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  • javan-whenever not writing crontab with Capistrano deploy

    - by Gordon Isnor
    I’ve been trying to get whenever running on an ec2 instance that was created with ec2 on rails. When I deploy with Capistrano it indicates that the crontab was written, but when I log into the server and run crontab -l it does not seem to have been changed. If I go into the release folder and manually run whenever --write-crontab then run crontab -l - it gets updated properly. Any ideas what could be causing this? Capistrano is not indicating any errors so not sure how to debug, have tried a billion permutations and combinations and nothing changes.

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  • Cron job execute backup.bash

    - by leejava
    Dear all, I wish to let cron executes backup.bash, but when I try to create cron as below: */1 * * * * /var/www/mango_gis/delete_snapshot.bash /dev/null It didn't execute my script at all. Here is my script as below: #!/bin/bash get() { local pos=$1 shift eval 'echo ${'$pos'}'; } length(){ echo $#; } find_snapshots() { echo $(ec2-describe-snapshots | xargs -n1 basename); } snapshots=$(find_snapshots) len=$(length $snapshots) row_count=$(($len/6)) if(($row_count 6)); then delete_count=$(($row_count-6)) for (( i=1; i<=$delete_count; i++ )); do ec2-delete-snapshot $(echo $(get $((2+$((6*$(($i-1)))))) $snapshots)) /dev/null done fi Please advise... Leakhina

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  • SQLUG Events - London/Edinburgh/Cardiff/Reading - Masterclass, NoSQL, TSQL Gotcha's, Replication, BI

    - by tonyrogerson
    We have acquired two additional tickets to attend the SQL Server Master Class with Paul Randal and Kimberly Tripp next Thurs (17th June), for a chance to win these coveted tickets email us ([email protected]) before 9pm this Sunday with the subject "MasterClass" - people previously entered need not worry - your still in with a chance. The winners will be announced Monday morning.As ever plenty going on physically, we've got dates for a stack of events in Manchester and Leeds, I'm looking at Birmingham if anybody has ideas? We are growing our online community with the Cuppa Corner section, to participate online remember to use the #sqlfaq twitter tag; for those wanting to get more involved in presenting and fancy trying it out we are always after people to do 1 - 5 minute SQL nuggets or Cuppa Corners (short presentations) at any of these User Group events - just email us [email protected] removing from this email list? Then just reply with remove please on the subject line.Kimberly Tripp and Paul Randal Master Class - Thurs, 17th June - LondonREGISTER NOW AND GET A SECOND REGISTRATION FREE*The top things YOU need to know about managing SQL Server - in one place, on one day - presented by two of the best SQL Server industry trainers!This one-day MasterClass will focus on many of the top issues companies face when implementing and maintaining a SQL Server-based solution. In the case where a company has no dedicated DBA, IT managers sometimes struggle to keep the data tier performing well and the data available. This can be especially troublesome when the development team is unfamiliar with the affect application design choices have on database performance.The Microsoft SQL Server MasterClass 2010 is presented by Paul S. Randal and Kimberly L. Tripp, two of the most experienced and respected people in the SQL Server world. Together they have over 30 years combined experience working with SQL Server in the field, and on the SQL Server product team itself. This is a unique opportunity to hear them present at a UK event which will:>> Debunk many of the ingrained misconceptions around SQL Server's behaviour >> Show you disaster recovery techniques critical to preserving your company's life-blood - the data >> Explain how a common application design pattern can wreak havoc in the database >> Walk through the top-10 points to follow around operations and maintenance for a well-performing and available data tier! Where: Radisson Edwardian Heathrow Hotel, LondonWhen: Thursday 17th June 2010*REGISTER TODAY AT www.regonline.co.uk/kimtrippsql on the registration form simply quote discount code: BOGOF for both yourself and your colleague and you will save 50% off each registration – that’s a 249 GBP saving! This offer is limited, book early to avoid disappointment.Wed, 23 JunREADINGEvening Meeting, More info and registerIntroduction to NoSQL (Not Only SQL) - Gavin Payne; T-SQL Gotcha's and how to avoid them - Ashwani Roy; Introduction to Recency Frequency - Tony Rogerson; Reporting Services - Tim LeungThu, 24 JunCARDIFFEvening Meeting, More info and registerAlex Whittles of Purple Frog Systems talks about Data warehouse design case studies, Other BI related session TBC Mon, 28 JunEDINBURGHEvening Meeting, More info and registerReplication (Components, Adminstration, Performance and Troubleshooting) - Neil Hambly Server Upgrades (Notes and Best practice from the field) - Satya Jayanty Wed, 14 JulLONDONEvening Meeting, More info and registerMeeting is being sponsored by DBSophic (http://www.dbsophic.com/download), database optimisation software. Physical Join Operators in SQL Server - Ami LevinWorkload Tuning - Ami LevinSQL Server and Disk IO (File Groups/Files, SSD's, Fusion-IO, In-RAM DB's, Fragmentation) - Tony RogersonComplex Event Processing - Allan MitchellMany thanks,Tony Rogerson, SQL Server MVPUK SQL Server User Grouphttp://sqlserverfaq.com"

