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  • Oracle's Cloud Strategie nach der OOW 2012

    - by Manuel Hossfeld
    Auf der diesjährigen Oracle Open World war „die Cloud“ nicht nur ein vielbenutztes Buzzword, sondern auch Anlass für einige interessante Ankündigungen. Wer keine Zeit oder Muße hatte, sich die entsprechenden Keynotes von Larry Ellison und Thomas Kurian anzuhören, erfährt in diesem Artikel die wesentlichen Änderungen. Die erste Neuerung: Oracle wird in Zukunft alle drei „Sorten“ bzw. „Ebenen“ von Cloud Computing anbieten: SaaS (Software as a Service) – die Bereitstellung von kompletten Fachanwendungen z.B. aus der eBusiness Suite in Form eines Mietmodells - gab es schon länger. Abgesehen von der Tatsache, dass hier zusätzliche/neuere Komponenten und Module der durch die letzten Zukäufe von Oracle noch breiter gewordenen Palette angeboten werden, ändert sich am Prinzip nichts. Bei PaaS (Plattform as a Service) sind vor allem die beiden bereits letztes Jahr angekündigten Dienste „Database Service“ (basierend auf APEX) und „Java Service“ (basierend auf Weblogic) zu nennen, für die nun auch konkrete Pakete und Preise (ca.175$ bis 2000$/Monat) sowie die Möglichkeit zur Anmeldung auf http://cloud.oracle.com vorliegen. Interessanterweise gehört auch ein sog. „Social Service“ in diese Schicht, mit der Oracle Kunden ihre Anwendungen in Zukunft auf standardisierte Weise durch Social Networking Funktionalität wie z.B. Microblogging erweitern können.Ebenso neu angekündigt wurde ein "Developer Service", welcher z.B. Sourcecode-Verwaltung durch GIT Repositories sowie Wikis und Issue Tracking bereit stellen soll. Die dort mittels JDeveloper, Netbeans oder Eclipse erstellten Applikationen können dann nahtlos innerhalb kürzester Zeit in den Java Service deployed werden. Komplett neu und für einige sicher überraschend ist hingegen der Bereich IaaS (Infrastructure as a Service) – Hier geht es um die Bereitstellung von Basis-Infrastrukturkomponenten wie Storage, Rechenleistung (letztlich also Betriebssysteme / VMs) und Messaging / Queueing. Genaue Details oder Preise zu den IaaS Angeboten sind noch nicht bekannt, aber zumindest zu den Storage- und Messaging Services können grundlegende Daten bereits auf http://cloud.oracle.com eingesehen werden Die zweite Neuerung: Kunden können in Zukunft als Alternative zum Betrieb der o.g. „Oracle Cloud“, diese auch komplett hinter ihrer eigenen Firewall aufbauen lassen. Mit anderen Worten: Oracle baut und betreibt bei diesem als „Oracle Private Cloud“ bezeichneten Angebot alle Komponenten selbst – die Daten verlassen aber niemals das Gebäude des Kunden. Letzteres ist gerade bei uns im Datenschutz-sensiblen Deutschland ein wichtiger Aspekt. Da die verwendeten Komponenten in beiden Fällen die gleichen sind, ist auch ein „Umziehen“ oder Erweitern der Private Cloud in die Public Cloud (oder zurück) ohne Änderungen an den Anwendungen möglich. Der Möglichkeit einer "Hybrid Cloud", bei der Teile einer Anwendung hinter der eigenen Firewall, andere Teile aber in der Oracle Cloud laufen, wird damit Realität.

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  • How can I make eclipse look like VS.NET 2010?

    - by Juan Manuel
    I am constantly switching between a project written in C# 4.0 and another one written in Java. I find it very difficult to read the code in Java, and I think it's because of its colors (or lack of them really) Is there any way to mimic the colors that VS.NET 2010 has inside eclipse? (even better would be to replace all its hotkeys for their equivalent in VS.NET, like ctrl+k for ctrl+f3, but I believe it would be utopic)

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  • What is the order of diagram drawing in a design?

    - by Manuel Malagon
    I'm new with OOP and UML and I have some confusion here. I'd like to know where to start, I mean, somebody comes to you and ask you to do something (involves software design of course), once you have determined what has to be done, what is the order in which you have to start the software architecture? I mean, is it first the use case diagram or the class diagram? or should I draw some diagrams in parallel? But basically, where should I start? and what UML diagram goes first? Thanks for helping!!

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  • How to setup users for desktop app with SQL Azure as backend?

