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• Java Components Landing Page and Documentation Updates

  - by joni g.

  The new Java Components page provides access to the documentation for tools that are available for monitoring, managing, and testing Java applications. Documentation for the new versions of the following tools is available: JavaTest Harness 4.6. The JavaTest harness is a general purpose, fully-featured, flexible, and configurable test harness that is suited for most types of unit testing. See the JavaTest tab for documentation. SigTest 3.1. SigTest is a collection of tools that can be used to compare APIs and to measure the test coverage of an API. See the SigTest tab for documentation. The following tools are part of Oracle Java SE Advanced and Oracle Java SE Suite. Java Mission Control and Java Flight Control 5.4 are supported in JDK 8u20. Java Flight Recorder and Java Mission Control together create a complete tool chain to continuously collect low level and detailed runtime information enabling after-the-fact incident analysis. See the JMC tab for documentation. Advanced Management Console 1.0 is a new tool that is now available. AMC can be used to view information about the Java applets and Java Web Start applications running in your enterprise, and create deployment rules and rule sets to manage the execution of these applications. See the AMC tab for documentation. Usage Tracker tracks how Java Runtime Environments (JREs) are being used in your systems. See the Usage Tracker tab for documentation.

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• Load Testing Linux Virtual Server

  - by Anubhav Agarwal

  I have configured a Linux virtual network with following configuration 172.17.6.112- VIP 172.17.6.111- Linux Director | |----------172.17.6.113 --- Real Server 1 |----------172.17.6.114 --- Real Server 2 I am using direct routing technique. I am unable to test my LVS network. Are there some good scripts/softwares available for load testing. I am running apache2.0 service on them. I came across with testlvs on the internet but am unable to understand its documentation. Are there more simpler ones I want to test the response time of server using various scheduling algorithms .

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• problems with graphic performance in Ubuntu 12.04

  - by Falk

  in advance: my English is not perfect ;) processor: Intel® Core™2 Duo CPU E8500 @ 3.16GHz × 2 memory: 3,9 GiB graphics: GeForce GTX 460 Ubuntu 12.04 32-Bit fresh installed (previously 11.10 32-Bit) driver: NVIDIAs accelerated Driver (Version current-updates) probelm: In Ubuntu 12.04 I have problems with the performance of the graphics (games for example: Volley Brwawl, Neverball, Beep and Minecraft), and effects of windows (always at minimize, maximize...) There are laggs at animations, and the laggs in games are extremely annoying. Problems occur only in Ubuntu 12.04, everything was good in 11.10. No Problems with YouTube videos, HD videos. Is there a solution? BBecause I have found nothing here in the Forum and on Google. Or is an update coming soonfor driver or whatever? (This Bug is already registered in Launchpad.) Thank you!

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• Newly installed 12.04 on Radeon or NVIDIA type of gfx card?

  - by Falk

  I use a Nvidia Quadro NVS 290/PCIe/SSE2 at work with dual monitor setup. Since 11.10 things has gone downwards with performance. But now with 12.04 performance is even worse, and I can agree that the 290 is old and puny. So when I look what low profile cards I can get to my computer today, the choice it Radeon HD 6570 or NVIDIA Quadro 600. I have always used Nvidia on linux beq I think that historically their drivers worked better. But which one do you recommend today on 12.04 and Unity3d? -- Regards Falk

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• search nfs network volume from mac client

  - by user1440190

  Asked: how does a Mac OSX SL or Lion user search the cluster for a particular file (foo.txt) "From the cluster, you would need to run some form of recursive lookup for the file desired. As an example, using 'find'. RAM-1# find /ifs |grep test.txt /ifs/Elements/avid2test.txt /ifs/Elements/test.txt I would suggest contacting Apple support regarding their recommendation for searching for files on remote file systems from the Mac client itself" OK that's great, but I don't want users using CLI !!! Anyone know a good method (non-CLI)? Spotlight is not an option. BTW cluster is roughly 80TB

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• Restore files from certain increments using Duplicity

