{"id":12368922,"date":"2026-03-14T19:14:55","date_gmt":"2026-03-14T11:14:55","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/%e7%8b%ac%e7%ab%8b%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%8c%e6%95%b4%e6%8c%87%e5%8d%97%ef%bc%9a%e4%bb%8e%e9%80%89%e8%b4%ad%e5%88%b0%e9%83%a8%e7%bd%b2%e7%9a%84%e7%bb%88%e6%9e%81%e8%a7%a3%e5%86%b3%e6%96%b9\/"},"modified":"2026-03-14T19:28:31","modified_gmt":"2026-03-14T11:28:31","slug":"dedicated-server-guide-selection-deployment-solution","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/vi\/knowledge\/dedicated-server\/dedicated-server-guide-selection-deployment-solution\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 m\u00e1y ch\u1ee7 ri\u00eang: Gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u t\u1eeb l\u1ef1a ch\u1ecdn \u0111\u1ebfn tri\u1ec3n khai"},"content":{"rendered":"

Trong b\u1ed1i c\u1ea3nh c\u00e1c d\u1ecbch v\u1ee5 s\u1ed1 \u0111ang ph\u00e1t tri\u1ec3n v\u1edbi t\u1ed1c \u0111\u1ed9 ch\u00f3ng m\u1eb7t ng\u00e0y nay, vi\u1ec7c s\u1edf h\u1eefu m\u1ed9t c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng tr\u1ef1c tuy\u1ebfn \u1ed5n \u0111\u1ecbnh, c\u00f3 hi\u1ec7u su\u1ea5t cao v\u00e0 ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c l\u00e0 \u0111i\u1ec1u v\u00f4 c\u00f9ng quan tr\u1ecdng. M\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp, v\u1edbi vai tr\u00f2 l\u00e0 gi\u1ea3i ph\u00e1p s\u1eed d\u1ee5ng \u0111\u1ed9c quy\u1ec1n c\u00e1c ngu\u1ed3n l\u1ef1c m\u00e1y ch\u1ee7 v\u1eadt l\u00fd, mang \u0111\u1ebfn l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c doanh nghi\u1ec7p v\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n mu\u1ed1n \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u, t\u00ednh b\u1ea3o m\u1eadt cao v\u00e0 kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t t\u00f9y ch\u1ec9nh. Kh\u00e1c v\u1edbi m\u00e1y ch\u1ee7 chia s\u1ebb ho\u1eb7c m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y, b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng to\u00e0n b\u1ed9 c\u00e1c ngu\u1ed3n l\u1ef1c ph\u1ea7n c\u1ee9ng c\u1ee7a m\u00e1y ch\u1ee7 \u2013 bao g\u1ed3m CPU, b\u1ed9 nh\u1edb, \u1ed5 \u0111\u0129a v\u00e0 b\u0103ng th\u00f4ng \u2013 nh\u1edd \u0111\u00f3 t\u1eadn h\u01b0\u1edfng m\u1ee9c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 t\u1ef1 do kh\u00f4ng th\u1ec3 so s\u00e1nh \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n

M\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp l\u00e0 g\u00ec?<\/h2>\n\n\n\n

M\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp, nh\u01b0 t\u00ean g\u1ecdi c\u1ee7a n\u00f3, l\u00e0 m\u00e1y ch\u1ee7 v\u1eadt l\u00fd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ho\u00e0n to\u00e0n ri\u00eang b\u1edfi m\u1ed9t ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c t\u1ed5 ch\u1ee9c duy nh\u1ea5t. Kh\u00e1c v\u1edbi m\u00e1y ch\u1ee7 \u1ea3o (virtual host) ho\u1eb7c m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y (cloud server), n\u00f3 kh\u00f4ng chia s\u1ebb c\u00e1c t\u00e0i nguy\u00ean ph\u1ea7n c\u1ee9ng c\u01a1 b\u1ea3n v\u1edbi ng\u01b0\u1eddi d\u00f9ng kh\u00e1c. B\u1ea1n c\u00f3 th\u1ec3 coi n\u00f3 nh\u01b0 vi\u1ec7c thu\u00ea ho\u1eb7c mua m\u1ed9t m\u00e1y t\u00ednh v\u1eadt l\u00fd m\u1ea1nh m\u1ebd t\u1ea1i trung t\u00e2m d\u1eef li\u1ec7u, v\u00e0 qu\u1ea3n l\u00fd n\u00f3 t\u1eeb xa th\u00f4ng qua m\u1ea1ng.<\/p>\n\n\n\n

L\u1ee3i th\u1ebf v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m c\u1ed1t l\u00f5i<\/h3>\n\n\n\n

L\u1ee3i th\u1ebf c\u1ed1t l\u00f5i c\u1ee7a c\u00e1c m\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp n\u1eb1m \u1edf t\u00ednh \u0111\u1ed9c quy\u1ec1n v\u1ec1 t\u00e0i nguy\u00ean v\u00e0 kh\u1ea3 n\u0103ng qu\u1ea3n l\u00fd ho\u00e0n to\u00e0n t\u1ef1 ch\u1ee7. V\u00ec kh\u00f4ng c\u1ea7n ph\u1ea3i c\u1ea1nh tranh v\u1edbi c\u00e1c nh\u00e0 thu\u00ea kh\u00e1c v\u1ec1 CPU, b\u1ed9 nh\u1edb ho\u1eb7c t\u00e0i nguy\u00ean I\/O, \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng m\u1ed9t c\u00e1ch \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u su\u1ea5t cao, \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p \u0111\u1ec3 x\u1eed l\u00fd l\u01b0\u1ee3ng l\u01b0u l\u01b0\u1ee3ng l\u1edbn, c\u00e1c t\u00ednh to\u00e1n ph\u1ee9c t\u1ea1p ho\u1eb7c c\u00e1c t\u00e1c v\u1ee5 d\u1eef li\u1ec7u theo th\u1eddi gian th\u1ef1c.<\/p>\n

\u0110\u1ecdc th\u00eam To\u00e0n di\u1ec7n ph\u00e2n t\u00edch m\u00e1y ch\u1ee7 ri\u00eang: H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 t\u1eeb l\u1ef1a ch\u1ecdn, c\u1ea5u h\u00ecnh \u0111\u1ebfn v\u1eadn h\u00e0nh b\u1ea3o tr\u00ec<\/a>\u3002<\/p>\n\n\n\n\n

V\u1ec1 m\u1eb7t b\u1ea3o m\u1eadt, vi\u1ec7c c\u00e1ch ly v\u1eadt l\u00fd l\u00e0 m\u1ed9t trong nh\u1eefng bi\u1ec7n ph\u00e1p an ninh cao nh\u1ea5t. B\u1ea1n kh\u00f4ng c\u1ea7n ph\u1ea3i lo l\u1eafng v\u1ec1 c\u00e1c l\u1ed7 h\u1ed5ng ho\u1eb7c h\u00e0nh vi x\u1ea5u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng kh\u00e1c tr\u00ean c\u00f9ng m\u1ed9t h\u1ec7 th\u1ed1ng ph\u1ea7n c\u1ee9ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn b\u1ea1n. B\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 do c\u1ea5u h\u00ecnh t\u01b0\u1eddng l\u1eeda, ch\u00ednh s\u00e1ch b\u1ea3o m\u1eadt v\u00e0 quy\u1ec1n truy c\u1eadp theo nhu c\u1ea7u c\u1ee7a m\u00ecnh.<\/p>\n\n

