Information Technologies

Using Hyena to attach to Windows domains other than your own

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What tripped me up about this procedure is that I had incorrectly assumed that it was a one-time operation when in fact it must be done each time Hyena is launched. Right-click the domain in question in the tree pane. Select "Set source Domain Controller". If this is your first time, you *may* have to enter the FQDNs of your DCs here. They always show up in my dialog automagically though and I simply click Okay as soon as the dialog pops up. That's all there is to it. Now expand the tree and see all the goodies.

Unattended Windows installations

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The Microsoft Software Forum Network has a very detailed section entitled Unattended Windows which gives a very good breakdown of how to produce automated Windows OS and application installation, configuration and tweaking.

 

Keywords: windows software application install installation msi ris automated unattended

Windows Explorer hangs for so many reasons

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Explorer can hang for minutes at a time, often taking other applications or your whole system with it. I have now seen this on at least a dozen installations. I have spent many an hour trying to track down what the root of the cause was. Here are some of the many possible causes compiled in a quick list so you don't have to suffer what I've suffered:

Exchange disaster #6829: Self-mail-enabling Public Folders are not possible to "mail-disable"

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After reading the subject line, you are undoubtedly saying to yourself, “…What?” And with good reason I might add.

It turns out that viewing the properties of a Public Folder from the Exchange 2003 ESM (Exchange System Manager) which was created in Exchange 5.5 and migrated to Exchange 2003 will automatically cause the folder to become mail-enabled — even if you “Cancel” out of the properties window and made no changes at all! What’s better? Now you can get cryptic serialized names showing up in your GAL that look like this one I found today (exact copy and paste, no embellishment): 2708b030-d58a-42c0-8764-ff90f8735656. What’s better is the string of phone calls and emails that pour in from executives who are wondering why this is happening and are not only unsympathetic to your plight as an Exchange sys-admin (who lobbied from the get go to never install Exchange in the first place) but are also entirely incapable of comprehending that there is no possible way to remove this known and documented Microsoft Exchange issue.

How to update Veritas (Symantec) Backup Exec for Windows Servers

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Ways of updating Backup Exec:

  • You can navigate the Veritas/Symantec support site for the Support: Backup Exec for Windows Servers page entitled Software Updates & Downloads.
  • You can use the Veritas Update feature of Backup Exec.
  • Update: The following method was not usable as of 2006-11-07, when I discovered that many (if not all) of the needed subdirectories are now restricted. -sigh-
    My preferred method: You can FTP to ftp.support.veritas.com, navigate to /pub/support/products/Backup_Exec_for_WindowsNT/ and sort the directory by date in descending order. Then you can grab the latest driver or software update which is listed nearest to the top of the list. You can even go straight to the relative support article by typing the number from the file into the Veritas/Symantec support site search field.

 

VMS UCX ping

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How to ping from a VMS box with UCX installed on it:

ucx ping {hostname|ip}

The three L's: Liabilities, logon banners & legal disclaimers

When Googling, the keywords you need to try (in various combinations) are:
  • banner
  • legal
  • disclaimer
  • logon
  • login
Also try restricting the search with "site:*.gov" or "site:*.org".

On the Pomona Unified School District network, computers splash this banner:

"All software, hardware, and data are for the sole use of the Pomona Unified School District.  Your connection may be subject to monitoring, key logging, and other security measures without further notice to you. This account may only be used by the person to whom it is assigned. Any unauthorized use is subject to prosecution. Continuing beyond this point signifies your agreement to these policies and those of the School Board. Thank you for your cooperation."

Free software for Windows which does not require installation

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For some time now I have been gathering a collection of applications which can be run without installation. I have considered publishing the list of my collection, but it looks as though somebody has already dones so. This is quite likely the most useful collection of software for the the Windows platform:

Script to automate the flushing of the Windows DNS cache

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The only way to *really* flush DNS without rebooting Windows. First determine the funky name (not sure what the proper label would be) for your network adapter. It may take some guesswork unless you're smarter than me. On some systems there are obvious labels next to the funky names, on others not. It seems to depend on the driver. Here's the command you type:

devcon listclass net

Once you've got the funky name, edit the following script to your needs and save it as a .bat file. This is the script I use on my own system:

Taking control of Windows without rebooting

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As all Windows users often find, the only reasonable solution to the building quirkiness of a Windows session is the eventual reboot of the machine. As a systems admin, I often find myself in situations where this is less than practical and so I have come up with the following, ultra-cheezy technique which actually usually brings a system back into (apparent) stability. (It's always hard to be certain what's going on under the hood though).

  1. Close all non-critical applications and stop and any non-critical services (if you're not certain which services aren't critical for your current situation, skip this step).
  2. Open the Task Manager by one of the following methods (because, depending on the state of your system, often many of these will fail to function properly):
    • Press CTRL-SHIFT-ESC
    • Press CTRL-ALT-DEL (and, if necessary, select Task Manager
    • Right-click the taskbar and select Task Manager
    • Open Start => Run... and type either taskmgr or c:\windows\system32\taskmgr.exe
    • Go to C:\WINDOWS\system32\ and double click on
      taskmgr.exe
    • Open a command prompt and type either taskmgr or c:\windows\system32\taskmgr.exe
  3. WARNING: Do *not* exit the Task Manager after performing the following step. If you do, you may have to reboot your system. The following step will close the Start menu, taskbar and all Explorer windows without and thequite probably will not restart automatically. You will use the Task Manager to restart them.

    Once you have the Task Manager up, select the Processes tab and then click on the Image Name column to sort the processes alphabetically. Locate each instance of explorer.exe, right click and select End Process.
  4. Open the File menu of the Task Manager and select New Task (Run...)
  5. Type explorer in the Run... dialog. With a lot of luck, your Start menu, taskbar and tooltray should return, and Windows should be acting somewhat normal again.
  6. Restart all your necessary but non-critical applications and services which were started earlier.
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