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• Oracle VM 3.1.1 build 365 released

  - by wcoekaer

  A few days ago we released a patch update for Oracle VM 3.1.1 (build 365). Oracle VM Manager 3.1.1 Build 365 is now available from My Oracle Support patch ID 14227416 Oracle VM Server 3.1.1 errata updates are, as usual, released on ULN in the ovm3_3.1.1_x86_64_patch channel. Just a reminder, when we publish errata for Oracle VM, the notifications are sent through the oraclevm-errata maillist. You can sign up here. Some of the bugfixes in 3.1.1 : 14054162 - Removes unnecessary locks when creating VNICs in a multi-threaded operation. 14111234 - Fixes the issue when discovering a virtual machine that has disks in a un-discovered repository or has un-discovered physical disks. 14054133 - Fixes a bug of object not found where vdisks are left stale in certain multi-thread operations. 14176607 - Fixes the issue where Oracle VM Manager would hang after a restart due to various tasks running jobs in the global context. 14136410 - Fixes the stale lock issue on multithreaded server where object not found error happens in some rare situations. 14186058 - Fixes the issue where Oracle VM Manager fails to discover the server or start the server after the server hardware configuration (i.e. BIOS) was modified. 14198734 - Fixes the issue where HTTP cannot be disabled. 14065401 - Fixes Oracle VM Manager UI time-out issue where the default value was not long enough for storage repository creation. 14163755 - Fixes the issue when migrating a virtual machine the list of target servers (and "other servers") was not ordered by name. 14163762 - Fixes the size of the "Edit Vlan Group" window to display all information correctly. 14197783 - Fixes the issue that navigation tree (servers) was not ordered by name. I strongly suggest everyone to use this latest build and also update the server to the latest version. have at it.

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• Setting up Cluster Configuration using an existing web server as a Primary Node?

  - by RapidWebs

  Thanks in advance for any help which is issued! I am having a slight issue, and need help with the decision making process when it comes to setting up my Cluster Configuration, consisting on a line of Ubuntu Servers (12.04). We currently have a Primary node, which resides in the US within a Datacenter, but we are going to be using this for all serious bandwidth and resource intensive websites, and through a configuration of Virtualmin + Webmin, will be setup as a sort of pseudo-cluster, using Virtualmins Cluster Modules. Anyways, on to the issue: We also have a business line setup locally, with three servers. here are their specs: Intel P4 2.4 ghz, 1GB Ram, 110 gb sata, Ubuntu 12.04* AMD 1.3 ghz, 512MB Ram, 20 GB IDE P3 Xeon 800mhz (dual physical processors), 1GB Ram, 3 * 25 GB Raid Configuration (one in use for host operating system). The first machine is currently IN USE and is serving virtual hosts off a sub-domain. My question is this: How can I integrate the Secondary node (which will be the Primary node per say, in this smaller configuration...) which is currently in use, into the cluster configuration w/ the other two servers for: Sharing Resources Redundancy (HA?) NFS /w the two Raid Disks without having the FORMAT the secondary node, and start fresh moving all my services in to a DRBD network drive or something similar, and than restoring all active virtualmin's Virtual hosts. the idea is that I want minimal downtime to people currently being served from server2.mywebsite.com, and from what I understand, all services need to be on a NFS so that they can be mounted on demand and accessed from the other machine taking over (i.e. Heartbeat + DRBD Config.) but my issue is that i already have all these services installed to their default directory structure: how can i most easily setup this NFS and HA system, move all my desires services to this new drive, and do it with minimal down time, and without breaking Virtualmin and everything else on my server? even just some pointers, a thread i could read, or a step by step check list or run down of commands i could issue to get started would be great! thanks!

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• Saving a compressed text attachment results in empty file

  - by Brandon

  I have a text document with compressed text in it, the text is auto generated by a program. The text document is fine on my machine (Vista 32-bit), and can be used normally. The other person can also create and use these files just fine. (XP 32-bit) However when I email it to someone else (Outlook 2003 on both machines) the attachment is sent fine (5kb) but when the other person tries to save it somewhere, the saved file is empty. (64b) At first I thought Outlook didn't like compressed text files (security risk maybe?), but I can receive the text files just fine. Is there a setting somewhere on the other persons machine that tells Outlook not to trust compressed text? Can anyone think of a reason why these files are being saved as empty text documents?

