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• What is there in Win 7 Pro (or Ultimate) that is not there in Home Premium? - Especially considering this situation..

  - by Senthil

  I want to know the REAL difference between Windows 7 Home Premium and Professional/Utimate. In India, the cost of different versions: Ultimate - 11,200 INR Professional - 10,700 INR Home Premium - 6,600 INR The absolute cost of the first two is so high to me that the difference (500 INR) doesn't matter. So to me there is really no choice between the first two - If I decide to buy the Professional version, I'd rather go for Ultimate itself. What I want to know is, whether Home Premium is enough for my needs. I tried searching for comparison but many look like just marketing junk from MS. They are short and vague. According to this page, the major differences between Pro and HomePremium are Run many Windows XP productivity programs in Windows XP Mode. Connect to company networks easily and more securely with Domain Join. You can do both in Pro but not in Home Premium. I intend to use my Windows 7 for a small business - just starting up. So I'll be dealing with the following: All kinds of development tools, servers Very important - I will run Virtual Machine Software (MS VPC or VMWare or Sun VirtualBox etc..) My system will be acting as the server for most purposes till I can afford dedicated servers. Connect the system to a variety of network devices (PCs, Printers, etc..) Run productivity, business and financial apps Any other small software startup business requirement that I haven't thought of yet. Professional (and Ultimate) is twice as expensive as Home Premium. So it'd be great if someone can point out the things you cannot do with Home Premium, when you use it like I explained above, so that I can make a decision about which one to buy. I need some real-life experiences so that I can make an informed decision - not a decision based on marketing junk.

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• How to run multiple instances of Tor?

  - by Ed

  I'm trying to set up a special proxy server (running Windows). It will have several instances of Privoxy and Tor running and my app will choose which Privoxy instance to send HTTP requests to depending on the load. Privoxy will then forward them to Tor. I'm using srvany.exe to create the services. At the moment I'm running 3 Privoxy and 3 Tor services (I copied the binaries to different folders). Each Privoxy service is listening to its own port (8118, 8119, 8120). I can see them listening in a port scanner. This is the application path (for srvany in registry) for the 1st service: C:\Anonymiser\Privoxy 01\privoxy.exe --service I've also configured the Tor services to listen to different ports (9050, 9052, 9054). This is the application path for the 1st service: C:\Anonymiser\Tor 01\tor.exe -f "C:\Anonymiser\Tor 01\torrc" The problem is, when I start the Tor services, only the first service I start is listening to its port. The others aren't listening. They listen if I run them separately. Any ideas what could be wrong? How can I make all 3 services listen on their assigned ports? This is one of my Privoxy configs: confdir . logdir . logfile privoxy.log debug 1 # show each GET/POST/CONNECT request debug 4096 # Startup banner and warnings debug 8192 # Errors - we highly recommended enabling this listen-address localhost:8118 toggle 0 enable-remote-toggle 0 enable-remote-http-toggle 0 enable-edit-actions 1 buffer-limit 4096 forwarded-connect-retries 0 forward-socks4a / localhost:9050 . This is one of my Tor configs: ControlPort 9051 Log notice stdout SocksListenAddress localhost SocksPort 9050 EDIT: Found a workaround. The Tor binary wants a lock on a file in the AppData folder. Because all of them want a lock on the same file, only the first one I start will be working. The workaround is to run each Tor instance under a different account. Not the best solution, but it works.

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• File transfer problems through VPN when Cisco IPS is enabled

  - by Richard West

  We have a Cisco ASA 5510 firewall with the IPS module installed. We have a customer that we must connect to via VPN to their network to exchange files via FTP. We use the Cisco VPN client (version 5.0.01.0600) on our local workstations, which are behind the firewall and subject to the IPS. The VPN client is successful in connecting to the remote site. However when we start the FTP file transfer we are able to upload only 150K to 200K of data, then everything stops. A minute later the VPN session is dropped. I think I have isolated this to an IPS issue by temporarily disabling the Service Policy on the ASA for the IPS with the following command: access-list IPS line 1 extended permit ip 0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.0 inactive After this command was issued I then established the VPN to the remote site and was successful in transferring the entire file. While still connected to the VPN and FTP session I issued the command to enable the IPS: access-list IPS line 1 extended permit ip 0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.0 The file transfer was tried again and was once again successful so I closed the FTP session and reopened it, while keeping the same VPN session open. This file transfer was also successful. This told me that nothing with the FTP programs was being filtered or causing the problem. Furthermore, we use FTP to exchange files with many sites everyday without issue. I then disconnected the original VPN session, which was established when the access-list was inactive, and reconnected the VPN session, now with the access-list active. After starting the FTP transfer the file stopped after 150K. To me this seems like the IPS is blocking, or somehow interfering with the initial VPN setup to the remote site. This only started happening last week after the latest IPS signature updates were applied (sig version 407.0). Our previous sig version was 95 days old becuase the system was not auto updating itself. Any ideas on what could be causing this problem?

