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  • zip being too nice (Mac OS X)

    - by stib
    I use zip to do a regular backup of a local directory onto a remote machine. They don't believe in things like rsync here, so it's the best I can do (?). Here's the script I use echo $(date)>>~/backuplog.txt; if [[ -e /Volumes/backup/ ]]; then cd /Volumes/Non-RAID_Storage/; for file in projects/*; do nice -n 10 zip -vru9 /Volumes/backup/nonRaidStorage.backup.zip "$file" 2>&1 | grep -v "zip info: local extra (21 bytes)">>~/backuplog.txt; done; else echo "backup volume not mounted">>~/backuplog.txt; fi This all works fine, except that zip never uses much CPU, so it seems to be taking longer than it should. It never seems to get above 5%. I tried making it nice -20 but that didn't make any difference. Is it just the network or disc speeds bottlenecking the process or am I doing something wrong?

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  • Windows Server 2008: How to tell if a user is a 'local' use or a 'domain' user

    - by David
    I'm a developer, not a server admin, so please bear with me! I've been tasked with checking the installation of some software on a Windows Server 2008 R2 machine in the cloud, within two scenarios: There is no domain, the software will use local users and groups for authentication There is a domain, the software will use domain users and groups for authentication I've done part 1, but I'm puzzled about part 2. I've just installed the Active Directory Domain Services role on the server, so now I have a domain of one computer. When I look in Active Directory Users and Computers, I see all my original local users and groups. Have they now been 'promoted' to domain users? Or do I not have any domain users yet? Is there a way I can tell the difference between domain users and local users now? Thanks

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  • PowerShell Remoting: No credentials are available in the security package

    - by TheSciz
    I'm trying to use the following script: $password = ConvertTo-SecureString "xxxx" -AsPlainText -Force $cred = New-Object System.Management.Automation.PSCredential("domain\Administrator", $password) $session = New-PSSession 192.168.xxx.xxx -Credential $cred Invoke-Command -Session $session -ScriptBlock { New-Cluster -Name "ClusterTest" -Node HOSTNAME } To remotely create a cluster (it's for testing purposes) on a Windows Server 2012 VM. I'm getting the following error: An error occurred while performing the operation. An error occurred while creating the cluster 'ClusterTest'. An error occurred creating cluster 'ClusterTest'. No credentials are available in the security package + CategoryInfo : NotSpecified: (:) [New-Cluster], ClusterCmdletException + FullyQualifiedErrorId : New-Cluster,Microsoft.FailoverClusters.PowerShell.NewClusterCommand All of my other remote commands (installing/making changes to DNS, DHCP, NPAS, GP, etc) work without an issue. Why is this one any different? The only difference is in the -ScriptBlock tag. Help!

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  • Hyper-V 2008 R2 Install Question

    - by Bill
    I have 500GB HDD that I installed on the server. If I am going to load Hyper-V r2 on the bare system, do I set the partition to use all this space or is there a recommend smaller partition size I should set for Hyper-V to run within? This is my first time loading Hyper-V bare to the system. I feel like I should be able to create a small partition of like 40GB for Hyper-V to run within. Then create a second larger partion to store my VM images. Any thoughts or guidance on this?

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  • SHH Tunnel for Remote Desktop via Intermediary Server

    - by Mihai Todor
    I've seen many examples of SSH tunnels on the nets, but I'm still having no luck with this. Here's the setup: Windows 7 PC in a private network, sitting behind a firewall, with PowerShellInsider SSH server set up and working fine. Public access Linux server, which has access to the PC. Windows 7 laptop, at home, from which I wish to do remote desktop on the PC. Now, here's what I've tried so far: SSH tunnel from my laptop to the Linux server: ssh -f my_user@LINUX_SERVER -L 6666:LINUX_SERVER_IP:6666 -N SSH to the Linux server where I've set up a tunnel to the PC: ssh -f 'PRIVATE_DOMAIN\my_user'@PC_NAME -L 6666:PC_IP:3389 -N Unfortunately, I must be doing something wrong, because it doesn't seem to work. Any ideas why or, at least, any suggestions on how can I try to debug this setup? At the moment, I have access to all 3 machines (non-root on Linux), so I can test whatever I want...

