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• Production monitoring for EC2 instances

  - by Janine

  I'm setting up my first production instance on EC2 and want to make sure I have all necessary monitoring in place. There are three different types of things I want to monitor: Is the instance running? EC2 instances can be terminated without warning if the underlying hardware fails, and as far as I know they aren't automatically restarted. So if not, start it back up. Is UNIX running properly? This is the usual stuff about CPU load, disk space, etc. Is the website responding? If not, restart it. I initially set up Nagios on a physical server outside the cloud, but it is really only helpful for item 2. It can tell me if the instance is gone or if the website is not responding, but as far as I can tell it can't execute any commands to fix the situation. My Googling on this subject has yielded a plethora of options - Cacti, Monit, God, Ganglia, and probably more I'm forgetting now. I don't have time to research them all. I am aware of Amazon's Cloudwatch but it doesn't seem to do anything that my Nagios installation doesn't already do. If you already have something like this in place, can you please share what has worked well for you?

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• Mac updated just now, postgres now broken

  - by Dave

  I run postgres 9.1 / ruby 1.9.2 / rails 3.1.0 on a maxbook air for local dev. It's all been running smoothly for months, (though this is the first time I've done development on a mac.) It's a macbook air from last year, and today I got the mac osx software update message as I have a few times before, and my system downloaded approx 450mb of updates and restarted. It now says it's on OSX 10.7.3. Point is, postgres has stopped working, when I start my thin server (mirror heroku cedar) as normal, and then browse to my rails app I get: PG::Error could not connect to server: Permission denied Is the server running locally and accepting connections on Unix domain socket "/var/pgsql_socket/.s.PGSQL.5432"? What happened? After browsing around a few questions I'm still confused, but here's some extra info: Running psql from command line gives same error I can run pgadmin 3 and connect via it and run SQL no problems Running which psql shows the version as /usr/bin/psql I created a PostgreSQL user back when I got the mac (it's always been on lion) I've no idea why, almost certainly I was following a tutorial which I neglected to store in my notes. Point is I am aware there is a _postgres user as well. I know it's rubbish, but apart from a note on passwords, I don't have any extra info on how I configured postgres - though the obvious implication is that I did not use the _postgres user. Anyone have suggestions or information on what might have changed / what I can try to debug and fix? Thanks. Edit: Playing around based on this question and answer: http://stackoverflow.com/questions/7975414/check-status-of-postgresql-server-mac-os-x, see this string of commands: $ sudo su postgreSQL bash-3.2$ /Library/PostgreSQL/9.1/bin/pg_ctl start -D /Library/PostgreSQL/9.1/data pg_ctl: another server might be running; trying to start server anyway server starting bash-3.2$ 2012-04-08 19:03:39 GMT FATAL: lock file "postmaster.pid" already exists 2012-04-08 19:03:39 GMT HINT: Is another postmaster (PID 68) running in data directory "/Library/PostgreSQL/9.1/data"? bash-3.2$ exit

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• Windows 7 XP Mode-Program not ending properly

  - by iceman33

  We currently have recently have implemented a few new machines to our network with Windows 7 Enterprise 64-bit installed on them. We have a program that is incompatible with Windows 7 right now and we have it installed on the Windows XP Mode that we have setup on there. There is a shortcut that is on the desktop to have it work with integration services and that part is working successfully. Occasionally, this program will stop working over the server on which it connects to has to get rebooted and the program has to get closed out. However, that process that is in the task manager doesn't seem to close out properly. So in order to correctly get the program shut down, we have to make the users log back into xp mode and do a Ctrl+Alt+Delete to kill the process or have to go back into the machine to perform a restart. I was wondering if anyone has come across a way within XP Mode yet that when the virtual machine goes into hibernation mode that it would shut down all processes or if when restarting the virtual machine your normal machine that it would shut everything down in the virtual XP mode as well and not just keep that program running? Any help would be greatly appreciated.

