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• Apache availability with the two front-ends on diferent locations. Is it possible?

  - by marc.riera

  Hello, I have to locations (office and service providers). One DNS(bind) serving our domain as authoritative, and a service provider webserver with our corporate web on a private server. So.. Now we are planing to upgrade our server on the ISP to a new one, and I would like to use this situation to improve our service. Is it possible to mount a high availability apache/mysql/php within to different locations? I will install a bind slave on the same new server, so I hope it will make things easier, but I need some hints and tips on how to ride it. THanks.

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• microsoft mouse and keyboard center doesn't show my mouse

  - by Andy

  as part of a recent windows update, the irritating and intrusive intellipoint microsoft mouse software now seems to have been replaced by the even more irritating and intrusive "microsoft mouse and keyboard center[sic]" I am left handed and need to switch the left and right mouse buttons round. the option to do this has disappeared from the mouse control panel, to be replaced by a link which opens up said mouse and keyboard center. this in turn is a window which allows me to change settings on the keyboard but does not have any way to control mouse settings any hints would be very welcome. this is driving me nuts.

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• use of Lsh and Rsh keys in windows 7 calculator

  - by Tom

  Does anyone know the function of the Lsh and Rsh keys in Windows 7 calculator when it is in Programmer's mode. One would think it's meant to shift bits left and right, but that doesn't seem to happen: sometimes nothing happens, other times I get a 'Result not defined' message in the display. Has anyone figured it out yet, is this a known bug? While we're at it, does anyone have suggestions for a good calculator, one with a decent reference guide / user guide (windows help doesn't seem to give any hints on what any of the keys do, in any mode).

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• IIS 6 on x64 and long URLs

  - by mausch

  I have a very long URL on a site hosted on Windows 2003 x64 that looks like this: http://myhost/a_very_very_long_url_around_300_chars_long (i.e. a single, very long segment around 300 chars long) Problem is, I'm getting a 400 Bad Request response from HTTP.SYS (it doesn't even reach IIS). I can tell because these requests show up in system32\LogFiles\HTTPERR, e.g: 2009-09-17 19:51:29 200.123.179.9 3636 192.168.129.50 80 HTTP/1.1 GET /a_very_very_long_url_around_300_chars_long 400 - URL - I tried setting UrlSegmentMaxLength in the registry and this fixes the issue on my Windows 2003 x86 box but not on the x64 production server. I tried this on another Win2k3 x64 server and it also failed. Any hints?

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• Create Word files from Excel content

  - by Lennart

  I have an Excel file that I want to split into several files (Word, PDF is also good), based on content. The content is somewhat like this: Person Fase Date Item Text A 1 01-01-2012 Z Lorem ipsum A 2 01-02-2012 X Lorem ipsum B 1 02-01-2012 Y Lorem ipsum C 2 01-01-2012 Z Lorem ipsum I want Word/PDF documents with names like Person_Fase.docx And as content the date, item and text. Idealy in a table layout. Any hints/ clues on how to get there? It's about 700 clients, with up to 300 Excel entries each.

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• Windows global shortcut hijacked by Opera

  - by Balint

  I have Chrome 37 installed as my main browser. Recently I needed to test a design in a new, Chromium based Opera version 21.0.1432.67. This later one hijacked my global shortcuts somehow, so if I press Ctrl+Shift+N to start a new session for testing, even if Chrome is running, and it is the active window, the shortcut starts a new Opera tab - even if the program is not running. It is highly annoying. Even if I uninstall Opera, I'm unable to use the aforementioned shortcut, because it will not work at all. Any hints on how to restore the original shortcut?

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• Re-configuring mysql-server 5.1

  - by sitonico

  Hi all! Some days ago I had some problems with updates, and this ended up with a problem that I already solved in this question . The problem is that now I want to update again, but it seems that I cannot do it automatically, because when I use the update manager it gets stuck while configuring mysql-server 5.1, in the line : Configuring mysql-server 5.1 (5.1.41-3ubuntu12.10)... I have been looking for some solution but it seems hard because actually I don't know where to start, so any hints are appreciated. Thanks in advance! Alf.

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• Connect ADSL modem SMC7904WBRA-N to CISCO RV082

  - by Cy.

