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• Localized database for customers

  - by Jim

  The company I work for, has just moved to AWS - and currently they have one very large central database with the instance currently located in America. However, one of their clients has requested that all of their data is held in the EU. So creating an AWS instance in Ireland isn't a problem, the problem is the database and how to manage it. We were considering having another database that runs in the EU for European customers, and use a different primary key step, so that the primary keys will never conflict in case the two locations need to be merged in the future. The problem is, if we have a customer that uses our system in both America, and the EU we would have to create 2 accounts for that user, and reporting across both regions would not be possible as the connection time would be too high. Is there an alternative to set this up?

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• FBReader: How do I get it to display partial images?

  - by someguy

  I've been using FBReader so far for reading e-books, but my problem with it is how it handles images. Whenever there's an image, it isn't displayed until all of it can be displayed (i.e. it won't show if you haven't scrolled down far enough) and scrolling isn't smooth because the image is treated as one line. Is there a way to change this so that it displays the partially visible images? If there is not a way to change this, I am open to software suggestions to use as an alternative (I'm using Linux). I have already tried Calibre, but I find that it's too bloated. It takes ages to start up, and I don't want a directory for all my e-books...

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• Is there an encrypted write-only file system for Linux?

  - by Grumbel

  I am searching for an encrypted filesystem for Linux that can be mounted in a write-only mode, by that I mean you should be able to mount it without supplying a password, yet still be able to write/append files, but neither should you be able to read the files you have written nor read the files already on the filesystem. Access to the files should only be given when the filesystem is mounted via the password. The purpose of this is to write log files or similar data that is only written, but never modified, without having the files themselves be exposed. File permissions don't help here as I want the data to be inaccessible even when the system is fully compromised. Does such a thing exist on Linux? Or if not, what would be the best alternative to create encrypted log files? My current workaround consists of simply piping the data through gpg --encrypt, which works, but is very cumbersome, as you can't easily get access to the filesystem as a whole, you have to pipe each file through gpg --decrypt manually.

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• Why PowerConnect and Juniper are so rare ? Why do enterprises stick with Cisco ?

  - by Kedare

  Hello ! I have a little question, I'm actually studing in IT in France, and when looking on alternative on the very [...] very expensive Cisco equipment, I've found Juniper and DELL PowerConnect pretty attractive on features and price, but I rarely see something else than the classics Cisco/LinkSys, HP Procurve and Netgear.. Why it's so rare to find those switch ? They looks really great but... I've never seen any Juniper or Powerconnect... Why do enterprises stick with the expensive Cisco ? I've tried to find how to buy both, it's quite easy with PowerConnect, everything is on the DELL website, but it looks it's very hard to find Juniper equipment in France :( Thank you !

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• Windows 8 sleep, blank screen on resume

  - by Waqar Hameed

  I use a SONY VAIO laptop VPCS116FA that came pre-installed with Windows 7. I have upgraded to Windows 8. The experience has been good so far but I am facing a frustrating problem. Whenever, I put my computer to sleep, it won't wake up and I have to restart it. Note that this does not affect hibernation which works perfectly fine. However, it is not a perfect alternative to sleep option. I have tried this method to resolve the problem but in vain: http://www.thulasidas.com/2009-03/blank-screen-after-hibernatesleep.htm I really am in need for a solution to this problem. Please suggest whatever you think can resolve this.

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• Single hardware unit to protect web servers and implement smart publishing

  - by Maxim V. Pavlov

  Thus far we've been using the combination of Forefront TMG 2010 as an edge firewall + intrusion prevention system + web site publishing mechanism in the data center to work with a few web server machines. Since we develop on ASP.NET, we are IIS and in general - Microsoft crowd. Since TMG is being deprecated, we need to come up with a hardware alternative to protect and serve our data center web cloud. Could you please advise a hardware or virtual appliance solution that can provide routing, flood prevention and smart web-site publishing (one IP - many web sites based on domain name filter) all in one. Even if it is hard to configure, as long as it covers all these features, we will invest to learn and replace TMG eventually.

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• How to fight off against a government's internet censorship?

