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  • How to backup/restore OSX Parental Controls before/after complete reimage?

    - by Jim Anderson
    We typically "nuke and pave" users Mac OSX laptops if they have software issue. Prior to doing so, we backup the primary (non-admin) user's home folder. Our standard image has four accounts: Admin (uber admin user); Parent (admin account for the parents of students); Loaner (so our standard image will also work for our loaner laptop pool); Student (this is the primary, non-admin user of the laptop) Our standard image has only minimal Parental controls on the Loaner and Student accounts. Some parents choose to tighten the parental controls. We never know when parents have made changes to parental controls, or what those changes are. Once we have reimaged the machine with our standard image (minimal parental controls) we would like to be able to restore any custom parental controls parents may have placed on their student's account. Any help in this would be appreciated. Thanks.

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  • Assign two static IP addresses to one mac address

    - by Timo Ylikännö
    Can Isc-dhcp-server give two static ip addresses to one mac address? I have several home terminals in my network. Each terminal have two interfaces. One for public traffic and one for a management traffic. Both interfaces have same mac address. DHCP server can detect interfaces via dhcp option field and dhcp class declarations. Every terminal have to have static ip address instead of dynamic address. With dynamic address and dynamic pools this would be an easy task. Or is there any dhcp server that can do this?

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  • 256 SSD / 2TB Internal drive, i7, 16GB RAM.. explorer.exe still slow

    - by web_dvlp_sd
    OK, so I just got done tweaking my brand new PC and explorer.exe still manages to be sluggish not as snappy as I'd like or expected at all. Specs are i7 4th gen processor, 16GB RAM, windows 7 64 home premium on 256GB SSD, secondary internal 2TB drive. I assumed system would be lightning fast, been doing a bunch of researching and switched out a lot of different settings including enabling/disabling indexing, turning pagefile on/off or placing it on separate drive, turning folder optimization options on/off.. changes have been minimal or none at all. Any further advice or anything I might be missing, besides a new/repair install? PC is literally 3 days old I don't feel like I need a new install at all

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  • Huawei HG8245T Router - not connecting to another router

    - by BubbaK
    I just got a fiber optic connection installed at home and due to the build of the house, it's mostly cement/bricks, the wireless connection isn't received throughout the house. Previously, to combat this issue, I just ran a hardwire from the modem downstairs and upstairs and had it connected to a secondary (DLink) router. It did the job of getting me seamless wireless internet access everywhere. The issue is now with the new Huawei router, this setup isn't working. I have connected everything as previously, but it seems that the other (DLink) routers are not picking up the connection. I have tried everything and am totally lost as what to do to overcome this problem. Any help would be appreciated.

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  • fern-wifi-cracker "Exec format error" breaks packaging system

    - by cunix
    root@cunix:/home/cunix# sudo apt-get remove fern-wifi-cracker Reading package lists... Done Building dependency tree Reading state information... Done The following packages were automatically installed and are no longer required: libqt4-test libqt4-sql-mysql mysql-common libqt4-xmlpatterns libqt4-help python-qt4 python-sip libqt4-sql-sqlite libqt4-sql macchanger libqt4-designer libmysqlclient16 python-scapy libqt4-scripttools Use 'apt-get autoremove' to remove them. The following packages will be REMOVED: fern-wifi-cracker 0 upgraded, 0 newly installed, 1 to remove and 0 not upgraded. After this operation, 3,514kB disk space will be freed. Do you want to continue [Y/n]? y (Reading database ... 167661 files and directories currently installed.) Removing fern-wifi-cracker ... dpkg (subprocess): unable to execute installed pre-removal script (/var/lib/dpkg/info/fern-wifi-cracker.prerm): Exec format error dpkg: error processing fern-wifi-cracker (--remove): subprocess installed pre-removal script returned error exit status 2 Errors were encountered while processing: fern-wifi-cracker E: Sub-process /usr/bin/dpkg returned an error code (1) how to uninstall?

