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• Any Recommendations for a Web Based Large File Transfer System?

  - by Glen Richards

  I'm looking for a server software product that: Allows my users to share large files with: The general public securely to 1 or more people (notification via email, optionally with a token that gives them x period of time to download) Allows anyone in the general public to share files with my users. Perhaps by invitation. Has to be user friendly enough to allow my users to use this with out having to bug me as the admin. It needs to be a system that we can install on our own server (we don't want shared data sitting on anyone else's server) A web based solution. Using some kind or secure comms channel would be good too, eg, ssh Files to share could be over 1 GB. I found the question below. WebDav does not sound user friendly enough: http://serverfault.com/questions/86878/recommendations-for-a-secure-and-simple-dropbox-system I've done a lot of searching, but I can't get the search terms right. There are too many services that provide this, but I want something we can install on our own server. A last resort would be to roll my own. Any ideas appreciated. Glen EDIT Sorry Tom and Jeff but Glen specifically says that he's looking for a 'product' so given that I specialise in this field thought that my expertise in this area may have been of use to him. I don't see how him writing services is going to be easy for him to maintain going forward (large IT admin overhead) or simple for his users and the general public to work with.

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• How can i make changes to this file Encoding?

  - by SuperUserMan

  I have these 3 files 21/08/2014 07:15 PM 122 Tw2AWK.csv 21/08/2014 07:15 PM 125 Tw2Notepad.csv 21/08/2014 07:15 PM 119 Tw2REPL.csv C:\myfilesfile Tw2AWK.csv TwREPL.csv Tw2Notepad.csv Tw2AWK.csv; UTF-8 Unicode text, with CRLF line terminators Tw2REPL.csv; UTF-8 Unicode text Tw2Notepad.csv; UTF-8 Unicode (with BOM) text, with CRLF line terminators HEX of these files is as follows C:\myfilesxxd -p Tw2REPL.csv 0a222344656c686947616e675261706520776173206120736d616c6c2069 6e636964656e7420746f2023536d616c6c5261706973744a6169746c6579 20646e61696e6469612e636f6d2f696e6469612f7265706f72742d69e280 a6207069632e747769747465722e636f6d2f6762565070776637744f22 C:\myfilesxxd -p Tw2AWK.csv 0d0a222344656c686947616e675261706520776173206120736d616c6c20 696e636964656e7420746f2023536d616c6c5261706973744a6169746c65 7920646e61696e6469612e636f6d2f696e6469612f7265706f72742d69e2 80a6207069632e747769747465722e636f6d2f6762565070776637744f22 0d0a C:\myfilesxxd -p Tw2Notepad.csv efbbbf0d0a222344656c686947616e675261706520776173206120736d61 6c6c20696e636964656e7420746f2023536d616c6c5261706973744a6169 746c657920646e61696e6469612e636f6d2f696e6469612f7265706f7274 2d69e280a6207069632e747769747465722e636f6d2f6762565070776637 744f220d0a I want Tw2REPL.csv to look like Tw2Notepad.csv How can I do it? NOTE: I have do this all via command line (batch) . I can use any 3rd party standalone exe's though. I am on Windows XP Please help, its very important for me

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• NoSQL Memcached API for MySQL: Latest Updates

