{"id":12364865,"date":"2026-03-13T05:45:30","date_gmt":"2026-03-12T21:45:30","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/%e5%85%a8%e9%9d%a2%e8%a7%a3%e6%9e%90%e4%ba%91%e4%b8%bb%e6%9c%ba%ef%bc%9a%e4%bb%8e%e6%a0%b8%e5%bf%83%e6%a6%82%e5%bf%b5%e5%88%b0%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5%e4%b8%8e%e9%80%89%e5%9e%8b%e6%8c%87\/"},"modified":"2026-06-03T20:52:18","modified_gmt":"2026-06-03T12:52:18","slug":"cloud-hosting-comprehensive-guide-concepts-best-practices-selection","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/vi\/knowledge\/cloud-hosting\/cloud-hosting-comprehensive-guide-concepts-best-practices-selection\/","title":{"rendered":"Ph\u00e2n t\u00edch to\u00e0n di\u1ec7n v\u1ec1 m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y: t\u1eeb kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i \u0111\u1ebfn th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t v\u00e0 h\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn"},"content":{"rendered":"

M\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y l\u00e0 g\u00ec<\/h2>\n\n\n\n

M\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y (Cloud Server) l\u00e0 \u0111\u01a1n v\u1ecb d\u1ecbch v\u1ee5 t\u00ednh to\u00e1n \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean c\u00f4ng ngh\u1ec7 \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y. N\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t m\u00e1y ch\u1ee7 v\u1eadt l\u00fd c\u00f3 t\u1ed3n t\u1ea1i th\u1ef1c t\u1ebf, m\u00e0 l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 \u1ea3o h\u00f3a \u0111\u1ec3 t\u1eadp trung c\u00e1c ngu\u1ed3n l\u1ef1c t\u1eeb m\u1ed9t nh\u00f3m m\u00e1y ch\u1ee7 v\u1eadt l\u00fd l\u1edbn trong trung t\u00e2m d\u1eef li\u1ec7u th\u00e0nh m\u1ed9t \u201cb\u1ec3 t\u00e0i nguy\u00ean\u201d chung, sau \u0111\u00f3 ph\u00e2n b\u1ed5 c\u00e1c ngu\u1ed3n l\u1ef1c nh\u01b0 t\u00ednh to\u00e1n, l\u01b0u tr\u1eef v\u00e0 m\u1ea1ng m\u1ed9t c\u00e1ch linh ho\u1ea1t theo nhu c\u1ea7u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t ho\u00e0n to\u00e0n m\u1ed9t m\u00e1y ch\u1ee7 \u1ea3o th\u00f4ng qua k\u1ebft n\u1ed1i t\u1eeb xa (nh\u01b0 SSH, RDP), v\u00e0 c\u00f3 th\u1ec3 tri\u1ec3n khai, qu\u1ea3n l\u00fd c\u0169ng nh\u01b0 v\u1eadn h\u00e0nh n\u00f3 gi\u1ed1ng nh\u01b0 vi\u1ec7c s\u1eed d\u1ee5ng m\u1ed9t m\u00e1y ch\u1ee7 v\u1eadt l\u00fd tr\u00ean m\u00e1y t\u00ednh c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n

M\u1ed9t trong nh\u1eefng \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y l\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng ho\u1eb7c thu h\u1eb9p quy m\u00f4 m\u1ed9t c\u00e1ch linh ho\u1ea1t. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y (nh\u01b0 CPU, b\u1ed9 nh\u1edb, dung l\u01b0\u1ee3ng \u0111\u0129a v\u00e0 b\u0103ng th\u00f4ng m\u1ea1ng) t\u00f9y theo s\u1ef1 thay \u0111\u1ed5i c\u1ee7a t\u1ea3i c\u00f4ng vi\u1ec7c, v\u00e0 nh\u1eefng thay \u0111\u1ed5i n\u00e0y th\u01b0\u1eddng di\u1ec5n ra g\u1ea7n nh\u01b0 ngay l\u1eadp t\u1ee9c, kh\u00f4ng c\u1ea7n tr\u1ea3i qua qu\u00e1 tr\u00ecnh mua s\u1eafm, l\u1eafp \u0111\u1eb7t v\u00e0 thi\u1ebft l\u1eadp m\u1ea1ng ph\u1ee9c t\u1ea1p nh\u01b0 v\u1edbi m\u00e1y ch\u1ee7 v\u1eadt l\u00fd. M\u00f4 h\u00ecnh thanh to\u00e1n theo nhu c\u1ea7u n\u00e0y gi\u00fap doanh nghi\u1ec7p chuy\u1ec3n \u0111\u1ed5i nh\u1eefng kho\u1ea3n \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u l\u1edbn v\u00e0o ph\u1ea7n c\u1ee9ng th\u00e0nh chi ph\u00ed v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c, t\u1eeb \u0111\u00f3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng v\u1ed1n m\u1ed9t c\u00e1ch \u0111\u00e1ng k\u1ec3.<\/p>\n\n\n\n

Kh\u00e1c v\u1edbi c\u00e1c m\u00e1y ch\u1ee7 \u1ea3o ri\u00eang (Virtual Private Server \u2013 VPS) truy\u1ec1n th\u1ed1ng, c\u00e1c m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y (Cloud Host) th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng tr\u00ean n\u1ec1n t\u1ea3ng c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng ph\u00e2n t\u00e1n quy m\u00f4 l\u1edbn h\u01a1n. Ngay c\u1ea3 khi m\u1ed9t m\u00e1y ch\u1ee7 v\u1eadt l\u00fd b\u1ecb l\u1ed7i, n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y v\u1eabn c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng ngh\u1ec7 di chuy\u1ec3n (migration) \u0111\u1ec3 nhanh ch\u00f3ng v\u00e0 t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n m\u00e1y ch\u1ee7 \u0111ang ch\u1ea1y tr\u00ean m\u00e1y \u0111\u00f3 sang c\u00e1c n\u00fat kh\u00e1c trong c\u1ee5m m\u00e0 v\u1eabn ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, nh\u1edd \u0111\u00f3 \u0111\u1ea3m b\u1ea3o t\u00ednh li\u00ean t\u1ee5c v\u00e0 kh\u1ea3 n\u0103ng s\u1eb5n s\u00e0ng cao cho d\u1ecbch v\u1ee5. \u0110i\u1ec1u n\u00e0y c\u00f3 \u0111\u01b0\u1ee3c nh\u1edd v\u00e0o nh\u1eefng \u0111\u1ea7u t\u01b0 l\u1edbn m\u00e0 c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y th\u1ef1c hi\u1ec7n trong l\u0129nh v\u1ef1c trung t\u00e2m d\u1eef li\u1ec7u, ki\u1ebfn tr\u00fac m\u1ea1ng v\u00e0 h\u1ec7 th\u1ed1ng v\u1eadn h\u00e0nh v\u00e0<\/p>\n