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  • links for 2011-03-15

    - by Bob Rhubart
    Dr. Frank Munz: Resize AWS EC2 Cloud Instances Dr Munz says: "You cannot dynamically resize a running cloud instance. E.g. there is no API call to ask for 2.2 GHz CPU speed instead of 1.8 GHz or to dynamically add another 3.5 GB of RAM." (tags: oracle cloud amazon ec2) Roddy Rodstein: Oracle VM Manager Architecture and Scalability Rodstein says: "Oracle VM Manager can be installed in an all-in-one configuration using the default Oracle 10g Express Database or in a more traditional two tier architecture with an OC4J web tier and a 10 or 11g database tier." (tags: oracle otn virtualization oraclevm) Mark Nelson: Getting started with Continuous Integration for SOA projects Nelson says: "I am exploring how to use Maven and Hudson to create a continuous integration capability for SOA and BPM projects. This will be the first post of several on this topic, and today we will look at setting up some simple continuous integration for a single SOA project." (tags: oracle maven hudson soa bpm) 5 New Java Champions (The Java Source) Tori Wieldt shares the big news. Congratulations to new Java Champs Jonas Bonér, James Strachan, Rickard Oberg, Régina ten Bruggencate, and Clara Ko. (tags: oracle java) Alert for Forms customers running Oracle Forms 10g (Grant Ronald's Blog) Ronald says: "While you might have been happily running your Forms 10g applications for about 5 years or so now, the end of premier support is creeping up and you need to start planning for a move to Oracle Forms 11g." (tags: oracle oracleforms) Brenda Michelson: Enterprise Architecture Rant #4,892 "I’m increasingly concerned about the macro-direction of our field, as we continue to suffer ivory tower enterprise architecture punditry, rigid frameworks and endless philosophical waxing." - Brenda Michelson (tags: entarch enterprisearchitecture ivorytower) Amitabh Apte: Enterprise Architecture - Different Perspectives "Business does not need Enterprise Architecture," says Apte, "it needs value and outcomes from the EA function." (tags: entarch enterprisearchitecture) First Ever MySQL on Windows Online Forum - March 16, 2011 (Oracle's MySQL Blog) Monica Kumar shares the details. (tags: oracle mysql mswindows) Jeff Davies: Running Multiple WebLogic and OSB Domains "There is a small 'gotcha' if you want to create multiple domains on a devevelopment machine," says Jeff Davies. But don't worry - there's a solution. (tags: oracle soa osb weblogic servicebus) The Arup Nanda Blog: Good Engineering "Engineering is not about being superficially creative," Nanda says, "it's about reliability and trustworthiness." (tags: oracle engineering software technology) Welcome to the SOA & E2.0 Partner Community Forum (SOA Partner Community Blog) (tags: ping.fm)