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• Ubuntu 12.04 64 bit "unable to find medium with live filesystem" AFTER normal install

  - by user88710

  So, I got a new computer (64 bit quad core yada yada). pulled my Ubuntu SSD drive from old machine, installed it into new machine. (my intention here is to have Ubuntu installed on the 120G SSD, Win7 on the main drive) downloaded 64 bit Ubuntu, burned it to a disk. rebooted with Live CD, installed Ubuntu to the SSD drive, had no problems rebooted again, got the grub menu, selected Ubuntu after a minute i got this - "unable to find medium with live filesystem" booting into windows, explorer doesnt even see the SSD. Device manager sees it though. I assume this is because its formatted with ext4. so, The liveCD saw the SSD just fine, installed fine, but when i try to boot ubuntu, i get the error above, heeellllpppp! UPDATE: small update. Windows did a software update that apparently wiped out my grub, so I guess grub was installed on the main drive. I reinstalled Ubuntu (again) on the SSD drive but, still no joy with booting from it. same error message as above.

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• Hyper-V management remotely

  - by Péter

  I'll tell you in advance that I'm newbie in the topic. I have a Win8 (Home) machine with Hyper-V installed behind a router. The router has a public IP and a domain attached. I have another Win8 (Work) machine also installed Hyper-V. I want to access to my home Hyper-V via Hyper-V Manager so I can manage my virtual machines from work. I found this article but I don't know if it's applicable to me. I thought that a simple port forwarding should work and I only need to do is grant the Work HV manager my domain and the port I choose and if it's pop a login form I only need to fill the user data of my Home computer? How can I solve this? My thoughts revolve around: - Port forwarding - set domain+port and set my home user - Set up a VPN and use the local ip address of my home computer (it looks like a little cumbersome and my router only support PPTP) I'm open to any other solution too. Thanks, Péter

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• Windows replacement for HAProxy

  - by GrayWizardx

  It does not appear that there is a similar question to this already posted, so I will go ahead and ask. I am working on a project that could benefit from having two - four servers handling incoming requests to a backend webservice. The service does not require SSL but does need to support occassional long running processes (upto 120 secs). This project does not at present have the funding to purchase a hardware load balancing solution. I have previously used HAProxy as a solution for this, and found it very simple and straightforward. Is there a similar product for windows (server 2003 or 2008) which provides similar configuration options and runs as a lightweight service? For reasons outside my control I cannot setup a Linux machine (physical or virtual) and so I am looking for behaviour that can be deployed on a windows machine. I can only find Perlbal which appears to fall into this category. So as not to keep this open indifenitely I will give credit to the only answer.

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• How do I keep multiple copies of Outlook in sync when using RPC over HTTP?

  - by Don

  I use Outlook 2007 at work with our Exchange 2003 server. I just setup my home system with Outlook 2007 so that I could use the RPC over HTTP to access Exchange without having to use a VPN. It works fine. I can get mail, send mail, etc. What it doesn't seem to be doing is staying in sync. For example, I read a few messages at home, moved them into different folders from the Inbox, etc. That all seemed fine. When I login to my work machine and look at the copy of Outlook there, the mail is still unread and nothing has been moved. Am I missing something simple here? I would have to assume that my home machine should be telling Exchange where these messages belong and that they've been read. Both machines are running Windows 7, if that matters. Ideas?

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• Cross-forest GPO between 2003 and 2008 Denied Beacuse it's "Inaccessible"

  - by j.rightly

  I have a two-way, non-transitive trust between two forests and domains, "W2003" and "W2008". In W2008 I have a GPO with user settings linked to a machine OU containing machine "Server". The GPO applies to Authenticated Users. Cross-forest loopback processing is enabled in merge mode. When I log onto Server as User (whose account exists in the W2003 domain), the GPO does not apply. I run RSoP and see that the GPO is "Denied" for the reason "Inaccessible." The GPO name is not listed, but the GUID is. I have checked the file-level permissions on the DC to ensure that User has access to read the GPO's folder and all its contents. What is going on?

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• Unable to boot fedora 11

  - by csunwold

  I have been running fedora 11 for several months without a hiccup, but two days ago I ran "yum update" and installed whatever updates were available (I didn't pay attention to what they were). I was having problems with mysql so I tried "yum remove mysql" and then it removed mysql as well as quite a few unexpected dependencies. I then "yum install mysql" without a hitch and went about my way. However, when I next booted up my machine it got to "Starting preload dameon [OK]" and then it hangs with a flashing cursor on the screen. I tried following http://dailypackage.fedorabook.com/i...ling-Grub.html but it didn't seem to make any difference. I put a new hard drive with WinXP on it into the same machine that I booted to, and I tried to use Ext2 Installable File System for Windows but when I run it, it only seems to see /boot and nothing else on the hard drive. Any ideas?

