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• update-manager crashes Ubuntu 12.04

  - by user205450

  The update-manager crashes with the following error frank@darkstar2:~$ update-manager Traceback (most recent call last): File "/usr/bin/update-manager", line 33, in <module> from UpdateManager.UpdateManager import UpdateManager File "/usr/lib/python2.7/dist-packages/UpdateManager/UpdateManager.py", line 72, in <module> from Core.MyCache import MyCache File "/usr/lib/python2.7/dist-packages/UpdateManager/Core/MyCache.py", line 34, in <module> import DistUpgrade.DistUpgradeCache File "/usr/lib/python2.7/dist-packages/DistUpgrade/DistUpgradeCache.py", line 60, in <module> KERNEL_INITRD_SIZE = _set_kernel_initrd_size() File "/usr/lib/python2.7/dist-packages/DistUpgrade/DistUpgradeCache.py", line 53, in _set_kernel_initrd_size size = estimate_kernel_size_in_boot() File "/usr/lib/python2.7/dist-packages/DistUpgrade/utils.py", line 74, in estimate_kernel_size_in_boot size += os.path.getsize(f) File "/usr/lib/python2.7/genericpath.py", line 49, in getsize return os.stat(filename).st_size OSError: [Errno 5] Input/output error: '/boot/abi-3.2.0-54-generic' I am not sure how to read the error but it seems there is some error in file size. How do I fix it.

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• Install and upgrade strategies for Oracle Enterprise Manager 12c - Upcoming Webcasts with live demos

  - by Anand Akela

  At Oracle Open World 2011, we launched the Oracle Enterprise Manager 12c , the only complete cloud management solution for your enterprise cloud. With the new release of Oracle Enterprise Manager Cloud Control 12c, the installation and upgrade process has been enhanced to provide a fast and smooth install experience. In the upcoming webcasts, Oracle Enterprise Manager experts will discuss the installation and upgrade strategies for Oracle Enterprise Manager Cloud Control 12c . These webcasts will include live demonstrations of the install and upgrade processes. In the Webcast on November 17th, we will cover the installation steps and provide recommendations to setup a new Oracle Enterprise Manager Cloud Control 12c environment. We'll also provide a live demonstration of the complete installation process.   Upgrading your Oracle Enterprise Manager environment can be a challenging and complex task especially with large environments consisting of hundreds or thousands of targets. In the webcast on November 18th, we'll describe key facts that administrators must know before upgrading their Enterprise Manager system as well as introduce the different approaches for an upgrade. We'll also walk you through the key steps for upgrading an existing Enterprise Manager 11g (or 10g) Grid Control to Oracle Enterprise Manager Cloud Control 12c. In addition to the live webcasts on Oracle Enterprise Manager Cloud Control 12c install and upgrade processes, please consider attending the replay of  Oracle Enterprise Manager Ops Center webcast with live Q&A . Schedule and registration links of upcoming webcasts  :- Topics Schedule Oracle Enterprise Manager Ops Center: Global Systems Management Made Easy (Replay) November 17 10 a.m PT December 1 10 a.m PT Oracle Enterprise Manager Cloud Control 12c Installation Overview November 17 8 a.m PT Upgrade Smoothly to Oracle Enterprise Manager Cloud Control 12c November 18 8 a.m PT For more information, please go to Oracle Enterprise Manager  web page or  follow us at :  Twitter   Facebook YouTube Linkedin

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• How to install an alternative display manager?

  - by Mnementh

  I want to replace gdm with another display manager. I did 'aptitude install slim' (tried also xdm) and got a possibility to configure which display manager should be used. But after the reboot the display manager didn't got started. The Ubuntu-logo with the points simulating a progress goes on and on. If I press ESC, I can see, that slim (or xdm) was started, but I cannot see any login-screen. How can I use these alternative display managers? I use Ubuntu 10.10.