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  • links for 2011-03-08

    - by Bob Rhubart
    The Empowered Business "Someone needs to be the enterprise parent that asks the question, “do you really need that?” It may be a shiny new thing, but does it make a difference in the ability to accomplish the strategy and goals?" - Enterprise Architect Todd Biske (tags: enterprisearchitecture) Knowledge Workers in the British Raj "While we’ve used technology to change business, business has also evolved to the point that it’s changing how we think about and use technology." - Peter Evans Greenwood (tags: enterprisearchitecture enterprise2.0) Arun Gupta, Miles to go ...: OTN Developer Day Boston 2011 - Slides & Trip Report Arun Gupta shares slides from his Developer Day presentations. (tags: oracle otn java) Use WLST to Delete All JMS Messages From a Destination (James Bayer's Blog) James Bayer responds to a question. (tags: oracle otn weblogic jms) Triangle Circle Square: Apex in the Amazon Cloud Scott Wesley shares several links to resources covering Oracle Apex on an Amazon EC2 instance. (tags: oracle apex ec2 amazon cloud) William Vambenepe: Reading IBM's proposed standard for Cloud Architecture The always entertaining William Vambenepe gives IBM's proposed Cloud standards the full Ebert. (tags: oracle cloud ibm standards) Government Information Group Cloud Computing Research Study "The twin pressures of reduced budgets and the need for greater efficiency have led the federal government to strongly promote cloud computing as a solution whenever possible." (tags: cloudcomputing cloud) The Ron Batra Blog: Technology Whispers: Top 10 Reasons to go ExaData "Continuing my exploration of ExaData, I thought I'd take a minute to consolidate my thoughts into key reasons for which Oracle ExaData could be a good fit for your needs." - Oracle ACE Director Ron Batra (tags: oracle oracleace exadata) Oracle WebCenter: Composite Applications & Mash-Ups (Oracle Enterprise 2.0 Blog) "The new Business Mash-up editor allows business users to take any Oracle Application or 3rd party application and wire the backend data sources or APIs to a rich set of visualizations and reuse them in mashups." (tags: oracle webcenter enterprise2.0) Antonio Romero: Great Discussion of ETL and ELT Tooling in TDWI Linkedin Group Antonio says: "There’s a great discussion of ETL and ELT tooling going on in the official TDWI Linkedin group, under the heading 'How Sustainable is SQL for ETL?' It delves into a wide range of topics." (tags: oracle linkedin etl elt) YouTube - Bunny Inc. - Episode 1. Mr. CIO meets Mr. Executive Manager Yes, it's a commercial. But it's well done and it's funny. (tags: e20 enterprise2.0 webcenter) Markus Eisele: Both Weblogic and Glassfish are strategic products for Oracle Oracle ACE Director Markus Eisele shares selected quotes pulled from the recent TechCast Live interview with Oracle's Anil Gaur and Adam Leftik (tags: oracle java weblogic glassfish) How to become an Oracle SOA expert? (SOA Partner Community Blog) Jurgan Kress shares info and links for those interested in capitalizing on SOA. (tags: oracle soa)

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  • Ways to serve AWS from another domain

    - by mplungjan
    I have installed Ghost on AWS (it is running node) I very much dislike the URL they gave me http://ec2-nn-nnn-nnn-nnn.us-west-2.compute.amazonaws.com/ghost/ I own a domain and linux hosting (but not a VPS) - what would be a practical way to serve my blog via URLS on my own (sub) domain? I can use php and access .htaccess on my domain - possibly do things on the ASW instance too (let me know what to look for)

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  • Oracle Magazine, September/October 2009

    Oracle Magazine September/October features articles on benefits of Oracle Fusion Middleware 11g, Oracle's database security and identity management solutions, Oracle OpenWorld preview, easily move application data with Oracle Data Integrator, scripting Oracle RMAN commands, Tom Kyte answers your questions, debugging with Oracle Application Development Framework, array binding, best PL/SQL practices, Oracle Application Express and Amazon EC2, Oracle WebCenter for integrating applications and much more.

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  • httpd 2.4 missing directives

    - by CraigH
    I just setup httpd 2.4 on an Amazone AMI and I noticed in the httpd.conf file there are alot of directives missing compared to a 2.2 conf file. For example: ServerTokens, Timeout, Server Signature, LoadModule are all not present. My question is, if they arent explicitly set in the httpd.conf file are they being set somewhere else? If not, what are their default values and why arent they in the conf file. Should I manually be setting these directives?

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  • Creating an instance with a specified name, or renaming an instance name after it got created?