  - by Fellknight

  I live in a country where the left-wing totalitarian regime that it's our government has begun the procedures (legal and physical) to restrict the internet access of it's citizens following the footsteps of China and Cuba. I believe that free access to information is a human right and should not be under any circumstances restricted or sanctioned, i don't want to live in country that does otherwise. Unfortunately leaving for good for the time being it's not an alternative. What I (and all the people that think like me) need to know is; if there are ways of bypassing the possible protections that will be implemented soon?, like the Chinese do . I'm afraid that even proxys might not suffice in the long term since our ISP will be implementing the regulation. Any information or explanation on this will be deeply appreciate it.

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• Email server for huge number of subscriber

  - by bogha

  My question is that my company is thinking of providing a free email account for each of its customers. As a new company we will assume that our corporate email system will be MS Exchange server which will support about 1000 employees. They are asking why not adding the customer list to be a part of Exchange users. My suggestion was to separate the two systems, for the corporate we can use Exchange but for customers (around 30000) we have to use a Linux based system. My only argument was that Linux can be used for enterprise services like this and Microsoft may fail. What do you suggest? And if you are with me on choosing Linux as the server platform, what do you suggest to use as an alternative for Exchange in Linux? Thank you.

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• Dell Multi-Monitor Hub: true DisplayPort splitting?

  - by thepurplepixel

  In my search for a new display, I came across the Dell Multi-Monitor Hub MMH11, which seemed to be an alternative to my search for daisy-chainable DisplayPort displays. However, before I cave and spend $179 on this device, I am wondering if this will be similar to other splitting devices where it appears to the computer as one big monitor and the device does the splitting (which I don't want). Or, does this use the packet-based nature of DisplayPort to present two/three separate displays to the computer? Also, would this device work on my MacBook Pro? (I know the Dell site says it's for Windows, but it also says that no driver installation is required. I'd assume since the MBP supports DP 1.2 it would work, but it's better to ask). Thanks!

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• software for compression-decompression of pictures

  - by infant programmer

  I need to send hundreds of pictures via email. The size is reaching 100s of MBs .. which is certainly burden on network. WinRar, 7-Zip aren't helping .. Would you like to suggest any software which can carry out compression so that I can reduce the size and send it via email, and decompress it at the other end .. opensource or freeware are more preferred .. paid-versions are appreciated too Edit: I am seeking an alternative software for winrar and 7-zip which is more efficient in compressing .. but still not losing any data ..

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• Optimal way to make MySQL backups for fairly large databases (MyISAM / InnoDB)

  - by WinkyWolly

  Currently we have one beefy MySQL database that runs a couple of high traffic Django based websites as well as some e-commerce websites of decent size. As a result we have a fair amount of large databases using both InnoDB and MyISAM tables. Unfortunately we've recently hit a wall due to the amount of traffic so I've setup another master server to help alleviate reads / backups. Now at the moment I simply use mysqldump with a few arguments and it's proven to be fine.. until now. Obviously mysqldump is a slow quick method however I believe we've outgrown its use. I now need a good alternative and have been looking into utilizing Maatkits mk-parallel-dump utility or an LVM snapshot solution. Succinct short version: I have a fairly large MySQL databases I need to backup Current method using mysqldump is inefficient and slow (causing issues) Looking into something such as mk-parallel-dump or LVM snapshots Any recommendations or ideas would be appreciated - since I have to re-do how we're doing things I rather have it done properly / most efficient :).

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• How to monitor the size of files in Windows folder?

  - by zladuric

  What are some of good ways to automatically monitor the size of files in a directory and send warning email if they get close to a certain limit on a Windows server? I have a Progress DB installation to keep in check, and last week we hit some problems. Apparently, the size of extents has hit 2GB - and Progress won't work past that - we needed to open a new extent. I'm coming from a Linux environment, so I don't know what are the usual to monitor this in a Windows environment (or monitoring tools whatsoever). I prefer some generic solution, as I have a mixed environment (Windows 2000, Windows Server 2003, Windows Server 2008 R2). Thanks in advance for all usable alternative answers.

