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• how to remove an entry from system tray?

  - by altvali

  I've searched for an answer to this one and I haven't found one yet. How do i remove a single item from Windows' System tray? I'm targeting Windows XP. Edit: This is not about preventing items from starting up. I want the program to keep running, I just need another script/program to remove the first one's entry from system tray. Second Edit: One approach that I can think of is to try to hide the intended app by modifying registry keys. On several test machines I've found some registry entries that match the System tray information at HKEY_USERS\something-that-looks-like S-1-5-21-682003330-1563985344-725345543-1003\Software\Microsoft\Windows\CurrentVersion\Explorer\TrayNotify with BalloonTip, IconStream and PastIconsStream containing systray information. The important one is IconStream. On other machines, these are found at hkey_classes_root/local/setting/software/microsoft/windows/currentversion/TrayNotify I'm quite sure there's no danger in changing those specific registries, but I don't know how to write code for that. Can anyone help me with the code and with confirming if this has the desired effect of hiding the systray icon for an active program?

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• How To Map Fn+Key (Multiple Keys) To Other Key in Windows?

  - by Mohamed Meligy

  I've got a ThinkPad W530 laptop, which replaces the Application Key (also known as Menu Key or Mouse Right Click key, usually between Right Alt and Right Ctrl) with the Print Screen key. So, I need to replace Prt/Scr with Application key. That's easy, all key mapping software like SharpKeys or whatever can do that. There are even a few threads in SuperUser about dozen of those. But then, the different part to this question from the others (which is why it's not a duplicate, I think) is that I also don't want to completely lose the Prt/Scr key. I'm thinking about replacing it with either: Fn + Prt/Scr Fn + F2 These seemed to have no special meaning, so, I'm not overriding anything, just adding functionality to either of them (one of them, not both), to be the new Prt/Scr key. I couldn't find any key mapping software that can detect or let me select more than one key to map, even when the other key is something like Fn key (although they all can map Fn key itself, without combination). I know it may make sense why this restriction exists, but it'll be really useful if I can override it though. Do you know any program that can do that? Thanks a lot.

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• How do you handle data archiving?

  - by 20th Century Boy

  Backups are one thing, but long term archival is another. For example, you might be required to store emails for 7 years, or keep all project data indefinitely. I used to save archives to tape, but then I've had tapes get destroyed (drives rip the tape out). So...write to 2 tapes I hear you say. Is that what others do? Have 2 (or more) tapes of the same data for redundancy? But then the other issue is that tapes cannot usually be read by different backup software vendors. Eg if you go from Arcserve - Backup Exec - Commvault over 10 years you would need to keep all 3 systems so that you could restore old data. Likewise for hardware. Old tapes might not be barcoded. Might not be compatible with the new library etc etc. So do you keep old tape hardware AND old software just in case you might need to restore a 10 year-old file? Or...when you move to a new backup system do you migrate all archived data to the new system and re-archive it onto new tapes? That could be a huge job. Any thoughts?

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• RabbitMQ and persistence (blocking writes?)

  - by daharon

  I want to create a RabbitMQ server on a virtual machine (VMware) to be used in production. It will contain persistent queues. I'm wondering if it is a bad idea to store the server on a NAS that's accessed over NFS. Basically my questions are: Will RabbitMQ's writes be blocking? Will the entire queue's operation halt on a write? How much performance degradation should I expect when persisting over NFS?

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• CentOS with an Ubuntu kernel

  - by Gaia

  The Rackspace cloud server tech tells my CentOS 5.4 VPS (Xen) runs "CentOS with an Ubuntu kernel" Could someone explain, in plain terms, what "CentOS with an Ubuntu kernel" means and if there are any disadvantages (performance, mgmt) between that and running CentOS with a CentOS kernel? Thanks

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• HP Colour LaserJet Printer Hard Drive

  - by Jon Rhoades

  We are struggling to print Student's Theses on our HP CLJ CP4025 Printers (It will only let us print 1 at a time & typically they need multiple copies). Supposedly the solution is to install the optional Hard Drive. My question is: a) Does a hard drive on the printer make a significant difference? b) Can we use any old hard drive or do we have to use the rather pricey HP High performance EIO units?

