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  • Flexible classroom environments (OS, Office)

    - by HannesFostie
    I work in the IT department of a training center, we still offer XP and Office 2003 trainings but also offer Vista and Win7 and Office 2007. Currently, we use VMs on VMware Server but this is obviously not a superb choice. We're thinking of implementing something like VDI (brainstorm phase, we hardly have any details) but I decided to check here if people would have some clever alternatives. Requirements: * Flexible when it comes to deployment * Centralized management would be a big plus * Allow for different software, whether they be compatible or not (all of office except for outlook can be installed simultaneously. for outlook you need to choose between 2003 or 2007) * Allow for different OS We have a big enough budget to implement a proper SAN environment to accomodate the virtualization of the solution, whatever kind it may be. A support contract will probably be necessary as well, because we need to be able to offer quick solutions to problems and with only 2 sysadmins that is simply impossible to guarantee.

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  • Advise on VMWare hardware requirements and host OS

    - by edwin.nathaniel
    Hi All, I'm a newbie developer wanting to learn a bit about Virtualization (from the IT point of view, not theoretical/academic). What I'd like to do: Prepare a machine Install VMWare or VirtualBox Prepare 3 Guest OSes (one for Win2k8 server, 2 for Ubuntu Server) Win2k8 will run SQL Server 2k8 and IIS (for ASP.NET MVC deployment) 1 Ubuntu Server for Drupal, SugarCRM, MediaWiki, typical LAMP stuff 1 Ubuntu Server for Java (Tomcat/Jetty + MySQL/PostgreSQL) What I'd like to know: What would be the ideal Host OS such that the Host OS should not spend too many resources on itself but should boost these instances of VMs (e.g: does Win2k8 performs better vs Linux?) What would be the ideal machine for this (preferably AMD base chip) I'm not expecting the best performance out of this setup, just a decent one to host one drupal instance, one ASP.NET MVC (future, not now), and one Tomcat/Jetty instance. NB: If you have a better suggestions on the setup, feel free to let me know (e.g: maybe Drupal and Tomcat can be in one instance but move the database to another instance instead of 1 instance map to 1 webserver and 1 dbserver). Thank you.

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  • Amazon RDS Pros/Cons of Multiple DBs per instance

    - by Joe Flowers
    I run two completely independent websites. I am moving their MySQL databases to Amazon RDS. I'm not going to do Multi A/Z deployment - let's remove that variable from this question. I'm not sure whether to create a single RDS instance with two databases, or two Amazon RDS instances with a single database. Ignore cost for the sake of this question. I will not hit the 1 TB data limit so let's ignore that. However, it is extremely important that crashing one of the websites doesn't impact the other. Based on this document - http://docs.amazonwebservices.com/AmazonRDS/latest/UserGuide/Concepts.DBInstance.html I'm assuming that if I write terrible code that crashes one of the databases in a given RDS instance, it could possibly take down the entire RDS instance (and thus inadvertantly affect the other database). Is that correct? Thanks

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  • Backup hardware and strategy on distributed Windows Server 2008 network

    - by CesarGon
    This question is a follow up to this. We have a Windows Server 2008 R2 domain over a network that spans two different buildings, linked by a 100-Mbps point-to-point line. Over 60 users work in the organisation. We are planning to use DFS folders and DFS replication for file serving across the organisation. The estimated data volume is over 2 TB, and will grow at approximately 20% annually. The idea is to set up a DFS file server in each building and use DFS so that all the contents stay replicated over the 100-Mbps link. We are now considering backup hardware and strategies. We are Dell customers and, after browsing the online Dell catalogue, I can see a number of backup hardware options. My main doubts are the following: Would you go for a tape library, disk backup, or are there other options worth considering? Would you perform batch backups (i.e. nightly) or would you use continuous backup (i.e. while users are working)? Would you use a dedicated backup server to which the tape library (or any other backup device) is attached, or is there any other alternative way of doing things? My experience with backup hardware and overall setup is limited, so I appreciate any good piece of advice that you may have. Thanks.