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• openvpn and virtualbox

  - by hyperboreean

  Hi guys, I have a linux machine on which I occasionally run Windows XP in Virtual Box. All runs wonderful, except for the openvpn in XP, which can't connect to the vpn server running on a remote machine. The vpn client works from linux ... as far as I read until now it seems to be a problem of port forwarding ... I keep getting this error: TCP/UDP: Incoming packet rejected from 10.0.2.2:1194, expected peer address: (allow this incoming source address/port by removing --remote or adding --float) , but have no idea how to fix it.

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• How do you apply development practices like version control, testing and continuous integration/deployment to system administration?

  - by arex1337

  Imagine you're going to manage a number of servers with a number of different services that's used by a number of people. Now say you want to reconfigure or replace some software on one of those servers. Obviously you don't want to work on servers that are in production. If this was a code change, as a developer, I would make the change on my local development machine, test it locally and commit the change to a version control system. The changes could then be deployed in a staging environment, tested further and finally deployed in a production environment. It would also be easy for me to roll back, if necessary. Generally, or specifically, how do you achieve this in system administration? (The first thing that comes to mind is to use virtual machines and put virtual machine images in version control, but I'm sure there is a lot of literature and clever solutions I'm not presently aware of.)

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• Why does the java -Xmx not working?

  - by Zenofo

  In my Ubuntu 11.10 VPS, Before I run the jar file: # free -m total used free shared buffers cached Mem: 256 5 250 0 0 0 -/+ buffers/cache: 5 250 Swap: 0 0 0 Run a jar file that limited to maximum of 32M memory: java -Xms8m -Xmx32m -jar ./my.jar Now the memory state as follows: # free -m total used free shared buffers cached Mem: 256 155 100 0 0 0 -/+ buffers/cache: 155 100 Swap: 0 0 0 This jar occupied 150M memory. And I can't run any other java command: # java -version Error occurred during initialization of VM Could not reserve enough space for object heap Could not create the Java virtual machine. # java -Xmx8m -version Error occurred during initialization of VM Could not reserve enough space for object heap Could not create the Java virtual machine. I want to know why the -Xmx parameter does not take effect? How can I limit the jar file using the memory?

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• Creating a vm using Hyper-V causes the host of BSOD

  - by Arcass

  Hi, Problem description: When I try to create a virtual machine, the host bsod part way through the process. From the logs in lookes to fail/hang on the "Creating new VirtualDisckDriver with new VHD" step. The BSOD error code is SYSTEM_SERVICE_EXCEPTION : STOP:0x0000003B When the machine has finished restarting, it looks to have created the vhd and XML files for the vm but it isn't accessable. I have two server bothing behaving in exactly the same way, so I don't believe it's a hardware fault. Has anyone had a similar experince? How did you resolve the problem? NOTES Hardware: HP DL380 G6 BIOS : 2010.03.30 (14 Apr 2010) [Latest from HP website] Inter Hyperthreading: Disabled Intel Virtuazation Technology : Enabled No-Execute Memory Protection: Enabled Mem check reports no errors OS: Windows 2008 Sp2 x64bit fully updated regards Arcass

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• MSDTC on server x is unavailable

  - by Fishcake

  I have Windows Server 2003 running in a virtual machine, running some software that is trying to update a database within transactions on my Windows 7 machine (the host for the VM). On my host I have edited the settings for Local DTC by selecting the following Client and Administration Allow Remote clients Allow Remote administration Transaction manager communication Allow inbound Allow outbound No authentication required However when I try to run the software I receive this error: MSDTC on server 'x' is unavailable. Whilst searching for fixes most just suggest making sure the service is running which I have. Cheers!

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• Where are Credentials stored for Network Drives on WinXP?

  - by Tom Tresansky

  I have a drive mapped to a folder on a remote machine that I connect to using the Cisco VPN client. The password to the Windows account I use on that remote machine has changed. I had stored the username/password locally, using Window's remember my password feature, so I wouldn't have to enter it every time (the enter user/password login dialog used to appear each time I attempted to open the remote folder, and I would have to look up and enter my credentials). The password to that remote Windows account has changed. Now, I am no longer prompted to enter a user name / password, but instead, upon trying to open the remote folder, receive a message: unknown user name or bad password. How do I view and change these stored credentials?