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  • Cloned screen on monitors with different resolutions

    - by jrtokarz
    I want to set up a system with two displays connected. One display will be a 22inch monitor with a native resolution of 1920x1080. The other display is a 19inch display native resolution 1024x768. I want to clone the 1920x1080 display on to the 1024x768 display. I have tried this and the 1080p image is squashed on to the smaller display. Is it possible to set it up such that rather than squashing the image, I can get the smaller display to use a virtual resolution of 1920x1080 and pan the display?

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  • need help upgrading small business wifi network

    - by Henry Jackson
    Our small business currently has 3 wireless access points around the building, each with their own SSID. Security is done with WEP (ick) and MAC address filtering (double ick). We are trying to reconfigure the setup, with these goals: wifi roaming between the access points user-based authentication that isn't as annoying as MAC address filtering. 1) The entire building is hardwired with ethernet, so I assume it should be easy to set up the routers to act as one big network, but I can't figure out how. Can someone point me in the right direction? The routers are consumer-grade linksys routers, is it possible to do this without getting new hardware? 2) For security, we will probably upgrade to WPA2, and I'm thinking of using the Enterprise version so that users can log in with a username, instead of having a single key (so if an employee leaves or something, their access can be removed). We have several on-site Windows servers, can one of them be set up as a RADIUS server, or is that best left to a dedicated machine (again, using existing hardware is good).

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  • need help upgrading small business wifi network

    - by Henry Jackson
    Our small business currently has 3 wireless access points around the building, each with their own SSID. Security is done with WEP (ick) and MAC address filtering (double ick). We are trying to reconfigure the setup, with these goals: wifi roaming between the access points user-based authentication that isn't as annoying as MAC address filtering. 1) The entire building is hardwired with ethernet, so I assume it should be easy to set up the routers to act as one big network, but I can't figure out how. Can someone point me in the right direction? The routers are consumer-grade linksys routers, is it possible to do this without getting new hardware? 2) For security, we will probably upgrade to WPA2, and I'm thinking of using the Enterprise version so that users can log in with a username, instead of having a single key (so if an employee leaves or something, their access can be removed). We have several on-site Windows servers, can one of them be set up as a RADIUS server, or is that best left to a dedicated machine (again, using existing hardware is good).

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  • Where can I find logs for SFTP?

    - by Jake
    I'm trying to set up sftp-server but the client is getting an error, Connection closed by server with exitcode 1 /var/log/auth.log (below) doesn't help much, how can I find out what the error is? I'm running Ubuntu 10.04.1 LTS sshd[27236]: Accepted password for theuser from (my ip) port 13547 ssh2 sshd[27236]: pam_unix(sshd:session): session opened for user theuser by (uid=0) sshd[27300]: subsystem request for sftp sshd[27236]: pam_unix(sshd:session): session closed for user theuser Update: I've been prodding this for a while now, I've got the sftp command on another server giving me a more useful error. Request for subsystem 'sftp' failed on channel 0 Couldn't read packet: Connection reset by peer Everything I've found on the net suggests this id a problem with sftp-server but when I remove the chroot from sshd config I can access the system. I assume this means sftp-server is accessible and set up correctly.

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  • Launch Sublime Text 2 from command line

    - by Erick
    I am trying to launch Sublime Text 2 via command line. I know it has already been done before here but I am having different constraints. I use the portable version of ST and store it into my Dropbox account. I guess you can see me coming here. I need to launch subtext on a relative path. So far it "kinda works" if I type in the command line subl file.txt it works I see the file content but if I type subl "file 2.txt" I do not have nothing it opens ST with something like c:\mydir\"file 2.txt". I guess the problem lies on the "%WORKINGDIR%\%1" of the script bellow. @ECHO OFF SET WORKINGDIR=%CD% cd /d %0\.. SET EXECDIR=%CD% cd %WORKINGDIR% START "Sublime text editor" "%EXECDIR%\sublimetext\sublime_text.exe" "%WORKINGDIR%\%1"

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  • How to change theme in Windows 7 with Powershell script?