    - by Franck Dernoncourt
    I created 4 instances on OpenStack using euca-run-instances -k Franck -n 4 ami-00000023f. The created instances have the following instance names (as listed on OpenStack's Horizon web interface) Server b00b1b04-e9f9-4582-86ca-f5773a465f42-b00b1b04-e9f9-4582-86ca-f5773a465f42 Server 4d765b51-0511-474c-98f0-ef6199a23c7f-4d765b51-0511-474c-98f0-ef6199a23c7f Server 378964ac-630e-4490-b738-383bed6bacb1-378964ac-630e-4490-b738-383bed6bacb1 Server b00b1b04-e9f9-4582-86ca-f5773a465f42-b00b1b04-e9f9-4582-86ca-f5773a465f42 Is there any way to create an instance with a specified name, or to rename an instance name after it got created?

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  • Ubuntu karmic doesn't have the version file?

    - by Blankman
    I was following this tutorial: http://articles.slicehost.com/2010/4/23/ubuntu-karmic-setup-part-2 On my ubuntu karmic version (on ec2, ami from elastic) I don't see this file: cat /etc/lsb-release It just isn't there. How can I see the version of the O/S? And shouldn't that file be there? Some people have told me ubuntu isn't really used as a server, is that true or is the trend making it more viable?

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  • Configuring vsftpd with nginx on Ubuntu 12.04 LTS

    - by arby
    I've attempted to configure a nginx / vsftpd server on Ubuntu 12.04 LTS (via amazon ec2) a couple times now, but I seem to keep making a mistake along the way. Currently, when I try to connect to my ftp server it takes a minute or so before it connects. Then when I issue a command, they all timeout with an operation failed error. Aside from these issues, I'm not completely confident with the file ownership & permissions or the configuration / settings. So, I think it's best if I just re-install and re-configure correctly. I believe the nginx installation comes with a default user of www-data:www-data and web root directory ownership by root:root. Vsftpd, however, needs to have a user created with the same group as the nginx user (www-data), and the same home directory as the nginx server (/usr/share/nginx/www), with g+w chmod permissions granted on that directory. The vsftpd.conf file should disable anonymous logins and enable local logins, file writing, and chroot local users. In my previous config, I had /bin/false set for the ftp user's shell and pam_shells.so disabled. I also had local_umask set to 0027. So, starting with a fresh ec2 instance, I've got: sudo apt-get install vsftpd sudo apt-get install nginx For the firewall I issued the command (not sure if necessary): sudo ufw allow ftp Which commands / config is recommended from here? I only need 1 ftp user that I can use to login with my ftp client to modify the single nginx web domain, which will need php & sql for WordPress.

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  • Migrating to Amazon AWS etc: What key statistics/questions should be analyzed and asked?

    - by cerd
    I searched SOverflow pretty extensively for something similar to this set of questions. BACKGROUND: We are a growing 'big(ish)' data chemical data company that are outgrowing our lab and our dedicated production workhorses. Make no mistake, we need to do some serious query optimization. Our data (It comes from a certain govt. agency so the schema and lack of indexing is atrocious). So yes, I know, AWS or EC2 is not a silver bullet in the face of spending time to maybe rework your queries/code entirely 'out of the box'. With that said I would appreciate any input on the following questions: We produce on CentOS and lab on Ubuntu LTS which I prefer especially with their growing cloud / AWS integration. If we are mysql centric, and our biggest problem is these big cartesian products that produce slow queries, should we roll out what we know after more optimization with respect to Ubuntu/mySQL with the added Amazon horsepower? Or is there some merit to the NoSQL and other technologies they offer? What are the key metrics I need to gather from apache and mysql other than like: Disk I/O operations, Data up/down avgs and trends and special high usage periods/scenarios? I've reviewed AWS/EC2 fine print, but want 2nd opinions. What other services aside from the basic web/database have proven valuable to you? I know nothing of Hadoop or many other technologies they offer, echoing my prev. question, do you sometimes find it worth it (Initially having it be a gamble aside from basic homework) to dive/break into a whole new environment and try to/or end up finding a way of more efficiently producing your data/site product? Anything I should watch out for in projecting costs, or any other general advice when working with AWS folks from anyone else where your company is very niche and very very technical (Scientifically - or anybody for that matter)? Thanks very much for your input - I think this thread could be valuable to others as well.

