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• therubyracer on Ubuntu install issues with ruby-2.0.0-p247

  - by Victor S

  I can't seem to get therubyracer gem installed on ubuntu, i get the following errors, anyone can help? ERROR: Error installing therubyracer: ERROR: Failed to build gem native extension. /home/victorstan/.rvm/rubies/ruby-2.0.0-p247/bin/ruby extconf.rb checking for main() in -lpthread... yes creating Makefile make compiling constraints.cc compiling array.cc compiling value.cc compiling invocation.cc compiling primitive.cc compiling trycatch.cc compiling context.cc compiling exception.cc compiling template.cc compiling accessor.cc compiling object.cc compiling script.cc compiling external.cc compiling stack.cc compiling gc.cc compiling backref.cc compiling heap.cc compiling v8.cc compiling constants.cc compiling date.cc compiling function.cc compiling rr.cc compiling message.cc compiling init.cc compiling string.cc compiling handles.cc compiling signature.cc compiling locker.cc linking shared-object v8/init.so g++: /home/victorstan/.rvm/gems/ruby-2.0.0-p247@global/gems/libv8-3.11.8.17-x86_64-linux/vendor/v8/out/ia32.release/obj.target/tools/gyp/libv8_base.a: No such file or directory g++: /home/victorstan/.rvm/gems/ruby-2.0.0-p247@global/gems/libv8-3.11.8.17-x86_64-linux/vendor/v8/out/ia32.release/obj.target/tools/gyp/libv8_snapshot.a: No such file or directory make: *** [init.so] Error 1 Update It seems it's trying to use a 32 bit library instead of a 64 bit library, anyone else experience issue trying to install 64 bit applications and packages on Ubuntu, and it trying to install 32 bit version instead (even though the system is a 64 Linux)? Related: https://github.com/cowboyd/therubyracer/issues/262

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• Generic/Text Printer on Windows 7 not prompting for file name

  - by FantaFan

  Guys & gals, Hope someone can shed some light on this. I am downloading reports from an AIX-based system by directing them to a TT printer which the terminal emulator (MultiView 2000) intercepts and directs to the default printer on the local system. This local printer is configured as a vanilla Generic/Text printer attached to a FILE port. When I print from AIX, the output is spooled down and the local printer prompts for a file name into which to save the file...but not under Windows 7. This has worked fine for many years, on both Win2K and WinXP. However, on Windows 7 the output gets spooled as a file into spool\PRINTERS (and looks as expected) but the print job then hangs with a status of "Error - Printing" and never prompts for a file name. I have to cancel the job. The Generic/Text printer works as expected with other applications. I have tried setting the printer to print directly rather than spooling but this only serves to hang the terminal session too. I've also tried to run the emulator in Windows 2000 Compatibility Mode and as Administrator in case it was something like that but with no luck. As you might expect, it does work fine in XP Mode (as long as I print to a printer defined therein and not the host's printer) but operationally this isn't going to be an option. Obviously this emulation software is a decade old (at least) and I could just cross/upgrade all the users (at a cost) but, before I do so, has anyone seen this sort of behaviour before and found some sort of fix? Remote OS: AIX 5 Client OS: Windows 7 Pro (32-bit) Printer: Generic/Text on a FILE port TE Software: MultiView 2000 (32-bit) Thanks in advance.

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• Connecting Adium to Google Talk with a 2-factor authentication account isn’t working

  - by Robin

  Anyone else having this problem? After turning on 2-factor authentication on my Google Account I stopped being able to log in through Adium (Mac IM client that uses Pidgin’s libpurple for IM). Obviously you need to generate an application-specific password but these won’t let me log in. Application specific passwords work with other applications (e.g. Reeder for feeds and calendering on my phone). Google specifically mention Adium in their examples of setting up an application password for Google Talk so I doubt it’s a generic Adium problem. I can still access Google Talk for this account if I use a talk widget on a Google Website (Plus, or iGoogle for example). My bug report to Adium including a connection log file is up on their Trac: http://trac.adium.im/ticket/15310 . No activity there though. I also asked around in their IRC channel but no-one else could replicate the problem. If I had to guess then I’d think it was a consequence of me not having a GMail account associated with my Google account. I don’t see exactly why that would cause it, but it seems like a fairly unusual setup that might not have been tested for.