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• Windows 8 folder to folder sync software

  - by Danny

  I'm looking for direct folder to folder synchronization in Windows 8. I was previously using Live Mesh to accomplish this, but now it looks like that is no longer an option. Note that I'm talking about direct folder to folder sync between different computers, not syncing to the cloud. I'm aware of products like Google Drive, SkyDrive, Dropbox, etc. The problem with them is the space limitation. Basically, I was syncing important files before between my desktop and all of my laptops. One folder for example is My Pictures. This folder has almost 40 gigs of files, which is why the options listed above are not going to work for me. Just need direct syncing, nothing stored on the cloud. I was told by a Microsoft employee that SkyDrive would be replacing Mesh and would provide all the same functionality. So far this looks to be completely false, since the ability to remote desktop is gone along with folder to folder sync. Unless I'm just missing something?

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• Can I format a Veritas cluster shared volume from windows?

  - by spaghettidba

  We have a Microsoft Failover Cluster with dynamic disks managed by Veritas Storage Foundation. Today the sysadmins added a new disk for SQL Server but the cluster size on the volume was wrong, so I issued a quick format to change it. The disk volume failed, the SQL Server group failed as well and the cluster became unresponsive. After some minutes I managed to fail over to a passive node. The SAN admins say it's my fault because I shouldn't have formatted the disk from the Windows format applet, but I should have used Veritas Enterprise Administrator instead. Can a format operation bring offline a whole cluster group this way? Relevant error messages: From the eventlog: The cluster resource host subsystem (RHS) stopped unexpectedly. An attempt will be made to restart it. This is usually due to a problem in a resource DLL. Please determine which resource DLL is causing the issue and report the problem to the resource vendor. From the cluster.log ERR [RCM] rcm::RcmResControl::DoResourceControl: ERROR_RESOURCE_CALL_TIMED_OUT(5910)' because of 'Control(STORAGE_GET_DISK_INFO_EX) to resource 'NameOfTheDiskGroup' timed out.' Veritas Documentation: Excerpt from Symantec's documentation: Note: Before manually creating the resource, you must format the cluster-shared volume with NTFS using the VEA GUI and mount it on the node where you are trying to create the resource. Does this mean the disk cannot be formatted from Windows? I don't read it that way. For the record, I formatted many disks using the Windows applet in the past and nothing bad happened.

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• Sandra reports my CPU as "Engineering Sample", how can I be sure this is correct?

  - by stevenvh

  I ran SiSoftware's Sandra on my new PC, and for my CPU it reports: Generation : G8 / T29 Name : TN0 (Trinity) FX/Opteron 32nm (ES) Revision/Stepping : 0 : 10 / 1 Stepping Mask : TN-A1 Microcode : MU6F10010F The (ES) is a well-known code in product development, meaning "Engineering Sample". Those are beta versions of the CPU, which still may contain some bugs, or even have features switches off. I contacted both the PC's manufacturer Medion as well as AMD about this. I had to downvote the Medion helpdesk here. The person I talked to boldly said Sandra was wrong (without knowing how Sandra got this information; he didn't even know the software), and used the word "impossible". His conclusion was "We’re not taking this in consideration for service”. Right. So, if you like Medion for their good prices, but like good support even better, you may consider buying your PC elsewhere. AMD was more helpful, but wanted to be sure before replacing the part (which I find reasonable). They suggested that I dismount the cooler from the CPU to check what was printed on it to be sure. I'm a bit reluctant here: I would have to wipe the thermal paste from the CPU, and won't know for sure my cooling will still be OK afterwards. Questions Has anybody actually found a confirmed ES CPU in her PC? Is anybody aware of Sandra erroneously reporting CPUs as Engineering Samples? How can you tell an ES, apart from the print on the package? Shouldn't Stepping Mask identify the CPU uniquely?

