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• how can I get 32-bit program to run on 64-bit Ubuntu?

  - by Carol

  Sorry to be asking this, but I have read quite a few posts and articles a lot of places wrt the issue I am having, to no avail. I am trying to get a Second Life Viewer (Firestorm) to run, and just keep getting the '64-bit error message' it throws. I have installed every 32-lib I can find, still doesn't work. I think I am surely missing some setting somewhere, or running Firestorm from the wrong place, or something, but I have no idea what. FWIW, Firestorm loads but doesn't behave right in the 32-bit version, either. I have actually tried several linux distros, 32 and 64-bit. Mint 32-bit runs it straight off, and Mint 64-bit throws the '64-bit error'. openSUSE, any version, won't run it at all. Oh, and all the other SL viewers I have tried behave the same way. I am beginning to wonder if my set-up just doesn't like linux. Here is my system info: CPU: Intel(R) Core(TM) i5 CPU 750 @ 2.67GHz (2661 MHz) Memory: 4026 MB OS Version: Linux 3.2.0-29-generic-pae #46-Ubuntu SMP Fri Jul 27 17:25:43 UTC 2012 i686 Graphics Card Vendor: ATI Technologies Inc. Graphics Card: ATI Radeon HD 5700 Series I appreciate any help anyone can give me! Thanks so much! Carol :)

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• Mouse doesn't work & internet connection not made in Ubuntu 12.04 LTS

  - by David Skare

  Yesterday, Nov 15, 2012, I booted into my Ubuntu 12.04 LTS system. It has resided on a Crucial 128 GB SSD with about 90% free space since early summer. I also have Windows 7 loaded on another Crucial 256 GB SSD. Ubuntu has set up a dual boot system for me even though each OS has its own SSD. I have been using this setup without problems since summer. Yesterday, when the boot process finished, my Microsoft Comfort Mouse 3000 did not work and there was a message that Ubuntu was not connected to the internet. So w/o the mouse I was forced to turn the machine off manually. About 4 days ago Ubuntu worked fine and booting into Win 7 also works fine. I have a backup machine with the same style mouse on it so I swapped the mouse onto this system. Same results. But both mice work when booting into Win 7. Today I removed both SSDs and installed my Ubuntu 12.04 HD which has not been used since I moved Ubuntu to the SSD from it. Same results. Between the last time I used Ubuntu 12.04 on the SSD and when I tried to use it again I made no changes to my machine, either hardware or software. My machines specs are: AMD FX-6100, MSI 990FXA-GD65 AM3+ format with latest BIOS (Ver 19.9), Corsair Vengeance 1866 MHz memory - 16 GB (4GB X 4 sticks), MSI N580GTX video card (nVidia 306.97 drivers), Sony Bravia 32" HD TV as a monitor, Pioneer BluRay DVD-RW, DSL connection to internet thru a router (10 mps), Crucial 128 GB SSD (90% free space), Microsoft Comfort Mouse 3000 I try to maintain current BIOS and drivers for all devices. I mostly use my Ubuntu system for programming in GCC and OpenCOBOL, surfing the internet and e-mailing. No games are installed. I'm stumped! If anyone has experienced this same problem I'd appreciate knowing how you solved it. TIA, Dave

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• Destination host unreachable, but the errorlevel is 0 (from a win7)

  - by Doron

  From a windows 7 machine, I ping a non existing ip address. C:ping 192.168.1.222 Pinging 192.168.1.222 with 32 bytes of data: Reply from 192.168.1.222: Destination host unreachable. Reply from 192.168.1.222: Destination host unreachable. Reply from 192.168.1.222: Destination host unreachable. Ping statistics for 192.168.1.222: Packets: Sent = 3, Received = 3, Lost = 0 (0% loss) Even though there is no reply, the errorlevel is set to 0. *what I am trying to do, is figure out if a remote machine is replying to ping. One of my test is to turn off the machine and ping it. For some reason, ping sets errorlevel to 0 *