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  • internet connection drops randomly

    - by Remus Rigo
    hi all I have 3 PC's at home (with Win XP, Win 7 & Win 7) and a router. I am always connected to the internet through the router (PPoE connection). My problem is that sometimes when I want to search or open a page, my browser tells me that the server cannot be reached, as if I don't have a connection to the internet. Other times it logs me out from messenger, but browsing still works. FTP download/upload also works. If i disable and enable the LAN then all works fine. The connection doesn't always drop on all three PC's at the same time. Anyone got any idea besides re-installing OS? thanks

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  • Configure Dual Boot, Windows 7 and Ubuntu 12.04 with or without EFI

    - by Keroak
    I have just installed Ubuntu 12.04 on a laptop with Windows 7 but I don't get to boot from Ubuntu. First, during the installation I made these partitions (may be too many): /dev/sda1 FAT32 SYSTEM 200Mb boot (EFI boot, i guess) /dev/sda2 unknown file system 128 Mb msftres (Windows Boot Manager) /dev/sda3 NTFS OS 100 Gb (Windows 7) /dev/sda4 NTFS DATOS 315 Gb (Data partition) /dev/sda5 ext4 28 Gb (/home) /dev/sda8 unknown file system 1 Gb biog_grub (i'm not very sure why i made this one) /dev/sda6 ext4 17 Gb (/ Ubuntu 12.03 installed withou errors aparently) /dev/sda7 linex-swap 2 GB (swap) I can boot from Windows perfectly. Actually I tried to configure Windows Boot Manager with EasyBCD but it doesn't recognize any boot entry. Anyway, I added an Ubuntu Entry and it configured it automatically. Now I have boot entries the Windows 7 one that appear to work and the Ubuntu 12.04 that it prompt a "No application found" message. I re-started from a USB with Ubuntu and tried to fix GRUB from the command-line and with boot-repair. No results. As far as I understand I have to tell the Windows Boot Manager where my Ubuntu boot loader is. So I have two problems: Actually, I don't know where my Ubuntu boot loader, GRUB or GRUB2 or whatever, is. I don't know how to set my Ubuntu entry in Windows Boot Manager. I guess using BCDedit.exe as EasyBCD didn't show me the entries. Anyway, I don't know what parameters to use. I read several articles about it but i didn't find out anything useful.

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  • Run .sh file in linux machine via putty

    - by Prateek
    I want run an .sh file which take an argument in a Linux machine. I'm using plink.exe to execute this .sh file from a windows machine. But I don't know what to write in the batch file in order to run plink.exe which in turn executes the .sh file and this file arguement. I have written following batch command: @echo off start C:\Users\Prateek\Desktop\PLINK.EXE -ssh -P 22 user@host -pw password sh -x "/home/user/copy.sh" On executing it, I get: + echo '' + echo 'Enter partner id' Enter partner id + read pid : Actually 'Enter partner id' is the argument, which I need to pass.

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  • Can my PowerMac G3 B&W really take a harddrive larger than 128GB?

    - by Josh Calvetti
    So it's a well known fact that the PowerMacs manufactured before 2002 cannot take a harddrive larger than 128GB. I have an old B&W that was running 10.4, and upon putting a 250GB drive inside, it told me that I had inserted a 128GB. That was expected. However, I recently decided to turn that machine into a Debian home file server. I shoved the 250GB drive inside, did some formatting, and now it tells me that it is a 250GB drive. Is this safe to use? Will all my data go corrupt after I've added more than 128GB of stuff? In case the specs are helpful to have, it's a 400MHz B&W, 1GB RAM, Rev. B.

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  • How can I access my music anywhere?

    - by musicfreak
    So here's the idea: I use multiple computers on an almost daily basis. I would like to be able to access my entire music library from any of those computers through the Internet. Is there a service or perhaps some software that would allow me to host my music "in the cloud", or in some other way access it from a different computer? I've searched for something like this and the closest I've found is the Media Player application found in Opera Unite, but that requires my home computer to be turned on at all times, which is less than ideal. I'm willing to pay, but not so much that I could just rent a private server for a lower price. Thanks in advance.

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  • Why does VIM say there is trailing whitespace on this command?

    - by Jesse Atkinson
    I am trying to write a beautify CSS command in vim that sorts and alphabetizes all of the CSS properties as well as checks to see if there is not a space after the colon and inserts one. Here is my code: nnoremap <leader>S :g#\({\n\)\@<=#.,/}/sort | %s/:\(\S\)/: \1/g<CR> :command! SortCSSBraceContents :g#\({\n\)\@<=#.,/}/sort | %s/:\(\S\)/: \1/g These work independently. However, I am trying to pipe them into one command. On save VIM says: Error detected while processing /var/home/jesse-atkinson/.vimrc: line 196: E488: Trailing characters Any ideas?