    - by Manuel
    I'm considering SQL Azure as DB for a new application I'm developing. The reason I want to go with Azure is because I don't want to have to maintain yet another database(s) and I want my users to be able to access the data from anywhere. The problem is that I'm not clear regarding how to users will connect. The application is a basic CRUD type of windows app. I've read that you need to add your IP to SQL Azure's firewall to connect to it, but I don't know if it's only for administration purposes only. Can anyone clarify if anyone (anywhere) can access the data with the proper credentials? Which of the following scenarios would work best (if at all)? A) Add each user to SQL Azure and have the app connect directly to Azure as if it was connecting to SQL Server B) Add an anonymous user SQL Azure and pass the real user's password/hash with every call so the Azure database can service the requests accordingly. C) Put a WCF service in between so that it handles the authentication stuff. The service will only serve the appropriate information to the user given his/her authentication and SQL Azure would be open to the service exclusively. D) - ideas are welcomed - This is confusing because all Azure examples I see are for websites. I have a hard time believing SQL Azure wouldn't handle the case of desktop apps connecting to it. So what's the best practice?

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  • Higher Performance With Spritesheets Than With Rotating Using C# and XNA 4.0?

    - by Manuel Maier
    I would like to know what the performance difference is between using multiple sprites in one file (sprite sheets) to draw a game-character being able to face in 4 directions and using one sprite per file but rotating that character to my needs. I am aware that the sprite sheet method restricts the character to only be able to look into predefined directions, whereas the rotation method would give the character the freedom of "looking everywhere". Here's an example of what I am doing: Single Sprite Method Assuming I have a 64x64 texture that points north. So I do the following if I wanted it to point east: spriteBatch.Draw( _sampleTexture, new Rectangle(200, 100, 64, 64), null, Color.White, (float)(Math.PI / 2), Vector2.Zero, SpriteEffects.None, 0); Multiple Sprite Method Now I got a sprite sheet (128x128) where the top-left 64x64 section contains a sprite pointing north, top-right 64x64 section points east, and so forth. And to make it point east, i do the following: spriteBatch.Draw( _sampleSpritesheet, new Rectangle(400, 100, 64, 64), new Rectangle(64, 0, 64, 64), Color.White); So which of these methods is using less CPU-time and what are the pro's and con's? Is .NET/XNA optimizing this in any way (e.g. it notices that the same call was done last frame and then just uses an already rendered/rotated image thats still in memory)?

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  • Is it possible to run two VPN clients at the same time?

    - by Manuel Selva
    I would like to run two VPN clients at the same time: one Cisco client and one VPNC client. For now I have my VPNC client configured to route only some known IPs to the VNC interface and would like to add the same thing for the Cisco client at the same time. Is it possible ? Do I need a Cisco client to connect to a Cisco server or can I use an other client such as VPNc ? I installed the cisco one because it was the one suggested but I am wondering if this is mandatory ? I guess the answer may be yes, and off course I am interested in "required configurations" to do that

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  • kernel panic after LVM setup

