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• Upgrading from MySQL Server to MariaDB

  - by Korrupzion

  I've heard that MariaDB has better performance than MySQL-Server. I'm running software that makes an intensive use of MySQL, thats why I want to try upgrading to MariaDB. Please tell me your experiences doing this conversion, and instructions or tips. Also, which files I should take care of for making a backup of MySQL-Server, so if something goes wrong with MariaDB, I could rollback to MySQL without issues? I would use this but i'm not sure if it's enough to get a full backup of MySQL-Server confs and databases mysqldump --all-databases backup /etc/mysql My Environment: uname -a (Debian Lenny) Linux charizard 2.6.26-2-amd64 #1 SMP Thu Sep 16 15:56:38 UTC 2010 x86_64 GNU/Linux MySQL Server Version: Server version 5.0.51a-24+lenny4 MySQL Client: 5.0.51a Statistics: Threads: 25 Questions: 14690861 Slow queries: 9 Opens: 21428 Flush tables: 1 Open tables: 128 Queries per second avg: 162.666 Uptime: 1 day 1 hour 5 min 13 sec Thanks! PS: Rate my english :D

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• How to set global PATH on OS X Server 10.6.6?

  - by Adam Lindberg

  I'm running Tomcat on OS X Server 10.6.6 under the normal Web component that comes with the OS. This has worked fine so far, but I need to add some entries to the $PATH environment variable for programs that I want access to from the web server (more specifically, I'm running Hudson under Tomcat which needs access to build tools that I have installed). Tomcat and the Web component seems to run under the user _appserver which has a different $PATH than the administrator account. What's the proper way to add a global entry to the $PATH in OS X Server for the Web component? Preferable it should be done only once so that both the _appserver and Administrator user can access the same $PATH.

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• Session Variables lost between pages reloads

  - by Android Addict

  I was forced to move to IIS 7 when the server running our IIS 6 died. Nothing in the web app has changed, but it's obvious the environment has dramatically. The app fails between pages because the session variables are lost during redirect. I am not an expert on app pools but my impression from reading several posts is that the app pool is being recycled immediately. While they give a reason, they offer no help in how to resolve this. Can someone explain to a newb how to properly configure the DefaultAppPool?

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• What would be the ideal SAS package to integrate with a Enterprise scale web application developed using Java

  - by Rajesh

  SAS-Java Connectivity and Integration for a enterprise class web application - I am trying to narrow down the available approaches to connect to SAS frm Java. I am asusming the following , please correct my assumption if you think is not correct SAS ACCESS (ODBC, JDBC) /SAS Share Net- Query SAS Datasets using a JDBC Model SAS/Intr Net (For Connectivity with Java and build small scale applications) SAS Integration Technology (For Connectivity with Java and build Distributed Java Applications) Now the scenario is i need to build a enterprise class web application using Java/J2EE and ensure this application talks to SAS for Querying SAS Datasets Execute SAS Programs and generate Reports I am looking for a cost effective and robust solution which will work in a Multi user environment.

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• Changing shared printer settings to default to greyscale

  - by Chris

  My company has about 60 employees all running Windows Vista or 7 and a gigantic Minolta printer hooked up to an EFI Fiery Image Processor. We're burning about $300 a month in printer supplies alone. I'm trying to find a way to cause the printer to default to grayscale in order to save money. So far I've tried: Changing settings on the image processor Changing settings on the print server Looking through the Group Policy editor to see if I can find anything useful Creating a new printer on the print server and setting it to be grayscale only Adding the printer to my computer directly (through a TCP/IP port) and setting it to be greyscale only Has anybody successfully done this before? If so, how was it gone about? I don't expect anybody to know the specifics of my environment, I just not sure what the right direction is.

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• exported variable not persisted after script execution

  - by Daniele

  I'm facing a wierd issue. I've a vm with solaris 11, and trying to write some bash scripts. if, on the shell, I type : export TEST=aaa and subsequently run: set I correctly see a new environment variable named TEST whose value is aaa. If, however I do basically the same thing in a script. when the script terminates, I do not see the variable set. To make a concrete example, if in a file test.sh I have: #!/usr/bin/bash echo 1: $TEST #variable not defined yet, expect to print only 1: echo 2: $USER TEST=sss echo 3: $TEST export TEST echo 4: $TEST it prints: 1: 2: daniele 3: sss 4: sss and after its execution, TEST is not set in the shell. Am I missing something? I tried both to do export TEST=sss and the separate variable set/export with no difference.

