{"id":476580,"date":"2023-08-09T07:31:20","date_gmt":"2023-08-09T07:31:20","guid":{"rendered":""},"modified":"2023-09-05T11:13:01","modified_gmt":"2023-09-05T11:13:01","slug":"daemon","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/daemon\/","title":{"rendered":"\u30c7\u30fc\u30e2\u30f3"},"content":{"rendered":"<p>\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u5206\u91ce\u3067\u306f\u3001\u30c7\u30fc\u30e2\u30f3\u306f\u7d99\u7d9a\u7684\u306b\u5b9f\u884c\u3055\u308c\u308b\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9 \u30d7\u30ed\u30bb\u30b9\u306e\u4e00\u7a2e\u3067\u3042\u308a\u3001\u3055\u307e\u3056\u307e\u306a\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2 \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3084\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 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\u958b\u767a\u306e\u521d\u671f\u306b\u767b\u5834\u3057\u307e\u3057\u305f\u3002 Multics \u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u306f\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9 \u30d7\u30ed\u30bb\u30b9\u306e\u6982\u5ff5\u3092\u5c0e\u5165\u3057\u3001\u3053\u308c\u306f\u5f8c\u306b Unix \u306e\u958b\u767a\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3057\u305f\u3002<\/p>\n<p>\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u6587\u8108\u3067\u300c\u30c7\u30fc\u30e2\u30f3\u300d\u3068\u3044\u3046\u7528\u8a9e\u304c\u521d\u3081\u3066\u8a00\u53ca\u3055\u308c\u305f\u306e\u306f\u30011970 \u5e74\u4ee3\u521d\u982d\u306e Unix \u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u30ba 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\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306b\u3088\u308a\u3001\u5143\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u7d42\u4e86\u3059\u308b\u4e00\u65b9\u3067\u3001\u65b0\u3057\u3044\u30d7\u30ed\u30bb\u30b9\u304c\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u5b9f\u884c\u3092\u7d99\u7d9a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30bf\u30fc\u30df\u30ca\u30eb\u304b\u3089\u306e\u63a5\u7d9a\u89e3\u9664:<\/strong> \u7aef\u672b\u30bb\u30c3\u30b7\u30e7\u30f3\u304b\u3089\u306e\u72ec\u7acb\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u3001\u30c7\u30fc\u30e2\u30f3\u306f <code data-no-translation=\"\">setsid()<\/code> \u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3001\u65b0\u3057\u3044\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3057\u3001\u7aef\u672b\u306e\u95a2\u9023\u4ed8\u3051\u304b\u3089\u81ea\u5206\u81ea\u8eab\u3092\u5207\u308a\u96e2\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4fe1\u53f7\u306e\u51e6\u7406:<\/strong> \u30c7\u30fc\u30e2\u30f3\u306f\u3001\u69cb\u6210\u30d5\u30a1\u30a4\u30eb\u306e\u518d\u8aad\u307f\u53d6\u308a\u3084\u3001\u7d42\u4e86\u30b7\u30b0\u30ca\u30eb\u306e\u53d7\u4fe1\u6642\u306e\u6b63\u5e38\u306a\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u306a\u3069\u3001\u7279\u5b9a\u306e\u30a4\u30d9\u30f3\u30c8\u306b\u5fdc\u7b54\u3059\u308b\u30b7\u30b0\u30ca\u30eb \u30cf\u30f3\u30c9\u30e9\u30fc\u3092\u5b9f\u88c5\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30bf\u30b9\u30af\u306e\u5b9f\u884c:<\/strong> \u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u304c\u5b8c\u4e86\u3059\u308b\u3068\u3001\u30c7\u30fc\u30e2\u30f3\u306f\u30e1\u30a4\u30f3 \u30eb\u30fc\u30d7\u306b\u5165\u308a\u3001\u6307\u5b9a\u3055\u308c\u305f\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3057\u3001\u3055\u3089\u306a\u308b\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u30c8\u30ea\u30ac\u30fc\u3059\u308b\u30a4\u30d9\u30f3\u30c8\u3092\u5f85\u3061\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u30c7\u30fc\u30e2\u30f3\u306e\u4e3b\u306a\u6a5f\u80fd\u306e\u5206\u6790<\/h2>\n<p>\u30c7\u30fc\u30e2\u30f3\u306e\u4e3b\u8981\u306a\u6a5f\u80fd\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30b7\u30b9\u30c6\u30e0\u64cd\u4f5c\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u969b\u306e\u6a5f\u80fd\u3068\u6709\u52b9\u6027\u306b\u3068\u3063\u3066\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u6a5f\u80fd\u3092\u3055\u3089\u306b\u8a73\u3057\u304f\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u52b9\u7387\uff1a<\/strong> \u30c7\u30fc\u30e2\u30f3\u306f\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u52b9\u7387\u7684\u306b\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u64cd\u4f5c\u3084\u305d\u306e\u4ed6\u306e\u91cd\u8981\u306a\u30d7\u30ed\u30bb\u30b9\u3092\u59a8\u3052\u306a\u3044\u3088\u3046\u306b\u30b7\u30b9\u30c6\u30e0 \u30ea\u30bd\u30fc\u30b9\u3092\u8ce2\u660e\u306b\u5229\u7528\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4fe1\u983c\u6027\uff1a<\/strong> \u9577\u6642\u9593\u5b9f\u884c\u3055\u308c\u308b\u30d7\u30ed\u30bb\u30b9\u3068\u3057\u3066\u3001\u30c7\u30fc\u30e2\u30f3\u306b\u306f\u4fe1\u983c\u6027\u304c\u3042\u308a\u3001\u30af\u30e9\u30c3\u30b7\u30e5\u306b\u5bfe\u3059\u308b\u8010\u6027\u304c\u671f\u5f85\u3055\u308c\u307e\u3059\u3002\u591a\u304f\u306e\u5834\u5408\u3001\u969c\u5bb3\u3092\u8a3a\u65ad\u3057\u3066\u56de\u5fa9\u3059\u308b\u305f\u3081\u306e\u30a8\u30e9\u30fc\u51e6\u7406\u30e1\u30ab\u30cb\u30ba\u30e0\u3068\u30ed\u30b0\u8a18\u9332\u30e1\u30ab\u30cb\u30ba\u30e0\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u67d4\u8edf\u6027:<\/strong> \u30c7\u30fc\u30e2\u30f3\u306f\u3001\u7279\u5b9a\u306e\u8981\u4ef6\u306b\u5408\u308f\u305b\u3066\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u304a\u3088\u3073\u69cb\u6210\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u52d5\u4f5c\u306f\u3001\u518d\u30b3\u30f3\u30d1\u30a4\u30eb\u3092\u5fc5\u8981\u3068\u305b\u305a\u306b\u3001\u69cb\u6210\u30d5\u30a1\u30a4\u30eb\u3092\u901a\u3058\u3066\u8abf\u6574\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u81ea\u5f8b\u6027:<\/strong> \u81ea\u5f8b\u7684\u306b\u52d5\u4f5c\u3059\u308b\u30c7\u30fc\u30e2\u30f3\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u4ecb\u5165\u306a\u3057\u3067\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3067\u304d\u3001\u91cd\u8981\u306a\u30b7\u30b9\u30c6\u30e0 \u30b5\u30fc\u30d3\u30b9\u3092\u5e38\u306b\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u30c7\u30fc\u30e2\u30f3\u306e\u7a2e\u985e: \u30c6\u30fc\u30d6\u30eb\u3068\u30ea\u30b9\u30c8<\/h2>\n<p>\u30c7\u30fc\u30e2\u30f3\u306b\u306f\u591a\u6570\u306e\u7a2e\u985e\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u304c\u7279\u5b9a\u306e\u76ee\u7684\u3092\u679c\u305f\u3057\u3001\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u306e\u5168\u4f53\u7684\u306a\u6a5f\u80fd\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u30c7\u30fc\u30e2\u30f3\u306e\u7a2e\u985e\u3092\u3044\u304f\u3064\u304b\u793a\u3057\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30c7\u30fc\u30e2\u30f3\u306e\u7a2e\u985e<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c7\u30fc\u30e2\u30f3<\/strong><\/td>\n<td>HTTP (Apache \u306a\u3069)\u3001DNS (Bind \u306a\u3069)\u3001\u96fb\u5b50\u30e1\u30fc\u30eb (Sendmail \u306a\u3069) \u306a\u3069\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30b5\u30fc\u30d3\u30b9\u3092\u7ba1\u7406\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30b7\u30b9\u30c6\u30e0\u30c7\u30fc\u30e2\u30f3<\/strong><\/td>\n<td>\u30bf\u30b9\u30af\u306e\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb (Cron \u306a\u3069)\u3001\u30ed\u30ae\u30f3\u30b0 (syslogd \u306a\u3069)\u3001\u96fb\u6e90\u7ba1\u7406\u306a\u3069\u306e\u30b3\u30a2 \u30b7\u30b9\u30c6\u30e0\u6a5f\u80fd\u3092\u51e6\u7406\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30c7\u30d0\u30a4\u30b9\u30c7\u30fc\u30e2\u30f3<\/strong><\/td>\n<td>\u30d7\u30ea\u30f3\u30bf (CUPS \u306a\u3069) \u3084\u30b9\u30c8\u30ec\u30fc\u30b8 \u30c7\u30d0\u30a4\u30b9 (udev \u306a\u3069) \u3092\u542b\u3080\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2 \u30c7\u30d0\u30a4\u30b9\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c7\u30fc\u30e2\u30f3<\/strong><\/td>\n<td>MySQL \u3084 PostgreSQL \u306a\u3069\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9 \u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30c7\u30fc\u30e2\u30f3\u306e\u4f7f\u7528\u65b9\u6cd5\u3068\u4f7f\u7528\u306b\u4f34\u3046\u554f\u984c\u70b9\u3068\u305d\u306e\u89e3\u6c7a\u65b9\u6cd5<\/h2>\n<p>\u30c7\u30fc\u30e2\u30f3\u306f\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u306e\u91cd\u8981\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3042\u308a\u3001\u305d\u306e\u7528\u9014\u306f\u591a\u5c90\u306b\u308f\u305f\u308a\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u4f7f\u7528\u4f8b\u3092\u3044\u304f\u3064\u304b\u793a\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc:<\/strong> Apache \u3084 Nginx \u306a\u3069\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c7\u30fc\u30e2\u30f3\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30d6\u30e9\u30a6\u30b6\u306b Web \u30da\u30fc\u30b8\u3092\u63d0\u4f9b\u3059\u308b Web \u30b5\u30fc\u30d0\u30fc\u3068\u3057\u3066\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u81ea\u52d5\u30d0\u30c3\u30af\u30a2\u30c3\u30d7:<\/strong> \u30b7\u30b9\u30c6\u30e0 \u30c7\u30fc\u30e2\u30f3\u306f\u3001\u91cd\u8981\u306a\u30c7\u30fc\u30bf\u3068\u69cb\u6210\u30d5\u30a1\u30a4\u30eb\u306e\u81ea\u52d5\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u5b9f\u884c\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5370\u5237\u30b5\u30fc\u30d3\u30b9:<\/strong> CUPS \u306a\u3069\u306e\u30c7\u30d0\u30a4\u30b9 \u30c7\u30fc\u30e2\u30f3\u306f\u3001\u5370\u5237\u30b8\u30e7\u30d6\u3092\u7ba1\u7406\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u7531\u3067\u30d7\u30ea\u30f3\u30bf\u30fc\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u305f\u3060\u3057\u3001\u4e0d\u9069\u5207\u306a\u69cb\u6210\u3084\u30c7\u30fc\u30e2\u30f3\u306e\u554f\u984c\u306f\u3001\u30ea\u30bd\u30fc\u30b9\u306e\u67af\u6e07\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u8106\u5f31\u6027\u3001\u3055\u3089\u306b\u306f\u30b7\u30b9\u30c6\u30e0\u306e\u30af\u30e9\u30c3\u30b7\u30e5\u306a\u3069\u306e\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u554f\u984c\u3092\u8efd\u6e1b\u3059\u308b\u305f\u3081\u306b\u3001\u6b21\u306e\u89e3\u6c7a\u7b56\u304c\u3088\u304f\u63a1\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u5b9a\u671f\u7684\u306a\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8:<\/strong> \u65e2\u77e5\u306e\u8106\u5f31\u6027\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306b\u3001\u6700\u65b0\u306e\u30d1\u30c3\u30c1\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fee\u6b63\u3092