  I have a SMC7904WBRA-N ADSL modem/router that connects to the internet with a static IP given by the provider. I've received a RV082 to create a VPN connection which is having problems to connect to the remote VPN Server. After many tries we deduced that the SMC7904WBRA-N is being problematic with the NAT and I have been suggested to put the SMC router into the appropriate DSL bridging mode so the RV082 gets direct access to internet with the static IP. Can you give me any hints on how could this be done? Which mode is that?

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• Adding MX records to DNS

  - by Teddy

  Let's say I have a computer A which is running postfix, computer B is running tinydns. On domain project.domain.com I'm running httpd server and other server with DNS (tinydns) have entries like =project.domain.com:1.2.3.4:86400 and +project.domain.com:1.2.3.4:86400 where 1.2.3.4 is correct addres for server which runs httpd server. I also have a postfix mail server on 1.2.3.5 which I'd like to work with this domain (project.domain.com). I'm afraid that if I add another alias like +project.domain.com:1.2.3.5:86400 to tinydns configuration - it could break. How that entry should look like? Thank you for any hints.

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• How to set up memcached to use unix socket?

  - by alfish

  While I could use memcached on Debian to use the default 11211 port, but I've had great difficulty setting up unix socket, Form what I'v read, I know that I need to create a memcache.socket and add -s /path/to/memcache.socket -a 0766 To /etc/memcached.conf and comment out the default connection port and IP, i.e. -p 11211 -l 127.0.0.1 However, when I restart memcached I get internal server errors on Drupal site. I'm trying to implement unix sockets to avoid TCP/IP overhead and boost overal memcached performance, however not sure how much performance gain one can expect of this tweak. I appreciate your hints or possibly configs to to resolve this.

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• How to tell if OpenGL is really working in Ubuntu 10.04

  - by Jonathan

  I have a lenovo S9e running Intel integrated graphics. Here is my lspci output related to the graphics: 00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03) Subsystem: Lenovo Device 3870 Flags: bus master, fast devsel, latency 0 Memory at f0580000 (32-bit, non-prefetchable) [size=512K] Capabilities: [d0] Power Management version 2 I want to know how I can make sure OpenGL support is running in full on an Ubuntu 10.04 installation. I have a few hints to think that it is not: The "Desktop Effects" will not load Apps such as stardock, when attempting to use OpenGL rendering, will display black boxes instead of transparency In the games Pioneers, the number-tile icons are suspiciously just black circles Windows games running with Wine will only support software rendering, not hardware rendering When I boot into a Knoppix LiveCD, the desktop effects do work, splendidly, meaning compiz detects my computer as capable. My problem with troubleshooting is that Canonical has basically eliminated the conf-file-based mechanism of X11 as far as I can tell, thus making it even harder to ensure graphics modules are loading properly. How do I debug and test OpenGL on m Ubuntu 10.04 installation?

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• Mapping capslock to control on Mac OS X: works for some things, but not others?

  - by keflavich

  I've mapped my capslock key to control using the Modifier Keys mapping in System Preferences: Keyboard. I've also tried mapping to "right control" instead of "left control" as per http://hints.macworld.com/article.php?story=20060825072451882 using a plist editor. The mapping seems to work in all cases except one: I can't use capslock with left-shift to make key mappings or apparently do anything else. capslock (as control) with right-shift works. I'm primarily testing by using control-tab / control-shift-tab to switch between tabs. Using the on-screen-keyboard viewer, I can get capslock-shift-(just about anything) to work, but not capslock-leftshift-tab. My best guess is that somehow the particular keyboard I'm working on is faulty, but I'm curious whether anyone else can reproduce this or has any ideas.

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• Win7 backup fails with "The system cannot find the file specified" 0x80070002 - has worked before

  - by Thorbjørn Ravn Andersen

  I have a 500 GB USB-disk which has been used as a backup device for a few years now, but now fails without telling me why. This is a Dell box with Intel USB-controllers (so the NVIDEA problem does not apply here). I have previously had problems with a Git package marking a non-existent directory for backup (adding it make the backup succeede). The inaccessible boot partition problem described in Windows Backup fails with 0x80070002: "The system cannot find the file specified" does not apply to me. I would appreciate hints on where to look to identify why my backup fails so I can fix it.