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• Configuration of the network manager via DBus: how to set the ad hoc mode

  - by Andrea

  I have an hard nut to crack: a nice bottle of italian Chianti wine to the solver! :) To automatically configure Wifi, I first have to kill the network manager and than activate the wifi via the commandline: I do this all automatically in my application and works great. However... it is not the right way to do this. As the user has no network gui anymore to configure some other network access. A much better and transparent way would be to configure wifi directly via network manager over the DBus interface. I was able to configure it, but I wasn't able to set it to ad hoc mode... Searching the web for a while: a lot about configuration in general but nothing related to ad hoc mode. I think the only way to do figure that out is to look into the source code of the network manager...maybe someone already did it and he can answer.

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• Update Manager error 12.04

  - by Shannon Marisa

  I'm using Ubuntu 12.04. When attempting to run my Update Manager, it doesn't allow any of the updates to be loaded. Under "details" all it says is "patch". It won't even load anything when the Partial Upgrade option comes up. I thought that this Error in Update Manager would help me, but when I followed the instruction and looked for the "PUBKEY" in Terminal, there was none, it said "BADSIG" and "failed to fetch 11.10" instead and my Update Manager still doesn't update anything. I'm still new to the finer points of Ubuntu and could really use some advice. Did I do something wrong? Or I need to do a fresh install?

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• Lubuntu: How do I autostart xfce4 power manager?

  - by user203766

  I just upgraded my 64 bit Lubuntu to 13.10 on my netbook today. After the upgrade, I simply can't autostart the xfce4 power manager. I tried to add from the desktop session settings, I tried to copy the power manager.desktop file to ~/.config/autostart folder. Everything looks fine. Then I logout, log back in and the darn power manager just won't start automatically. It only starts when I double click the icon, or if I start it from the terminal.

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• Use a Free Utility to Create Multiple Virtual Desktops in Windows

  - by Lori Kaufman

  If you’ve used Linux, you’re probably familiar with the virtual desktop feature. It provides a convenient way to organize programs and folders open on your desktop. You can switch among multiple desktops and have different programs and folders open on each one. However, virtual desktops is a feature missing in Windows. There are many third-party options for adding virtual desktops to Windows, including one called Dexpot, which we have covered previously. Dexpot is free, but only for private use. Companies, public institutions, non-profit organizations, and even freelancers and self-employed people must buy the program. We found another virtual desktop tool that is completely free for everyone to use, called mDesktop. It’s a lightweight, open source program that allows you to switch among multiple desktops using hot keys and specify open programs or folders to be active on all desktops. You can use mDesktop to group related programs or to work on different projects on separate desktops. mDesktop is portable and does not need to be installed. Simply extract the .zip file you downloaded (see the link at the end of this article) and double-click the mDesktop.exe file. How To Boot Your Android Phone or Tablet Into Safe Mode HTG Explains: Does Your Android Phone Need an Antivirus? How To Use USB Drives With the Nexus 7 and Other Android Devices

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• How can I fix my Virtual PC 2007 network configuration

  - by DanJ

  Hi, I have installed Windows Virtual PC 2007 on my Windows 2003 R2 Server. I have installed a virtual Windows XP. I have configured the virtual PC to use Shared Networking (NAT) I have disabled the firewall on the virtual windows XP The problem: I am unable to PING from Windows 2003 (the host) to the Windows XP (virtual) I do have normal traffic from the virtual to the internet Could this problem be related to routing? How I can I fix this network configuration to allow for the following traffic: 1. From Virtual to Internet 2. From Host to Virtual 3. If possible, from Internet to Virtual on pre-defined ports (port forwarding?) Thanks

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• Using a GoDaddy SSL certificate with Virtualmin (Webmin)