\u0110\u1ecdc th\u00eam M\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y ph\u00e2n t\u00edch to\u00e0n di\u1ec7n: T\u1eeb kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n \u0111\u1ebfn \u01b0u \u0111i\u1ec3m c\u1ed1t l\u00f5i, m\u1ed9t b\u00e0i vi\u1ebft hi\u1ec3u r\u00f5 s\u1ee9c m\u1ea1nh t\u00ednh to\u00e1n \u0111\u00e1m m\u00e2y<\/a>\u3002<\/p>\n\n\n\n\n

C\u00e1c th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i v\u00e0 ki\u1ebfn tr\u00fac c\u00f4ng ngh\u1ec7 c\u1ee7a m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y<\/h2>\n\n\n\n

\u0110\u1ec3 hi\u1ec3u r\u00f5 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y, ch\u00fang ta kh\u00f4ng th\u1ec3 kh\u00f4ng ph\u00e2n t\u00edch c\u00e1c th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i v\u00e0 ki\u1ebfn tr\u00fac k\u1ef9 thu\u1eadt n\u1eb1m \u1edf t\u1ea7ng l\u1edbp d\u01b0\u1edbi c\u00f9ng c\u1ee7a n\u00f3. M\u1ed9t m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y ho\u00e0n ch\u1ec9nh \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a nhi\u1ec1u ngu\u1ed3n l\u1ef1c \u1ea3o h\u00f3a kh\u00e1c nh<\/p>\n\n\r\n

\r\n \r\n
\r\n \r\n M\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y SurferCloud <\/strong>\r\n
Ph\u01b0\u01a1ng th\u1ee9c thanh to\u00e1n theo l\u01b0\u1ee3ng s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5; b\u0103ng th\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng m\u1ed9t c\u00e1ch \u0111\u1ed9c quy\u1ec1n, kh\u00f4ng gi\u1edbi h\u1ea1n l\u01b0\u1ee3ng d\u1eef li\u1ec7u truy\u1ec1n t\u1ea3i. D\u1ecbch v\u1ee5 h\u1ed7 tr\u1ee3 kh\u00e1ch h\u00e0ng 24\/7\/365, v\u1edbi h\u01a1n 17 trung t\u00e2m d\u1eef li\u1ec7u tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. Ch\u00fang t\u00f4i cam k\u1ebft m\u1ee9c \u0111\u1ed9 s\u1eb5n s\u00e0ng ph\u1ee5c v\u1ee5 (SLA) l\u00ean \u0111\u1ebfn 99,95<\/div>\r\n <\/div>\r\n\r\n
\r\n \r\n \"Bi\u1ec3u\r\n \r\n <\/a>\r\n \r\n \r\n Truy c\u1eadp trang <\/a>\r\n <\/div>\r\n<\/div>\n\n\n\n\n\n\n

Calculation of virtualization<\/h3>\n\n\n\n

\u0110\u00e2y l\u00e0 n\u1ec1n t\u1ea3ng c\u01a1 b\u1ea3n c\u1ee7a c\u00e1c m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y, ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c chia th\u00e0nh hai h\u01b0\u1edbng c\u00f4ng ngh\u1ec7 ch\u00ednh. M\u1ed9t h\u01b0\u1edbng l\u00e0 s\u1eed d\u1ee5ng c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh gi\u00e1m s\u00e1t m\u00e1y \u1ea3o \u0111\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c \u1ea3o h\u00f3a ho\u00e0n to\u00e0n (nh\u01b0 KVM, VMware), n\u01a1i m\u1ed9t l\u1edbp \u1ea3o h\u00f3a \u0111\u01b0\u1ee3c t\u1ea1o ra tr\u00ean n\u1ec1n t\u1ea3ng h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u1ee7a m\u00e1y ch\u1ee7 v\u1eadt l\u00fd, cho ph\u00e9p nhi\u1ec1u m\u00e1y \u1ea3o (t\u1ee9c l\u00e0 c\u00e1c m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y) v\u1edbi h\u1ec7 \u0111i\u1ec1u h\u00e0nh \u0111\u1ed9c l\u1eadp ch\u1ea1y song song c\u00f9ng l\u00fac. H\u01b0\u1edbng th\u1ee9 hai l\u00e0 c\u00f4ng ngh\u1ec7 container h\u00f3a (nh\u01b0 Docker), th\u00f4ng qua vi\u1ec7c \u1ea3o h\u00f3a \u1edf c\u1ea5p \u0111\u1ed9 h\u1ec7 \u0111i\u1ec1u h\u00e0nh, c\u00e1c instance kh\u00f4ng gian ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c c\u00f4 l\u1eadp v\u1edbi nhau ch\u1ea1y tr\u00ean c\u00f9ng m\u1ed9t h\u1ec7 \u0111i\u1ec1u h\u00e0nh nh\u00e2n \u0111\u01b0\u1ee3c chia s\u1ebb, mang l\u1ea1i t\u00ednh nh\u1eb9 nh\u00e0ng h\u01a1n v\u00e0 t\u1ed1c \u0111\u1ed9 kh\u1edfi \u0111\u1ed9ng nhanh h\u01a1n. C\u00e1c n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y hi\u1ec7n \u0111\u1ea1i th\u01b0\u1eddng cung c\u1ea5p c\u1ea3 hai h\u00ecnh th\u1ee9c t\u00ednh to\u00e1n n\u00e0y.<\/p>\n\n\n\n

Storage virtualization<\/h3>\n\n\n\n

L\u01b0u tr\u1eef c\u1ee7a m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00e1ch bi\u1ec7t kh\u1ecfi ph\u1ea7n x\u1eed l\u00fd (ph\u1ea7n t\u00ednh to\u00e1n). \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 \u1ed5 \u0111\u0129a h\u1ec7 th\u1ed1ng v\u00e0 \u1ed5 \u0111\u0129a d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn tr\u1ef1c ti\u1ebfp v\u00e0o \u1ed5 c\u1ee9ng c\u1ee7a m\u00e1y ch\u1ee7 v\u1eadt l\u00fd, m\u00e0 \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef ph\u00e2n t\u00e1n \u1edf ph\u00eda sau. Ki\u1ebfn tr\u00fac n\u00e0y mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch: \u0111\u1ed9 b\u1ec1n d\u1eef li\u1ec7u cao h\u01a1n (d\u1eef li\u1ec7u v\u1eabn \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 ngay c\u1ea3 khi m\u00e1y ch\u1ee7 b\u1ecb h\u1ecfng); \u1ed5 \u0111\u0129a h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c sao ch\u00e9p th\u00e0nh b\u1ea3n sao (image) \u0111\u1ec3 ph\u1ee5c v\u1ee5 m\u1ee5c \u0111\u00edch sao ch\u00e9p nhanh v\u00e0 tri\u1ec3n khai c\u00e1c instance m\u1edbi; h\u1ec7 th\u1ed1ng c\u0169ng h\u1ed7 tr\u1ee3 t\u1ea1o b\u1ea3n sao l\u01b0u (snapshot) cho \u1ed5 \u0111\u0129a d\u1eef li\u1ec7u, gi\u00fap th\u1ef1c hi\u1ec7n vi\u1ec7c sao l\u01b0u v\u00e0 kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch thu\u1eadn ti\u1ec7n.<\/p>\n\n\n\n