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• AMD FX 8350 potentially overheating

  - by rhughes

  I am worried that my CPU is overheating when running at maximum capacity. I have not overclocked the machine. The machine often powers down after a couple of minutes of max CPU usage. I get the following events in the Event Log after the crash: Log Name: System Source: Microsoft-Windows-Kernel-Power Date: 11/10/2013 12:05:40 Event ID: 41 Task Category: (63) Level: Critical Keywords: (2) User: SYSTEM Computer: home-pc Description: The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly. What can I do to confirm this or further narrow down this issue? Due to the sudden nature of the crash, no MEMORY.DMP is created I believe. I am happy to post any extra information that is needed.

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• Cached Network Share Credentials?

  - by Brian Wolfe

  Hi, I have an issue in Windows 7 where I get the following error message when attempting to access an admin network share on a machine in another domain: "Multiple connections to a server or shared resource by the same user, using more than one user name, are not allowed. Disconnect all previous connections to the server or shared resource and try again." Troubleshooting I've Done Start Run cmd net use * /DELETE Start Manage Windows Credentials Deleted all credentials I still receive the same error until I reboot my machine. After I reboot, it works fine. However, I am able to log into the admin share if I hit it by it's IP address. QUESTION My question is, is there somewhere else I should be looking for cached user credentials? Thanks, Brian

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• Easily tell if focused on VirtualBox window?

  - by Benjamin Oakes

  Is there a way to make it very obvious that my VirtualBox window isn't in focus? The problem I'm having is switching between workspaces on Ubuntu or OS X and then trying to type in my Windows virtual machine, only to find that it's not in focus. The Windows window looks like it's in focus (based on the title bar), but I'm actually typing in Firefox on the host machine, for example. It's even worse because the Windows text insertion cursor is blinking to show focus. Ideally, I'd like the VM's display to get unsaturated (e.g. a "partial" grayscale) when not in focus, just to prevent this keyboard-focus problem. Other options would be fine too, as long as I don't have to second guess where my focus is. I'm not using the seamless mode -- the display is all within a window.

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• SSH tunneling and NAT

  - by thonixx

  I have a virtual machine with an internal IP address and a running mailserver with IMAP/POP3/SMTP. Everything works fine except: When I do an SSH tunnel to the guest server and want to connect to the mailserver with mail.*. then it does not work. There is a connection timeout. But If i connect to the internal IP 192.168..* then it works. So what can I do to enable the access from the domain name to the virtual machine with SSH tunneling?

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• Unlock file on Windows Server 2003 by remote desktop without rebooting

  - by BalusC

  We've several Windows Server 2003 machines running, each with its own purposes. There are scheduled jobs which synchronizes some files over SFTP using WinSCP. Very sometimes a newly copied file is left locked in the "inbox" folder without any reason. The machine's own background task (programmed in Java) can't move it to the "processed" folder anymore after processing it. Manually moving it only yields the well known error message Cannot move [filename]: it is being used by another person or program. The only resort is to reboot the machine, but we would of course like to avoid that. Any suggestions? I tried Unlocker which works fine locally at WinXP, but doesn't work at those Win2K3 machines by remote desktop (unlock option doesn't show up in rightclick context menu). I tried Process Explorer as well as described in this blog article, but it caused the server to crash (not sure if that's because it's executed through remote desktop).

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• EMEA Engineered Systems Partner Update Call&ndash;October 30th 2013

  - by JuergenKress

  EMEA Engineered Systems Partner Update Call: Engineered Systems (Including Exalogic) updates from Oracle OpenWorld on 30th October, 2013 at 15:00 CET (UTC/GMT +1 Hour) We are pleased to invite you to the next Webcast from our Engineered Systems Partner Update Series. This time it will be all around "Engineered Systems updates from Oracle OpenWorld – all the news from Exalogic included" on Wednesday 30th October, 2013 at 15:00 CET (UTC/GMT +1 Hour). One more year, San Francisco hosted the Oracle OpenWorld, in the month of September. Every year, thousands of partners and customers attend this event to discover new products and solutions, improve their technical proficiency and knowledge, learn tips and tricks for currently installed products and understand where the industry is headed. In case you could not make it to San Francisco this time, we want to provide you with the key updates announced at Oracle OpenWorld around Engineered Systems. Please mark your diaries. You can also attend Larry’s keynote around the Oracle Database 12c In-Memory Database and M6 Big Memory Machine and many more on the Oracle OpenWorld On Demand website. Agenda: Overview of latest Engineered Systems including Exalogic and how Oracle Fusion Middleware performs on the machine How to articulate their value to customers Webcast Joining details: To Join the webcast CLICK HERE For audio reception please use the following details: Global Dial-in Numbers Session/Conference ID: 595 534 979 Password: 12385 WebLogic Partner Community For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Wiki Technorati Tags: Engineered Systems,Exalogic,OOW,Oracle OpenWorld,WebLogic,WebLogic Community,Oracle,OPN,Jürgen Kress