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\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"M\u00e1y\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t<\/div>\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t
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\r\n\t\t\t\t\tM\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp Bluehost<\/strong>\r\n\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\u0110\u1ea3m b\u1ea3o t\u1ef7 l\u1ec7 tr\u1ef1c tuy\u1ebfn 99,99%, quy\u1ec1n qu\u1ea3n tr\u1ecb cao nh\u1ea5t. S\u1eed d\u1ee5ng CPU Intel Xeon th\u1ebf h\u1ec7 m\u1edbi v\u00e0 \u1ed5 c\u1ee9ng NVMe t\u1ed1c \u0111\u1ed9 cao.<\/span>\r\n\t\t\t\t
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\u01afu \u0111\u00e3i cao nh\u1ea5t 26%<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\tTruy c\u1eadp m\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp Bluehost \u2192<\/a>\r\n\t\t\t\t\t\t\t<\/div> \r\n\t\t<\/div>\r\n\t<\/div>\r\n\t\t\r\n\t\r\n\t
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\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"M\u00e1y\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t<\/div>\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t
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\r\n\t\t\t\t\tM\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp UltaHost<\/strong>\r\n\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t99.991% th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o, b\u1ea3o v\u1ec7 DDoS mi\u1ec5n ph\u00ed, h\u1ed7 tr\u1ee3 chuy\u00ean gia 24\/7, ch\u00ednh s\u00e1ch ho\u00e0n ti\u1ec1n trong 30 ng\u00e0y.<\/span>\r\n\t\t\t\t
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\u01afu \u0111\u00e3i 40%<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\tTruy c\u1eadp m\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp UltaHost \u2192<\/a>\r\n\t\t\t\t\t\t\t<\/div> \r\n\t\t<\/div>\r\n\t<\/div>\r\n\t\t\r\n<\/div>\r\n\r\n\r\n\n\n\n\n\n\n\n

T\u00ednh n\u0103ng ki\u1ec3m so\u00e1t t\u00f9y ch\u1ec9nh l\u00e0 m\u1ed9t \u0111i\u1ec3m n\u1ed5i b\u1eadt kh\u00e1c. T\u1eeb h\u1ec7 \u0111i\u1ec1u h\u00e0nh, chu\u1ed7i ph\u1ea7n m\u1ec1m, c\u00e0i \u0111\u1eb7t b\u1ea3o m\u1eadt cho \u0111\u1ebfn vi\u1ec7c c\u1ea5u h\u00ecnh t\u1eebng d\u1ecbch v\u1ee5, b\u1ea1n \u0111\u1ec1u \u0111\u01b0\u1ee3c trao quy\u1ec1n truy c\u1eadp t\u1ed1i \u0111a. D\u00f9 l\u00e0 tri\u1ec3n khai m\u1ed9t phi\u00ean b\u1ea3n c\u1ee5 th\u1ec3 c\u1ee7a c\u01a1 s\u1edf d\u1eef li\u1ec7u, bi\u00ean d\u1ecbch c\u00e1c m\u00f4-\u0111un nh\u00e2n h\u1ec7 th\u1ed1ng t\u00f9y ch\u1ec9nh, hay x\u00e2y d\u1ef1ng m\u00f4i tr\u01b0\u1eddng kh\u1ed1i (cluster) ph\u1ee9c t\u1ea1p, c\u00e1c m\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp \u0111\u1ec1u c\u00f3 th\u1ec3 cung c\u1ea5p s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ea7n thi\u1ebft \u1edf c\u1ea5p \u0111\u1ed9 c\u01a1 b\u1ea3n.<\/p>\n\n\n\n

Ph\u00e2n t\u00edch t\u00ecnh hu\u1ed1ng \u1ee9ng d\u1ee5ng<\/h3>\n\n\n\n

C\u00e1c m\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp kh\u00f4ng ph\u1ea3i lu\u00f4n ph\u00f9 h\u1ee3p v\u1edbi m\u1ecdi t\u00ecnh hu\u1ed1ng, nh\u01b0ng trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p c\u1ee5 th\u1ec3, gi\u00e1 tr\u1ecb c\u1ee7a ch\u00fang l\u00e0 kh\u00f4ng th\u1ec3 thay th\u1ebf \u0111\u01b0\u1ee3c. C\u00e1c n\u1ec1n t\u1ea3ng th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed l\u1edbn v\u00e0 c\u00e1c trang web c\u00f3 n\u1ed9i dung phong ph\u00fa c\u1ea7n \u0111\u1ed1i m\u1eb7t v\u1edbi l\u01b0\u1ee3ng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ed9t ng\u1ed9t v\u00e0 s\u1ed1 l\u01b0\u1ee3ng l\u1edbn y\u00eau c\u1ea7u \u0111\u1ed3ng th\u1eddi; m\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o ngu\u1ed3n l\u1ef1c m\u1ed9t c\u00e1ch \u1ed5n<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi c\u00e1c ng\u00e0nh c\u1ea7n x\u1eed l\u00fd d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m (ch\u1eb3ng h\u1ea1n nh\u01b0 h\u1ed3 s\u01a1 giao d\u1ecbch t\u00e0i ch\u00ednh, th\u00f4ng tin s\u1ee9c kh\u1ecfe c\u00e1 nh\u00e2n), t\u00ednh n\u0103ng c\u00e1ch ly v\u1eadt l\u00fd c\u1ee7a c\u00e1c m\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh (nh\u01b0 GDPR, HIPAA). C\u00e1c m\u00e1y ch\u1ee7 tr\u00f2 ch\u01a1i, d\u1ecbch v\u1ee5 truy\u1ec1n ph\u00e1t tr\u1ef1c ti\u1ebfp v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u01a1 s\u1edf d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn \u0111\u00f2i h\u1ecfi \u0111\u1ed9 tr\u1ec5 I\/O v\u00e0 th\u00f4ng l\u01b0\u1ee3ng m\u1ea1ng r\u1ea5t cao; vi\u1ec7c s\u1eed d\u1ee5ng ngu\u1ed3n l\u1ef1c ph\u1ea7n c\u1ee9ng \u0111\u1ed9c quy\u1ec1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng t\u1ed1t nh\u1ea5t.<\/p>\n\n\n\n

Ngo\u00e0i ra, khi doanh nghi\u1ec7p c\u1ee7a b\u1ea1n ph\u00e1t tri\u1ec3n v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n c\u1ee7a m\u00f4i tr\u01b0\u1eddng \u1ea3o h\u00f3a, ho\u1eb7c khi c\u1ea7n ch\u1ea1y nh\u1eefng ph\u1ea7n m\u1ec1m \u0111\u1eb7c bi\u1ec7t kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong m\u00f4i tr\u01b0\u1eddng \u1ea3o h\u00f3a, vi\u1ec7c chuy\u1ec3n sang s\u1eed d\u1ee5ng c\u00e1c m\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp l\u00e0 b\u01b0\u1edbc ti\u1ebfp theo h\u1ee3p l\u00fd.<\/p>\n

\u0110\u1ecdc th\u00eam H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn m\u00e1y ch\u1ee7 ri\u00eang: Ph\u00e2n t\u00edch to\u00e0n di\u1ec7n t\u1eeb c\u1ea5u h\u00ecnh ph\u1ea7n c\u1ee9ng \u0111\u1ebfn c\u00e1c t\u00ecnh hu\u1ed1ng \u1ee9ng d\u1ee5ng<\/a>\u3002<\/p>\n\n\n\n\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn m\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp ph\u00f9 h\u1ee3p?<\/h2>\n\n\n\n

Vi\u1ec7c l\u1ef1a ch\u1ecdn m\u1ed9t m\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh \u0111\u00f2i h\u1ecfi s\u1ef1 c\u00e2n nh\u1eafc to\u00e0n di\u1ec7n, v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 k\u1ef9 l\u01b0\u1ee1ng d\u1ef1a tr\u00ean nhu c\u1ea7u hi\u1ec7n t\u1ea1i c\u0169ng nh\u01b0 k\u1ebf ho\u1ea1ch ph\u00e1t tri\u1ec3n trong t\u01b0\u01a1ng lai.<\/p>\n\n\n\n

C\u00e2n nh\u1eafc v\u1ec1 C\u1ea5u h\u00ecnh Ph\u1ea7n c\u1ee9ng Quan tr\u1ecdng<\/h3>\n\n\n\n

