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• JMeter Stress testing

  - by mcondiff

  MAMP server hosting a Joomla instance. I'd like to hear the community's thoughts on the best way to stress test the server and find it's breaking point on concurrent users etc. Currently I have setup a test plan which I have going to the home page, grabbing the index.php, css, js and all images and have run tests on 1 to 100 users and a varying number of loops. What I'd like to know is how do I determine at what number of concurrent requests or looping requests is a good way to gauge if my server can handle the proposed increase in traffic? What is a good KB/sec, Throughput, Average, Max, Min via the Aggregate Report and at what number of threads/loops etc? I have googled and have not found immediate answers to these questions and thought to come here. More or less I have just used this http://jakarta.apache.org/jmeter/usermanual/jmeter_proxy_step_by_step.pdf to guide me and then I have been winging it in terms of Thread and Loop numbers. Any light shed on these subject would be much appreciated.

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• Apache2, PHP 5.2.8 Working - CRM Install Wizard Doesn't See the PHP Version

  - by nicorellius

  The Apache2 server and PHP version seem to be in order, but when I launch the CRM installer at http://localhost/<CRM dir>/install.php The wizard says I need a minimum of PHP 5.1 and preferably PHP 5.2.x. The thing is, I am running PHP 5.2.8, and I know this from running php --version Plus, I spent a bunch of time learning how and (I thought, successfully) compiling PHP 5.2.8. It is quite likely I screwed up and don't have some libraries I need, but I'm not sure where to look first. Thanks in advance.

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• Windows 7 power management in Boot Camp mode

  - by qntmfred

  I have a Macbook Pro with Windows 7 installed in Boot Camp. I have serious problems with the power management and not sure why. I have the default Balanced power plan selected. Many times when I close the laptop and leave it for more than just a few minutes, when I open it back up, it does not awake immediately. I end up having to press the power button to get it to wake up. Sometimes this causes it to wake up in Windows mode, sometimes it reboots completely, sometimes the battery has been drained and Windows has to restart. Is this a common problem? Can I fix it?

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• Apache internal test servers

  - by user74274

  I want to build a test system in the office. On one box I will install XAMPP. I will put a website that I want to test on that box. Now I do not want it connected to the Internet. So my plan is to use a reverse proxy to resolve things like ads and other external links. So I am thinking of using mod_proxy for that. Now my question is, How many boxes do I need? 1 for Xampp, 1 for mod_proxy and 1 for the server where mod proxy redirects them to. Total of three. But maybe I could do it with less. Can I run Mod_proxy on the first box? Is there a better way? Thanks

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• Wireless AP Placement and Digramming

  - by Matt Simmons

  I'm trying to research the best placement of wireless APs in a given space, and I'm running into problems in gathering information. I found (what I thought was) a great source in this tech republic article: http://techrepublic.com.com/5206-6230-0.html?forumID=82&threadID=163120 While this diagram seems detailed and overall very informative, there were a lot of comments talking about how it was lacking in things like "wire racks, microwaves, concrete walls, motors..." etc. Maybe I'm rash, but I just sort of looked around my office (which is, albeit, somewhat smaller than the one diagrammed), and went "uhhh, there", and hooked up the AP. It seems to cover everywhere. I imagine if my office quadrupled in size, I'd logically divide it up and put four APs in, with a similar amount of thought devoted to each. So, suppose I had a much more complex office. What tools (both diagramming and surveying) do you use to plan your AP placement?

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• Wireless AP Placement and Digramming

  - by Matt Simmons

  I'm trying to research the best placement of wireless APs in a given space, and I'm running into problems in gathering information. I found (what I thought was) a great source in this tech republic article: http://techrepublic.com.com/5206-6230-0.html?forumID=82&threadID=163120 While this diagram seems detailed and overall very informative, there were a lot of comments talking about how it was lacking in things like "wire racks, microwaves, concrete walls, motors..." etc. Maybe I'm rash, but I just sort of looked around my office (which is, albeit, somewhat smaller than the one diagrammed), and went "uhhh, there", and hooked up the AP. It seems to cover everywhere. I imagine if my office quadrupled in size, I'd logically divide it up and put four APs in, with a similar amount of thought devoted to each. So, suppose I had a much more complex office. What tools (both diagramming and surveying) do you use to plan your AP placement?

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• Do MSDTC and disaster recovery go together?