\u1ea2o h\u00f3a m\u1ea1ng<\/h3>\n\n\n\n

C\u00e1c m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y th\u00f4ng qua c\u00f4ng ngh\u1ec7 m\u1ea1ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a b\u1eb1ng ph\u1ea7n m\u1ec1m (Software-Defined Networking \u2013 SDN). M\u1ed7i m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y s\u1ebd \u0111\u01b0\u1ee3c c\u1ea5p \u00edt nh\u1ea5t m\u1ed9t th\u1ebb m\u1ea1ng \u1ea3o (virtual network card) v\u00e0 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u00e0o m\u1ed9t m\u1ea1ng \u1ea3o ri\u00eang t\u01b0 (private virtual network). Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111\u1ecbnh ngh\u0129a c\u00e1c subnet, ch\u00ednh s\u00e1ch \u0111\u1ecbnh tuy\u1ebfn, danh s\u00e1ch ki\u1ec3m so\u00e1t truy c\u1eadp (access control lists) v\u00e0 quy t\u1eafc nh\u00f3m b\u1ea3o m\u1eadt (security group rules) b\u00ean trong m\u1ea1ng \u1ea3o n\u00e0y, t\u1eeb \u0111\u00f3 t\u1ea1o ra m\u1ed9t m\u00f4i tr\u01b0\u1eddng m\u1ea1ng \u0111\u01b0\u1ee3c c\u00f4 l\u1eadp c\u00f3 ch\u1ee9c n\u0103ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi m\u1ea1ng v\u1eadt l\u00fd nh\u01b0ng ho\u00e0n to\u00e0n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u1edfi ph\u1ea7n m\u1ec1m. \u0110\u1ecba ch\u1ec9 IP c\u00f4ng c\u1ed9ng (public IP address) \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y th\u00f4ng qua d\u1ecbch v\u1ee5 Elastic IP (EIP) ho\u1eb7c b\u1ed9 ph\u00e2n ph\u1ed1i t\u1ea3i (load balancer) \u0111\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c giao ti\u1ebfp gi\u1eefa m\u1ea1ng n\u1ed9i b\u1ed9 v\u00e0 m\u1ea1ng c\u00f4ng<\/p>\n\n\n\n

C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ch\u00ednh c\u1ee7a m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y (Cloud Server)<\/h2>\n\n\n\n

S\u1ef1 linh ho\u1ea1t c\u1ee7a m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y (cloud server) gi\u00fap ch\u00fang c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u \u0111a d\u1ea1ng c\u1ee7a t\u1eebng \u0111\u1ed1i t\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng, t\u1eeb nh\u1eefng nh\u00e0 ph\u00e1t tri\u1ec3n c\u00e1 nh\u00e2n \u0111\u1ebfn c\u00e1c doanh nghi\u1ec7p l\u1edbn. C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ch\u00ednh bao g\u1ed3m nh\u1eefng kh\u00eda c\u1ea1nh sau:<\/p>\n

\u0110\u1ecdc th\u00eam H\u01b0\u1edbng d\u1eabn t\u1ed1i \u01b0u v\u1ec1 m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y: So s\u00e1nh lo\u1ea1i h\u00ecnh, chi\u1ebfn l\u01b0\u1ee3c ch\u1ecdn mua v\u00e0 th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t<\/a>\u3002<\/p>\n\n\n\n\n

L\u01b0u tr\u1eef trang web v\u00e0 \u1ee9ng d\u1ee5ng Web<\/h3>\n\n\n\n

\u0110\u00e2y l\u00e0 t\u00ecnh hu\u1ed1ng s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t. D\u00f9 l\u00e0 trang web ch\u00ednh th\u1ee9c c\u1ee7a doanh nghi\u1ec7p, n\u1ec1n t\u1ea3ng th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed, h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd n\u1ed9i dung hay blog, t\u1ea5t c\u1ea3 \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tri\u1ec3n khai tr\u00ean m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y. C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u v\u1edbi c\u1ea5u h\u00ecnh c\u01a1 b\u1ea3n t\u00f9y theo l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp c\u1ee7a trang web, v\u00e0 sau \u0111\u00f3 n\u00e2ng c\u1ea5p m\u1ed9t c\u00e1ch li\u1ec1n m\u1ea1ch l\u00ean c\u00e1c phi\u00ean b\u1ea3n c\u00f3 hi\u1ec7u su\u1ea5t cao h\u01a1n khi doanh nghi\u1ec7p ph\u00e1t tri\u1ec3n. K\u1ebft h\u1ee3p v\u1edbi c\u00f4ng ngh\u1ec7 ph\u00e2n b\u1ed5 t\u1ea3i (load balancing) v\u00e0 nh\u00f3m t\u1ef1 \u0111\u1ed9ng m\u1edf r\u1ed9ng (auto-scaling groups), vi\u1ec7c x\u1eed l\u00fd l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp cao c\u1ea5p tr\u1edf n\u00ean d\u1ec5 d\u00e0ng, \u0111\u1ea3m b\u1ea3o tr\u1ea3i<\/p>\n\n\n\n

M\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n v\u00e0 ki\u1ec3m th\u1eed<\/h3>\n\n\n\n

Trong v\u00f2ng \u0111\u1eddi ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m, vi\u1ec7c x\u00e2y d\u1ef1ng v\u00e0 gi\u1ea3i ph\u00f3ng nhanh ch\u00f3ng m\u1ed9t m\u00f4i tr\u01b0\u1eddng th\u1eed nghi\u1ec7m t\u01b0\u01a1ng \u0111\u1ed3ng v\u1edbi m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y, nh\u00f3m ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 tri\u1ec3n khai m\u1ed9t m\u00f4i tr\u01b0\u1eddng th\u1eed nghi\u1ec7m ho\u00e0n ch\u1ec9nh trong v\u00f2ng v\u00e0i ph\u00fat \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c b\u00e0i ki\u1ec3m th\u1eed ch\u1ee9c n\u0103ng, ki\u1ec3m th\u1eed hi\u1ec7u n\u0103ng v\u00e0 qu\u00e9t b\u1ea3o m\u1eadt. Sau khi k\u1ebft th\u00fac qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, c\u00e1c t\u00e0i nguy\u00ean c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng, tr\u00e1nh t\u00ecnh tr\u1ea1ng l\u00e3ng ph\u00ed, t\u1eeb \u0111\u00f3 n\u00e2ng cao \u0111\u00e1ng k\u1ec3 hi\u1ec7u qu\u1ea3 ph\u00e1t tri\u1ec3n v\u00e0 gi\u1ea3m chi ph\u00ed.<\/p>\n\n\n\n