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• Changing dual-monitor settings without closing the laptop lid on OS X

  - by hekevintran

  I have a Unibody MacBook hooked up to an external display. By default when I boot up, the system will go to dual-monitor mode. I want to use only the external display. The Apple supplied solution to this problem is to close the lid of the laptop which puts the machine into sleep mode and then move the mouse around to wake it up again. Because the machine is being woken up with the lid closed, when the displays are detected the system finds only the external. After the system is functional again, you can open the lid if you want and the laptop screen will be non-functional until you either tell the system to detect displays from the system preferences or you turn off the external display. Every time I want to use only the external display, I must reach my hand over to close the lid, wait for the machine to sleep, jigger the mouse, wait for the machine to wake up, and finally open the lid again because I don't want the machine to overheat. I feel that this is very stupid to have to do. Why is there no button or menu option that says "don't use this screen"? Is there any third-party software way to change the screen setup that does not involve physically closing the lid and playing a game of "are you sleeping" in order to switch such a simple software setting? We are in the 21st Century and honestly this is childish.

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• Application to test a cluster/grid

  - by Mystic

  Is anyone aware of any application (computation + data) that I can download to test an in-house grid middleware that will run on a local cluster. I hope to compare the performance with other available grid systems.

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• Should I keep my swap file on an SSD drive?

  - by Steve Rowe

  I'm considering getting an SSD drive to run as the primary OS partition. As I understand, this should provide a substantial improvement in performance. My question is this: Should I leave the swap file on that drive? The swap partition will be largely random seeks and so should benefit from the speed. On the other hand, it will be constantly written to which will wear out the drive faster.

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• Migrate Domain from Server 2008 R2 to Small Business Server 2011

  - by josecortesp

  I'm looking for some advice here, rather than the big how to do it I'm looking for what do to I have this home server, quad core and 4 GB of ram (I really can't afford more right now). With a Windows Serve 2008 R2 With ActiveDirectory and a Hyper-V-Virtual machine with SharePoint, TFS and a couple of more thigs. I have a least 10 remote users, all of them joined a Hamachi VPN (working great by the way). But I want to migrate that to a Small Business Server 2011 Standard. I tried to make a VM to join the domain and then promote that VM, back up it and then format the physical server, boot up the VM, Promote the Phisical and then erase the VM, but I can't do that because of SBS requiring a least 4 GB of ram to install (so I can't give all the 4 GB of physical ram to a VM). I was thinking in using a laptop (All the clients are laptop) as a temporal server, join the domain, promote it, then format the server and install SBS on the server and do all again. I really need some advice. Thanks in advance. BTW, I know that the software I'm using is kindda expensive, and I can't afford more hardware. I have access to MS downloads by a University partnership so I have all this software for free.

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• Speeding up Outlook Express on Windows XP over satellite

  - by John

  My brother is in the field with Doctors Without Borders. I'm posting this question on his behalf. We use outlook express (on a pc running windows XP) and a 9600 baud dial up satellite phone modem to get our email direct from the server in Paris. As this is a very expensive way to communicate (our satellite bill is $50K a year, no joke), it seems like trying to streamline is a good idea. Here's the question- when we connect, the sequence goes: Send outbox mails. This goes pretty quickly, probably 10-15 seconds for each email, up to maybe a couple minutes for an email of 150k or so). The status bar moves pretty quickly, according to the emails sent. The system then says "Checking for new messages on (our account name), and "Receiving list of messages from server". This takes a long time. Like 10-15 minutes. The status bar crawls along. Then it receives the messages. "Receiving messages from server". Again, each message takes 10-15 seconds, and this part moves along reasonably fast. I'm curious as to what is going on in the second part. It takes forever, and doesn't seem to be part of the sending or receiving messages themselves. Is there a way to speed up the process by changing a preference with communicating with the server or something? Does anyone have any advice for him speeding up what Outlooks Express is doing? Obviously his software is ancient and adding more software is not realistic based on the connection speed. Thanks!