B\u1ed9 x\u1eed l\u00fd ch\u00ednh l\u00e0 \u201cb\u1ed9 n\u00e3o\u201d c\u1ee7a m\u00e1y ch\u1ee7. B\u1ea1n c\u1ea7n ph\u1ea3i l\u1ef1a ch\u1ecdn gi\u1eefa s\u1ed1 l\u01b0\u1ee3ng l\u00f5i v\u00e0 hi\u1ec7u n\u0103ng c\u1ee7a m\u1ed7i l\u00f5i. C\u00e1c b\u1ed9 x\u1eed l\u00fd \u0111a l\u00f5i (nh\u01b0 Intel Xeon ho\u1eb7c AMD EPYC) th\u00edch h\u1ee3p cho vi\u1ec7c x\u1eed l\u00fd \u0111a nhi\u1ec7m v\u00e0 \u1ea3o h\u00f3a, trong khi nh\u1eefng b\u1ed9 x\u1eed l\u00fd c\u00f3 t\u1ea7n s\u1ed1 xung nh\u1ecbp cao l\u1ea1i ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi hi\u1ec7u n\u0103ng \u0111\u01a1n lu\u1ed3ng, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u01a1 s\u1edf d\u1eef li\u1ec7u ho\u1eb7c tr\u00f2 ch\u01a1i.<\/p>\n\n\n\n

Dung l\u01b0\u1ee3ng v\u00e0 lo\u1ea1i b\u1ed9 nh\u1edb tr\u1ef1c ti\u1ebfp \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng x\u1eed l\u00fd nhi\u1ec1u t\u00e1c v\u1ee5 c\u00f9ng l\u00fac c\u1ee7a m\u00e1y ch\u1ee7. Khuy\u1ebfn ngh\u1ecb n\u00ean x\u00e1c \u0111\u1ecbnh nhu c\u1ea7u kinh doanh l\u00e0m c\u01a1 s\u1edf \u0111\u1ec3 l\u1ef1a ch\u1ecdn b\u1ed9 nh\u1edb v\u00e0 d\u00e0nh ra \u0111\u1ee7 kh\u00f4ng gian m\u1edf r\u1ed9ng. B\u1ed9 nh\u1edb ECC c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n v\u00e0 s\u1eeda l\u1ed7i d\u1eef li\u1ec7u, v\u00ec v\u1eady r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u \u0111\u1ed9 ch\u00ednh x\u00e1c cao trong vi\u1ec7c l\u01b0u tr\u1eef v\u00e0 x\u1eed<\/p>\n\n\n

\n\n
\n M\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp HostArmada<\/strong>\n
Th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng 99,91% TP4T, b\u1ea3o \u0111\u1ea3m ho\u00e0n ti\u1ec1n trong 7 ng\u00e0y, \u01b0u \u0111\u00e3i 50% cho ng\u01b0\u1eddi d\u00f9ng m\u1edbi, quy\u1ec1n truy c\u1eadp ROOT \u0111\u1ea7y \u0111\u1ee7, b\u1ea3o v\u1ec7 WAF v\u00e0 ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i mi\u1ec5n ph\u00ed.<\/div>\n <\/div>\n\n
\n \n \n \"M\u00e1y\n \n \n <\/a>\n \n \n Truy c\u1eadp HostArmada <\/a>\n <\/div>\n <\/div>\n\n \n\n\n\n\n\n\n

Vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p l\u01b0u tr\u1eef \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn t\u00ednh b\u1ea3o m\u1eadt d\u1eef li\u1ec7u v\u00e0 t\u1ed1c \u0111\u1ed9 truy c\u1eadp. \u1ed4 \u0111\u0129a SATA truy\u1ec1n th\u1ed1ng c\u00f3 dung l\u01b0\u1ee3ng l\u1edbn, gi\u00e1 th\u00e0nh th\u1ea5p, ph\u00f9 h\u1ee3p \u0111\u1ec3 l\u01b0u tr\u1eef d\u1eef li\u1ec7u \u00edt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng th\u01b0\u1eddng xuy\u00ean (d\u1eef li\u1ec7u \u201cl\u1ea1nh\u201d). \u1ed4 \u0111\u0129a SAS v\u01b0\u1ee3t tr\u1ed9i h\u01a1n v\u1ec1 m\u1eb7t \u0111\u1ed9 tin c\u1eady v\u00e0 t\u1ed1c \u0111\u1ed9. Trong khi \u0111\u00f3, \u1ed5 \u0111\u0129a SSD (Solid State Drive) NVMe mang l\u1ea1i hi\u1ec7u n\u0103ng I\/O t\u1ed1i \u01b0u, l\u00e0 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 b\u1ed9 nh\u1edb \u0111\u1ec7m t\u1ed1c \u0111\u1ed9 cao. Th\u00f4ng th\u01b0\u1eddng, vi\u1ec7c k\u1ebft h\u1ee3p gi\u1eefa \u1ed5 \u0111\u0129a SSD d\u00f9ng l\u00e0m \u1ed5 h\u1ec7 th\u1ed1ng v\u00e0 \u1ed5 \u0111\u0129a HDD d\u00f9ng \u0111\u1ec3 l\u01b0u tr\u1eef d\u1eef li\u1ec7u s\u1ebd gi\u00fap c\u00e2n b\u1eb1ng gi\u1eefa hi<\/p>\n\n\n\n

Ch\u1ea5t l\u01b0\u1ee3ng b\u0103ng th\u00f4ng m\u1ea1ng quy\u1ebft \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 m\u00e0 ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp d\u1ecbch v\u1ee5 c\u1ee7a b\u1ea1n. C\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn dung l\u01b0\u1ee3ng b\u0103ng th\u00f4ng (v\u00ed d\u1ee5: 1Gbps, 10Gbps) c\u0169ng nh\u01b0 lo\u1ea1i b\u0103ng th\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng (dung l\u01b0\u1ee3ng chia s\u1ebb hay b\u0103ng th\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o). Ngo\u00e0i ra, t\u00ednh d\u1ef1 ph\u00f2ng m\u1ea1ng v\u00e0 kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i v\u1edbi c\u00e1c \u0111i\u1ec3m trao \u0111\u1ed5i Internet l\u1edbn do trung t\u00e2m d\u1eef li\u1ec7u cung c\u1ea5p c\u0169ng l\u00e0 nh\u1eefng ch\u1ec9 s\u1ed1 quan tr\u1ecdng.<\/p>\n\n\n\n

L\u1ef1a ch\u1ecdn nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u<\/h3>\n\n\n\n

Uy t\u00edn v\u00e0 kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt c\u1ee7a nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 l\u00e0 r\u1ea5t quan tr\u1ecdng. H\u00e3y xem x\u00e9t \u0111\u00e1nh gi\u00e1 v\u1ec1 danh ti\u1ebfng tr\u00ean th\u1ecb tr\u01b0\u1eddng, l\u1ecbch s\u1eed ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ecd, c\u0169ng nh\u01b0 vi\u1ec7c h\u1ecd c\u00f3 cung c\u1ea5p d\u1ecbch v\u1ee5 h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt chuy\u00ean nghi\u1ec7p 24\/7 hay kh\u00f4ng. H\u00e3y t\u00ecm hi\u1ec3u r\u00f5 c\u00e1c \u0111i\u1ec1u kho\u1ea3n trong th\u1ecfa thu\u1eadn v\u1ec1 m\u1ee9c \u0111\u1ed9 d\u1ecbch v\u1ee5, \u0111\u1eb7<\/p>\n

\u0110\u1ecdc th\u00eam H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n ch\u1ecdn l\u1ef1a v\u00e0 c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7 ri\u00eang: T\u1eeb \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y \u0111\u1ebfn tri\u1ec3n khai ph\u1ea7n c\u1ee9ng<\/a>\u3002<\/p>\n\n\n\n\n