    - by Manuel Sopena Ballesteros
    I broke my webserver... My setup is: VMWare ESXi environemt CPanel installed CentOS release 6.5 (Final) 4 CPUs 2G RAM 2x VM disks 100G each LVM system This was my previous storage settings (the server was working fine at this time): # df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_test01-lv_root 95G 1.4G 88G 2% / tmpfs 939M 0 939M 0% /dev/shm /dev/sdb1 99G 188M 94G 1% /tmp /dev/sda1 485M 54M 407M 12% /boot My web developer asked me to merge /tmp and / disks so this is what I did: Delete /dev/sdb1 partition using fdisk Create a new partition as LVM on /dev/sdb1 using fdisk Create a new physical volume -- pvcreate /dev/sdb1 Extend volume group -- vgextend /dev/sdb1 vg_test01 Extend logical volume -- lvextend -l +100%FREE /dev/vg_test01/lv_root Resize filesystem -- resize2fs /dev/vg_test01/lv_root This is the new configuration: # df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_test01-lv_root 213G 105G 97G 52% / tmpfs 939M 0 939M 0% /dev/shm /dev/sda1 485M 54M 407M 12% /boot /usr/tmpDSK 4.0G 145M 3.6G 4% /tmp Since I have the new settings my web server is throwing kernel panics quite often (around every 2 days). The message says: INFO: task <taskName>:<pid> blocked for more than 120 seconds. The list of process affected that I can see from the console are: mysqld queueprocd httpd suphp vmtoolsd loop0 auditd The only way I can fix this is reseting (cold reboot) the VM. I don't think it is a hardware issue as sar is not showing any bottleneck: Linux 2.6.32-431.3.1.el6.x86_64 (test01) 08/22/2014 _x86_64_ (4 CPU) 12:00:01 AM CPU %user %nice %system %iowait %steal %idle 12:10:01 AM all 26.86 0.01 0.98 0.57 0.00 71.57 12:20:01 AM all 1.78 0.02 1.03 0.08 0.00 97.09 12:30:01 AM all 26.34 0.02 0.85 0.05 0.00 72.74 12:40:01 AM all 27.12 0.01 1.11 1.22 0.00 70.54 12:50:01 AM all 1.59 0.02 0.94 0.13 0.00 97.32 01:00:01 AM all 26.10 0.01 0.77 0.04 0.00 73.07 01:10:01 AM all 27.51 0.01 1.16 0.14 0.00 71.18 01:20:01 AM all 1.80 0.07 1.06 0.08 0.00 96.99 01:30:01 AM all 26.19 0.01 0.78 0.05 0.00 72.96 01:40:01 AM all 26.62 0.02 0.87 0.05 0.00 72.45 01:50:02 AM all 1.35 0.01 0.87 0.02 0.00 97.75 02:00:01 AM all 26.11 0.02 0.69 0.02 0.00 73.17 02:10:01 AM all 26.73 0.02 0.89 0.14 0.00 72.21 02:20:01 AM all 1.45 0.01 0.92 0.04 0.00 97.58 02:30:01 AM all 26.59 0.01 1.06 0.03 0.00 72.31 02:40:01 AM all 26.27 0.01 0.72 0.05 0.00 72.95 02:50:01 AM all 0.86 0.01 0.50 0.09 0.00 98.53 03:00:01 AM all 25.61 0.02 0.39 0.03 0.00 73.96 03:10:01 AM all 26.30 0.08 0.66 0.14 0.00 72.82 03:20:01 AM all 0.81 0.01 0.51 0.04 0.00 98.63 03:30:02 AM all 26.15 0.02 0.53 0.07 0.00 73.24 03:40:01 AM all 26.06 0.01 0.47 0.04 0.00 73.42 03:50:01 AM all 0.96 0.02 0.51 0.03 0.00 98.48 Average: all 17.69 0.02 0.79 0.14 0.00 81.36 06:58:14 AM LINUX RESTART 07:00:01 AM CPU %user %nice %system %iowait %steal %idle 07:10:01 AM all 1.04 0.02 0.57 0.95 0.00 97.42 07:20:02 AM all 0.66 0.01 0.39 0.06 0.00 98.87 07:30:01 AM all 25.71 0.01 0.45 0.16 0.00 73.67 07:40:01 AM all 25.88 0.01 0.35 0.08 0.00 73.68 07:50:01 AM all 1.13 0.02 0.55 0.11 0.00 98.19 As you can see the server became unresponsive at 03.50 AM and I had to reset the VM at 06.58 AM to bring the website up again. I would appreciate any help/assistance to fix this issue. thank you very much

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  • Why does httpd handle requests for wrong hostnames in SSL mode?

    - by Manuel
    I have an SSL-enabled virtual host for my sites at example.com:10443 Listen 10443 <VirtualHost _default_:10443> ServerName example.com:10443 ServerAdmin [email protected] ErrorLog "/var/log/httpd/error_log" TransferLog "/var/log/httpd/access_log" SSLEngine on SSLProtocol all -SSLv2 SSLCipherSuite HIGH:MEDIUM:!aNULL:!MD5 SSLCertificateFile "/etc/ssl/private/example.com.crt" SSLCertificateKeyFile "/etc/ssl/private/example.com.key" SSLCertificateChainFile "/etc/ssl/private/sub.class1.server.ca.pem" SSLCACertificateFile "/etc/ssl/private/StartCom.pem" </VirtualHost> Browsing to https://example.com:10443/ works as expected. However, also browsing to https://subdomain.example.com:10443/ (with DNS set) shows me the same pages (after SSL certificate warning). I would have expected the directive ServerName example.com:10443 to reject all connection attempts to other server names. How can I tell the virtual host not to serve requests for URLs other than the top-level one?

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  • What is the command to check if a command's results mention OK?

    - by Manuel
    Alright, so I was playing around with changing MTU size and wanted to make a batch file to automatically lower it and then raise it later. This is probably simple, but I just can't figure it out. Point is, is there a way to run a command, which would normally echo out "ok" but check to see if it does say ok? And if it doesn't say ok then, to end the rest of the file from running and exit out. The command I'm using is netsh interface ipv4 set subinterface "Local Area Connection" mtu=386 store=persistent which, as I mentioned above prints out an OK. I just want to check if it did run correctly, and if not, then do __

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  • Error with TextMate 2 --shell-escape and gnuplot 10.8.2

    - by Manuel
    I have had TM 1.X since a long time ago, but a week ago I updated my system to Mountain Lion 10.8.2 and installed TM2. The problem is that I write with LaTeX, and sometimes I use gnuplot for the graphs (I installed gnuplot with macports). But now it doesn't work because the --shell-escape doesn't work, this is the error message I get: Package pgfplots Error: Sorry, the gnuplot-result file '"untitled 2.pgf-plot.table"' could not be found. Maybe you need to enable the shell-escape feature? For pdflatex, this is ' pdflatex -shell-escape'. You can also invoke ' gnuplot .gnuplot' manually on the respective gnuplot file.. And then, looking around I discovered that it's not just gnuplot but everything which needs --shell-escape. Question What happened? How can I get TM have the correct rights so this works? It worked right in Snow Leopard with TM 1.5.

