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  • PXE boot and DHCP server configuration Failing Auto Installation

    - by Harihara Vinayakaram
    I have a ISC DHCP Server installed on Ubuntu 9.10 . I have managed to successfully boot a PXE client , obtain a DHCP address and load the initrd.gz file. But I am facing a vague problem when the debian installer starts up and tries to get a DHCP server The client send a DHCP request and I verified that is the same MAC Address. But I get a DHCP DECLINE (The client declines the address ). It offers all the address in the pool and then there is a DHCP NAK (no more free leases ) I tried using the Option no-ping, and also option one-client-one-lease but it does not help . If I set the client to use a fixed-address then the above problem is not there and the installation proceeds smoothly Can you give me any clues on what should be the DHCP server configuration My dhcpd.conf looks like this { ddns-update-style none; option domain-name "hadoop-myorg.org"; option domain-name-servers 192.168.3.5; default-lease-time 600; max-lease-time 7200; group { filename "pxelinux.0"; next-server 192.168.13.184; host hadoop1 { hardware ethernet 90:e6:ba:d5:53:f8; } } subnet 192.168.13.0 netmask 255.255.255.0 { option routers 10.0.0.254; pool { option domain-name-servers 192.168.3.5; max-lease-time 3000; range 192.168.13.55 192.168.13.65; deny unknown-clients; } } }

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  • Preventing out of office storms Exchange 2010, OWA and Auto Forward to a group

    - by Simon McLaren
    In my organization we have a group mailbox for a particular function. The actual function is preformed by 15 - 20 individuals on a rotating basis. The group mailbox serves as a record for all e-mail sent to that function. Individual access to the mailbox is established by adding a user to an A/D group. For convenience, those members of the group would prefer to not have to "check" this group/non-entiyy mailbox. To achieve that, I want to forward all incoming mail to the group mailbox to that group. So far I am not seeing any consistency in the way an out of office response looks in order to build an exception to the forward rule. We have not turned this feature on for the group, instead waiting until we are sure this will not be an issue. How do I preventing out of office replies to the group mailbox from being forwarded to the group? Management of the mailbox is conducted via OWA. Exchange 2010

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  • How to configure Farsun USB barcode scanner to not auto-trigger

    - by David Grayson
    At my company we have several USB barcode scanners. I'm not sure exactly what model they are, but I think they are the FG9800 from Farsun because that's what they look like on the exterior. They came with a programming manual that is very similar to this document from the Farsun website. When I scan the "Output Firmware Version" barcode, my scanner types the following into the computer: Farsun V2.00 2011-01-01 Is it possible to configure these scanners so they only read barcodes in response to the trigger button being pressed? I don't want them to automatically read barcodes. Additionally, I want this setting to be remembered while the scanner is turned off. Since this scanner only has a USB port, the only way to configure it that I know of is to scan bar codes from the manual (or make your own). I have tried scanning the configuration bar codes for Single Scan (013300), Single Scan No Trigger (013301), and Laser/CCD Timeout - 5 Seconds (0134005) from this document. Sometimes (but not often) this puts the scanner in to the right mode, where it only scans when the button is pressed. Unfortunately, the scanner seems to always leave this mode when it is power cycled. I have also scanned the "Reset Configuration To Defaults" barcode (0B) many times. We have three different scanners like this and I have not been able to successfully configure any of them. If the things I want are not possible with these Farsun-based scanners, is there some other scanner we can use?

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  • Microsoft Security Essentials howto auto download definition updates

    - by chris.nullptr
    I use Microsoft Security Essentials as my antivirus on my Win7 box. New virus definitions to Security Essentials are installed using Windows Update. However, the updates are marked as optional by default, as opposed to important which means that they don't get installed automatically. I have to select the updates from the list of optional updates and install them manually. Is there a way to change this behavior so that new definitions are marked as important and installed automatically?

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  • Prevent auto mounting Android sdcard under Linux Mint