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  • Web Deploy to IIS7 fails with 401 (Unauthorized)

    - by Trex
    we have IIS7 running on Windows Web Server 2008 R2 and it's set up to support Web Deploy. It worked fine when we used the default Administrator account. We recently disabled this account (for security reasons) and are now trying to deploy using another account which is member of the Administrators group, but the deploy fails with 401 (Unauthorized). More specifically, it says: Connected to '<IP>' using Web Deployment Agent Service, but could not authorize. Make sure you are an admin on '<IP>'. The remote server returned an error: (401) Unauthorized. Anybody has any ideas why this is happening? Thanks. Trex

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  • Choosing between cloud (Cloudfoundry ) and virtual servers - for developers

    - by Mike Z
    I just came across some articles on how to setup your own cloud using Cloudfoundry and Ubuntu, this got me thinking, choosing our infrastructure, if we want to use our own servers what's the advantage of cloud on virtual servers vs just using virtual servers, VPN? If we now develop for the cloud later if we need help we can quickly move on to a cloud provider, but other than that what's the advantage and disadvantage of private cloud in these areas? speed of development, testing, deployment server management security having an extra layer (cloud) will that have a hit on server performance, how big? any other advantage/disadvantage?

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  • Ruby, Rails & MySQL parity between Mac Client (10.6) & XServe (10.5)

    - by Meltemi
    We're setting up a RoR setup with Development on Mac OS X Client (10.6.3) and then using a Mac OS X Server (10.5.8) for testing and eventually deployment. I'd like to get as many systems in sync on these machines as possible. Wondering if there are any pitfalls. I seem to understand what's necessary under Client but Server has some hardwired stuff that I want to make sure doesn't break...or is updated correctly. Currently installed on both machines we have: OS X Client (10.6.3): Ruby 1.8.7 Rails 2.3.5 MySQL (not installed yet) OS X Server (10.5.8): Ruby 1.8.6 Rails 2.3.5 MySQL Ver 14.12 Distrib 5.0.82 Any suggestions...Ideally from someone who's done this on Leopard Server as well but I'll listen to general tips & proceedures

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  • Virtualbox PXE Boot Failing with a Windows Server 2008 R2 Server

    - by Vbitz
    Some fast help on this would be good, I have been on this problem for 14 hours. In a Virtualbox test environment I have 2 virtual machines networked together using a internal network (no traffic runs though the host, it is all at a software level). One is a fresh client with 512mb of ram and a dual core set-up, the other is the server with 1.5GB of ram and running server 2008 r2. The server is configured as a dns server, dchp server, domain controller and also serves PXE booting though WDS (Windows Deployment Services). Both machines can see each other and I am able to start a network boot. The issue comes at the second to last stage of the pre windows PE install. On TFTP download of boot.sdi it starts it but stops during the boot process.

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  • What are the "must " security tools for small organizations ?

    - by Berkay
    One of my friend has started a company, it's a small-scale company that has a 40 workers.There is two guys also responsible for the security and IT related issues.He is managing the LAN, Webpage of the company, e-mail configuration, printer hardware modification, application deployment etc. In this point, to provide the security measures including access controls, authentication, web server security etc. Which tools do you use for securing, monitoring and controlling the system ? Are you paying for these tools or are they open source? This question is due to the security administrators requests to my friend.He offers to get some tools for the company and my friend hesitates to pay that much on them (what he mentioned me.)

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  • NFSv3 Asynchronous Write Depends on Block Size?

    - by Joe Swanson
    I am trying to figure out if my NFSv3 deployment is performing SAFE asynchronous writes. I suspect that it is doing strictly synchronous writes, as I am getting poor performance in general. I used Wireshark to look at the 'stable' flag in write calls, and look for 'commit' calls. I noticed that, with especially large block sizes, writes to appear to be performed asynchronously: dd if=/dev/zero of=/proj/re3/0/zero bs=2097152 count=512 However, smaller block sizes appear to be performed strictly synchronously: dd if=/dev/zero of=/proj/re3/0/zero bs=8192 count=655360 What gives? How does the client decide whether to tell the server to perform writes synchronously or asynchronously? Is there any way I can get smaller block sizes to be performed asynchronously?

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  • ADFS 2.0 and WebEx

    - by DavisTasar
    We have a brand new deployment going on, where our University has purchased WebEx MeetingPlace. We have the Cisco CallManager component working, but the integration with Single Sign On with ADFS 2.0 has been nothing short of torture. The biggest problem I'm working with is that we use Split-Brain DNS, and our internal domain name versus external domain name is different. Trying to determine what credentials are getting passed back and forth, certificate errors for using the self-signed certificate, etc. Does anyone have any experience with this, or something similar? Do you have any tips, or watch-out-for-this, etc.? I've not worked with a Federated Authentication system before, and this scenario is very black-box-esque. Sorry, I'm also partially ranting as I'm frustrated.

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  • Configure custom SSL certificate for RDP on Windows Server 2012 in Remote Administration mode?