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  • OpenBSD ftp-proxy behind NAT itself

    - by Manuel Faux
    Is it possible to change the PASV IP ftp-proxy of OpenBSD sends to clients, without changing the listen address of redirection control (-b <address>)? I have the following setup: FTP client --> 1:1 NAT router --> OpenBSD router --> FTP server The 1:1 NAT router has a NAT rule to forward everything to the OpenBSD router, the OpenBSD router runs the ftp-proxy -R <FTP server IP>. When the FTP client sends the PASV command, the proxy answers with the Entering Passive Mode (227) message with his own source IP on the interface to the 1:1 NAT router (obviously). Since the 1:1 NAT router is not protocol aware, it forwards this message and the client receives the message with the PASV IP of the OpenBSD router, which it does not have a route to. Is there a way, that I can tell ftp-proxy to send the Entering Passive Mode message with a different source IP?

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  • Mouse and touchpad move at different speeds

    - by Juan Manuel
    I have a compaq 610 running windows 7, and I use a USB mouse on it. The pointer speed is different for the mouse and the touchpad, so when I go to a meeting and take the notebook but not the mouse, the pointer moves too slow using the touchpad and I have to manually adjust it (of course when I return, I have to slow it down because the mouse would move the pointer too fast). Is there any way to fix this, or to have this setting separate for both devices?

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  • Frequent Kernel Panic on CentOS 6.5

