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• how do I instrospect appengine's datastore models?

  - by python for ever

  in order to dynamically create a form, i have to find the property types of a model's properties at runtime. appengine docs says that Model.properties() will return a dictionary of properties name and their class type. when i use this method in my code, only the name is returned and the classtype value is always empty.

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• Close TCP port 80 and 443 after forking in Django

  - by audiodev

  I am trying to fork() and exec() a new python script process from within a Django app that is running in apache2/WSGI Python. The new python process is daemonized so that it doesn't hold any association to apache2, but I know the HTTP ports are still open. The new process kills apache2, but as a result the new python process now holds port 80 and 443 open, and I don't want this. How do I close port 80 and 443 from within the new python process? Is there a way to gain access to the socket handle descriptors so they can be closed?

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• PXE-E32 TFTP Open Timeout While Attempting to PXE Boot from Windows Deployment Services

  - by bschafer

  I'm running Windows Deployment Services on Windows Server 2008 R2 on top of an ESX 4.0 box. This is the only function of this VM instance, although it had previously functioned as an AD Domain Controller. My DHCP server is running on our primary Domain Controller, which is also Server 2008 R2, but running on metal. Everything was working perfectly until we recently had our backup generator fail during a power outage, causing all of our servers and networking equipment to lose power for a period of time. When we brought all of our equipment back up, everything was working as expected except for WDS. Our network is split up into several different vlans. Now, depending on which vlan the client computer is on, it's behaving differently when attempting to PXE boot into WDS. Our servers are located on the 10.55.x.x vlan, which, due to the nature of it, has no DHCP server active in it. The first computer we plugged in happened to be in the 10.99.x.x vlan, which is supposed to be reserved for network management devices (i.e. switches), but we've been using it occasionally otherwise. That computer gave us PXE-E11 ARP Timeout errors. When we moved to a different computer on the 10.19.x.x vlan (for general purpose use), it finally gets an IP from DHCP, but it presents us with a very stumping PXE-E32 TFTP Open Timeout error. Before the power outage, it didn't matter which vlan a device was on; it would PXE boot and image just fine. I've made no changes to anything server-side. Everything is configured exactly the same way it was on my WDS and DHCP servers as before the power outage. I've tried several different computers, including different models. All of this, combined with the quirky behavior depending on the vlan, makes me think something went wrong in one or more of our switches, probably because of the power outage. Unfortunately, I'm no network guy, and I know very little about how to configure our switches properly. Is this an issue with switches, etc? If so, how can I fix it? Is there some magical option I'm not aware of? Does anybody out there have any hunches? I've pretty much exhausted my ideas. Our main switch is an HP Procurve 5406. We also have 3x HP Procurve 4208 switches. The ESX Server is an HP ProLiant DL380 G6. The WDS VM is currently using the VMXNET3 network adaptor, but we've also tried the E1000 adaptor.

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• Wyse Z Class Thin Client (WES7) Image Deployment

  - by nsr81

  We are currently working on deploying a few Wyse WES7 thin clients (Z Class, exact model escapes me at the moment). We have WDM setup, and are able to see new clients show up, interact with them, pull/push images. Our current workflow is something like this: Unpack & boot up the device Disable Windows Firewall, reboot Device shows up in WDM Publish our custom image to the new device. My question is whether or not there is a way I can bypass step 2, and put my image on the client right out of the box. Either using PXE or USB boot disk, such that I can boot into some sort of menu and tell the client to pull a particular image from the WDM server. With HP thin clients, we have a rule setup which detects new clients on the network and pushes our custom image to them first time they show up. I haven't been able to figure it out with Wyse.

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• Why do I get error, Invalid command 'PythonHandler'?

  - by nbolton

  I'm trying to deploy a Django application, but I've hit a brick wall. On Debian (latest), I've run these commands so far: apt-get install apache2 apache2-doc apache2-mpm-prefork apache2-utils libexpat1 ssl-cert libapache2-mod-python python-django I've tried adding the module manually in the Apache 2 config files, but to be honest I'm totally lost. It's totally different to Apache version 1 which I used years ago. Syntax error on line 7 of /etc/apache2/sites-enabled/000-default: Invalid command 'PythonHandler', perhaps misspelled or defined by a module not included in the server configuration I've added the following to my sites-available/default file, between the tags. <Location "/"> SetHandler python-program PythonHandler django.core.handlers.modpython SetEnv DJANGO_SETTINGS_MODULE hellodjango1.settings PythonDebug Off </Location> Here's what tutorials I've used so far, without much luck: Django | How to use Django with Apache and mod_python | Django Documentation How To Install Django On Debian Etch (Apache2/mod_python)