Trung t\u00e2m d\u1eef li\u1ec7u ch\u00ednh l\u00e0 \u201cng\u00f4i nh\u00e0\u201d v\u1eadt l\u00fd c\u1ee7a c\u00e1c m\u00e1y ch\u1ee7. C\u1ea5p \u0111\u1ed9 Tier (I\u2013IV) c\u1ee7a trung t\u00e2m d\u1eef li\u1ec7u th\u1ec3 hi\u1ec7n m\u1ee9c \u0111\u1ed9 d\u1ef1 ph\u00f2ng v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng. B\u1ea1n c\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt v\u1eadt l\u00fd, h\u1ec7 th\u1ed1ng ch\u1ed1ng ch\u00e1y, kh\u1ea3 n\u0103ng l\u00e0m m\u00e1t, c\u0169ng nh\u01b0 c\u1ea5u h\u00ecnh ngu\u1ed3n \u0111i\u1ec7n d\u1ef1 ph\u00f2ng (UPS \u2013 Uninterruptible Power Supply) t\u1ea1i trung t\u00e2m d\u1eef li\u1ec7u \u0111\u00f3. M\u1ed9t trung t\u00e2m d\u1eef li\u1ec7u ch\u1ea5t l\u01b0\u1ee3ng cao n\u00ean \u0111\u01b0\u1ee3c trang b\u1ecb nhi\u1ec1u k\u00eanh k\u1ebft n\u1ed1i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh m\u1ea1ng v\u00e0 \u0111\u1ed9 tr\u1ec5 th\u1ea5p.<\/p>\n\n\n\n

Chi ph\u00ed v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 li\u00ean quan \u0111\u1ebfn h\u1ee3p \u0111\u1ed3ng<\/h3>\n\n\n\n

Ngo\u00e0i chi ph\u00ed thu\u00ea h\u00e0ng th\u00e1ng ho\u1eb7c h\u00e0ng n\u0103m, b\u1ea1n c\u0169ng c\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn c\u00e1c kho\u1ea3n ph\u00ed thi\u1ebft l\u1eadp, ph\u00ed n\u00e2ng c\u1ea5p, v\u00e0 ph\u00ed s\u1eed d\u1ee5ng qu\u00e1 m\u1ee9c b\u0103ng th\u00f4ng. C\u00e1c \u0111i\u1ec1u kho\u1ea3n trong h\u1ee3p \u0111\u1ed3ng n\u00ean \u0111\u01b0\u1ee3c \u0111\u1ecdc k\u1ef9 l\u01b0\u1ee1ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c ch\u00ednh s\u00e1ch b\u1ed3i th\u01b0\u1eddng khi d\u1ecbch v\u1ee5 b\u1ecb gi\u00e1n \u0111o\u1ea1n, tr\u00e1ch nhi\u1ec7m sao l\u01b0u d\u1eef li\u1ec7u, v\u00e0 s\u1ef1 h\u1ed7 tr\u1ee3 trong qu\u00e1 tr\u00ecnh di chuy\u1ec3n d\u1eef li\u1ec7u khi h\u1ee3p \u0111\u1ed3ng k\u1ebft th\u00fac. C\u00e1c chu k\u1ef3 thanh to\u00e1n linh ho\u1ea1t v\u00e0 t\u00f9y ch\u1ecdn n\u00e2ng c\u1ea5p s\u1ebd gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng th\u00edch \u1ee9ng v<\/p>\n\n\n

\n\n
\n M\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp InterServer<\/strong>\n
Xeon E3-1240v6 1 CPU, 4 nh\u00e2n, 3.7 GHz, 64GB RAM, 4TB SSD l\u01b0u tr\u1eef, b\u0103ng th\u00f4ng 1Gbps, kh\u00f4ng gi\u1edbi h\u1ea1n l\u01b0u l\u01b0\u1ee3ng.<\/div>\n <\/div>\n\n
\n \n \n \"M\u00e1y\n \n \n <\/a>\n \n \n Truy c\u1eadp InterServer <\/a>\n <\/div>\n <\/div>\n\n \n\n\n\n\n\n\n

Tri\u1ec3n khai v\u00e0 c\u1ea5u h\u00ecnh ban \u0111\u1ea7u cho m\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp<\/h2>\n\n\n\n

Sau khi thu\u00ea th\u00e0nh c\u00f4ng m\u00e1y ch\u1ee7, vi\u1ec7c tri\u1ec3n khai v\u00e0 kh\u1edfi t\u1ea1o m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, an to\u00e0n l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i.<\/p>\n\n\n\n

C\u00e0i \u0111\u1eb7t v\u00e0 l\u1ef1a ch\u1ecdn h\u1ec7 \u0111i\u1ec1u h\u00e0nh<\/h3>\n\n\n\n

B\u1ea1n th\u01b0\u1eddng c\u00f3 th\u1ec3 c\u00e0i \u0111\u1eb7t h\u1ec7 \u0111i\u1ec1u h\u00e0nh t\u1eeb xa th\u00f4ng qua c\u00e1c b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n do nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 cung c\u1ea5p (ch\u1eb3ng h\u1ea1n nh\u01b0 IPMI, iDRAC). C\u00e1c l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn bao g\u1ed3m nhi\u1ec1u phi\u00ean b\u1ea3n Linux v\u00e0 Windows Server. CentOS\/Rocky Linux\/AlmaLinux n\u1ed5i ti\u1ebfng v\u1edbi \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 h\u1ed7 tr\u1ee3 c\u1ea5p doanh nghi\u1ec7p; Ubuntu Server s\u1edf h\u1eefu c\u1ed9ng \u0111\u1ed3ng l\u1edbn v\u00e0 c\u00e1c g\u00f3i ph\u1ea7n m\u1ec1m m\u1edbi nh\u1ea5t; Debian \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh tuy\u1ec7t v\u1eddi. Windows Server th\u00edch h\u1ee3p cho c\u00e1c m\u00f4i tr\u01b0\u1eddng ph\u1ee5 thu\u1ed9c v\u00e0o framework.NET ho\u1eb7c c\u00e1c c\u00f4ng ngh\u1ec7 c\u1ee5 th\u1ec3 c\u1ee7a Microsoft.<\/p>\n\n\n\n

Khi c\u00e0i \u0111\u1eb7t, b\u1ea1n n\u00ean ch\u1ecdn t\u00f9y ch\u1ecdn c\u00e0i \u0111\u1eb7t t\u1ed1i \u01b0u h\u00f3a (minimization), ch\u1ec9 c\u00e0i \u0111\u1eb7t nh\u1eefng g\u00f3i ph\u1ea7n m\u1ec1m c\u1ea7n thi\u1ebft nh\u1eb1m gi\u1ea3m thi\u1ec3u nguy c\u01a1 b\u1ecb t\u1ea5n c\u00f4ng. H\u00e3y \u0111\u1ea3m b\u1ea3o c\u1eadp nh\u1eadt t\u1ea5t c\u1ea3 c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt h\u1ec7 th\u1ed1ng ngay sau khi c\u00e0i \u0111\u1eb7t.<\/p>\n\n\n\n

C\u00e1c bi\u1ec7n ph\u00e1p c\u1ee7ng c\u1ed1 b\u1ea3o m\u1eadt c\u01a1 b\u1ea3n<\/h3>\n\n\n\n

C\u00e0i \u0111\u1eb7t b\u1ea3o m\u1eadt l\u00e0 kh\u00e2u quan tr\u1ecdng nh\u1ea5t trong qu\u00e1 tr\u00ecnh tri\u1ec3n khai h\u1ec7 th\u1ed1ng. \u0110\u1ea7u ti\u00ean, h\u00e3y thay \u0111\u1ed5i c\u1ed5ng SSH m\u1eb7c \u0111\u1ecbnh, v\u00f4 hi\u1ec7u h\u00f3a kh\u1ea3 n\u0103ng \u0111\u0103ng nh\u1eadp tr\u1ef1c ti\u1ebfp c\u1ee7a ng\u01b0\u1eddi d\u00f9ng root, v\u00e0 b\u1eaft bu\u1ed9c s\u1eed d\u1ee5ng c\u1eb7p kh\u00f3a SSH \u0111\u1ec3 x\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng. \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 nguy c\u01a1 b\u1ecb t\u1ea5n c\u00f4ng b\u1eb1ng ph\u01b0\u01a1ng th\u1ee9c brute-force (d\u00f2 m\u00e3).<\/p>\n\n\n\n

