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• Process keeps creating dump files

  - by Pieter

  We have a Delphi application running on a terminal server that keeps generating dump files. For the same PID, it keeps creating dump files with an interval of around 1 second until the process is killed manually. Another weird thing is the name of the dump files: ±_minidump_default_pid_7916_tid_x6590_2012_6_18_13_48_40.dmp ÷_minidump_default_pid_7916_tid_x6590_2012_6_18_13_48_42.dmp k_minidump_default_pid_7916_tid_x6590_2012_6_18_13_48_39.dmp Ô_minidump_default_pid_7916_tid_x6590_2012_6_18_13_48_41.dmp Ž_minidump_default_pid_7916_tid_x6590_2012_6_18_13_48_40.dmp The dump files aren't telling us much and we would like to have a suggestion where we should start looking.

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• What is the easiest way to do a direct file transfer of an extremely large file over the Internet?

  - by Kenneth Cochran

  I would like to transfer a 20+ GB file to a friend. I would like it to: Be fast Ensure data integrity Not require opening ports in either end's firewall Be free Not broadcast the file's existence to everyone on the Internet I've looked a several technologies and nothing seems to fit: Gnutella, BitTorrent, et al. satisfies 1, 2 and 4 JetBytes... 1, 3, 4 and 5 Yahoo Messenger, AIM, etc. 3, 4 and 5 FTP, SFTP... 1?, 4 and 5 rsync... 1, 2, 4 and 5 For a file this size speed and data integrity are the most important. No one wants a 20 GB file to fail a MD5 check after spending two days downloading it. Is there anything that meets all these requirements?

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• Rebuilding RAID1 in Ubuntu

  - by John Utech

  I had my second HD in my RAID1 come up with bad sectors. So I got another drive and pulled out the bad sector drive and put the new drive in. With the original working RAID1 drive in the computer it failed to boot. I manually copied everything from the old drive over via a Gparted Live CD. Still no booting. Kind of scratching my head here as I can see that both of the drives have data on them but are unable to get either of them to boot. I used a Ubuntu live CD and couldn't even manually mount either of the drives, which I thought was really the odd part. Not sure where to go from here.

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• Amazon EC2 Elastic Load Balancing - strategy for zero downtime server restart

  - by Yoga

  I have 5 web servers (Apache/mod_perl) behind Amazon EC2 Elastic Load Balancing, when I deploy codes to the web servers, I am doing this.. For each machine, shutdown the Apache Update the code Start over the server and proceed to the next server I think when my server is shutdown, ELB will not distribute request to my server, but how about the request still serving? I think a better approach is Stop accepting new request from ELB Sleep for sometimes, shutdown web server only if all requests are responded Update the codes Start the server again But how to perform (1) and (2) from my local sever? Do I need to use AWS API? or other easy way to do it? Thanks.

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• Provider claiming "all web servers in the cloud are automatically kept in sync" - should I be skeptical?

  - by RobMasters

  I'm no expert in cloud computing - I've spent a fair bit of time researching it and various providers but am yet to get any hands-on experience with it. From what I've read about AWS and auto-scaling EC2 instances though, it seems as though each instance should be completely decoupled from all other instances. i.e. If content is uploaded to the web server's local filesystem from a custom CMS backend then that content won't be available if subsequently requested from a different web server in the auto-scaling group. Is that right? I met with a representative of our existing hosting provider recently and he was claiming that it isn't a problem that our legacy CMS system is highly dependent on having a local filesystem. He said that all web servers, regardless of how many, would be kept as exact duplicates so I shouldn't notice any difference compared to our existing setup of a single dedicated server. This smells a little too much like bull fecal-matter to me...should I be skeptical about this? I'm a little worried because my (non-technical) boss who ultimately makes the decisions is all for signing up to this cloud solution because it won't require any extra work. I'm sure that they must at least be able to provide this, otherwise they wouldn't be attempting to sell it to us. But at what cost? It sounds as though each web server will always need to be checking the other web server(s) for new static content, which to me sounds like unwanted overhead that'll slow things down. I'd really appreciate it if somebody could clear this up to me. I'm all for switching to AWS and using S3+CloudFront for all static content, but that isn't looking very likely to happen at the moment.