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• How to reset Bash on Mac OSX, .bash_profile corrupted and bash no longer works

  - by user1463172

  I am on a MacBook Pro, running the latest version of Mountain Lion. I really need some help, I have managed some how to damage my .bash_profile (I think) so that every time I open up the terminal I get the error listed below. -bash: export: `/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/local/go/bin': not a valid identifier -bash: export: `/Users/rob/Applications/sbt/bin:': not a valid identifier env: bash: No such file or directory env: bash: No such file or directory env: bash: No such file or directory env: bash: No such file or directory env: bash: No such file or directory -bash: tar: command not found -bash: grep: command not found -bash: cat: command not found -bash: find: command not found I am not sure what has happened, I have no sudo, cd or any normal commands. The only way I have been able to get to any of the main directories is through the go to folder command in finder and try to find the file to no avail. To top it all off I think I created a file that might be causing the issue, I wanted to edit the .bash_profile so I typed sudo nano ./bash_profile This open a new file in nano which I think was then saved. After this I opened the real .bash_profile to add in the path for node.js. If I can get to the .bash_profile I think I can get it back on track but I can't find it, should I reinstall bash? If so how would I do that on a mac, I tried using brew install bash to which I get -bash: brew: command not found I am really stuck if anyone can help I would be really appreciated. Many thanks

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• Mac OS X 10.6 Setup for Apache/MySQL/Perl

  - by Russell C.

  I just got a new Mac and have been trying to setup a local development environment for my perl applications for a few days now with no luck. I'm getting no where fast so I hope someone else who has done this successfully could help. I started by installing MAMP which I thought would take care of everything for me but unfortunately it doesn't take care of some important perl modules. I used CPAN to install all our required modules except that it seems DBD::mysql doesn't install correctly through CPAN. After reading a lot online, lots of people reported problems with this and recommended using MacPorts to install the module which I have tried doing with no luck using the following command: sudo port install p5-dbd-mysql After what seems like a successful install of DBD::mysql, Apache continues to report the following error when trying to run any of our Perl scripts: [Fri Apr 30 18:51:07 2010] [error] [client 127.0.0.1] install_driver(mysql) failed: Can't locate DBD/mysql.pm in @INC (@INC contains: /Library/Perl/Updates/5.10.0/darwin-thread-multi-2level /Library/Perl/Updates/5.10.0 /System/Library/Perl/5.10.0/darwin-thread-multi-2level /System/Library/Perl/5.10.0 /Library/Perl/5.10.0/darwin-thread-multi-2level /Library/Perl/5.10.0 /Network/Library/Perl/5.10.0/darwin-thread-multi-2level /Network/Library/Perl/5.10.0 /Network/Library/Perl /System/Library/Perl/Extras/5.10.0/darwin-thread-multi-2level /System/Library/Perl/Extras/5.10.0 .) at (eval 1835) line 3. [Fri Apr 30 18:51:07 2010] [error] [client 127.0.0.1] Perhaps the DBD::mysql perl module hasn't been fully installed, [Fri Apr 30 18:51:07 2010] [error] [client 127.0.0.1] or perhaps the capitalisation of 'mysql' isn't right. [Fri Apr 30 18:51:07 2010] [error] [client 127.0.0.1] Available drivers: DBM, ExampleP, File, Gofer, Proxy, SQLite, Sponge. I'm not sure where to go from here but my Mac isn't much of a development environment if Perl isn't able to talk to the database. I'd really appreciate any help and advice you might be able to provide in getting my system setup successfully. Thanks in advance!

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• Terminal Server 2008: Installing 16-bit Application (FoxPro 2.6)

  - by JohnyD

  I have one physical Windows 2008 R2 server running Hyper-V. Running under Hyper-V I have a virtual Windows Server 2008 R2 server running Remote Desktop Services (Terminal Services). I'm preparing my applications using the "Install Application on Remote Desktop..." control panel app. So far so good. However, I am now trying to install FoxPro 2.6 which is a 16-bit windows application. When I try to install it I receive the message: "The version of this file is not compatible with the version of Windows you're running. Check your computer's system information to see whether you need an x86 (32-bit) or x64 (64-bit) version of the program, and then contact the software publisher". Is there any way around this? I'm in the middle of a large migration to thin-clients and foxpro 2.6, while it won't be around forever, is a very integral application for our data-entry personnel. How can I get this to work? Thanks in advance!

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• BIOS interrupts, priviledge levels and paging

  - by Jack

  Hi, I was learning about Intel 8086-80486 CPUs and their interactions with HW. But I still don´t understand it quite well. Please, help me fill blank spots. First, I know that CPU communicates with HW using BIOS interrupts. But, what really happens in PC, when I call some INT instruction? I know that according the interrupt table some instructions begin to execute, but how by executing some instructions can BIOS recognize what I want to do? Becouse as far as I know, CPU has no extra communication channel with BIOS, it can only adress memory and receive data. So how can I instruct BIOS to do something, when I can only adress RAM? Next thing I dont understand is about priviledge levels. I know about ring model, and acess rights, but how CPU knows which priviledge level has executed instruction? I think that these priviledges apply only when intruction is trying to adress memory, but how applications gets its priviledge level? I mean I know its level 3, but how its set? And last thing, I know that paging is adress scheme that is used to support aplication-transparent virtual memory, or swaping, but I could not find any informations about how is paging tied with protected mode. Like if paging is like next mode independent of protectet mode, or its somehow implemented within protected mode. And if it is implemented in protected mode, isn´t it too slow, to first adress application space, than offset, and than paging folder, page and offset once again? Thank you for every response.