Vi\u1ec7c c\u1ea5u h\u00ecnh t\u01b0\u1eddng l\u1eeda l\u00e0 \u0111i\u1ec1u b\u1eaft bu\u1ed9c. H\u00e3y s\u1eed d\u1ee5ng n\u00f3.iptables<\/code>\u3001firewalld<\/code>\u6216ufw<\/code>C\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 v\u1eady tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t nguy\u00ean t\u1eafc \u201cquy\u1ec1n h\u1ea1n t\u1ed1i thi\u1ec3u\u201d, ch\u1ec9 m\u1edf c\u00e1c c\u1ed5ng d\u1ecbch v\u1ee5 c\u1ea7n thi\u1ebft cho ho\u1ea1t \u0111\u1ed9ng kinh doanh. V\u00ed d\u1ee5, m\u00e1y ch\u1ee7 Web th\u01b0\u1eddng ch\u1ec9 c\u1ea7n m\u1edf c\u00e1c c\u1ed5ng 80 (HTTP) v\u00e0 443 (HTTPS).<\/p>\n\n\n\n

H\u00e3y c\u00e0i \u0111\u1eb7t v\u00e0 c\u1eadp nh\u1eadt k\u1ecbp th\u1eddi c\u00e1c h\u1ec7 th\u1ed1ng ch\u1ed1ng virus v\u00e0 ph\u00e1t hi\u1ec7n x\u00e2m nh\u1eadp (ch\u1eb3ng h\u1ea1n nh\u01b0 ClamAV, Fail2ban). Fail2ban c\u00f3 th\u1ec3 theo d\u00f5i c\u00e1c t\u1ec7p nh\u1eadt k\u00fd v\u00e0 \u00e1p d\u1ee5ng l\u1ec7nh c\u1ea5m t\u1ea1m th\u1eddi \u0111\u1ed1i v\u1edbi c\u00e1c \u0111\u1ecba ch\u1ec9 IP c\u1ed1 g\u1eafng \u0111\u0103ng nh\u1eadp nhi\u1ec1u l\u1ea7n nh\u01b0ng th\u1ea5t b\u1ea1i.<\/p>\n\n\n\n

C\u00e0i \u0111\u1eb7t v\u00e0 c\u1ea5u h\u00ecnh c\u00e1c d\u1ecbch v\u1ee5 c\u1ea7n thi\u1ebft<\/h3>\n\n\n\n

D\u1ef1a tr\u00ean nhu c\u1ea7u kinh doanh c\u1ee7a b\u1ea1n, h\u00e3y c\u00e0i \u0111\u1eb7t c\u00e1c ph\u1ea7n m\u1ec1m ph\u00f9 h\u1ee3p cho h\u1ec7 th\u1ed1ng d\u1ecbch v\u1ee5. \u0110\u1ed1i v\u1edbi \u1ee9ng d\u1ee5ng web, nh\u1eefng s\u1ef1 k\u1ebft h\u1ee3p ph\u1ed5 bi\u1ebfn l\u00e0 LAMP ho\u1eb7c LEMP. L\u1ea5y Nginx l\u00e0m v\u00ed d\u1ee5, b\u1ea1n c\u1ea7n t\u1ed1i \u01b0u h\u00f3a c\u00e1c tham s\u1ed1 nh\u01b0 s\u1ed1 ti\u1ebfn tr\u00ecnh l\u00e0m vi\u1ec7c v\u00e0 th\u1eddi gian ch\u1edd k\u1ebft n\u1ed1i \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u1ea5u h\u00ecnh ph\u1ea7n c\u1ee9ng c\u1ee7a m\u00e1y ch\u1ee7.<\/p>\n\n\n\n

Sau khi c\u00e0i \u0111\u1eb7t c\u01a1 s\u1edf d\u1eef li\u1ec7u, nhi\u1ec7m v\u1ee5 quan tr\u1ecdng nh\u1ea5t l\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c l\u1ec7nh kh\u1edfi t\u1ea1o b\u1ea3o m\u1eadt, \u0111\u1eb7t m\u1ed9t m\u1eadt kh\u1ea9u m\u1ea1nh cho ng\u01b0\u1eddi d\u00f9ng root, x\u00f3a t\u00e0i kho\u1ea3n th\u1eed nghi\u1ec7m \u1ea9n danh, v\u00e0 v\u00f4 hi\u1ec7u h\u00f3a t\u00ednh n\u0103ng \u0111\u0103ng nh\u1eadp t\u1eeb xa cho ng\u01b0\u1eddi d\u00f9ng root. \u0110\u1ed3ng th\u1eddi, c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh k\u00edch th\u01b0\u1edbc b\u1ed9 \u0111\u1ec7m (cache pool) v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 hi\u1ec7u n\u0103ng kh\u00e1c ph\u00f9 h\u1ee3p v\u1edbi l\u01b0\u1ee3ng d\u1eef li\u1ec7u.<\/p>\n\n\n\n

H\u00e3y thi\u1ebft l\u1eadp m\u1ed9t k\u1ebf ho\u1ea1ch sao l\u01b0u \u0111\u00e1ng tin c\u1eady. B\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng chi\u1ebfn l\u01b0\u1ee3c sao l\u01b0u to\u00e0n b\u1ed9 d\u1eef li\u1ec7u k\u1ebft h\u1ee3p v\u1edbi sao l\u01b0u b\u1ed5 sung (incremental backup), \u0111\u1ed3ng th\u1eddi t\u1eadn d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 c\u00f4ng ngh\u1ec7 hi\u1ec7n c\u00f3 \u0111\u1ec3 t\u0103ng hi\u1ec7u qu\u1ea3 qu\u00e1 tr\u00ecnh sao l\u01b0u.cron<\/code>C\u00e1c t\u00e1c v\u1ee5 \u0111\u1ecbnh k\u1ef3 s\u1ebd t\u1ef1 \u0111\u1ed9ng truy\u1ec1n b\u1ea3n sao l\u01b0u \u0111\u1ebfn m\u1ed9t m\u00e1y ch\u1ee7 kh\u00e1c \u1edf \u0111\u1ecba \u0111i\u1ec3m kh\u00e1c ho\u1eb7c l\u01b0u tr\u1eef tr\u00ean \u0111\u00e1m m\u00e2y. Vi\u1ec7c ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 ch\u1ee9c n\u0103ng kh\u00f4i ph\u1ee5c b\u1ea3n sao l\u01b0u l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n\n\n\n

V\u1eadn h\u00e0nh v\u00e0 t\u1ed1i \u01b0u h\u00f3a m\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp<\/h2>\n\n\n\n

Sau khi m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng, vi\u1ec7c gi\u00e1m s\u00e1t li\u00ean t\u1ee5c, b\u1ea3o tr\u00ec v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u n\u0103ng l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o n\u00f3 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n

H\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t v\u00e0 qu\u1ea3n l\u00fd nh\u1eadt k\u00fd (System Monitoring and Log Management)<\/h3>\n\n\n\n

Tri\u1ec3n khai h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t t\u1eadp trung, ch\u1eb3ng h\u1ea1n s\u1eed d\u1ee5ng Prometheus k\u1ebft h\u1ee3p v\u1edbi Grafana \u0111\u1ec3 hi\u1ec3n th\u1ecb d\u1eef li\u1ec7u d\u01b0\u1edbi d\u1ea1ng tr\u1ef1c quan, ho\u1eb7c c\u00e1c c\u00f4ng c\u1ee5 truy\u1ec1n th\u1ed1ng nh\u01b0 Zabbix, Nagios. Gi\u00e1m s\u00e1t c\u00e1c ch\u1ec9 s\u1ed1 quan tr\u1ecdng nh\u01b0: t\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng CPU, t\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng b\u1ed9 nh\u1edb, ho\u1ea1t \u0111\u1ed9ng \u0111\u1ecdc\/ghi d\u1eef li\u1ec7u tr\u00ean \u0111\u0129a (I\/O), l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng, dung l\u01b0\u1ee3ng \u0111\u0129a, v\u00e0 tr\u1ea1ng th\u00e1i ti\u1ebfn tr\u00ecnh c\u1ee7a c\u00e1c d\u1ecbch v\u1ee5 quan tr\u1ecdng. Thi\u1ebft l\u1eadp c\u00e1c ng\u01b0\u1ee1ng c\u1ea3nh b\u00e1o h\u1ee3p l\u00fd \u0111\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c th\u00f4ng b\u00e1o tr\u01b0\u1edbc khi s\u1ef1 c\u1ed1 x\u1ea3y ra.<\/p>\n\n\n\n