    - by Ryan Bolger
    So the release of Windows Server 2012 has removed a lot of the old Remote Desktop related configuration utilities. In particular, there is no more Remote Desktop Session Host Configuration utility that gave you access to the RDP-Tcp properties dialog that let you configure a custom certificate for the RDSH to use. In its place is a nice new consolidated GUI that is part of the overall "edit deployment properties" workflow in the new Server Manager. The catch is that you only get access to that workflow if you have the Remote Desktop Services role installed (as far as I can tell). This seems like a bit of an oversight on Microsoft's part. How can we configure a custom SSL certificate for RDP on Windows Server 2012 when it's running in the default Remote Administration mode without needlessly installing the Remote Desktop Services role?

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  • moving from Exchange 2003 to Exchange 2010

    - by pcampbell
    Consider a small-medium business' deployment of Exchange 2003. The question is around migrating to Exchange 2010. Here's a bit about the landscape: Current state is 50-100 users/mailboxes with the majority using Outlook 2007 OWA enabled desktop users are NOT running in Cached Exchange Mode laptops users ARE running in Cached Exchange Mode a single Exchange server with modest or reasonable specs for the day (3gz, multi-core, 4gb, Win 2003 32-bit) Questions Do you have any suggestions for the admin team regarding the upgrade path/steps from Exchange 2003 to 2010? Considering the requirement of a 64 bit OS, consider a new separate machine as ready to go with Win 2008. Have I missed any details? Where might virtualization help in this project? Any lessons learned in previous upgrades (2007 or 2010) would be appreciated!

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  • Starting/Stopping IBM WebSphere Application Server (WAS) 7 from the Command Line

    - by Christopher Parker
    I've written a script to automate the process of starting, stopping, and restarting WAS7 from the command line. Nothing starts automatically on one of our staging servers, so I have to start everything: deployment manager, node agent, app server, and Web server. The script I wrote seems to work pretty well. A coworker of mine recommended that I structure my commands differently. I'm wondering if there's a good, valid reason for doing so. First, my variables: WAS_HOME="/opt/IBM/WebSphere/AppServer" WAS_PROFILE_NAME="AppSrv01" WAS_APP_SERVER="server1" WAS_WEB_SERVER="webserver1" How I had the start commands: "${WAS_HOME}/bin/startManager.sh" "${WAS_HOME}/bin/startNode.sh" -profileName $WAS_PROFILE_NAME "${WAS_HOME}/bin/startServer.sh" -profileName $WAS_PROFILE_NAME $WAS_APP_SERVER "${WAS_HOME}/bin/startServer.sh" -profileName $WAS_PROFILE_NAME $WAS_WEB_SERVER I was told that I should do it like this, instead: WAS_DMGR="Dmgr01" # Added variable "${WAS_HOME}/profiles/${WAS_PROFILE_NAME}/bin/startNode.sh" "${WAS_HOME}/profiles/${WAS_DMGR}/bin/startManager.sh" "${WAS_HOME}/profiles/${WAS_PROFILE_NAME}/bin/startServer.sh" $WAS_APP_SERVER "${WAS_HOME}/profiles/${WAS_PROFILE_NAME}/bin/startServer.sh" $WAS_WEB_SERVER How is the second way of starting up everything for WebSphere any better or more correct than the first, original, way?

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  • django wsgi multiple projects different url same apache server

    - by Thomas Schultz
    Hello, I'm trying to get 2 separate django projects running on the same apache server with mod_wsgi that are also under the same domain but different urls. Like www.example.com/site1/ and www.example.com/site2 What I'm trying to do is something like... <VirtualHost *:80> ServerName www.example.com <location "/site1/"> DocumentRoot "/var/www/html/site1" WSGIScriptAlias / /var/www/html/site1/django.wsgi </location> <location "/site2/"> DocumentRoot "/var/www/html/site2" WSGIScriptAlias / /var/www/html/site2/django.wsgi </location> </VirtualHost> The closes thing I've seen is this http://docs.djangoproject.com/en/dev/howto/deployment/modpython/ but "mysite" is different for both of these cases and they're using mod_python instead of mod_wsgi. Any help with this would be great thanks!

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  • HP DL180 G6 P410 8x SATA 1TB, what is the optimal configuration?