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• Problem with squid log files

  - by Gatura

  I am using SARG to get a report on the squid log files, I get this result /usr/local/Sarg/bin/sarg -l /usr/local/squid/var/logs/access.log SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% SARG: Records in file: 0, reading: 0.00% sort: open failed: +6.5nr: No such file or directory SARG: (index) Cannot open file: /Applications/Sarg/reports/index.sort SARG: Records in file: 0, reading: 0.00% What could be the problem?

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• BSOD Dump - EXCEPTION_DOUBLE_FAULT - ON Windows 2008 Server 64bit

  - by Mark K

  Hello, my windows 2008 server (datacenter ed) 64bit , have recently created a series of BSOD on a different applications. the error message is in general EXCEPTION_DOUBLE_FAULT. Can anyone please help with the analysis of the dump file bellow- Best regards, Mark 2: kd !analyze -v * Bugcheck Analysis * * UNEXPECTED_KERNEL_MODE_TRAP (7f) This means a trap occurred in kernel mode, and it's a trap of a kind that the kernel isn't allowed to have/catch (bound trap) or that is always instant death (double fault). The first number in the bugcheck params is the number of the trap (8 = double fault, etc) Consult an Intel x86 family manual to learn more about what these traps are. Here is a portion of those codes: If kv shows a taskGate use .tss on the part before the colon, then kv. Else if kv shows a trapframe use .trap on that value Else .trap on the appropriate frame will show where the trap was taken (on x86, this will be the ebp that goes with the procedure KiTrap) Endif kb will then show the corrected stack. Arguments: Arg1: 0000000000000008, EXCEPTION_DOUBLE_FAULT Arg2: 0000000080050033 Arg3: 00000000000006f8 Arg4: fffff800018b1678 Debugging Details: BUGCHECK_STR: 0x7f_8 CUSTOMER_CRASH_COUNT: 1 DEFAULT_BUCKET_ID: DRIVER_FAULT_SERVER_MINIDUMP PROCESS_NAME: CustomerService. CURRENT_IRQL: 1 EXCEPTION_RECORD: fffffa6004e45568 -- (.exr 0xfffffa6004e45568) ExceptionAddress: fffff800018a0150 (nt!RtlVirtualUnwind+0x0000000000000250) ExceptionCode: 10000004 ExceptionFlags: 00000000 NumberParameters: 2 Parameter[0]: 0000000000000000 Parameter[1]: 00000000000000d8 TRAP_FRAME: fffffa6004e45610 -- (.trap 0xfffffa6004e45610) NOTE: The trap frame does not contain all registers. Some register values may be zeroed or incorrect. rax=0000000000000050 rbx=0000000000000000 rcx=0000000000000004 rdx=00000000000000d8 rsi=0000000000000000 rdi=0000000000000000 rip=fffff800018a0150 rsp=fffffa6004e457a0 rbp=fffffa6004e459e0 r8=0000000000000006 r9=fffff8000181e000 r10=ffffffffffffff88 r11=fffff80001a1c000 r12=0000000000000000 r13=0000000000000000 r14=0000000000000000 r15=0000000000000000 iopl=0 nv up ei pl zr na po nc nt!RtlVirtualUnwind+0x250: fffff800018a0150 488b02 mov rax,qword ptr [rdx] ds:00000000000000d8=???????????????? Resetting default scope LAST_CONTROL_TRANSFER: from fffff800018781ee to fffff80001878450 STACK_TEXT: fffffa6001768a68 fffff800018781ee : 000000000000007f 0000000000000008 0000000080050033 00000000000006f8 : nt!KeBugCheckEx fffffa6001768a70 fffff80001876a38 : 0000000000000000 0000000000000000 0000000000000000 0000000000000000 : nt!KiBugCheckDispatch+0x6e fffffa6001768bb0 fffff800018b1678 : 0000000000000000 0000000000000000 0000000000000000 0000000000000000 : nt!KiDoubleFaultAbort+0xb8 fffffa6004e44e30 fffff800018782a9 : fffffa6004e45568 0000000000000001 fffffa6004e45610 000000000000023b : nt!KiDispatchException+0x34 fffffa6004e45430 fffff800018770a5 : 0000000000000000 0000000000000000 0000000000000000 0000000000000001 : nt!KiExceptionDispatch+0xa9 fffffa6004e45610 fffff800018a0150 : fffffa6004e46638 fffffa6004e46010 fffff80001965190 fffff8000181e000 : nt!KiPageFault+0x1e5 fffffa6004e457a0 fffff800018a3f78 : fffffa6000000001 0000000000000000 0000000000000000 ffffffffffffff88 : nt!RtlVirtualUnwind+0x250 fffffa6004e45810 fffff800018b1706 : fffffa6004e46638 fffffa6004e46010 fffffa6000000000 0000000000000000 : nt!RtlDispatchException+0x118 fffffa6004e45f00 0000000000000000 : 0000000000000000 0000000000000000 0000000000000000 0000000000000000 : nt!KiDispatchException+0xc2 STACK_COMMAND: kb FOLLOWUP_IP: nt!KiDoubleFaultAbort+b8 fffff800`01876a38 90 nop SYMBOL_STACK_INDEX: 2 SYMBOL_NAME: nt!KiDoubleFaultAbort+b8 FOLLOWUP_NAME: MachineOwner MODULE_NAME: nt IMAGE_NAME: ntkrnlmp.exe DEBUG_FLR_IMAGE_TIMESTAMP: 4a7801eb FAILURE_BUCKET_ID: X64_0x7f_8_nt!KiDoubleFaultAbort+b8 BUCKET_ID: X64_0x7f_8_nt!KiDoubleFaultAbort+b8 Followup: MachineOwner

