{"id":12367743,"date":"2026-03-14T07:46:05","date_gmt":"2026-03-13T23:46:05","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/%e4%bb%8e%e9%9b%b6%e5%88%b0%e4%b8%80%ef%bc%9a%e4%ba%91%e4%b8%bb%e6%9c%ba%e9%80%89%e8%b4%ad%e3%80%81%e9%83%a8%e7%bd%b2%e4%b8%8e%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96%e7%9a%84%e5%ae%8c%e5%85%a8%e6%8c%87\/"},"modified":"2026-06-03T19:01:48","modified_gmt":"2026-06-03T11:01:48","slug":"cloud-server-selection-deployment-performance-optimization-guide","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/vi\/knowledge\/cloud-hosting\/cloud-server-selection-deployment-performance-optimization-guide\/","title":{"rendered":"T\u1eeb kh\u00f4ng \u0111\u1ebfn c\u00f3: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 l\u1ef1a ch\u1ecdn, tri\u1ec3n khai v\u00e0 t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y"},"content":{"rendered":"

Hi\u1ec3u r\u00f5 v\u1ec1 m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y: C\u00e1c kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i v\u00e0 l\u1ee3i th\u1ebf<\/h2>\n\n\n\n

Trong k\u1ef7 nguy\u00ean s\u1ed1 h\u00f3a, m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y (cloud host) \u0111\u00e3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn m\u1eb7c \u0111\u1ecbnh cho c\u00e1c doanh nghi\u1ec7p v\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n khi x\u00e2y d\u1ef1ng c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng CNTT. \u0110\u00e2y l\u00e0 d\u1ecbch v\u1ee5 cung c\u1ea5p c\u00e1c ngu\u1ed3n l\u1ef1c t\u00ednh to\u00e1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng theo nhu c\u1ea7u th\u00f4ng qua m\u1ea1ng (th\u01b0\u1eddng l\u00e0 Internet). Kh\u00e1c v\u1edbi c\u00e1c m\u00e1y ch\u1ee7 v\u1eadt l\u00fd truy\u1ec1n th\u1ed1ng, m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y ho\u1ea1t \u0111\u1ed9ng trong m\u00f4i tr\u01b0\u1eddng \u1ea3o h\u00f3a \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd b\u1edfi c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y t\u1ea1i c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn; ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng c\u1ea7n ph\u1ea3i mua ho\u1eb7c b\u1ea3o tr\u00ec ph\u1ea7n c\u1ee9ng v\u1eadt l\u00fd.<\/p>\n\n\n\n

\u01afu \u0111i\u1ec3m n\u1ed5i b\u1eadt nh\u1ea5t c\u1ee7a m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y n\u1eb1m \u1edf t\u00ednh linh ho\u1ea1t v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 t\u00f9y \u00fd t\u0103ng ho\u1eb7c gi\u1ea3m l\u01b0\u1ee3ng t\u00e0i nguy\u00ean CPU, b\u1ed9 nh\u1edb, l\u01b0u tr\u1eef v\u00e0 b\u0103ng th\u00f4ng theo s\u1ef1 thay \u0111\u1ed5i c\u1ee7a t\u1ea3i c\u00f4ng vi\u1ec7c, th\u1ef1c hi\u1ec7n vi\u1ec7c thanh to\u00e1n theo nhu c\u1ea7u, nh\u1edd \u0111\u00f3 tr\u00e1nh \u0111\u01b0\u1ee3c l\u00e3ng ph\u00ed do t\u00e0i nguy\u00ean b\u1ecb b\u1ecf tr\u1ed1ng. Ngo\u00e0i ra, t\u00ednh s\u1eb5n s\u00e0ng cao v\u00e0 kh\u1ea3 n\u0103ng d\u1ef1 ph\u00f2ng th\u1ea3m h\u1ecda c\u0169ng l\u00e0 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m quan tr\u1ecdng c\u1ee7a m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y. C\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y h\u00e0ng \u0111\u1ea7u tri\u1ec3n khai trung t\u00e2m d\u1eef li\u1ec7u t\u1ea1i nhi\u1ec1u khu v\u1ef1c tr\u00ean to\u00e0n th\u1ebf gi\u1edbi, \u0111\u1ea3m b\u1ea3o t\u00ednh li\u00ean t\u1ee5c c\u1ee7a d\u1ecbch v\u1ee5 nh\u1edd thi\u1ebft k\u1ebf d\u1ef1 ph\u00f2ng. \u0110\u1ed1i v\u1edbi c\u00e1c nh\u00f3m ph\u00e1t tri\u1ec3n, m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y h\u1ed7 tr\u1ee3 vi\u1ec7c tri\u1ec3n khai nhanh ch\u00f3ng v\u00e0 v\u1eadn h\u00e0nh t\u1ef1 \u0111\u1ed9ng, gi\u00fap r\u00fat ng\u1eafn \u0111\u00e1ng k\u1ec3 th\u1eddi gian t\u1eeb khi \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n \u0111\u1ebfn khi \u0111\u01b0\u1ee3c \u0111<\/p>\n\n\n\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn mua m\u1ed9t m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y ph\u00f9 h\u1ee3p?<\/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, vi\u1ec7c \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean d\u1eabn \u0111\u1ebfn th\u00e0nh c\u00f4ng. Qu\u00e1 tr\u00ecnh mua s\u1eafm \u0111\u00f2i h\u1ecfi ph\u1ea3i xem x\u00e9t k\u1ef9 l\u01b0\u1ee1ng nhi\u1ec1u y\u1ebfu t\u1ed1 \u1edf nhi\u1ec1u kh\u00eda c\u1ea1nh kh\u00e1c nhau.<\/p>\n

