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• How to prepare WiFi for an on-stage demo?

  - by Jeremy White

  Today at WWDC, Steve Jobs gave his keynote and ended up having a failure on-stage when connecting to WiFi. Google had a similar issue a few weeks ago in the same conference center. Please reference the following article for more information. http://news.cnet.com/8301-31021_3-20007009-260.html I am looking for information on how to best prepare a demo which uses a closed wireless network in front of a large audience. Note that the network will be closed, and will not require internet access. What steps can I take to prevent interference from existing WiFi, Bluetooth, etc? How can I best prevent curious/malicious people from trying to intrude on my WiFi network? I am open to recommendations on specific models of routers.

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• Cheapest server to run Windows 2008 R2?

  - by chopps

  Hey Everyone, I want to build a really cheap server to use for testing etc but don't want to spend alot of dough. Any recomendations on what kind of home pc/server would work for these requirements? Any place to get refurbs at a good price? Component Requirement Processor Minimum: 1.4 GHz (x64 processor) Note: An Intel Itanium 2 processor is required for Windows Server 2008 for Itanium-Based Systems Memory Minimum: 512 MB RAM Maximum: 8 GB (Foundation) or 32 GB (Standard) or 2 TB (Enterprise, Datacenter, and Itanium-Based Systems) Disk Space Requirements Minimum: 32 GB or greater Foundation: 10 GB or greater Note: Computers with more than 16 GB of RAM will require more disk space for paging, hibernation, and dump files Display Super VGA (800 × 600) or higher resolution monitor Other DVD Drive, Keyboard and Microsoft Mouse (or compatible pointing device), Internet access (fees may apply)

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• force https with apache before .htpasswd

  - by johnlai2004

  I have this in my .htaccess file RewriteEngine On RewriteCond %{HTTPS} off RewriteRule ^(.*)$ https://www.myweb.com/phpmyadmin$1 [R,L] AuthUserFile /var/www/myweb/.htpasswd AuthGroupFile /dev/null AuthName "Sovereign Databases" AuthType Basic <Limit GET> require valid-user </Limit> But everytime I go to http://www.myweb.com/phpmyadmin, the .htpasswd prompts me for a credentials BEFORE i'm redirected to https://www.myweb.com/phpmyadmin. After I type in my username and password, I get redirected to https://www.myweb.com/phpmyadmin. The problem is that I don't want anyone to submit their username and password unencrypted via http. How do I force people to login via the https version even if they typed in the http version?

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• Reliable Backup Solution for Linux for Complete System Restoration

  - by Chris S

  What's the best backup solution for Linux that can completely restore the entire filesystem to a blank harddrive (including partitioning) after an old harddrive dies? I'm currently running a few Ubuntu machines, some with RAID-1 and others without RAID (mostly laptops). I'd like to implement a backup solution that can take incremental snapshots of the entire filesystem, so that if I were to replace all the harddrives in a machine, I could use the backup to restore a perfect copy of the previous filesystem. Unfortunately, nearly all the backup solutions I've found seem to be glorified rsync scripts, which only backup some files, and have no easy way to restore once the entire filesystem is gone. Some of the more complicated solutions, like Bacula, might do what I need, but require a complicated server/client setup and are notoriously difficult to maintain. I've heard that Apple's TimeMachine utility has this ability, and I've had similar success taking differential disk images with Acronis True Image on Windows, but of course neither of these work on Linux. Is there anything comparable for Ubuntu?

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• Options for PCI-DSS on AWS - file integrity monitoring and intrusion detection

  - by Brill Pappin

  I need to deploy some file integrity monitoring and intrusion detections software on AWS instances. I really wanted to use OSSEC, however it does not work well in an environment where servers can auto deploy and shut down based on load, because it requires server managed keys to be generated. Including the agent in the AMI will not allow monitoring as soon as it comes up because of that. There are many options out there, and several are listed in other posts on this site, however none that I've seen so far deal with the unique problems inherent in AWS or cloud based deployments in general. Can anyone point me at some products, preferably open source, that we might use to cover those portions of PCI DSS that require this software? Has anyone else achieved this on AWS?

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• Partitioning a bootable Flash drive

  - by mmc

  Is it possible to have a 2 partition Flash drive that looks like the following: A partition that is bootable to OS X (this will require a GUID partition table) A second partition formatted either FAT32 or NTFS that is readable on both OS X and various flavors of Windows I have set up a disk using Disk Utility on the Mac, and it boots fine with a second FAT32 partition... but Windows does not see it. Any flavor of Windows wants to format the entire drive. Has anyone done this, and if so, can you explain the steps you followed? EDIT: Making it bootable is no problem. I have that. I'm wondering how to make the second partition on a Flash drive visible to Windows. It's possible that the "second partition" is the problem, and I need Windows to be first, and HFS to be second. I'll try that tonight.