H\u1ec7 th\u1ed1ng nh\u1eadt k\u00fd v\u00e0 nh\u1eadt k\u00fd \u1ee9ng d\u1ee5ng l\u00e0 nh\u1eefng ngu\u1ed3n t\u00e0i nguy\u00ean qu\u00fd b\u00e1u cho vi\u1ec7c kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1. H\u00e3y s\u1eed d\u1ee5ng ch\u00fang m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.logrotate<\/code>Qu\u1ea3n l\u00fd k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c t\u1ec7p nh\u1eadt k\u00fd \u0111\u1ec3 tr\u00e1nh t\u00ecnh tr\u1ea1ng \u1ed5 \u0111\u0129a b\u1ecb chi\u1ebfm h\u1ebft dung l\u01b0\u1ee3ng. Trong m\u00f4i tr\u01b0\u1eddng ph\u1ee9c t\u1ea1p, b\u1ea1n c\u00f3 th\u1ec3 xem x\u00e9t s\u1eed d\u1ee5ng b\u1ed9 c\u00f4ng c\u1ee5 ELK Stack ho\u1eb7c Graylog \u0111\u1ec3 thu th\u1eadp, ph\u00e2n t\u00edch v\u00e0 l\u01b0u tr\u1eef nh\u1eadt k\u00fd m\u1ed9t c\u00e1ch t\u1eadp trung.<\/p>\n\n\n\n

Th\u1ef1c h\u00e0nh t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u n\u0103ng<\/h3>\n\n\n\n

T\u1ed1i \u01b0u h\u00f3a hi\u1ec7u n\u0103ng l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh li\u00ean t\u1ee5c. \u1ede c\u1ea5p \u0111\u1ed9 h\u1ec7 th\u1ed1ng, c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c tham s\u1ed1 c\u1ee7a h\u1ec7 \u0111i\u1ec1u h\u00e0nh, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u1ed1i \u01b0u h\u00f3a c\u1ea5u h\u00ecnh stek TCP\/IP \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t m\u1ea1ng, ho\u1eb7c \u0111i\u1ec1u ch\u1ec9nh c\u00e1c tham s\u1ed1 qu\u1ea3n l\u00fd b\u1ed9 nh\u1edb \u1ea3o.<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi c\u00e1c m\u00e1y ch\u1ee7 web, h\u00e3y \u0111i\u1ec1u ch\u1ec9nh s\u1ed1 l\u01b0\u1ee3ng k\u1ebft n\u1ed1i \u0111\u1ed3ng th\u1eddi (concurrent connections) v\u00e0 chi\u1ebfn l\u01b0\u1ee3c l\u01b0u tr\u1eef \u0111\u1ec7m (cache policies) c\u1ee7a Nginx ho\u1eb7c Apache d\u1ef1a tr\u00ean m\u00f4 h\u00ecnh truy c\u1eadp c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. Vi\u1ec7c k\u00edch ho\u1ea1t ch\u1ee9c n\u0103ng n\u00e9n d\u1eef li\u1ec7u b\u1eb1ng Gzip c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m l\u01b0\u1ee3ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i. Vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a c\u01a1 s\u1edf d\u1eef li\u1ec7u bao g\u1ed3m vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a c\u1ea5u tr\u00fac ch\u1ec9 m\u1ee5c (indexes), t\u1ed1i \u01b0u h\u00f3a c\u00e1c c\u00e2u l\u1ec7nh truy v\u1ea5n (query statements), v\u00e0 c\u1ea5<\/p>\n\n\n\n

Th\u1ef1c hi\u1ec7n \u0111\u1ecbnh k\u1ef3 c\u00e1c cu\u1ed9c ki\u1ec3m to\u00e1n an ninh v\u00e0 qu\u00e9t l\u1ed7 h\u1ed5ng. S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c c\u00f4ng vi\u1ec7c n\u00e0y.lynis<\/code>Ch\u1edd \u0111\u1ee3i c\u00e1c c\u00f4ng c\u1ee5 ki\u1ec3m to\u00e1n t\u1ef1 \u0111\u1ed9ng ki\u1ec3m tra t\u00ecnh tr\u1ea1ng b\u1ea3o m\u1eadt c\u1ee7a h\u1ec7 th\u1ed1ng, v\u00e0 \u00e1p d\u1ee5ng c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt b\u1ea3o m\u1eadt (patch) m\u1ed9t c\u00e1ch k\u1ecbp th\u1eddi.<\/p>\n\n\n\n

X\u00e2y d\u1ef1ng k\u1ebf ho\u1ea1ch ph\u1ee5c h\u1ed3i sau th\u1ea3m h\u1ecda<\/h3>\n\n\n\n

Ngay c\u1ea3 nh\u1eefng thi\u1ebft b\u1ecb ph\u1ea7n c\u1ee9ng \u0111\u00e1ng tin c\u1eady nh\u1ea5t c\u0169ng c\u00f3 th\u1ec3 g\u1eb7p s\u1ef1 c\u1ed1. Do \u0111\u00f3, m\u1ed9t k\u1ebf ho\u1ea1ch ph\u1ee5c h\u1ed3i th\u1ea3m h\u1ecda r\u00f5 r\u00e0ng l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft. K\u1ebf ho\u1ea1ch n\u00e0y c\u1ea7n bao g\u1ed3m: chi\u1ebfn l\u01b0\u1ee3c sao l\u01b0u d\u1eef li\u1ec7u c\u1ee5 th\u1ec3 (t\u1ea7n su\u1ea5t sao l\u01b0u, th\u1eddi gian l\u01b0u tr\u1eef d\u1eef li\u1ec7u, l\u01b0u tr\u1eef d\u1eef li\u1ec7u \u1edf n\u01a1i kh\u00e1c), t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 quy tr\u00ecnh kh\u00f4i ph\u1ee5c h\u1ec7 th\u1ed1ng, v\u00e0 c\u00e1c bu\u1ed5i di\u1ec5n t\u1eadp ph\u1ee5c h\u1ed3i th\u1ea3m h\u1ecda \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ecbnh k<\/p>\n\n\n\n

H\u00e3y xem x\u00e9t vi\u1ec7c \u00e1p d\u1ee5ng c\u00e1c ki\u1ebfn tr\u00fac c\u00f3 \u0111\u1ed9 s\u1eb5n s\u00e0ng cao (high availability), ch\u1eb3ng h\u1ea1n nh\u01b0 s\u1eed d\u1ee5ng b\u1ed9 ph\u00e2n ph\u1ed1i t\u1ea3i (load balancer) \u0111\u1ec3 ph\u00e2n ph\u1ed1i l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ebfn nhi\u1ec1u m\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp, ho\u1eb7c thi\u1ebft l\u1eadp c\u01a1 ch\u1ebf sao l\u01b0u d\u1eef li\u1ec7u gi\u1eefa m\u00e1y ch\u1ee7 ch\u00ednh v\u00e0 m\u00e1y ch\u1ee7 ph\u1ee5. Nh\u1edd \u0111\u00f3, khi m\u1ed9t m\u00e1y ch\u1ee7 g\u1eb7p s\u1ef1 c\u1ed1, h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 nhanh ch\u00f3ng chuy\u1ec3n sang c\u00e1c m\u00e1y ch\u1ee7 d\u1ef1 ph\u00f2ng, gi\u00fap gi\u1ea3m thi\u1ec3u th\u1eddi gian<\/p>\n\n\n\n