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  • gitosis always asks for git password

    - by Cylindric
    I've just followed the simple gitosis install instructions on an Ubuntu server, such as these http://blog.agdunn.net/?p=277 On the server I log in as "mark", and into /home/mark/.ssh/ I copied my keyfiles id_rsa and id_rsa.pub from my laptop. I used that id_rsa.pub when initialising the gitosis stuff, and can happily connect locally when logged in as 'mark'. From my laptop though, where I have the same keys, I can't connect. I just get an error: git clone git@support:gitosis-admin.git Initialized empty Git repository in u:/gitosis-admin/.git fatal: The remote end hung up unexpectedly The server is Ubuntu 9.04, the client is a Win7 laptop with Cygwin and WinSysGit.

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  • How to add a 'second elbow' to an 'elbow arrow connector' in Powerpoint 2007?

    - by ricebowl
    I'm trying to put together a relatively complex flow-chart thing -as part of a University assignment (health-related, and gosh, does my university love all things Microsoft Office...). Because of the way the chart progresses I have to connect two objects with a 'double elbow' version of the 'elbow arrow connector.' I accept that perhaps this complexity means I should redesign the chart, but I've tried and failed to simplify things already. If you'll pardon my ASCII art, this is what I have: +----------------+ | 1 | | | +-------+--------+ | | +-------+--------+ /\ |2 +--------|-----/ 3\ +----------------+ \ / \/ Shape 1 should connect to shape 3, currently the line doing so passes behind shape 2. The diagram below shows what I'd prefer, and, frankly, what I need to happen. +----------------+ | 1 | | | +-------+--------+ | +-----------+ +----------------+ | /\ |2 | +--/ 3\ +----------------+ \ / \/ Having explored the various right-click options I'm either being blind and not seeing it, or...well, I'm hoping it's just me being blind and/or stupid, frankly. If anyone has any suggestions they'd be gratefully received. I'm working with WinXP and Office 2007 (at the university, I run on Ubuntu at home, which possibly explains why I'm missing something potentially simple)...

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  • Apache, modifying response codes from 404 to 301

    - by user72539
    Hi, I'm running a magento installation on an apache server. There are many pages indexed in both google and linked to from external sites. I can't use 301 redirects in a .htaccess file as I can't be sure I will catch all the links. At the moment all requests are rewritten through magento and if a request isn't found magento returns a 404 File not Found. Is there a way of using one of the apache modules to filter the response* from magento and if a 404 Not Found is being sent back then replace the response with a standard 301 Redirect to the home page? E.g. Request to Magento -- Apache -- Rewrite to Magento index.php page -- page processed. Response if request exists -- return results (200) if request doesn't exist -- return 404 -- apache filter change response -- return 301 redirect to / I appreciate any help. Thanks, Jon as far as I am aware mod_rewrite is only used to rewrite requests and doesn't allow the modification of responses.

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  • Twitter Keyboard Shortcuts – Use Twitter Like a Pro

    - by Gopinath
    Keyboard shortcuts are the way to go for every ninja to get things done on computer very quickly. If you want to become a Twitter ninja , here are the keyboard shortcuts to quickly read, reply, retweet and to do more. . – Refresh list of tweets. / – Go to Search box. M – Opens a new Message in a pop-up window. N – Opens a new tweet in a pop-up window. Press G, then R – Open Replies. Press G, then M – Open Messages Inbox Press G, then F – Open Favourites. Press G, then H - Go Home. Press G, then P – Display your profile. Press G, then U – Go to another user’s profile, input Twitter name in displayed box. Shift + F – Add selected tweet to Twitter Favourites. Shift + R - Reply to selected tweet. Shift + T – Retweet selected tweet. cc image credit: flickr/davemott This article titled,Twitter Keyboard Shortcuts – Use Twitter Like a Pro, was originally published at Tech Dreams. Grab our rss feed or fan us on Facebook to get updates from us.

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  • Windows Server 2008 R2 slows internet speed

    - by Tone
    I just installed Windows Server 2008 R2 as my main file server on my home network. I've noticed that often times when I start my day my internet connection speed is slow. I'll go to Speakeasy speed test and it'll be at about 25% of its normal speed. When I restart my Server 2008 machine it increases back to normal. It will stay normal until Server 2008 has been running for a while. Any ideas? Edit: I had installed Collabnet Subversion within the past week which installs/sets up some other stuff for web access, I just uninstalled it. I'll report back tomorrow if that fixed my problem.