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• Script or Utility to convert .nab to .csv without importing double entries in Outlook.

  - by Chris

  Currently our environment is migrating from Groupwise 7 to Outlook 2003 and we have multiple users with mission critical outside contacts in their frequent contacts that will have to be imported in Outlook. Currently our only solution is to export GW contacts to a .nab, import to excel to scrub out the contacts in our own domain (to avoid double entry) and convert to .csv. This current solution will require a lot of man hours for hand holding because most of our users are not technically savvy AT ALL and are frankly too busy to do this themselves. Anyone know of any kind of tool or script to assist with this?

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• Asus z53 laptop overheating problem

  - by Tiberiu Hajas

  hi all, wondering if anyone encountered overheating of asus laptop ? especially the z53 model ? usually the right side of the laptop and vent in the upper corner is blowing hot air when under even minimal load, the CPU temperature can easily get to 65-70C and GPU is even above 80C. I'm using NHC (notebook health control) to set to a higher conservatory power consumption but that helps only a bit, anyone opened up the case ? wondering is require a dust clean ...etc ? I still have some warranty on it. thanks

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• Microsoft Outlook tips and tricks for improving user experience?

  - by Roee Adler

  I'm one of those heavy Microsoft Outlook users, currently working on the 2007 version. God knows this tool is heavy and may impose problems. I wondered what the Super User crowd has to suggest in order to improve the usage experience. Several suggestions of my own: Always work in cached mode (Tools--Account Settings--Change--Use Cached Exchange Mode) Use Outlook's local archiving capabilities Use Outlook's RSS reader - it's simple and allows offline access to your feeds If you have e-mail subscriptions to magazines, blogs, etc. - create a subdirectory to keep them, and a rule to automatically move them there when they arrive (one rule per subscription, based on the sender e-mail.) You can also share suggestions that require configuration of Exchange Server, for those of us who can make bring them to their IT managers. What are your suggestions? PS: "Use Gmail" is not an accepted answer, some of us don't control what email system we use...

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• Share one monitor with another user and display their screen as well

  - by Xiong Chiamiov

  My housemate and I just started playing the original RollerCoaster Tycoon again - what a nostalgia trip! Anyways, we both have two monitors, and would like to view the other's game on the secondary monitor while playing, since we're in different rooms. VNC-like applications sorta work, but they require two separate instances running (one to share each direction), and as a whole are rather slow and clumsy. We don't need any remote control at all, just viewing. I'm using XP, he Win7. We could probably get it to run through some means in Linux, if necessary.

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• One PC, 4 iOS Devices, 4 iCloud Accounts?

  - by Eric J.

  I have one PC running iTunes, my iPhone, and one iPod for each of three kids. Ideally I would like the iPhone to use my iCloud account and each iPod to use an iCloud account specific to each kid. According to Apple: You can ... use one Apple ID for iCloud services and another Apple ID for store purchases However, the method described Enter the Apple ID you want to use for iCloud in Control Panel Network and Internet iCloud. Enter the Apple ID you want to use for Store purchases (including iTunes in the Cloud and iTunes Match) in iTunes iTunes Store. would require that all iOS devices share the same iCloud account if they use iTunes on the same PC. Short of having one PC per family member, is there a method to use different iCloud accounts on each iOS device?

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• Calling the LWRP from the Exception Handler

  - by Sarah Haskins

  Is it possible to call out to a Provider (LWRP) from a Chef Exception Handler? I think my Provider is out of scope, but I don't know if what I am trying to do is possible? or advisable? Here is my provider code (cookbooks/config/provider/signal.rb): action :failure do Chef::Log.info("Yeah success") end Here is my exception handler code (exception_handler/handlers/exceptionHandler.rb): require 'chef/handler' config_signal "signal" do action :nothing end class Chef class Handler class LogCollector < Chef::Handler notifies :failure, resources(:config_signal => signal) end end end Also, if anyone has a good recommendation for general reading about scope in the context of Chef I'd appreciate it.

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• Allow from referer for HTTP-basic protected SSL apache site

  - by user64204

  I have an apache site protected by HTTP basic authentication. The authentication is working fine. Now I would like to bypass authentication for users that are coming from a particular website by relying on the HTTP Referer header. Here is the configuration: SetEnvIf Referer "^http://.*.example\.org" coming_from_example_org <Directory /var/www/> Options Indexes FollowSymLinks MultiViews AllowOverride None Deny from all Allow from env=coming_from_example_org AuthName "login required" AuthUserFile /opt/http_basic_usernames_and_passwords AuthType Basic Require valid-user Satisfy Any </Directory> This is working fine for HTTP, but failing for HTTPS. My understanding is that in order to inspect the HTTP headers, the SSL handshake must be completed, but apache wants to inspect the <Directory> directives before doing the SSL handshake, even if I place them at the bottom of the configuration file. Q: How could I workaround this issue? PS: I'm not obsessed with the HTTP referer header, I could use other options that would allow users from a known website to bypass authantication.

