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• pfsense 2.0 traffic priority - set full priority for single host

  - by Waxhead

  I have a network with several computers all on the same network and since I have very limited bandwidth I would like to prioritize traffic almost like a CPU scheduler prioritize processes. Example: Computer A: Used for webstuff: YouTube, downloads, news, emails etc. Computer B: Transferring files over HTTP Computer C: Transferring files over ftp, rsync whatever What I would like to do is to give A up to for example 90% of the available bandwidth IF A requires it. The leftovers (10%) is divided between B and C (5% each if both is busy) If A is not utilizing all bandwidth then of course B and C should share the full bandwidth (50% each as long as both are maxing out their bandwidth). All computers are on the same network (192.168.1.0 - 192.168.1-10 for example). Appreciate if anyone could shed some light on how I should set up my network to achieve this. To be honest I actually need a step by step guide on how I should set this up. Network setup: (ADSL modem configured in bridge mode (1500kbps/300kbps)) [ADSL modem (bridge)]<-[pfsense2.0]<-[switch]<-[Computer A,B,C...etc]

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• s3cmd run on command line not on cron

  - by Jonar

  Many have said that the problem is with environment but I still can't seem to solve this problem. BTW I am using Ubuntu 9.10 login as user, then sudo -s using this command: s3cmd put file s3://bucket worked! now here is the simple script intended for testing: #! /bin/bash env >/tmp/cronjob.log s3cmd put file s3://bucket issuing the command crontab -e * * * * * /opt/script 2>&1 | logger Then using tail to syslogs Dec 3 23:22:01 ubuntu CRON[10795]: (root) CMD (/opt/script 2&1 | logger) But by verifying it on s3Fox Organizer, the file is not uploaded. (I tried changing the #! /bin/sh (no effect), putting crons on /etc/crontab (no effect), setting HOME=/home/user (no effect) What are other options to try? Or other ways to debug this problem. Thanks

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• MapReduce job is hung after 1 of 5 reducers completed on single-node environment

  - by Marboni

  I have only one Data Node on my dev environment on EC2. I ran heavy MR job and in 6 hours noticed that 100% of mappers and 20% of reducers finished (1 of reducer shows 100% competition, other ones - 0%). Looks like job is hung between 2 reducer runs. I don't see any errors in log files. What it can be? P.S. Last logs of successfully finished reducer: 2012-11-09 11:29:21,576 INFO org.apache.hadoop.mapred.Task: Task:attempt_201211090523_0004_r_000000_0 is done. And is in the process of commiting 2012-11-09 11:29:22,692 INFO org.apache.hadoop.mapred.Task: Task attempt_201211090523_0004_r_000000_0 is allowed to commit now 2012-11-09 11:29:22,719 INFO org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter: Saved output of task 'attempt_201211090523_0004_r_000000_0' to /data/output/1352457275873/20121109-053433-common 2012-11-09 11:29:22,721 INFO org.apache.hadoop.mapred.Task: Task 'attempt_201211090523_0004_r_000000_0' done. 2012-11-09 11:29:22,725 INFO org.apache.hadoop.mapred.TaskLogsTruncater: Initializing logs' truncater with mapRetainSize=-1 and reduceRetainSize=-1

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• Pasting to Excel from Word - stop a Word new line being converted into a new cell

  - by Sean McRaghty

  So I have a table in MS Word which has two columns. In the second column the text is spread on multiple lines, ie I have pressed 'Enter' to achieve this. When I paste into Excel, it converts these separate lines into separate cells. What I want it to do is to keep the lines in the same cell, just on different lines, ie what would happen if I were to press Alt+Enter in a cell in excel. How would I go about this?

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• How to collect Security Event Logs for a single category via Powershell

  - by Darktux

  I am trying to write a script which collects security log from all of our domain controllers hourly and stores them remotely; i can collect the security logs , but is there a way to collect the security logs by category or event number from the DC? please do let me know if any additional questions. My Code: $Eventlogs = Get-WmiObject -Class Win32_NTEventLogFile -ComputerName $computer Foreach($log in $EventLogs) { if($Log.LogFileName -eq "Security") { $Now = [DateTime]::Now $FileName = "Security" +"_"+$Now.Month+$Now.Day+$Now.Year+"_"+$Now.Hour+$Now.Minute+$Now.Second $path = "\\{0}\c$\LogFolder\$folder\$FileName.evt" -f $Computer $ErrBackup = ($log.BackupEventLog($path)).ReturnValue if($clear) { if($ErrBackup -ne 0) { "Backup failed" "Backup Error was " + $ErrBackup } } } } Copy-EventLogsToArchive -path $path -Folder $Folder }

