{"id":11104,"date":"2024-08-10T11:26:16","date_gmt":"2024-08-10T04:26:16","guid":{"rendered":"https:\/\/cloud.z.com\/vn\/?p=11104"},"modified":"2024-07-17T11:28:04","modified_gmt":"2024-07-17T04:28:04","slug":"kernel","status":"publish","type":"post","link":"https:\/\/cloud.z.com\/vn\/news\/kernel\/","title":{"rendered":"Kernel l\u00e0 g\u00ec? C\u00e1c ch\u1ee9c n\u0103ng c\u1ee7a Kernel trong h\u1ec7 \u0111i\u1ec1u h\u00e0nh"},"content":{"rendered":"<p>Kernel l\u00e0 g\u00ec? Kernel, hay nh\u00e2n h\u1ec7 \u0111i\u1ec1u h\u00e0nh, l\u00e0 th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a m\u1ecdi h\u1ec7 \u0111i\u1ec1u h\u00e0nh, \u0111\u1ea3m nh\u1eadn nhi\u1ec7m v\u1ee5 qu\u1ea3n l\u00fd t\u00e0i nguy\u00ean h\u1ec7 th\u1ed1ng v\u00e0 t\u01b0\u01a1ng t\u00e1c gi\u1eefa ph\u1ea7n c\u1ee9ng v\u00e0 ph\u1ea7n m\u1ec1m. \u0110\u01b0\u1ee3c v\u00ed nh\u01b0 \"b\u1ed9 n\u00e3o\" c\u1ee7a h\u1ec7 \u0111i\u1ec1u h\u00e0nh, Kernel \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u qu\u1ea3. \u0110\u1ec3 hi\u1ec3u chi ti\u1ebft v\u1ec1 ch\u1ee9c n\u0103ng c\u1ee7a Kernel, h\u00e3y c\u00f9ng theo d\u00f5i b\u00e0i vi\u1ebft b\u00ean d\u01b0\u1edbi c\u1ee7a Z.com.<\/p>\n<h3><span style=\"color: #ffff00; font-size: 14pt;\"><cite style=\"margin: 0px; background-color: #4d94ff; border-top-left-radius: 2px; border-top-right-radius: 2px; padding: 12px 20px; font-weight: bold; display: block; font-style: normal;\">Hosting t\u1ed1c \u0111\u1ed9 cao - Ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t [ T\u1eb7ng mi\u1ec5n ph\u00ed tr\u1ecdn b\u1ed9 plugin SEO tr\u1ecb gi\u00e1 359$ ]<\/cite><\/span><\/h3>\n<div class=\"textwidget\" style=\"padding: 20px; background: #cce0ff;\">\n<p><span style=\"color: #000000;\">+\u00a0<strong>Gi\u00e1 kh\u00f4ng th\u1ec3 t\u1ed1t h\u01a1n:<\/strong><\/span>\u00a0Ch\u1ec9 t\u1eeb\u00a0<strong>45<\/strong>K\/th\u00e1ng k\u00e8m nhi\u1ec1u \u01b0u \u0111\u00e3i ch\u1ec9 c\u00f3 t\u1ea1i TENTEN.<\/p>\n<p><span style=\"color: #000000;\">+\u00a0<strong>T\u1eb7ng mi\u1ec5n ph\u00ed b\u1ed9 plugin SEO h\u1ed7 tr\u1ee3 website ONTOP Goole:<\/strong><\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Rank Math Pro - t\u1ed1i \u01b0u SEO<\/li>\n<li>WP rocket - T\u0103ng t\u1ed1c \u0111\u1ed9 t\u1ea3i trang<\/li>\n<li>Imagify - N\u00e9n dung l\u01b0\u1ee3ng \u1ea3nh<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">+\u00a0<strong>B\u1ea3o m\u1eadt 99,99%<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\">+\u00a0<strong>Backup d\u1eef li\u1ec7u th\u01b0\u1eddng xuy\u00ean<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\">+\u00a0<strong>H\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt 24\/7<\/strong><\/span><\/p>\n<p><span style=\"color: #eded34;\"><a