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• Access 2 sites on same machine behind a router

  - by Luc

  Hello, I have several machines on my lan. On of them is running 2 web sites, first_web_site and second_web_site (each one in a dedicated NameVirtualHost). Another machine is running another site third_web_site. I would like to be able to access each one, within internet, with the url: first_web_site.domain.tld second_web_site.domain.tld third_web_site.domain.tld knowing that 2 sites are on the same machine. Can Apache help me to do this ? I have a machine that will have a apache server to be used for proxy purposes. I was talk to set up virtualhost on this one and use proxy server but I do not know how to do this. Could you please give me hints ? Thanks a lot, Luc

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• Updating PHP on a Plesk managed Server

  - by mblaettermann

  I just updated PHP and MySQl on my VPS with the current Versions from Atomic Repo. Everything worked out fine so far. From console I get the new PHP 5.3: [root@server phpMyAdmin]# php -v PHP 5.3.16 (cli) (built: Aug 20 2012 11:18:05) Copyright (c) 1997-2012 The PHP Group Zend Engine v2.3.0, Copyright (c) 1998-2012 Zend Technologies with the ionCube PHP Loader v4.0.5, Copyright (c) 2002-2011, by ionCube Ltd. But through Apache I still get the old version (5.1.6). The server is running some old version of crappy Plesk Panel. That gives me the option to choose between Apache Modul, fCGI and CGI-BIN. Any hints, how to update apache, so it will use the new PHP Version? EDIT: I just needed to restart httpd (/etc/init.d/httpd restart)

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• Howto boot directly into a VirtualBox image?

  - by mawimawi

  I have a running setup as following: Native OS: Windows 7 64bit, 3 Partitions: c: (System) d: (FAT32, here is my vdi file) e: (unformatted) VirtualBox: Fedora 14 running off the vdi file on drive d. Usually this setup is great for me, but sometimes I'd like to run Linux natively, and not inside VirtualBox. Is there a way to boot directly into the vdi file without the Windows overhead? E.g. using a USB stick with some modified Linux Kernel / GRUB that can mount the vdi file directly as "/"? Or copy the contents of my vdi file to the empty partition and somehow use this from VirtualBox (when booting into Windows) AND directly booting into Linux? Hope to get some hints or even howtos. EDIT: yes, sorry. not programming related. I posted the question to serverfault.com (hopefully that's the better site for my question.)

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• Howto boot directly into a VirtualBox image?

  - by mawimawi

  I have a running setup as following: Native OS: Windows 7 64bit, 3 Partitions: c: (System) d: (FAT32, here is my vdi file) e: (unformatted) VirtualBox: Fedora 14 running off the vdi file on drive d. Usually this setup is great for me, but sometimes I'd like to run Linux natively, and not inside VirtualBox. Is there a way to boot directly into the vdi file without the Windows overhead? E.g. using a USB stick with some modified Linux Kernel / GRUB that can mount the vdi file directly as "/"? Or copy the contents of my vdi file to the empty partition and somehow use this from VirtualBox (when booting into Windows) AND directly booting into Linux? Hope to get some hints or even howtos.

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• Why can't mplayer/libdvdcss/whatever play my DVDs?

  - by che

  To put it bluntly, mplayer is unable to correctly play video DVDs. It seems to correctly find the title and everything, but the picture is broken or not displayed at all, with messages like: a52: CRC check failed! a52: error at resampling [mpeg1video @ 0xa8d840]sequence header damaged [mpeg1video @ 0xa8d840]Missing picture start code Now, this all is on amd64 Gentoo Linux system. I believe the problem is not in mplayer itself, since the playback also breaks in VLC or when i copy the VOBs via vobcopy and try to play them afterwards. I use libdvdcss-1.2.10 and libdvdread-4.1.3_p1168 (current stable in Gentoo), and tried previous versions of both libs, but it didn't change a thing. The DVDs I have tried play fine in regular DVD player or on a Windows laptop. I remember the playback used to work about a year ago and I don't know what to try next. Any hints would be welcome.

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• No Office XP Updates since installed Compatibility Pack from WSUS

  - by braindump

  Hey folks, we got a bunch of boxes, running Windows XP and Office XP. Since we installed the Office 2007 Compatibility Pack, Office XP does not get updates anymore. Our WSUS provides Office 2007 patches for these computers but no Office XP, e.g. the urgantly needed Serice Pack 3. We allready tried to remove the Compatibility Pack and Office XP, reinstalled Office but there was no change. Do you have any hints? PS: The Office XP has been installed from a compressed ISO, so no administrative installation point.

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• Windows Vista: TCP/IP stack is smashed, how to reinstall the LAN-Devices?

