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• Has anyone used products by StorSimple? [closed]

  - by AlamedaDad

  Their products are storage systems similar to NetApp, but their "hook" is they provide automated tiered storage with the third tier being Cloud providers like Amazon and Azure. They have an interesting story in which they provide primary SAN/iSCSI storage to VMWare and Exchange and at the same time do snaphots to the Cloud. This provides a possible DR option if you have a second system at an alternate location. I was impressed, but I've never heard of them so I'm looking for input and advise on the product. Thanks in advance...

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• variables used in inner queries

  - by wcpro

  im trying to build a query that has something like this select id, (select top 1 create_date from table2 where table1id = t1.id and status = 'success') [last_success_date], (select count(*) from table2 where table1id = t1.id and create_date > [last_success_date]) [failures_since_success] from table1 t1 as you can see the [last_Success_Date] is not within the scope of the second query, and i was wondering how i could access that value in other queries without having to rerun it?

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• specify temp folder for msi extracted files used for installation

  - by Binoj Antony

  I was recently installing Microsoft Windows SDK for Windows 7 and .NET Framework 3.5 SP1 to create my build server on a VM (Windows 2003 R2 Std), I was wondering that it would be nice to specify the temporary folder for the files being extracted by MSI for use during the installation. This should ideally work for any MSIs. I have some more virtual hard disks I have attached to this VMs, to point the temporary folder for MSI to one of these virtual hard disks would be quite productive since I can remove/discard this virtual hard disk later. Compacting the C drive VHD is a pain, and does not always reclaim space correctly. I tried changing the %temp% and tmp environment variable with no effect? Or is there any concrete/alternative solution to this type of problem? References: TempFolder Property ?? Windows Installer Wiki

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• KVM machine does not start ssh, network is started, used to work

  - by lleto

  have been searching an pulling my hear out for the last 6 hours. I have a virtual machine that has been running fine for the last six months. I was happy ssh'ing into it and it was running a database and some small apps. Tonight ssh stopped working, so I decided to reboot the machine. I now have the following situation: virsh list --all states machine as running I can ping the machine and get a reply When I ssh to the machine I see "ssh: connect to host [myserver] port 22: Connection refused" nmap does not show port 22 as open I have tried to: - reboot the machine once more (no luck) - mount the filesystem and check /etc/ssh/sshd.conf (has not changed since working situation) - install virsh console, however this does not seem to work When I mount the fs directly using losetup the strange thing is that file dates seem to be frozen in /var/log/ around the time of the crash. If I look in /var/run/ I can see an sshd.pid, but the time is 6 hours ago (and numerous reboots). My virsh xml looks like this: <domain type='kvm' id='21'> <name>myserver</name> <uuid>09678c8d-a99b-1d18-a7af-88d027cc8f93</uuid> <memory>1048576</memory> <currentMemory>1048576</currentMemory> <vcpu>1</vcpu> <os> <type arch='x86_64' machine='pc-1.0'>hvm</type> <boot dev='hd'/> </os> <features> <acpi/> </features> <clock offset='utc'/> <on_poweroff>destroy</on_poweroff> <on_reboot>restart</on_reboot> <on_crash>destroy</on_crash> <devices> <emulator>/usr/bin/kvm</emulator> <disk type='file' device='disk'> <driver name='qemu' type='raw'/> <source file='/dev/disk01/myserver'/> <target dev='hda' bus='ide'/> <alias name='ide0-0-0'/> <address type='drive' controller='0' bus='0' unit='0'/> </disk> <controller type='ide' index='0'> <alias name='ide0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/> </controller> <interface type='bridge'> <mac address='52:54:00:e3:13:86'/> <source bridge='br0'/> <target dev='vnet0'/> <model type='virtio'/> <alias name='net0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> </interface> <serial type='pty'> <source path='/dev/pts/1'/> <target port='0'/> <alias name='serial0'/> </serial> <console type='pty' tty='/dev/pts/1'> <source path='/dev/pts/1'/> <target type='serial' port='0'/> <alias name='serial0'/> </console> <input type='mouse' bus='ps2'/> <graphics type='vnc' port='5900' autoport='yes' listen='127.0.0.1'> <listen type='address' address='127.0.0.1'/> </graphics> <video> <model type='cirrus' vram='9216' heads='1'/> <alias name='video0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/> </video> <memballoon model='virtio'> <alias name='balloon0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/> </memballoon> </devices> <seclabel type='dynamic' model='apparmor' relabel='yes'> <label>libvirt-09678c8d-a99b-1d18-a7af-88d027cc8f93</label> <imagelabel>libvirt-09678c8d-a99b-1d18-a7af-88d027cc8f93</imagelabel> </seclabel> </domain> I'm sort of lost as to where I can look to get the machine up and running again. On the same instance of kvm I have another server running which is working fine. Both are Ubuntu 12.04. All help is welcome....