  - by Mat Keep

  With data volumes exploding, it is vital to be able to ingest and query data at high speed. For this reason, MySQL has implemented NoSQL interfaces directly to the InnoDB and MySQL Cluster (NDB) storage engines, which bypass the SQL layer completely. Without SQL parsing and optimization, Key-Value data can be written directly to MySQL tables up to 9x faster, while maintaining ACID guarantees. In addition, users can continue to run complex queries with SQL across the same data set, providing real-time analytics to the business or anonymizing sensitive data before loading to big data platforms such as Hadoop, while still maintaining all of the advantages of their existing relational database infrastructure. This and more is discussed in the latest Guide to MySQL and NoSQL where you can learn more about using the APIs to scale new generations of web, cloud, mobile and social applications on the world's most widely deployed open source database The native Memcached API is part of the MySQL 5.6 Release Candidate, and is already available in the GA release of MySQL Cluster. By using the ubiquitous Memcached API for writing and reading data, developers can preserve their investments in Memcached infrastructure by re-using existing Memcached clients, while also eliminating the need for application changes. Speed, when combined with flexibility, is essential in the world of growing data volumes and variability. Complementing NoSQL access, support for on-line DDL (Data Definition Language) operations in MySQL 5.6 and MySQL Cluster enables DevOps teams to dynamically update their database schema to accommodate rapidly changing requirements, such as the need to capture additional data generated by their applications. These changes can be made without database downtime. Using the Memcached interface, developers do not need to define a schema at all when using MySQL Cluster. Lets look a little more closely at the Memcached implementations for both InnoDB and MySQL Cluster. Memcached Implementation for InnoDB The Memcached API for InnoDB is previewed as part of the MySQL 5.6 Release Candidate. As illustrated in the following figure, Memcached for InnoDB is implemented via a Memcached daemon plug-in to the mysqld process, with the Memcached protocol mapped to the native InnoDB API. Figure 1: Memcached API Implementation for InnoDB With the Memcached daemon running in the same process space, users get very low latency access to their data while also leveraging the scalability enhancements delivered with InnoDB and a simple deployment and management model. Multiple web / application servers can remotely access the Memcached / InnoDB server to get direct access to a shared data set. With simultaneous SQL access, users can maintain all the advanced functionality offered by InnoDB including support for Foreign Keys, XA transactions and complex JOIN operations. Benchmarks demonstrate that the NoSQL Memcached API for InnoDB delivers up to 9x higher performance than the SQL interface when inserting new key/value pairs, with a single low-end commodity server supporting nearly 70,000 Transactions per Second. Figure 2: Over 9x Faster INSERT Operations The delivered performance demonstrates MySQL with the native Memcached NoSQL interface is well suited for high-speed inserts with the added assurance of transactional guarantees. You can check out the latest Memcached / InnoDB developments and benchmarks here You can learn how to configure the Memcached API for InnoDB here Memcached Implementation for MySQL Cluster Memcached API support for MySQL Cluster was introduced with General Availability (GA) of the 7.2 release, and joins an extensive range of NoSQL interfaces that are already available for MySQL Cluster Like Memcached, MySQL Cluster provides a distributed hash table with in-memory performance. MySQL Cluster extends Memcached functionality by adding support for write-intensive workloads, a full relational model with ACID compliance (including persistence), rich query support, auto-sharding and 99.999% availability, with extensive management and monitoring capabilities. All writes are committed directly to MySQL Cluster, eliminating cache invalidation and the overhead of data consistency checking to ensure complete synchronization between the database and cache. Figure 3: Memcached API Implementation with MySQL Cluster Implementation is simple: 1. The application sends reads and writes to the Memcached process (using the standard Memcached API). 2. This invokes the Memcached Driver for NDB (which is part of the same process) 3. The NDB API is called, providing for very quick access to the data held in MySQL Cluster’s data nodes. The solution has been designed to be very flexible, allowing the application architect to find a configuration that best fits their needs. It is possible to co-locate the Memcached API in either the data nodes or application nodes, or alternatively within a dedicated Memcached layer. The benefit of this flexible approach to deployment is that users can configure behavior on a per-key-prefix basis (through tables in MySQL Cluster) and the application doesn’t have to care – it just uses the Memcached API and relies on the software to store data in the right place(s) and to keep everything synchronized. Using Memcached for Schema-less Data By default, every Key / Value is written to the same table with each Key / Value pair stored in a single row – thus allowing schema-less data storage. Alternatively, the developer can define a key-prefix so that each value is linked to a pre-defined column in a specific table. Of course if the application needs to access the same data through SQL then developers can map key prefixes to existing table columns, enabling Memcached access to schema-structured data already stored in MySQL Cluster. Conclusion Download the Guide to MySQL and NoSQL to learn more about NoSQL APIs and how you can use them to scale new generations of web, cloud, mobile and social applications on the world's most widely deployed open source database See how to build a social app with MySQL Cluster and the Memcached API from our on-demand webinar or take a look at the docs Don't hesitate to use the comments section below for any questions you may have 

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• Connecting to a remote server through OpenVPN when local network subnet conflicts with remote network's subnet

  - by John Russell

  After connecting to a remote location via OpenVPN, I am trying to access a server on a network that exists on a subnet such as 10.0.1.0/24. However, the network I am trying to access this remote server from is on the same subnet: 10.0.1.0/24. I am unable to connect to my remote server via typing in its IP because of this conflict. I am unable to even access the public internet while connected to the VPN. Does anyone know how to mitigate this issue? I have access to the OpenVPN Access Server.

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• T-4 Templates for ASP.NET Web Form Databound Control Friendly Logical Layers

  - by Mohammad Ashraful Alam

  I just released an open source project at codeplex, which includes a set of T-4 templates that will enable you to build ASP.NET Web Form Data Bound controls friendly testable logical layer based on Entity Framework 4.0 with just few clicks! In this open source project you will get Entity Framework 4.0 based T-4 templates for following types of logical layers: Data Access Layer: Entity Framework 4.0 provides excellent ORM data access layer. It also includes support for T-4 templates, as built-in code generation strategy in Visual Studio 2010, where we can customize default structure of data access layer based on Entity Framework. default structure of data access layer has been enhanced to get support for mock testing in Entity Framework 4.0 object model. Business Logic Layer: ASP.NET web form based data bound control friendly business logic layer, which will enable you few clicks to build data bound web applications on top of ASP.NET Web Form and Entity Framework 4.0 quickly with great support of mock testing. Download it to make your web development productive. Enjoy!

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• Monitoring slow nginx/unicorn requests

