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• (svh+ssh) getting bash to load my PATH over SSH

  - by Eli Bendersky

  This problem comes up with me trying to make svnserve (Subversion server) available on a server through SSH. I compiled SVN and installed it in $HOME/bin. Local access to it (not through SSH) works fine. Connections to svn+ssh fail due to: bash: svnserve: command not found Debugging this, I've found that: ssh user@server "which svnserve" says: which: no svnserve in (/usr/bin:/bin) This is strange, because I've updated the path to $HOME/bin in my .bashrc, and also added it in ~/.ssh/environment. However, it seems like the SSH doesn't read it. Although when I run: ssh user@server "echo $PATH" It does print my updated path! What's going on here? How can I make SSH find my svnserve? Thanks in advance

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• Jailkit - allowing use of Java/Python

  - by James hooker

  I'm looking to allow Jailed users to use JAVA (JRE) to execute their own Java files, similarly with Python to execute py scripts. I've tried adding the JAVA binary (/usr/bin/java) to a jail using the following jk_cp /path/to/jail /usr/bin/java This seems to copy some of the libraries across, aswell as the Java binary itself, however the jailed user is still unable to execute Java. It complains first of all of a missing lib called libsli.so. I copied that across and it then complains about libjava.so which I proceeded to copy across to, to no avail. Does anyone have experience with enabling the execution of Java within a jailed environment? This is under Ubuntu 10.04 64-bit, with Jailkit 2.11.

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• would unexpected power cuts harm the Linux OS?

  - by Johan Elmander

  I am developing an application on a Linux embedded board (runs Debian) e.g. Raspberry Pi, Beagle Board/Bone, or olimex. The boards works on an environment that the electricity is cut unexpectedly (it is far complicated to place PSU, etc.) and it would happen every day couple times. I wonder if the unexpected power cuts would cause crash/problem on the Linux Operation System? If it is something that I should worry, what would you suggest to prevent the damages on OS against the unexpected power cuts? PS. The application needs to writes some data to the storage medium (SD card), I think it would not be suitable to mount it as read-only.

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• OVF Tools error

  - by ToreTrygg

  Hello all, I am trying to use OVF tools 1.0 to create an .ovf appliance split to 4gbs. When I run the following command: ovftool --chunkSize=4gb vi://:@/?ds= e:\test\test.ovf everything starts off fine. It will got for about 15-16% then I get this message: "Error: unable to get NFC ticket for target disk". I have looked online, but cannot find anything that matches this problem. I am using Windows 2k3 as the ovf creation server, and I'm in a ESX 3.5 environment. The ovf must be split into 4gb chunks (or less) so they can be put onto DVDs. Also, when it is done it deletes the files it started to create. Any help would be greatly appreciated.

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• Linux: How to delay hddtemp service start at boot until all hdd are visible?

  - by Atis

  I live in a hot and humid environment, therefore I monitor the hdd temperature using hddtemp and gkrellm. There is an LSI9211 8i sata/sas controller in my computer. I have drives connected to both my motherboard and the LSI. hddtemp monitors only the drives directly connected to my motherboard after booting the system, therefore gkrellm displays the temperature of those drvies only. Logging in and restarting hddtemp before starting gkrellm fixes my issue, i.e. drives connected to the LSI controller are also visible. It seems that the drives connected to the LSI controller become visible only after hddtemp is started in the boot sequence. I think delaying it would help. How can I delay the starting of hddtemp till all drives are visible? I prefer a way to check if drives are visible to the delay of a specific amount of seconds.

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• How to detect APC UPS battery usage and run a script when on battery

  - by Andy Arismendi

  I have a couple APC UPS - Smart-UPS RT 6000 RM XL Smart-UPS RT 5000 RM XL Unfortunately the power in my office likes to go out (out of my control) and hence the equipment powered by these UPS shuts down. They power a VMware infrastructure environment (VMware Lab Manager) and what I'd like to do is detect when one is on battery (say has been for x amount of time or has x percentage left) and run a script on this event. What software do I need to detect a on-battery event and have it run a script? Thanks!

