|Users about WuInstall:
“Often there are a lot of patches already released at the WSUS but not yet installed on the clients. If a security issue arises, only one patch has to be deployed instantly to solve this problem. Until yet we had only the possibility to deploy all released patches or none.”
|Freitag, den 13. August 2010 um 15:57 Uhr|
There is a new feature in WuInstall (WuInstall 1.2. PRO) which helps saving bandwidth.
Imagine the following scenario:
In the normal approach (unless you use a proxy), each update would habe to be downloaded 15 times (for each machine once).
It would be nice if only the first machine getting the update would download it to a cache, and the others would get it from there and put it into their local cache (Usually WINDOWS\SoftwareDistribution\Download) - as simple as possible and unattended of course, using a command line script.
Caching Downloads with WuInstall
You can do like this:
c:\DATA\WuInstall>wuInstall /install_cache p:\temp /logfile c:\data\temp\inst.txt(the /logfile switch tells WuInstall where to log the output for further analysis)
2010/08/11-11:08:01 Checking cache for update: Windows Malicious Software Removal Tool - August 2010 (KB890830) 2010/08/11-11:08:01 Update Windows Malicious Software Removal Tool - August 2010 (KB890830) Multi-Lingual - Delta not found in cache directory p:\temp\20110b11-6dd2-4153-a76d-e660ec78ebed 2010/08/11-11:08:01 Update bundle not found, downloading... 2010/08/11-11:08:01 Copying downloads directly... 2010/08/11-11:08:01 Downloading: http://download.windowsupdate.com/msdownload/update/software/uprl/2010/08/windows-kb890830-v3.10-delta_b6366a428af17c9c7c524ebd15aafe3608d3fa39. exe to p:\temp\20110b11-6dd2-4153-a76d-e660ec78ebed/windows-kb890830-v3.10-delta_b6366a428af17c9c7c524ebd15aafe3608d3fa39. exe ... 2010/08/11-11:08:13 OK 2010/08/11-11:08:14 Download OK 2010/08/11-11:08:14 Checking cache again... 2010/08/11-11:08:14 Update Windows Malicious Software Removal Tool - August 2010 (KB890830) Multi-Lingual - Delta found in cache directory, copying to local cache... 2010/08/11-11:08:15 OK
Now calling the same command for the second client (and all the others), WuInstall gets the update from the cache (P:\TEMP) instead of downloading it:
2010/08/11-11:20:27 Checking cache for update: Windows Malicious Software Removal Tool - August 2010 (KB890830) 2010/08/11-11:20:28 Update Windows Malicious Software Removal Tool - August 2010 (KB890830) Multi-Lingual - Delta found in cache directory, copying to local cache... 2010/08/11-11:20:28 OK
You can also use /download_cache, just for downloading the updates to the local cache without installing them.