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• tar incremental backup is backing everything up, every time when used on the Dropbox directory

  - by Cyclic

  I made an incremental backup about 10 months ago (on Jan 27, 2013), creating a .snar metadata file. Now, when I try to make an incremental backup using tar --create --file=dropbox_incremental_1.tar --listed-incremental=dropbox_0.snar Dropbox the command just re-backs up everything. I'm not an expert at Unix timestamps, but I noticed that virtually all of my directory timestamps are way more recent than the last time they changed. For my actual files, they look like this: Access: 2013-03-12 19:04:51.000000000 -0500 Modify: 2012-09-30 15:10:47.000000000 -0500 Change: 2013-03-12 19:04:51.306209672 -0500 The 'Modify' timestamp seems correct, but the files were definitely not changed (at least not doing anything that I know of) at the time they say they were. These files still seem to go into the incremental archive. What's happening here? Is there a way to tell tar to look at the 'modify' timestamp? Isn't this what it's supposed to be doing?

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• "Address already in use" error from socket bind, when ports are not being used

  - by Ivan Novick

  I can not bind (using C or python sockets) to any port in the range: 59969-60000 Using lsof, netstat and fuser I do not see any processes using these ports. Other ports such as 59900-59968 and 60001-60009 I can bind to them. My OS: is CentOS release 5.5 (Final) 2.6.18-194.3.1.el5 There must be something missing? Anyone have any idea how to debug why this port range is not usable? Cheers, Ivan

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• Can someone recommend a Compact Flash card to be used as a boot disk

  - by Hamish Downer

  I have an early Acer Aspire One netbook, and the flash drive is really slow at writing. I've taken it apart to add more RAM, but I've pretty much stopped using it. I've read about people replacing the SSD with a Compact Flash card and a CF to ZIF adapter but I've also read about some Compact Flash cards where the manufacturer has permanently disabled the boot flag to stop people doing this kind of mod. (Can't find the link any more though). So my most specific question is: can someone recommend a compact flash card that does allow the boot flag to be set? Please say whether you've done it yourself, or just heard about it from someone else. Beyond that, is this generally a problem?

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• LFTP when used with proxies doesn't work

  - by user2949465

  can't seem to use LFTP with proxies that require authentification correctly on my Ubuntu server. When I use it with proxy that doesn't require username/password everything seems fine: lftp lftp :~> set http:proxy http://HOST:PORT lftp :~> set ftp:proxy http://HOST:PORT lftp :~> open username:[email protected] lftp [email protected]:~> get file.ext file.ext 36352 bytes transferred in 10 seconds (3.5K/s) lftp [email protected]:~> exit but when I have to put username/password there is a problem: lftp lftp :~> set http:proxy http://proxylogin:proxypass@HOST:port lftp :~> set ftp:proxy http://proxylogin:proxypass@HOST:port lftp :~> open ftp://ftpuser:[email protected] answer: cd: Access failed: 401 Authentication Required (~) please someone help!