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• WDS updating raid drivers in an already existing image WIM

  - by Tim

  Here is my current setup. WDS installed on Server 2008 R2 for the new driverstore and multicast features. A Windows Server 2003 32bit Standard image built to support previous DL360 models. A new HP DL360 G6 which has a new raid controller in it. I need to add the driver for the raid controller into my Server 2003 32bit standard install image but I can't seem to figure out the correct method to do so. So far I've tried the following: Mounting the image and placing the drivers into the Sysprep drivers folder, adding the PCI device codes into the sysprep.inf file and committing the changes to the image. Pushing the image to a DL360 G4, ensuring the driver is in the correct locations and re-sysprepping the image. Hoping that the new driverstore feature would magically work with 2003 (a guy can dream cant he?) Is there some standard method that I can use to update this image with the new drivers or do I need to start from scratch with an entirely new build? Thanks in advance.

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• RPCSS kerberos issues on imaged Windows workstations

  - by sysadmin1138

  While doing some unrelated troubleshooting I came across a set of Event Log entries that have me concerned. Machine Name: labcomputer82 Source: Security-Kerberos Event ID: 4 Event Description: The Kerberos client received a KRB_AP_ERR_MODIFIED error from the server labcomputer143$. The target name used was RPCSS/imagemaster4.ad.domain.edu. This indicates that the target server failed to decrypt the ticket provided by the client. This can occur when the target server principal name (SPN) is registered on an account other than the account the target service is using. Please ensure that the target SPN is registered on, and only registered on, the account used by the server. This error can also happen when the target service is using a different password for the target service account than what the Kerberos Key Distribution Center (KDC) has for the target service account. Please ensure that the service on the server and the KDC are both updated to use the current password. If the server name is not fully qualified, and the target domain (AD.DOMAIN.EDU) is different from the client domain (AD.DOMAIN.EDU), check if there are identically named server accounts in these two domains, or use the fully-qualified name to identify the server. There are three machine names used in this message. It's generated on labcomputer82, it's attempting to talk to another lab workstation called labcomputer143, and the service in question (RPCSS) refers to the name of the machine that this machine was imaged from (and possibly also that of labcomputer143, I'm not sure). The thing that has me raising both eyebrows is that the machine named labcomputer82 is attempting to use an SPN of RPCSS/imagemaster4.ad.domain.edu. The SPN attribute on the computer object in AD looks just fine. It has all the names it should have. Of the over 3,000 computer objects in our AD domain, somewhere around 1,700 of the are computer-lab seats that are frequently imaged. If we're doing something wrong, I'd like to know in time to get our procedures modified (and people retrained) for fall quarter. But if this is normal for imaged machines, I'll just continue ignoring these.

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• How to remove package from apt-get autoremove "queue"

  - by Darth

  I just installed Calibre for ebook management via apt-get on Ubuntu 10.04, however I found out that it's one major version behind the current release, so I decided to reinstall it directly from sources. When I uninstalled the packaged version, apt added bunch of dependencies to the autoremove queue, and as I installed newer version of Calibre from sources, it has no knowledge of it being dependent on those packages. Now I basically have all libraries that I want, but they are still in the autoremove queue. The following packages were automatically installed and are no longer required: libqt4-script libqt4-designer libqt4-dbus python-lxml python-cherrypy3 python-encutils libqt4-xmlpatterns libqt4-help python-qt4 python-clientform python-sip python-django python-mechanize libqt4-svg python-django-tagging libphonon4 libqt4-xml libqt4-assistant libqt4-webkit libqt4-scripttools python-beautifulsoup python-pypdf python-dateutil python-cssutils Use 'apt-get autoremove' to remove them. How do I tell apt that I want to keep these packages installed, without reinstalling them manually?

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• Vim */dyn support

  - by galymzhan

  What does mean the plus sign before */dyn in the :version command's output, e.g.: +python/dyn +python3/dyn +ruby/dyn +tcl/dyn I didn't find any useful documentation on it. When I run :echo has('python3') Vim returns 0. When I run :python3 print('hi') it says E370: Could not load library python31.dll meaning I should install python (as I understand). So I just can't see the difference between -*/dyn and +*/dyn. What does plus sign give to us? Also what's the difference from dyn-less feature, e.g. +python?