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• Cheapest way to go for somebody who wants to accept payments, but won't be accepting hundreds of ord

  - by blockhead

  I have a client who lectures, and wants to sell spots to his lecture online. I would preferably like to set him up with a solution that allows me to collect billing information on his site. My experience with e-commerce is in using solutions like Authorize.net, however this does not seem cost effective since I can't imagine he's making a huge profit off of this. I'm afraid he would lose money in the cost of using Authorize.net (or any payment gateway for the matter). I could use google checkout or paypal express, but this would require me to leave his site (although with google checkout, it looks like, from a glance, that I could just submit to their form from my server, and likely with paypal as well, but I don't know if this is against their TOS). What is the most cost-effective solution for accepting credit card payments in this situation?

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• Properly configuring Linux keyboard on my laptop

  - by antoniocs

  Hey! I have a ps/2 keyboard connected to an Acer Aspire 1694 WLMI via a ps/2 to usb converter. The laptop is running Ubuntu 9.04. The keyboard is a HP model number: SK-250C. I have configured in the 'Keyboard Preferences' the layout to HP SK-250x Multimedia Keyboard. The big problem is when I press certain keys (like for example the arrow keys) I get the 'Save Screenshot' dialog. This is really getting annoying, sometimes I am tying to write an address in browser and just want to go back a few letters and can't. There are other keys that trigger the dialog also (windows key, insert key, home key, page up and page down key, delete key, end key) All works fine If I use the laptop keyboard, but I really want to use the HP keyboard. EDIT: I was testing this and it seems that if I have the 'Num Lock' key turned off the keys work properly. Strange but true!!

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• Antenna Aligner Part 3: Kaspersky

  - by Chris George

  Quick one today. Since starting this project, I've been encountering times where Nomad fails to build my app. It would then take repeated attempts at building to then see a build go through successfully. Rob, who works on Nomad at Red Gate, investigated this and it showed that certain parts of the message required to trigger the 'cloud build' were not getting through to the Nomad app, causing the HTTP connection to stall until timeout. After much scratching heads, it turns out that the Kaspersky Internet Security system I have installed on my laptop at home, was being very aggressive and was causing the problem. Perhaps it's trying to protect me from myself? Anyway, we came up with an interim solution why the Nomad guys investigate with Kaspersky by setting Visual Studio to be a trusted application with the Kaspersky settings and setting it to not scan network traffic. Hey presto! This worked and I have not had a single build problem since (other than losing internet connection, or that embarrassing moment when you blame everyone else then realise you've accidentally switched off your wireless on the laptop).

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• Boot problems w/ External HDD

  - by JeremyT

  I'm having a problem with booting a live image off of a USB Hard Drive. I used Startup Disk Creator to make an Ubuntu 11.10 live image on a partition on my external so that I can use it on various computers. I set it up with ~4GB of persistent data So far I've tried it on two computers. One, a Dell, will boot to my external but it loads the select boot device very slowly. It hangs on a screen with an underscore for up to 5 minutes until it allows me to select which drive I want to boot from. After that, it works great. However, on my primary computer it doesn't work at all. It's an Acer from 2009 and it won't even recognize the drive. I don't see it anywhere in BIOS or the select boot disk list. The light on the external will come on at boot just fine so I know it's powering it at this time. Both computers worked perfectly with my 4GB flash drive that I had partitioned half and half (1st half FAT32 and second Ubuntu 11.10 live)

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• SQL Server Installer Closes Silently Without Errors

  - by ashes999

  When I run the SQL Server 2008 R2 Express installer (32-bit or 64-bit), nothing happens. It will get to the screen where it asks me to accept the terms of license and send anonymous feedback; I check off both boxes and click Next, and it automatically starts installing the Support Files. And then the window disappears. I tried looking through the log files, but didn't see any errors. I've tried: x64 SQL Server R2 express x86 SQL Server R2 express X64 SQL Server R2 (full) X64 SQL Server Management Studio Of these, only management studio installed correctly; the two express editions failed silently, and the full version gave me different errors. I also tried running in Administrator mode (despite being logged in as an administrator user), but again, no difference.

