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• Does WD Drive Lock encrypt the data?

  - by ssg

  I wonder if WD Drive Lock ineed encrypts the data on a Western Digital My Book Essential device or just puts a firmware-level password on the device. If it's just a password the data surely could be retrieved by a third party. I could not find anything on about that on user manuals. I found a blog saying "data is secured with AES256" bla bla but that doesn't say anything about if the password could be compromised or not. Because I don't see any delays when I add/remove the password. On the other hand when I enable BitLocker, it takes hours before it encrypts everything with my password.

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• Connecting OS X MacBook Pro to DirecTV DVR

  - by user14293

  I have a DirecTV DVR which soon will be replaced. The local phone carrier has wired fiber-to-the-door and that DirecTV sat service will soon be history. I have irreplaceable video recordings on the DVR's disk I would like to salvage. I'd like to connect my MacBook Pro (OS X 10.5.3) to the DVR (male HDMI to male Thunderbolt) and treat the MAC as a TV monitor. I'd like to capture the video stream to a file and then burn it to DVD. This is for my use only, not for distribution. Still researching video capture. Don't yet have a solution. Maybe there isn't one. Any ideas?

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• Reducing the time between checks on a Nagios server

  - by Farooq Hussain

  Can anyone let me know how I would reduce time between Last Check Time and Next Scheduled Check on a particular service. I have a very critical task to monitor and the time between checks is currently 5 minutes, which is too long for this service. Can I reduce that time? I need this to be 1 minute or even 30 seconds. I want Nagios to check this service every 30 seconds. I currently have defined the service as follows: define service{ use local-service host_name OpenSIP,test-RTSIP service_description SIP Registration check_command check_nrpe!check_sipreg check_freshness 0 freshness_threshold 900 active_checks_enabled 1 passive_checks_enabled 1 }

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• SPF include: too many IP addresses

  - by sprezzatura

  I've hit a snag with SPF. The SPF record for my domain will contain four or five entries, plus it will contain: include:sgizmo.com The SPF record for sgizmo.com contains eleven entries! This, plus mine, is way over the maximum ten allowed by the RFC (and probably by most servers). I realize that there has to be a limit in order to prevent DoS attacks. However, in the real world, it is probably not unreasonable for large companies to have many server addresses. Furthermore, must I know monitor my 'include:' counterparts for changes and additions? Must I check weekly, daily, to insure that some combination of changes doesn't suddenly put me over the top? It doesn't seem to me that SPF is suitable for prime time. Is there another way to do this?

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• bad ram or bad motherboard

  - by user39508

  I have a computer which crashes after about 5-45 seconds of operation. It can run memtest86+, and it doesn't display any errors, but it doesn't prevent it from crashing within the time frame listed above. The heat sink appears to be installed correctly, and I don't think it is related to overheating. The motherboard is connected to the ram and a monitor, nothing else is installed. The processor is an atom 330, running memtest86+ 4.0. Any insight into if the ram is bad or if it is the motherboard/psu/cpu? Thanks!

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• configure Heartbeat on Centos Linux - error message

  - by Elad Dotan

  I installed Heartbeat on my Centos Linux and it seems to partially work..but I'm trying to monitor a service with no success. only when I reboot the main server the backup server takes over. in the logs I get : heartbeat[30476]: 2012/03/20_18:51:57 WARN: string2msg_ll: node [node1] failed authentication heartbeat[30476]: 2012/03/20_18:51:58 WARN: string2msg_ll: node [node02] failed authentication the authkeys is identical (copied from one to another). this is my ha.cf: logfile /var/log/ha-log logfacility local0 keepalive 2 deadtime 30 initdead 120 bcast eth0 udpport 694 auto_failback on node server01.com node server02.com haresources : server01.com 38.108.117.3 aim chat any idea how to fix the problem so if a service stops the other server take over Thanks! E.

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• Nginx Rate Limiting by Referrer?

  - by SteveEdson

  I've successfully set up rate limiting on IP addresses like so, limit_req_zone $binary_remote_addr zone=one:10m rate=1r/s; But I was wondering if its possible to do the same on referrers? For example, if a site gets placed in an iframe on a third party site, which generates too much traffic to handle. I can't find any nginx variables for the referrer anywhere. Is this possible? Or can the solution be achieved in a different way? Thanks.