  - by luckytaxi

  Given the following backup sets ... Found primary backup chain with matching signature chain: ------------------------- Chain start time: Tue Jun 21 11:27:26 2011 Chain end time: Tue Jun 21 11:27:59 2011 Number of contained backup sets: 2 Total number of contained volumes: 2 Type of backup set: Time: Num volumes: Full Tue Jun 21 11:27:26 2011 1 Incremental Tue Jun 21 11:27:59 2011 1 If i run the following command, it works (1308655646 was converted from Tue Jun 21 11:27:26 2011): duplicity --no-encryption --restore-time 1308655646 --file-to-restore ORIG_FILE \ file:///storage/test/ restored-file.txt However, if I run the following command, it restores the from the latest set. duplicity --no-encryption --restore-time 2011-06-21T11:27:26 --file-to-restore \ ORIG_FILE file:///storage/test/ restored-file.txt What am I doing wrong w/ the time? I prefer the second option only because I don't want to have to do the conversion manually.

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• eepc 100h ubuntu 12.04 external monitor higher resolution modes force a rotated display

  - by Acky

  Hi I have a eeepc 1000h netbook. I've just installed ubuntu. I mainly use an external display (samsung ta350 full hd 22 inch affair) but when I select 1080 from the dropdown list, my only options are for a rotated portrait. My neck's non too supple, so tilting my head for extended periods is not really viable. :-) Any ideas on making ubuntu display 1080 normal landscape? It must surely be possible. My gparted boot cd does it perfectly. Any help greatly appreciated. Cheers!

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• Adventures in Lab Management Configuration: CMMI Edition Part 1 of 3

  - by Enrique Lima

  I remember at one point someone telling me how close Migrate was to Migraine. This was a process that included an environment from TFS 2008 to TFS 2010, needed to be migrated too as far as the process template goes.  Here we are talking about CMMI v4.2 to CMMI v5.0.  Now, the process to migrate the TFS Infrastructure is one thing, migrating the Process Template is a different deal, not hard … just involved. Followed a combination of steps that came from a blog post as the main guidance and then MSDN (as suggested on the guidance post) to complement some tasks and steps. Again, the focus I have here is CMMI. The high level steps taken to enable the TFS 2008 CMMI v4.2 migrated to TFS 2010 Process Template are: 1)  Backup the Collection, Configuration and Warehouse Databases. 2)  Downloaded the Process Template using Visual Studio 2010. 3) Exported, modified and imported Bug Type Definition 4) Exported, modified and imported Scenario or Requirement Type Definition. 5) Created and imported bug field mappings. Now, we can attempt to connect using Test Manager, and you should be able to get this going. After that was done, it was time to enroll VMs that already existed in the environment.  This was a bit more challenging, but in the end it was a matter of just analyzing the changes that had been made to had a temporary work around from the time we migrated to the time we converted the Work Items and such and added fields to enable communication between the project and the Test and Lab Manager component. There are 2 more parts to this post, the second will describe the detailed steps taken to complete the Process Template update and the third will talk about the gotchas and fixes for the Lab Management portion.

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• Ubuntu Wubi Booting Problem

  - by D3s7

  i have a problem with my Ubuntu 12.04 Wubi installation, sometimes when booting, the computer will get to the purple screen without the Ubuntu logo, then will go to a black screen and then lots of white saccaged colors will appear and i will be taken to the login page. But sometimes, it just get stuck on the black screen and does nothing and i have to hard shutdown and retry it until it works. What may cause this problem and why? I can shutdown correctly. Thanks for helping. Edit: RADEON HD 7650M Graphic card with latest available Drivers on amd's driver download site (fglrx drivers caused shutdown problems so i removed them). Screen resolution is 1600x900.

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• Internal HDs that don't contain the OS aren't accessable unless I try to manually browse them

  - by Hrafn

  So I have 4 internal hard drives, one that contains the OS (Ubuntu 12.04), all ext4. After starting the computer up, and without having tried to access the drives (File manager, terminal etc) it seems like the drives haven't been mounted. If I go into the "Disks" utility I see that the disks haven't been mounted. Programs that try to access the HD's during startup throw an error. For example my music player can't find the library, my note taking software can't find the database etc. But after opening the drive in a file manager everything works. I've checked SMART on all the disks and everything is a ok. Any and all ideas would be appreciated.

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• OPN Exchange @ OpenWorld - Don't Overlook TestFest!

  - by Get_Specialized!

