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• How to configure Linux to open files by extension?

  - by Gregory MOUSSAT

  The various Linux's desktops open files according to their mime type. This is a very nice feature but I also need to open them by extension (as with Windows). For instance, I want to open every xxxxx.vnc files with a specific program when I double-click on them. I use xfce but I don't think it differs from Gnome or KDE because all of them use the same configuration files (defaults.list and mimeapps.list). If possible the settings are user specific, not system wide. I've found some very poor informations about that, and all are system wide, so may be wiped out by some updates.

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• Moving from Ubuntu desktop to Ubuntu Server via SSH

  - by Daniel Elessedil Kjeserud

  So a little while ago I installed regular Ubuntu for a home server, but that gave me a lot of extra packages. What I should have done was to install Ubuntu Server, since I don't even own a screen to connect to it. Does anybody know of a way to convert my Ubuntu machine to a Ubuntu Server machine in one big swoop? It has to be done over SSH, since I don't have a screen to connect to it, like I said. It's currently running 9.10, about to be upgraded to 10.4.

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• can't get php mail() working on Ubuntu desktop version with sendmail and postfix

  - by user36428

  I'm running Ubuntu 9.10 LAMP and trying to do a simple email test with PHP and I'm not getting any emails sent. mail("[email protected]", "eric-linux test", "test") or die("can't send mail"); I get no errors from PHP when running that script. In my php.ini file is: sendmail_path = /usr/lib/sendmail -t -i $ sudo ps aux | grep sendmail eric 2486 0.0 0.4 8368 2344 pts/0 T 14:52 0:00 sendmail -s “Hello world” [email protected] eric 8747 0.0 0.3 5692 1616 pts/2 T 16:18 0:00 sendmail eric 8749 0.0 0.3 5692 1636 pts/2 T 16:18 0:00 sendmail start eric 9190 0.0 0.3 5692 1636 pts/2 T 19:12 0:00 sendmail start eric 9192 0.0 0.3 5692 1616 pts/2 T 19:12 0:00 sendmail eric 9425 0.0 0.3 5692 1620 pts/1 T 19:37 0:00 sendmail eric 9427 0.0 0.3 6584 1636 pts/1 T 19:37 0:00 sendmail restart eric 9429 0.0 0.3 5692 1636 pts/1 T 19:38 0:00 /usr/lib/sendmail restart eric 9432 0.0 0.1 3040 804 pts/1 R+ 19:38 0:00 grep --color=auto sendmail When I run $ sendmail start it just hangs there doing nothing. I installed postfix also to see if it would help, but it didn't. I tried to see port 25: eric@eric-linux:~$ telnet localhost 25 Trying ::1... Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. 220 eric-linux ESMTP Postfix (Ubuntu) thanks

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• Close all Mac Terminal windows, but the one running a script

  - by Greg Brown

  I am trying to create a shell script that runs a python simulation programing in 4 terminal windows. I have the script that launches the program four times in four separate terminal windows(total of 5 windows, 4 for the python programs, and one to control the other terminal windows). I want to now create a script that I can run in the control terminal window that closes and kills the programs of the other four terminal windows, but still have the control one open. What I have so far is something like this #!/bin/sh osascript -e 'tell app "Terminal" do script "killall python" end tell' osascript -e 'tell app "Terminal" to quit' osascript -e 'tell app "Terminal" to open' The problem is that the last line doesn't work because it closes all the windows including the one the script is executing in. I am not really familiar with shell or apple script so any help would be welcomed. I posted on Stack, but I think this might be a better place for an automation type question. Thanks

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• Keyboard similar to laptop keyboards for a desktop

  - by Yktula

  I want to use a keyboard that requires minimal effort pushing down with minimal (if any at all) space between keys. I like the new Apple keyboards, but I want something closer to the feel of a laptop keyboard (the keys on the Apple keyboards are still raised up a bit). Are there any that fit this description?