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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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• apache2 VirtualHost in Mac OS X home directory

  - by aaron

  I am running Macports apache2 on Mac OS X 10.5. Whenever I configure a virtual host in the default folder, it works, however when I configure the virtual host in my home directory I get a "403 Forbidden" error. How do I configure a vhost in my home directory? Here is the configuration that yields "403 Forbidden" when I access "devel.mysite.com": /opt/local/apache2/conf/extra/httpd-vhosts.conf: DocumentRoot "/opt/local/apache2/htdocs" ServerName * #CustomLog "" common <VirtualHost *:80> #DocumentRoot "/opt/local/apache2/htdocs/mysite" DocumentRoot "/Users/myuser/Sites/mysite" ServerName devel.mysite.com </VirtualHost> The error message in /opt/local/apache2/logs/devel.mysite.com-error_log: [Sat Apr 17 19:54:49 2010] [error] [client 127.0.0.1] client denied by server configuration: /Users/myuser/Sites/mysite/ When I uncomment the line to make DocumentRoot in /opt/local/apache2/htdocs/mysite, it works: DocumentRoot "/opt/local/apache2/htdocs" ServerName * #CustomLog "" common <VirtualHost *:80> DocumentRoot "/opt/local/apache2/htdocs/mysite" #DocumentRoot "/Users/myuser/Sites" ServerName devel.mysite.com </VirtualHost> I get no errors or warnings when I start apache, and the only thing that is logged on startup is this (in /opt/local/apache/logs/error_log): [Sat Apr 17 19:56:29 2010] [notice] Digest: generating secret for digest authentication ... [Sat Apr 17 19:56:29 2010] [notice] Digest: done [Sat Apr 17 19:56:29 2010] [notice] Apache/2.2.14 (Unix) mod_ssl/2.2.14 OpenSSL/0.9.8m DAV/2 configured -- resuming normal operations A few notes: * The permissions of /Home/myuser/Sites/mysite is 755, owned by myuser, group is staff * Everything else works as expected, until I move the ServerRoot of the vhost to the directory in my home

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• Overheating computer

  - by Samurai Waffle

  My computer overheats somewhat frequently, usually during intense use. And by intense use I mean browsing the internet while downloading, or gaming. It even overheats on extremely old games though, Master of Orion 2, which was developed for Windows 95. My computer has a Pentium 4 Ghz processor, 2 GB of ram, and is running Windows XP. One of the symptoms it has after overheating, is that it'll turn on immediately afterwards, but won't show any video on my monitor. I usually have to wait at least 5 minutes (mostly at least 10) before I can get it to turn on and show video on my monitor. I also usually have to wiggle around the graphics card a little bit, which is the ASUS A9550 Series with 256 MB. I'm not sure exactly what is causing the computer to overheat. At first I thought it was the video card, but after I noticed it was doing it while playing Master of Orion 2, I'm not so sure, because that game can't be making the video card work all that hard. So how exactly can I pinpoint the problem? Thanks for any help provided. Edit: Okay I downloaded the programs that you specified, and will start benchmarking my system to try and pinpoint what's overheating. What is the temperature range for when it's getting to hot? Also I have an abundant amount of software experience with computers, but unfortunately not to much hardware experience.

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• What tells initramfs or the Ubuntu Server boot process how to assemble RAID arrays?

  - by Brad

  The simple question: how does initramfs know how to assemble mdadm RAID arrays at startup? My problem: I boot my server and get: Gave up waiting for root device. ALERT! /dev/disk/by-uuid/[UUID] does not exist. Dropping to a shell! This happens because /dev/md0 (which is /boot, RAID 1) and /dev/md1 (which is /, RAID 5) are not being assembled correctly. What I get is /dev/md0 isn't assembled at all. /dev/md1 is assembled, but instead of using /dev/sda2, /dev/sdb2, /dev/sdc2, and /dev/sdd2, it uses /dev/sda, /dev/sdb, /dev/sdc, /dev/sdd. To fix this and boot my server I do: $(initramfs) mdadm --stop /dev/md1 $(initramfs) mdadm --assemble /dev/md0 /dev/sda1 /dev/sdb1 /dev/sdc1 /dev/sdd1 $(initramfs) mdadm --assemble /dev/md1 /dev/sda2 /dev/sdb2 /dev/sdc2 /dev/sdd2 $(initramfs) exit And it boots properly and everything works. Now I just need the RAID arrays to assemble properly at boot so I don't have to manually assemble them. I've checked /etc/mdadm/mdadm.conf and the UUIDs of the two arrays listed in that file match the UUIDs from $ mdadm --detail /dev/md[0,1]. Other details: Ubuntu 10.10, GRUB2, mdadm 2.6.7.1 UPDATE: I have a feeling it has to do with superblocks. $ mdadm --examine /dev/sda outputs the same thing as $ mdadm --examine /dev/sda2. $ mdadm --examine /dev/sda1 seems to be fine because it outputs information about /dev/md0. I don't know if this is the problem or not, but it seems to fit with /dev/md1 getting assembled with /dev/sd[abcd] instead of /dev/sd[abcd]2. I tried zeroing the superblock on /dev/sd[abcd]. This removed the superblock from /dev/sd[abcd]2 as well and prevented me from being able to assemble /dev/md1 at all. I had to $ mdadm --create to get it back. This also put the super blocks back to the way they were.