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• pGina with automatic Kerberos ticket and OpenAFS token/ticket

  - by rolands

  I am currently updating our educational Windows lab images from XP to 7, In doing so we are also migrating from Comtarsia to pGina. Unfortunately somewhere in the transition our automation that fetched kerberos and OpenAFS tickets/tokens on login has completely stopped functioning. Basically what used to happen was, using kfw-3.2.2 and the old OpenAFS release (loopback adapter days), either comtarsia would share password or something with the NIM (Network Identity Manager) which would authenticate against the kerberos server gaining a ticket and AFS token needed to access the users file, this was aided by the fact that our ldap database that windows authenticates against is also what kerberos uses to authenticate so usernames/passwords are the same across both services. I have set up all of the tools, albeit newer 64bit versions which seem to have given me less trouble than the previous releases of NIM/OpenAFS/Krb5, as well as setting their configurations back to what we used to use. Unfortunately this seems to be fubar'd in some way, instead all we get now is a OpenAFS token, most likely I assume from the AFScreds tool which operates some kind of integrated login process, although this does not help in getting a kerberos ticket or a afs ticket for which a login box is provided be NIM after the user logs in. Does anyone know IF it is possible to do what we are trying, and if so how? I was considering writing a pGina plugin which would interact with the server itself but this seems slightly like overkill considering that all these applications already exist...

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• Cannot run "Automation Anywhere" exe files from console (session 0) on Windows Server 2003 64 bit

  - by Tyler

  I have a simple exe created from an Automation Anywhere task that displays a message box saying hello world. I created this simple exe just for debugging the following issue. When I log in to the console (session 0), and run the Automation Anywhere created executable, it starts to run the task, it shows up in the applications and processes list in the task manager and it shows the two "loading..." windows briefly on the screen, just like normal. But after that, nothing happens... the "hello world" message does not show up. The exe is done and is removed from the application and process list in the task manager. The user I am logged in as, has admin rights and the machine uses "autologin" to automatically log in using this profile when it starts up. If I right click on the exe and "run as" another admin user, the exe runs properly, showing the "hello world" message. Also, if I log into the server in a new session, with the original user (the one that has the problems in session 0), and then run the exe, it runs properly and shows the "hello world". It works fine in any session other than the console session. There is something about the console session that is causing the exe not to run properly... even though it does appear to start running the exe. I should also mention that everything was working fine until Monday at midnight, after which none of the executables could be run successfully. Nothing was changed on the server and no updates were installed. I have since installed windows updates, but that didn't change anything. Looking for some advice on how to get these executables working in the console session again. Thanks!

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• What exactly is a Mobile mouse? + Mouse Recommendation

  - by chobo2

  I am really disappointed with Logitech. My first cordless wireless mouse was from them and it lasted like 5 years. So I decided to get another one from them http://www.futureshop.ca/catalog/proddetail.asp?logon=&langid=EN&sku_id=0665000FS10099373&catid= And this mouse sucks bad. After 6 months it broke. I returned it under warranty and got a new one now 4-6 month later it is on the verge of breaking again.... You pay like $50 for this mouse and it lasts like 6 months that sad. I just lost faith in Logitech mice as I remember my bro also had a logitech mouse too and it broke after like 6 months. He then bought another logitech mouse(different model) that has been working for maybe 2 years(and no signs of breaking) but I am not crazy about the mouse(I don't like the 2 buttons by the wheel) and I not sure if they even sell it(maybe they got rid of it because it lasts too long). http://www.tigerdirect.ca/applications/SearchTools/item-details.asp?EdpNo=1578495&CatId=1285 So I am looking at a Microsoft mouse. http://www.futureshop.ca/catalog/proddetail.asp?logon=&langid=EN&sku_id=0665000FS10125565&catid= I am looking at this one but I am not sure what they mean by mobile mouse. I think that is what MS calls notebook mice. So I am not sure if this would be a good mouse to get for a desktop. I see it uses like a micro usb receiver but I am not sure if it is smaller then a standard mouse. But almost all the mice I looked at at futureshop.ca or staples are labeled notebook mice or mobile mice. So not sure what mice would be right for me. I don't want a corded one though. I really liked the LX6 design alot but it can't last more than 6 months. Thanks