Tri\u1ec3n khai \u1ee8ng d\u1ee5ng Doanh nghi\u1ec7p v\u00e0 C\u01a1 s\u1edf d\u1eef li\u1ec7u<\/h3>\n\n\n\n

Nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u1ed1t l\u00f5i c\u1ee7a c\u00e1c doanh nghi\u1ec7p, ch\u1eb3ng h\u1ea1n nh\u01b0 h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd m\u1ed1i quan h\u1ec7 kh\u00e1ch h\u00e0ng (CRM), h\u1ec7 th\u1ed1ng ho\u1ea1ch \u0111\u1ecbnh ngu\u1ed3n l\u1ef1c doanh nghi\u1ec7p (ERP) v\u00e0 c\u00e1c lo\u1ea1i c\u01a1 s\u1edf d\u1eef li\u1ec7u, \u0111ang d\u1ea7n \u0111\u01b0\u1ee3c chuy\u1ec3n l\u00ean n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y. C\u00e1c m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y cung c\u1ea5p m\u1ed9t n\u1ec1n t\u1ea3ng \u1ed5n \u0111\u1ecbnh \u0111\u1ec3 tri\u1ec3n khai nh\u1eefng \u1ee9ng d\u1ee5ng n\u00e0y. B\u1eb1ng c\u00e1ch l\u1ef1a ch\u1ecdn c\u00e1c lo\u1ea1i m\u00e1y \u1ea3o c\u00f3 hi\u1ec7u su\u1ea5t cao v\u00e0 c\u1ea5u h\u00ecnh l\u01b0u tr\u1eef SSD, c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c nh\u1eefng y\u00eau c\u1ea7u cao v\u1ec1 ho\u1ea1t \u0111\u1ed9ng \u0111\u1ecdc\/ghi d\u1eef li\u1ec7u (I\/O) c\u1ee7a c\u01a1 s\u1edf d\u1eef li\u1ec7u. \u0110\u1ed3ng th\u1eddi, c\u00e1c gi\u1ea3i ph\u00e1p tri\u1ec3n khai v\u1edbi c\u01a1 ch\u1ebf sao l\u01b0u d\u1eef li\u1ec7u ch\u00ednh\/ph\u1ee5 v\u00e0 s\u1eed d\u1ee5ng nhi\u1ec1u khu v\u1ef1c s\u1eb5n c\u00f3 tr\u00ean n<\/p>\n\n

\r\n\t\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\"SurferCloud\r\n\t\t\t\t\t\t\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\tSurferCloud <\/strong>\r\n\t\t\t\t\t\t\t\t\t\t
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Gi\u1ea3m gi\u00e1 40% cho Ng\u00e0y Th\u1ee9 S\u00e1u \u0110en<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\tTruy c\u1eadp SurferCloud \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\"\u0110\u00e1m\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\t\u0110\u00e1m m\u00e2y Cloudways <\/strong>\r\n\t\t\t\t\t\t\t\t\t\t
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D\u00f9ng th\u1eed mi\u1ec5n ph\u00ed trong 3 ng\u00e0y<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\tTruy c\u1eadp Cloudways \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

X\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn v\u00e0 t\u00ednh to\u00e1n hi\u1ec7u su\u1ea5t cao<\/h3>\n\n\n\n

\u0110\u1ed1i v\u1edbi nh\u1eefng nhi\u1ec7m v\u1ee5 y\u00eau c\u1ea7u x\u1eed l\u00fd l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn ho\u1eb7c th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p t\u00ednh khoa h\u1ecdc ph\u1ee9c t\u1ea1p, m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y cung c\u1ea5p gi\u1ea3i ph\u00e1p d\u1ef1a tr\u00ean c\u00e1c c\u1ee5m m\u00e1y t\u00ednh m\u1ea1nh m\u1ebd. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 t\u1ea1o ra t\u1ea1m th\u1eddi h\u00e0ng ch\u1ee5c ho\u1eb7c th\u1eadm ch\u00ed h\u00e0ng tr\u0103m m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y c\u00f3 hi\u1ec7u su\u1ea5t cao, t\u1ea1o th\u00e0nh m\u1ed9t c\u1ee5m m\u00e1y t\u00ednh \u0111\u1ec3 x\u1eed l\u00fd song song c\u00e1c c\u00f4ng vi\u1ec7c nh\u01b0 khai th\u00e1c d\u1eef li\u1ec7u, ph\u00e2n t\u00edch gen, render 3D ho\u1eb7c m\u00f4 h\u00ecnh h\u00f3a t\u00e0i ch\u00ednh. Sau khi nhi\u1ec7m v\u1ee5 ho\u00e0n t\u1ea5t, c\u1ee5m m\u00e1y t\u00ednh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i t\u00e1n, v\u00e0 chi ph\u00ed \u0111\u01b0\u1ee3c t\u00ednh d\u1ef1a tr\u00ean th\u1eddi gian s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf. \u0110i\u1ec1u n\u00e0y gi\u00fap c\u00e1c t\u1ed5 ch\u1ee9c nghi\u00ean c\u1ee9u khoa h\u1ecdc v\u00e0 doanh nghi\u1ec7p c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c s\u1ee9c m\u1ea1nh t\u00ednh to\u00e1n si\u00eau cao v\u1edbi chi ph\u00ed ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn v\u00e0 c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y<\/h2>\n\n\n\n

Tr\u01b0\u1edbc s\u1ef1 \u0111a d\u1ea1ng c\u1ee7a c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y tr\u00ean th\u1ecb tr\u01b0\u1eddng v\u00e0 nhi\u1ec1u lo\u1ea1i instance ph\u1ee9c t\u1ea1p, vi\u1ec7c \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh \u0111\u00fang \u0111\u1eafn \u0111\u00f2i h\u1ecfi ph\u1ea3i xem x\u00e9t k\u1ef9 l\u01b0\u1ee1ng c\u1ea3 nhu c\u1ea7u k\u1ef9 thu\u1eadt l\u1eabn hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed.<\/p>\n\n\n\n

X\u00e1c \u0111\u1ecbnh c\u00e1c y\u00eau c\u1ea7u v\u1ec1 hi\u1ec7u su\u1ea5t c\u1ed1t l\u00f5i<\/h3>\n\n\n\n