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• Side-By-Side Configuration Error VC90.CRT

  - by Swiss

  I keep receiving the following error when trying to run MikTeX 2.8 or Visual Studio 2008 on 64-Bit Windows Vista. It's particularly odd because both programs were working problem free until a few days ago. The application has failed to start because its side-by-side configuration is incorrect. Please see the application event log for more detail. Opening the Application log provides the following information: Activation context generation failed for "C:\Program Files (x86)\MiKTeX 2.8\miktex\bin\texworks.exe". Error in manifest or policy file "C:\Program Files (x86)\MiKTeX 2.8\miktex\bin\Microsoft.VC90.CRT.MANIFEST" on line 4. Component identity found in manifest does not match the identity of the component requested. Reference is Microsoft.VC90.CRT,processorArchitecture="x86",publicKeyToken="1fc8b3b9a1e18e3b",type="win32",version="9.0.30729.4148". Definition is Microsoft.VC90.CRT,processorArchitecture="x86",publicKeyToken="1fc8b3b9a1e18e3b",type="win32",version="9.0.30729.1". Please use sxstrace.exe for detailed diagnosis. It looks like the problem is with Microsoft.VC90.CRT.MANIFEST, but I am not sure why or how to fix this problem. I have tried uninstalling/reinstalling Visual Studio and MikTeX, as well as uninstalling/reinstalling Microsoft's C++ Redistributable, but nothing seems to be fixing this problem.

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• solr php extension fails to run on newest Debian Wheezy

  - by hijarian

  I'm trying to use the Solr PHP extension on the recently-upgraded Debian Wheezy. It installs both from PECL and from sources flawlessly but instead of giving me expected functionality it gives me this on every PHP run: PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php5/20100525/solr.so' - /usr/lib/php5/20100525/solr.so: undefined symbol: curl_easy_getinfo in Unknown on line 0 Also scripts which use the extension throws an error PHP Error[2]: include(SolrClient.php): failed to open stream: No such file or directory in file <...path to my autoloader...> My main point is that it was set up before and worked like a charm. In the upgrade among the relevant packages only the versions of PHP and libcurl was changed. Instance of Solr itself was left as is. I have all possible libcurl libraries: $ locate libcurl ... /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.3 /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4 /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.2.0 /usr/lib/x86_64-linux-gnu/libcurl.a /usr/lib/x86_64-linux-gnu/libcurl.la /usr/lib/x86_64-linux-gnu/libcurl.so /usr/lib/x86_64-linux-gnu/libcurl.so.3 /usr/lib/x86_64-linux-gnu/libcurl.so.4 /usr/lib/x86_64-linux-gnu/libcurl.so.4.2.0 ... /usr/lib32/libcurl.so.3 /usr/lib32/libcurl.so.4 /usr/lib32/libcurl.so.4.2.0 ... I have instaled the php5-curl package version 5.4.4-2 with aptitude. I installed the Sorl extensions both with sudo pecl install solr (with various combinations of -f and -n flags and tried solr-beta too) and with wget ... cd ... phpize ./configure make make install I'm installing the 1.0.2 version of extension because it worked before the upgrade from Squeeze to Wheezy. As I said earlier, extension installs without any errors. I have already added the extension=solr.so incantation to the /etc/php5/mods-available/solr.ini What magic should I do to make solr extension work? Is this true that the only solution that I have is to downgrade the libcurl version as it was before the upgrade?

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• How to do 'search for keyword in files' in emacs in Windows without cygwin?

