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  • zabbix monitoring mysql database

    - by krisdigitx
    I have a server running multiple instances of mysql and also has the zabbix-agent running. In zabbix_agentd.conf i have specified: UserParameter=multi.mysql[*],mysqladmin --socket=$1 -uzabbixagent extended-status 2>/dev/null | awk '/ $3 /{print $$4}' where $1 is the socket instance. From the zabbix server i can run the test successfully. zabbix_get -s ip_of_server -k multi.mysql[/var/lib/mysql/mysql2.sock] and it returns all the values However the zabbix item/trigger does not generate the graphs, I have created a MACRO for $1 which is the socket location {$MYSQL_SOCKET1} = '/var/lib/mysql/mysql2.sock' and i use this key in items to poll the value multi.mysql[{$MYSQL_SOCKET1},Bytes_sent] LOGS: this is what i get on the logs: 3360:20120214:144716.278 item [multi.mysql['/var/lib/mysql/mysql2.sock',Bytes_received]] error: Special characters '\'"`*?[]{}~$!&;()<>|#@' are not allowed in the parameters 3360:20120214:144716.372 item [multi.mysql['/var/lib/mysql/mysql2.sock',Bytes_sent]] error: Special characters '\'"`*?[]{}~$!&;()<>|#@' are not allowed in the parameters Any ideas where the problem could be? FIXED {$MYSQL_SOCKET1} = /var/lib/mysql/mysql2.sock i removed the single quotes from the line and it worked...

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  • Tor Browser: how do I restart just the browser?

    - by GDR
    I'm using Tor Browser on Linux from time to time, but I close the browser because it has high memory usage, and leave Vidala running in background to help the network and relay traffic. The problem is, when I want to use Tor Browser again, I have to shut down Vidala and start it again. This takes time and has negative effect on the network. When I execute ./App/Firefox/firefox-bin, the browser starts but says it's not connected via Tor network. Any ideas how to start tor browser and make it connect to existing Vidala instance?

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  • Grepping grep output fails

    - by viraptor
    I'm trying to grep the output of ngrep. Unfortunately when I add another grep to the pipeline, I get no output at all. It can be some other command too - cat / grep / tee - everything breaks the chain. Example: # this works: $ ngrep -l -q -T -Wbyline -d any udp and port 5060 | egrep -B1 '^SIP/2.0 180' -- U +1.469535 xxx:5060 -> xxx:5060 SIP/2.0 180 Ringing. -- U +0.001384 xxx:5060 -> xxx:2048 SIP/2.0 180 Ringing. but #these don't: $ ngrep -l -q -T -Wbyline -d any udp and port 5060 | egrep -B1 '^SIP/2.0 180' | egrep '^U' $ ngrep -l -q -T -Wbyline -d any udp and port 5060 | egrep -B1 '^SIP/2.0 180' | cat $ ngrep -l -q -T -Wbyline -d any udp and port 5060 | egrep -B1 '^SIP/2.0 180' | tee test If I use cat somefile instead of ngrep at the start, everything works as expected. Any ideas what could go wrong here?

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  • basic picture editing software for Mac OS X

    - by George2
    I am using a MacBook Pro running Mac OS X 10.5. I am new to this development environment, and previously worked on Windows. I want to do very basic image editing, like cut a portion of an image, add some text label to the image, circle some part of the image, etc. I am downloading acornfree from this Url, but when executing acornfree, it said the Mac OS I am using is not supported. Any ideas how to fix this issue or any other free image editing software to recommend (and could be used for my specific Mac OS platform)? http://flyingmeat.com/acorn/acornfree.html Thanks in advance

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  • Stable MSN messenger for mac?

    - by Console
    I use Adium in my mac as a client for MSN messenger. (I have also tried the "official" live messenger for mac for a while but it had even worse issues than what I am experiencing with Adium). Everything works fine for the first 5-10 minutes, perhaps until the first automatic "away", then suddenly any message I send is followed by a dozen or so messages saying: "Message could not be sent because a connection error occurred:" and Message may have not been sent because a timeout occurred: If I send a few messages, they usually eventually arrive (all at once) after a long delay. Windows machines on the same network running live messenger work fine. Any ideas why this might be, or suggestions for a client that might work when both Adium and Microsofts own messenger for mac seem to disconnect?

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  • How do you engineers keep your place clean?

    - by 280Z28
    I have a major problem keeping not only my desk, but my entire place clean. I end up spending all of my time behind the keyboard and slowly but surely it all turns to crap everywhere but between my monitors and I. It's causing some major problems IRL and I need to fix it. Question: I'm an engineer, and I eat, sleep, and breathe think like an engineer. Do you have any ideas for engineering a clean place? Note to the messy users out there: Not really interested. I've been messy for ages so I've got that covered. I'm looking for real suggestions from people who actually keep clean, preferably from some who've been in my shoes before.

