop is a i7 15 inch MacBook Pro bought in Nov 2010, and here is some output from system_profiler: System Software Overview: System Version: Mac OS X 10.6.6 (10J567) Kernel Version: Darwin 10.6.0 64-bit Kernel and Extensions: No Time since boot: 1:37 Hardware: Hardware Overview: Model Name: MacBook Model Identifier: MacBook6,2 Processor Name: Intel Core i7 Processor Speed: 2.66 GHz Number Of Processors: 1 Total Number Of Cores: 2 L2 Cache (per core): 256 KB L3 Cache: 4 MB Memory: 4 GB Processor Interconnect Speed: 4.8 GT/s Boot ROM Version: MBP61.0057.B0C SMC Version (system): 1.58f16 Sudden Motion Sensor: State: Enabled On the laptop, I find: $ codesign -vvv /usr/bin/ssh /usr/bin/ssh: valid on disk /usr/bin/ssh: satisfies its Designated Requirement $ codesign -vvv /usr/sbin/sshd /usr/sbin/sshd: valid on disk /usr/sbin/sshd: satisfies its Designated Requirement $ ls -la /usr/bin/ssh -rwxr-xr-x 1 root wheel 1001520 Feb 11 2010 /usr/bin/ssh $ ls -la /usr/sbin/sshd -rwxr-xr-x 1 root wheel 1304800 Feb 11 2010 /usr/sbin/sshd $ ls -la /sbin/md5 -r-xr-xr-x 1 root wheel 65232 May 18 2009 /sbin/md5 Update So far I have not gotten an answer about this question, but if you could help by increasing the number of hashes that I can compare against, that would be great. To get hashes, and version numbers, run the following on osx: md5 /usr/bin/ssh md5 /usr/sbin/sshd ssh -V sw_vers

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• MariaDB doesn't upgrade, 2 versions are installed

  - by zahorak

  I have a server running on Debian wheezy with MaraiDB and OwnCloud. Few days ago, I wanted to update the packages because of the OwnCloud updates but something went wrong. Usually in this case I'd probably try to remove and again install the problematic packages, but on a server which is used by different people it doesn't seem like a valid solution anymore. Here you can see my console output: user@server:~$ sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' to correct these. The following packages have unmet dependencies: libmariadbclient18 : Depends: libmysqlclient18 (= 10.0.4+maria-1~wheezy) but 10.0.5+maria-1~wheezy is installed libmysqlclient18 : Depends: libmariadbclient18 (= 10.0.5+maria-1~wheezy) but 10.0.4+maria-1~wheezy is installed mariadb-client-10.0 : Depends: libmariadbclient18 (>= 10.0.5+maria-1~wheezy) but 10.0.4+maria-1~wheezy is installed mariadb-client-core-10.0 : Depends: libmariadbclient18 (>= 10.0.5+maria-1~wheezy) but 10.0.4+maria-1~wheezy is installed mariadb-server : Depends: mariadb-server-10.0 (= 10.0.5+maria-1~wheezy) but 10.0.4+maria-1~wheezy is installed mariadb-server-core-10.0 : Depends: libmariadbclient18 (>= 10.0.5+maria-1~wheezy) but 10.0.4+maria-1~wheezy is installed E: Unmet dependencies. Try using -f. user@server:~$ sudo apt-get upgrade -f Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following packages will be upgraded: libmariadbclient18 mariadb-server-10.0 owncloud 3 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. 7 not fully installed or removed. Need to get 0 B/37.2 MB of archives. After this operation, 3,565 kB of additional disk space will be used. Do you want to continue [Y/n]? Y Preconfiguring packages ... (Reading database ... 35901 files and directories currently installed.) Preparing to replace libmariadbclient18 10.0.4+maria-1~wheezy (using .../libmariadbclient18_10.0.5+maria-1~wheezy_amd64.deb) ... Unpacking replacement libmariadbclient18 ... dpkg: error processing /var/cache/apt/archives/libmariadbclient18_10.0.5+maria-1~wheezy_amd64.deb (--unpack): trying to overwrite '/usr/lib/mysql/plugin/dialog.so', which is also in package mariadb-server-10.0 10.0.4+maria-1~wheezy Errors were encountered while processing: /var/cache/apt/archives/libmariadbclient18_10.0.5+maria-1~wheezy_amd64.deb E: Sub-process /usr/bin/dpkg returned an error code (1) I tried removing the 10.0.4 package version of libmariadbclient18 but I wasn't really successful in doing that. So my last hope is here, do you have any ideas how exactly I could fix this issue? Thx very much