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• Federated access to desktop and network resources in MS AD domains

  - by Glenn Stauffer

  We are looking for a way to provide members of three loosely connected organizations with access to authenticated resources such as file shares, printers, and lab computers. I've seen federation facilities for web resources; is ther something similar for domain logins? Our Active directory domains are not connected so we would have to use email addresses for the username to insure uniqueness. Is there any openid like mechanism that works for AD logins?

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• How can I leave the remote screen locked when I ARD/VNC/etc. to my Mac?

  - by Dominic Cooney

  I'm currently using Jolly's Fast VNC and Mac OS X's built-in VNC server (System Preferences, Sharing, Screen Sharing) to access my iMac remotely. Here's my problem: When I'm using the iMac remotely, the screensaver deactivates and the screen is unlocked. If someone had physical access to my iMac they could walk up to it and start using it. Is there some way I can set things up so that when I'm using my iMac remotely the screen stays locked, like Windows XP Professional does when you're using RDP? I know I can use X remotely with the iMac locked, but I would like to use Mac applications remotely, too.

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• My Linux desktop sees my HDMI-connected monitor, but my monitor says "No signal"

  - by hrunting

  I have a Gigabyte H55M-UD2H motherboard and an Acer S271HL monitor. When I connect the monitor to the motherboard via VGA, signal works perfectly. When I connect the monitor via HDMI, the system "sees" the connection, but the monitor receives no signal (the monitor shows a blue box which reads "No Signal" and then the monitor goes into power-saving state). Some fun facts about this: if I hook a different monitor to this box via HDMI, the monitor receives the output without issue (same computer/motherboard, same cable, different monitor) if I connect a different computer to the monitor via HDMI, the monitor receives the output without issue (different computer, same cable, same monitor) no signal is received whether in the OS or in the BIOS there are no BIOS options for controlling video output other than for selection of onboard vs. PCI/PCI-E-based video card (the system has no dedicated video card installed) The box is running Linux, so I have the output of xrandr which shows the connection and the monitor modes detected via DDC: ~$ xrandr --prop Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192 VGA1 disconnected (normal left inverted right x axis y axis) HDMI1 disconnected (normal left inverted right x axis y axis) Broadcast RGB: Full supported: Full Limited 16:2 audio: auto supported: force-dvi off auto on DP1 disconnected (normal left inverted right x axis y axis) Broadcast RGB: Full supported: Full Limited 16:2 audio: auto supported: force-dvi off auto on HDMI2 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 598mm x 336mm EDID: 00ffffffffffff000472ca028d128022 1c160103803c2278ca7b45a4554aa227 0b5054bfef80714f8140818081c08100 9500b300d1c0023a801871382d40582c 450056502100001e000000fd00384c1f 5311000a202020202020000000fc0053 323731484c0a202020202020000000ff 004c55573044303130383531300a01e5 020324f14f0102030405060790111213 1415161f230907078301000067030c00 1000382d023a801871382d40582c4500 56502100001f011d8018711c1620582c 250056502100009f011d007251d01e20 6e28550056502100001e8c0ad08a20e0 2d10103e960056502100001800000000 000000000000000000000000000000de Broadcast RGB: Full supported: Full Limited 16:2 audio: auto supported: force-dvi off auto on 1920x1080 60.0*+ 50.0 25.0 30.0 1680x1050 59.9 1680x945 60.0 1400x1050 74.9 59.9 1600x900 60.0 1280x1024 75.0 60.0 1440x900 75.0 59.9 1280x960 60.0 1366x768 60.0 1360x768 60.0 1280x800 74.9 59.9 1152x864 75.0 1280x768 74.9 60.0 1280x720 50.0 60.0 1440x576 25.0 1024x768 75.1 70.1 60.0 1440x480 30.0 1024x576 60.0 832x624 74.6 800x600 72.2 75.0 60.3 56.2 720x576 50.0 848x480 60.0 720x480 59.9 640x480 72.8 75.0 66.7 60.0 59.9 720x400 70.1 HDMI3 disconnected (normal left inverted right x axis y axis) Broadcast RGB: Full supported: Full Limited 16:2 audio: auto supported: force-dvi off auto on DP2 disconnected (normal left inverted right x axis y axis) Broadcast RGB: Full supported: Full Limited 16:2 audio: auto supported: force-dvi off auto on DP3 disconnected (normal left inverted right x axis y axis) Broadcast RGB: Full supported: Full Limited 16:2 audio: auto supported: force-dvi off auto on How do I get this monitor to recognize the output from this HDMI socket?