class=\"btn_combi_sv\" style=\"font-weight: bold; color: #eded34; padding: 8px 26px 8px 60px; font-size: 20px; line-height: 30px; border-radius: 56px; text-shadow: none; background: #0066ff; display: table; margin: 0px auto;\" href=\"https:\/\/tenten.vn\/hosting\/tong-hop-uu-dai?code=zZPxtXpKTCovQNcM&amp;idCampaign=2712\">L\u1ef0A CH\u1eccN HOSTING PH\u00d9 H\u1ee2P T\u1ea0I \u0110\u00c2Y<\/a><\/span><\/p>\n<\/div>\n<h2><strong>Kernel l\u00e0 g\u00ec?<\/strong><\/h2>\n<p>Kernel, hay nh\u00e2n h\u1ec7 \u0111i\u1ec1u h\u00e0nh, l\u00e0 th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a m\u1ed9t h\u1ec7 \u0111i\u1ec1u h\u00e0nh, ch\u1ecbu tr\u00e1ch nhi\u1ec7m qu\u1ea3n l\u00fd t\u00e0i nguy\u00ean h\u1ec7 th\u1ed1ng v\u00e0 cung c\u1ea5p giao ti\u1ebfp gi\u1eefa ph\u1ea7n c\u1ee9ng v\u00e0 ph\u1ea7n m\u1ec1m. Kernel ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t \"b\u1ed9 n\u00e3o\" c\u1ee7a h\u1ec7 \u0111i\u1ec1u h\u00e0nh, \u0111\u1ea3m b\u1ea3o c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 d\u1ecbch v\u1ee5 ch\u1ea1y tr\u01a1n tru v\u00e0 hi\u1ec7u qu\u1ea3. N\u00f3 x\u1eed l\u00fd c\u00e1c t\u00e1c v\u1ee5 quan tr\u1ecdng nh\u01b0 qu\u1ea3n l\u00fd b\u1ed9 nh\u1edb, \u0111i\u1ec1u khi\u1ec3n ti\u1ebfn tr\u00ecnh, qu\u1ea3n l\u00fd thi\u1ebft b\u1ecb v\u00e0 duy tr\u00ec b\u1ea3o m\u1eadt h\u1ec7 th\u1ed1ng.<\/p>\n<p>Kernel Space l\u00e0 m\u1ed9t v\u00f9ng b\u1ed9 nh\u1edb \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7, kh\u00f4ng th\u1ec3 truy c\u1eadp b\u1edfi c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh \u1ee9ng d\u1ee5ng kh\u00e1c. Code c\u1ee7a Kernel \u0111\u01b0\u1ee3c t\u1ea3i v\u00e0o v\u00f9ng b\u1ed9 nh\u1edb n\u00e0y. B\u00ean c\u1ea1nh \u0111\u00f3, b\u1ed9 nh\u1edb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 User Space. Do hai kh\u00f4ng gian n\u00e0y l\u00e0 ri\u00eang bi\u1ec7t trong b\u1ed9 nh\u1edb, vi\u1ec7c giao ti\u1ebfp gi\u1eefa ch\u00fang c\u00f3 th\u1ec3 ch\u1eadm h\u01a1n m\u1ed9t ch\u00fat.<\/p>\n<div id=\"attachment_24495\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><img aria-describedby=\"caption-attachment-24495\" loading=\"lazy\" class=\"wp-image-24495\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2024\/07\/word-image-24493-2.png\" alt=\"Kernel l\u00e0 g\u00ec?\" width=\"800\" height=\"630\" \/><p id=\"caption-attachment-24495\" class=\"wp-caption-text\">Kernel l\u00e0 g\u00ec?<\/p><\/div>\n<h2><strong>Ch\u1ee9c n\u0103ng c\u1ee7a Kernel l\u00e0 g\u00ec?<\/strong><\/h2>\n<p>Kernel s\u1edf h\u1eefu nhi\u1ec1u ch\u1ee9c n\u0103ng quan tr\u1ecdng \u0111\u1ed1i v\u1edbi nhi\u1ec1u th\u00e0nh ph\u1ea7n kh\u00e1c nhau, c\u1ee5 th\u1ec3.