Tr\u01b0\u1edbc ti\u00ean, c\u1ea7n \u0111\u00e1nh gi\u00e1 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a t\u1ea3i c\u00f4ng vi\u1ec7c. N\u1ebfu \u1ee9ng d\u1ee5ng c\u00f3 t\u00ednh ch\u1ea5t \u0111\u00f2i h\u1ecfi nhi\u1ec1u t\u00ednh to\u00e1n, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e3 h\u00f3a video ho\u1eb7c m\u00f4 ph\u1ecfng khoa h\u1ecdc, th\u00ec n\u00ean \u01b0u ti\u00ean s\u1eed d\u1ee5ng c\u00e1c m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho CPU. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi nhi\u1ec1u b\u1ed9 nh\u1edb, nh\u01b0 c\u01a1 s\u1edf d\u1eef li\u1ec7u d\u1ef1a tr\u00ean b\u1ed9 nh\u1edb ho\u1eb7c x\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn theo th\u1eddi gian th\u1ef1c, th\u00ec c\u1ea7n s\u1eed d\u1ee5ng c\u00e1c m\u00e1y ch\u1ee7 c\u00f3 dung l\u01b0\u1ee3ng b\u1ed9 nh\u1edb l\u1edbn. \u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng giao d\u1ecbch t\u1ea7n su\u1ea5t cao ho\u1eb7c c\u01a1 s\u1edf d\u1eef li\u1ec7u quan h\u1ec7, vi\u1ec7c k\u1ebft h\u1ee3p c\u00e1c m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho I\/O v\u1edbi \u1ed5 SSD hi\u1ec7u su\u1ea5t cao l\u00e0 r\u1ea5t quan tr\u1ecdng. Trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p nh\u01b0 hi\u1ec3n th\u1ecb \u0111\u1ed3 h\u1ecda, suy lu\u1eadn h\u1ecdc m\u00e1y, c\u00f3 th\u1ec3 c\u1ea7n s\u1eed d\u1ee5ng c\u00e1c m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c trang b\u1ecb GPU \u0111\u1ec3 t\u0103ng t\u1ed1c qu\u00e1 tr\u00ecnh t\u00ednh to\u00e1n.<\/p>\n

\u0110\u1ecdc th\u00eam M\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y: Nh\u1eefng \u01b0u \u0111i\u1ec3m c\u1ed1t l\u00f5i, h\u01b0\u1edbng d\u1eabn mua s\u1eafm v\u00e0 th\u1ef1c ti\u1ec5n t\u1ed1t nh\u1ea5t<\/a>\u3002<\/p>\n\n\n\n\n

L\u1ef1a ch\u1ecdn khu v\u1ef1c v\u00e0 v\u00f9ng s\u1eb5n s\u00e0ng ph\u00f9 h\u1ee3p<\/h3>\n\n\n\n

C\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y \u0111\u00e3 tri\u1ec3n khai nhi\u1ec1u trung t\u00e2m d\u1eef li\u1ec7u \u1edf nhi\u1ec1u khu v\u1ef1c tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. Khi l\u1ef1a ch\u1ecdn khu v\u1ef1c, nguy\u00ean t\u1eafc quan tr\u1ecdng nh\u1ea5t l\u00e0 ph\u1ea3i \u0111\u1eb7t trung t\u00e2m d\u1eef li\u1ec7u g\u1ea7n ng\u01b0\u1eddi d\u00f9ng m\u1ee5c ti\u00eau c\u1ee7a b\u1ea1n nh\u1eb1m gi\u1ea3m \u0111\u1ed9 tr\u1ec5 m\u1ea1ng v\u00e0 n\u00e2ng cao t\u1ed1c \u0111\u1ed9 truy c\u1eadp. Ti\u1ebfp theo, c\u1ea7n xem x\u00e9t c\u00e1c y\u00eau c\u1ea7u v\u1ec1 tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh ph\u00e1p l\u00fd, \u0111\u1ea3m b\u1ea3o r\u1eb1ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef t\u1ea1i khu v\u1ef1c ph\u00f9 h\u1ee3p v\u1edbi lu\u1eadt ph\u00e1p \u0111\u1ecba ph\u01b0\u01a1ng. Trong khu v\u1ef1c \u0111\u00e3 ch\u1ecdn, n\u00ean c\u1ed1 g\u1eafng tri\u1ec3n khai c\u00e1c t\u00e0i nguy\u00ean li\u00ean quan \u1edf nhi\u1ec1u khu v\u1ef1c s\u1eb5n c\u00f3 (availability zones \u2013 AZ). C\u00e1c khu v\u1ef1c s\u1eb5n c\u00f3 l\u00e0 nh\u1eefng v\u1ecb tr\u00ed v\u1eadt l\u00fd \u0111\u01b0\u1ee3c c\u00e1ch ly v\u1ec1 m\u1eb7t \u0111i\u1ec7n v\u00e0 m\u1ea1ng; vi\u1ec7c tri\u1ec3n khai d\u1eef li\u1ec7u tr\u00ean nhi\u1ec1u khu v\u1ef1c s\u1eb5<\/p>\n\n\n\n

L\u1eadp k\u1ebf ho\u1ea1ch cho l\u01b0u tr\u1eef v\u00e0 m\u1ea1ng<\/h3>\n\n\n\n

\u0110\u0129a h\u1ec7 th\u1ed1ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn l\u00e0 c\u00e1c \u1ed5 \u0111\u0129a \u0111\u00e1m m\u00e2y hi\u1ec7u su\u1ea5t cao ho\u1eb7c \u1ed5 \u0111\u0129a SSD \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u1ed1c \u0111\u1ed9 kh\u1edfi \u0111\u1ed9ng v\u00e0 ho\u1ea1t \u0111\u1ed9ng nhanh ch\u00f3ng. \u0110\u0129a d\u1eef li\u1ec7u c\u1ea7n \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn lo\u1ea1i ph\u00f9 h\u1ee3p d\u1ef1a tr\u00ean l\u01b0\u1ee3ng d\u1eef li\u1ec7u, m\u00f4 h\u00ecnh truy c\u1eadp v\u00e0 y\u00eau c\u1ea7u v\u1ec1 hi\u1ec7u n\u0103ng, \u0111\u1ed3ng th\u1eddi c\u1ea7n l\u1eadp k\u1ebf ho\u1ea1ch v\u1ec1 dung l\u01b0\u1ee3ng v\u00e0 thi\u1ebft l\u1eadp ch\u00ednh s\u00e1ch sao l\u01b0u t\u1ef1 \u0111\u1ed9ng \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u. V\u1ec1 m\u1eb7t m\u1ea1ng, n\u00ean \u01b0u ti\u00ean s\u1eed d\u1ee5ng m\u1ea1ng ri\u00eang (VPC) cho c\u00e1c giao ti\u1ebfp n\u1ed9i b\u1ed9, ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd l\u01b0u l\u01b0\u1ee3ng v\u00e0o v\u00e0 ra b\u1eb1ng c\u00e1c nh\u00f3m b\u1ea3o m\u1eadt (security groups) \u0111\u1ec3 gi\u1ea3m thi\u1ec3u nguy c\u01a1 b\u1ecb t\u1ea5n c\u00f4ng m\u1ea1ng. \u0110\u1ed1i v\u1edbi b\u0103ng th\u00f4ng internet c\u00f4ng c\u1ed9ng, th\u00f4ng th\u01b0\u1eddng s\u1ebd s\u1eed d\u1ee5ng h\u00ecnh th\u1ee9c t\u00ednh ph\u00ed theo l\u01b0u l\u01b0\u1ee3ng \u0111\u1ec3 ti\u1ebft ki\u1ec7m chi ph\u00ed; tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 c\u1ea7n ph\u1ee5c v\u1ee5 ng\u01b0\u1eddi d\u00f9ng li<\/p>\n\n\n