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• Fn + Right Arrow on MacBook Pro does not work as END Key for SuperUser web site

  - by George2

  Hello everyone, I am using a MacBook Pro running Mac OS X 10.5. I am new to this development environment, and previously worked on Windows. I have tried that Fn + Right arrow on Mac works as "END" key on Windows -- which makes cursor move to the end of line, for most application like Word for Mac -- I have tried it works. But I tried Fn + Right Arrow does not work for current question input box of SuperUser. I am wondering how to solve this issue and why? Does anyone have the same issue for me? thanks in advance, George

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• Can not input or print Chinese on PuTTY

  - by hetaoblog

  On Red Hat Enterprise Linux AS release 3, I've set my environment variable as below $ echo $LANG zh_CN.UTF-8 $ echo $LANGUAGE zh_CN.UTF-8 $ echo $SUPPORTED en_US.UTF-8:en_US:en:zh_CN.UTF-8 $ locale LANG=zh_CN.UTF-8 LC_CTYPE="zh_CN.UTF-8" LC_NUMERIC="zh_CN.UTF-8" LC_TIME="zh_CN.UTF-8" LC_COLLATE="zh_CN.UTF-8" LC_MONETARY="zh_CN.UTF-8" LC_MESSAGES="zh_CN.UTF-8" LC_PAPER="zh_CN.UTF-8" LC_NAME="zh_CN.UTF-8" LC_ADDRESS="zh_CN.UTF-8" LC_TELEPHONE="zh_CN.UTF-8" LC_MEASUREMENT="zh_CN.UTF-8" LC_IDENTIFICATION="zh_CN.UTF-8" LC_ALL=zh_CN.UTF-8 Meanwhile I've set PuTTY's transmission encoding as utf-8 and appearance-font setting to have a font as 'Fixedsys' which does support chinese. However, when I try to print a file with Chinese, it can not print it correctly $ cat 1.txt hello¦¦¦ $ and I can not input Chinese correctly on shell.

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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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• httpd.conf variables : What is the difference between ${var} and %{var}?

  - by 108.im

  What is the difference between ${var} and %{var} in httpd.conf? How and when would one use ${} and %{}? http://httpd.apache.org/docs/2.4/configuring.html mentions : The values of variables defined with the Define of or shell environment variables can be used in configuration file lines using the syntax ${VAR}. http://httpd.apache.org/docs/2.4/mod/mod_rewrite.html mentions: Server-Variables:These are variables of the form %{ NAME_OF_VARIABLE } and RewriteMap expansions:These are expansions of the form ${mapname:key|default}. Will ${VAR} be used everywhere in httpd.conf, except in mod_rewrite directive's (like RewriteCond, RewriteRule but except for RewriteMap expansions which use ${} as in RewriteRule ^/ex/(.*) ${examplemap:$1} ) Would a variable set in httpd.conf using SetEnvIf Directive, for use in same httpd.conf, be used as ${var} except when the variable is used with mod_rewrite directive's, where the variable would be used as %{var}?

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• Is an Ethernet point to point connection without a switch real time capable?

  - by funksoulbrother

  In automation and control, it is commonly stated that ethernet can't be used as a bus because it is not real time capable due to packet collisions. If important control packets collide, they often can't keep the hard real time conditions needed for control. But what if I have a single point to point connection with Ethernet, no switch in between? To be more precise, I have an FPGA board with a giga-Ethernet port that is connected directly to my control PC. I think the benefits of giga Ethernet over CAN or USB for a p2p connection are huge, especially for high sampling rates and lots of data generation on the FPGA board. Am I correct that with a point to point connection there can't be any packet collisions and therefore a real time environment is given even with ethernet? Thanks in advance! ~fsb

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• Event ID 8021 The browser was unable to retrieve a list of servers from the browser master

  - by Ash

  We have a LAN where workstations are randomly losing network connectivity for brief moments of time. The workstations can also take a long time to login to the domain. During our troubleshooting we have found an error log on a few Windows 7 workstations: Warning BROWSER 8021 The browser was unable to retrieve a list of servers from the browser master \\random-pc on the network \Device\NetBT_Tcpip_{BBABCDE9-D8A0-4399-93F2-492FE0848B12}. The data is the error code. What do these errors mean? What computers should have the Computer Browser service enabled, workstations and/or servers? The environment is a mix of Windows 7 & Windows XP workstations on a Windows Server SBS 2011 SP1 domain.