\u0110\u1ecdc th\u00eam M\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ec3 thi\u1ebft l\u1eadp m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y doanh nghi\u1ec7p<\/a>\u3002<\/p>\n\n\n\n\n

X\u00e1c \u0111\u1ecbnh r\u00f5 nhu c\u1ea7u kinh doanh c\u1ee7a b\u1ea3n th\u00e2n<\/h3>\n\n\n\n

Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u so s\u00e1nh c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5, b\u1ea1n c\u1ea7n x\u00e1c \u0111\u1ecbnh r\u00f5 nhu c\u1ea7u c\u1ee7a m\u00ecnh. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m: \u01b0\u1edbc l\u01b0\u1ee3ng l\u01b0\u1ee3ng truy c\u1eadp h\u00e0ng ng\u00e0y v\u00e0 m\u1ee9c \u0111\u1ed9 \u0111\u1ed3ng th\u1eddi cao nh\u1ea5t c\u1ee7a trang web ho\u1eb7c \u1ee9ng d\u1ee5ng; ph\u00e2n t\u00edch xem \u1ee9ng d\u1ee5ng thu\u1ed9c lo\u1ea1i n\u00e0o (t\u1eadp trung v\u00e0o t\u00ednh to\u00e1n, b\u1ed9 nh\u1edb, hay I\/O); \u0111\u00e1nh gi\u00e1 l\u01b0\u1ee3ng d\u1eef li\u1ec7u c\u1ea7n l\u01b0u tr\u1eef v\u00e0 d\u1ef1 b\u00e1o m\u1ee9c t\u0103ng tr\u01b0\u1edfng; x\u00e1c \u0111\u1ecbnh c\u00e1c y\u00eau c\u1ea7u \u0111\u1eb7c bi\u1ec7t v\u1ec1 \u0111\u1ed9 tr\u1ec5 m\u1ea1ng v\u00e0 b\u0103ng th\u00f4ng. V\u00ed d\u1ee5, m\u1ed9t trang web th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed c\u1ea7n ngu\u1ed3n l\u1ef1c t\u00ednh to\u00e1n v\u00e0 m\u1ea1ng cao trong c\u00e1c d\u1ecbp khuy\u1ebfn m\u00e3i l\u1edbn, trong khi m\u1ed9t h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd n\u1ed9i dung c\u00f3 th\u1ec3 quan t\u00e2m nhi\u1ec1u h\u01a1n \u0111\u1ebfn t\u00ednh \u1ed5n \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef.<\/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

\u0110\u00e1nh gi\u00e1 c\u00e1c ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t ch\u00ednh<\/h3>\n\n\n\n