  - by Kevin

  A client of mine decided to go ahead and move from a self-signed certificate to a commercial one ("GoDaddy Standard SSL"). The first service I wanted to move to the commercial SSL cert was Webmin/Usermin... However, upon migrating to the new SSL cert and restarting Webmin, I got the following error: [21/Oct/2012:13:12:47 -0400] Restarting Failed to open SSL cert /etc/webmin/miniserv.cert at /usr/share/webmin/miniserv.pl line 4229. Error: Webmin server did not write new PID file And that's all it says. Here's Webmin's config file (/etc/webmin/miniserv.conf): port=10000 root=/usr/share/webmin mimetypes=/usr/share/webmin/mime.types addtype_cgi=internal/cgi realm=Webmin Server logfile=/var/webmin/miniserv.log errorlog=/var/webmin/miniserv.error pidfile=/var/webmin/miniserv.pid logtime=168 ppath= ssl=0 env_WEBMIN_CONFIG=/etc/webmin env_WEBMIN_VAR=/var/webmin atboot=1 logout=/etc/webmin/logout-flag listen=10000 denyfile=\.pl$ log=1 blockhost_failures=5 blockhost_time=60 syslog=1 session=1 server=MiniServ/1.600 userfile=/etc/webmin/miniserv.users keyfile=/etc/webmin/miniserv.pem passwd_file=/etc/shadow passwd_uindex=0 passwd_pindex=1 passwd_cindex=2 passwd_mindex=4 passwd_mode=0 preroot=virtual-server-theme passdelay=1 sudo=1 sessiononly=/virtual-server/remote.cgi preload=virtual-server=virtual-server/virtual-server-lib-funcs.pl virtual-server=virtual-server/feature-unix.pl virtual-server=virtual-server/feature-dir.pl virtual-server=virtual-server/feature-dns.pl virtual-server=virtual-server/feature-mail.pl virtual-server=virtual-server/feature-web.pl virtual-server=virtual-server/feature-webalizer.pl virtual-server=virtual-server/feature-ssl.pl virtual-server=virtual-server/feature-logrotate.pl virtual-server=virtual-server/feature-mysql.pl virtual-server=virtual-server/feature-postgres.pl virtual-server=virtual-server/feature-ftp.pl virtual-server=virtual-server/feature-spam.pl virtual-server=virtual-server/feature-virus.pl virtual-server=virtual-server/feature-webmin.pl virtual-server=virtual-server/feature-virt.pl virtual-server=virtual-server/feature-virt6.pl anonymous=/virtualmin-mailman/unauthenticated=anonymous premodules=WebminCore logouttimes= extracas=/etc/webmin/miniserv.chain certfile=/etc/webmin/miniserv.cert ssl_redirect=0 Here is a screen shot of the Webmin SSL config screen as well, for what it's worth: http://postimage.org/image/r472go7tf/ Edited Mon Oct 22 10:45:24 CDT 2012: When running the command openssl x509 -noout -text -in /etc/webmin/miniserv.cert as Falcon Momot suggested, I get the following error: unable to load certificate 139760808240800:error:0906D06C:PEM routines:PEM_read_bio:no start line:pem_lib.c:696:Expecting: TRUSTED CERTIFICATE

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• Software center and update manager not working

  - by lmnop

  When I run update manager I always get this message "The action would require the installation of packages from not authenticated sources." details "libv4l-0 libv4lconvert0" I also can not get the software center to install anything. I get an error message telling me to check my internet connection but I am connected to the internet, shortly after I get an error message just like the one I get from update manager. How do I fix this?

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• update manager - insufficient storage space (false alarm)

  - by itsols

  I'm trying to run Update Manager but it keeps reporting that there's not enough space. Here's the screenshot: I ran sudo apt-get update && sudo apt-get upgrade from the terminal but still update manager says that there are updates and I cannot seem to get pass this message. I have even removed many programs from my system and there is supposed to be at least 6GB of disk space free. What can I do?