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• Create Virtual Image of Laptop before Formatting

  - by Simon Mark Smith

  I have a 3 year old laptop running Windows XP that I used for business. Although I have not used the laptop in over a year, I now want to re-commission it with Windows 7 and a fresh install. Before I do the fresh install I want to create a Virtual Image of the laptop that I can keep and potentially run on my desktop machine should I ever need to access any of the old files/projects that it contains currently. I know that most people will say just copy the files over to your desktop, but my concern is the configuration of the laptop. I used to use it for development and it has older versions of Visual Studio, SQL Server, Active X controls etc, etc than I currently use so I really want to preserve the environment not just the files. So really I am asking what is the best tool-set/method to achieve this? I understand there are free VM tools available but I have never done this before and would appreciate any help.

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• Viewing file: protocol requests made from a swf

  - by Erik Vold

  I've got a swf file in a index.html file, the swf is basically loading images, but it requests a xml file which details where the image/asset files are located. Now the index file (which is just html, js, and css) works (ie: the swf file is working) when used on this url: http://localhost:8500/core/index.html which I'm able to do with Coldfusion 8 single server development environment. But when I access the file directly with this url: file:///C:/ColdFusion8/wwwroot/core/index.html the swf file does not work. So I'm guessing that the swf is having trouble locating the files that it needs. The problem is I have no idea what file urls it is try to access atm, and both Firebug and Fiddler are not able to inform me what requests are made on the file: protocol. So is there another tool that I can use?

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• Outlook 2007 Clients attachments not opening correctly

  - by Az

  Hello, Thanks for taking the time to read this. We are having an issue on our Terminal Server clients that has me perplexed. We are running Server2003 x64 and Exchange 2007 environment. When we attempt to open an attachment for example .jpeg and the user selects to open the file, it prompts them to select a program to open the file with. The file associations apear to be fine, if I save the document to the desktop and open it, it opens with the correct program automatically. If i select "always open using this program" it will then open automatically, but I don't want to have to do this for all file types we open regularly on each client. Is this some sort of Exchange server security setting that is forcing them to associate the file? Does outlook or exchange maintain its own file association database? Thanks for reading!

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• Installed Java 7, but terminal still shows Java 6

  - by chipbk10

  I've installed Java 7 on my Mac (10.7.5), but in the terminal there is still java 6. java version "1.6.0_37" Java(TM) SE Runtime Environment (build 1.6.0_37-b06-434-11M3909) Java HotSpot(TM) 64-Bit Server VM (build 20.12-b01-434, mixed mode) There will be no problem with the version 6 on terminal, if I always got that errors when I tried to install a java application (LatexDraw): : CGContextGetCTM: invalid context 0x0 : CGContextSetBaseCTM: invalid context 0x0 : CGContextGetCTM: invalid context 0x0 : CGContextSetBaseCTM: invalid context 0x0 The problem is related to instability of java 6 inferred from this link I've read this installed-java-7-on-mac-osx-but-terminal-is-still-using-version-6 and also try to change my Java version by using export JAVA_HOME="/System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Home", but in my folder /System/Library/Frameworks/JavaVM.framework/Versions, there is no version 1.7, only versions under 1.6 ??? So, how can I fix this issue?

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• How do I launch a process as a specific user at startup on OS X?

  - by Scott Bonds

  I would like to run a script as a particular user on startup (not on login). I thought a launchd LaunchDaemon would do it, but 'man launchd' says: "If you wish your service to run as a certain user, in that user's environment, making it a launchd agent is the ONLY supported means of accomplishing this on Mac OS X. In other words, it is not sufficient to perform a setuid(2) to become a user in the truest sense on Mac OS X." They aren't kidding--when I try to run my script as a LaunchDaemon it doesn't work. In particular I'm trying to automate some keychain operations using the 'security' command, and it won't let me change the default keychain when I run the script through LaunchDaemon, though the script works fine when run using sudo from a shell. A LaunchAgent won't work, because the goal is for the proces to run without a user logging in and LaunchAgents only run when someone logs in. I looked at cron and the @reboot directive and that looks promising, but I read that cron is deprecated on OSX.

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• Interface to collect successful remote backups status

  - by Aseques

  I would like to deploy into our infrastructure a web interface that could register when the copies are finished and if for some reason they haven't. The current issue is that we are doing on site backups for customers, for each backup a mail is sent ad the end of the backup, the problems is that sometimes the mail isn't sent for a variety of reasons: System doesn't have internet Backup system crashed before sending the mail etc.. What I'd like to do is to have a web interface that the backup software cant visit after doing the backup (either if it's a success or a fail), that acknowledges that the backup has finished, after some time, I'd like to receive a report of the machines that hadn't done the backup. Is there anything remotely similar to this that I could use/adapt to our environment? UPDATE: Just found out this (paessler.com) that seems to be a privative solution of what I intended.