Khi ch\u1ecdn m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y, c\u1ea7n t\u1eadp trung v\u00e0o m\u1ed9t s\u1ed1 ch\u1ec9 ti\u00eau c\u1ee9ng. \u0110\u1ea7u ti\u00ean l\u00e0 hi\u1ec7u su\u1ea5t CPU, bao g\u1ed3m s\u1ed1 l\u00f5i, t\u1ea7n s\u1ed1 v\u00e0 ki\u1ebfn tr\u00fac (nh\u01b0 x86 ho\u1eb7c ARM). Th\u1ee9 hai l\u00e0 dung l\u01b0\u1ee3ng v\u00e0 lo\u1ea1i b\u1ed9 nh\u1edb, \u0111i\u1ec1u n\u00e0y \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u1ee9ng d\u1ee5ng. Th\u1ee9 ba l\u00e0 l\u01b0u tr\u1eef, \u0111\u01b0\u1ee3c chia th\u00e0nh \u1ed5 \u0111\u0129a \u0111\u00e1m m\u00e2y v\u00e0 l\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng, c\u1ea7n quan t\u00e2m \u0111\u1ebfn IOPS (s\u1ed1 l\u01b0\u1ee3ng thao t\u00e1c \u0111\u1ea7u v\u00e0o\/\u0111\u1ea7u ra m\u1ed7i gi\u00e2y), th\u00f4ng l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 b\u1ec1n d\u1eef li\u1ec7u. Cu\u1ed1i c\u00f9ng l\u00e0 m\u1ea1ng, bao g\u1ed3m b\u0103ng th\u00f4ng c\u00f4ng c\u1ed9ng, b\u0103ng th\u00f4ng n\u1ed9i b\u1ed9, \u0111\u1ed9 tr\u1ec5 v\u00e0 li\u1ec7u c\u00f3 cung c\u1ea5p IP \u0111\u00e0n h\u1ed3i v\u00e0 d\u1ecbch v\u1ee5 c\u00e2n b\u1eb1ng t\u1ea3i hay kh\u00f4ng.<\/p>\n\n\n\n

L\u1ef1a ch\u1ecdn nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1ng tin c\u1eady<\/h3>\n\n\n\n

Th\u01b0\u01a1ng hi\u1ec7u v\u00e0 n\u0103ng l\u1ef1c k\u1ef9 thu\u1eadt c\u1ee7a nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 r\u1ea5t quan tr\u1ecdng. Vi\u1ec7c xem x\u00e9t s\u1ef1 ph\u00e2n b\u1ed1 \u0111\u1ecba l\u00fd c\u1ee7a c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u to\u00e0n c\u1ea7u ho\u1eb7c \u0111\u1ecba ph\u01b0\u01a1ng c\u1ee7a h\u1ecd c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 truy c\u1eadp v\u00e0 t\u00ednh tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh ph\u00e1p l\u00fd. H\u00e3y ki\u1ec3m tra m\u1ee9c \u0111\u1ed9 s\u1eb5n s\u00e0ng ph\u1ee5c v\u1ee5 \u0111\u01b0\u1ee3c cam k\u1ebft trong c\u00e1c th\u1ecfa thu\u1eadn d\u1ecbch v\u1ee5 c\u1ee7a h\u1ecd (ch\u1eb3ng h\u1ea1n nh\u01b0 99,991% th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng). Ngo\u00e0i ra, t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i c\u1ee7a b\u1ed9 ph\u1eadn h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt, t\u00ednh \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn, s\u1ef1 d\u1ec5 s\u1eed d\u1ee5ng c\u1ee7a giao di\u1ec7n \u0111i\u1ec1u khi\u1ec3n (console) ho\u1eb7c API, c\u00f9ng v\u1edbi m\u00f4 h\u00ecnh gi\u00e1 c\u1ea3 v\u00e0 t\u00ednh minh b\u1ea1ch v\u1ec1 chi ph\u00ed, \u0111\u1ec1u l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 c\u1ea7n \u0111\u01b0\u1ee3c c\u00e2n nh\u1eafc k<\/p>\n\n\n\n

Th\u1ef1c h\u00e0nh tri\u1ec3n khai v\u00e0 c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y<\/h2>\n\n\n\n

Sau khi mua h\u00e0ng th\u00e0nh c\u00f4ng, b\u01b0\u1edbc ti\u1ebfp theo l\u00e0 tri\u1ec3n khai v\u00e0 c\u1ea5u h\u00ecnh ban \u0111\u1ea7u, nh\u1eb1m t\u1ea1o ra m\u1ed9t m\u00f4i tr\u01b0\u1eddng an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 cho vi\u1ec7c v\u1eadn h\u00e0nh \u1ee9ng d\u1ee5ng.<\/p>\n\n\n\n