    - by Manuel Sopena Ballesteros
    I have a webserver with the configuration below: VMWare ESXi environemt CPanel installed CentOS release 6.5 (Final) 4 CPUs 2G RAM 2x VM disks 100G each LVM system My issue is I am getting kernel panic quite frequently. These is a list of some processes blocked I could see from the console: mysqld queueprocd httpd suphp vmtoolsd loop0 auditd this is my sar logs Linux 2.6.32-431.3.1.el6.x86_64 (test01) 08/22/2014 _x86_64_ (4 CPU) 12:00:01 AM CPU %user %nice %system %iowait %steal %idle 12:10:01 AM all 26.86 0.01 0.98 0.57 0.00 71.57 12:20:01 AM all 1.78 0.02 1.03 0.08 0.00 97.09 12:30:01 AM all 26.34 0.02 0.85 0.05 0.00 72.74 12:40:01 AM all 27.12 0.01 1.11 1.22 0.00 70.54 12:50:01 AM all 1.59 0.02 0.94 0.13 0.00 97.32 01:00:01 AM all 26.10 0.01 0.77 0.04 0.00 73.07 01:10:01 AM all 27.51 0.01 1.16 0.14 0.00 71.18 01:20:01 AM all 1.80 0.07 1.06 0.08 0.00 96.99 01:30:01 AM all 26.19 0.01 0.78 0.05 0.00 72.96 01:40:01 AM all 26.62 0.02 0.87 0.05 0.00 72.45 01:50:02 AM all 1.35 0.01 0.87 0.02 0.00 97.75 02:00:01 AM all 26.11 0.02 0.69 0.02 0.00 73.17 02:10:01 AM all 26.73 0.02 0.89 0.14 0.00 72.21 02:20:01 AM all 1.45 0.01 0.92 0.04 0.00 97.58 02:30:01 AM all 26.59 0.01 1.06 0.03 0.00 72.31 02:40:01 AM all 26.27 0.01 0.72 0.05 0.00 72.95 02:50:01 AM all 0.86 0.01 0.50 0.09 0.00 98.53 03:00:01 AM all 25.61 0.02 0.39 0.03 0.00 73.96 03:10:01 AM all 26.30 0.08 0.66 0.14 0.00 72.82 03:20:01 AM all 0.81 0.01 0.51 0.04 0.00 98.63 03:30:02 AM all 26.15 0.02 0.53 0.07 0.00 73.24 03:40:01 AM all 26.06 0.01 0.47 0.04 0.00 73.42 03:50:01 AM all 0.96 0.02 0.51 0.03 0.00 98.48 Average: all 17.69 0.02 0.79 0.14 0.00 81.36 06:58:14 AM LINUX RESTART 07:00:01 AM CPU %user %nice %system %iowait %steal %idle 07:10:01 AM all 1.04 0.02 0.57 0.95 0.00 97.42 07:20:02 AM all 0.66 0.01 0.39 0.06 0.00 98.87 07:30:01 AM all 25.71 0.01 0.45 0.16 0.00 73.67 07:40:01 AM all 25.88 0.01 0.35 0.08 0.00 73.68 As you can see the server became unresponsive at 03.50 AM and I had to reset the VM at 06.58 AM to fix it. sar -d 03:00:01 PM dev8-16 0.16 0.01 3.37 20.78 0.00 12.40 9.29 0.15 03:00:01 PM dev8-0 4.08 5.72 77.50 20.38 0.06 15.15 3.13 1.28 03:00:01 PM dev253-0 10.37 5.74 80.87 8.35 0.13 12.52 1.24 1.29 03:00:01 PM dev253-1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:01 PM dev8-16 0.27 0.17 3.17 12.22 0.00 11.49 7.95 0.22 03:10:01 PM dev8-0 6.37 18.98 136.19 24.34 0.05 7.25 2.18 1.39 03:10:01 PM dev253-0 17.91 19.15 137.94 8.77 0.13 7.11 0.78 1.41 03:10:01 PM dev253-1 0.18 0.00 1.41 8.00 0.00 9.09 0.52 0.01 03:10:01 PM DEV tps rd_sec/s wr_sec/s avgrq-sz avgqu-sz await svctm %util 03:20:01 PM dev8-16 0.17 0.23 2.04 13.39 0.00 6.07 5.29 0.09 03:20:01 PM dev8-0 3.83 18.57 78.45 25.35 0.05 13.25 2.73 1.05 03:20:01 PM dev253-0 10.30 18.80 80.49 9.64 0.14 13.89 1.03 1.06 03:20:01 PM dev253-1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 PM dev8-16 0.26 0.16 4.59 18.56 0.00 6.44 5.54 0.14 03:30:01 PM dev8-0 5.97 24.07 117.83 23.77 0.05 8.53 2.13 1.27 03:30:01 PM dev253-0 15.90 24.23 122.42 9.22 0.12 7.71 0.81 1.29 03:30:01 PM dev253-1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 PM dev8-16 0.20 0.00 2.32 11.44 0.00 8.35 5.90 0.12 03:40:01 PM dev8-0 4.39 19.58 77.94 22.24 0.06 12.87 2.12 0.93 03:40:01 PM dev253-0 10.25 19.58 80.25 9.74 0.12 11.63 0.91 0.94 03:40:01 PM dev253-1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:50:01 PM dev8-16 0.23 0.50 2.32 12.44 0.00 6.27 5.13 0.12 03:50:01 PM dev8-0 5.09 9.00 95.04 20.45 0.04 7.36 2.10 1.07 03:50:01 PM dev253-0 12.47 9.50 96.82 8.53 0.08 6.76 0.87 1.08 03:50:01 PM dev253-1 0.07 0.00 0.54 8.00 0.00 14.10 0.40 0.00 04:00:01 PM dev8-16 0.21 0.00 2.04 9.89 0.00 7.00 5.87 0.12 04:00:01 PM dev8-0 4.68 1.64 94.70 20.57 0.05 10.71 2.41 1.13 04:00:01 PM dev253-0 12.27 1.64 96.74 8.02 0.12 9.95 0.93 1.14 sar -q 01:00:01 AM 6 205 2.02 1.32 0.81 01:10:01 AM 3 187 0.08 0.72 0.86 01:20:01 AM 2 187 0.04 0.18 0.49 01:30:01 AM 4 205 2.04 1.34 0.82 01:40:01 AM 2 185 0.02 0.68 0.83 01:50:02 AM 1 185 0.08 0.15 0.45 02:00:01 AM 5 202 2.02 1.30 0.78 02:10:01 AM 4 185 0.11 0.72 0.84 02:20:01 AM 1 183 0.17 0.15 0.45 02:30:01 AM 5 206 2.03 1.32 0.79 02:40:01 AM 2 184 0.08 0.70 0.83 02:50:01 AM 1 183 0.00 0.10 0.43 03:00:01 AM 7 205 2.03 1.32 0.78 03:10:01 AM 2 194 0.34 0.73 0.83 03:20:01 AM 1 184 0.00 0.13 0.44 03:30:02 AM 4 201 2.04 1.32 0.78 03:40:01 AM 2 193 0.06 0.67 0.81 03:50:01 AM 1 183 0.06 0.12 0.43 Average: 3 192 0.68 0.70 0.69 06:58:14 AM LINUX RESTART 07:00:01 AM runq-sz plist-sz ldavg-1 ldavg-5 ldavg-15 07:10:01 AM 2 181 0.00 0.09 0.11 07:20:02 AM 1 179 0.00 0.00 0.04 07:30:01 AM 4 197 2.12 1.33 0.58 sar -r Linux 2.6.32-431.3.1.el6.x86_64 (test01) 08/22/2014 _x86_64_ (4 CPU) 12:00:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit 12:10:01 AM 227484 1694468 88.16 117444 917004 635308 10.50 12:20:01 AM 219692 1702260 88.57 119556 920540 630940 10.43 12:30:01 AM 196248 1725704 89.79 121376 923592 695048 11.49 12:40:01 AM 127524 1794428 93.36 125004 1016196 633048 10.46 12:50:01 AM 127156 1794796 93.38 128212 1014536 624992 10.33 01:00:01 AM 110764 1811188 94.24 129964 1001608 700016 11.57 01:10:01 AM 160560 1761392 91.65 132260 973472 628640 10.39 01:20:01 AM 133076 1788876 93.08 134144 982608 655524 10.83 01:30:01 AM 121512 1800440 93.68 135548 985676 700500 11.58 01:40:01 AM 140640 1781312 92.68 137220 988576 628280 10.38 01:50:02 AM 139160 1782792 92.76 138688 990672 625224 10.33 02:00:01 AM 106112 1815840 94.48 139940 993976 700360 11.57 02:10:01 AM 155400 1766552 91.91 142112 971864 625656 10.34 02:20:01 AM 154056 1767896 91.98 143732 975556 621352 10.27 02:30:01 AM 110856 1811096 94.23 145032 978288 709360 11.72 02:40:01 AM 140200 1781752 92.71 146568 980656 624872 10.33 02:50:01 AM 137600 1784352 92.84 148940 984484 621948 10.28 03:00:01 AM 105032 1816920 94.54 150208 985736 706060 11.67 03:10:01 AM 168996 1752956 91.21 154708 941500 656312 10.85 03:20:01 AM 169408 1752544 91.19 156096 944100 621780 10.28 03:30:02 AM 132360 1789592 93.11 157724 951612 701296 11.59 03:40:01 AM 159012 1762940 91.73 158940 942560 656292 10.85 03:50:01 AM 163192 1758760 91.51 160312 944576 624544 10.32 Average: 148089 1773863 92.29 140162 969973 653363 10.80 06:58:14 AM LINUX RESTART 07:00:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit 07:10:01 AM 1016628 905324 47.10 85568 447556 600932 9.93 07:20:02 AM 1009996 911956 47.45 87616 451200 596156 9.85 07:30:01 AM 961128 960824 49.99 89164 464332 658912 10.89 07:40:01 AM 973376 948576 49.35 90880 473084 600176 9.92 dmesg does not show any relevant information. I don't see any bottleneck in sar, any idea what can I check next? thank you very much