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  • No option to select ASP.Net Version in IIS 6?

    - by GenericTypeTea
    I'm running Windows Server 2003 64bit edition. I've just installed the .Net 4 Framework in order to get a new WCF service up and running. However, I have no options anywhere in IIS 6 for selecting the ASP.Net framework version. I.e. Right click Properties on the website should have as ASP.Net tab from where I should be able to select v2 or v4. Does anyone know why they're not there and how I can make them appear? For the time being I've had to go into Website Properties Home Directory Configuration and change the .svc extension to use v4.0.30319 instead. So, everything's now working for my WCF service, however every other extension is set to v2. How can I get the tab? It's not visible on any of my 23 websites.

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  • Recover RAID 5 data after created new array instead of re-using

    - by Brigadieren
    Folks please help - I am a newb with a major headache at hand (perfect storm situation). I have a 3 1tb hdd on my ubuntu 11.04 configured as software raid 5. The data had been copied weekly onto another separate off the computer hard drive until that completely failed and was thrown away. A few days back we had a power outage and after rebooting my box wouldn't mount the raid. In my infinite wisdom I entered mdadm --create -f... command instead of mdadm --assemble and didn't notice the travesty that I had done until after. It started the array degraded and proceeded with building and syncing it which took ~10 hours. After I was back I saw that that the array is successfully up and running but the raid is not I mean the individual drives are partitioned (partition type f8 ) but the md0 device is not. Realizing in horror what I have done I am trying to find some solutions. I just pray that --create didn't overwrite entire content of the hard driver. Could someone PLEASE help me out with this - the data that's on the drive is very important and unique ~10 years of photos, docs, etc. Is it possible that by specifying the participating hard drives in wrong order can make mdadm overwrite them? when I do mdadm --examine --scan I get something like ARRAY /dev/md/0 metadata=1.2 UUID=f1b4084a:720b5712:6d03b9e9:43afe51b name=<hostname>:0 Interestingly enough name used to be 'raid' and not the host hame with :0 appended. Here is the 'sanitized' config entries: DEVICE /dev/sdf1 /dev/sde1 /dev/sdd1 CREATE owner=root group=disk mode=0660 auto=yes HOMEHOST <system> MAILADDR root ARRAY /dev/md0 metadata=1.2 name=tanserv:0 UUID=f1b4084a:720b5712:6d03b9e9:43afe51b Here is the output from mdstat cat /proc/mdstat Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md0 : active raid5 sdd1[0] sdf1[3] sde1[1] 1953517568 blocks super 1.2 level 5, 512k chunk, algorithm 2 [3/3] [UUU] unused devices: <none> fdisk shows the following: fdisk -l Disk /dev/sda: 80.0 GB, 80026361856 bytes 255 heads, 63 sectors/track, 9729 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000bf62e Device Boot Start End Blocks Id System /dev/sda1 * 1 9443 75846656 83 Linux /dev/sda2 9443 9730 2301953 5 Extended /dev/sda5 9443 9730 2301952 82 Linux swap / Solaris Disk /dev/sdb: 750.2 GB, 750156374016 bytes 255 heads, 63 sectors/track, 91201 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000de8dd Device Boot Start End Blocks Id System /dev/sdb1 1 91201 732572001 8e Linux LVM Disk /dev/sdc: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00056a17 Device Boot Start End Blocks Id System /dev/sdc1 1 60801 488384001 8e Linux LVM Disk /dev/sdd: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, 121601 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000ca948 Device Boot Start End Blocks Id System /dev/sdd1 1 121601 976760001 fd Linux raid autodetect Disk /dev/dm-0: 1250.3 GB, 1250254913536 bytes 255 heads, 63 sectors/track, 152001 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Disk /dev/dm-0 doesn't contain a valid partition table Disk /dev/sde: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, 121601 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x93a66687 Device Boot Start End Blocks Id System /dev/sde1 1 121601 976760001 fd Linux raid autodetect Disk /dev/sdf: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, 121601 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0xe6edc059 Device Boot Start End Blocks Id System /dev/sdf1 1 121601 976760001 fd Linux raid autodetect Disk /dev/md0: 2000.4 GB, 2000401989632 bytes 2 heads, 4 sectors/track, 488379392 cylinders Units = cylinders of 8 * 512 = 4096 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 524288 bytes / 1048576 bytes Disk identifier: 0x00000000 Disk /dev/md0 doesn't contain a valid partition table Per suggestions I did clean up the superblocks and re-created the array with --assume-clean option but with no luck at all. Is there any tool that will help me to revive at least some of the data? Can someone tell me what and how the mdadm --create does when syncs to destroy the data so I can write a tool to un-do whatever was done? After the re-creating of the raid I run fsck.ext4 /dev/md0 and here is the output root@tanserv:/etc/mdadm# fsck.ext4 /dev/md0 e2fsck 1.41.14 (22-Dec-2010) fsck.ext4: Superblock invalid, trying backup blocks... fsck.ext4: Bad magic number in super-block while trying to open /dev/md0 The superblock could not be read or does not describe a correct ext2 filesystem. If the device is valid and it really contains an ext2 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck with an alternate superblock: e2fsck -b 8193 Per Shanes' suggestion I tried root@tanserv:/home/mushegh# mkfs.ext4 -n /dev/md0 mke2fs 1.41.14 (22-Dec-2010) Filesystem label= OS type: Linux Block size=4096 (log=2) Fragment size=4096 (log=2) Stride=128 blocks, Stripe width=256 blocks 122101760 inodes, 488379392 blocks 24418969 blocks (5.00%) reserved for the super user First data block=0 Maximum filesystem blocks=0 14905 block groups 32768 blocks per group, 32768 fragments per group 8192 inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968, 102400000, 214990848 and run fsck.ext4 with every backup block but all returned the following: root@tanserv:/home/mushegh# fsck.ext4 -b 214990848 /dev/md0 e2fsck 1.41.14 (22-Dec-2010) fsck.ext4: Invalid argument while trying to open /dev/md0 The superblock could not be read or does not describe a correct ext2 filesystem. If the device is valid and it really contains an ext2 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck with an alternate superblock: e2fsck -b 8193 <device> Any suggestions? Regards!