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• Xcopy /exclude does not exclude some of the specified criteria

  - by Richard Z.

  Good afternoon. I want xcopy to copy all files meeting a certain criteria located in the C drive to a specific folder, except ones located in the directories specified in excl.txt. The exclusions only work partially - the files located in %systemroot%, %programfiles% and in each profile's appdata are still copied, even though those directories are listed in excl.txt. How do I make xcopy skip those directories, preferentially still using environment vars to specify the paths? My current syntax is: xcopy /s /c /d /h /i /r /y /g /f /EXCLUDE:excl.txt %systemdrive%\*.doc f:\test\ excl.txt currently contains the following: \%temp%\ \%userprofile%\appdata \%programfiles%\ \%programfiles(x86)%\ \%systemroot%\ \%programdata%\ appdata windows %programfiles% Thank you very much.

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• MySQL Database Replication and Server Load

  - by Willy

  Hi Everyone, I have an online service with around 5000 MySQL databases. Now, I am interested in building a development area of the exactly same environment in my office, therefore, I am about to setup MySQL replication between my live MySQL server and development MySQL server. But my concern is the load which will occur on my live MySQL server once replication is started. Do you have any experience? Will this process cause extra load on my production server? Thanks, have a nice weekend.

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• Blocking password policy (expiry) for a particular OU in AD

  - by Kip

  Hey SF Folks, Situation is this: I need to have a particular container in my AD environment which blocks password expiry policy, but accepts all other policies. Is this something that would work by simply adding in a GPO at the sub-ou level (the ou in question is a child of ou's where GPO's including password stuff is set). These accounts (and this ou) already exist and will have the default domain policy as well as other policies applied and they should continue to receive policy settings as per those GPO's, with the exception of the Password Expiry. We have tried the password do not expire tickbox and that seems not to have worked. Thanks in advance. Kip

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• Can I setup a link SQL server connection between servers on different networks?

  - by Glenn Slaven

  We have a production SQL server hosted offsite at a hosting company, and we have a staging environment within our own network. We want to be able to setup a SQL job that copies content from a table on the staging server to prod on a regular basis, and I think we need to setup a linked server connection to do this. What do I need to get the hosting company to do to allow us to set this up? We have RDP access to the production servers, I just need to know what network and security configurations need to happen from the hosting company's perspective so I can ask them to do it.

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• Slow logins with roaming profiles

  - by tliff

  We are running an ActiveDirectory environment with Windows 2008 as DC and Samba 3.3 as fileserver, using roaming profiles. Some of our offices are connected to HQ via slowish links (1/2 Mbit). Naturally this is not very fast but that was expected. What I do not understand is, that if a user logs out (taking a long time to sync, as expected) and then logs in again the next day it also takes a long time to login. And that is what I don't understand. Shouldn't the sync recognize that nothing has changed rather quickly? Also: Is there any decent docu on how the synchronization is implemented?

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• Is it possible to skip .rvmrc confirmation?

  - by Viacheslav Molokov

  We are using RVM for managing Ruby installations and environments. Usually we are using this .rvmrc script: #!/bin/bash if [ ! -e '.version' ]; then VERSION=`pwd | sed 's/[a-z/-]//g'` echo $VERSION > .version rvm gemset create $VERSION fi VERSION=`cat .version` rvm use 1.9.2@$VERSION This script forces RVM to create new gem environment for each our project/version. But each time we was deploying new version RVM asks us to confirm new .rvmrc file. When we cd to this directory first time, we are getting something like: =============================================================== = NOTICE: = =============================================================== = RVM has encountered a not yet trusted .rvmrc file in the = = current working directory which may contain nasty code. = = = = Examine the contents of this file to be sure the contents = = are good before trusting it! = = = = Press 'q' to exit the reader when finished reading the file = =============================================================== (press enter to continue when ready) This is not as bad for development environments, but with auto deploy it require to manually confirm each new version on each server. Is it possible to skip this confirmation?