  - by injekt

  I'm currently using Nginx to proxy requests to a Unicorn server running a Sinatra application. The application only has a couple of routes defined, those of which make fairly simple (non costly) queries to a PostgreSQL database, and finally return data in JSON format, these services are being monitored by God. I'm currently experiencing extremely slow response times from this application server. I have another two Unicorn servers being proxied via Nginx, and these are responding perfectly fine, so I think I can rule out any wrong doing from Nginx. Here is my God configuration: # God configuration APP_ROOT = File.expand_path '../', File.dirname(__FILE__) God.watch do |w| w.name = "app_name" w.interval = 30.seconds # default w.start = "cd #{APP_ROOT} && unicorn -c #{APP_ROOT}/config/unicorn.rb -D" # -QUIT = graceful shutdown, waits for workers to finish their current request before finishing w.stop = "kill -QUIT `cat #{APP_ROOT}/tmp/unicorn.pid`" w.restart = "kill -USR2 `cat #{APP_ROOT}/tmp/unicorn.pid`" w.start_grace = 10.seconds w.restart_grace = 10.seconds w.pid_file = "#{APP_ROOT}/tmp/unicorn.pid" # User under which to run the process w.uid = 'web' w.gid = 'web' # Cleanup the pid file (this is needed for processes running as a daemon) w.behavior(:clean_pid_file) # Conditions under which to start the process w.start_if do |start| start.condition(:process_running) do |c| c.interval = 5.seconds c.running = false end end # Conditions under which to restart the process w.restart_if do |restart| restart.condition(:memory_usage) do |c| c.above = 150.megabytes c.times = [3, 5] # 3 out of 5 intervals end restart.condition(:cpu_usage) do |c| c.above = 50.percent c.times = 5 end end w.lifecycle do |on| on.condition(:flapping) do |c| c.to_state = [:start, :restart] c.times = 5 c.within = 5.minute c.transition = :unmonitored c.retry_in = 10.minutes c.retry_times = 5 c.retry_within = 2.hours end end end Here is my Unicorn configuration: # Unicorn configuration file APP_ROOT = File.expand_path '../', File.dirname(__FILE__) worker_processes 8 preload_app true pid "#{APP_ROOT}/tmp/unicorn.pid" listen 8001 stderr_path "#{APP_ROOT}/log/unicorn.stderr.log" stdout_path "#{APP_ROOT}/log/unicorn.stdout.log" before_fork do |server, worker| old_pid = "#{APP_ROOT}/tmp/unicorn.pid.oldbin" if File.exists?(old_pid) && server.pid != old_pid begin Process.kill("QUIT", File.read(old_pid).to_i) rescue Errno::ENOENT, Errno::ESRCH # someone else did our job for us end end end I have checked God status logs but it appears CPU and Memory Usage are never out of bounds. I also have something to kill high memory workers, which can be found on the GitHub blog page here. When running a tail -f on the Unicorn logs I see some requests, but they're far and few between, when I was at around 60-100 a second before this trouble seemed to have arrived. This log also shows workers being reaped and started as expected. So my question is, how would I go about debugging this? What are the next steps I should be taking? I'm extremely baffled that the server will sometimes respond quickly, but at others time it's very slow, for long periods of time (which may or may not be peak traffic times). Any advice is much appreciated.

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• Did you miss the IIS7 FastCGI Update ?

  - by Latest Microsoft Blogs

  In case you did, there are some interesting improvements like…. Monitor changes to a file . The module can be configured to listen for file change notifications on a specific file and when that file changes, the module will recycle FastCGI processes for Read More......(read more)

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• Fixing a SkyDrive Sync Disaster

  - by Rick Strahl

  For a few months I've been using SkyDrive to handle some basic synching tasks for a number of folders of mine. Specifically I've been dumping a few of my development folders into sky drive so I have a live running backup. It had been working just fine until about a week ago when something went awry. Badly! The idea is that the SkyDrive should sync files, but somewhere in its sync relationship it appears that SkyDrive got confused and assumed it needed to sync back older files to my local machine from the SkyDrive server. So rather than syncing my newer files to the server SkyDrive was pushing older files back to me. Because SkyDrive is so slow actually updating data it's not unusual for SkyDrive to be far behind in syncing and apparently some files were out of date by several months. Of course this is insidious because I didn't notice it for quite some time. I'd been happily working away on my files when a few days ago I noted a bunch of files with -RasXps (my machine name) popping up in various folders. At first I thought my Git repository was giving me a fit, but eventually realized that SkyDrive was actually pushing old files into my monitored folders. To be fair SkyDrive did make backups of the existing files, but by the time I caught it there were literally a few thousand files scattered on my machine that were now updated with old files from online. Here's what some of this looks like: If you look at the directory list you see a bunch of files with a -RasXps postfix appended to them. Those are the files that SkyDrive replaced and backed up on my machine. As you can see the backed up files are actually newer than the ones it pulled from the online SkyDrive. Unless I modified the files after they were updated they all were older than the existing local files. Not exactly how I imagined my synching would work. At first I started cleaning up this mess manually. In most cases the obvious solution was to simply delete the original file and replace with the -RasXps file, but not in all files. Some scrutiny was required and besides being a pain in the ass to rename files, quite frequently I had to dig out Beyond Compare to compare a few files where it wasn't quite clear what's wrong. I quickly realized that doing this by hand would be too hard for the large number of files that got hosed. Hacking together a small .NET Utility So, I figured the easiest way to tackle this is to write a small utility app that shows me all the mangled files that have backups, allows me to compare them and then quickly select and update them, removing the -RasXps file after choosing one of the two files. What I ended up with was a quick and dirty WinForms app that allows me to pick a root folder, and then shows all the -MachineName files: I start by picking a base folder and a template to search for - typically the -MachineName. Clicking Go brings up a list of all files in that folder and its subdirectories.  The list also displays the dates for the saved (-MachineName) file and the current file on disk, along with highlighting for the newer of the two. I can right click on any file and get a context menu pop up to open the folder in Explorer, or open Beyond Compare and view the two files to compare differences which I found very helpful for a number of files where I had modified the files after SkyDrive had updated to an old one. Typically these would be the green files (of which there were thankfully few). To 'fix' files I can select any number of files in the list, then use one of the three buttons on the right to apply an operation. I can use the Saved files - that is the backup file that SkyDrive created with the -MachineName extension (-RasXps above). Or I can use the current file, which is the file with the right name on disk right now and delete the -MachineName file. Or on some occasions I can just opt to delete both of them. For some files like binaries it's often easier to just delete and them be rebuild than choosing. For the most part the process involves accepting the pink files, and checking the few green files and see if any modifications were made since the file was updated incorrectly by SkyDrive. For me luckily those are few in number. Anyways, I thought I share this utility in case anybody else runs into this issue. I've included the VS2012 solution and all the source code so you can see how it works and you can tweak it as needed. The .NET 4.5 binaries are also included if you can't compile. Be warned though!  This rough code is provided as is and makes no guarantees or claims about file safety. All three of the action buttons on the form will delete data. It's a very rough utility and there are no safeguards that ask nicely before deleting files. I highly recommend you make a backup before you have at it. This tools is very narrow in focus, but it might also work with other sync issues from other vendors. I seem to remember that I had similar issues with SugarSync at some point and it too created the -MachineName style files on sync conflicts. Hope this helps somebody out so you can avoid wasting the better part of a full work day on this… Resources Download the Source Code and Binaries for SkyDrive Rescue© Rick Strahl, West Wind Technologies, 2005-2013Posted in Windows  .NET   Tweet !function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0];if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src="//platform.twitter.com/widgets.js";fjs.parentNode.insertBefore(js,fjs);}}(document,"script","twitter-wjs"); (function() { var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true; po.src = 'https://apis.google.com/js/plusone.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s); })();

