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Igor Oseledko
Timeline
Scripting
Commands & Shells
Fuzzy Search with Linux
Commands & Shells
Appending Filenames
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Renaming Files with exiftool, Part II
Commands & Shells
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Updating PHP 5.6w to 7.1u on CentOS 6.10
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Windows 10 Upgrades
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LLM Collapse Explained
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Fuzzy Search with Linux
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Basic Data Recovery in Linux
Commands & Shells
Renaming Files with exiftool, Part II
Monitoring
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Performance
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Social Networks
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Analyzing atop Logs with atopsar
Commands & Shells
Verifying SNMP Connectivity on Multiple Hosts
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Selecting Time Ranges from Logs, Part 2
Performance
Server and Application Resiliency Testing
Networking
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Validating HTTPS Cache Peers for Squid
Commands & Shells
Verifying SNMP Connectivity on Multiple Hosts
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Bulk-Adding IPTables Rules
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Automatically Block Frequent Visitors
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Sun Juan Mountains, Colorado
Commands & Shells
Detecting Blurry Photos with ImageMagick
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Longwood Gardens, August 2019
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Finding Duplicate Photos
Home
2025
Archives
History
XFS: Big Filesystem, Big Holes
Igor
-
May 8, 2025
History
“Foo” and “Bar”: Unix placeholder names stolen from WWII slang
Igor
-
May 8, 2025
History
Exit codes and loops: Traps await the unwary
Igor
-
May 8, 2025
History
COBOL: Zombie Language That Refuses to Die
Igor
-
May 8, 2025
History
EBCDIC: IBM’s Lingering Nightmare
Igor
-
May 8, 2025
History
The Slash Wars
Igor
-
May 8, 2025
History
Email: Just Another ARPANET Quick Hack
Igor
-
May 8, 2025
History
UFS on Solaris: Fragmentation Funhouse
Igor
-
May 8, 2025
History
COBOL: “ALTER” — Self-Modifying Nightmares
Igor
-
May 8, 2025
History
The Infamous Morris Worm: The Internet’s First Own Goal
Igor
-
May 8, 2025
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