  - by Anthony Kong

  I want to search for keyword, says 'action', in a bunch of files in my Windows PC with Emacs. It is partly because I want to learn more advanced features of emacs. It is also because the Windows PC is locked down by company policy. I cannot install useful applications like cygwin at will. So I tried this command: M-x rgrep It throws the following error message: *- mode: grep; default-directory: "c:/Users/me/Desktop/Project" -*- Grep started at Wed Oct 16 18:37:43 find . -type d "(" -path "*/SCCS" -o -path "*/RCS" -o -path "*/CVS" -o -path "*/MCVS" -o -path "*/.svn" -o -path "*/.git" -o -path "*/.hg" -o -path "*/.bzr" -o -path "*/_MTN" -o -path "*/_darcs" -o -path "*/{arch}" ")" -prune -o "(" -name ".#*" -o -name "*.o" -o -name "*~" -o -name "*.bin" -o -name "*.bak" -o -name "*.obj" -o -name "*.map" -o -name "*.ico" -o -name "*.pif" -o -name "*.lnk" -o -name "*.a" -o -name "*.ln" -o -name "*.blg" -o -name "*.bbl" -o -name "*.dll" -o -name "*.drv" -o -name "*.vxd" -o -name "*.386" -o -name "*.elc" -o -name "*.lof" -o -name "*.glo" -o -name "*.idx" -o -name "*.lot" -o -name "*.fmt" -o -name "*.tfm" -o -name "*.class" -o -name "*.fas" -o -name "*.lib" -o -name "*.mem" -o -name "*.x86f" -o -name "*.sparcf" -o -name "*.dfsl" -o -name "*.pfsl" -o -name "*.d64fsl" -o -name "*.p64fsl" -o -name "*.lx64fsl" -o -name "*.lx32fsl" -o -name "*.dx64fsl" -o -name "*.dx32fsl" -o -name "*.fx64fsl" -o -name "*.fx32fsl" -o -name "*.sx64fsl" -o -name "*.sx32fsl" -o -name "*.wx64fsl" -o -name "*.wx32fsl" -o -name "*.fasl" -o -name "*.ufsl" -o -name "*.fsl" -o -name "*.dxl" -o -name "*.lo" -o -name "*.la" -o -name "*.gmo" -o -name "*.mo" -o -name "*.toc" -o -name "*.aux" -o -name "*.cp" -o -name "*.fn" -o -name "*.ky" -o -name "*.pg" -o -name "*.tp" -o -name "*.vr" -o -name "*.cps" -o -name "*.fns" -o -name "*.kys" -o -name "*.pgs" -o -name "*.tps" -o -name "*.vrs" -o -name "*.pyc" -o -name "*.pyo" ")" -prune -o -type f "(" -iname "*.sh" ")" -exec grep -i -n "action" {} NUL ";" FIND: Parameter format not correct Grep exited abnormally with code 2 at Wed Oct 16 18:37:44 I believe rgrep tried to spwan a process and called 'FIND' with all the parameters. However, since it is a Windows, the default Find executable simply does not know how to handle. What is the better way to search for a keyword in multiple files in Emacs on Windows platform, without any dependency on external programs? Emacs version: 24.2.1

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• Windows Server 2008R2 - can't change or remove the default gateway

  - by disserman

  We've installed VMWare Server 2.0 on Windows 2008R2. After some time playing with it (actually only removing host-only and nat networks, and binding adapters to the specified vmnets) we've noticed a strange problem: if you change or remove the default gateway on the network card, the server completely loses a network connection you can't ping it from the subnet, it also can't connect to anyone. When the gateway is removed and a server tries to connect to the other machines, I can see some incoming packets using a sniffer, but I believe they are damaged in some kind (I'm not a mega-guru in TCP/IP and can't find a mistake in a binary translation of the packet) because the other side doesn't respond. What we tried: removed vmware server using add/remove programs deleted everything related to the vmware server and all installed network adapters in the windows registry double checked for the vmware bridged protocol driver file, it's physically absent and no any links in the registry. performed a tcp/ip reset with netsh and disabled/enabled all network adapters in the device manager to recreate a registry keys for them. tried another network adapter. and the situation is the same: as soon you remove or change the default gateway, windows stops working. The total absurd of the situation is that the default gateway points to the non-existing IP. But when it's set, you can ping a server from the subnet, when you remove it - you can't. Any help? I'm starting thinking the new build of the VMWare Server is some kind of the malware... :)

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• ZFS - zpool ARC cache plus L2ARC benchmarking

  - by jemmille

  I have been doing lots of I/O testing on a ZFS system I will eventually use to serve virtual machines. I thought I would try adding SSD's for use as cache to see how much faster I can get the read speed. I also have 24GB of RAM in the machine that acts as ARC. vol0 is 6.4TB and the cache disks are 60GB SSD's. The zvol is as follows: pool: vol0 state: ONLINE scrub: none requested config: NAME STATE READ WRITE CKSUM vol0 ONLINE 0 0 0 c1t8d0 ONLINE 0 0 0 cache c3t5001517958D80533d0 ONLINE 0 0 0 c3t5001517959092566d0 ONLINE 0 0 0 The issue is I'm not seeing any difference with the SSD's installed. I've tried bonnie++ benchmarks and some simple dd commands to write a file then read the file. I have run benchmarks before and after adding the SSD's. I've ensured the file sizes are at least double my RAM so there is no way it can all get cached locally. Am I missing something here? When am I going to see benefits of having all that cache? Am I simply not under these circumstances? Are the benchmark programs not good for testing the effect of cache because of the the way (and what) it writes and reads?