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• How to Shutdown PC by Pressing Power Button

  - by AgA

  I always Hibernate my PC. Sometimes when I boot, it does not recognize the mouse/keyboard or any USB devices. I've also setup it to go in sleep in 5 minutes. In that case I can't restart the PC so that USB starts working. When I press the Power button then it starts shutdown but asks confirmation twice one is for shutdown by force confirmation and then there is one more. When my USB is disabled I can't input these options. So I switch off the power. What I want is that upon pressing Power Button it should at once start shutdown without asking any more confirmations System details: Win-7 Home Premium 64 bit Intel i3 530 Asus P montherboard EDIT: It is Desktop PC

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• LinkSys WRT54GL + AM200 in half-bridge mode - Setup guide recommendations?

  - by Peter Mounce

  I am basically looking for a good guide on how to set up my home network with this set of hardware. I need: Dynamic DNS Firewall + port-forwarding VPN Wake-on-LAN from outside firewall VOIP would be nice QoS would be nice (make torrents take lower priority to other services when those other services are happening) DHCP Wireless + WPA2 security Ability to play multiplayer computer games I am not a networking or computing neophyte, but the last time I messed with network gear was a few years ago, so am needing to dust off knowledge I kinda half have. I have read that I should be wanting to set up the AM200 in half-bridge mode, so that the WRT54GL gets the WAN IP - this sounds like a good idea, but I'd still like to be advised. I have read that the dd-wrt firmware will meet my needs (though I gather I'll need the vpn-specific build, which appears to preclude supporting VOIP), but I'm not wedded to using it. My ISP supplies me with: a block of 8 static IPs, of which 5 are usable to me a PPPoA ADSL2+ connection

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• How do MaxSpareServers work in Apache?

  - by John Hunt

  I've scoured the web but I can't find out what MaxSpareServers are in Apache MPM prefork.. The MaxSpareServers directive sets the desired maximum number of idle child server processes. An idle process is one which is not handling a request. If there are more than MaxSpareServers idle, then the parent process will kill off the excess processes. Great, but what causes a spareserver to be created? More importantly, when does a spare server go away? I understand that minspareservers are created gradually after the server is started.. How do maxspareservers relate to maxclients? Basically I'm at a bit of a loss on how best to configure Apache.. there's a lot of documentation out there but it isn't that clear. Thanks, John.

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• update ocz vertex le capacity via firmware update

  - by Ben Voigt

  I have an OCZ Vertex LE 100GB drive. It's actually 128GiB of NAND flash, with a whopping 28%+ reserved for write combining. Most 128GiB drives are actually ~ 115GB usable (and marketed as 120GB or 128GB). There were rumors that the reserved fraction could be decreased on OCZ 100GB drives. Can anyone provide a link to firmware that does that, or an official statement that no such firmware exists? (NB: I recently installed the 1.24 firmware from the OCZ site, it didn't affect the capacity. Possibly because the rumors say the capacity change is destructive to existing content.) Of possible interest: flashing firmware was more of a pain than it should have been -- the tool didn't detect the disk until I booted an older Windows install off a secondary hard disk, I suspect the Intel SATA driver is the issue and tool only works with the msachi.sys driver.

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• Are there any concrete examples of where a paralellizing compiler would provide a value-adding benefit?