  As part of the Oracle PartnerNetwork Exchange @ OpenWorld conference a “Test Fest” will be taking place from Monday, October 1st - Thursday, October 4th 2012 at the Marriott Marquis Hotel. Were you requested by management to get the most out of your OOW experience and expense?  Looking for something that will help you or a team member get approved by your management to attend this year? Seeking a way to justify having your technical expert out to OOW to help you close a deal?  Then take advantage of training available onsite for your staff or yourself during Oracle OpenWorld; no matter if you are primarily coming to staff a booth, present a session, meet with customers, or attend the OPN PartnerNetwork Exchange. With limited seating available, its adviseable to pre-register today to: Get recognized for your skills, with an OPN Specialist accreditation Take exams that are free of charge for Oracle PartnerNetwork Exchange attendees Help your company get Specialized in a higher level of the OPN Program Get a list of exams , study materials and pre-register using the Schedule Builder tool to reserve a seat in one of the 10 sessions offered on a first come, first serve basis. Remember upon arrival to the testing room, you will need to show proof of valid OPN Membership and have your valid Pearson Vue account ID. For any questions, email the OPN Communications team. Test Fest Schedule Date Session 1 Session 2 Session 3 Monday - October 1 10:30 AM - 12:30 PM 1:00 PM - 3:00 PM 3:30 PM - 5:30 PM Tuesday - October 2 10:00 AM - 12:00 PM 12:30 PM - 2:30 PM Wednesday - October 3 10:30 AM - 12:30PM 1:00 PM - 3:00 PM 3:30 PM - 5:30PM Thursday - October 4 11:00 AM - 1:00 PM 1:30 PM- 3:30 PM Look forward to meeting you at the Oracle PartnerNetwork Exchange

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• assistance recovering/reinstalling/installing ubuntu and win7

  - by razzrat

  New computer with Windows 7 installed, I defrag, shrink, re-boot from Ubuntu LiveUSB, go to gparted and look at partitions before installing Ubuntu....for some reason Win7 is still taking up 400G of my HD! I resized partition down with gparted, exit and yes of course I can't boot into Windows. When I go to install Ubuntu in new large unallocated space I get a blank screen at the point you are asked what kind of installation you want. I have Ubuntu 12.04 LiveUSB, Windows 7 re-installation disk and driver disks also. The HDD currently has 3 allocated partitions: 'diag' fat16, 'recovery' ntfs and 'OS' ntfs which has a red '!' next to it.

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• Adjust brightness and contrast?

  - by Anon58

  I have an acer aspire as5750. With the intel hd 3000 graphics. When i use the adjustment function keys the dial moves but it doesn't translate to the screen diming. Same with the dial in linux settings. Also in colour settings it seems there is no colour file or icc profile available for this laptop. Do you think if i can get a working icc profile then it will fix this or not? I have found something that could work:Argyll but it looks complicated to use, has anyone here used it? Would it allow me to dim? Or is there any other work around? I have searched lots but can't find a solution.

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• LPR command won't recognize CUPS printer

  - by Datapimp23

  I have a cups server with one shared printer configured on it. It prints test pages without problems. printername (Idle, Accepting Jobs, Shared) Description: desc Location: Driver: Zebra ZPL Label Printer (grayscale, 2-sided printing) Connection: socket://172.20.50.26 Defaults: job-sheets=none, none media=oe_w288h432_4x6in sides=one-sided This is the output from lpstat -t. it shows that the printer is idle and accepting requests admin@SERVER:~$ lpstat -t scheduler is running no system default destination device for printername: socket://172.20.50.26 printername accepting requests since Thu 26 Jan 2012 01:29:35 PM CET printer printername is idle. enabled since Thu 26 Jan 2012 01:29:35 PM CET Now when I want to send a printjob to it via an LPR command it won't recognize the printer /usr/bin/lpr -P printername test.pdf Result lpr: ttn_seg_zebra1: unknown printer What am I missing here ?

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• Testing DNS configuration of domain by using hosts file?

  - by Alex Blundell

  I'm currently migrating a website to another server, and want to test the DNS configuration (more specifically, email mx records) before moving the domain over. I've configured the DNS on the new server to have mx entries for Google Apps in the same way that it's configured on the old server. The domain is controlled by nameservers on the old server at the moment, so the change would simply be updating the nameservers to the new servers. (What I'm getting at is DNS is controlled at the server level, not registrar level). Since the website has quite a number of users, I want to make sure the configuration is right before flicking the switch. For this, can I add an entry to the hosts file of my local computer to point the domain to the new server? I've done this, and the web server works, but would this also test the email mx records on the new server?