Kh\u1edfi t\u1ea1o h\u1ec7 th\u1ed1ng v\u00e0 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt<\/h3>\n\n\n\n

Sau khi t\u1ea1o ra m\u1ed9t instance m\u00e1y ch\u1ee7 cloud, nhi\u1ec7m v\u1ee5 quan tr\u1ecdng nh\u1ea5t l\u00e0 t\u0103ng c\u01b0\u1eddng t\u00ednh b\u1ea3o m\u1eadt cho h\u1ec7 th\u1ed1ng. H\u00e3y thay \u0111\u1ed5i ngay m\u1eadt kh\u1ea9u qu\u1ea3n tr\u1ecb m\u1eb7c \u0111\u1ecbnh v\u00e0 t\u1ea1o m\u1ed9t ng\u01b0\u1eddi d\u00f9ng b\u00ecnh th\u01b0\u1eddng c\u00f3 quy\u1ec1n sudo \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c h\u00e0ng ng\u00e0y. H\u00e3y v\u00f4 hi\u1ec7u h\u00f3a vi\u1ec7c \u0111\u0103ng nh\u1eadp qua SSH d\u1ef1a tr\u00ean m\u1eadt kh\u1ea9u, thay v\u00e0o \u0111\u00f3 s\u1eed d\u1ee5ng c\u1eb7p kh\u00f3a SSH \u0111\u1ec3 x\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng \u2013 \u0111i\u1ec1u n\u00e0y s\u1ebd gi\u00fap t\u0103ng \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng b\u1eb1ng ph\u01b0\u01a1ng th\u1ee9c brute-force. H\u00e3y c\u1ea5u h\u00ecnh t\u01b0\u1eddng l\u1eeda \u0111\u1ec3 ch\u1ec9 cho ph\u00e9p c\u00e1c port d\u1ecbch v\u1ee5 c\u1ea7n thi\u1ebft \u0111\u01b0\u1ee3c truy c\u1eadp, ch\u1eb3ng h\u1ea1n nh\u01b0 port 80\/443 cho d\u1ecbch v\u1ee5 Web v\u00e0 port 22 cho SSH. Vi\u1ec7c c\u1eadp nh\u1eadt h\u1ec7 \u0111i\u1ec1u h\u00e0nh \u0111\u1ecbnh k\u1ef3 c\u00f9ng c\u00e1c b\u1ea3n v\u00e1 b\u1ea3o m\u1eadt quan tr\u1ecdng l\u00e0 n\u1ec1n t\u1ea3ng \u0111\u1ec3 duy tr\u00ec t\u00ednh an to\u00e0n l\u00e2u d\u00e0i cho h\u1ec7 th\u1ed1ng.<\/p>\n

\u0110\u1ecdc th\u00eam L\u1ef1a ch\u1ecdn m\u00e1y ch\u1ee7 cloud: T\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao \u2013 H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 vi\u1ec7c mua v\u00e0 c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7 cloud<\/a>\u3002<\/p>\n\n\n\n\n