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• Windows 2003 server RRAS on VPC

  - by Saif

  I'm trying to setup a L2TP VPN server(to give user access on to all my VPN instance) on a Windows 2003 instance running on my VPC. While trying to enable RRAS I'm getting error, "less than two network interfaces were detected on this machine". Eventually it's because there's only one network interface available, the which has private IP. I have elastic IP assigned to this instance as well. But RRAS can't see this. What should I do to RRAS to be able to see the interface with elastic IP?

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• Windows app that can stream video over local net with remote browsing

  - by Nifle

  What I want: An app that runs on a windows 7 computer that can stream movies to the other computers in the house. I want to be able to brows the movies on my "server" from the other computers and start streaming. I'm aware that VLC can do some (all?) of this but it's looks to complicated for my 6year old to use. Ideally I'd like something "Air Video Server" but for mac/win computers with a native client for browsing the movies on the PC running as server.

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• How can I get the size of an Amazon S3 bucket?

  - by Garret Heaton

  I'd like to graph the size (in bytes, and # of items) of an Amazon S3 bucket and am looking for an efficient way to get the data. The s3cmd tools provide a way to get the total file size using s3cmd du s3://bucket_name, but I'm worried about its ability to scale since it looks like it fetches data about every file and calculates its own sum. Since Amazon charges users in GB-Months it seems odd that they don't expose this value directly. Although Amazon's REST API returns the number of items in a bucket, [s3cmd] doesn't seem to expose it. I could do s3cmd ls -r s3://bucket_name | wc -l but that seems like a hack. The Ruby AWS::S3 library looked promising, but only provides the # of bucket items, not the total bucket size. Is anyone aware of any other command line tools or libraries (prefer Perl, PHP, Python, or Ruby) which provide ways of getting this data?

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• If my Remote Desktop Connection Broker server goes down, can users still access my two Terminal Servers?

  - by Frank Owen

  I would like to setup the Remote Desktop Connection Broker to allow better load balancing of the two terminal servers we have as well as allowing the user to re-establish to the correct server if they get disconnected. My worry is, if I set this up and the server this service is running goes down, does the terminal server stop accepting connections or will they just lose the benefit of having RDCB turned on? I don't want to add another point of failure in this equation unless I have to.

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• How to combine AWS and dedicated external servers?

  - by rfw21

  I have an extensive network of servers all currently hosted on AWS EC2. For reasons of cost I plan to gradually migrate to dedicated servers where possible. So: How can I best combine AWS and non-AWS servers in my network? Ideally, I should be able to assign internal IP addresses to the external servers, include them in AWS security groups and ensure that all private traffic between my AWS servers and external servers is secure.

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• How can I match an AWS account number to a key and secret

  - by iwein

  My client gave me a key and a secret to manage his EC2 things, but to make one of my AMI's available to run I have to fill in the Account Number. Is it possible to deduce the account number from the key and the secret? Obviously I also asked the client for this information, but since it's weekend and I'm not fond of waiting I wanted to see if I could figure it out myself. Have you done this before?

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• View BSAVE/BLOAD Image File in Windows?

  - by Dave Mackey

  BSAVE files are essentially partial memory dumps from the "old" DOS days. I have some old files created using BSAVE and would like to open them with a windows image editing application...Does anyone know of such an application?