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• Can an external server be used to encrypt all traffic

  - by Pasta

  My work takes me to a number of places with WiFi connection. I want to be able to encrypt the traffic between my laptop and the internet. Can I do this with a VPN server? What is the best way to get this done? Is there a secure and reliable service that will help me do this? This is fairly important and might be shared by upto 2 people at a time. Is it better to get a server setup on a cloud hosting solution? Amazon?

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• Best Linux dist for .NET developer looking to learn Groovy (and never used Linux)

  - by blade7

  Hi, I am planning to learn Groovy, but I want to do so on a Linux OS (because such an open minded approach will teach me more about IT and I have Windows Server VMs). Anyway, which Linux distro is the easiest to use and requires the least amount of knowledge on commands etc? As I am new to Linux, I want a dist. which doesn't require command-level knowledge (I am not at this level with Linux but I am with Windows Server). Which dist would be most suitable for me and has development utilities built in? Thanks

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• Why 'The' is used? [closed]

  - by akula

  I'm looking for a clear answer for this English grammar question: Why do we write: The UCI Road World Championships 2012 (when the year mentioned) The Republic of India (when there is only one nation) but NOT The India? The Monaco Grand Prix (only one place which holds GP with that name) Lake Baikal in South of the Russia (why not Lake Baikal in the Russia?) I know the answer: The grammar usage is Definite Article but I'm looking for a clear explanation to this question. Thank you

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• Flickering issue in external monitor when used with Acer Aspire One D260 netbook (Intel GMA 3150)

  - by seyenne

  I recently purchased a Acer netbook, Aspire One D260. It runs flawlessly. Yesterday I bought a Samsung 23" TFT with a native resolution of 1920x1080. According to the information found in the internet and my local computer dealer, the Intel chipset can handle the native resolution of the monitor. However, this is only partly the case. I use the VGA cable to connect, the monitor instantly switches to the native resolution and now the problem: Occasionally, especially the first 2 hours after booting up, I have a flickering all over the screen, sometimes the entire screen is shaking and spinning around like crazy. I figured out that lowering the resolution avoids the flicker but this helps only for some time. I can rule out that it's the monitor's problem since I found no issues with another notebook. Right now, I have no problems with the netbook, for about 30 minutes I didn't experience any issues... But I don't know for how long, it occurs without warning :-) I'm worried that if I would bring the netbook back to the dealer and explain my problem, after testing it on an external screen in the local shop, everything works just fine... And I won't get helped with the problem because I can't prove it. (I'm currently in Thailand and over here, customer service is nothing like back home in Germany) What can I do? Is this a driver related issue? (I installed the latest GPU driver) Is it because of the VGA cable? (But why does it work sometimes without any problems and with no issues on the other notebook) I monitored the GPU/CPU temperature, nothing changes really over time.. Can it simply be a faulty GPU and is a replacement justifiable? I'm really stressed now because for the time I'm writing, the flickering didn't occur... but for sure, soon or later it will happen again.. I forgot to mention, the problem also happens if the netbook runs on battery, unplugged. So the only hardware that is plugged is the TFT screen. ...........and here it comes again, flickering has just begun. NEED HELP! Thank you all for reading through this and giving any suggestions if possible. Cheers

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• Cannot remove wireless network profile even though admin account is used

  - by David Karlsson

  On my windows computer which is connected to a company domain. I have problems with the wireless networking. First of all the computer fails to connect. Second of all I cannot remove the network from the list of wireless profiles. The properties window simply claims that "This network is administered by the Administartor Account". I am currently logged in as the local administrator. I have also tried creating a new admin account and still get the same problem when trying to remove the network. My computer has only the microsoft security essentials antivirus and some VMWare+virtual box connections that I can figure might interfere, but disabling realtime protection has not helped me on this. I also cannot delete the virtual network adapters from the control panel / network adapters...