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• Gnome-Applets Package Causing Gnome to Segfault

  - by FranticPedantic

  When I boot ubuntu I get a bunch of windows saying "The panel encountered a problem while loading: OAFIID:GNOME_ShowDesktopApplet", with a bunch of others(5) besides ShowDesktopApplet. I am able to launch a terminal, and I do have the taskbar at the top, although the bar at the bottom that holds the windows is blank, so when I minimize a window it disappears. Furthermore, when I try to launch most applications (firefox for example) it segfaults. I have googled the error but it seems to be common but general issue, and a lot of the solutions that worked for others didn't work for me. I tried deleting the gconf, gnome, and gnome2 folders in my home directory. I tried deleting a bunch of the gnome folders (although I might have done this wrong, I was confused as to which ones). I have also tried to use apt-get and dpkg to re-install ubuntu-desktop and gnome-applets. However, when I try apt-get install ubuntu-desktop I get errors regarding /var/cache/apt/archives/gnome-applets_2.28.0-0ubunt2_amd64.deb I tried dpkg --configure -a and interestingly I get Package gnome-applets is not installed. When I try to use apt-get to install it, that same pesky problem pops up error processing /var/cache/apt/archives/gnome-applets_2.28.0-0ubunt2_amd64.deb (--unpack) subprocess new post-removal script returned error exist status 245 sub process /usr/bin/dpkg returned an error code(1) This file has been popping up with regards to a lot of the solutions suggested I see. Any ideas?

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• swapping or trashing with vast amounts of unmapped pagecache

  - by Marco

  I'm using kubuntu jaunty (i386 32bit), kernel 2.6.28-13-generic. I've 4Gb of RAM, of which only 3317Mb are seen by the system (I guess because of the 32bit system). I'm seeing that the pagecache utilization is continually growing, up to the point that the system is unusable (after a few days). This happens also when I don't do anything (all user applications closed and the bare minimum of services enabled). If enabled, the system starts to use swap space (using it all in the end). Even if swap is disabled, disk activity becomes continuous, with the system unresponsive. For example, right now the system is working (albeit a tad slow), with only firefox and wing ide running, and I have 2Gb cached with only 45Mb mapped: $ free total used free shared buffers cached Mem: 3346388 3247328 99060 0 8416 2117980 -/+ buffers/cache: 1120932 2225456 Swap: 2144668 519448 1625220 $ cat /proc/meminfo MemTotal: 3346388 kB MemFree: 97128 kB Buffers: 7872 kB Cached: 2120224 kB SwapCached: 413860 kB Active: 2304596 kB Inactive: 865984 kB Active(anon): 2279168 kB Inactive(anon): 830236 kB Active(file): 25428 kB Inactive(file): 35748 kB Unevictable: 32 kB Mlocked: 32 kB HighTotal: 2492940 kB HighFree: 5456 kB LowTotal: 853448 kB LowFree: 91672 kB SwapTotal: 2144668 kB SwapFree: 1625244 kB Dirty: 84 kB Writeback: 0 kB AnonPages: 629304 kB Mapped: 45768 kB Slab: 45600 kB SReclaimable: 21756 kB SUnreclaim: 23844 kB PageTables: 4468 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 3817860 kB Committed_AS: 3735020 kB VmallocTotal: 122880 kB VmallocUsed: 9352 kB VmallocChunk: 66600 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 4096 kB DirectMap4k: 16376 kB DirectMap4M: 888832 kB If I try to drop the caches, little happes: # sync ; echo 3 > /proc/sys/vm/drop_caches ; free total used free shared buffers cached Mem: 3346388 3220580 125808 0 3020 2100600 -/+ buffers/cache: 1116960 2229428 Swap: 2144668 519356 1625312 Right now I've vm.swappiness = 5, but I've tried also with 0 and 1 (without noticeable differences). I've also tried vm.vfs_cache_pressure = 50 and 150 (again, no differences). As I said the pagecache eats all memory even with swapping turned off. What is happening? How to avoid this? TIA, Marco

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• swapping or trashing with vast amounts of unmapped pagecache