  - by Ice

  the TCP/IP stack is smashed, thats why no LAN-Connections are running. I want to download the LAN drivers from another computer and uninstall and reinstall the LAN devices on this system. Hopefully that should recreate the stack. But what to download? What uninstall? How to install? Windows Vista is protected against such changes, so how to achieve that job? please help. Update per 2011-03-11: I found all the tipps and hints about "TCP/IP Repair, LSP Fix, and WinSock Fix" according to windows vista but nothing helped to bring back network access. What can i do as next step or which opportunities are left?

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• What is a SIP 'Gateway' and how is different from a SIP Proxy/Registrar?

  - by Shrey

  Recently I started looking at SIP implementation for a future work. I was reading (Googling) about what SIP means and how to go about implementing a end-to-end SIP enabled VoIP network. What I did not get is what use does a SIP Gateway is for? How different is it with respect to SIP proxy servers or a SIP DNS/Locator like server? I understand probably QoS would be one primary factor - like dedicating a set bandwidth for SIP/VoIP specific I/O over a network. Anything else? Can anyone help me with any other hints/pointers? I fully understand that is quite a basic question - but I really couldn't find any text which could clear my doubt about what 'Gateway' would mean in SIP context and what differentiates it from other SIP based network components (like Softphones, Proxies etc). Thanks a lot.

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• How to reliably synchronise file servers between London and Shanghai?

  - by Andy S

  We have two offices, one in London and one in Shanghai, each needing to be able to access the same set of files. This means we need a solid, speedy means of synchronising a set of folders between servers at either office. They're likely to be Windows servers, but we could look at Linux boxes if the software side makes more sense on *nix. We've considered Rsync, Unison, Gluster, and a few other options, but none of them seem capable of reliably keeping the servers in sync between such distant office locations. Each office is on DSL connectivity over the open internet, so encryption is also a factor. Does anyone have any hints for getting the servers synchronising in as close to real time as possible, without dying constantly? Andy

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• Analyse frequencies of date ranges in Google Spreadsheet

  - by wnstnsmth

  I have a Google Spreadsheet where I would like to compute occurrences of date ranges. As you can see in my sheet, there is a column date_utc+1 which contains almost random date data. What I would like to do is put the date values into bins of 6 hours each, i.e., 12/5/2012 23:57:04 until 12/6/2012 0:03:17 would be in the first bin, 12/6/2012 11:20:53 until 12/6/2012 17:17:07 in the second bin, and so forth. Then, I would like to count the occurrence of those bins, such as bin_from bin_to freq ----------------------------------------------- 12/5/2012 23:57:04 12/6/2012 0:03:17 2 12/6/2012 11:20:53 12/6/2012 17:17:07 19 ... ... ... Hope it is clear what I mean. Partial hints are very welcome as well since I am pretty new to spreadsheeting.

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• What is the effect on LVM snapshot size when a file block is rewritten with it's original contents?

  - by NevilleDNZ

  I'm exploring using LVM snapshot's to off site incremental archives from a snapshot "master" file system. In essence: simply copy across only the files on the "master" that have changed since the last incremental copy to the "archive". Then snapshot the "archive" to retain the incremental. I am a bit puzzled as to the block usage behaviour of the archive's own incremental snapshot. I'm expecting that LVM is not smart enough to know that the "file block" is actually unchanged, and the a new copy will be allocated and written for the fresh "archive" file system. Can anyone confirm this, or point me to a document/page that gives some hints? BTW: the OS hard disk cache, hard disk physical cache and hard disk itself also doesn't need to do any actual "disk writes" as the "disk block" likewise is unnecessary. Any pointers to discussion of this style of optimisation would also be ineresting.

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• VMware virtual network adapters and Windows Firewall

  - by anonymous

  I am running VMware Workstation 7.1.4 on Windows 7 Enterprise SP1-U (x64). Aside from the physical network adapter, I have created a single virtual network adapter (VMware Virtual Ethernet Adapter for VMnet1) which is connected to (can be seen by) the host and the guests. My problem is, even after applying the "*NdisDeviceType = 1" tweak to the virtual adapter, making it disappear from the Network and Sharing Center, I still can't connect to programs running in the host from the guests, unless I specifically "allowed the program to communicate with the public network" using the Windows Firewall (which I don't want to do). This happens to all the programs and services running in the host (File and Printer Sharing, Database server, HTTP proxy, etc.) I am getting the impression that applying the "*NdisDeviceType = 1" tweak only hides a network from the Network and Sharing Center but not actually making it private. Any hints and suggestions?

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