T\u00f3m l\u1ea1i<\/h2>\n\n\n\n

C\u00e1c m\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp cung c\u1ea5p n\u1ec1n t\u1ea3ng v\u1eadt l\u00fd v\u1eefng ch\u1eafc cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea5p doanh nghi\u1ec7p v\u00e0 c\u00e1c d\u1ef1 \u00e1n cao c\u1ea5p. T\u1eeb vi\u1ec7c hi\u1ec3u s\u00e2u v\u1ec1 b\u1ea3n ch\u1ea5t c\u1ee7a c\u00e1c ngu\u1ed3n l\u1ef1c \u0111\u1ed9c quy\u1ec1n m\u00e0 ch\u00fang s\u1edf h\u1eefu v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u00f9 h\u1ee3p, \u0111\u1ebfn vi\u1ec7c \u0111\u00e1nh gi\u00e1 c\u1ea9n th\u1eadn c\u1ea5u h\u00ecnh ph\u1ea7n c\u1ee9ng, nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 v\u00e0 chi ph\u00ed, ti\u1ebfp theo l\u00e0 th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh tri\u1ec3n khai an to\u00e0n, c\u00e0i \u0111\u1eb7t ban \u0111\u1ea7u, v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c k\u1ebf ho\u1ea1ch gi\u00e1m s\u00e1t li\u00ean t\u1ee5c, t\u1ed1i \u01b0u h\u00f3a c\u0169ng nh\u01b0 ph\u1ee5c h\u1ed3i<\/p>\n\n\n\n

Vi\u1ec7c ch\u1ecdn s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n s\u1ebd ph\u1ea3i g\u00e1nh v\u00e1c nhi\u1ec1u tr\u00e1ch nhi\u1ec7m qu\u1ea3n l\u00fd h\u01a1n, nh\u01b0ng \u0111\u1ed5i l\u1ea1i b\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t, t\u00ednh b\u1ea3o m\u1eadt v\u00e0 kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t v\u01b0\u1ee3t tr\u1ed9i. \u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t c\u00e1ch t\u1ef1 \u0111\u1ed9ng v\u00e0 kh\u00f4ng c\u1ea7n b\u1ea3o tr\u00ec; \u0111\u00f3 l\u00e0 m\u1ed9t t\u00e0i s\u1ea3n k\u1ef9 thu\u1eadt \u0111\u00f2i h\u1ecfi s\u1ef1 \u0111\u1ea7u t\u01b0 th\u01b0\u1eddng xuy\u00ean v\u00e0 ch\u0103m s\u00f3c t\u1ec9 m\u1ec9. Khi doanh nghi\u1ec7p c\u1ee7a b\u1ea1n c\u00f3 nh\u1eefng y\u00eau c\u1ea7u kh\u1eaft khe v\u1ec1 hi\u1ec7u su\u1ea5t, tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh ph\u00e1p l\u00fd v\u00e0 t\u00ednh t\u1ef1 ch\u1ee7, m\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp ch\u1eafc ch\u1eafn l\u00e0 gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u \u0111\u1ec3 h\u1ed7 tr\u1ee3 s\u1ef1 t\u0103ng tr\u01b0\u1edfng \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ed5i m\u1edbi<\/p>\n\n\n\n

FAQ \u5e38\u89c1\u95ee\u9898<\/h2>\n\n\n\n

S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa m\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp v\u00e0 m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y l\u00e0 g\u00ec?<\/h3>\n\n\n\n

C\u00e1c m\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp cung c\u1ea5p ngu\u1ed3n l\u1ef1c ph\u1ea7n c\u1ee9ng v\u1eadt l\u00fd \u0111\u1ed9c quy\u1ec1n, v\u1edbi hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh v\u00e0 d\u1ec5 d\u1ef1 \u0111o\u00e1n. Ch\u00fang mang l\u1ea1i m\u1ee9c \u0111\u1ed9 b\u1ea3o m\u1eadt cao c\u00f9ng kh\u1ea3 n\u0103ng c\u1ea5u h\u00ecnh quy\u1ec1n truy c\u1eadp t\u00f9y ch\u1ec9nh, ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng tr\u01b0\u1eddng h\u1ee3p c\u00f3 y\u00eau c\u1ea7u cao v\u1ec1 hi\u1ec7u su\u1ea5t, b\u1ea3o m\u1eadt v\u00e0 kh<\/p>\n\n\n\n

C\u00e1c m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y (Cloud Servers) \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean c\u00f4ng ngh\u1ec7 \u1ea3o h\u00f3a; ngu\u1ed3n l\u1ef1c \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd m\u1ed9t c\u00e1ch linh ho\u1ea1t v\u00e0 c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng theo nhu c\u1ea7u s\u1eed d\u1ee5ng. Ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 c\u1ea7n tr\u1ea3 ph\u00ed theo th\u1eddi gian th\u1ef1c khi s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5, qu\u00e1 tr\u00ecnh tri\u1ec3n khai di\u1ec5n ra nhanh ch\u00f3ng. C\u00e1c m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y c\u00f2n mang l\u1ea1i kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3<\/p>\n\n\n\n

T\u00f4i c\u1ea7n bao nhi\u00eau ki\u1ebfn th\u1ee9c k\u1ef9 thu\u1eadt \u0111\u1ec3 qu\u1ea3n l\u00fd m\u1ed9t m\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp?<\/h3>\n\n\n\n

Vi\u1ec7c qu\u1ea3n l\u00fd c\u00e1c m\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp \u0111\u00f2i h\u1ecfi ki\u1ebfn th\u1ee9c qu\u1ea3n tr\u1ecb h\u1ec7 th\u1ed1ng \u1edf m\u1ee9c trung c\u1ea5p \u0111\u1ebfn cao. B\u1ea1n c\u1ea7n am hi\u1ec3u c\u00e1c thao t\u00e1c tr\u00ean d\u00f2ng l\u1ec7nh (command line), c\u1ea5u h\u00ecnh m\u1ea1ng, t\u0103ng c\u01b0\u1eddng t\u00ednh b\u1ea3o m\u1eadt, tri\u1ec3n khai d\u1ecbch v\u1ee5 v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1. N\u1ebfu thi\u1ebfu kinh nghi\u1ec7m trong l\u0129nh v\u1ef1c n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn nh\u1eefng nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u201cqu\u1ea3n l\u00fd to\u00e0n di\u1ec7n\u201d, n\u01a1i \u0111\u1ed9i ng\u0169 chuy\u00ean gia c\u1ee7a h\u1ecd s\u1ebd \u0111\u1ea3m nh\u1eadn c\u00f4ng t\u00e1c v\u1eadn h\u00e0nh v\u00e0 b\u1ea3o tr\u00ec h\u00e0ng ng\u00e0y, ho\u1eb7c b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch qu\u1ea3n l\u00fd c\u00e1c m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y lo\u1ea1i qu\u1ea3n l\u00fd \u0111\u01b0\u1ee3c (managed cloud servers)<\/p>\n\n\n\n

\u0110i\u1ec1u g\u00ec n\u00ean l\u00e0m khi m\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp g\u1eb7p s\u1ef1 c\u1ed1 ph\u1ea7n c\u1ee9ng?<\/h3>\n\n\n\n

C\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 chuy\u00ean nghi\u1ec7p th\u01b0\u1eddng quy \u0111\u1ecbnh r\u00f5 th\u1eddi gian ph\u1ea3n h\u1ed3i v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 ph\u1ea7n c\u1ee9ng trong c\u00e1c th\u1ecfa thu\u1eadn v\u1ec1 m\u1ee9c \u0111\u1ed9 d\u1ecbch v\u1ee5. Th\u00f4ng th\u01b0\u1eddng, c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c trang b\u1ecb ph\u1ea7n c\u1ee9ng d\u1ef1 ph\u00f2ng v\u00e0 \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt chuy\u00ean nghi\u1ec7p, c\u00f3 kh\u1ea3 n\u0103ng thay th\u1ebf c\u00e1c b\u1ed9 ph\u1eadn b\u1ecb h\u1ecfng (nh\u01b0 \u1ed5 \u0111\u0129a c\u1ee9ng, ngu\u1ed3n \u0111i\u1ec7n ho\u1eb7c b\u1ed9 nh\u1edb) trong th\u1eddi gian ng\u1eafn (ch\u1ec9 v\u00e0i gi\u1edd<\/p>\n\n\n\n