\n\n
\n VPS \u0111\u00e1m m\u00e2y HostArmada<\/strong>\n
\u1ed4 SSD\/NVMe \u0111\u00e1m m\u00e2y + t\u0103ng t\u1ed1c b\u1ed9 nh\u1edb \u0111\u1ec7m nhi\u1ec1u l\u1edbp, gi\u1ea3m gi\u00e1 50% cho kho\u1ea3n thanh to\u00e1n h\u00e0ng th\u00e1ng trong th\u1eddi gian \u0111\u0103ng k\u00fd l\u1ea7n \u0111\u1ea7u, h\u1ed7 tr\u1ee3 24\/7\/365 v\u00e0 truy c\u1eadp ROOT ho\u00e0n to\u00e0n.<\/div>\n <\/div>\n\n
\n \n \n \"Logo\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

X\u00e2y d\u1ef1ng chi\u1ebfn l\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a chi ph\u00ed<\/h3>\n\n\n\n

Chi ph\u00ed v\u1eadn h\u00e0nh m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y kh\u00f4ng ch\u1ec9 bao g\u1ed3m gi\u00e1 c\u1ee7a ch\u00ednh c\u00e1c instance (m\u00e1y \u1ea3o), m\u00e0 c\u00f2n bao g\u1ed3m c\u00e1c kho\u1ea3n ph\u00ed kh\u00e1c nh\u01b0 l\u01b0u tr\u1eef, b\u0103ng th\u00f4ng, sao l\u01b0u d\u1eef li\u1ec7u (snapshot), h\u00ecnh \u1ea3nh m\u00e1y \u1ea3o (image), v.v. Vi\u1ec7c t\u1eadn d\u1ee5ng t\u1ed1i \u0111a c\u00e1c d\u1ecbch v\u1ee5 nh\u01b0 instance c\u00f3 gi\u00e1 c\u1ea3 c\u1ea1nh tranh ho\u1eb7c instance \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u01b0\u1edbc (reserved instance) do nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y cung c\u1ea5p c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed v\u1eadn h\u00e0nh trong th\u1eddi gian d\u00e0i. B\u1ea1n n\u00ean ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 v\u00e0 t\u1eaft nh\u1eefng instance v\u00e0 \u1ed5 \u0111\u0129a kh\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng n\u1eefa, \u0111\u1ed3ng th\u1eddi thi\u1ebft l\u1eadp c\u1ea3nh b\u00e1o ng\u00e2n s\u00e1ch \u0111\u1ec3 tr\u00e1nh vi\u1ec7c chi ti\u00eau v\u01b0\u1ee3t qu\u00e1 d\u1ef1 ki\u1ebfn. Ngo\u00e0i ra, h\u00e3y s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t \u0111\u1ec3 ph\u00e2n t\u00edch m\u1ee9c \u0111\u1ed9 s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean; \u0111\u1ed1i v<\/p>\n\n\n\n

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

L\u00e0 s\u1ea3n ph\u1ea9m c\u1ed1t l\u00f5i c\u1ee7a c\u00e1c d\u1ecbch v\u1ee5 \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y, m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y (cloud host) \u0111\u00e3 thay \u0111\u1ed5i ho\u00e0n to\u00e0n c\u00e1ch c\u00e1c doanh nghi\u1ec7p ti\u1ebfp c\u1eadn v\u00e0 s\u1eed d\u1ee5ng c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng CNTT b\u1eb1ng c\u00e1ch \u1ea3o h\u00f3a, t\u1eadp trung c\u00e1c ngu\u1ed3n l\u1ef1c t\u00ednh to\u00e1n, l\u01b0u tr\u1eef v\u00e0 m\u1ea1ng, sau \u0111\u00f3 cung c\u1ea5p ch\u00fang d\u01b0\u1edbi d\u1ea1ng c\u00e1c d\u1ecbch v\u1ee5. Nh\u1eefng t\u00ednh n\u0103ng nh\u01b0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng linh ho\u1ea1t theo nhu c\u1ea7u (elastic scaling), thanh to\u00e1n theo s\u1eed d\u1ee5ng (pay-as-you-go) v\u00e0 \u0111\u1ed9 s\u1eb5n s\u00e0ng cao (high availability) mang l\u1ea1i cho doanh nghi\u1ec7p s\u1ef1 linh ho\u1ea1t v\u00e0 l\u1ee3i th\u1ebf v\u1ec1 chi ph\u00ed ch\u01b0a t\u1eebng c\u00f3. T\u1eeb vi\u1ec7c x\u00e2y d\u1ef1ng trang web c\u00e1 nh\u00e2n, v\u1eadn h\u00e0nh h\u1ec7 th\u1ed1ng c\u1ed1t l\u00f5i c\u1ee7a doanh nghi\u1ec7p, cho \u0111\u1ebfn x\u1eed l\u00fd l\u01b0\u1ee3ng d\u1eef li\u1ec7u kh\u1ed5ng l\u1ed3, m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y \u0111\u00e3 tr\u1edf th\u00e0nh n\u1ec1n t\u1ea3ng kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ec3 h\u1ed7 tr\u1ee3 c\u00e1c ho\u1ea1t \u0111\u1ed9ng kinh doanh<\/p>\n\n\n\n

Ch\u00eca kh\u00f3a \u0111\u1ec3 s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 n\u1eb1m \u1edf vi\u1ec7c hi\u1ec3u s\u00e2u s\u1eafc c\u00e1c nguy\u00ean l\u00fd k\u1ef9 thu\u1eadt c\u1ee7a n\u00f3, nh\u1eadn di\u1ec7n r\u00f5 r\u00e0ng nh\u1eefng nhu c\u1ea7u \u0111\u1eb7c th\u00f9 c\u1ee7a doanh nghi\u1ec7p m\u00ecnh, v\u00e0 \u0111\u01b0a ra nh\u1eefng l\u1ef1a ch\u1ecdn s\u00e1ng su\u1ed1t gi\u1eefa hi\u1ec7u n\u0103ng, kh\u1ea3 n\u0103ng s\u1eb5n c\u00f3, t\u00ednh b\u1ea3o m\u1eadt v\u00e0 chi ph\u00ed. Khi c\u00f4ng ngh\u1ec7 kh\u00f4ng ng\u1eebng ph\u00e1t tri\u1ec3n, c\u00e1c h\u00ecnh th\u1ee9c v\u00e0 d\u1ecbch v\u1ee5 m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y s\u1ebd tr\u1edf n\u00ean \u0111a d\u1ea1ng v\u00e0 th\u00f4ng minh h\u01a1n, t\u1eeb \u0111\u00f3 th\u00fac \u0111\u1ea9y s\u1ef1 \u0111\u1ed5i m\u1edbi v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a doanh nghi\u1ec7p.<\/p>\n\n\n\n

