Ray Olander
@VirtuallyUseful
Sysadmin, monitoring and Splunk by day, wannabe everything else @ night. Tweets are mine, unless they are wrong, then someone else sent them.
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A Windows 11 bug is duplicating Task Manager process when you use the 'X' close button to exit it. This means Task Manager won’t quit on Windows 11, sending each instance to background. It appears that the October 2025 optional update (Build 26200.7019/26100.7019, which…
Never replied to my post or my DM…
I never run out of content to post anymore. Built an automation that monitors 50+ news sources, scores articles for relevance, and writes social posts automatically. It finds trending topics in my niche before they explode everywhere else. Saves me 15-20 hours monthly and…
🎙️ Open Source Observability Day | Oct 23-24 Join 600+ attendees and 15+ experts for 20+ talks on the latest in open-source observability. - Tracing, Logs, Metrics - Cloud-Native, eBPF - Kubernetes, OpenTelemetry, Prometheus, Clickhouse Register for free
Living devops
Shell scripting is the one skill that separates DevOps engineers who panic during incidents from those who fix them in minutes. I spent 8 years in Linux before I got into DevOps. I wrote a minimalistic ebook on Linux shell scripting that will give you enough knowledge to start…
In this day and age, use any one that might have a job worth having!
An over-the-counter allergy spray just made COVID infections three times less likely. A new study published in JAMA Internal Medicine tested azelastine, an antihistamine spray sold under names like Astelin and Astepro. Used for decades to ease symptoms of hay fever and dust…
164 free Python code tutorials for algorithmic trading, market data analysis, and quant finance:
Quick Linux tip: The diff command is a useful tool for finding differences between files in the Linux terminal. However, icdiff offers an even better side-by-side comparison with colorized output. $ icdiff config-1 config-2 The output will display both files side-by-side with…
Quick Linux tip: If you have trouble reading the directories in the $PATH variable, use the tr command to translate colon (":") characters to newline characters ("n") so they can be displayed in lines: $ echo $PATH | tr ":" "\n"
Before purchasing on Amazon, ensure you do this!
The Constant We do not sit still. Not ever. Not in silence, not in sleep. Even in stillness, we fly — not through space, but through time. Each soul, each particle, each breath of being moves through spacetime at a single, unbroken pace: c — the sacred rhythm, the cosmic…
Microsoft Python Development Professional Certificate clcoding.com/2025/05/micros…
"Data Structures & Algorithms using Python" This book covers all types of data structures from Arrays to Graphs. Simple to complex algorithms. 💯 FREE.
Quite the list of Excel resources…
𝐅𝐫𝐞𝐞 𝐄𝐱𝐜𝐞𝐥 𝐑𝐞𝐬𝐨𝐮𝐫𝐜𝐞𝐬 𝐭𝐨 𝐛𝐞𝐜𝐨𝐦𝐞 𝐚 𝐃𝐚𝐭𝐚 𝐀𝐧𝐚𝐥𝐲𝐬𝐭 𝐢𝐧 𝟐𝟎𝟐𝟓: 1. Excel Data Analytics Full Course: youtube.com/watch?app=desk… 2. Excel Tutorials for Data Analysts: youtube.com/playlist?list=… 3. Practise Excel: excel-practice-online.com 4. Excel…
"Linear Algebra" The 2nd best book on linear algebra with ~1000 practice problems. Absolutely beginner friendly. A MUST for AI & Machine Learning. Completely FREE.
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