  - by Marco

  I'm using kubuntu jaunty (i386 32bit), kernel 2.6.28-13-generic. I've 4Gb of RAM, of which only 3317Mb are seen by the system (I guess because of the 32bit system). I'm seeing that the pagecache utilization is continually growing, up to the point that the system is unusable (after a few days). This happens also when I don't do anything (all user applications closed and the bare minimum of services enabled). If enabled, the system starts to use swap space (using it all in the end). Even if swap is disabled, disk activity becomes continuous, with the system unresponsive. For example, right now the system is working (albeit a tad slow), with only Firefox and wing ide running, and I have 2Gb cached with only 45Mb mapped: $ free total used free shared buffers cached Mem: 3346388 3247328 99060 0 8416 2117980 -/+ buffers/cache: 1120932 2225456 Swap: 2144668 519448 1625220 $ cat /proc/meminfo MemTotal: 3346388 kB MemFree: 97128 kB Buffers: 7872 kB Cached: 2120224 kB SwapCached: 413860 kB Active: 2304596 kB Inactive: 865984 kB Active(anon): 2279168 kB Inactive(anon): 830236 kB Active(file): 25428 kB Inactive(file): 35748 kB Unevictable: 32 kB Mlocked: 32 kB HighTotal: 2492940 kB HighFree: 5456 kB LowTotal: 853448 kB LowFree: 91672 kB SwapTotal: 2144668 kB SwapFree: 1625244 kB Dirty: 84 kB Writeback: 0 kB AnonPages: 629304 kB Mapped: 45768 kB Slab: 45600 kB SReclaimable: 21756 kB SUnreclaim: 23844 kB PageTables: 4468 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 3817860 kB Committed_AS: 3735020 kB VmallocTotal: 122880 kB VmallocUsed: 9352 kB VmallocChunk: 66600 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 4096 kB DirectMap4k: 16376 kB DirectMap4M: 888832 kB If I try to drop the caches, little happens: # sync ; echo 3 > /proc/sys/vm/drop_caches ; free total used free shared buffers cached Mem: 3346388 3220580 125808 0 3020 2100600 -/+ buffers/cache: 1116960 2229428 Swap: 2144668 519356 1625312 Right now I've vm.swappiness = 5, but I've tried also with 0 and 1 (without noticeable differences). I've also tried vm.vfs_cache_pressure = 50 and 150 (again, no differences). As I said the pagecache eats all memory even with swapping turned off. What is happening? How to avoid this?

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• Legacy non-dpi-aware application resolution scaling?

  - by Miles Erickson

  Our environment prominently featuers an outdated but absolutely mission-critical Win32 application that is not dpi-aware. It is optimized for an 800x600 display. Most of our users now have 17"-20" displays with native resolutions ranging from 1280x1024 to 1680x1050. However, they still operate these displays at 800x600 because the text in this legacy application is otherwise too small. Of course, it also means that nothing quite fits on the screen in Office 2007. Most of our workstations still run Windows XP, but some are on Windows 7 and there are more to come. About one-third of our users run the app remotely via MS Terminal Services, and the remainder run it locally. Is anyone aware of any method that could be used to scale this specific application to about 170%, so that it would fill a 1280x1024 screen, without affecting other applications that work best at the display's native resolution? I know how to do this in Mac OS X, but I have never found a way to do it in Windows. Of course, this ideally would be something that we could push out via Group Policy. I suppose we even could create a custom MSI package to re-deploy the legacy application with some sort of display virtualization layer, if such a thing exists.

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• Installing messaging software displays error 1324 invalid character

  - by llykke

  Trying to install Reuters Messaging software onto a windows 7 pc we receive the error message Error 1324: The folder path 'My Documents' contains an invalid character We've tried installing the application using the local admin account and the user account which is an AD account (roaming?). This user account has administrative rights (i.e. should be allowed to install applications). The users 'My Documents' folder is located on a network drive, where only the user has access. We've tried experimenting with the HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Explorer\ User Shell Folders registry entries and setting them to a local position (i.e. C:\Users\Username\Documents) but this didn't resolve the error. We've also tried the following which was taken from a website I can't remember the name of: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\FileSystem Select the NtfsDisable8dot3NameCreation entry and change the value to 0 Select the Win31FileSystem entry and change the value to 0 which didn't resolve the issue. Edit: This was also an issue when attempting to install the citrix native client necessary to run citrix application (*.ica extension). This made the same error box appear.

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• most reliable linux terminal app / general procedures for process stability

  - by intuited

  I've been using konsole (KDE 4.2) for a while now but it crashed recently. Konsole is efficiently designed to use one instance for all of the windows for your entire X session. Extra-unfortunately, because of this ingenuity the crash brought down all the humpty-dumptys and their bashes and their bashes' applications and all the begattens' begattens all the way down to Jebodiah Springfield into one big flat nonexistent omelette. The fact that this app is capable of crashing under any circumstances is pretty disappointing. Although KDE 4.2 is not expected to be entirely stable -- and yes, I know, I should update my distro -- it's still a no-sell for me, since if at all possible, this sort of thing Shouldn't Happen to something that's likely to be a foundation for an entire working environment. Maybe this is arrogant and unrealistic, but if it's possible to have something more stable, I want it. So other than running under screen -- which is fun, nifty, and thus far flawless in its reliability, but which has some issues with not understanding certain keycodes -- I'm looking for ways to improve my environment's reliability. The most obvious strategy is to cast about for a more reliable console app. A standard featureset -- which to me includes tabbed windows, Unicode support, and a decent level of keyboard shortcut configuration -- is pretty much essential. I'm currently running gnome-terminal and roxterm, both of which have acceptable featuresets (pretty much identical, actually; I think rox is actually the superset), and neither of which have provided me with extensive, objective reliability data. Not that they were expected to. Other strategies are also welcome. Were I responding to this question I would perhaps suggest backgrounding critical tasks with & and/or disowning them so they don't come down with the global pandemic. And stuff like that.