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• Paid antivirus solutions for Windows

  - by AP Erebus

  NOTE: If your looking for recommendations on free antivirus, check this question: http://superuser.com/questions/2/free-antivirus-solutions-for-windows Much like the above, I'm curious to opinions on the best PAID antivirus solution, personal or commercial. Enterprise solutions are welcome and as much detail regarding costs is welcome. Personally I'm looking for a licence that will grant me more than 1 computer install and quality technical support, for personal use. as in the free antivirus question: See if your antivirus of choice is already listed. Chances are it is. If you spot an answer that mentions one you already use, vote that up if you think it's a good solution. If you know of a feature or drawback not listed, or can include experiences in dealing with it, please edit the answer accordingly. If you know of any that can also be used at work please point this out. This covers all Windows platforms from XP, Vista and Windows 7. If you see an existing entry that needs an update or to add your testimonial, please do.

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• MySQL Config on Large Machine

  - by Jonathon

  We have a Windows 2003 Enterprise Edition server (64bit) running only MySQL 5.1.45 64-bit. It has 16G RAM and 10T of hard-drive space in RAID 10. We are having horrible performance from mysqld (85-100% CPU utilization). We were running a smaller machine with better performance, so I am assuming our my.ini file is not correct for our current machine. The my.ini file is as follows: [client] port=3306 [mysql] default-character-set=latin1 [mysqld] port=3306 basedir="D:/MySQL/" datadir="D:/MySQL/data" default-character-set=latin1 default-storage-engine=MYISAM sql-mode="" skip-innodb skip-locking max_allowed_packet = 1M max_connections=800 myisam_max_sort_file_size=5G myisam_sort_buffer_size=500M table_open_cache = 512 table_cache=8000 tmp_table_size=30M query_cache_size=50M thread_cache_size=128 key_buffer_size=3072M read_buffer_size=2M read_rnd_buffer_size=16M sort_buffer_size=2M #replication settings (this is the master) log-bin=log server-id = 1 Does anyone see anything wrong with this setup? For a machine with this much RAM, why in the world would mysqld eat up so much CPU? I know we can optimize some queries, etc., but it did run okay on a smaller machine, so I am pretty sure it is the config. Thanks in advance for any help.

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• Intermittent NFS lockups on Isilon cluster

  - by blackbox222

  We have an Isilon cluster with 8 IQ 12000x nodes which exports storage via several NFS shares for a handful of Linux and Solaris clients. There is a Linux system that has one of these NFS filesystems mounted. I/O to this filesystem is moderately heavy from the Linux system. Every 3-4 weeks (it's not on any kind of discernible schedule, and sometimes is more/less frequent than this), we notice that all activity ceases on this NFS mount (the process hangs, as if the network stopped working so process is stuck in uninterruptible sleep) - 30 minutes later, the share recovers and things continue to work normally. The kernel log from the affected machine is as follows: Dec 3 10:07:29 redacted kernel: [8710020.871993] nfs: server nfs-redacted not responding, still trying Dec 3 10:37:17 redacted kernel: [8711805.966130] nfs: server nfs-redacted OK relevant /etc/fstab line: nfs-redacted:/ifs/nfs/export_data/shared/...redacted... /data nfs defaults 0 0 I've checked to see if there are any scheduled processes e.g. cron jobs, Isilon related functions e.g. snapshots, etc that might be causing these hangups but I can't seem to find anything. I'm also not aware of any network related issues or maintenance that would cause this. All of the lockups last almost exactly 30 minutes per the kernel logs. Perhaps someone has some suggestions I could try? (I considered a soft mount to avoid the problems associated with processes accessing the filesystem hanging; however am wary of the corruption that could result and it would not really solve the underlying issue anyway).