    - by Greg McGuffey
    I would like to have a script that would change the current theme of Windows 7. I found the registry entry where this stored, but I apparently need to take some further action to get windows to load the theme. Any ideas? Here is the script that I'm trying to use, but isn't working (registry updated, but theme not changed): ###################################### # Change theme by updating registry. # ###################################### # Define argument which defines which theme to apply. param ( [string] $theme = $(Read-Host -prompt "Theme") ) # Define the themes we know about. $knownThemes = @{ "myTheme" = "mytheme.theme"; "alien" = "oem.theme" } # Identify paths to user themes. $userThemes = " C:\Users\yoda\AppData\Local\Microsoft\Windows\" # Get name of theme file, based on theme provided $themeFile = $knownThemes["$theme"] # Build path to theme and set registry. $newThemePath = "$userThemes$themeFile" $regPath = "HKCU:\Software\Microsoft\Windows\CurrentVersion\Themes\" Set-ItemProperty -path $regPath -name CurrentTheme -value $newThemePath # Update system with this info...this isn't working! rundll32.exe user32.dll, UpdatePerUserSystemParameters Thanks!

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  • Software RAID to hardware RAID, can it be done?

    - by gtaylor85
    Can it be done ... well. (For the record, I did not set this server up.) In my server there are 4 disks. 3 of them are in a software RAID5, and 1 has the OS installed. I want to buy a RAID controller, 4 new HDs and set up a hardware RAID5. If possible, I'd like to just image the current setup, and use it to build my new one. My questions are: Can I image a 3 disk RAID5 to 4 disk RAID5? Are there problems with this? What is considered best practice for your OS. To have it on a separate disk like it currently is, or to install it on the RAID5? Thank you. I can clarify anything. I'm not sure what other info might be pertinent.

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  • SQL server Rebuild Index

    - by Uday
    How can we know that before rebuilding index --How much space is required for the Transaction Log file( I knew we may required to consider sort_tempdb option , if we set to ON then we may required to ensure about tempdb space as well , Also if we set off then sorting, temporary indexes(during Build phase of rebuild index) creation will takes place in same Database.)?. Usually I have checked with Many users they say :Log file size =1.5 * Index size. How much space required for the Filegroup for datafiles-for ex-Consider I have one filegroup with 1 Mdf + ndf files. I have MSDN Link :those are pretty good information about per-requisites before rebuild index Link :http://msdn.microsoft.com/en-us/library/ms191183.aspx How can I tell exactly or Approx... to get Log/Primary FG size(or any other filegroup).

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  • .htaccess template, suggestions needed