  - by DevDelivery

  Our application writes to multiple Sql Server databases within a distributed transaction. The Ops guys are saying that this messes up their disaster recovery plan because while the transactions on the live tables may commit at the same time, the log shipping on the separate databases happen at slightly different times. So in in a disaster recovery situation, there will be a few partial transactions. Is there a method for maintaining separate but synced databases in DR? Or do we have to re-design to relatively independent databases (or a single database)?

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• API Management Solutions

  - by Mike

  I'm currently building an API and am looking for a tool to allow me to monitor (in a GUI) and rate limit usage. I've come across a few enterprise solutions including: http://apigee.com/ http://mashery.com/ http://www.layer7tech.com/ http://www.3scale.net/ The Apigee enterprise plan is exactly what I'm looking for but plans start at $3000 / month which is out of my price range. The other solutions are all either to expense or do not provide the solution I'm looking for. This led me to look at some open source options including: http://apiaxle.com/ https://code.google.com/p/varnish-apikey/wiki/UsageManual Varnish seems like a fairly complete solution, however I would need to build a GUI to visualise the data. My final option would to build a solution from scratch using EventMachine and ruby. Any advice?

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• Difference between RPM (yum) and apt-get

  - by Josh K

  Functional difference between the two? Packages different style or what? I'm dipping my toe in the server pool and playing with an Ubuntu install right now, which is apt-get. I'm also considering FreeBSD and Debian if I do decide to start running my own VPS. So far things have been very easy, sudo apt-get install apache2 and the like with no issues at all. I'd like to know if there is a different learning curve to yum or variants.

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• automator scripts - resources

  - by sagar

  In Leopard, on Finder - desktop, right click pop up menu has an option for automator scripts. In Snow Leopard - they have removed this option. More over, I would like to learn some automator scripts. What are the great resources for learning about automator & it's script ? Suppose, I want to create an automator for creating a tar.gz for selected files & folders. What should I do ? Thanks in advance for sharing your knowledge. Please add comment before down vote or close vote. Sagar.

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• Setting up a wireless network with Verizon MiFi

  - by winarm

  I am trying to set up a home network. I live in a location without cable internet so I have a Verizon MiFi card. I have a few laptops at the moment and they each connect through the card but I want to set up an Ubuntu 10.10 server and see if I can use it for DHCP. I have a Trendnet TEG-S50G switch and the computer I plan to use for the server has a Linksys WMP-11 Wireless PCI card. Is there any other equipment I need in order to get this to work? Is this even doable? Is there a better way to make this happen?

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• How to enable "Sleep" for Windows 2012 server

  - by Ramesh

  I recently installed Windows Server 2012. This will serve as the dev-instance for our engineers and will be accessed in multiple time zones. I therefore plan to run this 24x7 but want to conserve energy by going to sleep mode when not in use & enable Wake-On-Magic-Packet. Based on the previous post it appears that there is no option to sleep Win Server 2012 with Hyper-V. Since I don't care much about virtualization now, I uninstalled Hyper-V. In addition to this, I have done the following 1) Ran powercfg -a. Don't find sleep. 2) Added [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\hvboot] "Start"=dword:00000003 to try gaining sleep - no luck! 3) Only see Shutdown and Restart in power options. Please help me sleep and save the planet :-) Thanks, Ramesh

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• Measuring accesses to files - apache

  - by George

  So, I run a website, that among other things serves some files (usually PDFs). All of these are stored under a specific directory on the server: /var/www/vhosts/mysite.com/httpdocs/site/pdf_files Due to storage issues on my VPS I am thinking of getting some S3 or other cloud storage, and mount it as a drive using S3QL/S3FS. Then I will be able to have the pdf_files folder symlinked to the cloud folder and serve those files using that, without any changes on the web app (is that a good plan?) Now, before doing that, to estimate costs, I need to measure how many file accesses people do, how many times those pdf files are downloaded each month for example. Basically how many times those pdf files are accessed through the webserver. I'd like to do it on the apache level. What's the best way that this can be done? e.g.: measuring the bandwidth used by files in that specific folder would also be nice, but estimating the GET requests I'll be doing to amazon is more important.

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• Backup strategy for Windows Server 2008 R2 and Hyper-V

  - by winserveradmin

  I am in the process of planning a Hyper-V deployment with SCVMM 2008 R2. I have several VMs on VMWare Player (temporary solution) for stuff like Sharepoint 2007, 2010, and a couple of other server apps. I want to develop a resilient backup plan for this. On the software side, Data Protection Manager 2010 will support all of the server apps I run (sQL Server 2008 R2, Sharepoint, Exchange, etc). But on the hardware side (storage), what is the best way to go? Drobo seems to have issues with Hyper-V juding by a few threads on here and doesn't support DPM 2010 (which is in beta anyway) but not even the 2007 version (see http://www.drobo.com/support/best_practices.php). What storage device would work well? Do I need a home server or just an external usb drive? Capacity wise, 2tb will probably be best so I can have a small archive and implement a round-robin system. Thanks

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• What are the best practices for service accounts?

