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• Exchange 2007: relay only from selected servers based on rDNS

  - by Frank

  I'm looking for a way to make Exchange 2007 only accept mail from a certain group of hosts. These hosts all use the same identifying rDNS entry. Exchange 2003 uses a whitelist based on the reverse DNS, there we could add the hostname to the to the "Domain" field. However, in Exchange 2007 this option seems to be removed. Is there a way to do this? IP's however tend to change. These changes can occur at any time, and it is impossible to keep all the servers up-to-date to the new IP's. Running a script that resolves the hostname and whitelists them accordingly is my last-resort option, but this is not fool-proof. Does anyone know whether this is possible and if so, how? Thanks!

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• Web-based (intranet / non-hosted) timesheet / project tracking tools

  - by warren

  I realize some similar questions have been asked along these lines before, but from reading-through them today, it appears they don't match my use case. I am looking for a web-based, non-hosted time and project tracking tool. I've downloaded Collabtive and Achievo so far, but am looking for other suggestions, too. My list of requirements: runs on standard LAMP stack non-hosted (ie, there is an option to download and run it on a local server) not a desktop/single-user application easy-to-use - my audience is a mix of technical and non-technical folks easy to maintain - when time for upgrading comes, I'd really like to not have to rebuild the app (a la ./configure ; make ; make install) needs to support multiple users free-form project additions: we don't have a central project management authority (users should be able to add whatever they're working on, not merely from a drop-down) Does anyone here have experience with such tools? It doesn't have to be free.. but free is always nice :)

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• Puppet, Nagios, Munin on cPanel based hosts

  - by WinkyWolly

  I've been managing 20-30~ cPanel based hosts over the past year with Puppet, Nagios and Munin for general monitoring / trending however a lot of the methods I've had to use to deploy / manage things such as configurations a pain. For those of you who aren't familiar with cPanel - it adds a few things to yum exclude such as perl*, ruby* and so forth. This causes issues with me being able to bootstrap monitoring on a new server via Puppet (well via the Package type) due to a bunch of conflicts with installing via Yum. Now I could create a custom RPM for everything and remove certain dependencies from the spec file however I would like to avoid this if possible. Does anyone have any proposed functional ways to manage this sort of environment? Currently I install Puppet, Facter and Munin via RPM's and force install using --nodeps and such (since they're installed, just no the ones Yum wants). Nagios I installed manually from source at this time (likely will create RPM's however I want to tackle this general issue first).

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• Password manager solution: Symbian based phone and a Linux machine (Windows is not important, but wo

  - by Kent

  Hi, I currently use KeePassX to manage my passwords on my Linux (Xubuntu) machine. It's nice to have all the passwords encrypted, but sometimes I'd like to be able to tell a password when I'm on the run. Therefore I'm looking for a solution which I can synchronize with my phone. I have a Nokia N82 which is a Symbian OS v9.2 based phone for the S60 3rd Edition platform with Feature Pack 1. I like an open source solution if it's possible. In case it isn't I wouldn't mind paying for a good solution. If Windows may be added to the synchronization mix it's nice, but it's absolutely not a primary requirement (I don't even have any computer running Windows).

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• Port based bandwidth shaping

  - by nixnotwin

  I have an interent connection with the speed of 4000k bits up and down. I want to do port based traffic shaping on a ubuntu machine, which acts as router. eth0 is the WAN interface. This is how I would like to allocate bandwidth: For ports 80 and 445 the bandwidth usage can go upto 90% For ports above 1024 upto 65535 the bandwidth usage can go upto 10% For remaining ports the bandwidth usage can go upto 40% The easiest way for achieving the above is using a router with tomato firmware. I have used it and it is very efficient. I want to try if it can be done on a Ubuntu or any GNU/Linux machine. I have googled extensively about the topic and I feel there isn't much information.

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• Excel Graph: How can I turn data below in to a 'time based' graph

  - by Mike

  In my spreadsheet I am collecting time periods when certain values have been changed. The user is restricted to 4 time periods. I would like to show the data based on thos time periods. I've included a mock up' of the data and the type of graph I would like to create. I've tried to create it for the last hour but am obviously missing something so thought I'd ask around. http://i48.tinypic.com/55lezr.jpg Many thanks for any help Mike P.S How do I make this image appear in the message and not as a link?

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• creating decision tree based troubleshooting documentation?