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  • Implementing Light Volume Front Faces

    - by cubrman
    I recently read an article about light indexed deferred rendering from here: http://code.google.com/p/lightindexed-deferredrender/ It explains its ideas in a clear way, but there was one point that I failed to understand. It in fact is one of the most interesting ones, as it explains how to implement transparency with this approach: Typically when rendering light volumes in deferred rendering, only surfaces that intersect the light volume are marked and lit. This is generally accomplished by a “shadow volume like” technique of rendering back faces – incrementing stencil where depth is greater than – then rendering front faces and only accepting when depth is less than and stencil is not zero. By only rendering front faces where depth is less than, all future lookups by fragments in the forward rendering pass will get all possible lights that could hit the fragment. Can anyone explain how exactly you need to render only front faces? Another question is why do you need the front faces at all? Why can't we simply render all the lights and store the ones that overlap at this pixel in a texture? Does this approach serves as a cut-off plane to discard lights blocked by opaque geometry?

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  • Windows 7 Media Center suddenly Jerky..

    - by Kris Erickson
    Media Center in Windows 7 has been running great for me for the past few months since I switched to Windows 7. I can watch HD content on my Xbox, and I have had very few issues with it (occasionally it has locked up on the Xbox, but restarting the Xbox usually fixes that). All of a sudden it has gotten jerky, SD content playing on my computer (not even streaming to the Xbox) is Jerky. VLC and Windows Media Player play the same content perfectly, it is just when it is playing in Windows Media Center (whether streaming or not). Any ideas what could be the cause of this? And yes I have reboot several times...

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  • Toshiba monitor not displaying anything

    - by MirroredFate
    Alright, so I agreed to fix a friends computer, thinking it was a software problem, not hardware. I was going to use an XP disc and valid code to swap her from Vista to XP, as apparently Vista had some driver issues. I found out, however, that the real problem was her heat sink was completely clogged, causing the computer to overheat and shut down. So, I took the computer apart and cleaned the heat sink. However, after putting it all back together, and turning it on, nothing at all shows up. I plugged in an external monitor, and nothing shows up on that either. I have double, triple, decuply checked all the connections and everything appears to be plugged in, attached, and in the right place. I am out of ideas. So, my question is, does anyone have any clue what is going on, and have suggestions I could try?

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  • Laptop hot after format

    - by Dany Khalife
    I recently formatted an HP G62 Laptop and installed all drivers from the HP site that should be installed for this model. But i noticed a very strange behavior, using Coretemp, the temp is always above 50 (on idle) and reaches 70 very quickly sometimes (Critical is 90) If i open youtube or skype alone, i can get temperatures as high as 83. Normally it was around 32 (on idle) and reaches 70 when i open games but not youtube.... I have a i3 processor and AMD graphics so i am wondering if somehow it's a graphics card issue (since i3 has integrated graphics as far as i know) Device manager shows only AMD graphics card tho, not sure if i3 graphics should appear here too. Any ideas what i might have forgotten to do after the format ?

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  • Laptop hot after format

    - by Dany Khalife
    I recently formatted an HP G62 Laptop and installed all drivers from the HP site that should be installed for this model. But i noticed a very strange behavior, using Coretemp, the temp is always above 50 (on idle) and reaches 70 very quickly sometimes (Critical is 90) If i open youtube or skype alone, i can get temperatures as high as 83. Normally it was around 32 (on idle) and reaches 70 when i open games but not youtube.... I have a i3 processor and AMD graphics so i am wondering if somehow it's a graphics card issue (since i3 has integrated graphics as far as i know) Device manager shows only AMD graphics card tho, not sure if i3 graphics should appear here too. Any ideas what i might have forgotten to do after the format ?

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  • Qmail/Plesk email help

    - by Dotty
    Hay Guys. I'm using plesk with Qmail as an outgoing server. I've never used my plesk setup before to send emails. I usually use my ISP. I'm having a little trouble settng this up. I've created a simple email account, [email protected]. All is well, i setup my POP account in my mail client (apple mail) and i can receive mail. However i can't send any. These are the details im using smtp.mycrazydomain.com standard auth (i've tried SSL and non SSL) username: [email protected] password: mypassword However nothing has happened. Anyone got any ideas?