  - by LockeCJ

  We're running several services in our company using a shared domain account. Unfortunately, the credentials for this account are widely distributed and being used frequently for both service and non-service purposes. This has led to a situation where it is possible that the services will be temporarily down due to this shared account being locked. Obviously, this situation needs to change. The plan is to change the services to run under a new account, but I don't think this goes far enough, as that account is subject to the same locking policy. My questions is this: Should we be setting up the service accounts differently than other domain accounts, and if we do, how do we manage those accounts. Please keep in mind that we are running a 2003 domain, and upgrading the domain controller is not a viable solution in the near term.

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• Add server 2008 to 2003 domain schema upgrade failed

  - by Ken

  I'm trying to add a server 2008 r2 server to an existing 2003 domain (upgraded to 2003 functionality). I've followed the steps from microsoft which are clarified by this post: 2003 DC AD upgrade to 2008 on second server migration plan While running adprep /forestprep I lost my connection and wasn't able to resume or remote control that session, so I couldn't see the end result of the command. Rerunning adprep /forestprep indicates that the process has already been completed successfully. After finishing the rest of the steps (/domainprep ... and /gpprep, etc), the 2008 server won't join. The error message is the same "you need to run forestprep first" So the situation I'm in is that I can't rerun /forestprep, but my Registry key still reads schemaVer=30. Should I have staged forest upgrades? Any ideas how to get my schema ver to 44 at this point?

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• Windows FAT/NTFS Low-Level Disk Viewer (Norton DiskEdit alternative)

  - by Synetech inc.

  Hi, One of my most valuable software tools has always been Norton DiskEdit from Norton Utilities/Symantec Systemworks. I have used it for years for so many things, including, but not limited to learning file-systems. I am now in search of a similar tool that can let me view FAT and NTFS disks at a low and high level under Windows. I have seen Runtime Software’s DiskExplorer, but unfortunately, it is limited in a number of ways, particularly annoying is that it does not really let you view the disk as structured (it does not let you see directory entries from a directory that is fragmented like DiskEdit can without doing a too-exhaustive scan which doesn’t even work for FAT partitions that have cluster sizes <4KB). Does anyone know of a Windows alternative of a Norton DiskEditor? Thanks a lot.

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• Manage Upload Permissions, SFTP & Linux

  - by John R

  I'm new to Linux. I am working with a Redhat 5.5 server and am using a Java-based SFTP script that will allow multiple users to upload text files to a server. I am undecided if each user will have a separate directory or if I will use a naming convention that includes their customer ID. The files include some personal information about their LAN settings, so I prefer to use SFTP as apposed to FTP. It is my understanding that SFTP is encrypted (Also, I have a Java class configured to upload via SFTP, so I prefer not to switch protocols unless their is a very-good reason). The prototype is for a system that will support large numbers of customers and the thought of continually adding and removing clients through the command line seems highly impractical. (Again, I am new_to/learning Linux and Redhat). What are normal conventions for giving multiple users permission to SFTP upload files with a unique username and password for each.

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• Using Python on Mac

  - by choise

  hi, i want to learn python using my mac. now i want to setup a python version = 3.1.3, because my materials for learning are using this version. typing python into terminal results version 2.6.1, using the dmg installer on python.org (http://docs.python.org/ftp/python/3.1.3/) doesn't have an effect on the python version in terminal, but it's bundled with an own shell under Applications/Python 3.1/Idle.app my question now is, should i use this shell for learing or is there a better way, updating the python version bundled with snow leopard? i already tried defaults write com.apple.versioner.python Version 3.1.3 or defaults write com.apple.versioner.python Version 3.0 without any result. thanks!