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• Do I have to do anything for file ACLs to work both before and after I reformat a computer?

  - by Zian Choy

  Let's say that I have a computer running Windows Vista with 2 users: Alice and Bob. Alice is the admin and Bob is a normal user. They each have files in their respective My Documents folders and Bob is not allowed to view Alice's files and Alice has to jump through a UAC elevation to view Bob's. If Alice copies all the files on the computer to an external NTFS-formatted hard drive with the following 2 commands: robocopy "E:\Bob's Files" "C:\Users\Bob\My Documents" /MIR robocopy "E:\Alice's Files" "C:\Users\Alice\My Documents" /MIR And then reformats the hard drive, installs a fresh copy of Windows, and creates 2 users named Alice and Bob on the computer, then will everything in the first paragraph be true after Alice copies the files back onto the internal hard drive? Assume that when the files are copied back over, she logs in as Bob and then copies Bob's files and likewise with her own files. Possibly relevant: Alice and Bob also have passwords on their user accounts and they create new passwords after the computer is reformatted. The main post has been tweaked slightly to make the question clearer. Answers that predate April 2011 are referring to an earlier version of this post.

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• How can I automatically restart Apache and Varnish if can't fetch a file?

  - by Tyler

  I need to restart Apache and Varnish and email some logs when the script can't fetch robots.txt but I am getting an error ./healthcheck: 43 [[: not found My server is Ubuntu 12.04 64-bit #!/bin/sh # Check if can fetch robots.txt if not then restart Apache and Varnish # Send last few lines of logs with date via email PATH=/bin:/usr/bin THEDIR=/tmp/web-server-health [email protected] mkdir -p $THEDIR if ( wget --timeout=30 -q -P $THEDIR http://website.com/robots.txt ) then # we are up touch ~/.apache-was-up else # down! but if it was down already, don't keep spamming if [[ -f ~/.apache-was-up ]] then # write a nice e-mail echo -n "Web server down at " > $THEDIR/mail date >> $THEDIR/mail echo >> $THEDIR/mail echo "Apache Log:" >> $THEDIR/mail tail -n 30 /var/log/apache2/error.log >> $THEDIR/mail echo >> $THEDIR/mail echo "AUTH Log:" >> $THEDIR/mail tail -n 30 /var/log/auth.log >> $THEDIR/mail echo >> $THEDIR/mail # kick apache echo "Now kicking apache..." >> $THEDIR/mail /etc/init.d/varnish stop >> $THEDIR/mail 2>&1 killall -9 varnishd >> $THEDIR/mail 2>&1 /etc/init.d/varnish start >> $THEDIR/mail 2>&1 /etc/init.d/apache2 stop >> $THEDIR/mail 2>&1 killall -9 apache2 >> $THEDIR/mail 2>&1 /etc/init.d/apache2 start >> $THEDIR/mail 2>&1 # prepare the mail echo >> $THEDIR/mail echo "Good luck troubleshooting!" >> $THEDIR/mail # send the mail sendemail -o message-content-type=html -f [email protected] -t $EMAIL -u ALARM -m < $THEDIR/mail rm ~/.apache-was-up fi fi rm -rf $THEDIR

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• Returning "200 OK" in Apache on HTTP OPTIONS requests

  - by i.