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  • Odd behavior of setting REMOTE_ADDR between Apache, Nginx, and AWS ELB

    - by Chris Drumgoole
    I have encountered a strange issue and am curious if others have encountered this as well. and if there is absolutely anything that can be done.. We have a set up where we have multiple AWS EC2 Linux machines sitting behind a ELB. The EC2 machines are running Nginx. Let's refer to these as my production machines (because they are!) I also have a Rackspace cloud machine running apache. Completely separate. Let's call this the test server. Now, there's a ISP here in Singapore that seems to be funneling traffic through a transparent proxy or something, and when you do a IP check, the IP often changes. In fact, I noticed that when I check on http://www.whatismyip.com, the ip seems to be stable (doesn't change) across refreshes. But, http://www.whatismyipaddress.com, on refreshing, the IP changes! (so my ISP is doing weird stuff). Now, back to my set up, I noticed a couple of things: Checking the REMOTE_ADDR variable from PHP when connecting to a single Nginx production machine (bypassing the load balancer), is set to the stable IP that does change. Checking the REMOTE_ADDR variable from PHP when connecting to the test Apache server, it is set to the IP that does change on refreshes. Checking the headers when connecting to the nginx production machines through the ELB, the ELB sets the HTTP_X_FORWARDED_FOR to the stable IP. Has anyone experienced this odd behavior? Is there nothing that I can do? And which IP should I "trust"? (the one Apache gives, or the one ELB and Nginx gives?) Thanks! Chris

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  • How can I download a copy of an S3 public data set?

    - by tripleee
    i was naively assuming I could do something like s3cmd sync s3://snap-d203feb5 /var/tmp/copy but I seem to have the wrong idea of how to go about this. I cannot even get a simple thing to work; vnix$ s3cmd ls s3://snap-d203feb5 Bucket 'snap-d203feb5': ERROR: Bucket 'snap-d203feb5' does not exist I guess the identifier I have is not for a "bucket" but for a "public data set". How do I go from one to the other? Do I have to start up an EC2 instance and create a bucket for this? How? The instructions at http://docs.amazonwebservices.com/AWSEC2/latest/UserGuide/using-public-data-sets.html seem to assume I want to use the data in an EC2 instance, but in this case, I'd just like to browse a bit, at least for a start. By the by, copy/pasting the "US Snapshot ID" causes a nasty traceback from Python; they publish the ID with a weird Unicode (I presume) dash which cannot directly be copy/pasted. Is there a mistake when I copy it? And what's the significance of "US" in there? Can't I use the data outside North America??

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  • Performance: Nginx SSL slowness or just SSL slowness in general?

    - by Mauvis Ledford
    I have an Amazon Web Services setup with an Apache instance behind Nginx with Nginx handling SSL and serving everything but the .php pages. In my ApacheBench tests I'm seeing this for my most expensive API call (which cache via Memcached): 100 concurrent calls to API call (http): 115ms (median) 260ms (max) 100 concurrent calls to API call (https): 6.1s (median) 11.9s (max) I've done a bit of research, disabled the most expensive SSL ciphers and enabled SSL caching (I know it doesn't help in this particular test.) Can you tell me why my SSL is taking so long? I've set up a massive EC2 server with 8CPUs and even applying consistent load to it only brings it up to 50% total CPU. I have 8 Nginx workers set and a bunch of Apache. Currently this whole setup is on one EC2 box but I plan to split it up and load balance it. There have been a few questions on this topic but none of those answers (disable expensive ciphers, cache ssl, seem to do anything.) Sample results below: $ ab -k -n 100 -c 100 https://URL This is ApacheBench, Version 2.3 <$Revision: 655654 $> Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Licensed to The Apache Software Foundation, http://www.apache.org/ Benchmarking URL.com (be patient).....done Server Software: nginx/1.0.15 Server Hostname: URL.com Server Port: 443 SSL/TLS Protocol: TLSv1/SSLv3,AES256-SHA,2048,256 Document Path: /PATH Document Length: 73142 bytes Concurrency Level: 100 Time taken for tests: 12.204 seconds Complete requests: 100 Failed requests: 0 Write errors: 0 Keep-Alive requests: 0 Total transferred: 7351097 bytes HTML transferred: 7314200 bytes Requests per second: 8.19 [#/sec] (mean) Time per request: 12203.589 [ms] (mean) Time per request: 122.036 [ms] (mean, across all concurrent requests) Transfer rate: 588.25 [Kbytes/sec] received Connection Times (ms) min mean[+/-sd] median max Connect: 65 168 64.1 162 268 Processing: 385 6096 3438.6 6199 11928 Waiting: 379 6091 3438.5 6194 11923 Total: 449 6264 3476.4 6323 12196 Percentage of the requests served within a certain time (ms) 50% 6323 66% 8244 75% 9321 80% 9919 90% 11119 95% 11720 98% 12076 99% 12196 100% 12196 (longest request)