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• MD RAID 1 with external bitmap doesn't fully resync

  - by user64744

  I have an interesting configuration: dual boot system with a RAID 1 that needs to be visible in both Windows and Linux. The Windows install is Win 7 Enterprise, and the Linux install is Kubuntu 10.04. To get the RAID to work, I set it up using Windows's "Dynamic Disks" RAID 1, and brought it up in Linux using MD with no persistent superblock, and a write-intent bitmap on another partition. (Without this bitmap, MD had no way of knowing that the array was in sync, and would do a complete resync every time the array started.) The array is assembled like so: mdadm --build /dev/md1 -l 1 -n 2 -b /var/local/md1.bitmap /dev/sdb2 /dev/sdc2 I expected that the first time I ran this command, it would resync the array, write out a bitmap with no dirty chunks, and all would be good. This wasn't the case: after completing the resync, the bitmap was mostly clean, but about 5% dirty blocks remained, as revealed by mdadm -X /var/local/md1.bitmap I didn't mount the filesystem on /dev/md1 or touch it in any other way. I then found that stopping and restarting the array: mdadm --stop /dev/md1 mdadm --build /dev/md1 -l 1 -n 2 -b /var/local/md1.bitmap /dev/sdb2 /dev/sdc2 did indeed read in the bitmap, with an ensuing resync that went quickly because most of the blocks were marked clean. The confusing part is that this resync further reduced the number of dirty blocks, but still did not remove all of them. By repeatedly stopping and restarting I could slowly bring the dirty block count down to around 0.6%, where it seemed to level out. Any ideas what could be causing this? It smells to me of a race condition somewhere that leads to blocks either being skipped over during synchronization or not properly cleared from the bitmap, but I really have no evidence to prove this. It doesn't look like hardware issues since both drives are new and have zero read errors and reallocated sectors reported by smartctl -a.

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• Why does hiberfil.sys come back from the dead on Windows 7?

  - by Corey White

  I have Windows 7 running on a small (40GB) partition, with 4GB ram. This means that the hiberfil.sys file created by Hibernate takes up a significant portion of the available diskspace. I would like to remove it. I am aware that I can disable Hibernate and remove hiberfil.sys by entering powercfg -h off in an elevated command prompt. This works -- the file is immediately removed, and after doing so, the HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Power\HibernateEnabled key is (correctly) set to 0. However, the next time I reboot the PC, hiberfil.sys returns from the dead, Hibernate is reenabled, and that registry key has returned to 1. I'm pretty much at my wits' end with this. Almost everything I can find online related to removing the hiberfil.sys file simply suggests using powercfg to turn off hibernation, and that appears to work for just about everyone. But it just keeps coming back for me! (Like a vampire, sucking up my disk space.) I did find one other thread from someone who seems to have had the same issue, but none of the suggestions there worked for the original poster (or for me). Still, I have tried everything listed there, including: Disabling hybrid sleep Disabling Hibernate through the command prompt, through the Power Options GUI, and through both (in both orders) Manually changing the HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Power\HibernateEnabled key Pretty much everything else I can think of! I do want to reiterate that I have no problem removing the file -- that works great. It just comes back after every reboot. I'm about ready to throw in the towel and just run a script on login to disable Hibernate each time, even though that seems like a crazily hacky "solution" . . . but I was hoping someone here could suggest something else, first. Thanks!

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• Install a KVM guest with LVM partitioning on an LVM partitioned host using virt-install fails, volume group already exists

  - by Rilik84

  our setup consists of a ubuntu 10.04 kvm host server with LVM, on top of which we install the ubuntu 10.04 virtual machines via virt-install and preseed. Each VM has a dedicated logical volume which we pass to virt-install via the "--disk path=/dev/sysvg/vm-name" parameter. The virtual machines themselves are using LVM as well. Virt-install seems to have a few issues with this setup. Say we want to install two virtual machines in parallel. The first vm installs correctly while the second halts during the partitioning, complaining with this error: "volume group name already in use". I tried removing the logical volumes, recreated them, rebooted the kvm host to clear any leftovers but the issue perists. The preseed is telling the vms to create a volume group named "sysvg", which is the same name used by the volume group of the kvm host. Considering this I did another test: I got rid of the preseed part taking care of the partitioning/lvm creation and started the creation of two vms in parallel. If, when prompted, I instruct the vms' installer to do a guided partitioning of the disk with LVM, it will still fail giving this different error on both the vms: Physical Volume /dev/sda5 is already in volume group sysvg. As I wrote, sysvg is the volume group used by the KVM host. So I thought the name clashing was the issue. By removing the preseed part I skipped the volume group naming. I can't understand how the virtual machines would be aware of the presence of that volume group since they're supposed to be isolated from it, especially after I removed and recreated the logical volumes dedicated to them. That detail should not be exposed at all to them! Thanks for the help. I'm clueless.

