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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
Processes
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
eBPF: The Linux Kernel’s Accidental Extension Language
Igor
-
March 26, 2026
Infotech
DTrace: The Debugging Superpower That Took a Decade to Reach Linux
Igor
-
March 26, 2026
Infotech
ZFS: The Last Filesystem You’ll Ever Need, If Your RAM Holds...
Igor
-
March 26, 2026
Infotech
Sun Microsystems: The Company That Invented the Modern Data Centre and...
Igor
-
March 26, 2026
Infotech
The Curses Library: Terminal UIs Powered by Ancient VT100 Incantations
Igor
-
March 26, 2026
Infotech
nice: The Command That Asks Your Process to Please Calm Down
Igor
-
March 26, 2026
Infotech
/etc/hosts: The Original DNS, Still Lurking on Every Machine
Igor
-
March 26, 2026
Infotech
The Heartbleed Bug: Two Years of Open-Heart Surgery on the Internet
Igor
-
March 26, 2026
Infotech
nohup: Because Your Job Shouldn’t Die Just Because You Logged Out
Igor
-
March 26, 2026
Infotech
umask: The Permission Subtractor Nobody Thinks About Until It’s Wrong
Igor
-
March 26, 2026
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