    - by BullShark
    I recently obtained an older Android phone, so that I could test Android Apps on it. I've needed it because I have a Nexus 7 but not older Android versions, hardware, etc. to test on. I'm having a problem with it under Linux Mint with Cinnamon. When I plug the phone in, or remove and plug the sdcard from the phone back to it while the phone is plugged in, Linux automatically mounts the sdcard. This is a problem because once it is mounted under Linux, it dismounts from the phone running Android 2.3.5, and I can no longer test Android Apps I write that require the sdcard to be present, writable. I went to Menu System Tools System Settings System Details Removable Media, and it brings up this window. I have changed the settings to always "Ask what to do" on "Select how media should be handled". However, the sdcard still gets mounted and then I am asked how I want to open these files (media players, photo importers, file browser, etc.). If I click the checkbox for "Never prompt or start programs on media insertion", then the sdcard is mounted, and I am not asked how to open these files. Eject is just a noob word for Ubuntu users that means umount (unmount) like "Adminstrator" is another ubuntu noob word for the root user. And if I unmount the sdcard, the phone doesn't recognize it again until I take the sdcard out and plug it back in. The phone sees it for a brief moment until Linux Mint takes it over. There are 2 possible solutions and maybe more: 1) Prevent Linux from automounting sdcards some how 2) Tell Android not to allow the computer it is plugged into to take over the sdcard, HOW? Edit: I found out how to prevent the sdcard from being automatically mounted: Now it gets recognized by Linux: bullshark@beastlinux ~ $ dmesg | tail -n 25 [597212.218323] sd 21:0:0:0: [sde] Attached SCSI removable disk [597212.218639] sr 21:0:0:1: Attached scsi CD-ROM sr2 [597212.218910] sr 21:0:0:1: Attached scsi generic sg7 type 5 [597217.139373] sd 21:0:0:0: [sde] 3862528 512-byte logical blocks: (1.97 GB/1.84 GiB) [597217.140726] sd 21:0:0:0: [sde] No Caching mode page present [597217.140735] sd 21:0:0:0: [sde] Assuming drive cache: write through [597217.143595] sd 21:0:0:0: [sde] No Caching mode page present [597217.143602] sd 21:0:0:0: [sde] Assuming drive cache: write through [597217.152240] sde: sde1 [597389.751008] 4:2:1: cannot get freq at ep 0x84 [597390.238742] 4:2:1: cannot get freq at ep 0x84 [597624.903132] sde: detected capacity change from 1977614336 to 0 [597637.677763] sd 21:0:0:0: [sde] 3862528 512-byte logical blocks: (1.97 GB/1.84 GiB) [597637.679616] sd 21:0:0:0: [sde] No Caching mode page present [597637.679626] sd 21:0:0:0: [sde] Assuming drive cache: write through [597637.682508] sd 21:0:0:0: [sde] No Caching mode page present [597637.682515] sd 21:0:0:0: [sde] Assuming drive cache: write through [597637.692758] sde: sde1 [597661.857979] sde: detected capacity change from 1977614336 to 0 [597688.775455] sd 21:0:0:0: [sde] 3862528 512-byte logical blocks: (1.97 GB/1.84 GiB) [597688.776814] sd 21:0:0:0: [sde] No Caching mode page present [597688.776823] sd 21:0:0:0: [sde] Assuming drive cache: write through [597688.780055] sd 21:0:0:0: [sde] No Caching mode page present [597688.780062] sd 21:0:0:0: [sde] Assuming drive cache: write through [597688.788639] sde: sde1 bullshark@beastlinux ~ $ However, the phone still unmounts the sdcard upon being detected by Linux. Linux detects but does not mount, and a few seconds later: Edit #2 (Solution): I solved this one by changing the usb connection type (was usb mass storage) :

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  • Auto Start of Proftpd on OpenSuse Linux

    - by a_ak
    I´m trying to activate the Ftpservice on my Root Server, i have OpenSuse installed, and I´m using the xinetd method .. i added this to my xineted.conf: service ftp { flags = REUSE socket_type = stream protocol = tcp wait = no user = root server = /usr/sbin/in.proftpd disable = no } I´m not sure about this "server = /usr/sbin/in.proftpd" .. i added the code directly in the xinetd.config and not in a seperate file.. and to my proftpd.conf as the documentation of profdtp ( was already setted) : ServerType inetd Then I restarted the xineted service .. and no errors to see, but the proftpd ist still not statrting/launching .. I searched alot on google, but everywhere they say to do what i did abouve, nothing more.. did i miss something ?

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  • Preventing auto-restart of nautilus on gnome 2.28

    - by Ivan Vucica
    Cheers! I dislike disobedience from my system. When I want to explicitly kill Nautilus with kill or killall, I am no longer able to do so. Previously I could disable this erroneous behavior (which even Windows do not exhibit!) through gnome-session-properties, however, it is no longer possible to set the "restart style" there (or whatever it was called). What is nowadays the correct way to disable nautilus autorestart under gnome? Reasons: I'm writing a piece of software that's painting directly into X11 root window. Nautilus is interfering. Compiz has a wallpapers plugin which Nautilus is painting over.