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• Shrinking a large transaction log on a full drive

  - by Sam

  Someone fired off an update statement as part of some maintenance which did a cross join update on two tables with 200,000 records in each. That's 40 trillion statements, which would explain part of how the log grew to 200GB. I also did not have the log file capped, which is another problem I will be taking care of server wide - where we have almost 200 databases residing. The 'solution' I used was to backup the database, backup the log with truncate_only, and then backup the database again. I then shrunk the log file and set a cap on the log. Seeing as there were other databases using the log drive, I was in a bit of a rush to clean it out. I might have been able to back the log file up to our backup drive, hoping that no other databases needed to grow their log file. Paul Randal from http://technet.microsoft.com/en-us/magazine/2009.02.logging.aspx Under no circumstances should you delete the transaction log, try to rebuild it using undocumented commands, or simply truncate it using the NO_LOG or TRUNCATE_ONLY options of BACKUP LOG (which have been removed in SQL Server 2008). These options will either cause transactional inconsistency (and more than likely corruption) or remove the possibility of being able to properly recover the database. Were there any other options I'm not aware of?

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• Why won't IIS serve my website? - 404 Page Not Found

  - by Giffyguy

  Built a brand new server, with a fresh copy of Windows Server 2003 Enterprise x86 Edition. Installed the .NET Framework 1.1, 2.0, 3.5, and 4.0 Added the "Domain Controller" and "Application Server" roles. Created a new website, pointed it to a local directory: C:\Inetpub\angryoctopus.net\ Added the appropriate headers: angryoctopus.net, www.angryoctopus.net, TCP port 80, all IPs Moved the website content into the local directory. Configured the default document in IIS: Default.aspx Enabled ASP.NET for this website, and set it to the correct version: 2.0.50727 Configured the zone angryoctopus.net in DNS. Tested DNS lookup here to ensure DNS was functional. Opened website in VS 2008 and re-built (and debugged) to ensure the content was functional. I can clearly see that IIS is responding normally, by browsing directly to my server's IP address. Since this does not use the angryoctopus HTTP header, the default website is displayed instead: the "Under Construction" page. And yet, after all of this, angryoctopus.net still returns 404. Does anybody know what could be wrong? What troubleshooting steps have I forgotten? Is there a command-line diagnostic that might provide more information?

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• Implications of disabling the AMD Phenom's TLB patch?

  - by DMA57361

  I'm currently running a AMD Phenom X4 9600 processor (yeah, it's aging a bit, but other recent problems mean it's not getting upgraded in the immediate future), which happens to be one of the chips that suffer from the TLB errata. I recall that the first time I played with disabling the TLB patch (probably over a year ago, while playing a game that had a severe performance problem such that it was almost unplayable unless the patch was disabled) I had at least one BSOD, but I can't remeber them being particularly frequent. However, because it decreased instability, I stopped disabling the patch once I was done with the game. Now, after some recent hardware changes I was experiancing much worse performance than expected from the new hardware under some circumstances, and the TLB jumped to mind - after testing I found that disabling the patch would improve the performance to expected levels. I'm now wondering if it's worthwhile always having the patch disabled to avoid any potential slowdowns cropping up in the future, or if it is too dangerous. Everything I read states that the bug, when not patched, can causes a system lock-up in "rare circumstances". So, with the TLB patch disabled: How frequently should system lock-ups be expected? Do we know what the circumstances that trigger the lock-ups are? (Don't worry too much about being highly technical, but essentially I wonder if the chip more vunerable under heavy load, or heavy memory usage, etc?) Are there any secondary problems I should be aware of? (Don't include things that are charateristic to all lock-ups, please)