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• /etc/profile.d and "ssh -t"

  - by petersohn

  I wanted to run a script on a remote machine. The simple solution is this: ssh remote1 some-script This works until the remote script doesn't want to connect to another remote machine (remote2) which requires interactive authentication, like tis one (remote2 is only reachable through remote1 in this case): ssh remote1 "ssh remote2 some-script" The solution for the problem is to use the -t option for ssh. ssh -t remote1 "ssh remote2 some-script" This works, but I get probems in case I use this (where some-script may execute further ssh commands): ssh -t remote1 some-script I found that some environment variables are not set which are set when I don't use the -t option. These envrionment variables are set in scripts from /etc/profile.d. I guess that these scripts are not run for some reason if using the -t option, but are run if I don't use it. What's the reason of this? Is there any way to work around it? I am using SUSE linux (version 10).

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• keymapping when ssh-ing from mac to linux

  - by Yair

  I'm using Lion to ssh -X to a linux machine and work on some code thats located on it. I open up an editor on the remote machine (usually matlab) and program on it. My problem is that in the linux there is no concept of the command key. So if I want to copy some text from a local window to the editor that runs on the remote, I need to to command-c to copy, and then control-v to paste. This obviously drives me nuts. I was wondering if there is a way to change the keymapping such that the command key will be recognized as a control key on the remote processes. Or is this something I need to change on my local (mac) X configuration?

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• Forwarding emails to nonexisting users/aliases to external mail server

  - by Niclas Lindqvist

  I'm in the works of installing a postfix mailserver on a machine currently being used as web server. As of right now, I've got it working as far as that I can send and receive emails using telnet through port 25. However, as my customer is concerned with downtime, I'd like to setup all the accounts one by one over time, and making sure it works, rather than just cutting the cord to the old mail server and start creating new accounts on the new system. How can I add the domain customer.com to my mail server and just add something like [email protected] to the users and aliases-lists without the web server trying to send all emails with the @customer.com domain to the new mail server? I'm running ubuntu, using postfix and postfix-mysql on the new machine, the old mail server is on a hosted environment somewhere else, where I don't have any control.

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• Ubuntu 12.04LTS stuck at login mouse and keyboard not responding

  - by user169954

  I have Ubuntu 12.04LTS installed on a dual-booted machine (i5 dual core 8G ram) and it's been working fine, but today for some reason when I logged out and tried to log back in it is stuck at the login page, i.e. the mouse and the keyboard are not responding. The mouse is stuck at the top left corner of my screen, and I can do nothing but to turn the machine off. (I have been using logitech wireless mouse and keyboard.) I can not access the virtual console (Alt-F1 or Cntrl-Alt-F1) either! Here is what I have tried so far: Verified it is not a H/W problem since the mouse and keyboard work fine with windows7 Booted with ubuntu installation dvd and ran trial mode and mouse and keyboard worked fine. Tried bypassing the login screen by booting into recovery mode and editing tty1.conf, but to no avail. I moved .Xauthority .profile and .bashrc from my $HOME to another location so my login would proceed completely by system defaults. But this did not help From recovery mode commandline used to dpkg-reconfigure to switch between gdm and lightgdm. This did not help either. By the way, when in recovery mode as root from command line I mount the filesystem, all apps work fine. Python is Ok, octave is ok, vi is ok etc. I have a feeling if I could only bypass the login screen, and automatically get into the desktop, I will be ok. But I haven't been able to accomplish this either. I desperately need help please. Thank you in advance. Update: So I tried to switch to lightdm by dpkg-configure lightdm. This at least brings me up to the classical linux commandline login prompt but without a gui. Should I install startx? Should I install ubuntu-desktop?

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