\u0110\u1ec3 \u1ee9ng ph\u00f3 v\u1edbi c\u00e1c s\u1ef1 c\u1ed1 ph\u1ea7n c\u1ee9ng, b\u1ea1n c\u1ea7n thi\u1ebft k\u1ebf m\u1ed9t ki\u1ebfn tr\u00fac c\u00f3 \u0111\u1ed9 s\u1eb5n s\u00e0ng cao \u1edf c\u1ea5p \u0111\u1ed9 \u1ee9ng d\u1ee5ng. V\u00ed d\u1ee5, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng nhi\u1ec1u m\u00e1y ch\u1ee7 \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t c\u1ee5m (cluster) v\u00e0 k\u1ebft h\u1ee3p v\u1edbi c\u00f4ng ngh\u1ec7 ph\u00e2n b\u1ed5 t\u1ea3i (load balancing). Nh\u1edd \u0111\u00f3, m\u1ed9t s\u1ef1 c\u1ed1 ph\u1ea7n c\u1ee9ng \u1edf b\u1ea5t k\u1ef3 m\u00e1y ch\u1ee7 n\u00e0o c<\/p>\n\n\n\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an ninh d\u1eef li\u1ec7u tr\u00ean m\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp c\u1ee7a t\u00f4i?<\/h3>\n\n\n\n

\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n d\u1eef li\u1ec7u, c\u1ea7n c\u00f3 c\u00e1c chi\u1ebfn l\u01b0\u1ee3c \u0111a c\u1ea5p \u0111\u1ed9. \u0110\u1ea7u ti\u00ean, c\u1ea7n th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt nghi\u00eam ng\u1eb7t cho h\u1ec7 \u0111i\u1ec1u h\u00e0nh v\u00e0 c\u00e1c d\u1ecbch v\u1ee5. Th\u1ee9 hai, c\u1ea5u h\u00ecnh c\u00e1c gi\u1ea3i ph\u00e1p sao l\u01b0u t\u1ef1 \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady, l\u01b0u tr\u1eef c\u00e1c b\u1ea3n sao l\u01b0u tr\u00ean m\u00e1y ch\u1ee7 \u1edf n\u01a1i kh\u00e1c ho\u1eb7c trong \u0111\u00e1m m\u00e2y, v\u00e0 \u0111\u1ecbnh k\u1ef3 ki\u1ec3m tra kh\u1ea3 n\u0103ng kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u t\u1eeb c\u00e1c b\u1ea3n sao l\u01b0u \u0111\u00f3. Ngo\u00e0i ra, c\u1ea7n m\u00e3 h\u00f3a d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m v\u00e0 s\u1eed d\u1ee5ng t\u01b0\u1eddng l\u1eeda c\u00f9ng c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e1t hi\u1ec7n x\u00e2m nh\u1eadp \u0111\u1ec3 ch\u1ed1ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng. An to\u00e0n v\u1eadt l\u00fd \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o b\u1edfi trung t\u00e2m d\u1eef li\u1ec7u m\u00e0 b\u1ea1n ch\u1ecdn.<\/p>\n\n\n\n

Khi n\u00e0o n\u00ean n\u00e2ng c\u1ea5p t\u1eeb m\u00e1y ch\u1ee7 \u1ea3o\/virtual server l\u00ean m\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp (standalone server)?<\/h3>\n\n\n\n

Khi b\u1ea1n g\u1eb7p ph\u1ea3i c\u00e1c t\u00ecnh hu\u1ed1ng sau, b\u1ea1n n\u00ean c\u00e2n nh\u1eafc vi\u1ec7c n\u00e2ng c\u1ea5p h\u1ec7 th\u1ed1ng: M\u00f4i tr\u01b0\u1eddng \u1ea3o g\u1eb7p ph\u1ea3i nh\u1eefng r\u00e0o c\u1ea3n v\u1ec1 hi\u1ec7u n\u0103ng r\u00f5 r\u1ec7t v\u00e0 kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c kh\u1eafc ph\u1ee5c b\u1eb1ng c\u00e1ch n\u00e2ng c\u1ea5p c\u1ea5u h\u00ecnh (n\u00e2ng c\u1ea5p theo chi\u1ec1u d\u1ecdc); Doanh nghi\u1ec7p c\u1ea7n tu\u00e2n th\u1ee7 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 quy \u0111\u1ecbnh ph\u00e1p l\u00fd nghi\u00eam ng\u1eb7t, \u0111\u00f2i h\u1ecfi ph\u1ea3i c\u00e1ch ly c\u00e1c h\u1ec7 th\u1ed1ng v\u1ec1 m\u1eb7t v\u1eadt l\u00fd; C\u1ea7n c\u00e0i \u0111\u1eb7t ph\u1ea7n c\u1ee9ng t\u00f9y ch\u1ec9nh ho\u1eb7c c\u00e1c tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n ph\u1ea7n m\u1ec1m \u0111\u1eb7c bi\u1ec7t; \u1ee8ng d\u1ee5ng c\u1ee7a b\u1ea1n c\u00f3 nh\u1eefng y\u00eau c\u1ea7u r\u1ea5t cao v\u1ec1 \u0111\u1ed9 tr\u1ec5 I\/O ho\u1eb7c hi\u1ec7u n\u0103ng CPU; Ho\u1eb7c quy m\u00f4 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a doanh nghi\u1ec7p \u0111\u00e3 \u0111\u1ebfn m\u1ee9c vi\u1ec7c s\u1eed d\u1ee5ng m\u1ed9t m\u00e1y ch\u1ee7 ri\u00eang mang l\u1ea1i l\u1ee3i \u00edch kinh t\u1ebf cao h\u01a1n so v\u1edbi vi\u1ec7c<\/p>","protected":false},"excerpt":{"rendered":"

B\u00e0i vi\u1ebft n\u00e0y tr\u00ecnh b\u00e0y to\u00e0n di\u1ec7n v\u1ec1 kh\u00e1i ni\u1ec7m m\u00e1y ch\u1ee7 \u0111\u1ed9c l\u1eadp, nh\u1eefng \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u00f9 h\u1ee3p. \u0110\u1ed3ng th\u1eddi, n\u00f3 cung c\u1ea5p h\u01b0\u1edbng d\u1eabn chi ti\u1ebft t\u1eeb vi\u1ec7c l\u1ef1a ch\u1ecdn c\u1ea5u h\u00ecnh ph\u1ea7n c\u1ee9ng quan tr\u1ecdng, nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u, \u0111\u1ebfn vi\u1ec7c xem x\u00e9t chi ph\u00ed v\u00e0 tri\u1ec3n khai h\u1ec7 th\u1ed1ng ban \u0111\u1ea7u. M\u1ee5c \u0111\u00edch c\u1ee7a b\u00e0i vi\u1ebft l\u00e0 gi\u00fap c\u00e1c doanh nghi\u1ec7p v\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n x\u00e2y d\u1ef1ng m\u1ed9t m\u00f4i tr\u01b0\u1eddng m\u00e1y ch\u1ee7 \u1ed5n \u0111\u1ecbnh, an to\u00e0n v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t<\/p>","protected":false},"author":7,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[2112,309,323,301,43],"knowledge_category":[276],"class_list":["post-12368922","knowledge_post","type-knowledge_post","status-publish","hentry","tag-server-guide","tag-309","tag-server-deployment","tag-server-configuration","tag-dedicated-server","knowledge_category-dedicated-server"],"acf":{"site_seo_keywords":"\u72ec\u7acb\u670d\u52a1\u5668,\u670d\u52a1\u5668\u9009\u8d2d,\u670d\u52a1\u5668\u90e8\u7f72,\u4e13\u7528\u670d\u52a1\u5668,\u9ad8\u6027\u80fd\u670d\u52a1\u5668,\u670d\u52a1\u5668\u914d\u7f6e\u6307\u5357,\u72ec\u7acb\u670d\u52a1\u5668\u9002\u7528\u573a\u666f"},"_links":{"self":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12368922","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts"}],"about":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/types\/knowledge_post"}],"author":[{"embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/users\/7"}],"version-history":[{"count":0,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12368922\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/media?parent=12368922"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/tags?post=12368922"},{"taxonomy":"knowledge_category","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_category?post=12368922"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}