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• Force Windows Local Subnet Traffic through a Gateway

  - by Beerey

  Hi all, We are attempting to route all traffic from a certain machine to a gateway. This works ok for traffic destined for subnets outside of the machine's subnet. However, traffic to machines in the same subnet as the source machine goes through an On-Link gateway in Windows. This means that the default gateway is ignored, and traffic in a subnet (for example, 192.168.50.10 - 192.168.50.11) flows. Destination Netmask Gateway Interface Metric 192.168.50.0 255.255.255.0 On-link 192.168.50.214 276 This route can be deleted from Windows, but when the machine is rebooted it always comes back. Adding a persistant static route to the gateway with a lower metric doesn't work, since it will still try the On-Link gateway after the persistant route fails. Adding each machine in a VLAN isn't an option due to the setup we have Adding a startup script to delete the gateway isn't a great option either, since users will have full admin access to the machine and might disable the script. We cannot transperantly intercept all network traffic on the subnet using Gratuitous ARPs or transparent proxying, since there are other machines on the subnet which use a different gateway The only way we have gotten it to work is by adding a persistant route to the gateway for the subnet traffic, and deleting the On-link route on reboot. The question is then. Is there a way to permanently remove this On-link route If not, is there a way to otherwise force even local subnet traffic to go through a gateway?

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• Open Office crashes, recovers, crashes again

  - by Daniel R Hicks

  After completely reinstalling my laptop due to apparent registry corruption, I've encountered a problem with Open Office: I open a simple Calc spreadsheet, it comes up normally, but then after anywhere from 5 seconds to several minutes (without even touching the Calc window) OO crashes, then comes up through recovery. If I let it "recover" it will do so and bring the spreadsheet up again, only to repeat the crash scenario again. If I kept clicking "OK" it would apparently do this all day. I reinstalled OO once and the problem went away for awhile, but it came back. I then attempted to "reset" my profile (ie, rename the OO user directory in App Data), but OO crashed during the first startup after that, then resumed the original behavior. If I open the same file using Excel it complains of errors in the file, and "recovers" them, but the "error report" it generates contains no details. If I save the "recovered" file then OO Calc will open it, but the problem returns after saving again. Any ideas? (The system is Vista SP2, running OO 3.4.1) How to reproduce: Start Open Office Calc. Save workspace as "CrashTest.ods" From Task Manager kill Open Office (soffice.exe/bin -- one of each) Double click on the saved "CrashTest.ods" in Explorer. OO puts up a message that recovery will occur -- allow it. When the Calc window comes up, don't touch it -- just wait about 10 seconds. Calc window closes and OO puts up a message that recovery will occur -- from now on the sequence will repeat. I suspect this behavior is limited to a few (recent) versions of OO, and very possibly only Calc. Reported as Open Office Bug 1211094. Sigh!! As much as it irritates me, I'm having to switch over to Excel for several things I used to do with Calc. Excel has a miserable UI, but at least it says up for longer than 10 seconds.

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• IRC newbie needs detailed "How To" directions for freenode.net connection with OS X IRC app

  - by Johnny Utahh

  Newbie IRC user here. Trying to get connected on freenode.net, preferably with a native Mac OS X client (I'm running 10.6.8), or at least something with a good "OS X feel." Also seeking a client that comes "well regarded" in Mac community (eg, Linkinus reflects outstanding Apple App Store user ratings). Thus far have found it remarkably difficult to "get started from scratch" with ANY client. All attempted clients (Colloquy, Textual, Linkinus) experience some sort of "* Notice -- You need to identify via SASL to use this server" error. I see this freenode SASL-friendly client list; am I really limited to only these clients? This "IRC-freenode startup" procedure has been far more difficult than I had originally anticipated. Why can't I just do this and have it "just work"? Bottom line: looking for a "chapter and verse"/cookbook description of how to get started with freenode.net IRC chat rooms on Mac OS. Need reference to known-working client, and then exact directions on how to get connected to a chat room with a nickname.