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• installing Gevent on OSX

  - by Dev9281

  >>> import gevent Traceback (most recent call last): File "<stdin>", line 1, in <module> File "build/bdist.macosx-10.6-universal/egg/gevent/__init__.py", line 41, in <module> File "build/bdist.macosx-10.6-universal/egg/gevent/core.py", line 7, in <module> File "build/bdist.macosx-10.6-universal/egg/gevent/core.py", line 6, in __bootstrap__ ImportError: dlopen(/Users/admin/.python-eggs/gevent-0.13.6-py2.6-macosx-10.6-universal.egg-tmp/gevent/core.so, 2): Symbol not found: _event_global_current_base_ Referenced from: /Users/admin/.python-eggs/gevent-0.13.6-py2.6-macosx-10.6-universal.egg-tmp/gevent/core.so Expected in: flat namespace in /Users/admin/.python-eggs/gevent-0.13.6-py2.6-macosx-10.6-universal.egg-tmp/gevent/core.so What's this about? I did not get any errors during the installation

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• Is there any way to isolate the python2.7 , mod_wsgi installation from main environment

  - by user31

  I have many local virtual machines for building the django websites. I find it very hard to configure all the machines with mod_wsgi , python and all that installation issues. Is there any way that i can install even python 2.7 , mod_wsgi etc and all that inside the virtual environment folder so that i can just copy paste that folder in my live server and i don't need to mess with mos_wsgi , python 2.7 and other issues. Is it possible or even any close variation of that so that puting the site to live servers is very easy and everything which is needed by site should be included locally I also face many problems when i need to move the django sites across servers

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• Multicast image restoration with adaptive speed

  - by Clinton Blackmore

  I'm curious to know if there are any tools for restoring disk images (or even transferring files) via multicast -- for any platform, especially if the project has source available -- where the multicast rate adjusts itself on the fly. On the Mac, all multicast solutions I am aware of (such as Deploy Studio, and NetRestore before it) make use of multicast ASR (apple software restore), which has one glaring deficiency -- you have to set the multicast speed before you start sending a disk image over the network, and that speed is locked in. Either your clients can keep up and restore, or they can't*. It seems to me that it must be possible for the multicast server to adjust the data rate, so you basically say "start sending this image", clients connect, and, if they can't keep up, they tell the server so it slows down. (Likewise, I'd expect the server to try speeding up if no client is having difficulties keeping up, and I'd expect to be able to cap that maximum throughput so that other network activities can go on without being resource starved.) So, what sort of tools are out there? For Linux? Windows? Is there something for the Mac I've overlooked. [It just kills me that it is true that, by the time you get multicast up and going at a good speed to restore a lab, you could've unicasted the data to all the computers and be done.] * There is a little leeway involved. I think individual clients can say, "I missed a little bit of data" and get it, and they can opt to listen in the next time the image is sent over the network, but on the whole, if they missed it the first go round, you have to image the machine again, and there is no time savings.

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• Ghost Image - windows asks for activation on when deployed to VM

  - by Chris Sobolewski

  I have several images created with Ghost Solution Suite (v11 I believe), the images have been in use for a few years now, but I am finally to the point where I have enough time to attempt to virtualize them for easier updates. I am running VMWare and attempting to image the virtual machines with my ghost image files. For my images I am running sysprep with minisetup and using reseal. The image deploys successfully, however when I start the VM for the first time, it demands windows activation. This doesn't happen when I image a physical computer, even a different model with different hardware. The idea of virtualizing my images becomes rather worthless if I am unable to deploy the images without having to activate every time (especially as Microsoft keeps declaring our volume licence key as invalid for activations). Does anyone know why it is asking for activation on a virtual machine, but not a physical PC? How can I prevent this?

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• Wherer can I get Windows XP Images for WMware Workstation

  - by Saif Bechan

  Does anyone know where I can get windows images for vmware. I know Microsoft gives away the images for Virtual PC. These images work pretty well, but when I try to import them in VMware I need to activate the copies again, because the virtual hardware they use is just to different. I want Images of different versions of windows 2000,xp,vista. Does anyone where I can download them, or do I need to build them from CD.

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• How do I prevent rpmbuild form injecting requirements into RPM package?

  - by Basilevs

  I'm creating an RPM package from native Python 2.5 one. Out corporate policy is to use python2.4 by default, so I'm adding a string Requires: python25 to a .spec file. When I look at created RPM file though, i see the following dependencies: rpm -qR -p ZSI-2.1_a1-py25.noarch.rpm /usr/bin/python2.5 python(abi) = 2.5 python25 rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1 Dependency added by me is present, but other dependencies are also here. I'm unable to provide python(abi) = 2.5 dependency, because of dumb python25 package generated by our IT department where provides tag is incorrect. How do I remove automatically added dependencies from generated RPM?