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

M\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y v\u00e0 m\u00e1y ch\u1ee7 \u1ea3o (virtual host) kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n\n\n\n

V\u1ec1 b\u1ea3n ch\u1ea5t, m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y (cloud host) l\u00e0 nh\u1eefng m\u00e1y ch\u1ee7 \u1ea3o \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean n\u1ec1n t\u1ea3ng c\u00e1c c\u1ee5m m\u00e1y t\u00ednh quy m\u00f4 l\u1edbn. Ch\u00fang s\u1edf h\u1eefu to\u00e0n b\u1ed9 quy\u1ec1n truy c\u1eadp h\u1ec7 \u0111i\u1ec1u h\u00e0nh v\u00e0 ngu\u1ed3n l\u1ef1c t\u00ednh to\u00e1n \u0111\u1ed9c l\u1eadp, h\u1ed7 tr\u1ee3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng ho\u1eb7c thu h\u1eb9p quy m\u00f4 theo nhu c\u1ea7u (elastic scaling) c\u0169ng<\/p>\n\n\n\n

V\u1eadt ch\u1ee7 \u1ea3o (virtual host) th\u01b0\u1eddng l\u00e0 lo\u1ea1i v\u1eadt ch\u1ee7 chia s\u1ebb (shared host), trong \u0111\u00f3 nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng c\u00f9ng s\u1eed d\u1ee5ng c\u00e1c ngu\u1ed3n l\u1ef1c ph\u1ea7n c\u1ee9ng v\u00e0 ph\u1ea7n m\u1ec1m tr\u00ean m\u1ed9t m\u00e1y ch\u1ee7 duy nh\u1ea5t. Quy\u1ec1n truy c\u1eadp c\u1ee7a ng\u01b0\u1eddi d\u00f9ng b\u1ecb h\u1ea1n ch\u1ebf; h\u1ecd th\u01b0\u1eddng ch\u1ec9 c\u00f3 th\u1ec3 qu\u1ea3n l\u00fd c\u00e1c t\u1ec7p tin tr\u00ean trang web m\u00e0 kh\u00f4ng th\u1ec3 t\u1ef1 \u0111\u1ecbnh c\u1ea5u h\u00ecnh h\u1ec7 \u0111i\u1ec1u h\u00e0nh ho\u1eb7c c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m. Gi\u00e1 c\u1ea3 c\u1ee7a lo\u1ea1i v\u1eadt ch\u1ee7 n\u00e0y th\u1ea5p h\u01a1n, nh\u01b0ng<\/p>\n\n\n\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an ninh d\u1eef li\u1ec7u cho m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y?<\/h3>\n\n\n\n

Tr\u00e1ch nhi\u1ec7m b\u1ea3o m\u1eadt d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c chia s\u1ebb gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y. Nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y ch\u1ecbu tr\u00e1ch nhi\u1ec7m v\u1ec1 b\u1ea3o m\u1eadt c\u00e1c c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u1eadt l\u00fd v\u00e0 n\u1ec1n t\u1ea3ng \u1ea3o h\u00f3a, bao g\u1ed3m an ninh t\u1ea1i trung t\u00e2m d\u1eef li\u1ec7u, b\u1ea3o m\u1eadt ph\u1ea7n c\u1ee9ng, v\u00e0 vi\u1ec7c ng\u0103n c\u00e1ch<\/p>\n\n\n\n

Ng\u01b0\u1eddi d\u00f9ng c\u1ea7n ch\u1ecbu tr\u00e1ch nhi\u1ec7m v\u1ec1 an ninh b\u00ean trong m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y, bao g\u1ed3m vi\u1ec7c c\u1eadp nh\u1eadt h\u1ec7 \u0111i\u1ec1u h\u00e0nh v\u00e0 c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt \u1ee9ng d\u1ee5ng m\u1ed9t c\u00e1ch k\u1ecbp th\u1eddi, c\u1ea5u h\u00ecnh t\u01b0\u1eddng l\u1eeda v\u00e0 quy t\u1eafc nh\u00f3m b\u1ea3o m\u1eadt, qu\u1ea3n l\u00fd kh\u00f3a truy c\u1eadp, m\u00e3 h\u00f3a d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m, sao l\u01b0u d\u1eef li\u1ec7u \u0111\u1ecbnh k\u1ef3, v.v. Vi\u1ec7c s\u1eed d\u1ee5ng m\u1ea1ng ri\u00eang (VPC) v\u00e0 b\u1eadt ch\u1ee9c n\u0103ng ghi nh\u1eadt k\u00fd ho\u1ea1t \u0111\u1ed9ng c\u0169ng l\u00e0 nh\u1eefng th\u1ef1c h\u00e0nh b\u1ea3o m\u1eadt quan tr\u1ecdng.<\/p>\n\n\n\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 di chuy\u1ec3n m\u00e1y ch\u1ee7 c\u1ee5c b\u1ed9 l\u00ean m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y?<\/h3>\n\n\n\n

Qu\u00e1 tr\u00ecnh di chuy\u1ec3n th\u01b0\u1eddng bao g\u1ed3m c\u00e1c giai \u0111o\u1ea1n \u0111\u00e1nh gi\u00e1, l\u1ef1a ch\u1ecdn, di chuy\u1ec3n v\u00e0 x\u00e1c th\u1ef1c. \u0110\u1ea7u ti\u00ean, c\u1ea7n \u0111\u00e1nh gi\u00e1 c\u1ea5u h\u00ecnh, c\u00e1c ch\u1ec9 s\u1ed1 hi\u1ec7u n\u0103ng v\u00e0 l\u01b0\u1ee3ng d\u1eef li\u1ec7u c\u1ee7a m\u00e1y ch\u1ee7 hi\u1ec7n t\u1ea1i \u0111\u1ec3 ch\u1ecdn \u0111\u01b0\u1ee3c th\u00f4ng s\u1ed1 ph\u00f9 h\u1ee3p cho m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y. Sau \u0111\u00f3, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 di chuy\u1ec3n do nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y cung c\u1ea5p \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7 v\u1eadt l\u00fd ho\u1eb7c m\u00e1y \u1ea3o sang \u0111\u1ecbnh d\u1ea1ng h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c h\u1ec7 th\u1ed1ng \u0111\u00e1m m\u00e2y h\u1ed7 tr\u1ee3.<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi vi\u1ec7c di chuy\u1ec3n d\u1eef li\u1ec7u tr\u1ef1c tuy\u1ebfn, b\u1ea1n c\u00f3 th\u1ec3 c\u00e0i \u0111\u1eb7t m\u1ed9t m\u00e1y ch\u1ee7 trung gian (proxy) tr\u00ean m\u00e1y ch\u1ee7 ngu\u1ed3n \u0111\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c \u0111\u1ed3ng b\u1ed9 d\u1eef li\u1ec7u theo t\u1eebng ph\u1ea7n (t\u1ee9c l\u00e0 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c di chuy\u1ec3n t\u1eebng ph\u1ea7n m\u1ed9t). Sau \u0111\u00f3, b\u1ea1n th\u1ef1c hi\u1ec7n vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i k\u1ebft n\u1ed1i (switching) trong c\u1eeda s\u1ed5 t\u01b0\u01a1ng \u1ee9ng. Sau khi qu\u00e1 tr\u00ecnh di chuy\u1ec3n ho\u00e0n t\u1ea5t, b\u1ea1n c\u1ea7n ti\u1ebfn h\u00e0nh ki\u1ec3m th\u1eed to\u00e0n di\u1ec7n v\u1ec1 ch\u1ee9c n\u0103ng, hi\u1ec7u n\u0103ng v\u00e0 t\u00ednh b\u1ea3o m\u1eadt \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng<\/p>\n\n\n\n