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• Imagemagick PDF to JPG conversion failing

  - by Scott

  I'm trying to convert the first page of a PDF to a JPG. I'm pretty sure I got this to work with certain PDFs, but is it really possible that certain PDFs are made incorrectly and cannot be converted? I tried running this first: $ convert 10-03-26.pdf[1] test.jpg And I got the follow: Error: /syntaxerror in readxref Operand stack: Execution stack: %interp_exit .runexec2 --nostringval-- --nostringval-- --nostringval-- 2 %stopped_push --nostringval-- --nostringval-- --nostringval-- false 1 %stopped_push 1 3 %oparray_pop 1 3 %oparray_pop --nostringval-- --nostringval-- --nostringval-- --nostringval-- --nostringval-- --nostringval-- Dictionary stack: --dict:1062/1417(ro)(G)-- --dict:0/20(G)-- --dict:73/200(L)-- --dict:73/200(L)-- --dict:97/127(ro)(G)-- --dict:229/230(ro)(G)-- --dict:14/15(L)-- Current allocation mode is local ESP Ghostscript 7.07.1: Unrecoverable error, exit code 1 convert: Postscript delegate failed `10-03-26.pdf'. Running this instead: $ convert -verbose -colorspace rgb '10-03-26.pdf[1]' test.jpg I get the following: Error: /syntaxerror in readxref Operand stack: Execution stack: %interp_exit .runexec2 --nostringval-- --nostringval-- --nostringval-- 2 %stopped_push --nostringval-- --nostringval-- --nostringval-- false 1 %stopped_push 1 3 %oparray_pop 1 3 %oparray_pop --nostringval-- --nostringval-- --nostringval-- --nostringval-- --nostringval-- --nostringval-- Dictionary stack: --dict:1062/1417(ro)(G)-- --dict:0/20(G)-- --dict:73/200(L)-- --dict:73/200(L)-- --dict:97/127(ro)(G)-- --dict:229/230(ro)(G)-- --dict:14/15(L)-- Current allocation mode is local ESP Ghostscript 7.07.1: Unrecoverable error, exit code 1 "gs" -q -dBATCH -dSAFER -dMaxBitmap=500000000 -dNOPAUSE -dAlignToPixels=0 "-sDEVICE=pnmraw" -dTextAlphaBits=4 -dGraphicsAlphaBits=4 "-g792x1611" "-r72x72" -dFirstPage=2 -dLastPage=2 "-sOutputFile=/tmp/magick-XXU3T44P" "-f/tmp/magick-XXoMKL8Z" "-f/tmp/magic2eec1F"Start of Image Define Huffman Table 0x00 0 1 5 1 1 1 1 1 1 0 0 0 0 0 0 0 Define Huffman Table 0x01 0 3 1 1 1 1 1 1 1 1 1 0 0 0 0 0 Define Huffman Table 0x10 0 2 1 3 3 2 4 3 5 5 4 4 0 0 1 125 Define Huffman Table 0x11 0 2 1 2 4 4 3 4 7 5 4 4 0 1 2 119 End Of Image convert: Postscript delegate failed `10-03-26.pdf'. Why would the conversion fail? Just as an aside, this is happening on a (gs) Grid-Service on (mt) Media Temple hosting. I cannot install programs on the server, but both Imagemagick and Ghostscript are installed Thanks!

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• How do I force Windows 7 to recognize my Projector?

  - by user63564

  I have a new Dell XPS with an NVIDIA GeForce GT 445M and an old (several years) Epson PowerLite Cinema 550 projector. Windows 7 refuses to recognize that the projector is connected under normal conditions (I'll get to the strange condition in a moment). Here are some things that I have already tried: Confirm that the projector continues to work well on my old Windows XP laptop. Confirm that the video cable (HDMI to HDMI) is connected Make sure the Dell laptop is plugged in to wall power at all times Reboot both the computer and the projector Click "Detect" under the "Connect to an External Display" Windows dialog (no reaction) Click "Rigorous Display Detection" under NVIDIA Control Panel (dialog: none found) Checked "Force Television Detection on startup" under "My display is not shown..." in NVIDIA Control Panel (no effect) Here's where it gets weird... My projector has three states: off, standby and on. Standby means the power switch on the back is on, but the projector is effectively off (no picture, no access to menu or controls). When I plug in the HDMI cable while the projector is in standby, Windows detects the projector! It lets me switch to Duplicate, Extend, or Project Only mode, and adjusts the resolution appropriately. A new Generic Plug-n-Play monitor shows up in my device manager. A "Seiko EPSON PJ" display shows up in my NVIDIA control panel. Then if I turn my projector on, Windows no longer recognizes the display. This is true whether I turn the projector on while the HDMI cable is plugged in, or if I unplug the HDMI cable while turning on the projector. Anyone have any ideas, because I'm completely stumped...?

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• Backup program for Windows using non-proprietary format?