  - by Joseph

  We troubleshoot a lot of server and network issues and follow a loose set of steps on what to do in different cases. With more and more people and responsibility, the need for standardization is needed so we don't miss something. I know I could accomplish what I want using flowcharts, but I'd like to do something similar to a "Choose Your Own Adventure" style. I think this is pretty much the same as what support call centers seem to do. Are there any tools to make creating such documentation easier? I'm looking for a web based approach if possible.

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• Apache reverse proxy, redirect requests based on IP addresses

  - by Mr Aleph

  I have a Linux box with 2 NICs. I installed and configured Apache 2 for reverse proxy. Each NIC has its own IP address and I was wondering if there is any way to redirect the requests via Apache based on the IP address that was used to get to the box. For example: eth0 has IP 100.100.100.100, eth1 has 200.200.200.200 If I browse to http://100.100.100.100/AppName/App I want it to redirect to 1.1.1.1 and if I browse to http://200.200.200.200/AppName/App I want it to go to 2.2.2.2 Right now the configuration for Apache is set as follow ProxyPass /AppName/App http://1.1.1.1/AppName/App ProxyPassReverse /AppName/App http://1.1.1.1/AppName/App So anything going to /AppName/App will be redirected to 1.1.1.1 I was reading something about ProxyHTMLURLMap but I don't know whether this is something that might help. Any idea how to do this? Thanks!

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• Browser-based Operating System

  - by Ross Peoples

  I have a bunch of touchscreen machines that I want to display a webpage on and have users interact with the webpage via the touchscreen. Right now, this is done with a full-blown OS with a browser set to run at startup. I think maybe the ideal solution is to use a Linux-based OS that boots up, starts X, then starts a web browser (Chrome, Firefox, or whatever) in full screen mode. What kind of options do I have? I really want to avoid using a full-blown OS like I do now. It looks unprofessional and takes a while to boot up. I was thinking maybe Chrome OS or something, but I wouldn't know how to set it up for my purposes, since it's still designed to be used as a desktop OS instead of a kiosk-type OS.

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• Grant relay to servers based on AD security group membership

  - by john

  We're moving our relay from an Exchange 2003 server to an Exchange 2010 server. I was hoping the "Grant or deny relay permissions to specific users or groups" option would still be available in some form, but I can't find out how to do it. I've read up on recieve connectors and so far I can't get it to work. I have edited the security on the Recieve Connector to allow the following extended rights to the group and added computer accounts to that group: Accept Routing Headers Bypass Anti-spam Submit to Server Accept any Sender Accept any Recipient Then I suddenly realised while testing... How would the receive connector resolve the permission to a particular AD object, maybe a reverse DNS lookup? What I'd like to know is if what I'm trying to achieve is possible, and how it would be possible. I would rather not revert to an IP-based list as this is not as manageable, and I'm trying to avoid creating static IPs/reservations for a number of workstations that would otherwise not need them.

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• Backup strategies for linux based file servers

  - by iceman

  I want to know some enterprise-wide backup strategies used for linux based file servers. What are the tools and techniques used when making a backup. for e.g when a backup fails on a machine, it should email the admin about the failure and also a log file. This won't happen incase the HDD fails and the system is completely out of work, but in other cases where a backup didn't take place, the admin should be able to know. What tool/scripts can be used for this particular scenarios?

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• Client-based program to track response time for online webservice

  - by Søren Haagerup

  I am helping a customer with general IT support, and they have a problem with a hosted web-based system being slow. The provider of the system blames the client's computer, and the client calls me for help. I blame the provider, but it is hard to get them to do something about it without rock-solid evidence. And every time the provider comes around for a TeamViewer session, everything of course runs smoothly. Does there exist a client program or browser plugin that tracks statistics about response time for specific web services?

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• Indentation-based Folding for TextMate

  - by Craig Walker

  SASS and HAML have indentation-based syntax, much like Python. Blocks of related code have the same number of spaces at the start of a line. Here's some example code: #drawer height: 100% color: #c2c7c4 font: size: 10px .slider overflow: hidden height: 100% .edge background: url('/images/foo') repeat-y .tab margin-top = !drawer_top width: 56px height: 161px display: block I'm using phuibonhoa's SASS bundle, and I'd like to enhance it so that the various sections can fold. For instance, I'd like to fold everything under #drawer, everything under .slider, everything under .edge, etc. The bundle currently includes the following folding code: foldingStartMarker = '/\*|^#|^\*|^\b|^\.'; foldingStopMarker = '\*/|^\s*$'; How can I enhance this to fold similarly-indented blocks?