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• How do you repair an "input/output error" in an NTFS partition?

  - by Calixte

  I replaced a buggy Windows Vista installation with Ubuntu. All works fine except that the mais harddrive where I had all my files are now inaccessible. Here is the eror message I get: Error mounting: mount exited with exit code 13: ntfs_attr_pread_i: ntfs_pread failed: Input/output error Failed to read NTFS $Bitmap: Input/output error NTFS is either inconsistent, or there is a hardware fault, or it's a SoftRAID/FakeRAID hardware. In the first case run chkdsk /f on Windows then reboot into Windows twice. The usage of the /f parameter is very important! If the device is a SoftRAID/FakeRAID then first activate it and mount a different device under the /dev/mapper/ directory, (e.g. /dev/mapper/nvidia_eahaabcc1). Please see the 'dmraid' documentation for more details Is it necessarily a hardware problem? If not, is there a way to repair the HD from Ubuntu?

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• Unable to start GRUB2 on Triple boot Macbook Pro with OS X Lion, Windows 7 and Ubuntu

  - by Shravan

  I installed Windows 7 using Bootcamp. Then I created a partition from the empty space in the Windows partition and another 4GB partition for the linux swap using GParted. I installed Ubuntu 12.04 LTS in the the newly created partition from the Windows partition. Now GRUB2 does not load and I can only see the blinking cursor on the top right when selecting "Windows HD" from the 'option' key at the start up. OS X works fine but nothing else. Could someone please help me fix this? I am attaching the boot-info from the boot-repair tool. http://paste.ubuntu.com/1040169/

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• XNA 2D Spritesheet drawing rendering problem

  - by user24092

  I'm making a tile-based game, using one spritesheet containing all tile graphics. Each tile has a size of 32x32 pixels. The main problem is: when I draw the tile to the screen, if the tile position x and y are not rounded or if scale is activated in spriteBatch.Draw() method (scale != 1.0f), I get some lines of adjacent tiles on the spritesheet into the current tile drawed. I already tried setting SamplerState to PointClamp, removing AntiAlias, but still doesn't work. Here I'll show images of some tests that I made, with a test sprite sheet that I've created (I made a 9x9 spritesheet, with each sprite of size 32x32 containing a unique solid color). Tests: http://img6.imageshack.us/img6/5946/testsqj.png SpriteSheet used: http://imageshack.us/a/img821/1341/tilesm.png Already tried to remove anti-alias, set PointClamp as sampler state, but still getting this issue, XNA keeps drawing part of the adjacent pixels of the texture on the screen. What I want is to get the correct area of the tilesheet texture (as seen in the first test, that gets just the yellow pixels). My question is: Is there any way that I can fix this, WITHOUT adding tile spacing or any other modification involving the tilesheet? Maybe disabling a texture filtering that is done by XNA, or something like that.

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• Is SSD TRIM support still automatic in 12.10?

  - by dam

  Folks I had automatic TRIM working on my laptop running Ubuntu Precise. As in the TRIM guide I added discard to mount options in /etc/fstab, and hdparm --read-sector read 0s immediately after a rm && sync. Using the very same hardware, laptop and SSD, TRIM seems no longer to be automatic after upgrading to Quantal. I recognise the test in the guide I mentioned above may not necessarily work. SSD erase blocks and all that. But Quantal is at least different. After deleting the file and syncing, its data are still on disk and unerased even after waiting several minutes. fstrim will then 0 the dead file's blocks. Once. Repeat the same test five minutes later, and fstrim does nothing. I figure this is probably really a kernel issue, but that box is too black for my spelunking torch. I'm prepared to believe that kernel 3.5 knows what I want better than I do, and all is well despite appearances, but it looks for all the world like TRIM isn't quite all there any more. Anybody have the scoop on TRIM in Quantal/kernel 3.5?