  - by jamie

  Paul Graham argues that: It would be great if a startup could give us something of the old Moore's Law back, by writing software that could make a large number of CPUs look to the developer like one very fast CPU. ... The most ambitious is to try to do it automatically: to write a compiler that will parallelize our code for us. There's a name for this compiler, the sufficiently smart compiler, and it is a byword for impossibility. But is it really impossible? Can someone provide a concrete example where a paralellizing compiler would solve a pain point? Web-apps don't appear to be a problem: just run a bunch of Node processes. Real-time raytracing isn't a problem: the programmers are writing multi-threaded, SIMD assembly language quite happily (indeed, some might complain if we make it easier!). The holy grail is to be able to accelerate any program, be it MySQL, Garage Band, or Quicken. I'm looking for a middle ground: is there a real-world problem that you have experienced where a "smart-enough" compiler would have provided a real benefit, i.e that someone would pay for? A good answer is one where there is a process where the computer runs at 100% CPU on a single core for a painful period of time. That time might be 10 seconds, if the task is meant to be quick. It might be 500ms if the task is meant to be interactive. It might be 10 hours. Please describe such a problem. Really, that's all I'm looking for: candidate areas for further investigation. (Hence, raytracing is off the list because all the low-hanging fruit have been feasted upon.) I am not interested in why it cannot be done. There are a million people willing to point to the sound reasons why it cannot be done. Such answers are not useful.

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• Exchange enrypted messages with a single recipient [portable]

  - by Andy

  I need to exchange encrypted messages with another party. These would be in the form of email like communication (not instant chat). The solution needs to be portable (USB stick). I've tried "Portable Thunderbird/Enigmail/Gnupg/Hotmail account" but it's just impossible to setup portable, countless meaningless error messages. Anyway, I would prefer something more straightforward. Notes: We won't know each others IP addresses. Our computers will often be switched off. Encryption would ideally be using a common password. Is there a solution to this?

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• New Dell Vostro 3550 will not boot into Live CD

  - by rich97

  I've been trying to install Ubuntu and/or it's derivatives on my new Dell Vostro 3550 but I'm finding it impossible to boot into the live CD environment. Here are the things I've already tried: Booting from multiple versions of multiple distributions (Ubuntu 10.10, Ubuntu 11.04, Mint 11, Mint 10) Booting from a Live USB created with unetbootin, the Linux Mint startup disk creator, the universal USB creator and dd of=linuxmint.***.iso if if=/dev/sdx. Burning a CD and booting from the internal CD drive. In the case of the USB keys with the latest versions of Ubuntu it gets to the page where I can select a boot option, but after selecting an option the screen goes black, even the back light turns off. With the older distributions the screen stays on but it starts loading and then just hangs. The CDs don't even try to boot. It starts spinning but then falls back to the default Windows install. The only way I've got it to work so far is with Wubi, but that's hardly ideal. I'd like to have two separate physical partitions with a /home and /. Any help is appreciated. Thank you.

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• Use jQuery and ASP.NET to Build a News Ticker

  Many websites display a news ticker of one sort or another. A news ticker is a user interface element that displays a subset of a list of items, cycling through them one at a time after a set interval. For example, on Cisco's website there is a news ticker that shows the company's latest news items. Each news item is a one sentence link, such as "Desktop Virtualization Gathers Steam," or "Cisco Reports First Quarter Earnings." Clicking a headline whisks you to a page that shows the full story. Cisco's news ticker shows one headline at a time; every few seconds the currently displayed headline fades out and the next one appears. In total, Cisco has five different headlines - the ticker displays each of the five and then starts back from the beginning. This article is the first in a series that explores how to create your own news ticker widget using jQuery and ASP.NET. jQuery is a free, popular, open-source JavaScript library that simplifies many common client-side tasks, like event handling, DOM manipulation, and Ajax. This article kicks off the series and shows how to build a fairly simple news ticker whose contents can be specified statically in HTML markup or created dynamically from server-side code. Future installments will explore adding bells and whistles, such as: stopping the news ticker rotation when the mouse is hovered over it; adding controls to start, stop and pause the headlines; loading new headlines dynamically using Ajax; and packaging the JavaScript used by the ticker into a jQuery plugin. Read on to learn more! Read More >

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• IIS 7 - Application pools

  - by vikp

  I made a CompanySite website in IIS - it's the only website on that server. I created .NET 4 Integrated pool for that website. I've installed ASP.Net site into CompanySite and it works fine. Now I'd like to install an application within this site. I create another .NET 4 application pool for that application. Then I install application into CompanySite using that application pool. As soon as setup starts off the website goes offline either with 503 or with The page cannot be displayed because an internal server error has occurred. The only way to fix this (that I have found) is to uninstall that application and restart Windows Server, not just IIS server. Question is how can I install multiple applications within a single site? THank you

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• What do you do to make sure you take proper/enough breaks, while avoiding unwanted side-effects of break taking?