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• Compaq nc4200 screen cutting out and keyboard lagging after dropping - could I repair this?

  - by Holly Gray

  I have a HP Compaq nc4200 laptop. I got it from a family member who no longer needed it, who got it from a sale of old office equipment, so it's at the very least third-hand, and somewhat battered. Today, I dropped it. It seemed unharmed at first, but the screen cuts out every few minutes (sometimes seconds), then fades back. Keyboard input also occasionally starts lagging, as does the mouse. It might be a coincidence, but, oddly, it seems as if, when the screen cuts out, it comes back sooner if I use the trackpad. Is this something that I could fix? What might be causing it?

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• How do I compare binary files in Linux?

  - by frustratedCmpNoLongerUser

  I need to compare two binary files and get the output in the form <fileoffset-hex <file1-byte-hex <file2-byte-hex for every different byte. So if file1.bin is 00 90 00 11 in binary form and file2.bin is 00 91 00 10 I want to get something like 00000001 90 91 00000003 11 10 What is the easiest way to accomplish the goal? Standard tool? Some third-party tool? (Note: cmp -l should be killed with fire, it uses a decimal system for offsets and octal for bytes.)

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• Bit of python help

  - by user42780

  I've tried to get this to work, but it just freezes. It should display a pyramid, but all it does is.. halts. from graphics import * valid_colours = ['red', 'blue', 'yellow', 'green'] colour = ['', '', ''] while True: colour[0] = raw_input("Enter your first colour: ") colour[1] = raw_input("Enter your second colour: ") colour[2] = raw_input("Enter your third colour: ") if ((colour[0] and colour[1] and colour[2]) in valid_colours): break while True: width = raw_input("Enter a width between 2-7: ") if width.isdigit(): if (int(width) <= 7 and int(width) >= 2): break width = int(width) win = GraphWin("My Mini Project ", 1000, 1000) # 1000 \ 20 = 50 win.setCoords(0 , 0 , 20, 20) p1 = [0, 2] while width > 0: p = [1, 3] loopWidth = 0 while loopWidth < width: loopWidth = loopWidth + 1 c = 0 while c <= 10: c = c + 1 if c % 2: colour = "white" else: colour = "red" rectangle = Rectangle(Point(p[0],p1[0]), Point(p[1], p1[1])) rectangle.setFill(colour) rectangle.setOutline("black") rectangle.draw(win) p[0] = p[0] + 0.2 p1[0] = p1[0] + 0.2 p[0] = p[0] - 2 p1[0] = p1[0] - 2 p[0] = p[0] + 2 p[1] = p[1] + 2 width = width - 1 p1[0] = p1[0] + 2 p1[1] = p1[1] + 2

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• Computer Won't Boot After New Power Supply

  - by Haxelgem

  I recently bought a Rosewill 750-M PSU to replace an Antec Earthwatts 500. My computer worked fine before making the switch. After installing the Rosewill PSU, I attempted to boot. Fans spun up for a second, then turned off. After a second, they spun up again and stayed on. However, I had no video output. I put the old Antec PSU back in, and still had the same problem. I put another GPU in the computer, trying both PSUs, and still nothing. I switched out the monitor also, which didn't work. What should I do?

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• Too many processes?

  - by Mophily

  VMware Fusion v3.0.1 One vm for Windows XP, converted and recently expanded the disk size. Mac OS X 10.5.8, 2 x 3 GHz dual-core intel xeon machine. Immediately after booting, and before VMware Fusion is launched, the Activity Monitor shows eight processes associated with "vm". What caught my eye is the duplicates: netifup and dhcpd. I noticed this while trying to re-establish network connectivity after the upgrade to 3.0.1. I am not sure when the network connection was clobbered, so I cannot say it happend during the upgrade. Is eight processes typcial? I expect about six, as listed in other notes and documents on the web site. Could this be related to the failure to connect to the network?

