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• Is there analog of aticonfig --set-powerstate for open source radeon driver?

  - by vava

  I'm running Ubuntu 9.04 on relatively old laptop with ATI Mobility x600 inside. On the last version of Ubuntu, when I was able to run proprietary fglrx driver, I was able to slow down graphic card by aticonfig --set-powerstate 1 and save some battery charge. Now I forced to run open source driver as ATI decided to drop support for old cards. But I can't find a way to control power states now except relying on DynamicClocks option in xorg.conf. But I really know better when and what powerstate I want, so is there a tool that let me change power state manually or at least let me somehow change the behavior of automatic power state selection?

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• Converting PDF eBooks into a Kindle format

  - by Ender

  Over the past couple of years I've amassed quite a collection of guides, tutorials and ebooks in PDF format. A lot of these are quite useful for work, especially PDF documentation, and rather than have to be at a computer every time I want to read how to do something in Sitecore or to read through a software testing ebook I'd like to do it on my brand-spanking-new Kindle. However, even though there is now a native PDF reader on the Kindle due to the nature of PDF's they are practically unreadable. The text doesn't wrap due to how PDF's are sized and so far after a bunch of Google searches I've yet to find a viable solution to get my PDF's converted into a readable Kindle format. Sometimes these books have code or pictures/tables in them, but most of the time they're text-heavy and to be honest I'd be surprised if there wasn't a free tool to handle the converting of PDF to one of the (seemingly many) Kindle formats. So, can anyone help me out with this?

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• a load balancing scenario using HAProxy and keepalived shows no performance advantage

  - by chakoshi

  Hi, I am trying to setup a load balanced web server scenario, using two HAproxy load balancers and two debian web servers following this guide http://www.howtoforge.com/setting-up-a-high-availability-load-balancer-with-haproxy-keepalived-on-debian-lenny. the setup is working but the results of simple performance benchmarking is not what I expected. I tried apache benchmark tool to send lots of requests to servers (one time directly testing one of the web servers and the other time testing through the load balancer) using the command "ab -n 1000000 -c 500 http://IP/index.html", but the test results shows better performance for the single server without load balancer. can any one tell me if I'm going wrong on some thing?

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• Backup SQL server db issue: delete old backup files

  - by David.Chu.ca

  I tried to use sqlmaint.exe tool to back up a database on a remote PC. Here is an example of backup: sqlmaint.exe -S remoteSQLServer\SQLInstance -U username -P pwdxxx -D myDB -BkUpMedia DISK -BkUpDB C:\MSSQL_Backups -DelBkUps 3days ... Here I specified to delete backups older than 3 days. However, the job seems not deleting old bak files on the remote PC(where the SQL server sits). The remote PC has Windows 2008 Server. I also set the C:\MSQL_Backups as shared network drive for EnyOne as owner. My understanding is that the job will delete any bak files older than 3 days. Not sure what I missed? By the way, the job runs at a box with SQL server 2005 installed.

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• How to access Windows Registry from DOS

  - by SEARAS

  How to access Windows Registry from DOS? I need to access registry from DOS, while I boot from DOS bootable disk. I've searched all the internet, and found only Offline NT Password and Registry Editor, which can not be used in DOS, as I understand. Also I've found RegView (from many mirrors), which isn't working too (I've tried many instructions). Is there any easy-in-usage tool, like reg.exe, which is able to load registry hives, so that I can change registry values?? Or any working instructions ?? Note: I already have a bootable drive, which can read/write to NTFS drives. Thanks in advance!

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• Deleted one membership table. Possible to import without breaking relationship?

  - by superexsl

  Hey, I hope this isn't going to be tricky/time consuming, so fingers crossed. I'm working with the ASP.NET membership table. However, I've got quite a few other tables that I've built, and most of them have a relationship with the dbo.aspnet_Membership table. I've accidentally deleted the dbo.aspnet_Membership table and can't get it back. There was no major data on it, (as it's on my local machine), but I would really like to copy and paste that one table from another database I have, mainly for the sake of not breaking the schema. Is this possible? I'm worried if I run the Aspnet_regsql.exe tool, it's going to break the schema and remove all data from the tables as well the relationships (which would take a while to re-establish). Is there any way I can import just the dbo.aspnet_Membership table into my current database? Thanks for the any advice!