<\/p>\n<h3><strong>Trong h\u1ec7 \u0111i\u1ec1u h\u00e0nh<\/strong><\/h3>\n<p>Kernel trong h\u1ec7 \u0111i\u1ec1u h\u00e0nh t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nh\u01b0 m\u1ed9t d\u1ecbch gi\u1ea3 (translator) chuy\u1ec3n \u0111\u1ed5i y\u00eau c\u1ea7u t\u1eeb ph\u1ea7n m\u1ec1m th\u00e0nh c\u00e1c t\u1eadp l\u1ec7nh m\u00e0 CPU v\u00e0 GPU c\u00f3 th\u1ec3 hi\u1ec3u. N\u00f3 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t l\u1edbp trung gian gi\u1eefa ph\u1ea7n m\u1ec1m v\u00e0 ph\u1ea7n c\u1ee9ng, gi\u00fap c\u00e1c ho\u1ea1t \u0111\u1ed9ng di\u1ec5n ra m\u1ed9t c\u00e1ch m\u01b0\u1ee3t m\u00e0. Kernel c\u00f3 c\u00e1c nhi\u1ec7m v\u1ee5 quan tr\u1ecdng nh\u01b0 qu\u1ea3n l\u00fd truy c\u1eadp v\u00e0o t\u00e0i nguy\u00ean m\u00e1y t\u00ednh nh\u01b0 CPU, thi\u1ebft b\u1ecb I\/O v\u00e0 c\u00e1c t\u00e0i nguy\u00ean kh\u00e1c.<\/p>\n<p>N\u00f3 c\u0169ng ch\u1ecbu tr\u00e1ch nhi\u1ec7m qu\u1ea3n l\u00fd v\u00e0 chia s\u1ebb t\u00e0i nguy\u00ean gi\u1eefa c\u00e1c ti\u1ebfn tr\u00ecnh kh\u00e1c nhau, \u0111i\u1ec1u ph\u1ed1i vi\u1ec7c ph\u00e2n b\u1ed5 b\u1ed9 nh\u1edb v\u00e0 qu\u1ea3n l\u00fd c\u00e1c thi\u1ebft b\u1ecb ngo\u1ea1i vi. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi Kernel th\u00f4ng qua c\u00e1c cu\u1ed9c g\u1ecdi h\u1ec7 th\u1ed1ng (system call). Vi\u1ec7c l\u1ea1m d\u1ee5ng truy c\u1eadp kh\u00f4ng gian Kernel c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c l\u1ed7i trong h\u1ec7 th\u1ed1ng.<\/p>\n<div id=\"attachment_24496\" style=\"width: 455px\" class=\"wp-caption aligncenter\"><img aria-describedby=\"caption-attachment-24496\" loading=\"lazy\" class=\"wp-image-24496\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2024\/07\/word-image-24493-3.jpeg\" alt=\"Ch\u1ee9c n\u0103ng c\u1ee7a Kernel l\u00e0 g\u00ec?\" width=\"445\" height=\"113\" \/><p id=\"caption-attachment-24496\" class=\"wp-caption-text\">Ch\u1ee9c n\u0103ng c\u1ee7a Kernel l\u00e0 g\u00ec?<\/p><\/div>\n<p>&nbsp;<\/p>\n<h3><strong>Trong vi\u1ec7c b\u1ea3o m\u1eadt v\u00e0 b\u1ea3o v\u1ec7<\/strong><\/h3>\n<p>Kernel c\u00f3 ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 ph\u1ea7n c\u1ee9ng v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh \u0111\u1ed9c h\u1ea1i th\u1ef1c hi\u1ec7n t\u00e1c v\u1ee5 tr\u00ean m\u00e1y t\u00ednh m\u1ed9t c\u00e1ch t\u00f9y \u00fd. Trong m\u00e1y t\u00ednh hi\u1ec7n \u0111\u1ea1i, b\u1ea3o m\u1eadt \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf c\u1ea5p \u0111\u1ed9 ph\u1ea7n c\u1ee9ng th\u00f4ng qua Secure Boot v\u00e0 Trusted Boot. Secure Boot gi\u00fap ki\u1ec3m tra ch\u1eef k\u00fd c\u1ee7a ph\u1ea7n m\u1ec1m kh\u1edfi \u0111\u1ed9ng tr\u01b0\u1edbc khi cho ph\u00e9p h\u1ec7 th\u1ed1ng kh\u1edfi \u0111\u1ed9ng, \u0111\u1ea3m b\u1ea3o s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m uy t\u00edn v\u00e0 \u0111\u01b0\u1ee3c nh\u00e0 s\u1ea3n xu\u1ea5t tin c\u1eady.