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• VSS Post Backup failures for Virtual Server 2005 R2 SP1 virtual machines

  - by califguy4christ

  We've been seeing strange errors with Volume Shadow Copy services on our Virtual Server 2005 R2 SP1 host. It appears to be failing on a strange mountpoint in the C:\WINDOWS\Temp\ folders, which I believe is used by VSS to mount a writeable image file. To summarize: The Microsoft Virtual Server 2005 Writer continually goes into a failed retryable state The Virtual Server log reports errors during the Post Backup phase VSS reports errors backing up a mount point of unknown origins The mount point causes NTFS and ftdisk errors The host is x86 Windows Server 2003 Standard, SP2. The virtual machine is the same. Both use basic disks. Here is the writer state: Writer name: 'Microsoft Virtual Server 2005 Writer' Writer Id: {76afb926-87ad-4a20-a50f-cdc69412ddfc} Writer Instance Id: {78df98e2-bf19-4804-890b-15865efef3bd} State: [11] Failed Last error: Retryable error From the Virtual Server log: Virtual Server - Vss Writer - Event ID: 1035: The VSS writer for Virtual Server failed during the PostBackup phase. The guest shadow copies did not get exposed on the host machine, after mounting all the virtual hard disks of the virtual machine VMACHINE. From the Application log: VSS - None - Event ID: 12290: Volume Shadow Copy Service warning: GetVolumeInformationW( \\?\Volume{fb84bae7-87f5-11dd-9832-001cc4961ca6}\,NULL,0, NULL,NULL,[0x00000000], , 260) == 0x0000045d. hr = 0x00000000. From the System log: Ntfs - Disk - Event ID: 55: The file system structure on the disk is corrupt and unusable. Please run the chkdsk utility on the volume C:\WINDOWS\Temp\ {fb84bae7-87f5-11dd-9832-001cc49.... My current theory is that VSS creates a mount point for an image file of the VHD, then the software panics for some reason, leaving everything in an inconsistent state. Removing the mount point doesn't resolve the problem. All of the other disks check out fine with CHKDSK. There's no exclusion option for VHDs or to turn off online backups. Has anyone seen this kind of thing before or point me in the right direction for getting more information about the mount point and it's origins? I haven't been able to trace what application is creating that mount point.

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• Move "XP Mode" from Windows Virtual PC to VirtualBox?

  - by JoelFan

  I installed "XP Mode" in Windows 7 (which uses Windows Virtual PC to host XP). I have now discovered that VirtualBox, which I have installed on the same Windows 7 machine, refuses to run at the same time as Windows Virtual PC (it gives me an error about not running multiple visualization programs). Is there any way I can convert the "XP Mode" image so that it will run inside VirtualBox instead of Windows Virtual PC? That way I will be able to run XP as well as other VM's at the same time.

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• How to talk to a virtual host on a guest OS?

  - by Bernd

  Let's say there is a host OS (Mac OS X) and a virtual machine running Ubuntu as guest OS. The guest OS has the IP 192.186.56.101 and some virtual hosts, e.g. ubuntu.server So, how to really map a request to the virtual host ubuntu.server on the guest OS? I tried: Configure the host OS in /etc/hosts to map ubuntu.server to 192.186.56.101 On the guest OS we have the trouble. It accepts the request for 192.186.56.101 which is not ubuntu.server and therefor the ubuntu.server virtual host will never be requested. Just the localhost on the guest OS. It might surely be possible to simply then use 192.168.56.101. But this would only work for one host per guest OS. Any idea? Or is there a bug in my train of thoughts?

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• How do I install and use Window Virtual PC in Windows 8?

  - by KronoS

  I really like the integrated Virtual Machine that Windows had built-in with Windows 7 with Windows Virtual PC. I'm looking to install that again. I'd like to be able to install multiple machines as I did before (XP, Ubuntu, Etc,.) but I can't seem to find Windows Virtual PC for Windows 8 any more. Is it still available?, and if not was there something setup in place to replace it? How do I use it?

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• How to hide a program that is running on a virtual machine?

  - by Femto Trader

  Some softwares contain tests to see if they are running on a virtual machine. It's very unpleasant to see alert messages such as "Sorry, this application cannot run under a Virtual Machine." and have your software stopped! There is a lot of legal reasons to override such tests. Moreover such limitations are (most of the time) not written in User License Agreement. So... how to hide a program that is running on a virtual machine? I'm using a Virtual Private Server (VPS) with Hyper-V... I'm administrator of the Operating System (Windows 2003) installed on this VPS, not administrator of Hyper-V.