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  • The Best Websites for Downloading and Playing Classic and New Text Adventure Games

    - by Lori Kaufman
    Before computers could handle graphical games, there were text adventure games. The games are interactive stories, so playing a text adventure game is like being part of a book in which you affect the story. Text adventure games are also referred to as “interactive fiction.” Interactive Fiction (IF) is actually a more accurate term for text adventure games, because these games can cover any topics, such as romances or comedies, not just adventures. They can also simulate real life. Even though computers can now handle intensely graphical games, playing text adventure games can still be fun. It’s like reading a good book and getting lost in the universe of the story, except you become the hero or heroine and affect the ending of the story. We’ve collected some links to websites where you can download classic and new text adventure games or play them online. There are also some free tools available for creating your own text adventure games. We even found a documentary about the evolution of computer adventure games and some articles about the art and craft of developing the original text adventure games. How To Create a Customized Windows 7 Installation Disc With Integrated Updates How to Get Pro Features in Windows Home Versions with Third Party Tools HTG Explains: Is ReadyBoost Worth Using?

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  • Create Shortened goo.gl URLs in Your Favorite Browser

    - by Asian Angel
    Now that the new goo.gl URL shortening service has been active for a bit you may be wanting to add it to your favorite non Internet Explorer/Firefox browser. See how easy it is to enjoy that goo.gl URL shortening goodness with the “goo.gl with prompt for copying Bookmarklet”. goo.gl with Prompt for Copying Bookmarklet In Action To add the bookmarklet to your browser simply drag it to your “Bookmarks Toolbar” and get ready to start creating those shortened URLs. For our example we chose one of the wonderful malware removal articles here at the site. All that you will need to do is click on the bookmarklet to create your shortened URL. The wonderful thing about this bookmarklet is the small pop-up window that provides an easy way for you to copy the shortened URL. You can see the “Context Menu” for the small window here…definitely nice. Once you have copied your new URL you can close the window by clicking on “OK” or pressing “Enter”. Now you are ready to use your new shortened goo.gl URL wherever you like or need to. Conclusion If you have been wanting to add goo.gl URL shortening power to your favorite browser then this is the perfect bookmarklet to have. Links Add the goo.gl with Prompt for Copying Bookmarklet to Your Favorite Browser Similar Articles Productive Geek Tips See Where Shortened URLs “Link To” in Your Favorite BrowserVerify the Destinations of Shortened URLs the Easy WayA Quick Look at URL Shortening Services & ExtensionsCreate Shortened goo.gl URLs in Google Chrome the Easy WayText-Only URL Quick-Fix for Firefox TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips DVDFab 6 Revo Uninstaller Pro Registry Mechanic 9 for Windows PC Tools Internet Security Suite 2010 Open Multiple Links At One Go NachoFoto Searches Images in Real-time Office 2010 Product Guides Google Maps Place marks – Pizza, Guns or Strip Clubs Monitor Applications With Kiwi LocPDF is a Visual PDF Search Tool