<\/p>\n<h2><strong>Kernel Mode v\u00e0 User Mode<\/strong><\/h2>\n<p>Kernel Mode v\u00e0 User Mode l\u00e0 hai ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng quan tr\u1ecdng c\u1ee7a CPU trong h\u1ec7 \u0111i\u1ec1u h\u00e0nh, \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c qu\u1ea3n l\u00fd t\u00e0i nguy\u00ean v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho h\u1ec7 th\u1ed1ng. C\u00f3 m\u1ed9t s\u1ed1 l\u1ec7nh c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c thi b\u1eb1ng Kernel Mode. Do \u0111\u00f3, CPU ch\u1ec9 th\u1ef1c hi\u1ec7n c\u00e1c l\u1ec7nh n\u00e0y khi \u1edf trong Kernel Mode. V\u00ed d\u1ee5, qu\u1ea3n l\u00fd b\u1ed9 nh\u1edb ch\u1ec9 n\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong Kernel Mode. Khi \u1edf User Mode, CPU s\u1ebd th\u1ef1c thi c\u00e1c ti\u1ebfn tr\u00ecnh do ng\u01b0\u1eddi d\u00f9ng t\u1ea1o ra trong User space.<\/p>\n<div id=\"attachment_24497\" style=\"width: 1210px\" class=\"wp-caption aligncenter\"><img aria-describedby=\"caption-attachment-24497\" loading=\"lazy\" class=\"wp-image-24497\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2024\/07\/word-image-24493-4.png\" alt=\"S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa Kernel Mode v\u00e0 User Mode\" width=\"1200\" height=\"630\" \/><p id=\"caption-attachment-24497\" class=\"wp-caption-text\">S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa Kernel Mode v\u00e0 User Mode<\/p><\/div>\n<p>&nbsp;<\/p>\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa Kernel Mode v\u00e0 User Mode:<\/p>\n<table>\n<thead>\n<tr>\n<th>\n<p><strong>\u0110\u1eb7c \u0111i\u1ec3m<\/strong><\/p>\n<\/th>\n<th>\n<p><strong>Kernel Mode<\/strong><\/p>\n<\/th>\n<th>\n<p><strong>User Mode<\/strong><\/p>\n<\/th>\n<\/tr>\n<tr>\n<th>\n<p>Quy\u1ec1n truy c\u1eadp t\u00e0i nguy\u00ean<\/p>\n<\/th>\n<th>\n<p>Ho\u00e0n to\u00e0n<\/p>\n<\/th>\n<th>\n<p>H\u1ea1n ch\u1ebf<\/p>\n<\/th>\n<\/tr>\n<tr>\n<th>\n<p>M\u1ee9c \u0111\u1ed9 b\u1ea3o m\u1eadt<\/p>\n<\/th>\n<th>\n<p>Cao<\/p>\n<\/th>\n<th>\n<p>Th\u1ea5p<\/p>\n<\/th>\n<\/tr>\n<tr>\n<th>\n<p>Nhi\u1ec7m v\u1ee5<\/p>\n<\/th>\n<th>\n<p>C\u1ed1t l\u00f5i h\u1ec7 th\u1ed1ng<\/p>\n<\/th>\n<th>\n<p>Ch\u1ea1y \u1ee9ng d\u1ee5ng<\/p>\n<\/th>\n<\/tr>\n<tr>\n<th>\n<p>V\u00ed d\u1ee5<\/p>\n<\/th>\n<th>\n<p>Qu\u1ea3n l\u00fd b\u1ed9 nh\u1edb, l\u1eadp l\u1ecbch tr\u00ecnh<\/p>\n<\/th>\n<th>\n<p>Tr\u00ecnh duy\u1ec7t web, game, ph\u1ea7n m\u1ec1m v\u0103n ph\u00f2ng<\/p>\n<\/th>\n<\/tr>\n<\/thead>\n<\/table>\n<h2><strong>Ph\u00e2n bi\u1ec7t c\u00e1c lo\u1ea1i Kernel<\/strong><\/h2>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m, \u01b0u \u0111i\u1ec3m v\u00e0 h\u1ea1n ch\u1ebf c\u1ee7a c\u00e1c lo\u1ea1i Kernel m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o.