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• Options for remote desktop software for helping remote users?

  - by Nick G

  I need an easy way to jump on someone elses machine to help them solve a problem. It needs to be really easy for them to install (preferably doesn't actually require an "install" but just running an exe?). It must punch through any firewalls automatically using a relay server or P2P (so Remote Desktop itself is no use to me). I've found commercial products like MeetMeNow but they're really expensive. I want something that you can either buy a cheap pack of sessions or minutes, or preferably something free. I'm not in the business of commerical support and would only use it once every couple of months perhaps.

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• Windows replacement for HAProxy

  - by GrayWizardx

  It does not appear that there is a similar question to this already posted, so I will go ahead and ask. I am working on a project that could benefit from having two - four servers handling incoming requests to a backend webservice. The service does not require SSL but does need to support occassional long running processes (upto 120 secs). This project does not at present have the funding to purchase a hardware load balancing solution. I have previously used HAProxy as a solution for this, and found it very simple and straightforward. Is there a similar product for windows (server 2003 or 2008) which provides similar configuration options and runs as a lightweight service? For reasons outside my control I cannot setup a Linux machine (physical or virtual) and so I am looking for behaviour that can be deployed on a windows machine. I can only find Perlbal which appears to fall into this category. So as not to keep this open indifenitely I will give credit to the only answer.

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• Keep lan connection alive while going to sleep

  - by user18151

  Is it possible to keep lan connection alive when going to sleep? Although I would like a laptop independent(in general) answer, my laptop is Thinkpad T500 and the power manager shows in PCI options, the following three option regarding saving link state power: Off, moderate, maximum. Also instant resume apparently does something different, so that isn't much help either. I'm on Windows-7. Here's why: I'm a student, and currently I keep my laptop on almost all the time, but sometimes I sleep it and then I require to check something, so I turn it on. But then internet starts in at least a minute. So I avoid even putting it to sleep. I want that the internet connection should persist, so that I can put it to sleep to avoid power consumption.

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• Recommend an SFTP solution for Windows (Server & Client) that integrates well with Dreamweaver

  - by aaandre

  Could you please recommend a secure FTP solution for updating files on a remote windows server from windows workstations? We would like to replace the FTP-based workflow with a secure FTP one. Windows Server 2003 on the remotely hosted webserver, WinXP on the workstations. We manage the files via Dreamweaver's built-in FTP. My understanding is Dreamweaver supports sFTP out of the box so I guess I am looking for a good sFTP server for Windows Server 2003. Ideally, that would not require cygwin. Ideally, the solution would use authentication based on the existing windows accounts and permissions. Thank you!

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• Security of BitLocker with no PIN from WinPE?

  - by Scott Bussinger

  Say you have a computer with the system drive encrypted by BitLocker and you're not using a PIN so the computer will boot up unattended. What happens if an attacker boots the system up into the Windows Preinstallation Environment? Will they have access to the encrypted drive? Does it change if you have a TPM vs. using only a USB startup key? What I'm trying to determine is whether the TPM / USB startup key is usable without booting from the original operating system. In other words, if you're using a USB startup key and the machine is rebooted normally then the data would still be protected unless an attacker was able to log in. But what if the hacker just boots the server into a Windows Preinstallation Environment with the USB startup key plugged in? Would they then have access to the data? Or would that require the recovery key? Ideally the recovery key would be required when booted like this, but I haven't seen this documented anywhere.

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• MySQL Windows vs. Linux: performance, caveats, pros and cons?

  - by gravyface

  Looking for (preferrably) some hard data or at least some experienced anecdotal responses with regards to hosting a MySQL database (roughly 5k transactions a day, 60-70% more reads than writes, < 100k of data per transaction i.e. no large binary objects like images, etc.) on Windows 2003/2008 vs. a Debian-based derivative (Ubuntu/Debian, etc.). This server will function only as a database server with a separate Web server on another physical box; this server will require remote access for management (SSH for Linux, RDP for Windows). I suspect that the Linux kernel/OS will compete less than the Windows Server for resources, but for this I can't be certain. There's also security footprint: even with Windows 2008, I'm thinking that the Linux box can be locked down more easily than the Windows Server. Anyone have any experience with both configurations?