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• Use old raid drive as boot device without data loss

  - by Gabriel

  There were two disks in sw-raid. There were /dev/md1 as swap, /dev/md2 as boot and a /dev/md3 with ext4. The sw-raid was disabled by stopping and removing mdadm and then zeroing the superblock on each /dev/mdX partition with: sudo mdadm --zero-superblock /dev/sda1 sudo mdadm --zero-superblock /dev/sda2 sudo mdadm --zero-superblock /dev/sda3 In the disk that is the first boot device, I don't know if it's relevant, the system type of each partition was set back from fd to 82 or 83 with fdisk, /etc/fstab was updated, changing /dev/mdX to /dev/sdaX, and grub was reinstalled on the boot partition (/dev/sda2) with grub-instal. But the system wont boot. What else should I do to use this disk as the boot device without reinstall or data loss? Current output of fdisk Device Boot Start End Blocks Id System /dev/sda1 2048 33556480 16777216+ 82 Linux swap / Solaris /dev/sda2 * 33558528 34607104 524288+ 83 Linux /dev/sda3 34609152 3907027120 1936208984+ 83 Linux With it doesn't boot I mean that it stops in the grub console (with the grub> symbol). A ls command says: (hd0) (hd0,msdos3) (hd0,msdos2) (hd0,msdos1) (hd1) (hd1,msdos1) It's weird because hd1 was formatted with ext4...

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• how to create a home server ?

  - by Eva

  i download appserv and install on my computer and set the default ip in my Default Gateway but when other people want to connect to my home server , they get the error of time out ! what am i going to do ? my server address : http://192.168.210.230/ and my firewall is now off ! also my antivirus pls help me . Thanks in advance

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• windows 2008 R2 TS printer security - can't take owership

  - by Ian

  I have a Windows 2008 R2 server with Terminal server role installed. I'm seeing a problem with an ordinary user who is member of local printer operators group on the server. If the user opens a cmd window using ‘run as administrator’ they can run printmanager.msc without needing to enter their password again. In printmanager they can change the ownership of redirected (easy print) printers without problems. If, from the same cmd window, they use subinacl to try and change the onwership of the queue to themselves they get access denied: >subinacl.exe /printer "_#MyPrinter (2 redirected)" /setowner="MyDom\MyUsr" Elapsed Time: 00 00:00:00 Done: 1, Modified 0, Failed 1, Syntax errors 0 Last Done : _#MyPrinter (2 redirected) Last Failed: _#MyPrinter (2 redirected) - OpenPrinter Error : 5 Access denied so, same context, same action but one works and one doesn't. Any ideas for this odd behaviour? I'm using subinacl x86 on an x64 server as I can't find anything more up to date. I've tried with icacls and others but couldn't get them to do anything with printers.

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• Why would my 15" MacBook Pro suddenly ask me to Hard Quit while I was in a browser?

  - by flathead27ford

  I was in Firefox looking at a search I had performed in eBay and all of a sudden, the screen grayed out starting from the top down. In the middle of the screen was a box with about 5 different languages saying I had to hard quit my computer. I tried other keys on my computer and nothing was working so I hard quit and restarted. Can anyone tell me why this happened? Cheers, Kyle

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• Looking for a central image database and tagging system for a group of users

  - by jstarek

  I'm doing IT support for a small volunteer organisation who needs to centrally store and organize around 2500 photos. Can anyone here recommend a database or similar system which matches the following criteria: Intuitive to use for users with little computer experience Multi-user support, ideally with integration in our existing LDAP user directory Should have a web-interface Not a hosted solution like Picasa (because we have a rather slow internet connection with very slow upload) Should allow tagging of images, sorting by various criteria and storing copyright information If there are native GNOME and/or Windows clients for the tool, that would be a great benefit. Many thanks in advance!

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• Windows program to limit bandwidth of other programs?

  - by James McMahon

  Is there a program for Windows that can selective limit bandwidth of a running process? Open source or freeware are preferable.

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• Where does WinSCP store site's password

  - by Stan

  Could anyone let me know where does WinSCP store site's information or password? I can't find under Documents and Settings... Thanks!