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• Rename multiple files as "Modified Date/Time" using cmd or Powershell

  - by Mehper C. Palavuzlar

  I have hundreds of JPG files in a folder. I want to rename each file so that the file name is replaced with "Modified Date/Time" of that file, namely DD.MM.RRRR.HH.MM.jpg. For example, Before After 001.jpg 11.01.2011.16.58.jpg 002.jpg 12.01.2011.09.32.jpg 003.jpg 14.01.2011.12.41.jpg ... ... Since colon (:) cannot be used in file names, the colon between HH and MM must be replaced with a period. I don't want to use a 3rd party tool. Can you provide me with the code to achieve this in Powershell or command line?

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• How can I reroute a sub-domain to localhost + port number?

  - by urig

  I have several web applications running on my developer machine. They mimic our production web applications which are hosted on sub-domain. For example, consider: api.myserver.com - is mimicked by 127.0.0.1:8000 www.myserver.com - is mimicked by 127.0.0.1:8008 and so on... How can I make it so that, on my Windows 7 machine, HTTP calls to "api.myserver.com" (note the lack of port number) are redirected to 127.0.0.1:8000 etc? Note that this needs to apply both to client-side calls (in the browser) and server-side calls (from IIS to Python development server and vice versa). Do I need a proxy to run locally to achieve this? Can you recommend such a tool?

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• PRNG test suite: bitstream and stream length

  - by Martin Trigaux

  On the NIST website, there is a tool called sts (Statistical Test Suite) that allow us to rest the validity of a pseudo-random number generator based on a stream of bits in input. When running the program, there is two variables I am not sure to understand : the stream length and number of bitstream. Is the stream length the size of the file ? The number of bit inside ? The size of a bitstream ? Are the bitstreams subset of the whole file ? Chosen how ? Let say I have a text file containing 1,000,000 bits in ascii. What should be my arguments ? You can find the user manual here if needed (I didn't find explanation about what are these variables in it). Thank you

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• Alternative shell apps for OS X

  - by Joseph Silvashy

  This might sound ridiculous, but my eyes are tired of looking at the crappy font rendering in OS X's Terminal.app, is there anything you guys recommend? I know it's like one of those things that you can easily say, "It's shell! what more can you ask for!" but really, all these great methods for rendering fonts and anti-aliasing, and we developers haven't even integrated that into our most trusty tool... at least that I know of. Anyhow, let's discus shell alternatives, thoughts?

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• IE9 HANGS: jquery based webapp hanging ONLY with IE9

  - by Daniele B

  I'm stuck on this issue since days... This is the site I'm talking about. It is a webapp which makes large use of backbone, visualsearch, jquery plugins. This website is not working at the moment with IE8, but it's fine that it works with IE9...if just it would! What happens is that the website hangs when loaded ONLY with IE9 and (this is bizarre!) if the profiler tool of IE9 developer tools is ON it doesn't!! It also happens to oher people (I was notified of that) so I'm pretty sure it's not an issue linked to my browser settings. It makes me think about an error which has something to do with delays, or iterative functions which, in presence of profiler, are forced to delay bte cycles and so to leave free time slots to other functions which render the page. I can update with more details if needed. thanks.

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• How do I tell if my firewire connection is running as 400 or 800?

  - by Tom

  I have a MacBook Pro with FireWire 800 and a freecom external harddrive that has USB3, FireWire 400 and 800. I am using a Nikkai FireWire 800 cable that has 800 connector on one end and a 400 connector on the other end. The 800 connector is attached to the MacBook pro and the 400 connector is attached to the freecom drive. Is there any way to tell what connection has been established? I looked at disk utility and it simply said 'FireWire'. Is there a command-line tool that would give more information? If it's 400, I plan to swap the cable for 800 connector at both ends.