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• Config import on network-manager-openvpn

  - by Toki Tahmid

  I'm trying to use a free service using the OpenVPN protocol using OpenVPN's GUI module in the network manager. The config worked perfectly well as .ovpn on Windows. The behavior in Windows is such that I ran OpenVPN GUI and chose to connect to this particular VPN. It would then show the activity in the attempt to connect and opens a dialog box for username/password authentication. I've successfully imported all the configurations by changing the file type to .conf and using the import feature in network manager. However, attempting to connect would simply display the network manager's attempting to connect animation, but ultimately end with a notification of connection timing out. No prompt asking for authentication would appear at all, nor can I find any feature to prefix the authentication details. client dev tun proto tcp remote miami.proxpn.com 443 resolv-retry infinite nobind persist-key persist-tun ca ca.crt cert client.crt key client.key cipher BF-CBC keysize 512 comp-lzo verb 4 mute 5 tun-mtu 1500 mssfix 1450 auth-user-pass reneg-sec 0 # If you are connecting through an # HTTP proxy to reach the actual OpenVPN # server, put the proxy server/IP and # port number here. See the man page # if your proxy server requires # authentication. ;http-proxy-retry # retry on connection failures ;http-proxy [proxy server] [proxy port #] Needless to say, but I've downloaded all the required packages for setting up OpenVPN connections. By the way, as you can see above, .key and .crt files location are specified to be in the same directory as the config file. After importing the config file, if were to remove them, would it cause any problem? Note, I haven't removed them, so the problem I'm facing is not due to the absence of these files.

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• Update Manager won't open (error related to pythonverbose)

  - by Mateus Machado Luna

  I'm having an issue with update-manager. Last night, my computer restart suddenly during the update process. Now it won't open and it keep appearing on the notifier with a message warning that an error occurred. The error is the same that is displayed when I try to open it on the terminal: Error in sitecustomize; set PYTHONVERBOSE for traceback: EOFError: EOF read where not expected Traceback (most recent call last): File "/usr/bin/update-manager", line 26, in <module> from __future__ import print_function EOFError: EOF read where not expected I've already seen some questions here, but most of them are related to problems with ppas and the source.list file. This seems to be a bug on update-manager itself. I've already tried to remove it and install again, but the problem persists. I also noted another bug: my source-center doesn't open too. The message for it is similar to the other one: Error in sitecustomize; set PYTHONVERBOSE for traceback: EOFError: EOF read where not expected Traceback (most recent call last): File "/usr/lib/command-not-found", line 5, in <module> from __future__ import absolute_import, print_function EOFError: EOF read where not expected For now I'm using apt-get update && upgrade for updating and the Synaptic for the source management. But I really would like to fix this stuff. Anyone can help? I'm with Ubuntu 12.10, Gnome-remix, 64-bits.

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• Enterprise Manager Grid Control licencelése