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• Doubts about Cloud Infrastructure

  - by Pravin

  Maybe a little more of the same questions that others have asked but wanted to clarify my doubt, for some years run my hosting company (reseller of esds) and I've done well so far, but I am determined to bring quality and server technology to offer another level. So far I have understood that there is a difference between cloud and cluster servers because the cluster function as load balancers that distribute in different servers roles and use the servers less overloaded in the cloud is the union of multiple servers and then the same is vitualized unlike the cluster that is allowed to use the resources of the CPU and RAM servers in the virtualized environment. My approach is to use 3 dedicated servers to create a cloud server, My doubts: Does this type of cloud servers are only reserved for big companies? (Either because the union of the servers is done by hardware or software with high price) What characteristics should these servers meet? Possibly through software which should be used? Available? Thanks for your time, Cheers!

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• How do you set DEBUG or RELEASE builds in Visual Studio 2008 (VB.net)

  - by GregH

  This has been driving me crazy...I have VS 2008 and am developing vb.net applications. How do I specify if I am building a debug or release version? The description I found of how to do this on the Microsoft site (http://msdn.microsoft.com/en-us/library/wx0123s5.aspx) don't seem to be accurate. This should be pretty straight forward shouldn't it? It seems that a friend of mine that does C# development says it is easy in his environment. Are the VS environments different between C# and VB?

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• How can I tell if a KB or newer has been installed for Windows?

  - by IguyKing

  I have a Windows system that I need to audit. The requirements is that (for example) KB2160329 has been installed onto the system. I know from lots of digging that KB2731847 that we have installed in the environment superseded the earlier KB. MSkbfiles.com works if you know the file name such as TCPIP.SYS. Doesn't do anything if you are just looking for KB Hotfixes. How can I say feed in a script that I'm looking for KB2160329 and it can check for superseded patches? Or is there a website somewhere that I'm missing? [Edited 7 May 2014 8:54am CST] I'm looking for a way to say that KB2731847 which is on the system does fix the same issue (plus more fixes) as KB2160329 which is not in the list as being installed on the system.

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• Oracle EE 11.2g: how to generate fresh new redo logs

  - by Aikanaro

  Hi, In the company I work for we are heavy users of vmware machines. Almost all our projects are developed inside a virtual environment up to the point where we have to deploy them into a production system. While in development, some colleagues of mine deleted the redo log files for Oracle in the hopes of gaining some free space. Now they are unable to start the database instance. Is there a way of generating a fresh new redo log so that the instance can be started? This is urgent and even though I'm currently googling for an answer I have yet to find it. Thanks in advance.

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• ibm 8305-29u Sound comes from internal speaker instead of green port - Ubuntu 10.04 LTS

  - by TecBrat

  The title pretty much says it all. My experience w/ubuntu is VERY limited. I did find the system test feature and ran an audio test. It found my device as Intel 82801DB-ICH4. I wasn't getting anything. I tried a couple of things and don't really even remember what I tried, but I started getting audio (not just beeps) from the system's internal speaker. Any ideas? (I can't rule out a hardware problem. This box sat under my bed for a couple of years and it's first life was in an environment FULL of cement dust.)H

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• MBSA: failed to create empty document

  - by Scott

  We just purchased a Windows-based VPS that I've been tasked to set up as a web server. It's running Windows 2003 Server Datacenter Edition. I downloaded the latest version of Microsoft Baseline Security Analyzer and installed it, but when I try to run it I'm given an error message "Failed to create empty document." A search on Google gave the suggestion to change the path of the TEMP and TMP environment variables, which I tried but it made no difference. I also saw suggestions that this problem is caused by MMC, but I was just in MMC setting up a user account. What am I missing?

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• (svn+ssh) getting bash to load my PATH over SSH

  - by Eli Bendersky

  This problem comes up with me trying to make svnserve (Subversion server) available on a server through SSH. I compiled SVN and installed it in $HOME/bin. Local access to it (not through SSH) works fine. Connections to svn+ssh fail due to: bash: svnserve: command not found Debugging this, I've found that: ssh user@server "which svnserve" says: which: no svnserve in (/usr/bin:/bin) This is strange, because I've updated the path to $HOME/bin in my .bashrc, and also added it in ~/.ssh/environment. However, it seems like the SSH doesn't read it. Although when I run: ssh user@server "echo $PATH" It does print my updated path! What's going on here? How can I make SSH find my svnserve? Thanks in advance

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