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  • task blocked for more than

    - by Manuel Sopena Ballesteros
    I have a webserver with the configuration below: VMWare ESXi environemt CPanel installed CentOS release 6.5 (Final) 4 CPUs 2G RAM 2x VM disks 100G each LVM system My issue is I am getting kernel panic quite frequently. These is a list of some processes blocked I could see from the console: mysqld queueprocd httpd suphp vmtoolsd loop0 auditd this is my sar logs Linux 2.6.32-431.3.1.el6.x86_64 (test01) 08/22/2014 _x86_64_ (4 CPU) 12:00:01 AM CPU %user %nice %system %iowait %steal %idle 12:10:01 AM all 26.86 0.01 0.98 0.57 0.00 71.57 12:20:01 AM all 1.78 0.02 1.03 0.08 0.00 97.09 12:30:01 AM all 26.34 0.02 0.85 0.05 0.00 72.74 12:40:01 AM all 27.12 0.01 1.11 1.22 0.00 70.54 12:50:01 AM all 1.59 0.02 0.94 0.13 0.00 97.32 01:00:01 AM all 26.10 0.01 0.77 0.04 0.00 73.07 01:10:01 AM all 27.51 0.01 1.16 0.14 0.00 71.18 01:20:01 AM all 1.80 0.07 1.06 0.08 0.00 96.99 01:30:01 AM all 26.19 0.01 0.78 0.05 0.00 72.96 01:40:01 AM all 26.62 0.02 0.87 0.05 0.00 72.45 01:50:02 AM all 1.35 0.01 0.87 0.02 0.00 97.75 02:00:01 AM all 26.11 0.02 0.69 0.02 0.00 73.17 02:10:01 AM all 26.73 0.02 0.89 0.14 0.00 72.21 02:20:01 AM all 1.45 0.01 0.92 0.04 0.00 97.58 02:30:01 AM all 26.59 0.01 1.06 0.03 0.00 72.31 02:40:01 AM all 26.27 0.01 0.72 0.05 0.00 72.95 02:50:01 AM all 0.86 0.01 0.50 0.09 0.00 98.53 03:00:01 AM all 25.61 0.02 0.39 0.03 0.00 73.96 03:10:01 AM all 26.30 0.08 0.66 0.14 0.00 72.82 03:20:01 AM all 0.81 0.01 0.51 0.04 0.00 98.63 03:30:02 AM all 26.15 0.02 0.53 0.07 0.00 73.24 03:40:01 AM all 26.06 0.01 0.47 0.04 0.00 73.42 03:50:01 AM all 0.96 0.02 0.51 0.03 0.00 98.48 Average: all 17.69 0.02 0.79 0.14 0.00 81.36 06:58:14 AM LINUX RESTART 07:00:01 AM CPU %user %nice %system %iowait %steal %idle 07:10:01 AM all 1.04 0.02 0.57 0.95 0.00 97.42 07:20:02 AM all 0.66 0.01 0.39 0.06 0.00 98.87 07:30:01 AM all 25.71 0.01 0.45 0.16 0.00 73.67 07:40:01 AM all 25.88 0.01 0.35 0.08 0.00 73.68 As you can see the server became unresponsive at 03.50 AM and I had to reset the VM at 06.58 AM to fix it. dmesg does not show any relevant information. I don't see any bottleneck in sar, any idea what can I check next? thank you very much