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• Compress a folder of PDF files into separate zip archives

  - by Panrubius

  I wanted to take a folder full of PDF files and create a number of separate zip files, after following the advice on this question everything worked *almost*perfectly. Here's what happened: When I issued this command in Terminal: zip -s 5m -r ~/Desktop/invoices ~/Desktop/Invoices/ Everything worked really well, in that I got 11 ZIP files of approximately 5 MB each; placed in the folder specified. However, the files they outputted were named as follows: invoices.z01 invoices.z02 invoices.z03 invoices.z04 invoices.z05 invoices.z06 invoices.z07 invoices.z08 invoices.z09 invoices.z10 invoices.zip So as you can see only invoices.zip has been named correctly. I could go through and rename them one by one, but seriously, if we start doing that then what in the name of Evolution are computers for?! Now, I am also aware that I'm relatively new to the Terminal; so I could be making a very silly mistake somewhere. If that's the case, please be patient :-) Any help would be greatly appreciated. One last note: I'm quadriplegic so I would like to avoid GUI applications as much as possible, I use voice recognition software you see this working in the Terminal is much much easier.

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• Fix Video timelines

  - by Josh

  So, I have been going through and riping all of my DVD's and it seems that the way to get the highest quality out of these is to have DVD Shrink de-encrypt, rip, and decompress, the DVD's. After that I usually end up with a high quality (high size) set of .vob files in a classic DVD structure. Then I use a python script that I wrote to automate the process of finding the title sequence and then combining all of the title sequences' .vob files together into one file(similar to the "copy /b" command in windows), and then changing the extension to .mpg (a more widely supported format then .vob). This allows me to get a high quality rip in about 40 min. The problem comes in playing the files. I need all of the ripped dvd's to play on my media computer using windows media center but windows media center (and vlc for that matter) all think that the video files are anywhere from 5 min. to 0 min. which is not a problem (the video will still play all the way through) but if you want to pause it, when it is unpaused the video will start all the way over (Also fast forward and rewind don't work). I suspect that it is something wrong with the way the timeline is encoded in the video file, various forums on the internet recommended using virtualdub to fix the errors. But when I try to open the file virtual dub says that the file is not in mpeg-1 encoding and may be in mpeg-2. Is there any way to fix this? PS: I am aware that there was a similar question but it hasn't had any activity for 2 months and is dealing more with wmv files.

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• Window 7 Computer name changing on its own?

  - by DC

  Very odd problem... I have a Dell Latitude D830 with XP Pro that has been running on my local domain for many years. I recently Installed Windows 7 Enterprise on the D830 using a brand new HDD so that I could still use XP if I needed by just swapping out the HDD's. I added the W7 installed system to my domain using a completely different machine name than that used for the XP system and everything seemed to be functioning as it should. On boot up over the last 2 weeks or so I occasionally (3 times now) get to the login screen and try to login to the domain only to get an error saying that the Computer name is not a trusted machine in the domain I'm trying to log in to. Come to find out that the machine name on the W7 system has been changed somehow to that of my old XP system. If on the W7 system I then change the name back to the correct name, disjoin the domain, reboot, add the machine back into the domain … all is well for an unknown period of time until this happens again. This last time, I know for a fact that everything was fine the day before when I shut down the system. I came in today, powered up the system and the machine name had been changed to that of my old XP system again. Has anybody else seen this behavior or hav any ideas on what could be causing it? Thanks!