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• Backing up data (including mysqldumps) to S3

  - by seengee

  We have a web app on a number of servers and we want to add an additional layer of redundancy by backing up the key data to S3. The key data is the MySQL database and a folder containing dynamically created site assets - predominantly images. Some kind of rsync based solution would initially seem the best plan. A couple of years ago we played with S3cmd (in particular s3cmd sync) with some success but we didn't find it particularly reliable although this may have changed since. Its occurred to me though that a rsync solution might not work particularly well with a single db.sql file created with mysqldump and I assume this means the whole database getting transferred each time, with multiple databases of over 1GB this is going to add up to a lot of traffic (and $s) very quickly. With the image files I could simply just transfer files modified within the last day which would be far more simple. What approach should I look at?

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• Chef command to create new ec2 instance with second ebs volume attached and mounted instead of the default ephemeral volume?

  - by runamok

  We currently use this command to create a new ec2 instance with chef: knife ec2 server create --node-name=prod-apache-1 --availability-zone us-east-1c --image ami-3d4ff254 --distro ubuntu12.04-gems --groups "default" --ssh-key foo --identity-file ~/.ssh/id_rsa --ssh-user ubuntu --flavor m1.small After this command we then run further chef commands to finish provisioning the server. I was wondering if it would be possible while first setting up the instance I wanted a 100 gb volume created and mounted at /mnt and to have the ephemeral storage mounted at /tmp or /mnt-ephemeral instead. If not what further commands in chef would you advise running? I know how to do this via the aws console and can probably figure out how to do it via the ec2 command line tools but I am knew to chef and a bit overwhelmed.

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• AWS VPC - why have a private subnet at all?

  - by jkim

  In Amazon VPC, the VPC creation wizard allows one to create a single "public subnet" or have the wizard create a "public subnet" and a "private subnet". Initially, the public and private subnet option seemed good for security reasons, allowing webservers to be put in the public subnet and database servers to go in the private subnet. But I've since learned that EC2 instances in the public subnet are not reachable from the Internet unless you associate an Amazon ElasticIP with the EC2 instance. So it seems with just a single public subnet configuration, one could just opt to not associate an ElasticIP with the database servers and end up with the same sort of security. Can anyone explain the advantages of a public + private subnet configuration? Are the advantages of this config more to do with auto-scaling, or is it actually less secure to have a single public subnet?

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• Can a Windows process continue between sessions?

  - by sofakng

  I'd like to start a process when the PC starts up but before the user logs in. Then, after the user logs in they see the console/gui for already running process. If they logoff, the process will continue to run in the background until they log back in again. Is this possible in Windows Server 2008 R2? It seems perfect for daemon/server applications.

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• Changed array composition, mdadm --detail still shows the old array size

  - by Prody

  I have a machine with 8 disks. I installed it with my hoster's install automation (it's OVH, I don't have physical access to it). The machine installed correctly, but it made an array that I wanted to change. It created a raid5 array across 5/8 disks and I've changed it to raid10 across 8 disks. I've done this by first --stopping the old array and then --creating the new array. It warned me that a previous array was there, but I chose to continue. So it created the array, spent 10ish hours syncing it and now that it's ready I get this strange behavior: When I fdisk p on it, I see the correct size. But when I mdadm --detail it I see the old array's size even tho I get the new composition and level. When I try to pvcreate on it, i get the old size again for some reason. Did I have to do something else? Did I miss something?

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• How to add a second domain to an EC2 instance with Elastic & Route 53

  - by memeLab

  I've got my domain site.com running on EC2, using Elastic IP and Route 53. I want to park site.net so that it resolves to the same site.. I've looked up Migrating an Existing Domain to Route 53 in the docs, but can't find mention of how to add a second domain! I figured I'd have to create an A record, but when I do so, the record is created site.net.site.com .. not quite what I'm after! I've also done searches for mixes of 'route 53', 'park domain', 'addon domain', 'second domain', but no dice... My prior experience is with cPanel and Plesk, so I'm a bit lost! Any pointers would be appreciated! TIA

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