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• Completely replacing (upgrading) a RAID 5 array of disks on an ESXi server

  - by jshin47

  I have a development server that runs several VM on ESXi 5. It has an array of disks in the RAID 5 configuration where all of the disks are currently the same size. I would like to expand storage on this box greatly, but I am not sure what the smartest way to go about this would be. My current plan is to: Turn off all VM Copy VM folders from server to another location Verify that I can mount all the VM on the new location (ie that the copy went ok) Replace all the disks with new, bigger ones Reinstall ESXi5 Copy the VM back over This seems like it might take a while to accomplish and is not terribly slick, especially since I will have to reconfigure ESXi 5, but is there a smarter alternative?

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• Intermediate SSL Certificates on Azure Websites

  - by amhed

  I have successfully configured an Extended-Validation Certificate on an Azure Website following this article: http://www.windowsazure.com/en-us/documentation/articles/web-sites-configure-ssl-certificate/ The main (non-technical) stakeholder of the web application went through great lengths to validate that our site is secure. He went to this site to check the validity of our SSL: http://www.whynopadlock.com/ The site throw the following error: `SSL verification issue (Possibly mis-matched URL or bad intermediate cert.). Details: ERROR: no certificate subject alternative name matches`` The certificate is installed using IP Based SSL instead of SNI. This is done this way because some site visitors still use Internet Explorer 8 on Windows XP, which has no support for SNI and throws a security warning. Is my certificate correclty installed? I received three .CRT files from my SSL provider: PrimaryIntermediate.crt SecondaryIntermediate.crt EndCertificate.crt This is how I exported our certificate as a .PFX file to Azure: openssl pkcs12 -export -out myserver.pfx -inkey myserver.key -in myserver.crt

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• Mirroring svn repository

  - by cardy

  I have an svn repository and I'd like to have it duplicated over multiple machines for availability purpose. By now when my vps goes down, I'm unable to connect to repository and this is very annoying. Easiest (and expansive) solution is to setup two identical machine and make them work like clones. I'd like to know if there are any alternative (involving 2 machines). Ideally I would have two vps in different datacenters, so if one goes down I can rely on the other. Thanks. I need a mirror both for read and write not only for read. Svn Repos are berkley-db based

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• ProFTPd not in boot: Debian

  - by 50ndr33

  I just configured my new VPS with Apache, PHP, MySQL and ProFTPd. I wanted to install a smtp server, but I was advised to do a apt-get upgrade first. I did this, and I got up a blue screen where I could choose between two alternatives. It said something about GRUB 2 installer. I chose the alternative that was already selected, the topmost. I chose not to update the GRUB2, and use the old one that was installed. Now, ProFTPd doesn't start in boot anymore. I have to /etc/init.d/proftpd start every time. How do I fix this? Should I have chosen to update GRUB2? Should I do apt-get upgrade again and try to do the same GRUB2 installer again?

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• deploying skype for 50 nationwide users with preset usernames

  - by kevyn

  Is there a way to sign up a large group of skype names at once? is there a way to enable the users to be given a skype username based on their own e-mail addresses? What I would like to do is roll out skype in an office in every county in UK with a pre defined username such as 'mycompanyname-warwickshire', 'mycompanyname-bedfordshire' and so on. Our users are only basic computer users, so I would ideally like this done with as least fuss as possible for them! Thanks in advance ps. if anyone has a good way of doing this by using any alternative software, I'm open to suggestions

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• PostgreSQL disaster recovery options

  - by Alex

  My customer has quite a large (the total "data" folder size is 200G) PostgreSQL database and we are working on a disaster recovery plan. We have identified three different types of disasters so far: hardware outage, too much load and unintentional data loss due to erroneously executed bad migration (like DELETE or ALTER TABLE DROP COLUMN). First two types seem to be easy to mitigate but we can't elaborate a good mitigation plan for the third type. I proposed to use ZFS and frequent (hourly) snapshots but "ZFS" means "OpenIndiana" these days and our Ops engineers do not have much expertise in it, so using OpenIndiana imposes another risk. Colleagues try to convince me that restoring from PostgreSQL PITR backup can be as fast as restoring from a ZFS snapshot but I highly doubt that replaying, say, 50G of archived WALs can be considered "fast". What other options are we missing? Is ZFS an only viable alternative? Can we get a fast Pg DB restore time in the Linux environment?