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• Run single php code using multiple domains

  - by Acharya

  Hi all, I have a php code/site at xyz.com. Now I want to run the same site using multiple domains means when somebody open domain1.com, domain2.com ,domain4.com, so on urls, it should run the code/side that is at xyz.com I know one way to do this. I can host all these domains to the server where xyz.com is hosted so all domains will point to same peace of code/site. n above solution i need to hosted the domains manually. Is there any other way to do this as I want to add domains dynamically? Thanks in advance!

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• Cannot resolve a single A Record from client machine

  - by Alex

  I set up a simple Bind server on my VPS and it is working properly. The problem occurs with my local windows machines, which are connected to internet through the home router. I created an A-record named 'dev' and it is invisible from my local network for some reason, though people from other locations can resolve dev.mydomain.com. Ironically, dev.mydomain.com cannot be resolved for myself only. If I add another A-record, say, 'gamma' then it becomes visible from my local windows machines instantly. So this is just for that particular 'dev' name. The only difference is that I had dev.mydomain.com server on another IP but that was a month ago; all nameservers have been changed since then. I tried to reboot my router and flushed dns cache on windows machines: no result. Thank you in advance.

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• Open Office plot graph of a single column

  - by drahcir

  I have a an spreadsheet of a questionnaire I conducted. Each column represents a multiple choice question and the values are the answers selected by each participant. Therefore each column has repeated values. Example : **What is your favourite website?** stackoverflow superuser superuser stackoverflow serverfault So I want a chart that compares the amount of times a value is repeated, preferably in percentage. Something like this :

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• MS SQL server: Single or multiple instances?

  - by Hugo Riley

  How costly (CPU or memory wise) is it to have multiple instances of SQL server 2005 instead of only one instance with prefixed databases? A company have three application providers. They each will install one application and they each require two or three databases. Should they all use the same instance or should every provider use it's own named instance? Is there any strong reason for one or other setup?

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• Single domain name potentially resolving to multiple servers

  - by Jace

  first time here at Server Fault, and I apologize in advance that this domain stuff is not really my strength. Any and all suggestions are much appreciated. I am completely lost and incredibly tired! I've inherited an incredibly convoluted system from my predecessor, and I'm trying to find a way to solve it - or I need to be told that it just isn't possible. I've got an old site on ServerA (some kind of Linux distribution), with the domain SomeDomain.com There is a new site sitting on ServerB (Ubuntu), with the intention of having SomeDomain.com to serve it in the future (it is replacing the old site) ServerA also has a web app that is currently in use by other departments within the company (accessible at SomeDomain.com/web-app/) The goal: To have SomeDomain.com and all extensions of this domain name (sub-domains, URL's etc.) serve the new site on ServerB. BUT, the URL SomeDomain.com/web-app/ must serve the Web App on ServerA. The Catch: The ServerA is a shared server with a hosting company with VERY limiting restrictions in place - I cannot adjust DNS settings (apart from Name servers - but cannot set A records or anything, I have full access to ServerB to do as I wish). Therefore the web-app MUST be served from SomeDomain.com/web-app/ and not from a sub-domain or anything. These limitations make migrating the web-app from Server A to Server B rather undesirable, AND this web-app will be replaced in the near future, so it isn't worth the effort right now. Therefore, ultimately I will want 1 domain name to resolve to Server B's IP address most of the time, but in the event that the URL is SomeDomain.com/web-app/, it should resolve to Server A's IP. Note: The domain names don't, technically, have to resolve to one IP or another - but ultimately the URL's must stay consistent Some things I have tried: I've looked into mod_rewrite and .htaccess to try and achieve this effect, but it doesn't look like it's going to work for me - but I may have done it wrong (On Server B, I just checked if the request URI was /web-app/ and tried to serve the /web-app/ folder on Server A) I do have the ability to modify the name servers on both servers I am not able to make a sub domain on Server A that points back to Server A (I assume because the hosting company's servers use the URL to determine what site the serve). I figured this could be good as I'd could set an A record on Server B to point to the web app on Server A - but alas, Server A requires SomeDomain.com. If there is any more information I can give, please let me know. I need a nudge in the right direction, ideas or a solution.