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• setting up synergy (multi-computer shared input devices) new to mac

  - by pedalpete

  I've just gotten a mac and the first thing I'm trying to do in setting it up for dev is to set-up synergy. I've run into countless issues, and am making progress, but that 'mac's just work' theory is getting tired really fast. I'd prefer running the mac as the server, as it's a desktop. why use my pc(laptop) as the server. So i downloaded synergy, and tried to edit the 'synergy.conf' file. First with textmate, then with apple script. Neither of these applications will open the file. Even after changing textmate to use plain text format and switching off a few other things to make it into a plain text editor. No good. Uh, isn't that what these script/text editors are for? Then I found SyneryKM which is a package to run synergy on osx. Took LOTS of fiddling, but I think I finally kinda got it figured out. I've got my pc & mac both running synergy. However, my pc will only connect to synergy using the ip address. No problem, however, my mac won't connect to itself as a synergy server using the IP address. If I use the ip address as a screen in the 'server configuration file', i get a 'Error: unknown screen name mymac'. I know this shouldn't be super complicated, and possibly not the place to find answers about synergy, but I couldn't find a better place, and there has been some talk of synergy here. Any chance somebody can help with this?

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• Vista logs into black screen, "Application Error 0xc0000022" for explorer.exe

  - by IMAPC

  Whenever I attempt to log into a Windows Vista computer (the only account on it), I'm presented with a black screen & a cursor. I can open Task Manager, and from there I can launch applications. It seems to be using Aero Basic (instead of the full Aero which I had set as default before the problem started). When attempting to launch "explorer.exe" I get "explorer.exe - Application Error 'The application failed to initialize properly (0xc0000022). Click OK to terminate the application.'" Every now and then I get an error along the lines of "the application has failed to start because its side by side configuration is incorrect please see the application event log for more detail." I can boot into safe mode successfully, but I still get the black screen when I log into it in regular mode. I've tried most of the suggestions here, but did not work. I'm attempting to back up everything right now in case the only fix is to reinstall Windows. Has anyone seen this before?

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• Spreadsheet RDBMS

  - by John Nilsson

  I'm looking for a software (or set of software) that will let me combine spreadsheet and database workflows. Data entry in spreadsheet to enable simple entry from clipboard, analysis based on joins, unions and aggregates and pivot/data pilot summaries. So far I've only found either spreadsheets OR db applications but no good combination. OO base with calc for tables doesn't support aggregates f.ex. Google Spreadsheet + Visualizaion API doesn't support unions or joins, zoho db doesn't let me paste from clipboard. Any hints on software that could be used? Basically I'm trying to do some analysis of my personal bank transactions. Problem 1, ETL. The data has to be moved from my bank to a database. My current solution is to manually copy and paste the data into one spread sheet per account from my internet bank. Pains: Not very scriptable. Lots of scrolling to reach the point to paste. Have to apply sorting and formatting to the pasted data each time. Problem 2, analysis. I then want to aggregate the different accounts in one sweep to track transfers per type of transfer over all accounts. The actual aggregation is still unsolved because I can't find a UNION equivalent in the spreadsheets I've tried.

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• How to use cyg-wrapper to fork a new tab in win32 gvim

  - by Peter Nore

  I would like to set up an alias in my cygwin .bashrc that translates pathnames unix-to-dos and passes them to windows gvim in a new tab of an existing instance. I am trying to use Luc Hermitte's cyg-wrapper script for running native win32 applications from Cygwin as per this vim tip. Luc's example of how to use his script is: alias vi= 'cyg-wrapper.sh "C:/Progra~1/Edition/vim/vim63/gvim.exe" --binary-opt=-c,--cmd,-T,-t,--servername,--remote-send,--remote-expr' I do not understand this example because most of these vim parameters (-c,--cmd,--servername,--remote-send,--remote-expr, etc) require more information, and I have not found any example of how to supply the additional information to cyg-wrapper.sh. For example, calling C:/Progra~1/Edition/vim/vim63/gvim.exe --servername=GVIM --remote-tab-silent file1 & will open file1 in a new tab of existing (or non existing) instance GVIM, but calling gvim --servername accomplishes nothing on its own. Unfortunately, though, the corresponding cyg-wrapper phrase does not work: cyg-wrapper.sh "C:/Progra~1/Edition/vim/vim63/gvim.exe" --binary-opt=--servername=GVIM,--remote-tab-silent --fork=2 file1 If ran twice, this actually opens up two instances of gvim; it is as if the servername 'GVIM' is being stripped and ignored. How do you supply a servername to gvim --servername or a .vimrc to gvim -u using cyg-wrapper.sh? Furthermore, why is it that programs must be passed to cyg-wrapper.sh in the relatively obscure "mixed form?" For example, if I try cyg-wrapper.sh "/cygdrive/c/path/to/GVimPortable.exe" --binary-opt=--servername=GVIM,--remote-tab-silent --fork=2 I get "Invalid switch - "/cygdrive"." See also: getting-gvim-to-automatically-translate-a-cygwin-path alias-to-open-gvim-cream-version-from-cygwin-shell

