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Igor Oseledko
Timeline
Scripting
Commands & Shells
Randomizing Filenames
Commands & Shells
Finding Gaps in Timestamps
Commands & Shells
Coronavirus Stats in Bash
Commands & Shells
Updating Lynis
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Converting Geofency Data to Google Maps
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The Black Box on the Org Chart
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The Post-Language Future of AI Systems
Machine Learning
Outsmarted by a River, a Rope, and an Anchor
Machine Learning
The AI Bubble Isn’t a Bubble. It’s a Trap.
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Randomizing Filenames
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To Mask or Not to Mask
Security
Checking Linux Account Password
Security
The Coronavirus Discussion
Monitoring
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Performance
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Social Networks
Facebook
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Commands & Shells
Finding Gaps in Timestamps
Commands & Shells
Converting Geofency Data to Google Maps
Performance
Analyzing atop Logs with atopsar
Commands & Shells
Verifying SNMP Connectivity on Multiple Hosts
Networking
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Email
Networking
Validating HTTPS Cache Peers for Squid
Commands & Shells
Verifying SNMP Connectivity on Multiple Hosts
Commands & Shells
Bulk-Adding IPTables Rules
Networking
Automatically Block Frequent Visitors
Photography
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Photography
Canyonlands National Park, Utah
Photography
Yellowstone National Park, Wyoming
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Sun Juan Mountains, Colorado
Commands & Shells
Detecting Blurry Photos with ImageMagick
Home
2026
Archives
Infotech
Emacs: The Editor That Contains Multitudes (Including a Therapist)
Igor
-
March 25, 2026
Infotech
The Unix Epoch: Why Your Computer Thinks Time Began in 1970
Igor
-
March 25, 2026
Infotech
strace: The Tool That Lets You Watch System Calls in Embarrassing...
Igor
-
March 25, 2026
Infotech
make: The Build Tool That Treats Tabs and Spaces as Mortal...
Igor
-
March 25, 2026
Infotech
The .rhosts File: Authentication So Trusting It’s Essentially a Welcome Mat
Igor
-
March 25, 2026
Infotech
traceroute: Van Jacobson’s Clever Abuse of TTL Fields
Igor
-
March 25, 2026
Infotech
Perl: The Write-Only Language That Built the Early Web
Igor
-
March 25, 2026
Infotech
PHP: The Accidental Language That Runs Half the Internet
Igor
-
March 25, 2026
Infotech
The Sticky Bit: A Permission Flag That No Longer Does What...
Igor
-
March 25, 2026
Infotech
core dump: Your Program’s Farewell Letter
Igor
-
March 25, 2026
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