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• Image backup with two Macs

  - by Konzepz

  Hi, My setup is as follows: iMac + Ext. HD in the living room A MacBook I want to create a regular weekly backup flow, that will create an image file for the MacBook (the entire disk image), and save it to the ext. HD on the iMac, meaning -- connect via local network and save the file. What's the best practice/application for this? Thank you.

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• How do I access the hidden "R & R" partition on a Lenovo laptop?

  - by Ben

  I have some Lenovo laptops (T410 / X201) and want to get the .wim files from the R & R partition. Anyone know how I can access it? It shows in the OS (i.e. has a drive letter assigned) but shows as "empty". This is also the case if I boot into a PE environment. Many thanks in advance, Ben

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• What's the difference between disk backup and disk copy?

  - by superuser

  I'm confused and don't know which one to download: http://www.easeus.com/disk-copy/

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• Cloning Windows 7 to Another Machine

  - by trobrock

  I am trying to clone a Windows 7 Install from one machine to others, in a computer lab situation. I have used clonezilla to make an image of the machine's harddrive and then attempted to write that image to a second machine's disk. Everything went fine, but when I try to boot Windows 7 on the second machine I get a blue screen flash and then it tries to run the startup repair tool, which runs unsuccessfully. Is there something new with Windows 7 that keeps it from being cloned like this?

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• Can I "branch" VirtualBox snapshots (base multiple VM on the same disk image + separate diffs)?

  - by Thilo

  I keep multiple VirtualBoxes for different projects. They are all running the same Debian base system. Keeping complete copies of all the disk images is getting expensive. Is there a way that I can base multiple VM on the same (read-only) disk image, with (hopefully small) diffs layered on top? This is just like snapshots work, except that there is no concept of "current" and "previous", they are more like branches. Or can I just use snapshots (of the "same" VM) for this? I would be wanting to run more than one of those snapshots concurrently.

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• Need disc image help pronto!

  - by data

  I recently got a job as a junior network administrator. Last week the senior admins did their yearly reinstall of server 2003, exchange, drivers etc on the main server. I've been asked to back up the disc so that next year they can just copy over the pre-made image. What tools can i use to achieve both the creation of the entire servers HDD image and loading it back on (id like to test it in the sandbox.) To impress them, a program that is free is preferable. And maybe a tool that can do it all from booting the program off of a USB drive.

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• Apache: Use Specific Applicaion for CGI scripts

  - by RandomInsano

  I have two servers, one in production and one for development. The production server is Solaris, dev is FreeBSD. Because of this, python is installed in different directories. I'm using Python right now for making CGI scripts, and needing to remember to swap my hashbangs when I copy from dev to production is a little annoying (Same issue for SVN updates depending on which server I'm comitting from). Is there a way to configure apache so that I no longer need to hashbangs? Like, if it would lauch python and supply the CGI script for it? Might be a bit of a stretch, but no harm in asking

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• Few questions on restoring an os from an image

  - by user23950

  Is it possible to backup and restore more than 1 partition?For example, I have a multi-boot computer. And I want to backup them all(Windows xp, Windows 7, and Ubuntu) If it is possible, what are the applications that offer this kind of feature? Please give me an idea on how this works. If ever its possible.

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• Create a bootable .wim from Win 7 system image?

  - by Christian Nikkanen

  I was given an assigment to create a clean install of Windows 7, take a system image of it and make it a bootable image, so it can be booted from our local server. I've readed a few tutorials, but only one worked so far that it created a .wim . But when I transferred it to the server (Windows 2008 Server), navigated to Boot Images -- Add a new boot image But it says it's not bootable. So how would I create a .wim that is good for the server from a 64bit Windows? I have Windows AIK installed.

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• Dropbox.py on RHEL 6

  - by Timothy R. Butler

  I'm trying to run a headless install of Dropbox on RHEL 6. The daemon seems to be running, but when I try to use Dropbox's associated dropbox.py tool to control the daemon, it fails to run with the following error: Traceback (most recent call last): File "./dropbox.py", line 26, in <module> import locale File "/usr/lib64/python2.6/locale.py", line 202, in <module> import re, operator ImportError: /home/dropbox/.dropbox-dist/operator.so: undefined symbol: _PyUnicodeUCS2_AsDefaultEncodedString I'm running the current RHEL build of Python 2.6: root@cedar [/home/dropbox/.dropbox-dist]# rpm -qv python python-2.6.6-29.el6_3.3.x86_64 (I'm not sure if this would be better suited to Stack Overflow since it is on the verge of being a programming issue, but since I'm trying to use a program straight from Dropbox, I placed it here.)

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