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  • Switching keyboard layout in Windows globally

    - by Manuel Faux
    I'm searching for a solution to switch my keyboard layout in Windows globally for all windows quickly. When I switch the current layout by pressing the magic combination Alt+Shift or when I choose another layout in the language bar, this only changes the layout in the current window.

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  • Why does my drive show as 180GB used, but copies only 40GB?

    - by Manuel
    My computer crashed, so I removed the drive (with Windows XP Professional 32-Bit) and put this drive in another computer running Windows 7 64-bit. Booting with Win7, when going to My Computer it is showing the XP drive as more than 180GB used. So as a quick backup, I'm trying to copy all the disk's content to a folder, but when I start copying, it's showing only 40 GB as the total size of the files to copy. I enabled showing system and hidden files in View options. What could be the problem?

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  • Website Reference about Server Placement

    - by Manuel Faux
    I have to do a student research project about "Server Placement in a Server Room". The paper should contain something like "place the racks about 3 meters away from any wall", "mind the maximum capacity load of the (false) floor" and other placement strategies. I have been searching for a while, but I did not find any reliable reference I can use in my work. Does anyone know some useful websites about server placement?

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  • lighttpd domains and url matching

    - by Manuel
    I'm trying to configure lighttpd so that: www.domain1.org/admin uses config1 any other URL on www.domain1.org uses config2 any url on www.domain2.org uses config2 So basically, domain1 and domain2 should use the same configuration except for when domain1 is accessed via an URL that starts with /admin I tried so far a number of variations, including this one: $HTTP["host"] =~ "domain1.org" { $HTTP["url"] =~ "^/admin" { // config1 alias.url = ("/media/admin" => "/usr/share...", "/static" => "/var/www/...") url.rewrite-once = ( "^(/media/admin.*)$" => "$1", "^(/static.*)$" => "$1", "^/favicon\.ico$" => "/media/favicon.ico", "^(/.*)$" => "/application.fcgi$1", ) server.document-root="/var/www/application" fastcgi.debug = 1 fastcgi.server = ( "/application.fcgi" => ( "main" => ( "socket" => "/var/www/application/application.sock", "check-local" => "disable", ) ), ) } else $HTTP["url"] !~ "^/admin" { // config2 } $HTTP["host"] !~ "domain1.org" { // config2 } But no matter what, accessing domain1.org/admin yields a 404. Is there anything that I am missing?

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  • Row concat from this query

    - by Álvaro G. Vicario
    I have this query: SELECT DISTINCT IM.EDIFICIOS_ID, TI.TITULAR FROM IMPORTACION IM INNER JOIN I_EDIFICIO IE ON IM.IMPORTACION_ID=IE.IMPORTACION_ID INNER JOIN I_EDIFICIO_TITULAR ET ON IM.IMPORTACION_ID=ET.IMPORTACION_ID AND IE.EDIFICIO_ID=ET.EDIFICIO_ID INNER JOIN I_TITULAR TI ON IM.IMPORTACION_ID=TI.IMPORTACION_ID AND ET.TITULAR_ID=TI.TITULAR_ID WHERE TI.TITULAR IS NOT NULL AND TI.TITULAR<>'' ORDER BY IM.EDIFICIOS_ID, TI.TITULAR; that returns this result set: EDIFICIOS_ID TITULAR ------------ ------------------ 1911 Ana María García 1911 Anselmo Piedrahita 1911 Manuel López 2594 Carlos Pérez 2594 Felisa García 6865 Carlos Pérez 6865 Felisa García 8428 Carlos Pérez I want to concatenate the values from TITULAR for each EDIFICIOS_ID, so I get this: EDIFICIOS_ID TITULAR ------------ ------------------ 1911 Ana María García; Anselmo Piedrahita; Manuel López 2594 Carlos Pérez; Felisa García 6865 Carlos Pérez; Felisa García 8428 Carlos Pérez I'm trying to use the FOR XML PATH trick. I've used it in the past but, since I can't really understand how it works, I can't figure out how to apply it to this specific case. Can you provide me with some ideas?