  - by Cristi Diaconescu

  I'm looking at the various local backup programs for windows, and I was wondering which of them use a non-proprietary backup format? By non-proprietary, I mean I want to be able to access at least the latest version of the backed up files either directly, or by using an open-standard format like zip/7z/rdiff... The other thing I'm looking for in a backup program is the ability to create incremental backups. What I have found so far: SyncBack copies files as-is, using separate directories for versioning pretty much the same for all the 'roll you own' task scheduler + rsync/xcopy32/robocopy/MS SyncToy/etc solutions GFI Backup appears to be using Zip files, at least in their 'Business' version, not sure about the free 'Home' version. Didn't try it yet, but it's next on my list. Mozy (!) supports local backup starting with v 2.0 and basically provides a 2nd local copy on a separate partition. Subjectively, it feels slow and resource intensive (I think it took more than a week to finish the first local backup of ~ 300 GB), and does not appear to offer file versioning (arguably, you can get older file versions online). On the positive side, it looks like the local backup is integrated in the restore process which was traditionally a masochistic experience (and this goes for any online backup provider). Other suggestions? I favor ease of use over tons of options (e.g. SyncBack is very flexible but it offers sooo many ways to shoot yourself in the foot...)

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• Setting up multiple servers for one domain

  - by Joseph Torraca

  So I am starting up a new website and I was wondering how to set up 5 servers to host the site. I have already purchased 5 Apple XServes, one will be used as a test server and the other 4 will be for the live site. So I have read some website on the internet and they all reference using one server and installing software onto it and have that server do the load balancing. I have also read that you could use a hardware, rack-mounted system and plug the servers into that. The load balancer would then distribute the load. So I have a few questions about each: 1) How do you set up the software version and have the other servers as "slaves" and have one "master" to direct traffic? 2) Which of the two options above are more reliable, and better suited for a startup that doesn't have many users per month, yet(hopefully)? 3) Is there a theoretical max limit of servers that can be connected to a software load balancing system? Note: Obviously this will change from software to software, but in terms of the server being able to handle it? 4) In your own opinion, what are you using for your sites? Have you had any problems setting up that system or operating it once its running? Are there any things you would stay away from if you had to start over? 5) I also purchased a Apple RAID system, so if you are familiar with it, is there any way to connect it to multiple Xserves so they all serve the same data? I'm a little confused on this, so thanks for all your help and being patient with me. Note: Take it easy on me, I am learning this as I go along, so I may have used terms incorrectly or explained things that don't really make sense. Sorry. P.S. If you need me to supply the specs on the servers to determine which system makes the most sense, I can post them for you.

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• Is there a way to tell SGE to run specific jobs as root on the execution node?

  - by Rick Reynolds

  The title kinda says it all... We're using SGE/OGE to submit jobs to a set of worker nodes that then do things with specific pieces of equipment. The programs and scripts that have been created that manipulate this equipment rely on running as root. I'd like SGE to handle allocation of resources in a way that is mindful of users, groups, projects, etc., but I also need the actual jobs to run with root permissions. I've read up on How can one run a prologue script as root in gridengine? to see if anything there was pertinent, but it seems that SGE is providing the "user@" kind of spec specifically for prolog and epilog kinds of actions. Is there any similar functionality for the job itself? I'm aware of su/sudo approaches, but that won't really work in this environment because the sudoers file isn't globally managed (i.e. I'd have to add a whole set of users to /etc/sudoers on lots of machines). I'm currently looking into a setuid kind of solution, but that would definitely be an unnecessary kind of work-around if SGE provides me a way to declare that a specific job (or jobs in a specific queue) always needs to run with a specific user's rights.

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• How to stop SophosAV from scanning directories under source control

  - by user26453

  From googling it seems its well known that SophosAV as well as other AV programs have issues with how they interact and can inhibit source control utilities like TortoiseHG or TortoiseSVN. One solution is to exclude directories under source control from on-access scanning as detailed here on Sophos's support site. There is a corollary article that mentions some issues related to this, namely need to place multiple entries for exclusions based on the possibility of the location being accessed through the short vs. long name (e.g., Progra~1 vs. "Program Files"). One other twist is I am using a junction to relocate my user directory, C:\Users\Username, to a second hard drive, E:. Since I am not sure how this interacts I have included the source control directory as they are nested in both locations. As a result, I have included the two exclusions for the on-access scanning exclusions (and to be on the safe side on-demand exclusions as well, although this should only come into play when I select a parent directory of the exclusion to be scanned on-demand, but still). You'll notice I have no need to add extra exclusions for those locations based on short vs. long name distinctions. The two exclusion I have then, for both on-access and on-demand scanning exclusions are: C:\Users\Username\source-control-directory E:\source-control-directory However, this does not seem to work as TortoiseHG still lags terribly in response to any request as AV software starts scanning when the directory is accessed via TortoiseHG. I can verify without a doubt that Sophos is causing the problems: I can completely disable on-access scanning. Once this is done TortoiseHG responds very fast to all operations. I cannot leave this disabled obviously, but since the exclusion don't seem to be working, what next?

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• Accidently overwrote system.dbf - What now?