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  • Windows 8 auto-hibernate from sleep not working on Retina MacBook Pro

    - by frenchglen
    I have a similar question to this one. Only my context is the 15" Retina MacBook Pro - and Windows 8. I have just the original Mac OS X Mountain Lion on there, then Windows 8 via Bootcamp. no rEFIt installed. (I just press ALT every time I restart windows, actually as a security measure to stop tech-unsavvy thugs, who, if the laptop is stolen, think it's only a mac and don't discover my Windows as quickly as they would've, and by that time I remotely activate various anti-theft mac apps and nab them that way). SO: like the related question asks, why isn't it behaving like it should? The Windows 7 FAQ states: Will sleep eventually drain my laptop battery? If your laptop battery charge gets critically low while the computer is asleep, Windows automatically puts the laptop into hibernation mode. But this is just not happening - on my rMBP Windows 8. It seems EVERY time I set the laptop to sleep (when it reaches 10%), then arriving home and plugging it in and hoping to simply resume my work, it does NOT save the session to disk and I lose ALL my work. Who's fault is it? Win 8's (a bug, grr)? Or Apple's EFI system (maybe fixable via editing EFI options/do I have to install refit to make it work perhaps?) Or maybe changing windows power options can somehow fix the problem? Thanks for your help.

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  • Configuring zsh in OSX to auto start processes

    - by calumbrodie
    I've recently converted to using zsh instead of bash in OSX and was wondering if it is possible to do the following: When I launch my terminal I would like to start various tabs and have each tab run a different process e.g tailing logs, running ruby scripts etc. Currently I need to cmd+n multiple tabs and then manually start each process. While this doesn't take long I would like to be able to just launch my terminal and have these various tabs start and run those commands automatically. Is this possible?

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  • ssh auto-forward?

    - by Jakobud
    I'm not sure if there is a specific name for this type of activity or not, but anyways: When a user ssh's into machine1, is there someway to force them to automatically ssh to machine2? For example, if user Bob ssh's into server1, can you set something up on server1 so that when Bob successfully logs in, he automatically ssh's to server2, so that he only has access to server2 and isn't really able to do anything on server1? Also, when he exits, it would disconnect him from server2 but also server1. Does that make sense? Is that possible?

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  • My EliteBook is not auto picking 1080p for external monitor, poor display on forcing

    - by Griever
    I'm connecting my Samsung LED S22A300B to my HP EliteBook 6930p through VGA out. Laptop has Intel 4500MHD video card. I have latest drivers installed for both card and monitor. Only 800x600 and 1024x768 are shown. A lot of other people get this problem when they use it with docking station as discussed here. But I am not using any docking station. The monitor works great with my desktop though. As advised on the aforementioned page, one of the things I tried was to force the resolution using Intel's "custom resolution" feature. I installed PowerStrip on my desktop and copied advanced timing values(front/back porch,sync width, etc.) from there and then used the same values while defining a custom resolution in my laptop's Intel graphics utility. As a result, I got the 1080p resolution but the display is poor. Text has some weird colored shadow and sometimes on images too. What should I do?

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  • mdadm auto grow raid

    - by johannes
    I have a raid0/1 on lvm logical volumes. I resized the logical volumes. Now I want to resize the raid to use the complete logical volumes. This can be done with mdadm /dev/md? --grow -z newsize But somehow I can't figure out how to calculate the newsize argument. Is there a way to tell mdadm to grow to the biggest possible size? If not, how do I calculate the biggest possible size of the raid to use for the newsize argument?

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  • auto copy newest folders and images in MyPictures folder to USB drive

    - by TVersmet
    I drop lots of photos in a day into the My Documents/My Pictures folder. I archive at the end of each day to USB drives, to be stored offsite. What I would like is someway to automate the process. By example, a small app or script I can simply double-click and it will scan the My Pictures folder for the newest folders and images and copy them to the USB drive until the drive is full. It doesn't matter if I get redundancy from the previous days saved images, so long as the newest images and folders are always the first to get copied. Well, that's my request. Thanks for reading.

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  • Custom Filter in cPanel to Auto-Delete Emails with Russian Characters

    - by John Conde
    I get a lot of spam to my email account from Russia. The emails themselves (name, subject, body) are in Russian and I was hoping to create a custom filter in cPanel (not in SpamAssassin but in cPanel itself) to catch these emails and delete them before they hit my inbox. I've tried setting up rules to flag emails with these characters but they still are getting through. This leads me to believe that there is an encoding issue at play here. Unfortunately I do not know how to overcome this. Ideas?

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  • How can I get Transaction Logs to auto-truncate after Backup

    - by Yaakov Ellis
    Setup: Sql Server 2008 R2, databases set up with Full recovery mode. I have set up a maintenance plan that backs up the transaction logs for a number of databases on the server. It is set to create backup files in sub-directories for each database, verify backup integrity is turned on, and backup compression is used. The job is set to run once every 2 hours during business hours (8am-6pm). I have tested the job and it runs fine, creates the log backup files as it should. However, from what I have read, once the transaction log is backed up, it should be ok to truncate the transaction log. I do not see any option for doing this in the Sql Server Maintenance Plan designer. How can I set this up?