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• single web app multible webservers

  - by Ramakrishna

  hi guys, Hi have a prob of load balancing we developed a web app using nearly 1500/- users parallely so the number of users increased we are unable to serve the requests that much of faster, its takes around 10 to 20 sec to load a page if page having heavy weight it takes 1min also. we need to solve this situation and we have to serve each request with in 2 to 3 sec App develped in : asp.net hosted in : IIS 7.5 Machine configuration : Windows server 2008 8GB RAM 1MBPS band width

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• Restart single uWSGI application (when it's in emperor mode)

  - by Oli

  I'm running uWSGI in emperor mode to host a bunch of Django sites based on their individual configs. These are supposed to update when it detects a change in the config file and this largely works when I just touch uwsgi.ini the relevant file. But occasionally I'll mess something up in the Django site and the server won't load. Yeah, yeah, I should be testing better but that's not really the point. When this happens, uWSGI seems to mark the site as dead and stops trying to run it (seems to make sense). Even after I fix the underlying issue, no amount of touching will get that site's uWSGI process up and running. I have to reload the whole uWSGI server (knocking dozens of sites out at once for a few seconds). Is there a way to force uWSGI to just reload one of its sites?

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• Direct access to website's database with single click?

  - by Mick

  I have noticed that when selecting options (drop down menus, radio buttons etc) on some websites you see an ever more complex URL being created and then you can use that URL to access that website at a later date and go straight to the page with your desired options. Unfortunately on other websites the URL remains fixed and you appear to have no choice but to select the options all over again. I was wondering if there was some utility that would help automate this process.

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• Single space on secondary display?

  - by zoul

  Hello! Is it possible to only have one space on secondary display when using Spaces on Mac? I’d like to have three spaces on the primary display and only use the secondary one as a common “sideboard” that does not change when I switch Spaces on the primary display.

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• Switch between network configurations via command line in fedora 17

  - by Mike Fairhurst

  I have two different setups I use on my work laptop; one enables synergy over an ethernet ssh tunnel with my work computer on the local network, and the other opens an HTTP tunnel to my work computer from outside the network. When I have wifi enabled at work, my laptop seems to use it by preference. This makes synergy run incredibly slowly. At home I must use wifi. I have scripts that begin my ssh tunnels, add my ssh keys, and starts up other programs like synergy, and close themselves when I shut my laptop. However, every day I have to start out my routine by opening my gnome-control-center and turning on my ethernet. I have tried route add and ifup, none of it works, so I dove into gnome-control-center's source code and found that it enabled the connection by libnm's method nm_client_activate_connection with some libnm specific structs that I am having trouble tracking down. I'm not much of a c programmer, and I'm not familiar with either GTK or libnm. Does anybody know what fedora 17 does with ethernet connections to fully enable them? Or does anybody know what libnm does to fully enable an ethernet connection? Do I have to write a c script to run libnm for me to fully emulate whatever gnome-control-center is trying to do?

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• Launching multiple applications with a single command/script/shortcut

  - by Bill

  I realized a few days ago that every time I sit down at work, I do a few things after unlocking my computer. First, I open up Firefox, then I open up Chrome, then I log in to Digsby. I realized I could probably save repeating this daily by writing a small batch script to open up Firefox and Chrome , but I couldn't figure out how to make it work.. and since the whole effort is to save time I don't want to bash my head around in the windows command prompt to do it. I also tired this in powershell but ran in to a bunch of security nonsense. Is there a way to do this that I am missing? Bonus points if somebody has figured out how to manipulate Digsby via COM , scripting, or python =)

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• Eliminate single point of failure for webservers?

  - by George Bailey

  I know in DNS, that each of the DNS servers will be tried to see if they will respond I know in email that in the event of a failure it will go to the next one in the list or it will hold the mail for a period of time As far as I know,, in webservers,, the browser will get one of the webserver IP addresses and try it and if it fails it will give up. Is this correct? If so,, then the only way to direct traffic away from a failed IP address would be with the DNS servers.. and even that would not update immediately?