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  • Google search results are downloaded as a file in Google Chrome

    - by i-g
    I'm behind a proxy at work, and Google Chrome insists on downloading Google search results pages instead of displaying them. Whether I try to search from the address bar, from google.com, or from a third-party site that has a Google search form, what ends up happening is that the search results page ends up as a downloaded file called "search" in my downloads directory. I haven't seen this happen with any other search pages. Yahoo! Search, for example, works fine. Has anyone run into this before and/or has any ideas on how to fix it or what might be causing it? I'd try the Chrome support pages, but they're blocked by the proxy...

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  • #altnetseattle &ndash; MEF, What is it?

    - by GeekAgilistMercenary
    I dived into the MEF session with Glenn Block, Sourabh Mathur, Brian Henderson, and others.  Glenn covered the basic architectural ideas of MEF and then dived into a few examples. Is a framework around decoupling components. Built around the idea of discoverable type systems. Traditional extensibility mechanisms have a host and the respective extensions, commonly linking these two aspects with a form of registration. MEF removes the need for the registration part of the architecture and uses a contract. At some point with MEF you get down to parts, which removes even the complexity of a host or extensions, but a truly evolvable architecture based on natural growth of parts. Also referred to as the framework that removes the "new" keyword. The idea is that parts pull together other parts that they need.  Between each part is a contract. Each part has imports or exports for the parts it needs or the things it offers. If one checks out the MEF Codeplex Site you will find a host of additional information.  The framework download also has some decent examples that help one get kick started.

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  • Best way to indicate more results available

    - by Alex Stangl
    We have a service to return messages. We want to limit the number returned, either allowing the caller to specify the max number to return, or else to use an internal hard limit. We also have thought it would be nice to include in the response whether more messages are available. The "best" way to go about this is not clear. Here are some ideas so far: Only set the "more messages" indicator if the user did not specify a max limit, and the internal max limit was hit. Same as #1 except that "more messages" indicator set regardless of whether the internal hard limit is hit, or the user-specified limit is hit. Same as #1 (or #2) except that we internally read limit + 1 records, but only return limit records, so we know "for sure" there is at least one additional message rather than "maybe" there are additional messages. Do away with the "more messages" flag, as it is confusing and unnecessary. Instead force the user to keep calling the API until it returns no messages. Change "more messages" indicator to something more akin to an EOF indicator, only set when the last message is known to have been retrieved and returned. What do you think is the best solution? (Doesn't have to be one of the above choices.) I searched and couldn't find a similar question already asked. Hopefully this is not "too subjective".

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  • How can I move my partition in GParted?

    - by reprogrammer
    The following is a screenshot of GParted run on my system. There is a small unallocated space at the beginning of the list. This 1 MiB space is kind of annoying and I'd like to merge with any other partition except /dev/sda1, /dev/sda6 and /dev/sda4. When I right click on the unallocated partition, the only available operation is "New". And, if I click on "New", I get the following error message. It is not possible to create more than 4 primary partitions Any ideas of how to go about merging the small unallocated space with other partitions?

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  • Accessing SQL Server in Windows XP Mode Virtual Pc

    - by DavidStein
    I have a laptop running 64bit Windows 7 Ultimate. I created a Virtual PC using Microsoft XP Mode. I've installed SQL Server 2000 on the Virtual Machine. I have SQL Server 2008 R2 installed on the Windows 7 machine (laptop). I can browse to the SQL 2000 instance (it sees it), but I cannot successfully connect using either Windows or SQL Server Authentication. I don't get an error, the attempt just times out. I have the Windows XP Mode Firewall turned off, and there doesn't appear to be anything in the Event logs either. Any ideas how I can query the XP Mode SQL Server from the Windows 7 machine?

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  • iTunes sees my iPhone, but Windows 7 x64 doesn't

    - by Herb Caudill
    After reinstalling Windows 7 (64-bit), it has stopped recognizing my iPhone. I can see it in iTunes but not in Windows Explorer, so I can't get the photos off. I'm having this problem on three different machines and two different iPhones (my wife's and mine). It's maddening. I've had every version of iPhone since it first came out and I've never had this problem before. I've uninstalled and reinstalled iTunes (currently at 10.2.1.1). I've updated iOS on the phone (currently at 4.3). In the device manager, this is what I see: Here's the properties screen for the unrecognized iPhone: And here's what I get after going through the "update driver" process: Any ideas? At the end of my rope here...

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  • Problem with Graphics Card, Power Supply or Mother Board?