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• Monitoring server room temperature

  - by user640

  I have a small server room with its own AC unit. Recently, the AC died, and the temperature increased from 70 F to 90 F. We rarely go in this room, so I was lucky that someone happened to notice that the fans were running a lot louder than normal as they walked past the door. It looks like I need a way to be notified when the temperature in that room gets too hot. What tools are you using to monitor the temperature in your server room? How does this tool notify you of a problem (email, SNMP, etc). Note: I've read this question on server temperature, but I'm interested in the whole room, not just the inside of a server case. Edit: Thanks for all the great responses so far! Many of these products measure much more than just temperature. What else should I be looking at and why?

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• capture nimbuzz traffic

  - by lurscher

  I need to capture all the traffic, specially during login, between nimbuzz pc client and nimbuzz server. The reason is that i need to debug outgoing packets at login that mark the user visibility status in order to reproduce them in a in-house XMPP client application I've tried doing this with wireshark, but i seem to be pretty helpless with this tool. Also, the packets i've been able to see are all before the SASL negotiation happens, after that, i cannot see the xml packets being exchanged any help for how to achieve this task is greatly appreciated (preferably on Windows, since there is no nimbuzz client for linux, in any case i can install one in a VM and monitor the traffic between the VM instance in the linux host)

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• Best way to compare (diff) a full directory structure?

  - by Adam Matan

  Hi, What's the best way to compare directory structures? I have a backup utility which uses rsync. I want to tell the exact differences (in terms of file sizes and last-changed dates) between the source and the backup. Something like: Local file Remote file Compare /home/udi/1.txt (date)(size) /home/udi/1.txt (date)(size) EQUAL /home/udi/2.txt (date)(size) /home/udi/2.txt (date)(size) DIFFERENT Of course, the tool can be ready-made or an idea for a python script. Many thanks! Udi

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• Encrypt tar file asymmetrically

  - by DerMike

  I want to achieve something like tar -c directory | openssl foo > encrypted_tarfile.dat I need the openssl tool to use public key encryption. I found an earlier question about symmetric encryption at the command promt (sic!), which does not suffice. I did take a look in the openssl(1) man page and only found symmetric encryption. Does openssl really not support asymmetric encryption? Basically many users are supposed to create their encrypted tar files and store them in a central location, but only few are allowed to read them.

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• how to copy sql server database on same server

  - by Sam

  I've got a SQL Server 2008 and want to make a copy of a database so I've got a 2nd Version of the database for testing on the same server. The database copy wizard is not able to copy the database, it always sends funny error Messages about missing objects (using SMO copy). When I try to make a backup and restore it under a different database name it still keeps the file names of the original database and overrides this (crashing the original database). So how do I copy a SQL database? Shutdown SQL Server, copy the physical files and attach them? Maybe a command line tool for database copy? Shouldn't there be an easy way to make a copy?

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• setup PXE (i.e. DHCP + TFTP) server on MacOSX

  - by Albert

  What is the easiest way to setup an PXE server (i.e. a DHCP server + TFTP server) on MacOSX? Is there maybe some easy-to-use tool which just comes with both servers builtin? I have done that in the past but I remember that it took me several hours of editing some config files of tftpd (I think) and different versions of dhcpd, many trials and errors until I got it working (mostly). Now I have a fresh MacOSX installation and I want to avoid any complicated setup.

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• Difference in behavior of reboot

  - by LinuxPenseur

  Hi, I have 2 machines running linux. In one machine, the reboot command is an executable normally found in all linux distributions. In the second machine the reboot command is a shell script customized using some other hardware tool commands to reboot the system. One behavior difference between the 2 machines is that when i execute reboot command on the first machine, it shows another shell prompt and then only reboots. But in the case of second machine, it reboots without showing a shell prompt. I expect the second machine to behave the same way as first machine when reboot command is given. Currently i am analyzing the source code of shutdown.c and halt.c normally found in linux distributions, so that i can find out the implementation which produces the shell propmt on reboot and use that in the shell script in second machine. Kindly give me some pointers on where i should start looking to find the implementation. Thanks