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  • CDN Rerouting on 404 (file not yet in synch with original storage)

    - by Alan Ristic
    Here is the problem. I've setup my app(on EC2) to store uploaded images directly on Amazon S3. I'd like to be able to serve static files(cdn) from my 'home' server so I wrote script that does sync from S3. But there is a window of (at least) one minute in synch. Now I see two solutions on the problem of pics not been available on 'home' server here: 1.I write script on EC2 (where the app resides) to fetch from DB pics that have status of "not-yet-synch", which is default state when user uploads picture. The script then does a ping to picture and if it gets OK response, updates DB from "not-yet-synch" to "synch". 2.Prefered solution would be to let apache (in this case) redirect request for an image if it sees 404 (e.g. doesent find image requested) to S3. This way I wouldn't need script from solution 1. So what approach do you suggest I take in solving this redundancy problem? Or what is practice in production environments? To further clarify; I'd like so serve images first from 'home' server, if that fails serve them from S3. Tnx, Alan

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  • What are problems and pitfalls with a public facing Active Directory

    - by Ralph Shillington
    The situation that i'm faced with is this: We plan on using a number of server applications hosted on Amazon EC2 machines, mainly Microsoft Team Foundation Server. These services rely heavily on Active Directory. Since our servers are in the Amazon cloud it should go without saying (but I will) that all our users are remote. It seems that we can't setup VPN on our EC2 instance -- so the users will have to join the domain, directly over the internet then they'll be able to authenticate and once authenticated, use that token for accessing resources such as TFS. on the DC instance, I can shut down all ports, except those needed for joining/authenicating to the domain. I can also filter the IP on that machine to just those address that we are expecting our users to be at (it's a small group) On the web based application servers, I imagine all we need to open is port 80 (or 8080 in the case of TFS) One of the problems that I'm faced with is what domain name to use for this Active directory. Should I go with "ourDomainName.com" or "OurDomainName.local" If I choose the latter, does that not mean that I'll have to get all our users to change their DNS address to point to our server, so it can resolve the domain name (I guess I could also distribute a host file) Perhaps there is another alternative that I'm completely missing.

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  • Does a VPN requirement kill the concept of having a Web Application in the Cloud?

    - by Christian
    Recently I posted a question in SO, but so far I got no answers. I wonder if I'm asking the wrong question. This is the problem: We need to design an application which offers a public http web service, but at the same time it must consume some services through a VPN connection from other existing company. There is no other alternative but to use a VPN connection to access those services. We want to host our application in some cloud infrastructure like Heroku or Amazon EC2. But there is no direct way to access the VPN services of the other company from there. The solution I'm thinking, but I don't like is to have a different server to expose the services from that VPN. But this will require the setup of another server which I prefer to avoid. In the case this is the solution, can I use an Amazon EC2 instance to connect to a VPN? This is what I was thinking, is it correct? I don't have experience using VPNs, tunnels or those kind of networking stuff. I will really appreciate if you can propose me an alternative solution, or just give me a comment.