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• Unable to connect to CopSSH when running Windows service, works when running sshd directly

  - by Joe Enos

  I've been using CopSSH (that uses OpenSSH and Cygwin, so I don't know which of the three is the problem) as my SSH server application at home on Windows 7 Ultimate 32 bit. I have used it for about a year with no real problems, other than it sometimes takes 2 or 3 connection attempts to get through, but it's always worked within a few attempts. A few days ago, it just stopped working. The Windows service is still running, and I've rebooted, restarted the service, etc. with no change. On the client (using Putty on Windows), I get the message "Software caused connection abort". On the server, my event viewer registers the following: fatal: Write failed: Socket operation on non-socket I finally got it working, but only by executing sshd.exe directly from the command line on the server. No special flags or options, just straight execution, and then when I connect remotely, it goes through. I do have firewall and anti-virus software which appears to be configured properly, but the fact that things work when running sshd.exe also indicates that the firewall is fine. I thought the service and executable did exactly the same thing, but apparently there's some difference. Does anyone have any ideas on where I should look for the problem? If I can't find something, I suppose I can write a Windows service or scheduled task that fires off sshd.exe directly and ensures that it stays running, but that's kind of a last resort, since it's just wrapping around something that should already work. I appreciate your help.

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• Windows server 2008 R2 error :The page file is to small to complete the action

  - by kishore

  I have a windows server 2008 R2 standard edition. The system suddenly stopped accepting remote desktop connections. When I tried to connect directly to the console, I am unable to start any applications. I got errors "The page file is to small to complete the action". Under takmanager in performance the system shows "Commit(GB) 127/127". What does this imply? The system has 32 GB ram, 5 raid disks each 150 Gb

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• Shrink Sql Server database

  - by hani

  My SQL Server 2008 database file (.mdf) file is nearly 24 MB but the log file grown upto 15 GB. If I want to shrink database what are the important points to take into consideration? Will shrink causes any index fragmentation and does it affect my database performance?

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• Can an SATA hard drive image be restored onto an SSD?

  - by Bryan Parker

  I'm currently using an SATA hard drive on my primary dev machine, but planning to upgrade to an SSD at some point soon. I use TrueImage on a regular basis to make backups, and to upgrade my harddrive without reinstalling everything. Will I be able to restore and boot onto an SSD? Will there be a performance hit or other issues to watch out for?

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• How do I find information about a particular trojan? "W32/Smalltroj.XVGT", as reported by Norman

  - by Lasse V. Karlsen

  I tried checking the Norman antivirus page, Virus-descriptions, but sadly it seems Norman has intentionally obfuscated their search results (I tried clicking on W, and it seems they just list viruses with a W somewhere in the description, instead of more typical, all viruses with a name starting with a W.) Is there a common virus-list somewhere, or is it as I suspect, every antivirus manufacturer is free to come up with their own identification tags for each virus? Several "vshost32.exe" files, related to Microsoft Visual Studio 2008, has been quarantined on our server today, probably related to a test-deployment of some internal software. Some developer machines that have grabbed that latest version of our program has also had the same files quarantined. Now, these files should not have been deployed in the first case, so I'll be looking into that, but whenever any developer now builds a program locally and attempts to debug, the same file is placed in the build output directory, and promptly quarantined. Does anyone have any clues as to how I can go about verifying this before I pointedly ask the antivirus software to go take a hike on this particular virus? Edit: I've copied one of the quarantined files manually to a machine over the network that doesn't have antivirus installed, and compared the file on that machine with a local copy (on that machine) of the vshost32.exe template file, and they're bit-for-bit identical. I guess this is a false positive. I still would like to know if it would be possible for me to verify this in any other way though, since next time such a trojan might be reported in a compiled file that we won't have a pristine copy of.

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• Juniper NetScreen NS-5GT traffic monitoring

  - by blah

  I've done casual research into the subject and am truly dismayed at the lack of compatible tools for such a simple task. Maybe someone can provide assistance. We have a NetScreen NS-5GT in the office. I need to be able to get a glance of current traffic per endpoint -- I think the equivalent of 'get sessions' with byte counts/rates. I don't care about bars, graphs, and reports. Something as simple as a classic software firewall display would be perfect. I can't shell out money on something real like SolarWinds products, so a free solution is essential. I'm willing to do a little work but refuse to program something from scratch. It's not prudent right now for me to install a hub or otherwise mess around physically. There must be something out there I can use, maybe in combination. I don't believe I'm asking too much. Specific answers only please, e.g. monitoring software you know will actually work with this antiquated device. I've read about general approaches to the broader problem dozens of times already.

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• CPU/Mem/Disk utilization (average) after process has completed

  - by BassKozz

  Ubuntu Server 9.10 So there is the time command which will show you the time it took for a specific process/command to run after the command has completed. For example: :~$ time ls real 0m0.020s user 0m0.000s sys 0m0.000s I'd like to also collect the average CPU usage, Memory, and Disk (i/o) utilization after the process has completed using time (or another command if necessary). How can I accomplish this? Mainly I am using this to benchmark MySQL import performance using different innodb_buffer_pool_size settings.