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• winkey + arrow key doesn't move windows to 2nd monitor on linux

  - by Berry Tsakala

  in Windows, win+ <-- and win+ --> snap any window to the left/right side of a monitor, and if pressed again, snap the window to the other monitor, in multi-monitor environment. when a window is maximized, it will "restore" the window first, and at the next win+ <-- key the window will snap. this is very easy to use and remember. But on Linux a maximized window is not affected by win+ <-- , and the user must explicitly un-maximize it (win+down. the window is not moved to another monitor a side-snapped window cannot be resized - it behaves like a maximized window. is there another program that behaves like Windows, or I should write one by myself? (i'm using ubuntu/mint)

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• How can I copy and paste formatted text in Excel?

  - by Landy

  Before I ask question, I've searched but only found ways of copy and paste "formatted cell". That's not what I need. I want to use an example to explain my requirement: There are 2 cells in a sheet. Cell_A's text is "aaaaabbbbb", and "aaaaa" is green, and "bbbbb" is red. Cell_B's text is "ccccc" and "ccccc" is black. I want to copy and paste "bbbbb" from Cell_A to Cell_B and keep "bbbbb" in red. But in my environment(Office 2007), "bbbbb" is changed to black as "ccccc", the default format of Cell_B. Is there an easy way to implement my requirement?

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• How to configure to URLs for One Server using wildcard supported certificates?

  - by Amit

  Hi, We have wildcard supported certificate installed in our production environment. One of our client wants his name to appear in the URL (e.g. companyname.sitename.net). How we should facilitate this? Do we need to make any entries for this in DNS? If yes can you please let me know about it? I need to set this up before Fridat PST, any help in this is highly appriciated. Thanks.

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• My powershell script wont save a file when run using Task Scheduler, do I need to specify a specific argument?

  - by EGr

  I have a script that downloads a temporary Excel file, copies parts of it to a new file, and saves it to a specific location on the network. The problem I'm having is that the new file is never created/saved. If I run the script locally (through cmd.exe, powershell, or powershell ise), it WILL save the file locally, or to the network. If I try running the script via a schedule or on-demand via Task Scheduler, the temporary file is created, but the final document is never created or saved. Is there a specific argument I need to pass, or anything I could be doing wrong? This is the command I'm currently using: powershell.exe -file C:\path\to\my\powershell\script\thescript.ps1 Since it calls environment variables, and other variables relative to the scripts positon, I also set "Start in" to C:\path\to\my\powershell\script\

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• SOCKS Proxy and HTTP Proxy considerations with push notifications

  - by J.Ashworth

  I'm working with push notifications in a mobile application, and I've been informed that a lot of our clients may be using SOCKS or HTTP proxies for outbound and inbound traffic. Is there anything in particular I need to program or document with regards to deploying our mobile app in this sort of environment? If you were setting up and installing the application server, what guarantees would you want from the person that had programmed it? Specifically regarding push notification services for all four major OSes (APNS, GCM, BPS and MPNS). I've got absolutely no experience with proxies or server deployment, in case you couldn't tell :)

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• Strange Exchange 2010 Mailbox issues

  - by jmreicha

  A little bit of information on my environment. I have 2 Exchange 2010 mailbox servers setup in a DAG, connected to a VNX SAN via fiber for the mailbox database disks. One of the servers seems to be working fine as it isn't throwing any similar errors but the other has been receiving strange errors in Event Viewer. I haven't been able to find a pattern to when these happen and I'm not really sure what I should be looking at to troubleshoot this. At this point I am wondering if the issue resides on the SAN or if this is because of an improper shutdown or something else on the Exchange side of things? Here are a few of the errors if that helps:

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• Chain Gateways on the LAN

  - by Black2night

  I installed m0n0wall in a virtualized environment, i have 10 PCs connected to a router ( 192.168.1.0/24) which connect them to the internet through PPPoE, the problem is that this router does not have a QoS so what i want to do is the following :- let all the PCs get their IP from the Router and the default gateway will be m0n0wall the moon wall will have 2 interface (Lan 192.168.1.20) and (Wan 192.168.1.21 and default gateway 192.168.1.1) now when any PC want to access the internet it should go through m0n0wall and then m0n0wall will forward the connection to the default gateway through the wan interface which is the PPPoE running on the router (192.168.1.1) the big question is this scenario possible or not and what do you suggest? Thanks

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• Linux (non-transparent) per-process hugepage accounting