    - by purpler
    # Defaults AddDefaultCharset UTF-8 DefaultLanguage en-US FileETag None Header unset ETag ServerSignature Off SetEnv TZ Europe/Belgrade # Rewrites Options +FollowSymLinks RewriteEngine On RewriteBase / # Redirect to WWW RewriteCond %{HTTP_HOST} ^serpentineseo.com RewriteRule (.*) http://www.serpentineseo.com/$1 [R=301,L] # Redirect index to root RewriteCond %{THE_REQUEST} ^[A-Z]{3,9}\ /.*index\.html\ HTTP/ RewriteRule ^(.*)index\.html$ /$1 [R=301,L] # Cache media files: ExpiresActive On ExpiresDefault A0 # Month <filesMatch "\.(gif|jpg|jpeg|png|ico|swf|js)$"> Header set Cache-Control "max-age=2592000, public" </filesMatch> # Week <FilesMatch "\.(css|pdf)$"> Header set Cache-Control "max-age=604800" </FilesMatch> # 10 Min <FilesMatch "\.(html|htm|txt)$"> Header set Cache-Control "max-age=600" </FilesMatch> # Do not cache <FilesMatch "\.(pl|php|cgi|spl|scgi|fcgi)$"> Header unset Cache-Control </FilesMatch> # Compress output <IfModule mod_deflate.c> <FilesMatch "\.(html|js|css)$"> SetOutputFilter DEFLATE </FilesMatch> </IfModule> # Error Documents ErrorDocument 206 /error/206.html ErrorDocument 401 /error/401.html ErrorDocument 403 /error/403.html ErrorDocument 404 /error/404.html ErrorDocument 500 /error/500.html # Prevent hotlinking RewriteCond %{HTTP_REFERER} !^$ RewriteCond %{HTTP_REFERER} !^http://(www\.)?serpentineseo.com/.*$ [NC] RewriteRule \.(gif|jpg|png)$ http://www.serpentineseo.com/images/angryman.png [R,L] # Prevent offline browsers RewriteCond %{HTTP_USER_AGENT} ^BlackWidow [OR] RewriteCond %{HTTP_USER_AGENT} ^Bot\ mailto:[email protected] [OR] RewriteCond %{HTTP_USER_AGENT} ^ChinaClaw [OR] RewriteCond %{HTTP_USER_AGENT} ^Custo [OR] RewriteCond %{HTTP_USER_AGENT} ^DISCo [OR] RewriteCond %{HTTP_USER_AGENT} ^Download\ Demon [OR] RewriteCond %{HTTP_USER_AGENT} ^eCatch [OR] RewriteCond %{HTTP_USER_AGENT} ^EirGrabber [OR] RewriteCond %{HTTP_USER_AGENT} ^EmailSiphon [OR] RewriteCond %{HTTP_USER_AGENT} ^EmailWolf [OR] RewriteCond %{HTTP_USER_AGENT} ^Express\ WebPictures [OR] RewriteCond %{HTTP_USER_AGENT} ^ExtractorPro [OR] RewriteCond %{HTTP_USER_AGENT} ^EyeNetIE [OR] RewriteCond %{HTTP_USER_AGENT} ^FlashGet [OR] RewriteCond %{HTTP_USER_AGENT} ^GetRight [OR] RewriteCond %{HTTP_USER_AGENT} ^GetWeb! [OR] RewriteCond %{HTTP_USER_AGENT} ^Go!Zilla [OR] RewriteCond %{HTTP_USER_AGENT} ^Go-Ahead-Got-It [OR] RewriteCond %{HTTP_USER_AGENT} ^GrabNet [OR] RewriteCond %{HTTP_USER_AGENT} ^Grafula [OR] RewriteCond %{HTTP_USER_AGENT} ^HMView [OR] RewriteCond %{HTTP_USER_AGENT} HTTrack [NC,OR] RewriteCond %{HTTP_USER_AGENT} ^Image\ Stripper [OR] RewriteCond %{HTTP_USER_AGENT} ^Image\ Sucker [OR] RewriteCond %{HTTP_USER_AGENT} Indy\ Library [NC,OR] RewriteCond %{HTTP_USER_AGENT} ^InterGET [OR] RewriteCond %{HTTP_USER_AGENT} ^Internet\ Ninja [OR] RewriteCond %{HTTP_USER_AGENT} ^JetCar [OR] RewriteCond %{HTTP_USER_AGENT} ^JOC\ Web\ Spider [OR] RewriteCond %{HTTP_USER_AGENT} ^larbin [OR] RewriteCond %{HTTP_USER_AGENT} ^LeechFTP [OR] RewriteCond %{HTTP_USER_AGENT} ^Mass\ Downloader [OR] RewriteCond %{HTTP_USER_AGENT} ^MIDown\ tool [OR] RewriteCond %{HTTP_USER_AGENT} ^Mister\ PiX [OR] RewriteCond %{HTTP_USER_AGENT} ^Navroad [OR] RewriteCond %{HTTP_USER_AGENT} ^NearSite [OR] RewriteCond %{HTTP_USER_AGENT} ^NetAnts [OR] RewriteCond %{HTTP_USER_AGENT} ^NetSpider [OR] RewriteCond %{HTTP_USER_AGENT} ^Net\ Vampire [OR] RewriteCond %{HTTP_USER_AGENT} ^NetZIP [OR] RewriteCond %{HTTP_USER_AGENT} ^Octopus [OR] RewriteCond %{HTTP_USER_AGENT} ^Offline\ Explorer [OR] RewriteCond %{HTTP_USER_AGENT} ^Offline\ Navigator [OR] RewriteCond %{HTTP_USER_AGENT} ^PageGrabber [OR] RewriteCond %{HTTP_USER_AGENT} ^Papa\ Foto [OR] RewriteCond %{HTTP_USER_AGENT} ^pavuk [OR] RewriteCond %{HTTP_USER_AGENT} ^pcBrowser [OR] RewriteCond %{HTTP_USER_AGENT} ^RealDownload [OR] RewriteCond %{HTTP_USER_AGENT} ^ReGet [OR] RewriteCond %{HTTP_USER_AGENT} ^SiteSnagger [OR] RewriteCond %{HTTP_USER_AGENT} ^SmartDownload [OR] RewriteCond %{HTTP_USER_AGENT} ^SuperBot [OR] RewriteCond %{HTTP_USER_AGENT} ^SuperHTTP [OR] RewriteCond %{HTTP_USER_AGENT} ^Surfbot [OR] RewriteCond %{HTTP_USER_AGENT} ^tAkeOut [OR] RewriteCond %{HTTP_USER_AGENT} ^Teleport\ Pro [OR] RewriteCond %{HTTP_USER_AGENT} ^VoidEYE [OR] RewriteCond %{HTTP_USER_AGENT} ^Web\ Image\ Collector [OR] RewriteCond %{HTTP_USER_AGENT} ^Web\ Sucker [OR] RewriteCond %{HTTP_USER_AGENT} ^WebAuto [OR] RewriteCond %{HTTP_USER_AGENT} ^WebCopier [OR] RewriteCond %{HTTP_USER_AGENT} ^WebFetch [OR] RewriteCond %{HTTP_USER_AGENT} ^WebGo\ IS [OR] RewriteCond %{HTTP_USER_AGENT} ^WebLeacher [OR] RewriteCond %{HTTP_USER_AGENT} ^WebReaper [OR] RewriteCond %{HTTP_USER_AGENT} ^WebSauger [OR] RewriteCond %{HTTP_USER_AGENT} ^Website\ eXtractor [OR] RewriteCond %{HTTP_USER_AGENT} ^Website\ Quester [OR] RewriteCond %{HTTP_USER_AGENT} ^WebStripper [OR] RewriteCond %{HTTP_USER_AGENT} ^WebWhacker [OR] RewriteCond %{HTTP_USER_AGENT} ^WebZIP [OR] RewriteCond %{HTTP_USER_AGENT} ^Wget [OR] RewriteCond %{HTTP_USER_AGENT} ^Widow [OR] RewriteCond %{HTTP_USER_AGENT} ^WWWOFFLE [OR] RewriteCond %{HTTP_USER_AGENT} ^Xaldon\ WebSpider [OR] RewriteCond %{HTTP_USER_AGENT} ^Zeus RewriteRule ^.*$ http://www.google.com [R,L] # Protect against DOS attacks by limiting file upload size LimitRequestBody 10240000 # Deny access to sensitive files <FilesMatch "\.(htaccess|psd|log)$"> Order Allow,Deny Deny from all </FilesMatch>