  - by Lajos Sárecz

  Gyakran kapok kérdéseket az Oracle Enterprise Manager Grid Control licencelésével kapcsolatban, ezért az alábbiakban igyekszem összefoglalni a legfontosabb információkat. Az alábbi ismerteto nem teljes köru, mivel számos olyan termék van (Data Masking, Real Application Testing, Real User Experience Insight, Application Testing Suite), melyek kapcsolódnak az Enterprise Manager-hez, azonban licencelésük másképp muködik. Az Enterprise Manager licenceléssel kapcsolatban az elsodleges információ forrás a Licensing Information doksi. A legfontosabb információk: - A Grid Control keretrendszer (Agent-ek és a konzol az alapfunkciókkal - lásd késobb) önmagában ingyenes, sot restricted-use licencet tartalmaz Oracle Database-re, amennyiben azt csak az Oracle Management Repository céljára használják. Fontos, hogy ez nem tartalmaz egyéb Oracle Database opciókat, mint például a RAC! Hasonlóképpen az Oracle WebLogic Server is kizárólagosan az Oracle Management Server kiszolgálására használható ingyenesen, de fürtözés nélkül. - A Grid Control alapfunkcionalitása: Discovery, Groups, Job Scheduling, Real time availability, Performance & monitoring, Target Home Pages, Administration, Console alerts - Az alapfunkcionalitás felügyelt termékektol függoen bovítheto Management Pack, Plug-in és Connector termékekkel. Alapvetoen ezek licencelése mindig a monitorozott, felügyelt termék licenceléséhez kell, hogy igazodjon. Tehát például ha 2 adatbázis szerverre szeretnénk Diagnostic Pack-ek használni, akkor mindkettore kell CPU vagy NUP (Named User Plus) licencet vásárolni, attól függoen az adatbázis maga milyen licenccel rendelkezik. Megjegyzem ezt a konkrét Management Pack-ek kizárólag Enterprise Edition Database esetén lehet alkalmazni. - Számos fizetos funkció külön telepítés nélkül is elérheto a Grid Control felületén (ugyanez igaz Database Control-ra és Fusion Middleware Control-ra is). Hogy elkerüljük a licenc sértést, érdemes ellenorízni hogy az adott környezetben mely Management Pack-ek használata került bekapcsolásra. Ezt a Grid Control Setup menüjében a Management Pack Access almenüben tehetjük meg legegyszerubben. Részleteseb leírás itt található. Database Diagnostic és Tuning Pack adatbázis szintu kikapcsolására is lehetoség van, hogy parancssorból se lehessen használni oket, errol korábban már írtam. Az egyes management termékek USD ára megtalálható az árlistában. Ha valami fontos kimaradt, várom a kérdéseket, hozzászólásokat, és igény szerint bovítem a fentieket.

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• Update-manager fails silently on 14.04

  - by pabuisson

  I recently reinstalled a lubuntu from scratch, to upgrade to 14.04. Everything's working as expected, except for the update-manager that silently fails when trying to upgrade my system's packages. It does correctly list the packages to be upgraded, I can then click on the "Install now" button (or something like this, I'm running a French flavour of Ubuntu). When I click the button, it seems unresponsive for 5 to 10 seconds, then the upgrade dialog with the progress bar appears, displays "Loading package list", then very shortly something about "authentication" (not long enough so that I can read it).. and closes. The install is fresh and I have no idea where to look. I tried launching update-manager in a term but it doesn't display any error when it fails, only this message when the window first shows up : ** (update-manager:3642): WARNING **: Couldn't connect to accessibility bus: Failed to connect to socket /tmp/dbus-m0jkFlZ3yo: Connexion refusée. Any idea where this might come from ? I can upgrade the packages using the command line and sudo apt-get but this is not my computer, and I do not wish its owner to have to do this to upgrade the packages. Thanks for your help !

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• How to make a virtual tree control -- really virtual

  A comprehensive article on how to make a CTreeCtrl really virtual -- good for handling large data trees.

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• Role based access control in Oracle VM using Enterprise Manager 12c