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• Comparing Nginx+PHP-FPM to Apache-mod_php

  - by Rushi

  I'm running Drupal and trying to figure out the best stack to serve it. Apache + mod_php or Nginx + PHP-FPM I used ApacheBench (ab) and Siege to test both setups and I'm seeing Apache performing better. This surprises me a little bit since I've heard a lot of good things about Nginx + PHP-FPM. My current Nginx setup is something that is a bit out of the box, and the same goes for PHP-FPM What optimizations I can make to speed up the Nginx + PHP-FPM combo over Apache and mo_php ? In my tests using ab, Apache is outperforming Nginx significantly (higher requets/second and finishing tests much faster) I've googled around a bit, but since I've never using Nginx, PHP-FPM or FastCGI, I don't exactly know where to start PHP v5.2.13, Drupal v6, latest PHP-FPM and Nginx compiled from source. Apache v2.0.63 ApacheBench Nginx + PHP-FPM Server Software: nginx/0.7.67 Server Hostname: test2.com Server Port: 80 Concurrency Level: 25 ---> Time taken for tests: 158.510008 seconds Complete requests: 1000 Failed requests: 0 Write errors: 0 ---> Requests per second: 6.31 [#/sec] (mean) Time per request: 3962.750 [ms] (mean) Time per request: 158.510 [ms] (mean, across all concurrent requests) Transfer rate: 181.38 [Kbytes/sec] received ApacheBench Apache using mod_php Server Software: Apache/2.0.63 Server Hostname: test1.com Server Port: 80 Concurrency Level: 25 --> Time taken for tests: 63.556663 seconds Complete requests: 1000 Failed requests: 0 Write errors: 0 --> Requests per second: 15.73 [#/sec] (mean) Time per request: 1588.917 [ms] (mean) Time per request: 63.557 [ms] (mean, across all concurrent requests) Transfer rate: 103.94 [Kbytes/sec] received

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• compile Passenger statically into Apache httpd?

  - by Oleg

  I prefer to disable httpd dynamic module loading on my production server. I've been using mod_jk linked statically into httpd for quite a long time and it proved to be stable. Now I would like to add Ruby Passenger (mod_rails/mod_rack) to my httpd. I wonder if it is possible to link it statically into Apache httpd the same way too? (without producing a huge httpd) If it is, are there any potential pitfalls, safety or performance concerns having both mod_jk and mod_rails within the same executable? Thanks

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• Optimal setup for ASUS P6X58D Premium BIOS (no OC)?

  - by rumtscho

  Normally, I'd trust the mainboard manufacturer to choose the best options as defaults. But I had trouble with the board, because even with Quick Boot enabled, it booted twice as slowly as a Pentium 4 Celeron. Then I changed lots of options at once (most of them weren't explained in the manual, just mentioned with a single sentence) and the boot time is only marginally worse than the Pentium 4 (54 sec against 46 sec from button to pw entering screen). Now I don't know if I have turned something off which should have stayed on. I guess I even won't be able to boot from a CD now, because even though it is present in the boot sequence, I took off a timeout I think it needs to check whether there is a disk in the drive. The second reason is that I don't have an internal HDD, only a SSD. I forgot my sources blush but I am under the impression that today's BIOS and OS options are geared toward booting from a HDD, which is often less than optimal when one boots from a SSD, especially when there are functions which cause avoidable writing cycles, as a SSD wears out after too many writing cycles. Most of the things I've read concern the OS, but there are some BIOS-relevant options too. I am especially confused about the disk mode. The board supports AHCI, IDE-simulation and RAID, but of the different articles I've read, there is a proponent for each and no clear arguments for any. So can one tell me which options are important in general and which are important for a SSD-only system? I don't want to overclock the CPU, so you don't have to say anything about this (yes I know the board is meant for OC:)). I am thinking of overclocking the RAM, since they sold me 1600er heatsinked modules which are running at 1066 now, but I'm not sure yet about that. The rest of the system: i7-930, Intel X25-m G2, 6 GB RAM, GTS 250, some no-name Blue-ray ROM. 2 external HDDs over USB 2.0. Lots of other USB-connected hardware (12 devices I think), no SATA 3 drives (will disabling the controller have an impact on performance?), no LAN, only WiFi. Lucid Lynx 64 bit, no dual boot, no virtual installations. The main uses of the system are: managing and playing/showing all the media stored on the external disks, lots of image manipulation, some video editing, a bit of (non-demanding) gaming, rarely development. Lots of Internet surfing too, but this shouldn't have much impact on performance.

