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Don’t delete the content of „c:\windows\ccmcache\“ manually with the File-Explorer: it is managed by „Windows System Center Configuration Manager (SCCM)“. You need „local Administrator“ access to your computer. Let SCCM to cleanup it’s cache for you: 1) open the „Control Panel“ 2) select „Configuration Manager“ 3) go to „Cache“-Tab 4) click „Delete Files“ Wait a second and the CCM-Cache is empty.Read More →

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While the „old“ SCAv1 built a virtual fence around all virtual processors („Intra VM Security Boundary“), SCAv2 lets processors of one virtual machine (VM) to run within a „common fence“ („Inter VM Security Boundary“) which balances security and performance for most workloads. See https://www.vmware.com/content/dam/digitalmarketing/vmware/en/pdf/techpaper/performance/scheduler-options-vsphere67u2-perf.pdf for performance analysis. Configure Verify Configure SCAv1Read More →

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Comments are greyed out by default, nobody should read them 😉 I don’t want to think about the comment-quality of the Atom-Sourcecode, just kidding 😉   To change the comment-colour to a fresh and visible green: open the file (as administrator) c:\>notepad c:\Users\<username>\.atom\styles.less atom-text-editor::shadow { .punctuation.comment, .comment, .link.hyperlink { color: #88ff88; } }Read More →

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The beginning: Source Code Find the original source archive at https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html or get the Windows-Archive directly here: https://the.earth.li/~sgtatham/putty/latest/putty-src.zip Modify the Source Code For example: Tweak the modal „Fatal Connection Error“ Dialog: Relax PuTTY: Suppress „Fatal Error“ Dialog Next step: GCC-Compiler I’d chose MinGW to compile native Windows Applications: MinGW as build-environment for native Windows Applications Compile it Using MinGw: In PuTTY it’s all prepared for us – go to the „windows“ subdirectory: mingw32-make -f Makefile.mgw Check the result EXEcute it Final thought: Donate PuTTY It is possible 😉 to donate to the original PuTTY developers – look here: https://www.chiark.greenend.org.uk/~sgtatham/putty/faq.html#faq-donationsRead More →

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It is possible to complie open source software like „PuTTY“ using the famous gcc open source compiler. Choose your favourite MinGW „distribution“ There are several  „distribution“-like packages available on the web. I found https://sourceforge.net/projects/mingw-w64/files/Toolchains%20targetting%20Win32/Personal%20Builds/mingw-builds/installer/mingw-w64-install.exe/download which worked „out of the box“. Install MinGw Just a few settings to think about, I chose: I changed from the default-settings: Version:8.1.0 Architecture:i686 Threads:posix Exception:dwarf Build Revision:0 to Architecture:x86_64 Threads:win32 Exception:seh Check the Windows „PATH“-Environment Variable I should contain C:\\Program Files\\mingw-w64\\x86\_64-8.1.0-win32-seh-rt\_v6-rev0\\mingw64\\bin Run a „MinGW-Terminal“ Using the following shortcutRead More →

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When using PuTTY in „Multi-Tabbed“-Wrapper-Applications like MRemote-NG, Super-Putty, Putty-Connection-Manager, you name it, it’s absolute annoying that every connection-timeout pushes a modal pop-up window to the front (for every opened connection!) like this: Since in those Applications the PuTTY-Window/Tab won’t get closed, or with „only on clean exit“ these modal alerts are absolutely pointless – when: PuTTY is running as standalone application the config-parameters set to „close window“ the original implemtation makes sense indeed. So there is some code required, to distinguish between: a quiet (Text-)Message, inline within the PuTTY-Screen when the window wont get closed an modal alert before closing the putty window. Original CodeRead More →

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I’ve been wondering about the differences between the (free) Microsoft-Azure Online-Training and the (paid) AZ-303 Instructor-Led Training. After having a quick look at the „AZ-303 Exam Skills Outline“ there seems to be an 1:1-Mapping between „Exam Skills Outline“ and the instructor led training. Exam Skills Outline According to https://query.prod.cms.rt.microsoft.com/cms/api/am/binary/RE4psD6 the exam is made up from 15 modules: The changes to the schedule starting at 25th of May 2021 are of cosmetic nature, Microsoft fixed some typos and removed some minor AAD-sub-topics… 1) Implement and Monitor an Azure Infrastructure (50-55%)1.1) Cloud infrastructure monitoring1.2) Storage accounts1.3) VMs for Windows and Linux1.4) Automate deployment and configuration of resources1.5)Read More →

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Background My WIFI is bound to my Internet-Router and it is seperated from my home-office by an routed stateful-firewall. Some WIFI devices (for example my printer) need access to this home-office ip-range. Pi-Hole DHCP Service The DHCP-Service of my pi-hole server usually offers just dhcp-option #3 – the default-gateway. Disable DHCP-Option 3 (Default Gatway) The pi-hole Web-GUI doesn’t allow to specify additional dhcp-options, so first disable offering the default-gateway-option: which is not allowed (my opinion: a bug since this is no feature) Stop here and use another dhcp-service? Use the „Router-Option“ as fallback for „old“ clients Fortunately RFC3442 („The Classless Static Route Option for DynamicRead More →

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Certification Path According to https://docs.microsoft.com/en-us/learn/certifications/azure-solutions-architect/ two exams AZ-303 Microsoft Azure Architect Technologies AZ-304 Microsoft Azure Architect Design are required. Online Training Online Training, free of charge – sponsored by Microsoft – is available: Surprisingly the same 9 modules for both exams, i’ve been putting them in a slightly different order: Infrastructure 4 Modules Operations Applications 3 Modules Migration sharing a common module with Business Continuity / Recovery AZ303 Instructor-Led Training The official Microsoft Instructor-Led Training for AZ303 is made up of 15 Modules: Azure Active Directory Hybrid Identities Networking VMs Load Balancing and Network Security Storage Accounts NoSQL Databases Azure SQL Databases Automate Deployment andRead More →