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• What does advantages of WIM image that file based vs. ISO or another sector based images in Administrator

  - by saber tabatabaee yazdi

  answers of this question is very important to administrators to choose between Microsoft solution or other 3rd Party Tools. WIM solution is file based and others are sector by sector images like Acronis or other backup and clone tools like Norton Ghost or Cloning in vmware ESXi and etc. My question about the advantages of WIM to edit or deploy in Enterprise? to get agreements of managers to choose between these alternative decisions. Are we had any Key Performance Indicators in Change management? Are there any statistics about compares of these solutions? What Time is spend in any solotion to get image or change images or revert and apply images? Is it possible to change and modify images that made in All of these solutions as easy as in WIM file?

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• web based source control management software [closed]

  - by tom smith

  hi. not sure if this is the right place, but hopefully someone might have thoughts on a solution/vendor. Starting to spec out a project that will require multiple (50-100) developers to be able to manipulate source files/scripts for a large scale project. The idea is to be able to have each app go through a dev/review/test process, where the users can select (or be assigned) the role they're going to have for the given app. I'm looking for web-based, version control, issue tracking, user roles/access, workflow functionality, etc... Ideally, the process will also allow for the reviewed/valid app to then be exported to a separate system for testing on the test server/environment. This can be hosted on our servers, or we can do the colo process. I've checked out Alassian/Collabnet, but any thoughts you can provide would me appreciated as well. thanks

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• How to migrate KVM based VMs running in LVM setup to Vmdk images

  - by Bond

  I am using KVM on Ubuntu Server 10.04. and Virtual Machines are running on it in LVM. I have to migrate some of them to Vmware server.How can I achieve this? I searched and came across some links but they all talked converting vmdk images to qcow or so.In this case I have OS in LVM. I also looked at man page of qemu-img and as I understand it should do what I am asking in this thread. But how exactly should I proceed in this case.Since it is not a file based image (OS running in an LVM which has filesystem in that LVM). So I am not able to understand what should I be doing to achieve the same. Can I achieve the above with snapshots of LVMs rather than shutting down the VM itself.

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• Excel chart won't update, based on calculated cells

  - by samJL

  I have an Excel document (2007) with a chart (Clustered Column) that gets its Data Series from cells containing calculated values The calculated values never change directly, but only as a result of other cells in the sheet changing When I change other cells in the sheet, the Data Series cells are recalculated, and show new values - but the Chart based on this Data Series refuses to update automatically I can get the Chart to update by saving/closing, or toggling one of the settings (such as reversing x/y axis and then putting it back), or by re-selecting the Data Series Every solution I have found online doesn't work - I have Calculation set to automatic - Ctrl+Alt+F9 updates everything fine, EXCEPT the chart - I have recreated the chart several times, and on different computers - I have tried VBA scripts like: Application.Calculate Application.CalculateFull Application.CalculateFullRebuild ActiveWorkbook.RefreshAll DoEvents None of these update or refresh the chart I do notice that if I type over my Data Series, actual numbers instead of calculations, it will update the chart - it's as if Excel doesn't want to recognize changes in the calculations Has anyone experienced this before or know what I might do to fix the problem? Thank you

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• creating decision tree based troubleshooting documentation?

  - by Joseph

  We troubleshoot a lot of server and network issues and follow a loose set of steps on what to do in different cases. With more and more people and responsibility, the need for standardization is needed so we don't miss something. I know I could accomplish what I want using flowcharts, but I'd like to do something similar to a "Choose Your Own Adventure" style. I think this is pretty much the same as what support call centers seem to do. Are there any tools to make creating such documentation easier? I'm looking for a web based approach if possible.

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• Numbering equations based on chapter numbers in MS-Word

  - by Isaac

  I am seeking for a way to number each equation based on the chapter numbers. The number should be placed at the right side of the equation and the equation should be center-aligned. Something like this: (The bounding box around 2.3 is not necessary). I found this article that do this in a tricky way. Sadly it has some problems when I use multilevel numbering for Headings. To conclude, I am looking for a way to numbers equations that: The numbering is formatted as N-M that N is chapter number and M is equation number. equation is placed in center-aligned number is placed in the right side of equation There should be a way to cross-reference each numbered equation. Thanks!

