Blog Posts
How To Install and Boot VMWare VSphere/ESXi from Persistent Memory (or not)
In a previous post I described how to install and boot Linux using only Persistent Memory, no SSDs are required.
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How to build an upstream Fedora Kernel from source
I typically keep my Fedora system current, updating it once every week or two.
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Linux Device Mapper WriteCache (dm-writecache) performance improvements in Linux Kernel 5.8
The Linux ‘dm-writecache’ target allows for writeback caching of newly written data to an SSD or NVMe using persistent memory will achieve much better performance in Linux Kernel 5.
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"ipmctl show -memoryresources" returns "Error: GetMemoryResourcesInfo Failed"
Issue: Running ipmctl show -memoryresources returns an error similar to the following:
Read MoreIntel Optane Persistent Memory Modules report "Non-functional" state in ipmctl
Issue Executing ipmctl show-dimm to get device information shows the persistent memory modules in a ‘Non-functional’ health state, eg:
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How To Set Linux CPU Scaling Governor to Max Performance
The majority of modern processors are capable of operating in a number of different clock frequency and voltage configurations, often referred to as Operating Performance Points or P-states (in ACPI terminology).
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How To Verify Linux Kernel Support for Persistent Memory
Linux Kernel support for persistent memory was first delivered in version 4.
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A Quick Guide to Signing Your Git Commits
It is important to sign Git commits for your source code to avoid the code being compromised and to confirm to the repository gatekeeper that you are who you say you are.
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