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• Best PerfCounters for monitoring system health of IIS, WCF, WWF and .Net for a Workflow based soluti

  - by Gineer

  We have a solution built in .Net that will be installed into a client environment. The solution will span multiple servers and be running on multiple tiers. The client makes us of MOM (Microsoft operations Manager) to monitor the system. What are the best counters to use for monitoring the overall health of the system? Are there any built in counters that we could add into a MOM Pack (as an Alert) to test a given scenario? Any thoughts suggestions would be much apreciated. Thanks

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• upgrading my computer system for office use

  - by denise ellul

  Presently I have the under-mentioned computer system. What should be changed and upgraded with the following products that I own presently? I am interested in performance issues related to cache memory, bus speed, RAM, CAS latency as well as other considerations. Thanks for your help. Processor (CPU): Intel Celeron Dual Core E3300 2.5 GHz Motherboard: Asus P5QPL-AM G41 Main Memory (RAM): 2 GB Team Elite DDR2 PC8000 Case: Coolermaster RC330 Power Supply Unit: 500W EZ-Cool Standard Storage Device (Hard Drive): 500GB Samsung Video Card: Intel GMA X4500 (On-board) Optical Drive: LG GH22NS50 Sound Card: AC 97 (On – board) Card Reader: Akasa Black TFT Monitor: 19” View Sonic Speakers: Logitech S120 2.0

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• What does "cpuid level" mean?

  - by ogzylz

  For an example, I put just output from 1 core of a 16 core machine. What does the output mean by "cpuid level" of "6"? Also, what do "bogomips" of "5992.10" and "clflush size" of "64" mean? processor : 0 vendor_id : GenuineIntel cpu family : 15 model : 6 model name : Intel(R) Xeon(TM) CPU 3.00GHz stepping : 8 cpu MHz : 2992.689 cache size : 4096 KB physical id : 0 siblings : 4 core id : 0 cpu cores : 2 fpu : yes fpu_exception: yes cpuid level : 6 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl vmx cid cx16 xtpr lahf_lm bogomips : 5992.10 clflush size : 64 cache_alignment: 128 address sizes: 40 bits physical, 48 bits virtual power management:

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• notebook display problem

  - by kpower

  I have RoverScan Voyager notebook. It worked good for a few months. But some day I turned it on and saw that it displays badly. I mean, picture that should be displayed by monitor is copied six times and displayed on screen (6 same small pictures, not crossed each other). And the picture itself is bad - it displayed as interchange of vertical lines (it's really hard to see real picture or distinguish some details on it - it is distorted badly). Can you suppose, what's the reason? And what can I do to solve the problem?

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• Monitoring over Time with Nagios: How?

  - by David

  Nagios in its standard usage monitors with point-in-time checks: either something is - or is not - true. Other tools like SGI's PCP, HP's MeasureWare, and SEC provide monitoring over time - monitoring things like average disk access time over the last five minutes, or other similar items. Is there anything like this for Nagios? I'm already running NDOUtils, which seems like a natural source for such data. I'd like to have something that would monitor and fire off alarms based on a time-based check using historical data. Is there anything like this for Nagios?

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• SNMP keeps crashing

  - by jldugger

  We're using OpsView/Nagios to monitor our servers. We've added the SNMP service to all our servers and deployed the configuration via GPO, but one win2k3 server seems to have a problem; it crashes pretty regularly. The event log carries messages like: Event Type: Error Event Source: Service Control Manager Event Category: None Event ID: 7034 Date: 6/11/2009 Time: 7:11:49 PM User: N/A Computer: HOSTNNAME Description: The SNMP Service service terminated unexpectedly. It has done this 2 time(s). and also Event Type: Error Event Source: Application Error Event Category: (100) Event ID: 1000 Date: 6/11/2009 Time: 7:11:18 PM User: N/A Computer: HOSTNAME Description: Faulting application snmp.exe, version 5.2.3790.3959, faulting module ntdll.dll, version 5.2.3790.3959, fault address 0x000417af. Now, I could probably set it to simply restart on crash in perpetuity, but I think it's better to fix problems like this. Is this a known problem? If not, what should I do to diagnose it?

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• How do multiple displays work on a AMD 785G / ATI HD 4200 motherboard?