  - by blueberryfields

  preamble It seems to me that computer programmers are one of a select few groups of people who actually take pleasure from sitting in front of computers for long periods of time. Most people in other professions actively dislike their time at computers, and do their best to avoid it (so, I assume, they don't have problems taking breaks). At least for me, having external cues for taking breaks, and clear instructions on what to do with each break (stretch, go for a walk, close my eyes, look into a distance of preferably a few km and focus on faraway objects, etc...), is a must. So far, I've just been making up the breaks and tools to get them as I go along, based on what looks to be low-specificity information found on the net (generic stuff ala ergonomics advice for office staff). This has led to all sorts of side effects - loss of attention as I get distracted if I walk around, breaks in flow with alarm clocks interrupting my thoughts, and people around me assuming I'm low on work due to the frequency of my walking around compared to everyone else. /preamble tl;dr Taking breaks is important My internal break taking system doesn't work, and ad-hoc ones have unwanted side effects What do you do to make sure you take proper breaks? How do you avoid unwanted side-effects, such as getting distracted or interrupting flow or giving your co-workers the impression you're spending a lot of time goofing off?

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• Powershell, Task Scheduler or loop and sleep

  - by Paddy Carroll

  I have a job that needs to go off every minute or so, it loads a DLL i have written in C# that retrieves state for an SQL Server Mirror (Primary, Mirror and witness) for a number of databases; it allows us to poke DNS to show where the primary instances are. Please don't mention Clustering - We're not doing that. I can't be arsed to write a service, there simply isn't enough time do I Task Scheduler - every minute: Invoke a powershell script that loads the DLL does the business Task scheduler - At Startup : Invoke a similer powershell script that loads the DLL once but then loops and sleeps, refreshing the Object that the DLL exposes. Pros and cons?

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• powershell task scheduler or loop and sleep

  - by Paddy Carroll

  I have a job that needs to go off every minute or so, it loads a DLL written in C# that retrieves state for an SQL Server Mirror (Primary, Mirror and witness) for a number of databases; it allows us to poke DNS to show where the primary instances are. Please don't mention Clustering - We're not doing that. I can't be arsed to write a service, there simply isn't enough time do I Task Scheduler - every minute: Invoke a powershell script that loads the DLL does the business Task scheduler - At Startup : Invoke a similer powershell script that loads the DLL once but then loops and sleeps, refreshing the Object that the DLL exposes. Pros and cons?

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• MacBook Pro screen goes dark

  - by Mike M

  I've had my MacBook Pro for two years now; no problems so far (it has had 3rd party RAM from the get go). Today, I'm copying a particularly large VM from an External disk drive to local MacBook disk. It has about 3GB to go and I take off to do some other things and when I come back my screen is "dark". The computer is still on but I can't see anything. I forced a reboot by holding down the power button, it starts up with the "chimes", but still no screen. I've done this several times. Any ideas? Do you think the hard disk activity caused it to get too hot?