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  • Lilypond: Is there a way to auto-crop the paper

    - by Boldewyn
    In Lilypond the paper size can be set to A4, A5, Letter and so forth. However I have only a short song, and I want to embed it lateron. Therefore the output from Lilypond must be cropped somehow. Is there a possibility to let Lilypond itself do this? Some setting to the \paper{} block, perhaps?

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  • Free Photoshop Plugin or Software to auto remove backgrounds

    - by Rogue
    I'm looking for a background removal plug-in or software that automates or atleast eases the process of removing backgrounds from pictures / digital photos. I have seen a few like Mask Pro 4, Snap and BackGround Remover all these are paid software. I would like to know if there are any free solutions available before I invest in any of the above plug-ins / software.

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  • Cannot get Windows snipping tool to auto run with AutoHotKey

    - by jasondavis
    I am trying to get Windows 7 sniping tool to run when I hit my PRINTSCREEN keyboard button with AUTOHOTKEY. I have been unsuccessful so far though. Here is what I have for the AutoHotKey script. I have tried this PRINTSCREEN::Run, c:\windows\system32\SnippingTool.exe and this PRINTSCREEN::Run, SnippingTool.exe and this PRINTSCREEN::Run, SnippingTool And all those give me this error when I hit the PRINTSCREEN button... It basicly says it cannot find the file, however the file path seems to be correct, I can copy paste it into a window and it opens the snipping tool, any ideas why it will not work? Here is the full code to my AHK file... ; ; AutoHotkey Version: 1.x ; Language: English ; Platform: Win7 ; Author: Jason Davis <friendproject@> ; ; Script Function: ; Template script (you can customize this template by editing "ShellNew\Template.ahk" in your Windows folder) ; #NoEnv ; Recommended for performance and compatibility with future AutoHotkey releases. SendMode Input ; Recommended for new scripts due to its superior speed and reliability. SetWorkingDir %A_ScriptDir% ; Ensures a consistent starting directory. /* PRINTSCREEN = Will run Windows 7 snipping tool */ PRINTSCREEN::Run, c:\windows\system32\SnippingTool.exe return

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  • How to calculate RAM value on performance per dollar spent

    - by Stucko
    Hi, I'm trying to make decisions on buying a new PC. I have most specifications (processor/graphic card/hard disk) pin-downed except for RAM. I am wondering what is the best RAM configuration for the amount of money I'm spending. As the question of best is subjective, I'd like to know how would I calculate the value of RAM sticks sold. 1.(sample)The value of amount of memory: 1) CORSAIR PC1333 D3 2GB = costs $80 2) CORSAIR PC1333 D3 4GB = costs $190 would it be better to buy 2 of item 1) instead of 1 of item 2) ?? Although I would normally choose to have 1 of 2) as the difference is only (190-(80*2)) = 30 as I would save 1 DIMM slot, What I need is the value per amount: 1) 80/ 2 = $40 per 1GB 2) 190/ 4 = $47.5 per 1GB 2. The value of frequency: 1) CORSAIR PC1333 4GB = costs 190 2) CORSAIR PC1600C7 4GB = costs 325 Im not even sure of the denominator ... $ per 1 ghz speed? 3. The value of latency: 1) CORSAIR CMP1600C8 8-8-8-24 2GBx3 (triple channel) = costs 589 2) CORSAIR CMP1600C7D 7-7-7-20 2GBx3 (triple channel) = costs 880 Im not even sure of the denominator ... $ per 1 ghz speed? Just for your information i'd like to get the best out of the money im going to spend to put on a 6 DIMM slot i7core motherboard.

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  • how to disable isight auto adjustments ?

    - by George Profenza
    The built-in isight cam on my macbook machine keeps re-adjusting the lighting (and focus I think). I need to manually set those, but I found nothing of any use in System Preferences or System Profiler. Any way to access the settings ? Any magic terminal commands that allows access to the camera ? Anyone has a driver that allows for any camera access ? 'mac - it just works'...sure, if you want to use it like a kid. the second you actually want to do something with you mac other than the basic things, you can do on ANY regular machine anyway, your 'rights' are done with, as apple seems to only encourage dumb clients. I'm not saying saying this applies to all mac users, but the 'typical/average' one in my view is only going to use it for media(music,video) and web(facebook,blogging, all that) and maybe podcasting,webcasting,etc....ok this is turning into a rant, so I will finish here.

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