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  • Transferring websites from x64 to x86 server

    - by Ke
    Hi, I run a x64 staging server here along with the following: Solr Java etc. However, I am about to get a linode vps for production and quickly realising that x86 is the way to go for their lowest RAM package (thinking to upgrade later). My staging server is x64 with 12gb ram, so going down to 300mb ram is going to feel devilishly slow ;/ Here are my questions: 1) Will I have problems transferring my scripts, dbs etc from a x64 to x86 server? e.g. solr indexes 2) Is it worth going for the x86 package? I am probably going to upgrade later down the line and x64 might be better for the servers with more RAM? should I stick with x64 instead as there isnt much difference when using with low RAM? Cheers Ke

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  • How to retrieve all MySQL settings?

    - by Max Kielland
    I have a configured MySQL server (MySQL 5.1.47-community) that works perfect. I installed a second server (MySQL 5.5.15-community) to see if the new version of MySQL would work with my application before upgrading. When I run the application against the new server it behaves different. When I run it against the old server (MySQL 5.1.47-community) everything works perfect. I remember that I set some parameters through the MySQL prompt to accept larger result set and some other stuff, now I can't remember what I did. So my question is: Is there a way to transfer all the MySQL settings from one server to another? Thanks.

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  • How to retrieve all MySQL settings?

    - by Max Kielland
    I have a configured MySQL server (MySQL 5.1.47-community) that works perfect. I installed a second server (MySQL 5.5.15-community) to see if the new version of MySQL would work with my application before upgrading. When I run the application against the new server it behaves different. When I run it against the old server (MySQL 5.1.47-community) everything works perfect. I remember that I set some parameters through the MySQL prompt to accept larger result set and some other stuff, now I can't remember what I did. So my question is: Is there a way to transfer all the MySQL settings from one server to another? Thanks.

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  • cannot connect to MS FTP 7.5 on Windows 2008 on Amazon EC2 instance

    - by minerj
    I have just installed the MS FTP 7.5 upgrade on my Windows 2008 Server (Service Pack 2) running on an Amazon EC2 instance. In the FTP Firewall Support settings for the server in IIS Manager I have set up the passive port range 45001 - 45005 and also set the External Firewall IP address to match the assigned Amazon Elastic IP address. Using the AWS Console I changed the Security Group for the server to allow access to the server through ports 21 and 45001 through 45005. Using an FTP client (either the command line FTP client or Windows Explorer) on the Amazon server I can connect to the FTP server but I cannot connect with an external FTP client. When I checked to see which ports were open on the server using Shields Up it shows that port 21 is open but ports 45001 to 45005 are closed. I assume I'm missing something. Any help greatly appreciated.

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  • Why can't I connect to remote Microsoft SQL Server through SSH tunnel?

    - by Alexander
    I have at home a D-Link DIR-615 C1 router with DD-WRT. I set up the SSH server on the router, and log on through an SSH2-RSA passphrase-protected key. That router is the gateway between the local network and the internet. One of the computers on that network has Microsoft SQL Server 2008 installed, with TCP/IP protocol enabled through port 1433. I've set up port forwarding on the router, so that remote connections are possible and are, in fact, working (some developers log on remotely without problems). I am part of another network, that has internet access through a proxy server, which only has ports 80 and 443 opened. I can't connect to that MSSQL server on that remote server because 1433 port is closed on this network. I connected (using Putty) through 443 port to my router's SSH server, and set up 2 tunnels. One is for RDP (3389), and it's working. The other is for 1433 port, to connect to the server. I can't connect through the SSH tunnel to the MS SQL Server, neither through telnet, or through GUI clients. Am I missing something? Additional details: on connect, I get this error from SQL Server Management Studio: TITLE: Connect to Server Cannot connect to localhost:14330. ADDITIONAL INFORMATION: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) (Microsoft SQL Server, Error: 3) For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=3&LinkId=20476 BUTTONS: OK The tunnel is configured like this: L14330 192.168.0.103:1433 192.168.0.103 is the permanent address of the SQL Server on the LAN. I also successfully forwarded TCP traffic of 3389 port to that IP, so tunneling is working to that IP address. When connecting without tunnel, through Microsoft SQL Server Management Studio, using the same method the connection establishes. Too bad my proxy doesn't allow 1433 port traffic, I wouldn't have this headache.

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  • Is there a relation between MS SQL Server client licenses and performance

    - by ramdaz
    I have a customer who has an .Net application running on MS SQL Server 2008, supplied by our company as a part of Microsoft Small Business Server. He started off with around 5 users, and hence we had not sold any extra licenses. Today there are 40 users, and there's performance degradation. An MS Consultant said that to improve performance you need to buy extra licenses. Is there a relationship. I am anyway planning to force the customer to buy extra licenses on legal grounds. But will there be any appreciable performance difference too? Advice welcome

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  • inodes and tree-depth in ext2

    - by David Hagan
    I have an ext2 filesystem with a maximum number of inodes per directory (somewhere around 32k), and also a maximum number of inodes in the entire filesystem (somewhere around 350m). Because I'm using this filesystem as a datastore for a service that has in excess of 32k objects, I'm distributing those objects between multiple subdirectories (like a dictionary separates A-K and L-Z). My question is this: Is there any significance to the tree depth when I'm building these inodes? Is there a significant difference or limitation that's going to affect my service if I choose "/usr/www/service/data/a_k/aardvark" over "/data/a_k/aardvark"?