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• How to get age field in Google Docs form:

  - by Juhele

  we need to create a form asking the clients for their age. Is there any way to create a field where you can only fill in numbers - maybe only 4 numbers like 1976 or 2011. Second alternative could be date. It would be perfect if I could limit the number - something like "not lower than 1800 and not higher than 2012" to prevent invalid numbers. I can create question with drop down list, but creating a list of all possible years would be stupid and incomfortable to choose from. thanks much

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• Copy large files to multiple machines on a LAN

  - by Jonathan Callen

  I have a few large files that I need to copy from one Linux machine to about 20 other Linux machines, all on the same LAN as quickly as is feasible. What tools/methods would be best for copying these files, noting that this is not going to be a one-time copy. These machines will never be connected to the Internet, and security is not an issue. Update: The reason for my asking this is because (as I understand it) we are currently using scp in serial to copy the files to each of the machines and I have been informed that this is "too slow" and a faster alternative is being sought. According to what I have been told, attempting to parallelize the scp calls simply slows it down further due to hard drive seeks.

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• Disable/configure Back and Forward through mouse wheel in Internet Explorer

  - by Subtwo

  I have a problem with Internet Explorer (version 7 on Windows XP). Sometimes (not always) when you use the mouse wheel to scroll a page up/down it instead chooses to go back or forth in the web browsing history. This behavior is the same as when you hold the shift-key simultaneously using the wheel. My guess is that Internet Explorer somehow gets misled by something and thinks that I'm actually pressing shift. This is in turn maybe an artifact of the fact that this particular session is a remote-desktop session originating from Linux (Ubuntu). Needless to say the problem can be quite irritating and the alternative of completely turning off the wheel functionality doesn't seem like an option as other applications would suffer greatly from this. Anyway back to my question(s): Is it possible to map the shift+wheel to a simple wheel event for Internet Explorer? Is it possible to disable the shift+wheel event for Internet Explorer? Any suggestions are greatly appreciated.

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• Digitizing notes?

  - by Nimmy Lebby

  I want to digitize my note taking. I was looking into using tablets or something of that sort but I feel that it would be too much of a challenge to type instead of actually writing my notes during meetings. That got me thinking into looking into something like LiveScribe. It looks neat but I don't know how it would work in the real world. How does OCR work with something like smart pens? How is the desktop applications? Any experience? Does anyone have an alternative suggestions? Positives and negatives? Any advice would be helpful.

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• Enter / Return key stops working

  - by andygrunt

  I have a Dell Latitude E5400 laptop running Windows 7. Everything runs fine on it for days then I suddenly notice the enter/return key is no longer working e.g. I could be writing an email, press enter for a new line but it doesn’t ‘register’ – so no new line. I thought it might be some dirt under the key perhaps so I tried running the Windows onscreen keyboard but the Enter key on that doesn’t work either. A reboot always fixes the problem but it’s a pain. Any ideas a) how to fix it and b) out of interest, is there some other key combination that I can use as an alternative to using the Enter key when I need to? UPDATE: Thanks to CarlF's suggestion, I tried exiting running programmes and found it seems to be a problem with PhraseExpress.

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• Can SBS2003 Monitoring and Reporting service work without Exchange?

  - by Magnetic_dud

  Hi, we have an SBS2003 server. Recently I decided to switch to hmailserver as i feel it's better than exchange 2003, so i disabled it. Of course i don't receive the Monitoring and Reporting emails from my server anymore, there is a way to change the setting? I think it directly interacts with Exchange, but maybe there is an smtp option out there Otherwise there is an alternative? I tried the paessler monitor on a vm, but i feel it's too much for my use: i just need to get a daily report of the security violations in the event log and something else

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• smartOS HPC config suggestion

  - by Andrew B.

  I'm configuring a brand new HPC server and am interested in using SmartOS because of it's virtualization control and zfs features. Does this configuration make sense for a SmartOS HPC, or would you recommend an alternative? System Specs: 2x 8-core xeon 384 GB RAM 30 TB HDs with 2x512GB SSDs Uses: - zfs for serving data to different vms, and over the network; 1 SSD for L2ARC and 1 for ZIL - typically 1-2 ubuntu instances running R and custom C/C++ code My biggest concerns as a newbie to SmartOS and ZFS are: (1) will I get near-metal performance from ubuntu running on SmartOS if it is the only active vm? (2) how do I serve data from the global zfs pool to the containers and other network devices?

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