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• Disable laptop's display on boot when used with external display

  - by Ryan

  I keep my laptop tucked away and solely use an external display with it via HDMI. In Windows 7 display settings, I have it set up to "Show desktop only on 2 [my external display]" This works fine in all cases except when I boot the laptop when the external display is already connected. In that case, the laptop's display stays on and sticks at the Windows 7 boot logo unless I manually shut the display off. (I should mention that while the laptop's display is stuck at the boot logo, the external monitor and computer are running just fine.) The laptop is an Asus N56VZ with Nvidia 650m graphics and the latest drivers. I've checked Nvidia's control panel as well as the BIOS and nothing looked very promising. Any ideas as to how I can get my laptop screen to shut itself off after booting into Windows?

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• Laptop won't boot with both memory slots used

  - by Johnny W

  I'm currently trying to upgrade my old Sony Vaio VGN-SZ1HP/B to 2GB of RAM. It already had 1GB of Crucial RAM in one of its slots, and one empty. I checked on Crucial.com and it confirms that each bank can hold 1GB of PC2-5300. The 1GB stick already installed was this, but Crucial's page recommended this... The two are identical from what I can make out, so I just ordered another one of the former. Unfortunately the machine refuses to even POST with both sticks installed. If I remove the old RAM from Slot 1 and replace it with the new RAM it runs fine. If I leave Slot 1 empty and put RAM (either stick) in Slot 2, it won't POST. Basically it seems that Slot 2 just isn't working properly. Does anyone have any ideas on how to solve this problem? Or maybe have any experience with this sort of thing with Sony Vaios? Thanks for any help!

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• Multiple IPs on single server - Specify which is used to connect (MS server 2008 / DNS)

  - by runboy

  I have a Windows 2008 server with multiple IPs that is acting as DNS server. I have set the DNS server up to only accept connections on a single of these IPs. The DNS is serving as secondary DNS and when it connects to the primary DNS server it is not connecting with this particular IP address, but one of the other IPs. Is there a way in which I can make sure the server connects using the correct IP?

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• My PowerShell functions do not appear to be used

  - by Frank

  Hi there, I have a ps1 script in which I define 2 functions as such: function Invoke-Sql([string]$query) { Invoke-Sqlcmd -ServerInstance $Server -Database $DB -User $User -Password $Password -Query $query } function Get-Queued { Invoke-Sql "Select * From Comment where AwaitsModeration = 1" } I then call the ps1 file by typing it in (it's in a folder in the path, and autocompletion works) However, I cannot start using the functions. I am confused, because when I copy / paste the functions into the console, all is fine and they work. I also have a function defined in my profile, and it works. Where am I thinking wrong, why doesn't it work what I'm trying to do?

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• Try to delete files used by IIS

  - by Cédric Boivin

  I got a service coded in c# whoes deleted somes web site files hosted on iis, before an update. But sometime when i delete the files, they stay there. If I try to delete them manually, via explorer, the file are not deletable, because they are in state "Delete pending". There is the way my service try to delete the file try { // Enlève tout les attributs sur le fichiers afin de s'assurer que le fichier n'est pas en lecture seul File.SetAttributes(file, FileAttributes.Normal); // Supprime le fichier File.Delete(file); } It's there a way to avoid this state ? What can i do to force the delete by c# code? Could i release all process to the file by c# code ? The environnement is IIS 7.5 Windows 2008-r2 .net 4.0 Thanks

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• need for tcp fine-tuning on heavily used proxy server

  - by Vijay Gharge

  Hi all, I am using squid like Internet proxy server on RHEL 4 update 6 & 8 with quite heavy load i.e. 8k established connections during peak hour. Without depending much on application provider's expertise I want to achieve maximum o/p from linux. W.r.t. that I have certain questions as following: How to find out if there is scope for further tcp fine-tuning (without exhausting available resources) as the benchmark values given by vendor looks poor! Is there any parameter value that is available from OS / network stack that will show me the results. If at all there is scope, how shall I identify & configure OS tcp stack parameters i.e. using sysctl or any specific parameter Post tuning how shall I clearly measure performance enhancement / degradation ?