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• Cannot connect to windows server by name over vpn connection

  - by ErocM

  I have a rented dedicated windows server on a public ip that is acting as a SQL Server and VPN server. I need to connect to this server via computer name to get replication in place. I cannot use an ip address due to this issue: So, due to this, we are going the VPN route. That is my primary issue: After I am connected to this server's vpn, I can connect to SQL Server using the ip address but I cannot connect by the computer's name as you can see below... Right now, there is no hardware firewall on it since I had it removed to test this issue. I am running Windows 2008 Enterprise Server as the VPN server. I am not sure if the route print will help any from the workstation trying to connect but here is the info: IPv4 Route Table Active Routes: Network Destination Netmask Gateway Interface Metric 10.0.0.0 255.0.0.0 10.0.0.1 10.0.0.2 21 10.0.0.2 255.255.255.255 On-link 10.0.0.2 276 Any other info needed? Thanks for the help! ========= CLARIFICATION ON A FEW THINGS #1 ========= This is the server's info: This is the workstation that is trying to connect: I connect to the server via "Control Panel\Network and Internet\Network and Sharing Center\Connect or Disconnect" You can see here that I am connected: ========= CLARIFICATION ON A FEW THINGS #2 ========= I've tried to connect directly to the Sql Server as I did above but with the computers name and I couldn't get to it. Here I am trying to net view it from the workstation and it couldn't find it:

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• Website hosting from home - IIS6

  - by Paul

  I'm wanting to host a few websites from home, primarily because I'm using some BETA Microsoft software (.NET 4 and EF) and don't want to install it on my production server which is hosted at eukhost.com. Basically, I'm completely new to this sort of thing. So far, here is what I've done: Registered the domain name at namecheap.com (let's call it mydomain.com) Gone to "Nameserver Registration" in the panel and entered my IP address for the NS1 and NS2 records (let's say the IP is 0.0.0.0). Gone to "Domain Name Server Setup" and entered ns1.mydomain.com & ns2.mydomain.com Forwarded requests from port 80 to my internal IP (let's say 192.168.1.254) Created the website in IIS (I'm just testing with a single website so far, so have not created any host header values) Now, if I type in the IP address (http://0.0.0.0) I get the site as expected. However, if I enter http://www.mydomain.com I get an error saying "DNS Error - Cannot find server". I'm aware that there is a service from DynDNS that will automatically change the IP if I have a dynamic address, however my IP has remained static since I installed the ISP (since October) so I don't need this. Is there any way that I can get the DNS to work just by configuring IIS or something in Windows? I don't really want to have to pay for any 3rd party service. Thanks,

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• How to make Virtualbox, OpenVPN, and Win2008 Web R2 like one another?

  - by Aquitaine

  Back with web developer guy wearing net admin hat. Hopefully this is an easy one. We have two servers on a public network at a hosted facility. Server A is our public-facing web server and server B is our database server. Both are running Windows 2008 Server R2 Web Edition. We want Server B isolated from everything except Server A, such that anyone who has to connect to server B goes through the VPN on Server A. It's not perfect since we have no access to do this on the router side, but it's what we've got. We've set up VirtualBox and OpenVPN Access Server on Server A. It has one network interface set to 'NAT' mode, such that OpenVPN gets its IP at 10.0.2.x, and to connect to the OpenVPN interface, I go to the local IP for the Virtualbox network adapter, 192.168.56.x, which works as I configured the appropriate ports using VBoxManage. My question is, do I need to be using Bridged Networking and give the VPN server its own IP, or is there some way to tell the server (either Windows or the Virtualbox OpenVPN) that 'any public connection on the real external IP on port X should be directed to this internal LAN address of 192.168.1.x on port Y'? OpenVPN itself doesn't seem to be aware of the server's real external IP unless we put it in Bridged networking mode; is that necessary or advisable? We're without RRAS since this is Web edition, but I feel like what we're going for is pretty simple. Thanks! Aq

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• Why isn't 'Low Fragmentation Heap' LFH enabled by default on Windows Server 2003?