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• Transferring a single wordpress site from shared account to vps

  - by N e w B e e

  I got a hosting account at Hostgator. it was a shared account and i had three websites present over there. Now, i have upgraded my account to VPS at Hostgator and i want to transfer only ONE website over the new VPS. say, mydom.net. this website includes wordpress installation and other custom pages and setup can somebody please guide me How can I transfer the web to my new account? with speed, accuracy, and such that my website remains in working condition.. what will I do about wordpress? simply copy it will work?(I dont thnk so), if not how can I move it? I need guideline. and I am asking the question with a hope that many others will also learn the things just as i am learning,, thanks to all, and I dont understand the right location to ask the question..sorry if i made somthing wrong...or I have asked it at some wrong place

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• Ubuntu whois package and request limits

  - by Sam Hammamy

  I'm writing a django app with a form that accepts an IP and does a whois lookup on the discovered domain names. I've found the Ubuntu package whois which I plan to call from a python subprocess, and read the stdout into a StringIO, then parse for things like Registrar, Name Servers, etc. My question is, it seems that there are many paid whois services, which means that there must be a reason why people don't just use this Ubuntu package. I'm wondering if there's a request limit on the number of requests from a single IP to the package's whois server? I will probably be making 250 domain lookups per IP or maybe more. Also, I've found that some domains aren't searchable: qmul.ac.uk is searchable kat.ph is not searchable ahram.org.eg is not searchable Any particular reason for that?

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• What are the implications of expanding an internal subnet mask?

  - by Philip

  Our network is currently working on a 192.168.0.x subnet, all controlled through DHCP, except for the few main servers who have hard-configured IP address settings. What would I kill if I changed the DHCP-published subnet mask from 255.255.255.0 to 255.255.0.0? The reason for doing this is not because we have a huge sudden influx of machines, but because I'd like to start partitioning specific devices into specific IP ranges (to be neat and tidy). For what its worth, I don' plan on changing the allocated DHCP address range, but rather want to move some of the reserved and excluded DHCP addresses out of the address pool. e.g. printers will be 192.168.2.x I will obviously need to change the subnet mask manually on my manually configured devices.

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• preparing to migrate MOSS 2007 SP1 content into new server with MOSS 2007 SP2 with the same server n

  - by Albert Widjaja

  To All Experts here, I'd like to perform a MOSS server content migration from the existing single instance server (SQL Server 2008, Windows Server 2008, SharePoint 2007 SP1) all in one and by maintaining the server name only, here's what I had in my migration plan document outline: I have created the new Windows Server 2008 R2 + SQL Server 2008 SP1 and MOSS 2007 SP2 after that: Backup MOSS_ContentDB from SQL Server 2008 SSMS (does this enough to cover all top level sites and its content in the library and doc. repository ?) Backup all top level sites from CA site using the CA Sites backup and restore tools. turn off the old MOSSDEV01 (current server) rename the existing server (TempServ01) into MOSSDEV01 (so that the user bookmark and other link inside MOSS site still working) perform restore of the DB restore the site collection and its content from the backup is that the correct way to do it ? I haven't execute the server configuration wizard to create the same port number of the SSP, CA and the SQL Server DB yet. Any idea and suggestion would be greatly appreciated Thanks.

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• Suggest methods for testing changes to "pam.d/common-*" files

  - by Jamie

  How do I test the changes to the pam.d configuration files: Do I need to restart the PAM service to test the changes? Should I go through every service listed in the /etc/pam.d/ directory? I'm about to make changes to the pam.d/common-* files in an effort to put an Ubuntu box into an active directory controlled network. I'm just learning what to do, so I'm preparing the configuration in a VM, which I plan to deploy in metal in the coming week. It is a clean install of Ubuntu 10.04 Beta 2 server, so other than SSH daemon, all other services are stock.

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• Cleaning Up Unused Users and Groups (Ubuntu 10.10 Server)

  - by PhpMyCoder

  Hello experts, I'm very much a beginner when it comes to Ubuntu and I've been learning the ropes by diving in and writing a (backend-language independent) web app framework that relies on apache, some clever mod_rewrites, Ubuntu permissions, groups, and users. One thing that really annoys my inner clean-freak is that there are loads of users and groups that are created when Ubuntu is installed that are never used (Or so I think). Since I'm just running a simple web app server, I would like to know: What users/groups can I remove? Since you'll probably ask for it...here's a list of all the users on my box (excluding the ones I know that I need): root daemon bin sys sync man lp mail uucp proxy backup list irc gnats nobody libuuid syslog And a list of all of the groups: root daemon bin sys adm tty disk lp mail uucp man proxy kmem dialout fax voice cdrom floppy tape sudo audio dip backup operator list irc src gnats shadow utmp video sasl plugdev users nogroup libuuid crontab syslog fuse mlocate ssl-cert lpadmin sambashare admin

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