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• Wireless access through command line interface

  - by hfranco

  Is there a CLI command or program that will list available wireless access points? I'm running Ubuntu 9.04 on a laptop and sometimes I boot straight into the CLI instead of a GUI. I know iwconfig can configure a connection but will not list available AP's.

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• Powershell access a single value in a table

  - by falkaholic

  this should be a really easy one but i can't seem to find an easy way. For example, in powershell and am using a CSV file, which is then used to look up some configuration data based on an ID. Here is what I have now, it works, but there has got to be a better way. $configList = import-csv "C:\myconfig.csv" $id = "5001" $configList | where-object {$_.id -eq $id} | foreach-object{ $configData = $_.configData} If use format-table etc, I always get the column header, which I would then have to cut off. Again, this has got to be really easy and this isn't a show stopper. But there has to be a better way to get just the data out of a table without the column header.

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• How to allow a single domain name with iptables

  - by Claw

  I am looking for a way to make iptables only accept requests for my domain name and reject the others. Lately I misconfigured my apache proxy, it is now fixed, but I keep receiving a load of requests looking like that : xxxx.xx:80 142.54.184.226 - - [12/Sep/2012:15:25:14 +0200] "GET http://ad.bharatstudent.com/st?ad_type=iframe&ad_size=700x300&section=3011105&pub_url=${PUB_URL} HTTP/1.0" 200 4985 "http://www.gethealthbank.com/category/medicine/" "Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 4.0)" xxxx.xx:80 199.116.113.149 - - [12/Sep/2012:15:25:14 +0200] "GET http://mobile1.login.vip.ird.yahoo.com/config/pwtoken_get?login=heaven_12_&src=ntverifyint&passwd=7698ca276acaf6070487899ad2ee2cb9&challenge=wTBYIo2AEdMFr6LtdyQZPqYw9FS9&md5=1 HTTP/1.0" 200 425 "-" "MobileRunner-J2ME" which I would like to block. How can I manage this ?

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• Create a dependent drop down list in a single cell in Excel

  - by Larry Anderson

  I am trying to create a dependent drop down list for a High School. The User will select cell A1, Click on Hallway 3(for example), then the user will click on cell A1 again and then select the Room #, 325 (for example). The final result should be that cell A1 shows 325. I can create the first drop down list, but the second part is where I am having great trouble. I am using Excel 2010. Any help would be appreciated. Thanks

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• Replace single character in windows filenames

  - by Matt Rogish

  I have a Win2k3 server that has a whole bunch of filenames that need renamed. Basically, I just need all - (dashes) replaced with _ (underscores), no matter where they are in the string. Assume that there are no duplicates. I can do this on my mac with a little script but the files are too large and crazy to transfer to my mac, rename, then go back to the server. Would love to do this in a command shell and not have to download a renamer or any add'l software. Thanks!

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• Connect to MySQL trough command line without need root password

  - by ReynierPM

  I'm building a Bash script for some tasks. One of those tasks is create a MySQL DB from within the same bash script. What I'm doing right now is creating two vars: one for store user name and the other for store password. This is the relevant part of my script: MYSQL_USER=root MYSQL_PASS=mypass_goes_here touch /tmp/$PROY.sql && echo "CREATE DATABASE $DB_NAME;" > /tmp/script.sql mysql --user=$MYSQL_USER --password="$MYSQL_PASS" < /tmp/script.sql rm -rf /tmp/script.sql But always get a error saying access denied for user root with NO PASSWORD, what I'm doing wrong? I need to do the same for PostgreSQL, any help? Regards and thanks in advance

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• custom video icon for a single video file in windows 7 file explorer

  - by MrBrody

  recently I found a video on the net ( a .mp4 file), and when I had it on my computer with Windows7, I noticed its thumbnail was not the average windows 7 video thumbnail (which looks like a piece of video film with a random picture from the movie), but a custom thumbnail! Looking in the file properties did not help find the correct button to change the thumbnail...so I just wonder how he did it! Here is a picture: left: the custom thumbnail, right: the average thumbnail...

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• I can not start a .jar-file by double-clicking, only from command-line in Windows

  - by Sanoj

  I have a Java application in a .jar-file. I can start it by typing java -jar myapp.jar and the application starts, but if I double-click on the .jar-file, nothing happens. What can be wrong? How can I fix this? I use Windows Vista.

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