  - by Ronen Kofman

  Enterprise Managers let’s you control any element in the environment and define which users can do what on each element. We will show here an example on how to set up RBAC (Role Base Access Control) for Oracle VM using Enterprise Manager, this will be a very simplified explanation  to help you get going. For more comprehensive explanations please refer to the Enterprise Manager User Guide. OK, first some basic Enterprise Manager terminology: Target – any element in the environment is a target – server, pool, zone, VM etc. Administrators – these are the Enterprise Manager users who can login to the platform. Roles – roles are privilege profiles which could be applied to Administrators. The first step will be to discover the virtual environment and bring it in to Enterprise Manager, this process is simple and can be done in two ways: Work on your Oracle VM manager, set it up until you feel comfortable and then register it in Enterprise Manager Use Enterprise Manager and build it all from there. In both cases we will be able to see the same picture from Oracle VM and from Enterprise Manager, any change made in one will be reflected in the other. Oracle VM Manager: Enterprise Manager: Once you have your virtual environment set up in Enterprise Manager it is time to start associating VMs with users (or Administrators as they are called in Enterprise Manager). Enterprise Manager allows us to connect to multiple different identity services and import users from them but the simplest way to add Administrators is just go to setup->security->Administrators and create new Administrator. The creation wizard will walk you through several stages and allow you to assign role(s) to your newly created Administrator, using roles can really shorten the process if done multiple times. When you get to “Target Privileges” stage, scroll down to the bottom to the “Target Privileges” section. In this section you can add targets (virtual machine in our case) and define the type of privileges you would like to assign to the Administrator which you are creating. In this example I chose one of the VMs and granted full privileges to the newly created Administrator. Administrator creation wizard "Target Privileges": Now when you login as the newly created administrator, you will only see the VM that was assign to you and will be able to have full control over it. That’s it, simple and straight forward, Enterprise Manager offers many more things which I skipped here but the point is that if you need role based access control Enterprise Manager can give it to you in a very easy way. Oh and one more thing, virtualization management in Enterprise Manager has no license cost, sweet.

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• Running virtual machines: Linux vs Windows 7

  - by vikp

  Hi, I have tried running windows xp development virtual machine under windows 7 and the performance was dreadful. I'm considering installing Linux and running the virtual machine from the Linux, but I'm not sure whether I can expect any performance gains? It's a 2.4ghz core 2 duo machine with 4gb ram and 5400 rpm hdd. Can somebody please recommend very cut down version of linux that can run VMWare player and isn't resource hungry? Thank you

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• Tomcat Manager Application and HTTP 404 Error

  - by David

  I am trying to set up the admin application for a Tomcat 6.0.24 instance. None of the searches I've done turn up anything I can use. I am using this configuration for Apache 2.2.14: Alias /manager /usr/share/tomcat6-admin/manager <Directory "/usr/share/tomcat6-admin/manager"> Options Indexes FollowSymLinks AllowOverride None allow from all </Directory> ProxyPass /manager ajp://localhost:8009/manager In the tomcat-users.xml I have this: <tomcat-users> <role rolename="tomcat"/> <role rolename="admin"/> <role rolename="operator"/> <role rolename="manager"/> <user username="admin" password="nopasswordforyou" roles="admin,tomcat,manager"/> <user username="operator" password="nevermind" roles="operator"/> </tomcat-users> I found the docs that suggested I needed manager-gui role installed and defined, but that appears to be Tomcat 7, not Tomcat 6. The manager.xml is the default provided with Ubuntu Lucid Lynx 10.04: <Context path="/manager" docBase="/usr/share/tomcat6-admin/manager" antiResourceLocking="false" privileged="true" /> If I access /manager from a web browser, I get a 404 error from Tomcat: "requested resource not available." If I access /manager/images I get the same thing. If I access /manager/401.jsp I get the actual page. In addition, the server.xml has not only the usual Realm (UserDatabaseRealm) but also one for MySQL authentication (JDBCRealm). Investigating this showed that the role of manager was not present there for the user admin; I fixed that by doing: INSERT USER_ROLE_DB SET USER_NAME='admin', ROLE_NAME='manager'; I restarted Tomcat, although I suspect that was overkill. No change. I don't see any errors in catalina.out or in localhost.* log files. What am I missing? What is the interaction between the different realms? How do I get the manager application working?

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• Virtual Economy Setup - Virtual currencies advice

  - by Sarah Simpson

  I'm trying to figure out how to build my virtual economy. It seems like some games have one currency and some of them have up to 3 and 4 different ones. The game is an action game which is currently single player but I'm planning on adding a tournament mode that allows users to compete against each other. The virtual goods that a user would be able to purchase would be either customization to the character or powerups and utilities that give the character more abilities in the game. The character is able to gain coins during game play. The advice I'm trying to get is whether or not it makes sense to set up more than one currency and more than two currencies? What are the pros and cons? Reference to some resources that indicate research would be great.

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