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  • How to install audio drivers for Acer Revo nettop?

    - by CT
    I have a Acer Revo nettop. I wiped the XP Home install that came on the machine and put XP Pro on. Acer's support website would lead you to believe that this product does not exist. I know it has a NVIDIA ION LE chipset so I headed over to nvidia.com to download drivers. Ive downloaded and installed the Chipset drivers, Graphics Drivers, and HDMI audio drivers. I have no sound. Under Device Manager there is an unknown Audio Device on High Definition Audio Bus. I do not have an HDMI cable to test hdmi audio. I would just like the standard audio mini-jack output to work. Anyone know of the correct driver or a generic driver that would work? Thanks

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  • Can't log in via SSH to any accounts set to use /bin/bash as a default shell

    - by Gui Ambros
    I'm trying to install bash as the default shell on a ARM Linux running on an embedded device (Synology DS212+ NAS). But there's something really wrong, and I can't figure out what it is. Symptoms: 1) Root has /bin/bash as default shell, and can log in normally via SSH: $ grep root /etc/passwd root:x:0:0:root:/root:/bin/bash $ ssh root@NAS root@NAS's password: Last login: Sun Dec 16 14:06:56 2012 from desktop # 2) joeuser has /bin/bash as default shell, and receives "Permission denied" when trying to log in via SSH: $ grep joeuser /etc/passwd joeuser:x:1029:100:Joe User:/home/joeuser:/bin/bash $ ssh joeuser@localhost joeuser@NAS's password: Last login: Sun Dec 16 14:07:22 2012 from desktop Permission denied, please try again. Connection to localhost closed. 3) changing joeuser's shell back to /bin/sh: $ grep joeuser /etc/passwd joeuser:x:1029:100:Joe User:/home/joeuser:/bin/sh $ ssh joeuser@localhost Last login: Sun Dec 16 15:50:52 2012 from localhost $ To make things even more strange, I can log in as joeuser using /bin/bash using the serial console (!). Also a su - joeuser as root works fine, so the bash binary itself is working fine. In an act of despair, I changed joeuser's uid to 0 on /etc/passwd, but also didn't work, so it doesn't seem to be anything permission related. Seems that bash is doing some extra checking that sshd didn't like, and blocking the connections for non-root users. Maybe some sort of sanity checking - or terminal emulation - that is triggering the SIGCHLD, but only when called via ssh. I already went through every single item on sshd_config, and also put SSHD in debug mode, but didn't find anything strange. Here's my /etc/ssh/sshd_config: LogLevel DEBUG LoginGraceTime 2m PermitRootLogin yes RSAAuthentication yes PubkeyAuthentication yes AuthorizedKeysFile %h/.ssh/authorized_keys ChallengeResponseAuthentication no UsePAM yes AllowTcpForwarding no ChrootDirectory none Subsystem sftp internal-sftp -f DAEMON -u 000 And here's the output from /usr/syno/sbin/sshd -d, showing the failed attempt of joeuser trying to log in, with /bin/bash as the shell: debug1: Config token is loglevel debug1: Config token is logingracetime debug1: Config token is permitrootlogin debug1: Config token is rsaauthentication debug1: Config token is pubkeyauthentication debug1: Config token is authorizedkeysfile debug1: Config token is challengeresponseauthentication debug1: Config token is usepam debug1: Config token is allowtcpforwarding debug1: Config token is chrootdirectory debug1: Config token is subsystem debug1: HPN Buffer Size: 87380 debug1: sshd version OpenSSH_5.8p1-hpn13v11 debug1: read PEM private key done: type RSA debug1: private host key: #0 type 1 RSA debug1: read PEM private key done: type DSA debug1: private host key: #1 type 2 DSA debug1: read PEM private key done: type ECDSA debug1: private host key: #2 type 3 ECDSA debug1: rexec_argv[0]='/usr/syno/sbin/sshd' debug1: rexec_argv[1]='-d' Set /proc/self/oom_adj from 0 to -17 debug1: Bind to port 22 on ::. debug1: Server TCP RWIN socket size: 87380 debug1: HPN Buffer Size: 87380 Server listening on :: port 22. debug1: Bind to port 22 on 0.0.0.0. debug1: Server TCP RWIN socket size: 87380 debug1: HPN Buffer Size: 87380 Server listening on 0.0.0.0 port 22. debug1: Server will