\u9069\u7528\u3057\u3066\u30c7\u30fc\u30e2\u30f3\u3068\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u3092\u6700\u65b0\u306e\u72b6\u614b\u306b\u4fdd\u3061\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u76e3\u8996\u3068\u30ed\u30ae\u30f3\u30b0:<\/strong> \u76e3\u8996\u30c4\u30fc\u30eb\u3068\u96c6\u4e2d\u30ed\u30b0\u3092\u5b9f\u88c5\u3057\u3066\u3001\u30c7\u30fc\u30e2\u30f3\u95a2\u9023\u306e\u554f\u984c\u3092\u4e8b\u524d\u306b\u691c\u51fa\u3057\u3066\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8cc7\u6e90\u7ba1\u7406\uff1a<\/strong> \u30ea\u30bd\u30fc\u30b9\u3092\u8ce2\u660e\u306b\u4f7f\u7528\u3059\u308b\u3088\u3046\u306b\u30c7\u30fc\u30e2\u30f3\u3092\u69cb\u6210\u3057\u3001\u30b7\u30b9\u30c6\u30e0 \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3078\u306e\u5f71\u97ff\u3092\u5236\u9650\u3057\u3001\u30ea\u30bd\u30fc\u30b9\u306e\u67af\u6e07\u3092\u9632\u304e\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb \u30eb\u30fc\u30eb:<\/strong> \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb \u30eb\u30fc\u30eb\u3092\u8a2d\u5b9a\u3057\u3066\u3001\u4fe1\u983c\u3067\u304d\u306a\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u306e\u30c7\u30fc\u30e2\u30f3\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u5236\u9650\u3057\u3001\u653b\u6483\u5bfe\u8c61\u9818\u57df\u3092\u6e1b\u3089\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u4e3b\u306a\u7279\u5fb4\u3068\u985e\u4f3c\u7528\u8a9e\u3068\u306e\u6bd4\u8f03<\/h2>\n<h3>\u30c7\u30fc\u30e2\u30f3\u3068\u30b5\u30fc\u30d3\u30b9<\/h3>\n<p>\u300c\u30c7\u30fc\u30e2\u30f3\u300d\u3068\u300c\u30b5\u30fc\u30d3\u30b9\u300d\u3068\u3044\u3046\u7528\u8a9e\u306f\u3001\u591a\u304f\u306e\u5834\u5408\u540c\u3058\u610f\u5473\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059\u304c\u3001\u3053\u306e 2 \u3064\u306e\u9593\u306b\u306f\u5fae\u5999\u306a\u9055\u3044\u304c\u3042\u308a\u307e\u3059\u3002\u30c7\u30fc\u30e2\u30f3\u306f\u7d99\u7d9a\u7684\u306b\u5b9f\u884c\u3055\u308c\u308b\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9 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\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u52b9\u7387\u7684\u306b\u51e6\u7406\u3067\u304d\u3001\u30e6\u30fc\u30b6\u30fc\u3068\u30ea\u30e2\u30fc\u30c8 \u30b5\u30fc\u30d0\u30fc\u9593\u306e\u30b9\u30e0\u30fc\u30ba\u3067\u6700\u9069\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf \u30d5\u30ed\u30fc\u3092\u78ba\u4fdd\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<p>\u30c7\u30fc\u30e2\u30f3\u3068\u95a2\u9023\u30c8\u30d4\u30c3\u30af\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u6b21\u306e\u30ea\u30f3\u30af\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Daemon_(computing)\" target=\"_new\" rel=\"noopener nofollow\">\u30a6\u30a3\u30ad\u30da\u30c7\u30a3\u30a2: \u30c7\u30fc\u30e2\u30f3 (\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0)<\/a><\/li>\n<li><a href=\"https:\/\/tldp.org\/LDP\/intro-linux\/html\/sect_03_01.html\" target=\"_new\" rel=\"noopener nofollow\">Linux \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8 \u30d7\u30ed\u30b8\u30a7\u30af\u30c8: \u30c7\u30fc\u30e2\u30f3<\/a><\/li>\n<li><a href=\"http:\/\/www.ee.surrey.ac.uk\/Teaching\/Unix\/unix3.html\" target=\"_new\" rel=\"noopener nofollow\">\u521d\u5fc3\u8005\u306e\u305f\u3081\u306e UNIX: \u30c7\u30fc\u30e2\u30f3<\/a><\/li>\n<\/ul>\n<p>\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0 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Overview<\/mark>","faq_items":[{"question":"What is a daemon?","answer":"A daemon is a type of background process that runs continuously on a computer system, performing specific tasks to support the functioning of various software applications and the operating system. Unlike regular programs, daemons are not initiated by direct user interaction but are activated at system boot or specific events."