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• Problem whit usb wireless mouse

  - by aiacet

  Recently i have thi problem whit my wireless mouse (Trust model on: www.trust.com/15313). Sometimes when i start the Pc or during a game the pointer/arrow stop to move it. In the Pc start the pointer is blocked on the center of the screen. If I'm lucky i have to chance the USB wirless adapter from port 1 to port 2 but sometimes this trick doesn't work i to use the mouse i have to restart. Like you can see in the productor webpage this mouse don't have the direver but only a tool to solve some problem. Thank you in advance to all the "super-users" that reading this question would be help me Ajax

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• Converting a DWG/DXF to CSV or Excel

  - by Menno Gouw

  I'm using ZWcad and i need to get the coordinates of hundreds of blocks into a excel sheet or .CSV file so i can import that into the GPS hardware. I know there are plenty of tools for autocad, i probably can even write one myself but as far as ZWcad goes i seem to be out of options. However ZWcad saves to DWG too, and exports to all the other familiar cad extensions. So i was wondering if i would just save the blocks i need to export to a certain file there might be a tool/program to convert that directly into .CSV.

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• What is the simplest way to confirm or to disprove that Virtual Box virtual machines support GRE protocol

  - by mbaitoff

  It is stated in VirtualBox manual (chapter 6) that VM network interfaces in "NAT" mode do not support GRE protocol. I'm currently trying to setup a pair of VMs as pptp server and client which would communicate via VM's network interfaces in "INTERNAL NETWORK" mode. I set up modern Linux OSes with pptp software on both machines and made some basic pptp configuration. However, I fail to connect the client to the server - server reports a failure when writing to GRE socket. I now need a quick proof of principal ability to use the GRE protocol between VirtualBox VMs over a network in "INTERNAL" mode, such as a several-line .c program that would try to open/send/receive/close a GRE protocol connection, or like a specific lightweight tool to diagnose the GRE availability. Any suggestions?

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• Any Application to bind various documents

  - by Codeslayer

  I communicate with the client using various tools such as MS Outlook,Mailing through Google/ Yahoo accounts, sending Word or Excel documents as attachments through this mail. What I am looking at is there any tool which will help me in binding all these documents so that I may be able to virtually bind all these documents of a particular client. For example all these documents were sent to Client A 2 Outlook mails without attachment 2 Web mails with MS-Word attachment 1 Web Mail with Excel attachment Now I wish I had a document which would bind the Outlook mail bodies as text files MS-Word documents Excel document Previous versions of MS-Office had Office Binder. Is there something similar to this Thanx.

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• How to determine if a file has been backed up?

  - by Console

  I try to consolidate old drives to new ones of larger capacity. Sometimes files have been renamed, but are otherwise identical. Sometimes an old directory has just a few more files in it than a newer directory with the same name. Sometimes a file has the same name but the size differs. So I often find myself asking the question: Are there any files on this old drive or directory that I haven't already copied to the new drive? I just want to know that I have the files, I don't want to try and sync stuff automatically (Syncing tools tend to just sync, creating duplicate folder structures and other problems, so I prefer to do it by hand). Basically, if an old drive has a file called "foo.bar" ten directories deep, and my new big drive has an identical file called "oldstuff.zip" in the root, I just want a "yes you have it" or "no, unique files exist". Is there a free tool, a script or a quick and easy method (Mac/Unix or Windows) to get the answer?

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• vps like [load] graphs

  - by foober

  I investigated a couple of tools but they were really annoying and not polished. kSar for exampe is supposed to graph sar output, but it doesn't work. There's a perl script around (sar2rrd) that's supposed to convert sar output in rrd format and generate graphs. Doesn't work. (at least it doesn't like the output of "atsar" as per debian/ubuntu package). Tried munin but it wants to mess with http servers, and for some reason it didn't really work, too. It displayed errors in the webpage generated by the http server it put on port 4949. So, is there a simple install and forget tool to generate daily load,cpu,memory,network graphs? It seems strange to me that this problem has not been solved, maybe I'm looking in the wrong places

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