  - by aireq

  I just ordered a ASUS M4A785TD-V EVO which has the AMD 785G chipset and HD4200 integrated graphic. The board has VGA, DVI, and HDMI outputs. I'm wondering how many outputs I can run at once, and from what connectors? My guess is that I can only use the VGA, and either the DVI or the HDMI in a dual setup. But not the HDMI and the DVI at the same time. Is this correct? If I have devices plugged into both the HDMI and the DVI ports is there a way to choose between which port I want to use? I have a dual 19" monitor setup, as well as a LCD TV. I'd like to run the VGA and the DVI into my two monitors, and then the HDMI to my TV. Then when I want to watch something on the TV I'd like to be able to switch over from the DVI to the HDMI. Is this possible with out crawling under my desk and unplugging/plugging things in?

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• Dell 620 display is too bright to use

  - by keith

  I have a Dell D620 with a display problem. In windows 7 the display seems to be too bright, the text is broken up, the only way to see the mouse is at a very oblique angle. Changing the brightness with fn and brightness control has little/no effect. When I put it in high contrast mode I can see all the colors, but any windows pictures etc are still useless. I cannot get it to connect to an external monitor via VGA port or via a USB-VGA connector.

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• Monitoring Dell/HP Servers Running ESXi (Free)

  - by Untalented

  What are you all doing to monitor ESXi servers that run the free edition? With the lack of SNMP support, it seems fairly limited to me. What'd I'd like to be able to do is get some type of alert when a drive or other hardware fails. I've seen a few articles on getting OpenManage installed on an ESXi box (to rebuild an array), but it seems to be quite a pain as well. Even if I get OpenManage working, I won't have alerts without SNMP. Any comments, input, or guidance would be greatly appreciated.

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• How to crop black bars or zoom on Youtube and other Video websites?

  - by cloneman

  Many desktop software (VLC, MPC) and have an option to 'zoom in' , 'crop black bars', or crop to a specific aspect ratio. How can we do this in Fullscreen on Youtube or other flash Video sites? I am the viewer, NOT the video's creator/publisher. iOS Can do this (double tap to zoom, which removes black bars, zoom depth not configurable). afaik, Desktop computers (and android devices), cannot do this on the fly. The only 'workaround' I've found is F11 and zooming of the entire web page - basically a fake full screen and zooming the web page beyond the screen size. Use Case: watching 4:3 flash videos from the web on a widescreen monitor. Looking for all creative solutions, including any software that accesses YouTube without using a web browser.

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• Exchange Server 2007 Transport Errors -- SMTP Session Hangs

  - by devviedev

  Hello, I was doing some changes to the server (writing an Transport Agent). After trying to install it, I started to get some errors. Now, when connecting to the SMTP server the session hangs just after finishing the DATA section. I'm not sure what happened, I disabled my transport agent and uninstalled it, then restarted the server. The problem persists. In the Event Viewer, four of the same errors show up: Source: FSCTransportScanner Category: Scan Error Event ID: 5021 Description: Unable to retrieve internet monitor interface. What could have happened?

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• Which home automation technology to choose? x10 zwave e.t.c. in UK [closed]

  - by Stewart Robinson

  I work away most of the week and have to leave my house empty. I would like to have home automation monitor and control my house. Naturally I want to be a bit of a geek and do some of it myself so I've researched stuff like x10, zwave, cbus e.t.c. but I want opinions on which I should use in my house. I have a Linux box that could be used to actually do controlling if needed. So which technology and why?

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• Screen tearing with GeForce 550 Ti

  - by Konair0s

  Recently I switched to the new monitor and graphic card - DELL U2312HM and GeForce GTX 550 Ti. I have problems with screen tearing (like in this picture from Wikipedia). Usually it is somewhere in upper part of the screen. Mainly happens in videos (in flash videos tearing heavier). In games all fine, except in-game videos (sometimes even videos built on game engine), but gameplay itself is clear, even in very fast actions. Connection with DVI. Problems both in Linux (Debian GNU/Linux, openSUSE 12.1, Linux Mint 13) and Windows (Windows XP, Windows 7), with various driver versions. 1920x1080, 60Mhz. How can I resolve this?

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