<\/p>\n<table>\n<thead>\n<tr>\n<th>\n<p><strong>Lo\u1ea1i Kernel<\/strong><\/p>\n<\/th>\n<th>\n<p><strong>\u0110\u1eb7c \u0111i\u1ec3m<\/strong><\/p>\n<\/th>\n<th>\n<p><strong>\u01afu \u0111i\u1ec3m<\/strong><\/p>\n<\/th>\n<th>\n<p><strong>H\u1ea1n ch\u1ebf<\/strong><\/p>\n<\/th>\n<\/tr>\n<tr>\n<th>\n<p><strong>Monolithic Kernel<\/strong><\/p>\n<\/th>\n<th>\n<p>T\u1ea5t c\u1ea3 c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh duy nh\u1ea5t.<\/p>\n<\/th>\n<th>\n<p><strong>Hi\u1ec7u qu\u1ea3 cao:<\/strong> C\u1ea5u tr\u00fac \u0111\u01a1n gi\u1ea3n, \u00edt chi ph\u00ed overhead, t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd nhanh.<\/p>\n<\/th>\n<th>\n<p><strong>Kh\u00f3 s\u1eeda l\u1ed7i v\u00e0 n\u00e2ng c\u1ea5p:<\/strong> Thay \u0111\u1ed5i m\u1ed9t th\u00e0nh ph\u1ea7n c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng.<\/p>\n<\/th>\n<\/tr>\n<tr>\n<th>\n<p><strong>Microkernel<\/strong><\/p>\n<\/th>\n<th>\n<p>C\u00e1c th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i \u0111\u01b0\u1ee3c t\u00e1ch bi\u1ec7t th\u00e0nh c\u00e1c m\u00f4-\u0111un nh\u1ecf.<\/p>\n<\/th>\n<th>\n<p><strong>D\u1ec5 s\u1eeda l\u1ed7i v\u00e0 n\u00e2ng c\u1ea5p:<\/strong> Thay \u0111\u1ed5i m\u1ed9t m\u00f4-\u0111un kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c m\u00f4-\u0111un kh\u00e1c.<\/p>\n<\/th>\n<th>\n<p><strong>Hi\u1ec7u qu\u1ea3 th\u1ea5p h\u01a1n:<\/strong> Giao ti\u1ebfp gi\u1eefa c\u00e1c m\u00f4-\u0111un t\u1ed1n nhi\u1ec1u th\u1eddi gian h\u01a1n.<\/p>\n<\/th>\n<\/tr>\n<tr>\n<th>\n<p><strong>Hybrid Kernel<\/strong><\/p>\n<\/th>\n<th>\n<p>K\u1ebft h\u1ee3p c\u00e1c t\u00ednh n\u0103ng c\u1ee7a monolithic v\u00e0 microkernel.<\/p>\n<\/th>\n<th>\n<p><strong>C\u00e2n b\u1eb1ng hi\u1ec7u qu\u1ea3 v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec:<\/strong> M\u1ed9t s\u1ed1 th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p, m\u1ed9t s\u1ed1 \u0111\u01b0\u1ee3c t\u00e1ch bi\u1ec7t.<\/p>\n<\/th>\n<th>\n<p><strong>Ph\u1ee9c t\u1ea1p h\u01a1n:<\/strong> C\u1ea5u tr\u00fac lai \u0111\u00f2i h\u1ecfi thi\u1ebft k\u1ebf v\u00e0 qu\u1ea3n l\u00fd c\u1ea9n th\u1eadn.<\/p>\n<\/th>\n<\/tr>\n<tr>\n<th>\n<p><strong>Nanokernel<\/strong><\/p>\n<\/th>\n<th>\n<p>Cung c\u1ea5p t\u1ed1i thi\u1ec3u c\u00e1c ch\u1ee9c n\u0103ng c\u1ea7n thi\u1ebft cho h\u1ec7 \u0111i\u1ec1u h\u00e0nh.<\/p>\n<\/th>\n<th>\n<p><strong>K\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn:<\/strong> Ti\u1ebft ki\u1ec7m b\u1ed9 nh\u1edb v\u00e0 ph\u00f9 h\u1ee3p cho c\u00e1c thi\u1ebft b\u1ecb nh\u00fang.<\/p>\n<\/th>\n<th>\n<p><strong>Y\u00eau c\u1ea7u h\u1ec7 th\u1ed1ng h\u1ed7 tr\u1ee3:<\/strong> C\u1ea7n ph\u1ea7n m\u1ec1m b\u1ed5 sung \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ch\u1ee9c n\u0103ng n\u00e2ng cao.