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• Excel Pivot table: Calculated field based on only the first row of a group

  - by Meysam

  I've got the following data and pivot table: The Total column in the pivot table is the sum of the following calculated field: =start-TIME(7, 30, 0) I know that this calculation is wrong for what I want to achieve. I need to know how much delay I have had on each day to start the work. e.g. on 1-Oct-12, assuming I should have started my work at 7:30, 8:00 - 7:30 which yields 30 minutes delay, 1 hour delay for 2-Oct-12 and 50 minutes for 3-Oct-12. So my question is, how can I have a calculated field based on only the first row of each group in a pivot table?

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• App / protocol to tune into live audio and video based on schedule or subscription

  - by Richard

  Many of us have embraced the podcasting revolution enabled by rss feeds and podcatchers. Alot of sites now broadcast live streams of what is eventually edited into a podcast. In most cases listening to the live stream gets you the info several days sooner then the podcast. So I was wondering if anybody knows of a notification protocol / app that allows me to auto tune into certain streams when they go live, or based on a schedule. I imagine twitter could be used for the notification but It'd be better not to be tied to a proprietary service. Example podcasts / live streams noagenda.squarespace.com jupiterbroadcasting.com twit.tv

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• Excel chart won't update, based on calculated cells

  - by sam SJL

  I have an Excel document (2007) with a chart (Clustered Column) that gets its Data Series from cells containing calculated values The calculated values never change directly, but only as a result of other cells in the sheet changing When I change other cells in the sheet, the Data Series cells are recalculated, and show new values - but the Chart based on this Data Series refuses to update automatically I can get the Chart to update by saving/closing, or toggling one of the settings (such as reversing x/y axis and then putting it back), or by re-selecting the Data Series Every solution I have found online doesn't work - I have Calculation set to automatic - Ctrl+Alt+F9 updates everything fine, EXCEPT the chart - I have recreated the chart several times, and on different computers - I have tried VBA scripts like: Application.Calculate Application.CalculateFull Application.CalculateFullRebuild ActiveWorkbook.RefreshAll DoEvents None of these update or refresh the chart I do notice that if I type over my Data Series, actual numbers instead of calculations, it will update the chart - it's as if Excel doesn't want to recognize changes in the calculations Has anyone experienced this before or know what I might do to fix the problem? Thank you

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• Postfix : relay based on sender address AND recipient address

  - by Pierre Mourlanne

  I have configured postfix to relay mails based on the recipient address. In transport I put something like this: recipientdomain.com relay:[my.relay.com] This works fine, when I send an e-mail to [email protected], it does get relayed through my.relay.com. I want to be able to use this relay only when the message comes from a specific address, say [email protected]. Two quick examples: Mail 1: from [email protected] to [email protected] - does not get relayed Mail 2: from [email protected] to [email protected] - gets relayed How can I configure Postfix to achieve this?

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• Windows Java-based apps not working

  - by DariusVE

  After updating the Java JRE to 7u25, many Java-based applications not works as usual, the I upgrade Java to 7u45, and still the apps not working. Minecraft start screen not showing, have to press TAB key to select the Run button and press ENTER to run the game. Netbeans IDE it's running, but none it's showing on the screen. Eclipse and JDownloader are working fine. I cannot run the Java Control Panel, it's only shows the Java icon at the taskbar. My System OS: Windows 7 Ultimate SP1 64Bits Java: java version "1.7.0_45" Java(TM) SE Runtime Environment (build 1.7.0_45-b18) Java HotSpot(TM) Client VM (build 24.45-b08, mixed mode, sharing)

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• Making audio CDs en mass - Linux based solutions?

  - by The Journeyman geek

  My mom's sings and gives away cds to people. Invariably it falls to me to have to burn cds for her, and burning 50-100 cds on a single drive is a pain. I DO have a handful of cd burners and a slightly geriatric old PIII 450. This is what i want to be able to do - either point an application at a folder of WAV or MP3s, say how many copies i need on CLI (since then i can SSH into the system and use it headless) feed 2 or more CD burners cds until its done, OR pop in a single CD into a master drive and have its contents duplicated to 2 or more burners. I'd rather have it running on linux, be command line based, and be as little work as possible - almost automatic short of telling it how many copies i want would be ideal. I'm sure i'll have people wondering about legality - My mom sings her own music, and its classical, and older than copyright law, so, that's a non issue. I just want a way to make this chore a little easier, short of telling my mom to do it herself.

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