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• how to restrict wampserver access to certain ip addresses

  - by user28233

  What do I need to do in order to restrict the access to my wamp server to certain ip addresses. Just imagine that the my ip address is the ip address that I only want to have access I tried to edit the .htaccess # This folder does not require access over HTTP # (the following directive denies access by default) Order allow,deny Allow from 112.203.229.44 and the phpmyadmin.conf: Alias /phpmyadmin "E:/wamp/apps/phpmyadmin3.2.0.1/" # to give access to phpmyadmin from outside # replace the lines # # Order Deny,Allow # Deny from all # Allow from my ip address # # by # # Order Allow,Deny # Allow from my ip address # <Directory "E:/wamp/apps/phpmyadmin3.2.0.1/"> Options Indexes FollowSymLinks MultiViews AllowOverride all Order Deny,Allow Deny from all Allow from my ip address </Directory>

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• How to configure JAAS on JBoss?

  - by AntonioP

  Hey Im having a problem with "Failed to load users/passwords/role files: java.io.IOException: No properties file: users.properties or defaults: defaultUsers.properties found" error from jboss. No matter what I change in conf/login-config.xml always that same error. Turning on TRACE for org.jboss.security shows that it does Security domain: myapp followed by findResource: null and the above error. Ive tryed adding a users.properties to my .war WEB-INF/classes/users.properties to no avail. Why is jBoss doing like this? What is this JAAS and why does it need it? What does it require, where to put what files, if its possible Ill remove all of this org.jboss.security.auth.spi.UsersRolesLoginModule completly, just let me use my app. Thanks

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• yum list installed including version of all installed packages CentOS 5.4

  - by Andy

  I have a list of packages installed with yum on CentOS 5.4 [root@server ~]# yum list installed ... Installed Packages GConf2.x86_64 2.14.0-9.el5 installed ImageMagick.x86_64 6.2.8.0-4.el5_1.1 installed MAKEDEV.x86_64 3.23-1.2 installed MySQL-python.x86_64 1.2.1-1 installed I would like to download these rpms locally using yumdownloader --resolve MySQL-python-1.2.1-1.x86_64 etc. However the package formatting is different (MySQL-python.x86_64 1.2.1-1 vs MySQL-python-1.2.1-1.x86_64) so I am unable to download them using the above command. I don't want to have to parse the output of yum list installed, and I also don't want to use the contents of /var/log/yum.log* as I'll have to account for erased packages and version discrepancies. However /var/log/yum.log* does have the formatting I require... May 25 14:58:15 Installed: groff-1.18.1.1-11.1.x86_64 May 25 14:58:15 Installed: bzip2-1.0.3-4.el5_2.x86_64 Any suggestions?

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• Subversion LDAP Configuration

  - by dbyrne

  I am configuring a subversion repository to use basic LDAP authentication. I have an entry in my http.conf file that looks like this: <Location /company/some/location> DAV svn SVNPath /repository/some/location AuthType Basic AuthName LDAP AuthBasicProvider ldap Require valid-user AuthLDAPBindDN "cn=SubversionAdmin,ou=admins,o=company.com" AuthLDAPBindPassword "XXXXXXX" AuthLDAPURL "ldap://company.com/ou=people,o=company.com?personid" </Location> This works fine for living, breathing people who need to log in. However, I also need to provide application accounts access to the repository. These accounts are in a different OU. Do I need to add a whole new <location> element, or can I add a second AuthLDAPURLto the existing entry?

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• Sticky sessions on load balancers with HTTP and HTTPS

  - by javano

  How does sticky sessions relate to HTTP and HTTPS; If I place a load balancer in front of some web app servers that run a front end that supports HTTPS, will the sessions remain "sticky" on a typical load balancer that lists "stick sessions" as one of it's supported features? I understand that question is partly open ended; To clarify, would I require a load balancer that supports sticky HTTPS session specifical or is "sticky sessions" a principal that functions agnostic of the HTTP payload, be it encrypted or not? Thank you.

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• Adjusting color on one monitor in Nvidia Surround

  - by Chris Stauffer

  I'm currently running three 2560x1440 screens using Nvidia Surround. Two monitors are Yamakasi Catleaps (cheap Korean jobs) and the third is the Achievia Shimian (also Korean). The Catleaps have great color reproduction, however the Shimian is exceptionally blue tinted. With normal monitors the required correction would require minimal effort to accomplish. But these Korean monitors do not have hardware controls to do it. For those who are unfamiliar, Nvidia Surround basically takes all three monitors and makes one big "monitor" out of all of them (Xinerama for GNU/Linux folk), at a resolution of 7680x1440 in my situation. Therefore, adjusting the color profile in the Nvidia control panel changes the settings for ALL of the monitors simultaneously. Thus, I am looking for some software to adjust the Shimian (perhaps by just selecting the pixels that that monitor encompasses). Does anyone know of such a program?

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