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• Developer Notebook i5 or i7

  - by Cas Sakal

  I could not decide on which configuration below gives better performance for developers on a notebook(running VS.NET, SQL Server, no gaming); (A) i5 540M + SSD (Intel) or (B) i7 720M + 7200 RPM HDD (Western Digital) Since these two configurations(A, B) costs nearly same $ for me, I would like to buy the fastest one for my job environment. Please do not comment just buy this or that, if you can give an inference about your choice I would be appreciated. Thank you, cas

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• How can I fix my vista PCs screen resolution and refresh rate

  - by Antony Scott

  I have a media PC running media portal hooked up to my HDTV via HDMI. The TV is a couple of years old now, so only supports 1080i, which is 1920x1080@25Hz. I've got it connected to my PC via a HDMI compatible AV receiver. If I power up the amp (wait for it to boot fully) followed by the TV| and finally the PC, all is well and I get a picture. If I deviate from that sequence, or don't wait for the amp to book up fully, or even switch the amp to another video input (for example, my PS3). The PC sees this and defaults the screen resolution/refresh rate to 1920x1080@60Hz. So, I end up with a blank screen. To fix this I have to use UltraVNC from a PC and change the refresh rate back to 25Hz. So, is there a way to turn off that auto detection, or to manually define what resolution/refresh rates the monitor can do. I'm using the on-board Radeon 3200 video and do not have any of the AMD software installed as it seems to cause problems with video playback. So, I'm looking for a native vista fix, or possible some 3rd party software.

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• How do you automatically close 3rd party applications when LiberKey is shut down?

  - by NoCatharsis

  Within LiberKey, I have added my own portable applications that are not included within the LiberKey library. When you go into the Properties menu for the app in the LiberKey UI, the Advanced tab has an option for Autoexecute. This dropdown menu seems to have no visible effect, at least on my current installation. I found that I could right click within the primary GUI and select "Add software group", add all 3rd party applications, then go to the Advanced tab within THAT Properties screen and select Autoexecute - "Always on startup". This solved the problem for starting the apps when LiberKey starts. However, now I'm having the same issue when closing out LiberKey. I have created a new 3rd party app that calls the same .exe, but sends the Parameter "/close". I then went to the Advanced tab and selected Autoexecute - "Always on shutdown". Seems pretty logical right? But the apps will not close on LiberKey shutdown. I cannot handle the app close-outs in the same way with a software group, as I did with the startup issue because the Autoexecute drop-down does not have an "Always on shutdown" option. Unfortunately, many of the Q&A forums on liberkey.com are in French and I took Spanish in high school. Otherwise I've not been able to find a workable answer. Any suggestions?

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• Sorting/grouping when there are multiple values in one cell

  - by ngm

  I have an Excel 2007 spreadsheet, where each row of the dataset describes a feature of a piece of software. One of the columns in the spreadsheet is Relevant Users, which describes which users of the software the feature is of interest to. There may be a couple of different users interested in a feature, in which case I've been filling in the cell with the two user types separated by a colon, e.g. 'Usertype A; Usertype D'. Occassionally, I'd like to sort my data by the Relevant Users column. However, the way I'm populating the column means the sorting isn't very smart. If I have a feature where 'Relevant Users' is 'Usertype A; Usertype D', and then I sort by Relevant Users, that feature will be grouped at the end of all the other features of relevant to Usertype A, as it's just sorting alphabetically. But I want it to be listed in the two separate groups of Usertype A and Usertype D. Or, if I have a pivot table that groups the features together under the heading of Relevant User, I'll get all the features for 'Usertype A', then 'Usertype B', then 'Usertype C', then 'Usertype D', then 'Usertype A; Usertype D', etc. Whereas I really want a feature with Relevant Users as 'Usertype A; Usertype D' to show up in both the Usertype A group and the Usertype D group. I guess if this information was in a database I might have a many-to-many table linking Relevant Users to features. But is there a way to go about having this kind of many-to-many relationship in Excel?

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