    - by Oneiroi
    I have a HP DL180 G6 with a P410 raid controller. Presently this runs using 4x 1TB Samsung Spinpoint SATA drives, in a RAID10 configuration using default settings. I am about to add a backplane to increase the drive capacity from 4 to 12 drives, and I plan to install 4 more 1TB SATA Drives. The drives are matched and have close serial numbers (They arrived together in the Manufacturers pallet). Model HD103UJ 1000GB/7200rpm/32M Rated for 3GB/s I will also be installing RHEL 6.1 x86_64. My question is what would be the optimal RAID settings (stripe etc.) for this configuration? To recap: 8x Model HD103UJ 1000GB/7200rpm/32M Rated for 3GB/s RAID 10 configuration. Thanks in advance. Update for role: Server is to become an iscsi target for an internal openstack deployment currently underway. (Glance) Will also provide virtualisation through KVM

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  • How can I fix video tearing and pausing on Windows XP Flash videos?

    - by xvs
    I have what should be a reasonably fast PC: it's a Quadcore Intel 6600 at 2.4 GHz, 4MB of RAM, an ATI 3800 series video card and an LG L246WP monitor, which I selected particularly because it was supposed to work well with video and have no trails or other artifacts. So I should be able to play video with no problems. And I can, as long as that video isn't Flash video. With Flash, what I see is tearing, especially during pans, and pausing -- every few seconds the video pauses for about 300ms while the sound stays continuous. I tried going into the video card setup and changing vertical sync, pulldown detection, windows media video acceleration, deinterlacing and triple buffering. but no combination of settings I've tried has changed or corrected the problem in any way. I've also tried enabling and disabling hardware acceleration in the Flash settings, to no avail. This problem happens whether or not the video is streaming or has fully streamed in before playing. So, what can I do? Is this just a flash issue or is there a way to get it to work?

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  • Best way to migrate IIS6 from one server to another

    - by darko-romanov
    Hi, I need to move all my sites on a server with IIS 6 to another one, that has same OS (Windows Server 20003) and same IIS version. I'm trying to understand which is the best way to do it. Searching on Google I've found that there are at least 2 methods, one uses IIS Migration Tool, and another Web Deployment Tool. I don't know which method is best, it also seems that both methods can export one site at once, and I have about 100 sites hosted. What would you do?

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  • 2008 Sever Randomly reboots.

    - by Jeff
    I'm out of ideas here. We have a 2008 Server that keeps rebooting 2-3 times a day at completely random times with an "Unexpected Shutdown" event. There are no Dumps, no events leading to it just like it loses power then comes back online. I ran a Diagnostic of the power supply and it has had continuous power for months. In addition, the temperature of the processors are maxing out at 40 degrees Celsius. Anyone have any ideas how to figure out why this is restarting all the time? This is a DMZed Web server so it doesn't do too much process wise. Here are the specs: Host Name: ~~~ OS Name: Microsoft Windows Server 2008 R2 Standard OS Version: 6.1.7600 N/A Build 7600 OS Manufacturer: Microsoft Corporation OS Configuration: Standalone Server OS Build Type: Multiprocessor Free Registered Owner: Windows User Registered Organization: Product ID: ~~~ Original Install Date: 5/27/2010, 4:25:47 PM System Boot Time: 2/14/2011, 5:35:01 PM System Manufacturer: HP System Model: ProLiant DL380 G6 System Type: x64-based PC Processor(s): 1 Processor(s) Installed. [01]: Intel64 Family 6 Model 26 Stepping 5 GenuineIntel ~1586 Mhz BIOS Version: HP P62, 8/16/2010 Windows Directory: C:\Windows System Directory: C:\Windows\system32 Boot Device: \Device\HarddiskVolume1 System Locale: en-us;English (United States) Input Locale: en-us;English (United States) Time Zone: (UTC-05:00) Eastern Time (US & Canada) Total Physical Memory: 4,086 MB Available Physical Memory: 2,775 MB Virtual Memory: Max Size: 8,170 MB Virtual Memory: Available: 6,691 MB Virtual Memory: In Use: 1,479 MB Page File Location(s): C:\pagefile.sys

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  • Amazon EC2 migration from one region to the other

    - by Gnanam
    I'm using the following Amazon EC2 resources in the US East (Virginia) region: 1 Running Instance 1 Elastic IP 2 EBS Volumes 100 EBS Snapshots 1 Key Pair 2 Security Groups 5 My Own AMIs (customized based on my application stack) My instance is based on Linux distribution (CentOS) and my AMIs are S3-backed. Both EBS volumes are mounted on this running instance. We're planning to migrate our deployment to US-West region. Because Amazon EC2 resources are not shared across regions, my questions are: What are all the factors that I need to consider in advance? What are all the recommended & different ways of migrating each EC2 resources from one region to the other? Are there any hidden risks involved during and/or after the migration? Experts ideas/suggestions/recommendations on this are highly appreciated.

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  • Should my servers boot from VHD?