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• Accessing through VPN, which internet connection would be used

  - by Sriram

  I've a data card which has a limit of 2 GB up/download traffic per month. I've an office internet line which has an unlimited up/download. I've successfully connected to VPN using my data card and by changing certain configurations like DNS etc., have also been able to use my office line for internet (verified by doing a IP check - returns the static IP of our office). Now to my question - is it just a NAT which is happening or am I actually using my office line for all communication. Which one would reflect the usage/trace. The data card usage log at this moment does not reflect any usage (which is confusing since the VPN is over the data card connection). Further more (theoretically), would the net be any faster if my office line is let us say 8Mbps and the data card is 512kbps by doing this as against directly connecting the internet using the data card.

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• Can Excel sorts be saved and used again?

  - by Robert Kerr

  On an Excel 2007 worksheet, I have several tables, each sharing the same columns. For every table, I sort in several particular ways, depending on the task at hand. It gets tedious going to the Data tab, clicking Sort, unchecking the "my data has headers" checkbox, then add/removing the columns and ordering sort criteria. Is it possible to: * Save a given sort criteria (a named sort)? * Apply the sort against any selected range? * Create a button to execute each saved sort? In the end, I would create 4 or 5 named sorts and a button for each on the worksheet. Then would be able to select any range of rows, from any table, and click one of the sort buttons. The sort would execute.

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• What is a good program for storing "chunks" of commonly used source code

  - by Rob Wiley

  I've looked at CodeLocker (poorly styled and relatively unflexible, but free) and Source Code Library (Overzone software - very nicely styled, looks flexible, but very expensive - $80). Ideally, I'm looking for a relatively simple, inexpensive program (not an online website) that I can save text data (source code) with a title and keywords, maybe even a description. It would also have some type of search functionality.

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• httpd running as _www instead of www as it used to

  - by Ethon Bridges

  OSX Mountain Lion and Apache 2.2.22. I have always had the httpd.conf set as: User www Group www and it was running as such. Until today. Rebooted the server for another reason and when I tried to make some changes to a website via FTP this evening, it said access denied. Got to looking at the processes and httpd is now running as _www. WTH? Now of course all of my users are getting denied messages I assume because they were all created and permitted with the www user, not _www. Any idea why this happened or what I may have done to cause it?

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• Which DNS settings are used when setting up your server

  - by Saif Bechan

  I have a server and want to run my own name server service. Now I have set it up already and it works not, but I do not know where the exact settings are stored. On my server I use Plesk. When I edit DNS settings there I think it is stored in named.conf. Named is installed on the server, and BIND. Now I also have a panel from my registrar. This is separate from my server. Both places I can add the normal MX,A,CNAME, etc records. Now where is the best way to place this settings. Currently I have the same records on both places, on the server and at the registrar panel. I am correct to just add all the records at the registrar panel, and remove everything from within PLESK, and just don't run DNS on my server, because it is already done in the registrar panel. Or should I add the records in both places.

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• What is the nameserver in soa used for?

  - by John Lee

  Hey can you tell me what the nameserver in the soa record is for? name ttl class rr name-server email-addr (sn ref ret ex min) example.com. IN SOA **ns.example.com** (this nameserver). hostmaster.example.com. ( 2003080800 ; sn = serial number 172800 ; ref = refresh = 2d 900 ; ret = update retry = 15m 1209600 ; ex = expiry = 2w 3600 ; min = minimum = 1h ) ; the following are also valid using @ and blank @ IN SOA ns.example.com. hostmaster.example.com. ( IN SOA ns.example.com. hostmaster.example.com. ( so if I were to add 5 nameservers, and I put the first nameserver on soa, and this server was not working will the user go to the next nameserver?

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