  I'm attempting to implement cross-domain HTTP access control without touching any code. I've got my Apache(2) server returning the correct Access Control headers with this block: Header set Access-Control-Allow-Origin "*" Header set Access-Control-Allow-Methods "POST, GET, OPTIONS" I now need to prevent Apache from executing my code when the browser sends a HTTP OPTIONS request (it's stored in the REQUEST_METHOD environment variable), returning 200 OK. How can I configure Apache to respond "200 OK" when the request method is OPTIONS? I've tried this mod_rewrite block, but the Access Control headers are lost. RewriteEngine On RewriteCond %{REQUEST_METHOD} OPTIONS RewriteRule ^(.*)$ $1 [R=200,L]

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• Oracle Linux and Oracle VM pricing guide

  - by wcoekaer

  A few days ago someone showed me a pricing guide from a Linux vendor and I was a bit surprised at the complexity of it. Especially when you look at larger servers (4 or 8 sockets) and when adding virtual machine use into the mix. I think we have a very compelling and simple pricing model for both Oracle Linux and Oracle VM. Let me see if I can explain it in 1 page, not 10 pages. This pricing information is publicly available on the Oracle store, I am using the current public list prices. Also keep in mind that this is for customers using non-oracle x86 servers. When a customer purchases an Oracle x86 server, the annual systems support includes full use (all you can eat) of Oracle Linux, Oracle VM and Oracle Solaris (no matter how many VMs you run on that server, in case you deploy guests on a hypervisor). This support level is the equivalent of premier support in the list below. Let's start with Oracle VM (x86) : Oracle VM support subscriptions are per physical server on which you deploy the Oracle VM Server product. (1) Oracle VM Premier Limited - 1- or 2 socket server : $599 per server per year (2) Oracle VM Premier - more than 2 socket server (4, or 8 or whatever more) : $1199 per server per year The above includes the use of Oracle VM Manager and Oracle Enterprise Manager Cloud Control's Virtualization management pack (including self service cloud portal, etc..) 24x7 support, access to bugfixes, updates and new releases. It also includes all options, live migrate, dynamic resource scheduling, high availability, dynamic power management, etc If you want to play with the product, or even use the product without access to support services, the product is freely downloadable from edelivery. Next, Oracle Linux : Oracle Linux support subscriptions are per physical server. If you plan to run Oracle Linux as a guest on Oracle VM, VMWare or Hyper-v, you only have to pay for a single subscription per system, we do not charge per guest or per number of guests. In other words, you can run any number of Oracle Linux guests per physical server and count it as just a single subscription. (1) Oracle Linux Network Support - any number of sockets per server : $119 per server per year Network support does not offer support services. It provides access to the Unbreakable Linux Network and also offers full indemnification for Oracle Linux. (2) Oracle Linux Basic Limited Support - 1- or 2 socket servers : $499 per server per year This subscription provides 24x7 support services, access to the Unbreakable Linux Network and the Oracle Support portal, indemnification, use of Oracle Clusterware for Linux HA and use of Oracle Enterprise Manager Cloud control for Linux OS management. It includes ocfs2 as a clustered filesystem. (3) Oracle Linux Basic Support - more than 2 socket server (4, or 8 or more) : $1199 per server per year This subscription provides 24x7 support services, access to the Unbreakable Linux Network and the Oracle Support portal, indemnification, use of Oracle Clusterware for Linux HA and use of Oracle Enterprise Manager Cloud control for Linux OS management. It includes ocfs2 as a clustered filesystem (4) Oracle Linux Premier Limited Support - 1- or 2 socket servers : $1399 per server per year This subscription provides 24x7 support services, access to the Unbreakable Linux Network and the Oracle Support portal, indemnification, use of Oracle Clusterware for Linux HA and use of Oracle Enterprise Manager Cloud control for Linux OS management, XFS filesystem support. It also offers Oracle Lifetime support, backporting of patches for critical customers in previous versions of package and ksplice zero-downtime updates. (5) Oracle Linux Premier Support - more than 2 socket servers : $2299 per server per year This subscription provides 24x7 support services, access to the Unbreakable Linux Network and the Oracle Support portal, indemnification, use of Oracle Clusterware for Linux HA and use of Oracle Enterprise Manager Cloud control for Linux OS management, XFS filesystem support. It also offers Oracle Lifetime support, backporting of patches for critical customers in previous versions of package and ksplice zero-downtime updates. (6) Freely available Oracle Linux - any number of sockets You can freely download Oracle Linux, install it on any number of servers and use it for any reason, without support, without right to use of these extra features like Oracle Clusterware or ksplice, without indemnification. However, you do have full access to all errata as well. Need support? then use options (1)..(5) So that's it. Count number of 2 socket boxes, more than 2 socket boxes, decide on basic or premier support level and you are done. You don't have to worry about different levels based on how many virtual instance you deploy or want to deploy. A very simple menu of choices. We offer, inclusive, Linux OS clusterware, Linux OS Management, provisioning and monitoring, cluster filesystem (ocfs), high performance filesystem (xfs), dtrace, ksplice, ofed (infiniband stack for high performance networking). No separate add-on menus. NOTE : socket/cpu can have any number of cores. So whether you have a 4,6,8,10 or 12 core CPU doesn't matter, we count the number of physical CPUs.

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• Awk command to print all the lines except the last three lines

  - by Avinash Raj

  I want to print all the lines except the last three lines from the input through awk only. Please note that my file contains n number of lines. For example, file.txt contains, foo bar foobar barfoo last line I want the output to be, foo bar foobar I know it could be possible through the combination of tac and sed or tac and awk $ tac file | sed '1,3d' | tac foo bar foobar $ tac file | awk 'NR==1{next}NR==2{next}NR==3{next}1' | tac foo bar foobar But i want the output through awk only.

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• How do you install Firefox plugins from a file?