},{"question":"How did the concept of daemons originate?","answer":"The term \"daemon\" has its origins in ancient Greek mythology, referring to benevolent supernatural beings or spirits. In computing, the concept of daemons emerged in the early days of Unix development in the 1960s, influenced by the Multics operating system. The first mention of the term \"daemon\" in computing can be found in the early 1970s Unix Programmer's Manual."},{"question":"What tasks do daemons perform?","answer":"Daemons have a wide range of responsibilities, including managing hardware devices, handling network services, scheduling tasks, and ensuring system stability. They work silently in the background, carrying out tasks without direct user interaction."},{"question":"How does a daemon operate?","answer":"When the system starts, a daemon is initialized by the operating system. It often reads its configuration files during startup to determine its behavior and tasks. After initialization, the daemon creates a new process, detaches from the terminal, and enters its main loop to execute designated tasks continuously."},{"question":"What are the key features of daemons?","answer":"Some key features of daemons include background operation, no direct user interaction, process management, and robust logging and error handling. These features enable daemons to run efficiently, reliably, and autonomously in the background."},{"question":"What are the types of daemons?","answer":"Daemons come in various types, each serving specific purposes. Common types include network daemons (e.g., Apache, Bind), system daemons (e.g., Cron, syslogd), device daemons (e.g., CUPS, udev), and database daemons (e.g., MySQL, PostgreSQL)."},{"question":"How can daemons be used, and what problems can arise?","answer":"Daemons are widely used for tasks like web serving, automated backups, and print services. However, improper configuration or issues with daemons can lead to problems like resource exhaustion, security vulnerabilities, or system crashes. Regular updates, monitoring, resource management, and firewall rules are among the solutions to mitigate these issues."},{"question":"How does the future look for daemons?","answer":"As technology advances, daemons will continue to play a crucial role in computer systems. Advancements in containerization, microservices, and cloud computing will influence how daemons are deployed and managed in complex distributed systems."},{"question":"How are proxy servers related to daemons?","answer":"Proxy servers, such as Squid and HAProxy, often utilize daemons to manage network connections, cache content, and handle requests. Daemons enable proxy servers to efficiently handle a large number of client requests, ensuring optimized data flow between users and remote servers."}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/476580","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/476580\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/482660"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=476580"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}