C\u1ea5u h\u00ecnh m\u1ea1ng v\u00e0 l\u01b0u tr\u1eef<\/h3>\n\n\n\n

L\u1eadp k\u1ebf ho\u1ea1ch m\u1ea1ng d\u1ef1a tr\u00ean thi\u1ebft k\u1ebf ki\u1ebfn tr\u00fac \u1ee9ng d\u1ee5ng. Thi\u1ebft l\u1eadp c\u00e1c quy t\u1eafc nh\u00f3m b\u1ea3o m\u1eadt m\u1ed9t c\u00e1ch h\u1ee3p l\u00fd \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c instance ch\u1ec9 c\u00f3 quy\u1ec1n truy c\u1eadp t\u1ed1i thi\u1ec3u c\u1ea7n thi\u1ebft. N\u1ebfu tri\u1ec3n khai \u1ee9ng d\u1ee5ng d\u1ea1ng cluster, h\u00e3y t\u1eadn d\u1ee5ng t\u1ed1i \u0111a c\u00e1c d\u1ecbch v\u1ee5 m\u1ea1ng n\u1ed9i b\u1ed9 c\u1ee7a nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y; l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng n\u1ed9i b\u1ed9 th\u01b0\u1eddng \u0111\u01b0\u1ee3c cung c\u1ea5p mi\u1ec5n ph\u00ed v\u00e0 c\u00f3 \u0111\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n. V\u1ec1 ph\u1ea7n l\u01b0u tr\u1eef, vi\u1ec7c t\u00e1ch bi\u1ec7t \u1ed5 \u0111\u0129a h\u1ec7 th\u1ed1ng v\u00e0 \u1ed5 \u0111\u0129a d\u1eef li\u1ec7u l\u00e0 m\u1ed9t th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t. H\u00e3y c\u00e0i \u0111\u1eb7t h\u1ec7 \u0111i\u1ec1u h\u00e0nh tr\u00ean \u1ed5 \u0111\u0129a \u0111\u00e1m m\u00e2y, trong khi l\u01b0u tr\u1eef d\u1eef li\u1ec7u \u1ee9ng d\u1ee5ng, nh\u1eadt k\u00fd, v.v. tr\u00ean \u1ed5 \u0111\u0129a d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i ri\u00eang bi\u1ec7t; \u0111i\u1ec1u n\u00e0y gi<\/p>\n\n\n\n

Tri\u1ec3n khai m\u00f4i tr\u01b0\u1eddng \u1ee9ng d\u1ee5ng<\/h3>\n\n\n\n

Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 t\u1ef1 \u0111\u1ed9ng h\u00f3a \u0111\u1ec3 tri\u1ec3n khai m\u00f4i tr\u01b0\u1eddng \u1ee9ng d\u1ee5ng gi\u00fap n\u00e2ng cao hi\u1ec7u su\u1ea5t v\u00e0 t\u00ednh nh\u1ea5t qu\u00e1n trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n. B\u1ea1n c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng t\u00ednh n\u0103ng t\u1ea1o h\u00ecnh \u1ea3nh t\u00f9y ch\u1ec9nh tr\u00ean c\u00e1c m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y \u0111\u1ec3 l\u01b0u tr\u1eef h\u1ec7 th\u1ed1ng \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t s\u1eb5n c\u00e1c th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n, sau \u0111\u00f3 s\u1eed d\u1ee5ng nh\u1eefng h\u00ecnh \u1ea3nh n\u00e0y khi t\u1ea1o m\u1edbi c\u00e1c instance. C\u00e1c c\u00f4ng c\u1ee5 qu\u1ea3n l\u00fd c\u1ea5u h\u00ecnh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c c\u00e0i \u0111\u1eb7t v\u00e0 \u0111i\u1ec1u ch\u1ec9nh ph\u1ea7n m\u1ec1m m\u1ed9t c\u00e1ch t\u1ef1 \u0111\u1ed9ng. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng web, c\u1ea7n c\u1ea5u h\u00ecnh c\u00e1c c\u00f4ng c\u1ee5 qu\u1ea3n l\u00fd ti\u1ebfn tr\u00ecnh (process managers) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u1ee9ng d\u1ee5ng t\u1ef1 \u0111\u1ed9ng kh\u1edfi \u0111\u1ed9ng l\u1ea1i sau khi g\u1eb7p s\u1ef1 c\u1ed1, \u0111\u1ed3ng th\u1eddi k\u1ebft h\u1ee3p v\u1edbi c\u01a1 ch\u1ebf xoay v\u00f2ng c\u00e1c b\u1ea3n g<\/p>\n\n\n\n

Chi\u1ebfn l\u01b0\u1ee3c gi\u00e1m s\u00e1t v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y<\/h2>\n\n\n\n

Vi\u1ec7c tri\u1ec3n khai ho\u00e0n t\u1ea5t kh\u00f4ng ph\u1ea3i l\u00e0 \u0111i\u1ec3m k\u1ebft th\u00fac; vi\u1ec7c gi\u00e1m s\u00e1t v\u00e0 t\u1ed1i \u01b0u h\u00f3a li\u00ean t\u1ee5c m\u1edbi l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a doanh nghi\u1ec7p v\u00e0 ki\u1ec3m so\u00e1t chi ph\u00ed m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/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
\r\n\t\t\t\t
\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
\r\n\t\t\t\r\n\t\t\t\t\t\t\r\n\t\t\t \r\n\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

Thi\u1ebft l\u1eadp h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t to\u00e0n di\u1ec7n<\/h3>\n\n\n\n