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  • Apache suddenly very slow on http and faster on https

    - by hsnm
    Background: I have Apache 2 running on ubuntu. There is a low usage on it and mostly being accessed for a web service URL from mobile apps. It was working fine until I installed SSL certificates. I now have both http and https. When I access the server using https, I get a fairly quick response (but probably not as fast as before). When I use http, it's so slow. What I tried: From this post: I curl localhost from the host and it takes some time, meaning there is no routing issue. The server runs on Amazon EC2 instance and is managed by me only. Also: I see that Apache once running, creates the maximum number of processes it is allowed to, which was not the case before. I lowered the MaxClients to 20 and I think I'm getting faster responses but it still takes over a minute and I always have MaxClients Apache processes. dmesg returns many [ 1953.655703] TCP: Possible SYN flooding on port 80. Sending cookies. When I netstat I get many entries with SYN_RECV. Possibly a DDoS attack? From EC2's monitoring diagrams I see a pattern of high "Maximum Network In (Bytes)" since 2 days ago. By the way the server is still being tested, the actual traffic is very low and not consistent. I tried to go with this solution to limit incoming connections using iptables, still no luck, but I'm trying. Question: What could be the problem? Is this a DDoS attack?

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  • Mail Server using Postfix

    - by unknown (google)
    I have currently set up my web application on Amazon EC2 server. As a well known fact sending email from EC2 has a problem. As a cheap and long lasting solution instead of using "authsmtp" is it possible to rent a server and use it as a Mail Server? I am currently looking for cheap hosting which will give me root access so that it can be configured and used as a relayhost. I am curently using Postfix as MTA. Has any one implemented this before? I am curious about its feasibility of this solution. I guess common requirements are: 1: Dedicated IP which is not black listed. 2: Open relay( open to my Server only) Any Tips for Header configurations to keep the mails out of spam folder. This is like exactly cloning authsmtp for personal use. Any suggestions for other Mail Server software instead of Postfix? Another problem is Reverse DNS for this server. Should PTR entry be present if a server is used as a relayhost?

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  • I&rsquo;m going to have to stop using MS Virtual PC 2007

    - by John Breakwell
    Originally posted on: http://geekswithblogs.net/Plumbersmate/archive/2013/10/23/irsquom-going-to-have-to-stop-using-ms-virtual-pc.aspxFor many years now I’ve been happily chucking around Windows XP virtual hard disks and loading them with Virtual PC. Sadly I’m going to have to turn to something modern as the virtual processor is no longer up to scratch, as I found when trying to install Windows 8.1 evaluation. In the past this would have been a Blue Screen but they’re handled differently in Windows 8, usually with a frowning emoticon. 0x0000005D means UNSUPPORTED_PROCESSOR and the solution would be to enable No-Execute Memory Protection in the BIOS. Virtual PC is ancient so the AMI BIOS has no such setting on any of the menus. Off now to find a virtualisation product I like.

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  • Smart View és az Office verziók

    - by Fekete Zoltán
    A Smart View többek között az Oracle Essbase (Hyperion) lekérdezo-elemzo-kontrolling-adatbeviteli stb felülete is. A Smart View egy MS Excel add-in-ként áll rendelkezésre. Teljes mértékben támogatja a tervezési, költségvetéskészítési, kontrolling és elemzési munkát. Az Essbase a kontrollerek szívéhez és kezéhez közelálló OLAP szerver, ami a Hyperion Planningnek is az alapja. Milyen MS Office verziókat támogat a Smart View? MS Office 2000 (XP), 2003, 2007 verziókat. Ezt az információt az Oracle Enterprise Performance Management Products - Supported Platforms Matrices helyen felsorolt dokumentumok írják le. Az Oracle Enterprise Performance Management aktuális verziójának 11.1.1.3 teljes dokumentácója megtalálható itt.

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  • Adatbázis verziók támogatása

    - by Lajos Sárecz
    Gyakran jön elo az a kérdés, hogy az egyes adatbázis verziók meddig támogatottak. Egy-két éve vezette be az Oracle a Lifetime Support Policy-t, ami tulajdonképpen az összes termék esetében szabályozza a teljes életciklus alatti támogatási szinteket. Ennek megfeleloen 3 támogatási szint létezik: - Premier Support: Ez a megjelenéstol számítva 5 évig ad teljes támogatást. - Extended Support: További 3 év támogatás magasabb áron. Közel ugyanazt a szolgáltatást nyújtja, mint a Premier Support, csupán más gyártók új termékeivel, vagy új verzióival nem certifikál. - Sustaining Support: Technikai támogatás mindaddig, amíg a rendszer muködik. Új hibákra már nem ad javítást, és új Oracle termékekkel sem certifikál

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