  - by Filip Ekberg

  I accidentally overwrote system.dbf in /usr/lib/oracle/xe/oradata/XE/system.dbf Well I did not actually do it accidentally, however I overwrote it because of other failures in the database. And when I try running the following: SQL> shutdown ORA-01109: database not open Database dismounted. ORACLE instance shut down. SQL> startup ORACLE instance started. Total System Global Area 289406976 bytes Fixed Size 1258488 bytes Variable Size 92277768 bytes Database Buffers 192937984 bytes Redo Buffers 2932736 bytes Database mounted. ORA-01589: must use RESETLOGS or NORESETLOGS option for database open Now I want to try to Recover the database because starting it in mounted or standard surely doesn't work. SQL> recover database using backup controlfile; ORA-00283: recovery session canceled due to errors ORA-01110: data file 1: '/usr/lib/oracle/xe/oradata/XE/system.dbf' ORA-01122: database file 1 failed verification check ORA-01110: data file 1: '/usr/lib/oracle/xe/oradata/XE/system.dbf' ORA-01206: file is not part of this database - wrong database id How do I solve this? Is it even possible? My "real" problem was that I ran the /etc/init.d/oracle-xe configure and it overwrote my old configuration and probably removed passwords and such so my tables were gone, however I found the mytablespace.dbf so I hope that it is possible to recover? Please shed some light on this.

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• Java plugin in the browser doesn't work even though it is enabled

  - by Pratyush Nalam

  I installed the Java Development Kit (64-bit) recently and saw it includes the JRE plugin for 64-bit as well. But, since Firefox is 32-bit, I also installed JRE 32-bit version. This is what is shown in Programs and Features. Now, the problem is, the other day, I opened a site which required the Java plugin. The frame showed the regular Java loading animation and hung. Nothing happened after that. Like this: I checked Firefox's plugins section and it shows Java is enabled, so no issue there I tried other browsers - IE10 and Chrome but to no avail. It doesn't work anywhere. I saw another question which said that you have to install 64-bit then 32-bit. That's what I actually did as well. First, installed JDK 7 64-bit (which includes JRE 7 64-bit) and then installed JRE 7 32-bit. I even tried the Java website's Do I have Java? section and over there too, it just keeps spinning for ages (I have waited for more than 10-20 seconds). How do I go about now? This never happened to me in Windows 7. I am on Windows 8 Pro.

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• Files Corrupted on System Restore

  - by Yar

  I restored OSX 10.6.2 today (was 10.6.3 and not booting) by copying the system over from a backup. The data directories were not touched. I am seeing some files as 0 bytes, and getting permission-denied errors when copying, even when using sudo cp or the Finder itself. Some programs, differently, take the files at face value and see no permission problems (such as zip), but they see the files as zero bytes, which would be game-over for recovery. cp: .git/objects/fe/86b676974a44aa7f128a55bf27670f4a1073ca: could not copy extended attributes to /eraseme/blah/.git/objects/fe/86b676974a44aa7f128a55bf27670f4a1073ca: Operation not permitted I have tried sudo chown, sudo chmod -R 777 and sudo chflags -R nouchg which do not change the end result. Strangely, this is only affecting my .git directories (perhaps because they start with a period, but renaming them -- which works -- does not change anything). What else can I do to take ownership of these files? Edit: This question comes from StackOverflow because I originally thought it was a GIT problem. It's definitely not (just) GIT. Anyway, this is to help put some of the comments in context.

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• Linux Distro for Beginners

  - by XLR3204S

  Well... I know that's the question arising all over the Internet, but I couldn't find an answer to suit me after googling for quite some time. I'd like to get a Linux distribution, and start learning using the CLI. I'm looking for a distribution already having GNOME installed, as I'll be using Linux-Command.org as my learning resource, and I'm not very familiar with CLI-based web browsers. I'd mainly like to get to know my way around a UNIX-based system, and then I think I'd like to pick up a CLI-only distribution, and start doing more complex stuff. I've tried Ubuntu, Fedora Core, OpenSolaris and FreeBSD (the last two aren't linux distros, I know). Ubuntu and FC are fine, they do come with Firefox, but I'm not really sure they're meant for learning purposes. OpenSolaris was OK as well, but I haven't got to play with it enough. FreeBSD 7.2 did not want to install itself on my 13" MacBook Pro, it generated a kernel panic everytime while copying the files to the disk. So to sum this up, I'm trying to learn Linux, and I'm willing to invest time into this (that is, not giving up when the first problems arise). I also have intermediate knowledge of C++, if it helps, and I'm also using the CLI-vim to write small C++ CLI-based programs, so text editing should be any problem. And... speaking of Macs, how am I going to be limited if I try to learn how to use UNIX-based systems using the OS X Terminal? It uses bash 3.2, isn't this the same shell as the one found on most of the Linux machines? How does the fact that OS X is based on FreeBSD 4.4, if I'm not mistaking, affect this? Thanks in advance, and hopefully, I'll have a starting point ASAP.

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