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  • Not all events appear in Nagios history (archive)

    - by Lars
    in the "Host & Service history" of my check_mk interface I can see various events, but a lot of events are missing. On the default interface at "View Alert History For This Service" or in the logfiles /var/log/nagios/archives/*.log the same issue: I can see many events of the last days, but not all of them. In the /etc/nagios/nagios.cfg the options log_event_handlers, log_initial_status and log_passive_checks are set to 0, the other log_... options are set to 1. I don't think that any of these options causing the problem that not all events are logged. What could cause this problem?

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  • Force caching of handler output which actively resists caching

    - by deceze
    I'm trying to force caching of a very obnoxious piece of PHP script which actively tries to resist caching for no good reason by actively setting all the anti-cache headers: Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Content-Type: text/html; charset=UTF-8 Date: Thu, 22 May 2014 08:43:53 GMT Expires: Thu, 19 Nov 1981 08:52:00 GMT Last-Modified: Pragma: no-cache Set-Cookie: ECSESSID=...; path=/ Vary: User-Agent,Accept-Encoding Server: Apache/2.4.6 (Ubuntu) X-Powered-By: PHP/5.5.3-1ubuntu2.3 If at all avoidable I do not want to have to modify this 3rd party piece of code at all and instead just get Apache to cache the page for a while. I'm doing this very selectively to only very specific pages which have no real impact on session cookies or the like, i.e. which do not contain any personalised information. CacheDefaultExpire 600 CacheMinExpire 600 CacheMaxExpire 1800 CacheHeader On CacheDetailHeader On CacheIgnoreHeaders Set-Cookie CacheIgnoreCacheControl On CacheIgnoreNoLastMod On CacheStoreExpired On CacheStoreNoStore On CacheLock On CacheEnable disk /the/script.php Apache is caching the page alright: [cache:debug] AH00698: cache: Key for entity /the/script.php?(null) is http://example.com:80/the/script.php? [cache_disk:debug] AH00709: Recalled cached URL info header http://example.com:80/the/script.php? [cache_disk:debug] AH00720: Recalled headers for URL http://example.com:80/the/script.php? [cache:debug] AH00695: Cached response for /the/script.php isn't fresh. Adding conditional request headers. [cache:debug] AH00750: Adding CACHE_SAVE filter for /the/script.php [cache:debug] AH00751: Adding CACHE_REMOVE_URL filter for /the/script.php [cache:debug] AH00769: cache: Caching url: /the/script.php [cache:debug] AH00770: cache: Removing CACHE_REMOVE_URL filter. [cache_disk:debug] AH00737: commit_entity: Headers and body for URL http://example.com:80/the/script.php? cached. However, it is always insisting that the "cached response isn't fresh" and is never serving the cached version. I guess this has to do with the Expires header, which marks the document as expired (but I don't know whether that's the correct assumption). I've tried to overwrite and unset headers using mod_headers, but this doesn't help; whatever combination I try the cache is not impressed at all. I'm guessing that the order of operation is wrong, and headers are being rewritten after the cache sees them. early header processing doesn't help either. I've experimented with CacheQuickHandler Off and trying to set explicit filter chains, but nothing is helping. But I'm really mostly poking in the dark, as I do not have a lot of experience with configuring Apache filter chains. Is there a straight forward solution for how to cache this obnoxious piece of code?

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  • Building new GIS Workstation - is it worth upgrading to a workstation GPU?

    - by bsigrist
    We are currently building a machine from scratch to act as a GIS workstation. The primary software used is ESRI's ArcGIS and we are mainly working with vector data using raster data only for contextual background imagery. In the past I have built a GIS machine and used a consumer grade gaming GPU (Nvidia 9800GT) and found it to perform fine. However, I have always wondered if I would have been better off equipping it with a workstation GPU such as a Quadro series. Would a workstation GPU make a noticeable difference doing 2D GIS operations or should I save money on the build and equip it with another 9800GT?

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