{"id":8065,"date":"2004-10-16T03:52:35","date_gmt":"2004-10-16T01:52:35","guid":{"rendered":"https:\/\/mamchenkov.net\/wordpress\/2004\/10\/16\/thought-of-the-day\/"},"modified":"2005-04-18T01:31:07","modified_gmt":"2005-04-17T22:31:07","slug":"thought-of-the-day","status":"publish","type":"post","link":"https:\/\/mamchenkov.net\/wordpress\/2004\/10\/16\/thought-of-the-day\/","title":{"rendered":"Thought of the day"},"content":{"rendered":"<!-- google_ad_section_start -->\n<blockquote><p>At 4:00am most of the Linux (and UNIX for that matter) machines start executing a bunch of scripts that clean up temporary files, update file databases, and all sorts of other maintainence work.  For those, who know, I am talking about cron daemon.  Obviously, such a heap of activity increases the power consumption of each individual computer and thus can be monitored by the electricity authority.  And probably it is.  The useful thing here is that this monitoring can be used for estimating the number of Linux\/UNIX machines in the geographical area, such as a region, city, or, even, a country.<\/p><\/blockquote>\n<!-- google_ad_section_end -->\n","protected":false},"excerpt":{"rendered":"<!-- google_ad_section_start -->\n<p>At 4:00am most of the Linux (and UNIX for that matter) machines start executing a bunch of scripts that clean up temporary files, update file databases, and all sorts of other maintainence work. For those, who know, I am talking about cron daemon. Obviously, such a heap of activity increases the power consumption of each &hellip; <a href=\"https:\/\/mamchenkov.net\/wordpress\/2004\/10\/16\/thought-of-the-day\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Thought of the day<\/span><\/a><\/p>\n<!-- google_ad_section_end -->\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false,"_links_to":"","_links_to_target":""},"categories":[1,62],"tags":[2416],"keyring_services":[],"class_list":["post-8065","post","type-post","status-publish","format-standard","hentry","category-general","category-technology","tag-thoughts"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"At 4:00am most of the Linux (and UNIX for that matter) machines start executing a bunch of scripts that clean up temporary files, update file databases, and all sorts of other maintainence work. 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Obviously, such a heap of activity increases the power consumption of each\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Leonid Mamchenkov\"\/>\n\t<meta name=\"google-site-verification\" content=\"VHvdD0_usx1_4DzKy_QCVcICVgX2EgA2ybELT-wl7kQ\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/mamchenkov.net\/wordpress\/2004\/10\/16\/thought-of-the-day\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.8\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Leonid Mamchenkov - Life, universe, and everything else\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Thought of the day - Leonid Mamchenkov\" \/>\n\t\t<meta property=\"og:description\" content=\"At 4:00am most of the Linux (and UNIX for that matter) machines start executing a bunch of scripts that clean up temporary files, update file databases, and all sorts of other maintainence work. 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That is, younger hackers don\u2019t know the bit structure of ASCII and the meaning of the odder control\u2026","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":21803,"url":"https:\/\/mamchenkov.net\/wordpress\/2014\/05\/13\/1400000000-in-unix-time\/","url_meta":{"origin":8065,"position":2},"title":"1,400,000,000 in Unix time","author":"Leonid Mamchenkov","date":"May 13, 2014","format":"status","excerpt":"Today at 16:53:20 GMT, it'll be 1,400,000,000 in Unix time.","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":21998,"url":"https:\/\/mamchenkov.net\/wordpress\/2014\/06\/17\/percol-interactive-filtering-in-unix-pipe\/","url_meta":{"origin":8065,"position":3},"title":"percol &#8211; interactive filtering in UNIX pipe","author":"Leonid Mamchenkov","date":"June 17, 2014","format":"link","excerpt":"percol - interactive filtering in UNIX pipe","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"percol","src":"https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2014\/06\/percol-500x311.gif?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":28226,"url":"https:\/\/mamchenkov.net\/wordpress\/2017\/11\/15\/all-500-of-the-worlds-top-500-supercomputers-are-running-linux\/","url_meta":{"origin":8065,"position":4},"title":"All 500 of the World&#8217;s Top 500 Supercomputers Are Running Linux","author":"Leonid Mamchenkov","date":"November 15, 2017","format":false,"excerpt":"Slashdot shares the story: Linux rules supercomputing. 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