not fork when running in debugging mode. debug1: rexec start in 6 out 6 newsock 6 pipe -1 sock 9 debug1: inetd sockets after dupping: 4, 4 Connection from 127.0.0.1 port 52212 debug1: HPN Disabled: 0, HPN Buffer Size: 87380 debug1: Client protocol version 2.0; client software version OpenSSH_5.8p1-hpn13v11 SSH: Server;Ltype: Version;Remote: 127.0.0.1-52212;Protocol: 2.0;Client: OpenSSH_5.8p1-hpn13v11 debug1: match: OpenSSH_5.8p1-hpn13v11 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.8p1-hpn13v11 debug1: permanently_set_uid: 1024/100 debug1: MYFLAG IS 1 debug1: list_hostkey_types: ssh-rsa,ssh-dss,ecdsa-sha2-nistp256 debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: AUTH STATE IS 0 debug1: REQUESTED ENC.NAME is 'aes128-ctr' debug1: kex: client->server aes128-ctr hmac-md5 none SSH: Server;Ltype: Kex;Remote: 127.0.0.1-52212;Enc: aes128-ctr;MAC: hmac-md5;Comp: none debug1: REQUESTED ENC.NAME is 'aes128-ctr' debug1: kex: server->client aes128-ctr hmac-md5 none debug1: expecting SSH2_MSG_KEX_ECDH_INIT debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: KEX done debug1: userauth-request for user joeuser service ssh-connection method none SSH: Server;Ltype: Authname;Remote: 127.0.0.1-52212;Name: joeuser debug1: attempt 0 failures 0 debug1: Config token is loglevel debug1: Config token is logingracetime debug1: Config token is permitrootlogin debug1: Config token is rsaauthentication debug1: Config token is pubkeyauthentication debug1: Config token is authorizedkeysfile debug1: Config token is challengeresponseauthentication debug1: Config token is usepam debug1: Config token is allowtcpforwarding debug1: Config token is chrootdirectory debug1: Config token is subsystem debug1: PAM: initializing for "joeuser" debug1: PAM: setting PAM_RHOST to "localhost" debug1: PAM: setting PAM_TTY to "ssh" debug1: userauth-request for user joeuser service ssh-connection method password debug1: attempt 1 failures 0 debug1: do_pam_account: called Accepted password for joeuser from 127.0.0.1 port 52212 ssh2 debug1: monitor_child_preauth: joeuser has been authenticated by privileged process debug1: PAM: establishing credentials User child is on pid 9129 debug1: Entering interactive session for SSH2. debug1: server_init_dispatch_20 debug1: server_input_channel_open: ctype session rchan 0 win 65536 max 16384 debug1: input_session_request debug1: channel 0: new [server-session] debug1: session_new: session 0 debug1: session_open: channel 0 debug1: session_open: session 0: link with channel 0 debug1: server_input_channel_open: confirm session debug1: server_input_global_request: rtype [email protected] want_reply 0 debug1: server_input_channel_req: channel 0 request pty-req reply 1 debug1: session_by_channel: session 0 channel 0 debug1: session_input_channel_req: session 0 req pty-req debug1: Allocating pty. debug1: session_new: session 0 debug1: session_pty_req: session 0 alloc /dev/pts/1 debug1: server_input_channel_req: channel 0 request shell reply 1 debug1: session_by_channel: session 0 channel 0 debug1: session_input_channel_req: session 0 req shell debug1: Setting controlling tty using TIOCSCTTY. debug1: Received SIGCHLD. debug1: session_by_pid: pid 9130 debug1: session_exit_message: session 0 channel 0 pid 9130 debug1: session_exit_message: release channel 0 debug1: session_by_tty: session 0 tty /dev/pts/1 debug1: session_pty_cleanup: session 0 release /dev/pts/1 Received disconnect from 127.0.0.1: 11: disconnected by user debug1: do_cleanup debug1: do_cleanup debug1: PAM: cleanup debug1: PAM: closing session debug1: PAM: deleting credentials Here you have the full output of sshd -dd, together with ssh -vv. Bash: # bash --version GNU bash, version 3.2.49(1)-release (arm-none-linux-gnueabi) Copyright (C) 2007 Free Software Foundation, Inc. The bash binary was cross compiled from source. I also tried using a pre-compiled binary from the Optware distribution, but had the exact same problem. I checked for missing shared libraries using objdump -x, but they're all there. Any ideas what could be causing this "Permission denied, please try again."? I'm almost diving in the bash source code to investigate, but trying to avoid hours chasing something that may be silly.