  - by James Wiseman

  I've been investigating an issue with a production Classic ASP website running on IIS6 which seems indicative of memory fragmentation. One of the suggestions of how to ameliorate this came from Stackoverflow: How can I find why some classic asp pages randomly take a real long time to execute?. It suggested flipping a setting in the site's global.asa file to 'turn on' Low Fragmentation Heap (LFH). The following code (with a registered version of the accompanying DLL) did the trick. Set LFHObj=CreateObject("TURNONLFH.ObjTurnOnLFH") LFHObj.TurnOnLFH() application("TurnOnLFHResult")=CStr(LFHObj.TurnOnLFHResult) (Really the code isn't that important to the question). An author of a linked post reported a seemingly magic resolution to this issue, and, reading around a little more, I discovered that this setting is enabled by default on Windows Server 2008. So, naturally, this left me a little concerned: Why is this setting not enabled by default on 2003, or If it works in 2008 why have Microsoft not issued a patch to enable it by default on 2003? I suspect the answer to the above is the same for both (if there is one). Obviously, we're testing it in a non-production environment, and doing an array of metrics and comparisons to deem if it does help us. But aside from this I'm really just trying to understand if there's any technical reason why we should do this, or if there are any gotchas that we need to be aware of.

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• How to burn a data DVD in Windows XP

  - by SabreWolfy

  I am trying to burn a data DVD (DVD+R) in Windows XP SP3 on a Dell desktop computer. The computer has a licensed copy of Nero 6.3. Nero indicates that an update to version 6.6 is available, but after following the link provided, it redirects me to the Nero website to purchase the upgrade. I'm not interested in doing this. After creating a project in Nero 6.3, inserting a blank DVD+R and trying to start burning the data DVD, Nero indicates that I should insert an appropriate disk into the drive. It does not seem to detect the blank DVD+R. I downloaded infrarecorder and cdrtfe from Sourceforge. Neither of these programs worked either. They both indicated that I should insert the correct media, with cdrtfe saying there is no disk in the drive. I tried with another blank DVD +R with the same effect. I inserted a CDR containing data into the drive and the Windows read read this CDR without a problem. I have no reason to believe that the drive is faulty. I am aware that Windows XP itself is not able to burn DVDs. However, it seems that three third-party software programs are not able to burn a data DVD in Window XP. The specifications provided in Nero indicate that DVD+R is compatible with the drive. How can I burn a backup data DVD in Windows XP?

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• Backing up SQL NetApp Snapshots using TSM

  - by WerkkreW

  In our environment we have a 3 node SQL 2005 Cluster which is on NetApp storage. We are currently using SMSQL (NetApp SnapManager for SQL) to take Snapshot backups of the data. This works great, but due to some audit requirements we are also forced to maintain some copies on tape. We have used NDMP in other places across the enterprise but we do not want to use it in this specific instance. Basically what I need to do is, get the most recent snapshot copy of the databases on tape, via Tivoli Storage Manager (TSM). What I have done is, obtained a basic Windows Server 2003 VM with SnapDrive installed, which is SAN attached and zoned to the NetApp, and I have written a batch file to do the following: Mount the latest __RECENT snapshot lun to the host, using a specific drive letter Perform a TSM based incremental backup Dis-mount the LUN This seems to work fine, except sometimes the LUN's do not mount due to some sort of timeout. Also, due to my limited knowledge of windows batch scripting, I have no way to monitor the success or failure of these backups since I do not know how to send a valid return code back to the TSM scheduling service. Is there a more efficient/elegant way to accomplish this without NDMP?

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• Looking for software to read PDFs/web pages aloud on OS X

  - by Clinton Blackmore

  I am looking for software that will read PDFs and web pages aloud for me under OS X 10.5, preferably something that is free. I am aware that you can make your Mac read to you by pressing a key combination. It is pretty slick, but I really want something that: will allow me to say, "Read this document" and let me skip paragraphs and pause (instead of simply stopping and then restarting from the beginning) will allow me to skip things that aren't relevant, like page headers, footers, and side bars. will allow me to rewind and listen to something again (either to think on it more deeply, or to understand what the text-to-speech engine was trying to say) for a pdf with text in two columns, will let me read just one column at a time. (Right now if I make a selection, it gets both columns and reads from one and then from another. If I could just select one column and read it, I'd be happier. [IIRC, Apple improved things in Snow Leopard so you can select one column in a pdf.]) I don't really expect one program to do both pdfs and web pages, but it would be nice.

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