  - by Ethan

  I would like to install this SQLite Manager plug-in for Firefox on Mac OS X. However, the page advertising the plug-in does not offer the customary "get addon" link (or whatever it's called). There is only the possibility of downloading files. Such as: SQLiteManager_0.5.0b5.xpi How do you use that to install the plug-in?

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• Control Sysinternals Suite & NirSoft Utilities with a Single Interface

  - by Asian Angel

  Sysinternals and NirSoft both provide helpful utilities for your Windows system but may not be very convenient to access. Using the Windows System Control Center you can easily access everything through a single UI front end. Setup The first thing to do is set up three new folders in Program Files (or Program Files (x86) if you are using a 64bit system) with the following names (the first two need to exactly match what is shown here): Sysinternals Suite NirSoft Utilities (create this folder only if you have any of these apps downloaded) Windows System Control Center (or WSCC depending on your preferences) Unzip the contents of the Sysinternals Suite into its’ folder. Then unzip any individual NirSoft Utilities programs that you have downloaded into the NirSoft folder. All that is left to do is to unzip the WSCC software into its’ folder and create a shortcut. WSCC in Action When you start WSCC up for the first time you will see the following message with a brief explanation about the software. Next the options window will appear providing you an opportunity to look around and make any desired changes. WSCC can access utilities for both suites using a live connection if needed (utilities accessed live are not downloaded). Note: This occurs on the first run only. This is the main WSCC window…you can choose the utility that you want to use by sorting through an all items list or based on category. Note: WSCC may occasionally experience a problem downloading a particular utility if using the live service. We conducted a quick test by accessing two Sysinternals apps. First PsInfo… Followed by DiskView. Both opened quickly and were ready to go. There were no NirSoft Utilities installed on our test system in order to provide a live access example. Within moments WSCC accessed the CurrProcess utility and had it running on our system. Our recommendation is to download your favorite utilities from both suites (in order to always have easy access to them). Conclusion WSCC provides an easy way to access all of the apps in the Sysinternals Suite and NirSoft Utilities in one place. Note: A PortableApps version is also available. Links Download Windows System Control Center (WSCC) Download Windows Sysinternals Suite Download individual NirSoft Utilities programs Similar Articles Productive Geek Tips How To Get Detailed Information About Your PCAccess and Launch Windows Utilities the Easy WayWhat is svchost.exe And Why Is It Running?How to Clean Up Your Messy Windows Context MenuRemove NVIDIA Control Panel from Desktop Right-Click Menu TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips CloudBerry Online Backup 1.5 for Windows Home Server Snagit 10 VMware Workstation 7 Acronis Online Backup Ultimate Boot CD can help when disaster strikes Windows Firewall with Advanced Security – How To Guides Sculptris 1.0, 3D Drawing app AceStock, a Tiny Desktop Quote Monitor Gmail Button Addon (Firefox) Hyperwords addon (Firefox)

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• Music before bells and whistles

  - by Tony Davis

  Why is it that Windows has so much difficulty in finding content on its file system? This is not an insurmountable technical problem; on my laptop, I have a database within which I can instantly find text or names within millions of records, within 300 milliseconds. I have a copy of Google Desktop that can find phrases within emails or documents, almost as quickly. It is an important, though mundane, part of an operating system to be able to find files. The first thing I notice within Windows is that the facility to find files or text within files is called 'search' rather than 'find'. Hmm. This doesn’t bode well. What’s this? It does a brute-force search for file names? Here we are in an age when we can breed mice that glow in the dark, and manufacture computers that fit in our shirt pockets, and we find an operating system that is still entirely innocent of managing and indexing content in hierarchical data. I can actually read the files of my PC into a database, mimic the directory/folder hierarchies and then find files in a flash; but when I do the same with Windows Vista, we are suddenly back in a 1960s time warp. Finding files based on their name is bad enough, but finding files based on the content that they contain is more or less asking for an opportunity to wait 20 minutes in order to see a "file not found" message. Sadly, with Windows 7, Microsoft seems to have fallen into the familiar trap of adding bells and whistles before finishing the song. It's certainly true that Microsoft has added new features and a certain polish to Windows Search 4.0, the latest incarnation. It works more like a web search and offers a new search syntax, called Advanced Query Syntax, which allows you to search on file author, file size, date ranges (e.g. date:=7/4/09still does not work reliably. I've experienced first-hand its stubborn refusal, despite a full index, to acknowledge the existence of a file I know exists, based on a search for a specific term within that file that I know is in there somewhere; a file that Google Desktop search, or old wingrep, finds in seconds. When users hark back to the halcyon days of Windows XP search, you know something is seriously amiss. Shouldn't applications get the functionality right before applying animated menus and Teletubby graphics, or is advancing age making me grumpy? I’d be pleased to hear your views, as always. Cheers, Tony.

