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• Does Wireshark pose a threat when installed on a server in the DMZ?

  - by G33kKahuna

  If you install wireshark on a web server sitting in the DMZ, is there a hack that can be used to get backdoor entrace to that server even when RDP is disblaed? I'm trying to monitor the wire on the DMZ web server but getting pushback from the DMZ team that it opens up a back door hack without a lot of details

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• NetBios Name Service requests

  - by Austin Salonen

  I'm noticing on MS Network Monitor a ton of NetBios Name Service broadcasts coming from a particular workstation. When I run netmon on that desktop it cannot resolve the application producing them (but does log them). First question, is this bad? Next question, what could be causing this so we can either move it to a server or stop it entirely?

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• multi-screen switcher

  - by João Melo

  I have a windows 7 machine with vmware and 2 monitors. The first one, with vmware on fullscreen, and the second one as the main screen with windows 7 with the browser and some applications, is there any way to toggle the screens configuration with a hotkey so it switches the main screen to the left and all applications accordingly (Vmware on full screen on the right monitor, and all applications on the left)

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• (monit) What does failure "Changed" mean

  - by bresc

  Hi, I installed monit on my server and tried to monitor nginx. check process nginx with pidfile /var/run/nginx.pid start program = "/etc/init.d/nginx start" stop program = "/etc/init.d/nginx stop" group server And I get Process 'nginx' status Changed monitoring status monitored data collected Wed Mar 24 00:37:49 2010 What does "Changed" mean? I couldn't find anything. Thx

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• Linux CPU Hog report

  - by bmaynard

  I am wondering if there is a tool that will monitor all the process and send a daily report of which process where hogging resources per hour or something similar? What I am after is when I see my cpu go up at certain times of the day, I want to know which processes where using the resources at that time.

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• PC don't start the and no beeps from BIOS on power on

  - by doug

  Hi there A friend just brought me hi's PC because it doesn't start. I have no bios beeps, no screen activation. The monitor stays blank and nothing is on the display. Does anyone knows how can we fix this? Any ideas? Thank you!

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• SNMP HOSTMIB.MIB not loading?

  - by user11860

  Forgive me if the answer is something glaringly obvious but I just can't seem to get access to any OIDs under the HOST branch in SNMP. I've used an SNMP browser to inspect a few of my systems and none of them show a HOST branch under ISO.ORG.DOD.INTERNET.MGMT.MIB-2. Any thoughts as to why? I'm looking to monitor a few computer's hardware resources via SNMP and unfortuantely all such OIDs live under the missing HOST branch, Any thoughts?

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• Avoid Windows Explorer to load complete executable file

  - by eli.work

  On Windows Vista, when browsing to a network folder containing executables, Windows Explorer seems to load all the files completely just to be able to show the executable icon (the resource monitor indicates loads of traffic during the loading of the directory) On XP only a part of the file is loaded. Is there a way to avoid the complete loading of these files? Note that disabling my anti virus does not help.

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• How does Ubuntu keep track of the "System restart required" flag in motd?

  - by Anders Lindahl

  I have a few Ubuntu servers (8.10, 9.10) that is set to automatically install security updates. Some times these updates requires a restart of the system, and this string is shown in motd: *** System restart required *** To get a notice about these, I plan to write a Nagios test to monitor if the server is in need of a reboot. So, my question: Is there a better way than parsing /etc/motd to find out if a reboot is needed?

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• iTunes video black screen until select computer output

  - by Daniel Huckstep

  I don't remember this happening before, but now whenever I play any video in iTunes (podcast video, movie, TV show, iTunes extras stuff but the menus work) it just shows a black screen with the sound playing. If I stop it, select "Computer" in the little output control on the iTunes video control panel that pops up, then play again, it works fine. What the heck? Tried rebooting, updating, with and without external monitor. OSX 10.6.6

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• what NAS cellera services to be monitered?

  - by wildchild

  We have a monitoring tool called SCOM which mainly monitors different OS related services .However, we being part of storage team would also like some of our services to be monitored. We have HP NAS , and I am wondering what all services I can ask the other team to monitor for us and alert us if something goes wrong. The same goes with celerra and centera what important services can be monitored .I did search but to no avail.I ‘m not finding any of the useful services..Any help in this regard is greatly appreaciated thanks!

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• Ubuntu on VIrtualBox can only show resolution of 800 x 600 -- how to change it?

  - by Jian Lin

  My monitor is 1920 x 1200 and the computer is running Windows 7. Using VirtualBox and Ubuntu 10.04, the screen of the Ubuntu can only be 800 x 600 or 640 x 480. Is there a way to change that. I resized the VirtualBox window and Ubuntu still thinks the max is 800 x 600.

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• Ubuntu on VirtualBox can only show resolution of 800x600 - how to change it? [closed]

  - by Jian Lin

  My monitor is 1920 x 1200 and the computer is running Windows 7. Using VirtualBox and Ubuntu 10.04, the screen of the Ubuntu can only be 800 x 600 or 640 x 480. Is there a way to change that. I resized the VirtualBox window and Ubuntu still thinks the max is 800 x 600.