N\u1ebfu m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y g\u1eb7p ph\u1ea3i h\u1ea1n ch\u1ebf v\u1ec1 hi\u1ec7u n\u0103ng, b\u1ea1n n\u00ean th\u1ef1c hi\u1ec7n nh\u1eefng b\u01b0\u1edbc sau:<\/h3>\n\n\n\n

Tr\u01b0\u1edbc ti\u00ean, c\u1ea7n s\u1eed d\u1ee5ng n\u1ec1n t\u1ea3ng gi\u00e1m s\u00e1t \u0111\u00e1m m\u00e2y \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c v\u1ecb tr\u00ed c\u1ee7a \u0111i\u1ec3m ngh\u1ebdn. N\u1ebfu t\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng CPU ho\u1eb7c b\u1ed9 nh\u1edb lu\u00f4n \u1edf m\u1ee9c qu\u00e1 cao, n\u00ean c\u00e2n nh\u1eafc n\u00e2ng c\u1ea5p c\u1ea5u h\u00ecnh instance. N\u1ebfu v\u1ea5n \u0111\u1ec1 n\u1eb1m \u1edf ho\u1ea1t \u0111\u1ed9ng I\/O c\u1ee7a \u1ed5 \u0111\u0129a, n\u00ean xem x\u00e9t vi\u1ec7c chuy\u1ec3n sang lo\u1ea1i \u1ed5 \u0111\u0129a c\u00f3 hi\u1ec7u su\u1ea5t cao h\u01a1n ho\u1eb7c s\u1eed d\u1ee5ng nhi\u1ec1u \u1ed5 \u0111\u0129a \u0111\u1ec3 t\u1ea1o th\u00e0nh h\u1ec7 th\u1ed1ng RAID.<\/p>\n\n\n\n

N\u1ebfu do b\u0103ng th\u00f4ng m\u1ea1ng kh\u00f4ng \u0111\u1ee7, b\u1ea1n c\u1ea7n n\u00e2ng c\u1ea5p b\u0103ng th\u00f4ng c\u00f4ng c\u1ed9ng ho\u1eb7c t\u1ed1i \u01b0u h\u00f3a \u1ee9ng d\u1ee5ng \u0111\u1ec3 gi\u1ea3m l\u01b0\u1ee3ng d\u1eef li\u1ec7u truy\u1ec1n qua m\u1ea1ng. Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, nguy\u00ean nh\u00e2n g\u00e2y ra s\u1ef1 c\u1ed1 v\u1ec1 hi\u1ec7u n\u0103ng xu\u1ea5t ph\u00e1t t\u1eeb c\u1ea5u tr\u00fac \u1ee9ng d\u1ee5ng ho\u1eb7c ch\u00ednh \u0111o\u1ea1n m\u00e3 ngu\u1ed3n. L\u00fac n\u00e0y, b\u1ea1n n\u00ean t\u1ed1i \u01b0u h\u00f3a c\u00e1c truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u, s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 l\u01b0u tr\u1eef \u0111\u1ec7m (cache), \u00e1p d\u1ee5ng d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng (object storage) v\u00e0 CDN \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i n\u1ed9i dung t\u0129nh, ho\u1eb7c xem x\u00e9t vi\u1ec7c chia nh\u1ecf \u1ee9ng d\u1ee5ng th\u00e0nh c\u00e1c microservice c\u00f3 c\u1ea5u<\/p>","protected":false},"excerpt":{"rendered":"

M\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y (Cloud Host) l\u00e0 c\u00e1c \u0111\u01a1n v\u1ecb t\u00ednh to\u00e1n \u1ea3o \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean c\u00f4ng ngh\u1ec7 \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y, mang l\u1ea1i kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng linh ho\u1ea1t (kh\u1ea3 n\u0103ng t\u0103ng\/gi\u1ea3m t\u00e0i nguy\u00ean theo nhu c\u1ea7u) v\u00e0 \u0111\u1ed9 s\u1eb5n s\u00e0ng cao (high availability). B\u00e0i vi\u1ebft n\u00e0y tr\u00ecnh b\u00e0y m\u1ed9t c\u00e1ch chi ti\u1ebft v\u1ec1 c\u00e1c th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y (\u1ea3o h\u00f3a t\u00ednh to\u00e1n, l\u01b0u tr\u1eef, m\u1ea1ng), c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ch\u00ednh (nh\u01b0 l\u01b0u tr\u1eef trang web, x\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn), \u0111\u1ed3ng th\u1eddi cung c\u1ea5p h\u01b0\u1edbng d\u1eabn th\u1ef1c t\u1ebf v\u1ec1 c\u00e1ch l\u1ef1a ch<\/p>","protected":false},"author":7,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[362,288,631,283,331],"knowledge_category":[274],"class_list":["post-12364865","knowledge_post","type-knowledge_post","status-publish","hentry","tag-cloud-services","tag-cloud-computing","tag-technology-architecture","tag-server","tag-virtualization","knowledge_category-cloud-hosting"],"acf":{"site_seo_keywords":"\u4e91\u4e3b\u673a,\u4e91\u8ba1\u7b97,\u865a\u62df\u5316\u6280\u672f,\u5f39\u6027\u4f38\u7f29,\u9009\u578b\u6307\u5357,\u7f51\u7ad9\u6258\u7ba1,\u5f00\u53d1\u6d4b\u8bd5\u73af\u5883,\u9ad8\u6027\u80fd\u8ba1\u7b97\u5b9e\u4f8b"},"_links":{"self":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12364865","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":1,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12364865\/revisions"}],"predecessor-version":[{"id":12404189,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12364865\/revisions\/12404189"}],"wp:attachment":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/media?parent=12364865"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/tags?post=12364865"},{"taxonomy":"knowledge_category","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_category?post=12364865"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}