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• Difference between Website and Web Application in ASP.NET

  - by SAMIR BHOGAYTA

  Web site in Visual Studio 2005: A web site is just a group of all files in a folder and sub folders. There is no project file. All files under the specific folder - including your word documents, text files, images etc are part of the web site. You have to deploy all files including source files (unless you pre compile them) to the server. Files are compiled dynamically during run time. To create a "web site", you need to use the menu File New Website You will have the option to choose either one of the following location types: # File System - Allows you to choose a folder to put all the files. # Http - Allows you to choose a virtual directory to put the files. # FTP - Allows you to choose an ftp location. In any of the above cases, no project file is created automatically. Visual Studio considers all files under the folder are part of the web site. There will be no single assembly created and you will nto see a "Bin" folder. The benefits of this model is, you do not need a project file or virtual directory to open a project. It is very handy when you share or download code from the internet. You just need to copy the downloaded code into a folder and you are ready to go! Web Application Project in Visual Studio 2005: Microsoft introduced the "web site" concept where all files under a web site are part of the site, hoping that the development community is going to love that. In fact, this is very usefull to share code. However, they did not consider millions of existing web applications where people are comfortable with the "project" based application. Also, there were lot of web applications where several un wanted files were kept under the web site folder. So, the new model did not work well for them. When people started screaming, Microsoft came up with the answer. On April 7, 2006, they announced "Visual Studio 2005 Web Application Projects" as an Add-On to Visual Studio 2005. This Add-On will allow you to create and use web applications just like the way it used to be in Visual Studio 2003. The Visual Studio 2005 Web Application Project model uses the same project, build and compilation method as the Visual Studio .NET 2003 web project model. All code files within the project are compiled into a single assembly that is built and copied in the Bin directory. All files contained within the project are defined within a project file (as well as the assembly references and other project meta-data settings). Files under the web's file-system root that are not defined in the project file are not considered part of the web project.

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• UBUNTU 12.04 Networking

  - by Fr. Lawrence winslow

  I have installed UBUNTU 12.04 on my Athlon 64-bit Desktop (2GB Memory) in a dual-boot with Win XP. The machine is hardwired to my D-Link N router which uses a DSL Modem to access the Internet. My Home Network was established in the router via the XP machine. When I boot UBUNTU I am able to access the Internet via this set-up but I can neither access the home network nor see the three other laptop computers (wireless access) on the network. These others are running Win Vista, Win 7, and UBUNTU 10.04 (this latter accesses the home network normally). All are visible and accessible when XP is running. I would appreciate thoughts as I am seriously thinking about changing all the computers to UBUNTU but do need to be able to operate the network.

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• A list of pros and cons to giving developers “Local Admin” privileges to their machines? [closed]

  - by Boden

  Possible Duplicate: Is local “User” rights enough or do developers need Local Administrator or Power User while coding? I currently work for a large utilities company which currently does not grant “Local Admin” access to developers. This is causing a lot of grief as anything that requires elevated privileges needs to be done by the Desktop Support/Server Teams. In some cases this can take several days and requires our developers to have to show why they need this access. I personally think that all developers should have local administration rights and are currently fighting with management to achieve this but I would like to know what other people think about this. To achieve this I would like to hear what people believe are the pros and cons of letting developers have local admin access to their machines. Here are some I have come up with: Pros Loss time is keep low as developers can resolve issues that would normally require Local Admin Evaluation of tools and software are possible to improve productivity Desktop support time not wasted installing services and software on developers PC Cons Developers install software on local PC that could be malicious to others or inappropriate in a business environment Desktop Support required to support a PC that is not the norm Development done with admin access that then fails when promoted to another environment that does not have the same access level

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• How to open a C program file in browser window?

  - by eSKay

  I am using Google Chrome, and I want to open .c and .cpp files as text in the browser itself. Is there any way to do that? thanks!

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• Rights Expiry Options in IRM 11g

  - by martin.abrahams

  Among the many enhancements in IRM 11g, we have introduced a couple of new rights expiry options that may be applied to any role. These options were supported in previous versions, but fell into the "advanced configuration" category. In 11g, the options can be applied simply by selecting a check-box in the properties of a role, as shown by the rather extreme example below, where the role allows access for just two minutes after they are sealed. The new options are: To define a role that expires automatically some period after it is assigned To define a role that evaluates expiry relative to the time that each document is sealed These options supplement the familiar options to allow open-ended access (limited by offline access and the ever-present option to revoke rights at any time) and the option to define time windows with specific start dates and end dates. The value of these options is easiest to illustrate with some publishing examples: You might define a role with a one year expiry to be assigned to users who purchase a one year subscription. For each individual user, the year would be calculated from the time that the role was assigned to them. You might define a role that allows documents to be accessed only for 24 hours from the time that they are published - perhaps as a preview mechanism designed to tempt users to sign up for a full subscription. Upon payment of a full fee, users can simply be reassigned a role that gives them greater access to exactly the same documents. In a corporate environment, you might use such roles for fixed term contractors or for workflows that involve information with a short lifespan, or perhaps as part of a compliance process that requires rights to be formally re-approved at intervals. Being role-based, the time constraints apply to any number of documents - including documents that have not yet been created. For example, a user with a one year subscription would have access to all documents published in the relevant classification during the year without any further configuration. Crucially, unlike other solutions, it is not the documents that expire, but the rights of particular users. Whereas some solutions make documents completely inaccessible for all users after expiry, Oracle IRM can allow some users to continue using documents while other users lose access. Equally crucially, a user whose rights have expired can always be granted fresh rights at any time - for example, because they renew their subscription or because a manager confirms that they still need the rights as part of a corporate compliance process. By applying expiry to rights rather than to documents, Oracle IRM avoids the risk of locking an organization out of its own information.