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• Can ping IP address and nslookup hostname but cannot ping hostname

  - by Puddingfox

  I have a DNS server set up on one of my machines using BIND 9.7 Everything works fine with it. On my Windows 7 desktop, I have statically-assigned all network values. I have one DNS server set -- my DNS server. On my desktop, I can ping a third machine by IP fine. I can nslookup the hostname of the third machine fine. When I ping the hostname, it says it cannot find the host. / C:\Users\James>nslookup icecream Server: cake.my.domain Address: xxx.xxx.6.3 Name: icecream.my.domain Address: xxx.xxx.6.9 C:\Users\James>ping xxx.xxx.6.9 Pinging xxx.xxx.6.9 with 32 bytes of data: Reply from xxx.xxx.6.9: bytes=32 time<1ms TTL=255 Reply from xxx.xxx.6.9: bytes=32 time<1ms TTL=255 Reply from xxx.xxx.6.9: bytes=32 time<1ms TTL=255 Reply from xxx.xxx.6.9: bytes=32 time<1ms TTL=255 Ping statistics for xxx.xxx.6.9: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 0ms, Maximum = 0ms, Average = 0ms C:\Users\James>ping icecream Ping request could not find host icecream. Please check the name and try again. I have also specified the search domain as my.domain xxx.xxx and my.domain substituted for security Why can I not ping by hostname? I also can not ping using the FQDN. The problem is that this problem is shared by all applications that resolve hostnames. I cannot use PuTTY to SSH to my machines by hostname; only by IP

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• Windows 7: Don't combine Taskbar Icons, but only display Icons

  - by cable729

  I've never really liked this feature about Win7, but I guess I just got used to it. The feature I don't like is mousing over the win7 icons when there are multiple windows of the same type open. You have to waste that extra time choosing the window after it pops up and it's just clunky. The XP taskbar was nice, because you didn't have to go through any of this, but it had the problem where you ran out of taskbar space fast. I often resized my taskbar to take care of this. However, on Windows 7, I don't use up even 1/3 of my taskbar. I have all this space I can use, and instead it's all squished to the left, making me take extra steps. Are there any applications I can use to get this desired behavior, or else what route would you recommend to take to write this behavior myself? My first thought would be C# and the Windows taskbar apis. PS. If it's not clear what I'm asking for, please let me know, I'll try to be more specific.

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• help Add Any Application Shortcut in Desktop Context Menu

  - by blackjack

  i got the info here but after adding that i didn't get any shortcut on my desktop contest menu :( pls help me i want it only on my desktop context menu Open regedit and goto: CODEHKEY_CLASSES_ROOT\Directory\Background\shell now under this key create another key with any name and in right-side pane set its value to the label, which you want to show in desktop context menu, like Media Player, Winamp, Firefox, anything else. Now create another key under this newly created key with name command. and in right-side pane set its value to the exact path of application, like: C:\Program Files\Windows Media Player\wmplayer.exe C:\Program Files\Winamp\winamp.exe etc... Thats it. Now you can check your favorite application shortcut in desktop context menu. You can create as many shortcut as you want. Simply create a separate key for all the applications. Following is a ready-made code: CODEWindows Registry Editor Version 5.00 [HKEY_CLASSES_ROOT\Directory\Background\shell\WMP] @="Windows Media Player" [HKEY_CLASSES_ROOT\Directory\Background\shell\WMP\command] @="C:\Program Files\Windows Media Player\wmplayer.exe" Just change the label and path to ur desired application and save with the name "vishal.reg" (including the quotes) and run it. U can also set the application shortcut to show only when u press key by adding "Extended" String value in right-side pane of the newly created key: CODEWindows Registry Editor Version 5.00 [HKEY_CLASSES_ROOT\Directory\Background\shell\WMP] @="Windows Media Player" "Extended"="" [HKEY_CLASSES_ROOT\Directory\Background\shell\WMP\command] @="C:\Program Files\Windows Media Player\wmplayer.exe"

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