    - by Rick Siegert
    I have a problem that is driving me to the edge. My graphics card periodically looses power for a moment, then comes back. Once in a while it takes much longer, like 5 minutes. I have always tried rebooting during that period, since I don't know then. Black screen, with a no power message across my monitor. All equipment is only a few months old. The Motherboard is a few months old, MSI N9A2 Platinum Revision 1 (AMD). The Video Card is a Gigabyte Radeon HD 4850 1GB. The power supply is an Ultra 700w My OS is Xp Pro, sp3 Any ideas or suggestions how to solve this

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  • Multi-Domain Root Administrator

    - by Brent Pabst
    We have a new domain structure we are planning on rolling out in the next few months. Essentially there is a single top level and forest domain controller "mydomain.lan" and two children "us.mydomain.lan" and "pl.mydomain.lan". We want to configure an administrator account or two at the top level domain that then has full administrator permissions on the sub domains. By default the top level administrator cannot access or login to machines on the sub-domains. Running W2K8R2. Ideas?

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  • Weird graphical artefacts on OS X Snow Leopard.

    - by Debilski
    Since a couple of days I experience some strange graphical artefacts on Snow Leopard. Usually after a certain uptime, the background image would show some strange colours at some place. This could be reverted by reloading the background image. But the problem would appear again after rebooting (and waiting for an indefinite time). Sometimes, the shadow of windows would also have some artefacts; and this time the application switcher is completely distorted. Any ideas where I need to search for a solution of the problem? Edit: Model: MacBook Gen. 3.1 / all updates installed Update: After not having used Safari for a while, the problem has not occurred anymore (at least not after 20 days of uptime). Could well be that the problem had its origin in Safari or a Safari-related plugin. (Possibly Flash or Click-to-Flash as it did not happen with both deactivated, though the running time with this configuration might have been to short to be of any validity.)

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  • FreeBSD: Samba performance over GBit-Ethernet

    - by Axel Gneiting
    I'm using a FreeBSD NAS with RAID-Z. I can read ~300MB/s from the ZFS disks to /dev/null on the box, but only get about 50MB/s over GBit-Ethernet with SMB to Windows 7 (Samba 3.5.6). Both systems have Intel-PCIe-NICs and are connected directly. Samba is configured to use AIO and I already tried to tune TCP/IP: kern.ipc.maxsockbuf=16777216 net.inet.tcp.sendspace=1048576 net.inet.tcp.recvspace=1048576 net.inet.tcp.sendbuf_max=8388608 net.inet.tcp.recvbuf_max=8388608 net.inet.tcp.delayed_ack=0 Any ideas what's causing the bottleneck? I think the link should handle 100 MB/s easily.

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  • Change Drobo directory permissions

    - by Steven Scott
    I have a Drobo unit that is connected via fire-wire to a Dell notebook. Using Ubuntu 12.04. I can not seem to change the permissions to allow all users to have read/write access to the drives. The unit is automatically mounting the volumes as my user using the system, so other applications can not access the device. I want to set up a Plex Media Server to stream music, etc... but it will not scan the drives since it can not access them. How can I change the permissions to allow everyone to read the volumes? IF I add them to the fstab as ntfs volumes, Ubuntu reports that they are not available during the boot up, likely due to the fire-wire not having found the drives yet. Any ideas or suggestions would be greatly appreciated.

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  • Links won't open in Outlook

    - by Scott Mitchell
    About a week ago Chrome (my default browser) stopped working and I ended up reinstalling. After that, however, links in Outlook 2007, when clicked, no longer open. Instead, I get a warning that reads: General failure. The URL was: URL. Application not found. I presume that there is some MIME or file type association that needs to be configured at the OS level, but I've not had any luck so far. My operating system is Windows 7. Any ideas? EDIT #1 Wayne Johnston suggested I set Chrome as my default browser, but when I go to the Set Default Programs screen in Windows 7 (via Control Panel) I do not see Chrome in the list of programs. How do I get it to show up there?

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  • Windows 7 Computer Maintenance - Restore removed Desktop Shortcuts

    - by HaydnWVN
    I'm aware about the inbuilt nightmate 'tool' of Microsofts which is making every network administrators job a nightmare (if left turned on). In short it'll happily delete every desktop shortcut to a network resource. We have it disabled by default. My question is related to recovering these shortcuts, Windows doesn't seem to dump them into the Recycle Bin and although you can 'restore previous versions' of the Desktop folder, you are unable to do it with the user logged in... Rather a problem if you only have the 1 user account. We have a user who (although the 'Computer Maintenance' tool is turned off) had it come up in 'Action Centre' and chose to run it. I've been unable to reproduce it, but the tool has certainly run (and removed 24 shortcuts from her desktop) although it is still saying 'Windows is not checking your system for maintenance problems'. ?! Very fustrating! Any ideas if these shortcuts are backed up/moved elsewhere so i can easily find and restore them?

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