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• Nginx with Passenger setup problems

  - by Kreeki

  I'm trying to setup nginx webserver with Passenger support for Ruby on Rails application on Ubuntu 10.04 (on sub URI). All went fine until I tried to access the server/application from the browser. My instalation of nginx is in location /opt/nginx # my nginx.conf server { listen 80; server_name www.mydomain.com; root /websites/site/public; passenger_enabled on; passenger_base_uri /site; location / { # added by default, I don't know if its supposed to be here or not root html; index index.html index.htm; } Then I started the server. But when I put www.mydomain.com/site in browser I get 404 Not Found error. Error.log shows this: 2011/03/04 10:07:07 [error] 21387#0: *2 open() "/opt/nginx/html/favicon.ico" failed (2: No such file or directory), client: 90.182.7.150, server: www.mydomain.com, request: "GET /favicon.ico HTTP/1.1", host: "80.79.23.71", referrer: "http://80.79.23.71/" 2011/03/04 10:07:07 [error] 21387#0: *2 open() "/opt/nginx/html/404.html" failed (2: No such file or directory), client: 90.182.7.150, server: www.mydomain.com, request: "GET /favicon.ico HTTP/1.1", host: "80.79.23.71", referrer: "http://80.79.23.71/" 2011/03/04 10:07:11 [error] 21387#0: *4 open() "/opt/nginx/html/favicon.ico" failed (2: No such file or directory), client: 90.182.7.150, server: www.mydomain.com, request: "GET /favicon.ico HTTP/1.1", host: "80.79.23.71:80", referrer: "http://80.79.23.71:80/" 2011/03/04 10:07:11 [error] 21387#0: *4 open() "/opt/nginx/html/404.html" failed (2: No such file or directory), client: 90.182.7.150, server: www.mydomain.com, request: "GET /favicon.ico HTTP/1.1", host: "80.79.23.71:80", referrer: "http://80.79.23.71:80/" 2011/03/04 10:07:13 [error] 21387#0: *5 open() "/opt/nginx/html/site" failed (2: No such file or directory), client: 90.182.7.150, server: www.mydomain.com, request: "GET /site HTTP/1.1", host: "80.79.23.71:80" 2011/03/04 10:07:13 [error] 21387#0: *5 open() "/opt/nginx/html/404.html" failed (2: No such file or directory), client: 90.182.7.150, server: www.mydomain.com, request: "GET /site HTTP/1.1", host: "80.79.23.71:80" 2011/03/04 10:07:15 [error] 21387#0: *6 open() "/opt/nginx/html/site" failed (2: No such file or directory), client: 90.182.7.150, server: www.mydomain.com, request: "GET /site HTTP/1.1", host: "80.79.23.71:80" 2011/03/04 10:07:15 [error] 21387#0: *6 open() "/opt/nginx/html/404.html" failed (2: No such file or directory), client: 90.182.7.150, server: www.mydomain.com, request: "GET /site HTTP/1.1", host: "80.79.23.71:80" 2011/03/04 10:07:19 [error] 21387#0: *7 open() "/opt/nginx/html/site" failed (2: No such file or directory), client: 90.182.7.150, server: www.mydomain.com, request: "GET /site HTTP/1.1", host: "80.79.23.71:80" 2011/03/04 10:07:19 [error] 21387#0: *7 open() "/opt/nginx/html/404.html" failed (2: No such file or directory), client: 90.182.7.150, server: www.mydomain.com, request: "GET /site HTTP/1.1", host: "80.79.23.71:80" Why does nginx look for site in /opt/nginx/html/site as log shows when there's another path set in nginx.conf? Any idea whats wrong with my setup?

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• WIF

  - by kaleidoscope

  Windows Identity Foundation (WIF) enables .NET developers to externalize identity logic from their application, improving developer productivity, enhancing application security, and enabling interoperability. It is a framework for implementing claims-based identity in your applications. With WIF one can create more secure applications by reducing custom implementations and using a single simplified identity model based on claims. Windows Identity Foundation is part of Microsoft's identity and access management solution built on Active Directory that also includes: · Active Directory Federation Services 2.0 (formerly known as "Geneva" Server): a security token service for IT that issues and transforms claims and other tokens, manages user access and enables federation and access management for simplified single sign-on · Windows CardSpace 2.0 (formerly known as Windows CardSpace "Geneva"): for helping users navigate access decisions and developers to build customer authentication experiences for users. Reference : http://msdn.microsoft.com/en-us/security/aa570351.aspx Geeta

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• OpenVPN not with Windows 7 PCs on client Lan

  - by Rohan

  I have a setup with a router running OpenWRT with an openvpn client. Windows 7 pc's cannot access the vpn. They time out trying to access servers on the VPN. The mystery to me is that the setup works fine for my laptop running ubuntu. I can access the VPN without any issues. I previously had a router running Tomato with the same openvpn setup and all the computers could access the VPN. What could account for the difference in behaviour? Is there something I am missing in the OpenWRT setup that is required for windows networking that is on by default with tomato? To clarify the OpenVPN client is on the OpenWRT router. The client connects to the OpenVPN server. But when I try to access the VPN from Windows computers on my network I cannot.

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• Does the initramfs image file need to be updated whenever grub.conf is modified?

  - by javanix

  I am trying to puzzle out a linux boot configuration problem involving legacy grub (0.97), LVM2, and dracut and trying to eliminate a few red herrings. My trial and error process goes like so: Modify grub.conf Install grub.conf into MBR via grub shell Reboot Kernel panic In the interests of removing #4, am I missing a step in which I need to update the initramfs image? What does the initramfs image contain that might pertain to which filesystems are mounted during boot?

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