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• I want to replace Windows Server by Samba 4 for authentication purpose [closed]

  - by garden air

  I am using windows Server 2008 in a mediam size organization. I have 200 clients at the moment. I have learn that Samba4 has a remarkable changes for windows clienmts. I want to use Samba 4 to authenticate my windows xp and windows 7 clients machines. In my home based pc I am using vmware to test samba 4. For that purpose I am using CentOS 6.3 with Samab4. Kindly guide me taht it is possible that I replace windows server as a PDC controller and use samba4 to onlu authenticate my clients. I does not want Group Policy only and only authentication . So what u suggest me. Is it good to use samba 4 instaled of windows server. thanks, gardenair

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• Citrix ICA Client on Mac shift key doesn't work as expected.

  - by brianegge

  When I'm connected to a Windows XP computer from my Mac OS X 10.6 using the Citrix ICA Client, it seems that the shift key only works for the first letter typed after pressing shift. In order to type multiple uppercase letters, like ICA, I must either press caps lock, or press and release shift before each character. I've tried switching between standard and enhanced keyboard, as well as the 'Send Special Keys Unchanged' option, but none of these seem to affect the issue. The problem doesn't occur when I switch from the Citrix window to a regular Mac window.

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• Identifying Hard Drive as performance bottleneck for desktop machines

  - by Programming Hero

  I'm working in a development team where we all use laptops so we can work in multiple locations. These laptops are proving notoriously slow for development work, but at a glance they all look to have the specification for a much faster experience: CPU - Intel Core 2 Duo T7500 Memory - 2GB of RAM We all experience the biggest delays when the hard-drives are being accessed, particularly when swap-files are being thrashed. After doing a little bit of profile, a colleague discovered that our HDDs are seeing Read/Write speeds of about 10MB/sec. This seems abnormally low and we believe it the cause of the problem. Sensibly (though somewhat annoyingly) our business wont blow money on faster drives just to see if it fixes the problem; we need to illustrate this is definitely the problem and that buying some solid-state drives will make it go away. I need some way of showing how 90% of the system resources aren't being used over the course of a day, and that whenever there is utilization, it's all in HDD reads or writes. Are there any tools I could use to provide this information? Does it seem likely the problem is going to be fixed by a faster drive? Should I be looking for alternatives?

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• windows 2003 remote desktop configuration - "Active session limit" greyed out

  - by wes

  I have a terminal server which works fine except for one thing: users are logged off after 2 hours, regardless of activity. I have Override user settings checked in the appropriate control window, and "End a disconnected session: Never" is set. But, I found the "Active session limit" is greyed out so I can't change it, and is set to 2 hours. The user (only 1 actually needs a session on this server for more than 2 hours at a time) is able to reconnect to his session immediately. http://the-wes.com/images/active-session-disabled.jpg Any ideas? thanks, -wes

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• Change desktop background at school

  - by Nano8Blazex

  On school computers, I can log in with a user account stored on the school network (something like that, I have no experience in networking and this sort of stuff). Everything is fine and dandy and totally works as it should, but there is one thing that I find annoying. Apparently for some reason I can't change my background to anything more than a couple of different solid colors with our school's logo still stuck in the middle. (the original background is a white logo on black background. If I change it to a different color, the central 6x6 inch black/white logo still remains, only the surrounding color is changed.) It may have been set by school administrators or something, I don't really know. I find this really ugly. Is there any way to change a setting so that I can set the background to any picture I wish? (like on a home pc...) Thanks.