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  • Review of UPK Book

    - by ultan o'broin
    Better late than never, but my review of Dirk Manuel's UPK book was published in February. Oracle UPK - User Productivty Kit - is a cool tool for creating training material from the very environment users work in. An excellent accelerator to learning and reducing time spent reading manuals instead of productive activity! You can read more about UPK on the Oracle Web site.

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  • Motores tecnológicos para el crecimiento económico

    - by Fabian Gradolph
    Oracle ha participado hoy en el IV Curso de Verano AMETIC-UPM. La presentación a corrido a cargo de José Manuel Peláez, director de Preventa de Tecnología de Oracle Ibérica, quien ha hecho una completa revisión de cuáles son los impulsores actuales de la innvovación y del desarrollo en el entorno de las tecnologías, haciendo honor al título del curso:  Las TIC en el nuevo entorno socio-económico: Motores de la recuperación económica y el empleo. Peláez, en su presentación "De la tecnología a la innovación: impulsores de la actividad económica",  ha comenzado destacando la importancia estratégica que hoy en día tienen las tecnologías para cualquier modelo de negocio. No se trata ya de hacer frente a la crisis económica, que también, sino sobre todo de hacer frente a los desafíos presentes y futuros de las empresas. En este sentido, es esencial hacer frente a un reto: el alto coste que tiene para las organizaciones la complejidad de sus sistemas tecnológicos. Hay un ejemplo que Oracle utiliza con frecuencia. Si un coche se comprase del mismo modo en que las empresas adquieren los sistemas de información, compraríamos por un lado la carrocería, por otro lado el motor, las ventanas, el cambio de marchas, etc... y luego pasaríamos un tiempo muy interesante montándolo todo en casa. La pregunta clave es: ¿por qué no adquirir los sistemas de información ya preparados para funcionar, al igual que compramos un coche?. El sector TI, con Oracle a la cabeza, está dando uina respuesta adecuada con los sistemas de ingenería conjunta. Se trata de sistemas de hardware y software diseñados y concebidos de forma integrada que reducen considerablemente el tiempo necesario para la implementación, los costes de integración y los costes de energía y mantenimiento. La clave de esta forma de adquirir la tecnología, según ha explicado Peláez, es que al reducir la complejidad y los costes asociados, se están liberando recursos que pueden dedicarse a otras necesidades. Según los datos de Gartner, de la cantidad de recursos invertidos por las empresas en TI, el 63% se dedica a tareas de puro funcionamiento, es decir, a mantener el negocio en marcha. La parte de presupuesto que se dedica a crecimiento del negocio es el 21%, mientras que sólo un 16% se dedica a transformación, es decir, a innovación. Sólo mediante la utilización de tecnologías más eficientes -como los sistemas de ingeniería conjunta-, que lleven aparejados menores costes, es viable reducir ese 63% y dedicar más recursos al crecimiento y la innovación. Ahora bien, una vez liberados los recursos económicos, ¿hacia dónde habría que dirigir las inversiones en tecnología?. José Manuel Peláez ha destacado algunas áreas esenciales como son Big Data, Cloud Computing, los retos de la movilidad y la necesidad de mejorar la experiencia de los clientes, entre otros. Cada uno de estos aspectos lleva aparejados nuevos retos empresariales, pero sólo las empresas que sean capaces de integrarlos en su ADN e incorporarlos al corazón de su estrategia de negocio, podrán diferenciarse en el panorama competitivo del siglo XXI. Desde estas páginas los iremos desgranando poco a poco.

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  • CMake : système de compilation sort en version 3.0, nouveaux générateurs, variables, propriétés et meilleure gestion de la compilation croisée

    CMake 3 est maintenant disponible ! Découvrez les nouveautés du système de compilation multiplateforme Nouvelles pages de manuel, dont une pour Qt, nouveaux générateurs et de multiples autres apports CMake est un système de compilation et de construction de projets multiplateforme et Open Source. À l'aide d'un simple fichier CMakeLists.txt décrivant votre projet, CMake sera capable de le générer des fichiers pour votre EDI préférés. En résumé, il configure votre projet Visual Studio, Code::Blocks,...

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