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• ubuntu 12.10 graphic does not works correctly

  - by Amin

  I have installed Ubuntu 12.10 but my graphic does not works correctly. I used this command to installation: sudo apt-get install fglrx fglrx-amdcccle fglrx-dev But after the restarting my system, the side panel and upper one does not appear any more! I guessed it maybe that I used some incompatible packages so I removed the graphic card driver by this command: sudo apt-get purge fglrx fglrx-amdcccle fglrx-dev and tried it from graphical way from system setting > Software Sources > Aditional drivers and choosed the second option then applied change. But the resault waas such as before way!! I belive it is because of the Ubuntu does not know my graphic card. I am using VAIO VPCEA2TGX (N/A) and my graphic cart version is Mobility Radeon HD 5400 Series if it is matter. So now what is the exact problem and what I have to solve this?

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• AMD control center doesn't save preferences

  - by Fault

  Everytime when I edit the monitor preferences in AMD to multi-monitor or to a multidesktop, when I press save or apply the program just closes with no errors and the preferences hasn't been saved. If I try to do it via the Displays app that is built-in in ubuntu 11.10 I get the following error: The selected configuration for displays could not be applied required virtual size does not fit available size: requested=(2560, 1024), minimum=(320, 200), maximum=(1280, 1280) I don't know if it helps but my graphics card is a ATI Radeon HD 4800 and my monitors are both 1280x1024. I'm running the proprietary driver without post-release updates because I always get an error trying to install that one.

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• crontab doesn't work on centos 6

  - by sbxmal

  /etc/crontab: SHELL=/bin/bash PATH=/sbin:/bin:/usr/sbin:/usr/bin MAILTO=root HOME=/ 01 * * * * root run-parts /etc/cron.hourly 02 4 * * * root run-parts /etc/cron.daily 22 4 * * 0 root run-parts /etc/cron.weekly 42 4 1 * * root run-parts /etc/cron.monthly */2 * * * * /usr/bin/php -q /home/dorsen/public_html/cron-test.php */2 * * * * http://www.mysiteurl.com/cron-test.php - also doesn't work If i run this file directly in browser - all fine What i did : root@vded10625 [~]# yum remove cronie-anacron .... Complete! root@vded10625 [~]# yum install cronie-noanacron sysstat .... Complete! root@vded10625 [~]# service crond start Starting crond: [ OK ] root@vded10625 [~]# chkconfig crond on root@vded10625 [~]# service crond restart Stopping crond: [ OK ] Starting crond: [ OK ] Will be pleased for any help

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• Unable to create a Windows 7 system image of a failing hard drive

  - by Rahul

  The hard disk of my one year old T400 Thinkpad has started failing periodic hardware tests. I get a "Targeted Read Test Failed" error. The "SMART short self test" times out. I am now trying to create a Windows 7 System image of the hard disk but it fails without giving any specific error messages. I tried using Comodo Backup but got an error (code 101117) there as well. I have copied the important files in Dropbox but would like to take a full System backup as I have plenty of software installed on the machine. Does anyone know why this is happening and how I can take a backup of the system image ?

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• curl XPUT returning HTTP 500 error message

  - by pradeepchhetri

  I have added the following changes in nginx configuration. server { listen 8080; root /usr/share/nginx/www; client_body_temp_path /tmp/; dav_methods PUT DELETE MKCOL COPY MOVE; create_full_put_path on; dav_access user:rw group:rw all:rw; } I have my nginx configured with --with-http_dav_module also. But when I am trying to running the command: $ curl -XPUT http://172.16.31.127:8080/test.html -d 'test' I am getting 500 Internal Server error. Can anyone help me out in solving this.

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• Testing performance from around the world - how do I get a linux shell easily in multiple countries?

  - by Matthew O'Riordan

  We are building a socket based service where latency is paramount, and as such we have servers distributed into 7 data centres around the world. However, whilst we know we're bringing the servers closer to the clients, it's very difficult to know how effective this is, and importantly, what difference this makes compared to our competitors. As such, we want to run simple scripts that test latency and throughput for both our service and our competitors, which is easy enough using Amazon, however Amazon only have 7 data centres. We would like to know for example how we perform in locations all over the world such as South Africa, Australia, China, Peru etc. Does anyone know of any service where we could piggy back off their global infrastructure and run some scripts to test this performance? The obvious contenders are people like Monitis, but I don't think they would allow us to run custom scripts, only standard protocol monitors. Thanks for your help. Matt

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