  - by Dan Pritts

  I've recently converted some java apps to run with linux manually-configured hugepages. I've got about 10 tomcats running on a system and I am interested in knowing how much memory each one is using. I can get summary information out of /proc/meminfo as described in Linux Huge Pages Usage Accounting. But I can't find any tools that tell me about the actual per-process hugepage usage. I poked around in /proc/pid/numa_stat and found some interesting information that led me to this grossity: function pshugepage () { HUGEPAGECOUNT=0 for num in `grep 'anon_hugepage.*dirty=' /proc/$@/numa_maps | awk '{print $6}' | sed 's/dirty=//'` ; do HUGEPAGECOUNT=$((HUGEPAGECOUNT+num)) done echo process $@ using $HUGEPAGECOUNT huge pages } The numbers it gives me are plausible, but i'm far from confident this method is correct. Environment is a quad-CPU dell, 64GB ram, RHEL6.3, oracle jdk 1.7.x (current as of 20130728)

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• How do I upgrade Django 1.3.1 to 1.4? Any tips, tutorials, or warnings?

  - by hobbes3

  Django 1.4 was recently released. Almost all the information about Django 1.4 is in the release note, but I didn't see anything about how to upgrade. Should I just remove the django folder inside Python's site-packges and download 1.4? I think I originally installed Django using emerge and yum but I'm not sure if the package management systems are up-to-date with Django 1.4 yet. That might be ok on my server instance (Gentoo Linux), but on my local instance I am using virtualenvwrapper (on Mac OS 10.7), so maybe I want to create a new Python virtual environment for Djago 1.4. Or maybe not since I don't really care about backward compatibility with 1.3.1.

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• How to pin NetBeans to Windows 7 taskbar?

  - by Vilx-

  I've googled around and it seems that I'm not the only one with the problem, however I couldn't find the solution. Maybe someone around here has figured it out. The problem is that netbeans.exe is actually a stub which is calling javaw.exe. When I try to pin the NetBeans process to the taskbar I actually pin "Java(TM) Platform SE Binary". That changes the icon and the pin doesn't work. The funny thing is that it works on another machine. I don't know whether it's because it's a different version of NetBeans, or a different version of Java. Has anyone figured this out? Added: I know this is sort of not programming related; on the other hand there are plenty of topics around here about how to better your programming environment, and this one is no worse than those. Oh, and btw - Windows 7 Enterprise x64; Java JDK 1.6.17; Netbeans 6.8

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• Need an alerting system if my cloning script fails

  - by rahum

  I've configured a nightly rsync to mirror one server to a standby offsite backup server. The total datastore on the primary is 1.5TB. In the course of getting this working, I ran into numerous instabilities with the environment, which I seem to have sorted out, but even though it's now working, I am still nervous. This is intended to be a disaster-scenario standby server, and if disaster strikes and the standby does not have all the proper data synchronized, I'm out of a job. Thus, I want to script a system that will confirm, after each nightly sync, that the destination data matches the source. I realize that rsync does this, but if rsync doesn't complete fully (which was happening during the setup troubleshooting), I need to know. Any suggestions? I'm best with Ruby, if that is relevant for the solution.

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• Locking down remote desktop using AD GPO

  - by Brettski

  I am currently locking down a companies remote desktop access via a VPN. What I need to do is disable remote printing, file transfer and clipboard via active directory for the workstations that will be accessed. I am having trouble figuring out which GPO's are used to restrict this. My basic approach is to restrict VPN users to port 3389 so the will be able to access their work computers remotely but nothing else (I will look into layer 7 scanning later). With this I want to ensure they are unable to transfer and data via files, printing or the clipboard. The environment is Windows Server 2003

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• eclipse IDE won't start in ubuntu 10.04 64bit with sun-java

  - by aeischeid

  i get this error when I try to run from CLI ** (Eclipse:2318): CRITICAL **: menu_proxy_module_load: assertion `dbusproxy != NULL' failed # A fatal error has been detected by the Java Runtime Environment: # SIGSEGV (0xb) at pc=0x00007f34511a4e74, pid=2318, tid=139863603410704 # JRE version: 6.0_18-b18 Java VM: OpenJDK 64-Bit Server VM (14.0-b16 mixed mode linux-amd64 ) Derivative: IcedTea6 1.8 Distribution: Ubuntu lucid (development branch), package 6b18-1.8-0ubuntu1 Problematic frame: C [libglib-2.0.so.0+0x41e74] g_main_context_prepare+0x164 # An error report file with more information is saved as: /home/aaron/opt/eclipse/hs_err_pid2318.log # If you would like to submit a bug report, please include instructions how to reproduce the bug and visit: https://bugs.launchpad.net/ubuntu/+source/openjdk-6/ The crash happened outside the Java Virtual Machine in native code. See problematic frame for where to report the bug. # I have sun-java installed and set in my PATH: ~: echo $JAVA_HOME /usr/lib/jvm/java-6-sun/

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