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• How do I limit the CPU share of TrustedInstaller.exe on a Vista system

  - by Dan Neely

  I'm trying to fix a few low end single core desktops running Vista. In normal use they're fast enough not to be a problem. The issue is that because these machines are only on when being used, primarily for school work, windowsupdate begins installing patches it launches TrustedInstaller which in turn hogs 100% of the CPU and renders the machines all but unusable for however long it takes to patch them.

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• 50um vs. 62.5um fiber compatability

  - by murisonc

  I've heard that there are compatibility problems when using 50um fiber with some fiber converters. After some research I'm thinking this is a legacy issue when using slower devices (100 Base FX) that used LEDs. I was told that the fiber converters are made for a certain size of fiber core and wont work with 50um fiber. Am I right in thinking this is just a corporate knowledge thing that is outdated when using 1000 Base SX converters (which should be using lasers instead of LEDs)?

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• Problems with freetype on OSX 10.7.4

  - by eythor

  I'm trying to install mplayer with OSD using homebrew. I've added both --enable-menu and --with-freetype-config=/usr/local/Cellar/freetype/2.4.10/freetype-config to the brew recipe. ==> Downloading http://www.mplayerhq.hu/MPlayer/releases/MPlayer-1.1.tar.xz Already downloaded: /Library/Caches/Homebrew/mplayer-1.1.tar.xz xz -dc "/Library/Caches/Homebrew/mplayer-1.1.tar.xz" | /usr/bin/tar xf - ==> ./configure --prefix=/usr/local/Cellar/mplayer/1.1 --cc=cc --host-cc=cc --disable-cdparanoia --disable-libopenjpeg --enable-menu --disable-x11 -- with-freetype-config=/usr/local/Cellar/freetype/2.4.10/freetype-config ./configure --prefix=/usr/local/Cellar/mplayer/1.1 --cc=cc --host-cc=cc --disable-cdparanoia --disable-libopenjpeg --enable-menu --disable-x11 --with -freetype-config=/usr/local/Cellar/freetype/2.4.10/freetype-config Checking for cc version ... clang 4.2.1 (experimental support only) Checking for working compiler ... yes Detected operating system: Darwin Detected host architecture: x86_64 Checking for cross compilation ... no Checking for host cc ... cc Checking for CPU vendor ... GenuineIntel (6:15:10) Checking for CPU type ... Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz For freetype-config I've tried three seperate paths; /usr/X11R6/bin/freetype-config, /usr/X11/bin/freetype-config and the one in Cellar. Checking for freetype always fails: Checking for freetype >= 2.0.9 ... no Checking for fontconfig ... no (FreeType support needed) Although freetype itself seems to be installed. mufasa:bin eythor$ freetype-config --version 15.0.9 mufasa:bin eythor$ freetype-config --ftversion 2.4.10 mufasa:bin eythor$ freetype-config --libs -L/usr/local/Cellar/freetype/2.4.10/lib -lfreetype -lz -lbz2 mufasa:bin eythor$ freetype-config --cflags -I/usr/local/Cellar/freetype/2.4.10/include/freetype2 - I/usr/local/Cellar/freetype/2.4.10/include I'm not sure what to try next or how to figure out why freetype isn't recognized. Can anyone point me in a sensible direction?

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