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  • Why Freezing when sending email?

    - by Outlaw Lemur
    So i have a kinect program which when it detects a human, it saves images of them and sends your email a notification email, the thing is that when it sends the email, it freezes and stops running, Why does it do this? Email Notification Code: void SendNotificationEmail() { string email = textBox1.Text; string message = "Someone has been detected in your house!\n Go to www.kinected.webs.com to view your photos now!!!!"; System.Net.Mail.MailMessage emailsend = new System.Net.Mail.MailMessage(); emailsend.To.Add(email); emailsend.Subject = "There is an Intruder In Your Home!"; emailsend.From = new System.Net.Mail.MailAddress("[email protected]"); emailsend.Body = message; System.Net.Mail.SmtpClient smtp = new System.Net.Mail.SmtpClient("smtp.mail.yahoo.com."); smtp.Send(emailsend); } When its supposed to fire: void nui_ColorFrameReady2(object sender, ImageFrameReadyEventArgs e) { // 32-bit per pixel, RGBA image xxx PlanarImage Image = e.ImageFrame.Image; //int deltaFrames = totalFrames - lastFrameWithMotion; //if (totalFrames2 <= stopFrameNumber & deltaFrames > 300) { ++totalFrames2; string bb1 = Convert.ToString(totalFrames2); // string file_name_3 = "C:\\Research\\Kinect\\Proposal\\Depth_Img" + bb1 + ".jpg"; xxx string file_name_4 = "C:\\temp\\Kinect1_Img" + bb1 + ".jpg"; video.Source = BitmapSource.Create( Image.Width, Image.Height, 96, 96, PixelFormats.Bgr32, null, Image.Bits, Image.Width * Image.BytesPerPixel); BitmapSource image4 = BitmapSource.Create( Image.Width, Image.Height, 96, 96, PixelFormats.Bgr32, null, Image.Bits, Image.Width * Image.BytesPerPixel); if (PersonDetected == 1) { if (totalFrames2 % 10 == 0) { image4.Save(file_name_4, Coding4Fun.Kinect.Wpf.ImageFormat.Jpeg); SendNotificationEmail(); PersonDetected = 0; // lastFrameWithMotion = totalFrames; // topFrameNumber += 100; } } } } Thanks for any help!

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  • Windows 2008 Print Server issue

    - by HokieMike
    I have a dedicated windows 2008 server I use as a file server and print server at my home office. Whenever I print documents from one of my clients, I see the document hit the queue on the server immediately (says its in "printing" status), but it takes FOREVER to print out (like over 5 minutes). But, printing the same document locally from the server takes 4 seconds. It's an HP 1006P laser printer. I am running 32-bit 2008 Server. Installed the Vista drivers ( updated to latest version ). Tried updating the drivers on the clients too and no dice. Any ideas on how to troubleshoot?

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  • Most efficient way to use a laptop like a desktop? [closed]

    - by user74757
    When I'm at home (which is the vast majority of the time now in Summer), I rarely use my laptop away from my desk. When it is at the desk, I plug in a monitor through HDMI, a power cable, and a mouse and keyboard that always stay there. I was wondering if anyone had any recommendations as to a good dock or product that does a good job of transforming a laptop into a true "desktop replacement." Ideally, it would allow all the connections to remain in place, with minimal effort to take the laptop in and out of the fixture. Thanks for any suggestions!

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