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• How to vertically split widescreen into two virtual workspaces on ubuntu/gnome?

  - by David

  My new laptop has a big 16:9 screen, and I'm finding it hard to fully utilize it during the 95% of the time that I'm not watching HD movies on it. I'd like to set it up as a kind of virtual dual screen by splitting the physical screen into two workspaces. I know I could arrange my windows manually, but I'd like to be able to maximize a window and have it only consume half the monitor, and have its pop up dialogs centered on its half-screen, that sort of thing. Is there some kind of plug in available to do this? Thanks in advance for any pointers.

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• Citrix ICA Client on Mac shift key doesn't work as expected

  - by brianegge

  When I'm connected to a Windows XP computer from my Mac OS X 10.6 using the Citrix ICA Client, it seems that the shift key only works for the first letter typed after pressing shift. In order to type multiple uppercase letters, like ICA, I must either press caps lock, or press and release shift before each character. I've tried switching between standard and enhanced keyboard, as well as the 'Send Special Keys Unchanged' option, but none of these seem to affect the issue. The problem doesn't occur when I switch from the Citrix window to a regular Mac window.

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• Fastest booting desktop linux distro? [closed]

  - by Kim

  I'm currently running Ubuntu 9.04 on my laptop and I'm very happy with it. But boot times aren't great... So I'd like to have a second distribution on my hard disc that I can boot to quickly check my email and stuff like that. It really only needs to run firefox and a terminal. Ext4 support would be a plus since my Ubuntu partition is ext4. In the next couple of hours I will try xPUD and DSL. Any other suggestions? EDIT: Tried xpud, hangs on boot.

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• Acer Aspire PC locked up and won't re-start

  - by Jim Scott

  Vista Home Premium locked up on 5/12/10 while on a website and could not get to 'control-alt-delete.' Mouse locked, too. On/off switch would not work (stayed lit) so I unplugged the power cord. When I tried to re-start the computer I could hear a fan running but it would not boot up, nothing on the monitor and no lights on the keyboard. O/S was preloaded so I do not have a boot disk.I tried pressing F1, F2 and F11 and also with monitor off but nothing worked. Computer has not been been moved or abused so all internal connections should be fine. Have updated Windows Vista Home Premium regularly and also updated Avira anti virus and anti malware programs regularly. Using Firefox and Vista Home Premium O/S. Computer is 2 years old and was purchased new from Best Buy.

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• reduce memory footprint of java virtual machine

  - by Lorenzo Boccaccia

  I've a citrix server where multiple users use a multiple java application. Is there a way to reduce the memory footprint of the jvm itself? The max heap is already set fairly low (64MB), as the permgen (32MB) space and we're to the point that the jvm itself uses way more memory than the application itself (the committed area is around 350MB) I'm looking for a way to reduce the jvm ram usage or to make the all the applications run within the same jvm or any other way of sharing common pages between running jvm (if possible) or try switch to switch to a jvm if a jvm exists having optimizations relative to this scenario currently using windows 2003 server and sun java virtual machine 1.6

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• Network use of Gaming PC

  - by Matthew Patrick Cashatt

  Background After YEARS of waiting, I built the custom gaming PC of my dreams: Intel i7 - 975 Extreme Edition 3.3ghz (overclocked to 4.0) ATI Radeon 5970 2gb Corsair 256 gb SSD Drive 2 TB Sata II 3.0 7200rpm data drive 12 GB Kingston Hyper-X (1600mhz) DDR3 Windows 7 Ultra 64 bit And so on. . . Problem I hooked this beast up to our home theater and settled in for a great gaming season only to realize a couple of drawbacks: It's hard to accurately wax bad guys using a keyboard in your lap whilst reclined on your couch (and using a wireless keyboard). It's hard to read the text on the screen (i.e. menus, etc). I find that a 1:1 ratio (screen diagonal inch to inch away from screen) is optimum, but using the home theater, it's more like 1:3 which has me squinting unless I sit on the coffee table. The wife always seems to want the TV the same time I do and, unfortunately "Real Housewives of Beverly Hills" and Battlefield BC don't mix. I am losing the battle in the home theater room, but the PC has to stay there (long story). So, this leaves me with the option of playing in my home office which is about 30 feet away from the home theater. I am a software developer so I have a pretty decent set up in my office--multiple 1080p monitors, HP Envy 17 which can run games like Crysis in 720p with out stammering too much. Also, I can game very comfortably at my desk in the office. Still, even though the set up in my office can run games well enough, I don't want to regress to that when I have worked YEARS for an awesome gaming PC that can run everything on ultra high settings. My Question What are my options for running my games on the beastly desktop in the Home Theater, but physically playing in my office about 30 feet away? A really long HDMI cable? LAN/RDC? Details that May Help We have an open crawlspace so running cable from HT room to office is no problem. I already have networked the house with a LAN Any help is GREATLY appreciated. Thanks, Matt