<\/p>\n<\/th>\n<\/tr>\n<\/thead>\n<\/table>\n<p>Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 vai tr\u00f2 v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a Kernel gi\u00fap ng\u01b0\u1eddi d\u00f9ng v\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n khai th\u00e1c t\u1ed1i \u0111a hi\u1ec7u qu\u1ea3 v\u00e0 kh\u1ea3 n\u0103ng c\u1ee7a h\u1ec7 \u0111i\u1ec1u h\u00e0nh, \u0111\u1ed3ng th\u1eddi n\u00e2ng cao s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ea3o m\u1eadt cho h\u1ec7 th\u1ed1ng.<\/p>\n<h3><span style=\"color: #ffff00; font-size: 14pt;\"><cite style=\"margin: 0px; background-color: #4d94ff; border-top-left-radius: 2px; border-top-right-radius: 2px; padding: 12px 20px; font-weight: bold; display: block; font-style: normal;\">Hosting t\u1ed1c \u0111\u1ed9 cao - Ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t [ T\u1eb7ng mi\u1ec5n ph\u00ed tr\u1ecdn b\u1ed9 plugin SEO tr\u1ecb gi\u00e1 359$ ]<\/cite><\/span><\/h3>\n<div class=\"textwidget\" style=\"padding: 20px; background: #cce0ff;\">\n<p><span style=\"color: #000000;\">+\u00a0<strong>Gi\u00e1 kh\u00f4ng th\u1ec3 t\u1ed1t h\u01a1n:<\/strong><\/span>\u00a0Ch\u1ec9 t\u1eeb\u00a0<strong>45<\/strong>K\/th\u00e1ng k\u00e8m nhi\u1ec1u \u01b0u \u0111\u00e3i ch\u1ec9 c\u00f3 t\u1ea1i TENTEN.<\/p>\n<p><span style=\"color: #000000;\">+\u00a0<strong>T\u1eb7ng mi\u1ec5n ph\u00ed b\u1ed9 plugin SEO h\u1ed7 tr\u1ee3 website ONTOP Goole:<\/strong><\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Rank Math Pro - t\u1ed1i \u01b0u SEO<\/li>\n<li>WP rocket - T\u0103ng t\u1ed1c \u0111\u1ed9 t\u1ea3i trang<\/li>\n<li>Imagify - N\u00e9n dung l\u01b0\u1ee3ng \u1ea3nh<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">+\u00a0<strong>B\u1ea3o m\u1eadt 99,99%<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\">+\u00a0<strong>Backup d\u1eef li\u1ec7u th\u01b0\u1eddng xuy\u00ean<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\">+\u00a0<strong>H\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt 24\/7<\/strong><\/span><\/p>\n<p><span style=\"color: #eded34;\"><a class=\"btn_combi_sv\" style=\"font-weight: bold; color: #eded34; padding: 8px 26px 8px 60px; font-size: 20px; line-height: 30px; border-radius: 56px; text-shadow: none; background: #0066ff; display: table; margin: 0px auto;\" href=\"https:\/\/tenten.vn\/hosting\/tong-hop-uu-dai?code=zZPxtXpKTCovQNcM&amp;idCampaign=2712\">L\u1ef0A CH\u1eccN HOSTING PH\u00d9 H\u1ee2P T\u1ea0I \u0110\u00c2Y<\/a><\/span><\/p>\n<\/div>\n<h4><strong>B\u00e0i li\u00ean quan<\/strong><\/h4>\n<ul>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/support\/cloud\/thay-doi-mui-gio-va-thoi-gian-trong-centos\/\">Thay \u0111\u1ed5i m\u00fai gi\u1edd v\u00e0 th\u1eddi gian trong CentOS<\/a><\/li>\n<li class=\"title-article\"><a href=\"https:\/\/cloud.z.com\/vn\/news\/centos-7\/\">CentOS 7: H\u01b0\u1edbng d\u1eabn c\u1ea5u h\u00ecnh &amp; c\u00e1c c\u00e0i \u0111\u1eb7t th\u00f4ng d\u1ee5ng nh\u1ea5t<\/a><\/li>\n<li class=\"title-article\"><a href=\"https:\/\/cloud.z.com\/vn\/news\/centos-8\/\">Centos 8 l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t chi ti\u1ebft Centos 8<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/support\/cloud\/kiem-tra-va-mo-port-vps-tren-centos\/\">Ki\u1ec3m tra v\u00e0 m\u1edf port VPS tr\u00ean CentOS<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/support\/cloud\/thiet-lap-tuong-lua-firewalld-tren-centos-7\/\">Thi\u1ebft l\u1eadp t\u01b0\u1eddng l\u1eeda FirewallD tr\u00ean CentOS 7<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/support\/cloud\/huong-dan-doi-port-ssh-mac-dinh-tren-centos-7\/\">H\u01b0\u1edbng d\u1eabn \u0111\u1ed5i port SSH m\u1eb7c \u0111\u1ecbnh tr\u00ean CentOS 7<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Kernel l\u00e0 g\u00ec? Kernel, hay nh\u00e2n h\u1ec7 \u0111i\u1ec1u h\u00e0nh, l\u00e0 th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a m\u1ecdi h\u1ec7 \u0111i\u1ec1u h\u00e0nh, \u0111\u1ea3m nh\u1eadn nhi\u1ec7m v\u1ee5 qu\u1ea3n l\u00fd t\u00e0i nguy\u00ean h\u1ec7 th\u1ed1ng v\u00e0 t\u01b0\u01a1ng t\u00e1c gi\u1eefa ph\u1ea7n c\u1ee9ng v\u00e0 ph\u1ea7n m\u1ec1m. \u0110\u01b0\u1ee3c v\u00ed...<\/p>\n","protected":false},"author":28,"featured_media":11105,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[177,83],"tags":[],"jetpack_featured_media_url":"https:\/\/cloud.z.com\/vn\/wp-content\/uploads\/2024\/07\/kernel.png","_links":{"self":[{"href":"https:\/\/cloud.z.com\/vn\/wp-json\/wp\/v2\/posts\/11104"}],"collection":[{"href":"https:\/\/cloud.z.com\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cloud.z.com\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/wp-json\/wp\/v2\/users\/28"}],"replies":[{"embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/wp-json\/wp\/v2\/comments?post=11104"}],"version-history":[{"count":2,"href":"https:\/\/cloud.z.com\/vn\/wp-json\/wp\/v2\/posts\/11104\/revisions"}],"predecessor-version":[{"id":11131,"href":"https:\/\/cloud.z.com\/vn\/wp-json\/wp\/v2\/posts\/11104\/revisions\/11131"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/wp-json\/wp\/v2\/media\/11105"}],"wp:attachment":[{"href":"https:\/\/cloud.z.com\/vn\/wp-json\/wp\/v2\/media?parent=11104"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/wp-json\/wp\/v2\/categories?post=11104"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/wp-json\/wp\/v2\/tags?post=11104"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}