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• Configure APC for maximum hit rate

  - by Steven De Groote

  I'm currently running php5 with APC, the latter with default configuration. However after setting up munin to monitor APC, I'm surprised by the results: apc.shm_size: 30 apc.gc_ttl: 3600 apc.ttl: 0 Used: 14MB Request rate: 100 requests/second Fragmentation: 0 Hit ratio: 80% (dropping to 0 a few times per hour) So the obvious question: how can I adapt the configuration to achieve a higher hitrate. I find it very strange that the available memory is not fully used which the hitratio is still below what I would expect. Thank for any hints!

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• Top - what does Virtual memory size mean? ...linux/ubuntu

  - by user42159

  I am running Top to monitor my server performance and 2 of my java processes show virtual memory of upto 800MB-1GB. Is that a bad thing? What does virtual memory mean? And oh btw, I have swap of 1GB and it shoes 0% used. So I am confused. Java process = 1 Tomcat server + my own java deamon Server = Ubuntu 9.10 (karmic)

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• Automatically run a command every time a file is changed

  - by ehsanul

  Each time I make some changes to a file and save, I'd like a command to run. I can set up a Ruby script that could monitor the file and run the command as I'd like, but it occurs to me that there should be some simple Unix way to do this. Is there?

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• Ubuntu on VirtualBox can only show resolution of 800x600 - how to change it?

  - by Jian Lin

  My monitor is 1920 x 1200 and the computer is running Windows 7. Using VirtualBox and Ubuntu 10.04, the screen of the Ubuntu can only be 800 x 600 or 640 x 480. Is there a way to change that. I resized the VirtualBox window and Ubuntu still thinks the max is 800 x 600.

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• UNIX tool to dump a selection of HTML?

  - by jldugger

  I'm looking to monitor changes on websites and my current approach is being defeated by a rotating top banner. Is there a UNIX tool that takes a selection parameter (id attribute or XPath), reads HTML from stdin and prints to stdout the subtree based on the selection? For example, given an html document I want to filter out everything but the subtree of the element with id="content". Basically, I'm looking for the simplest HTML/XML equivalent to grep.

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• How to move windows that open up offscreen?

  - by Matthew Scharley

  I have a dual monitor setup, and I recently played around with the positioning settings, and some of my single window applications do the favour of preserving where they were last closed, and opening in the same position later. Unfortuanately, that now places them out of the viewable area of my screens! Is there some way to force a particular window into the viewable area? If it matters at all, this is on Windows XP 32b.

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• Problem with Ubuntu 10.04 and ATI

  - by Maximilinao

  I'm having a problem installing the drivers from the video card. Just finished installing the driver, reboot my OS, and my monitor is starting off in energy saving mode and does not boot Ubuntu. What I can do? Sorry for my English. I used the Google translator.

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• On Linux, can I get 3D acceleration with a Nvidia card w/o X?

  - by anon

  I like Linux. I like OpenGL. I don't like X. On Linux, is there anyway to get 3D acceleration from my Nvidia card without X? Ideally, I'd have the kernel boot, get to a console, then somehow get into a "graphics mode", where my entire monitor is just a single OpenGL screen ... and I draw stuff to it with OpenGL. Without X. Is this possible? Thanks!

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• Is there a good tool for monitoring network activity on OS X?

  - by xentek

  Is there a good bit of software on OSX that I can use to monitor incoming and outgoing network activity? Nothing too geeky, just want something simple to use. I'm on snow leopard if that helps.

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• Nagios - How to display specific monitors for a specific user/contactgroup while these monitors will also be displayed to the Admin team?

  - by Itai Ganot

  I have a Nagios server which monitors many servers, a number of the servers is used for QA matters. I'd like to allow the QA team access to the Nagios UI and i want them to be able to view only monitors which are related to their work. More than that, these servers which i want the QA team to monitor should be displayed for the admins group as well (as it is configured at the moment) in addition to the QA team. Is that doable?

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• Monitoring VPN users on my network

  - by Fen0x

  My company runs filters on contents available for browsing and I have to check if everyone is respecting the browsing policies. Recently I have spotted some users activate OpenVPN on their workstations and i have discovered that they connect on port 443 of an external server and then use a proxy to circumvent the company filters. Is there any method to monitor VPN connections on allowed ports or to avoid the connections?

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• Windows 7 freezing after returning from idle.

  - by myname

  If i return to my windows 7 x64 computer after it has been idle for a couple of minutes it will respond for 3 seconds and after that everything freezes for around 5-30 seconds and then the computer starts working normally again. The freezing time varies and some times it even get stuck there forever requiring a hard reboot. This is very annoying as you can imagine, it's almost as slow as resuming from hibernation every time you left it idle enough to turn off the monitor.

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