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• Virtual Desktop Provisioning - Vmware View 5.2 Maintenance Questions

  - by Lee J. DeAngelis

  Currently running an environment of about 400 VMware View 5.2 virtual Desktops. The environment runs pretty efficiently but we sometimes run into problems with certain pools from time to time. Just recently we had a pool that was causing high write latency when users logged in. It just happened all of a sudden and had been working fine for weeks. On a hunch we completely broke down the pool and re-provisioned it from a new image. This corrected the problem. In fact every real issue we've had so far was fixed by a recompose or complete break down and re-provisioning of one pool or another.Our environment consists of Cisco UCS and Netapp 3240s using flashcache running VMware View 5.2. My questions are: What are some maintenance best practices other VDI admins are using? How often are you recomposing? rebalancing? re-provisioning? How long should you keep base image snapshots around?

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• Problem installing iATKOS S3 Version 2 Snow Leopard 10.6.3 on DELL Precision T5500 Desktop

  - by Matias Dominoni

  Someone managed to install this right? I've used the following parameters: -v -x -f cpus=1 busratio=22 After installation, boot fails with a Kernel Panic. The exact error here: http://www.insanelymac.com/forum/index.php?showtopic=182609&mode=linearplus I'm aware that is very annoying installation. http://www.insanelymac.com/forum/index.php?showtopic=222386 Does anyone knows a guide to follow up or any other distrubution that works?

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• What is the best desktop KVM?

  - by Mat

  What is the best KVM for a programmer? I need to switch between a locked-down corporate box and my development machine rather than between servers. I've used a Black Box four port PS/2 VGA KVM switch for many years, but with the advent of USB-only PCs and DVI I need to upgrade as it doesn't play well with USB to PS/2 converters. My ideal features: USB keyboard and mouse input/output dual monitor switching four ports, but two would do at a push switch on middle mouse click, or from a keyboard hotkey at a pinch

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• who makes an LED desktop monitor besides Apple?

  - by Omar Shahine

  Besides Apple (Cinema Display) who sells an LED backlit computer display 1900 x 1200 or 1900 x 1080?

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• Accessing internal server eg 192.168.10.10 without using remote desktop

  - by bergin

  Hi there My boss has an intranet he wants his employees to gain access to from the WWW. Theres a sharepoint server running on 192.168.10.10 and SBS can be seen from a website 81.244.232.22 (some numbers like this). When you access, theres a default internal sharepoint site "companyweb" but we dont want to use that we want the main sharepoint site which has all the business on it. is this possible? Currently we have to connect to a computer, chose the server and then get in that way. Any ideas?

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• Accessing internal server eg 192.168.10.10 without using remote desktop

  - by bergin

  Hi there My boss has an intranet he wants his employees to gain access to from the WWW. Theres a sharepoint server running on 192.168.10.10 and SBS can be seen from a website 81.244.232.22 (some numbers like this). When you access, theres a default internal sharepoint site "companyweb" but we dont want to use that we want the main sharepoint site which has all the business on it. is this possible? Currently we have to connect to a computer, chose the server and then get in that way. Any ideas?

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