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• Declaring multiple ports for the same VirtualHosts

  - by user65567

  Declare multiple ports for the same VirtualHosts: SSLStrictSNIVHostCheck off # Apache setup which will listen for and accept SSL connections on port 443. Listen 443 # Listen for virtual host requests on all IP addresses NameVirtualHost *:443 <VirtualHost *:443> ServerName domain.localhost DocumentRoot "/Users/<my_user_name>/Sites/domain/public" <Directory "/Users/<my_user_name>/Sites/domain/public"> Order allow,deny Allow from all </Directory> # SSL Configuration SSLEngine on ... </VirtualHost> How can I declare a new port ('listen', ServerName, ...) for 'domain.localhost'? If I add the following code, apache works (too much) also for all other subdomain of 'domain.localhost' (subdomain1.domain.localhost, subdomain2.domain.localhost, ...): <VirtualHost *:80> ServerName pjtmain.localhost:80 DocumentRoot "/Users/Toto85/Sites/pjtmain/public" RackEnv development <Directory "/Users/Toto85/Sites/pjtmain/public"> Order allow,deny Allow from all </Directory> </VirtualHost>

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• Spam just keeps on coming

  - by Campo

  I administer a Windows Server 2003 with Exchange 2003 as well as GFI installed. I am watching the GFI dashboard and every third email is spam. Not only that it goes to a non existent address then the [email protected] sends out an NDR to the sender. Should I be worried about this? I know it is directory harvesting but we have directory harvesting turned on in GFI and I do see it is working but obviously doesn't work for emails that don't exist. My issue is I would turn off NDR but then people who legitimately mistype and email address to our domain will never know their email did not get to the recipient. What do others do to combat spam? Is 3 times the amount of spam to ham normal? We filter out 90% of the spam but some does get into the users inbox. Thanks for the suggestions and advice!

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• Setting up Cluster Configuration using an existing web server as a Primary Node?

  - by RapidWebs

  Thanks in advance for any help which is issued! I am having a slight issue, and need help with the decision making process when it comes to setting up my Cluster Configuration, consisting on a line of Ubuntu Servers (12.04). We currently have a Primary node, which resides in the US within a Datacenter, but we are going to be using this for all serious bandwidth and resource intensive websites, and through a configuration of Virtualmin + Webmin, will be setup as a sort of pseudo-cluster, using Virtualmins Cluster Modules. Anyways, on to the issue: We also have a business line setup locally, with three servers. here are their specs: Intel P4 2.4 ghz, 1GB Ram, 110 gb sata, Ubuntu 12.04* AMD 1.3 ghz, 512MB Ram, 20 GB IDE P3 Xeon 800mhz (dual physical processors), 1GB Ram, 3 * 25 GB Raid Configuration (one in use for host operating system). The first machine is currently IN USE and is serving virtual hosts off a sub-domain. My question is this: How can I integrate the Secondary node (which will be the Primary node per say, in this smaller configuration...) which is currently in use, into the cluster configuration w/ the other two servers for: Sharing Resources Redundancy (HA?) NFS /w the two Raid Disks without having the FORMAT the secondary node, and start fresh moving all my services in to a DRBD network drive or something similar, and than restoring all active virtualmin's Virtual hosts. the idea is that I want minimal downtime to people currently being served from server2.mywebsite.com, and from what I understand, all services need to be on a NFS so that they can be mounted on demand and accessed from the other machine taking over (i.e. Heartbeat + DRBD Config.) but my issue is that i already have all these services installed to their default directory structure: how can i most easily setup this NFS and HA system, move all my desires services to this new drive, and do it with minimal down time, and without breaking Virtualmin and everything else on my server? even just some pointers, a thread i could read, or a step by step check list or run down of commands i could issue to get started would be great! thanks!

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• disable RADIUS for Cisco 2500 wireless controller

  - by Tim Vaughan

  I have a Cisco 2500 wireless controller and four lightweight access points. I want to use the controller to manage a wireless network secured by WPA only, without using RADIUS or anything else. We'll handle the authentication using a captive portal behind the access points. However, it seems like the controller's default security policy requires a RADIUS server and I can't find out how to switch the policy off. The documentation assumes I'm in an environment which needs heavy-duty security and the use case is actually a small charity/business with much less stringent security requirements. How do I disable the complicated security policy and instead run a simple one that just uses WPA?

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