    - by tony roth
    I've been testing native vhd boot on several servers. It seems to be pretty transparent in terms of deployment and with my seat of the pants testing I have not noticed any difference in performance. The main reason that I want to boot vhd is due to their transportablility between different hardware and to hyper-v servers. the following roles will be installed. dfsr dhcp iis application server dc <- haven't tested this yet but see no reason why it won't work. With the above low impact (in terms of performance) roles do you thing booting from VHD is appropriate. thx

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  • django + wsgi + suexec + userdir + apache?

    - by Jayen
    I've got a django 1.1 website I want to run in wsgi (as that seems to be the recommended deployment on apache). I want it to run as the www user (apache is running as www-data). I would ideally like this to work out of http://hostname/~www/ (~www/public_html) as well as http://virtualhostname/. I also want this to work for other users who may later use wsgi. Can I make this happen? I've been staring at docs trying to figure where to start, but I'm having trouble combining userdir and wsgi to let me run ~xxx/public_html/index.wsgi as user xxx, for every user xxx.

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  • High disk I/O - jbd2/sda2-8 process

    - by Evan Hamlet
    I have run a file server on a CentOS 5.8 final server. My only concern at the moment is what appears to be intermittent but continuous high disk I/O activity causing a general slowdown because of jbd2/sda2-8 process. jbd2/sda2-8 is making use of /dev/sda2, which is the 2nd partition of the first harddrive (IE: root partition). More info: using "iotop" the culprit appears to be "jbd2/sda1-8" making writes every second, which appears to be a kernel process associated with journaling on the ext4 filesystem, if my googling around is correct. I see "jbd2/sda2-8" appearing here every now and then, but certainly not every 3 seconds.. when idle, it appears about 1 or 2 times per minute. When I'm using the system, it appears more frequently. ATOP results: http://grabilla.com/02b14-8022db2e-4eb9-4f10-8e10-d65c49ad7530.png IOTOP results: http://grabilla.com/02b14-cf74b25d-4063-4447-9210-7d1b9b70e25b.png HTOP results: grabilla. com/02b14-ad8cad0e-89b0-46d3-849d-4fd515c1e690.png jbd2/sda2-8 is the processes I see with iotop making writes on disk even though it's not in use at all. Does someone has any idea how could I solve the high disk usage caused jbd2/sda2-8 process?

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  • WDS - Access to network share via local user

    - by Kenny Bones
    When installing Windows 7 using WDS, a local user account is used during the set up after the main image of Win7 is installed. And I've got this application that lies on the network and not the deploymentshare itself that I want to install. But logically I get no access to that share via the local user account. Is it possible to do this somehow? Or do I have to move the Share to the Deployment share? Or possibly map the share to a separate drive or something?

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  • Can I tell if crashplan has backed up a particular file in a particular state?

    - by Chris Cogdon
    I would like to be able to tell, programmatically, if CrashPlan has backed-up a particular file, including the current updates to that file. I.e., that the current contents of a file are backed up. It's relatively easy to tell when CrashPlan last backed up a file: its file name appears in /usr/local/crashplan/log/backup_files.log.0, and with some accuracy, I could compare the backup time with the last modification time to the file, but that method appears to be somewhat dubious. A couple of methods I could think of, but I don't know how: Compare the current file to CrashPlan's metadata about that file. This needs knowledge about the format of CrashPlan's "cache" files as well as the hashing system used. This might be achievable through the CLI, but the CLI is just a portal into the GUI, and I need something that's scriptable. Restore the file to a temporary directory, and compare it. Unfortunately, there is no CLI to do restores; the GUI is the only way. I'll describe what I'm trying to achieve. It would be nice to know how to do the above, even if there are alternative methods for the following: I'm using CrashPlan for continuous backups to my PostgreSQL database, using WAL archives. In the current configuration, the archive command copies the files to an archive directory, which is backed up by CrashPlan. Every so often I manually confirm (or just trust) a group of WALs are backed up, and remove them from the archive directory, and occasionally do a restore through the GUI to ensure I can retrieve current and "deleted" WALs. The xlog directory is backed-up, too, so I have a good chance of doing a near-full restore even if a particular xlog hasn't been archived by PostgreSQL yet. I'd like to be able to automate this process, which necessitates either confirming the backup status and recency, or automating a restore for comparison purposes. (As a bonus, if the method is trustworthy, I could turn the "archive_command" from "copy to archive directory" into "confirm CrashPlan has backed up the current version", and do away with the archive directory completely). (And, yes, I'm doing regular pg_dumpall's, in addition to the above.)

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