Gi\u00e1m s\u00e1t hi\u1ec7u qu\u1ea3 l\u00e0 con m\u1eaft c\u1ee7a t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t. N\u00ean thi\u1ebft l\u1eadp gi\u00e1m s\u00e1t \u1edf ba c\u1ea5p \u0111\u1ed9: c\u1ea5p \u0111\u1ed9 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng gi\u00e1m s\u00e1t t\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng CPU, t\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng b\u1ed9 nh\u1edb, IOPS \u0111\u0129a v\u00e0 l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng; c\u1ea5p \u0111\u1ed9 h\u1ec7 \u0111i\u1ec1u h\u00e0nh gi\u00e1m s\u00e1t s\u1ed1 l\u01b0\u1ee3ng ti\u1ebfn tr\u00ecnh, s\u1ed1 l\u01b0\u1ee3ng file handle \u0111ang m\u1edf, t\u1ea3i h\u1ec7 th\u1ed1ng; c\u1ea5p \u0111\u1ed9 \u1ee9ng d\u1ee5ng gi\u00e1m s\u00e1t th\u1eddi gian ph\u1ea3n h\u1ed3i, t\u1ef7 l\u1ec7 l\u1ed7i v\u00e0 th\u00f4ng l\u01b0\u1ee3ng c\u1ee7a c\u00e1c giao di\u1ec7n nghi\u1ec7p v\u1ee5 quan tr\u1ecdng. S\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 gi\u00e1m s\u00e1t do nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y cung c\u1ea5p c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng thu th\u1eadp c\u00e1c ch\u1ec9 s\u1ed1 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng, \u0111\u1ed3ng th\u1eddi k\u1ebft h\u1ee3p v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p gi\u00e1m s\u00e1t m\u00e3 ngu\u1ed3n m\u1edf \u0111\u1ec3 x\u00e2y d\u1ef1ng b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n gi\u00e1m s\u00e1t \u1ee9ng d\u1ee5ng t\u00f9y ch\u1ec9nh.<\/p>\n\n\n\n

T\u1ed1i \u01b0u h\u00f3a t\u00e0i nguy\u00ean t\u00ednh to\u00e1n v\u00e0 l\u01b0u tr\u1eef<\/h3>\n\n\n\n

Khi gi\u00e1m s\u00e1t ph\u00e1t hi\u1ec7n r\u1eb1ng CPU lu\u00f4n \u1edf tr\u1ea1ng th\u00e1i t\u1ea3i cao, b\u1ea1n c\u00f3 th\u1ec3 xem x\u00e9t n\u00e2ng c\u1ea5p c\u1ea5u h\u00ecnh instance ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c nh\u00f3m auto-scaling (elastic scaling groups) \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng t\u0103ng s\u1ed1 l\u01b0\u1ee3ng instance v\u00e0o nh\u1eefng th\u1eddi \u0111i\u1ec3m l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ea1t \u0111\u1ec9nh. \u0110\u1ed1i v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng b\u1ed9 nh\u1edb, b\u1ea1n c\u1ea7n ph\u00e2n t\u00edch kh\u1ea3 n\u0103ng x\u1ea3y ra t\u00ecnh tr\u1ea1ng r\u00f2 r\u1ec9 b\u1ed9 nh\u1edb trong \u1ee9ng d\u1ee5ng, sau \u0111\u00f3 t\u1ed1i \u01b0u h\u00f3a m\u00e3 ngu\u1ed3n ho\u1eb7c \u0111i\u1ec1u ch\u1ec9nh chi\u1ebfn l\u01b0\u1ee3c thu gom r\u00e1c (garbage collection). C\u00e1c bi\u1ec7n ph\u00e1p t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u n\u0103ng l\u01b0u tr\u1eef bao g\u1ed3m: ch\u1ecdn \u1ed5 \u0111\u0129a m\u00e2y (cloud disk) c\u00f3 hi\u1ec7u su\u1ea5t cao cho c\u00e1c \u1ee9ng d\u1ee5ng nh\u1ea1y c\u1ea3m v\u1edbi thao t\u00e1c I\/O nh\u01b0 c\u01a1 s\u1edf d\u1eef li\u1ec7u; chuy\u1ec3n c\u00e1c t\u00e0i nguy\u00ean t\u0129nh th\u01b0\u1eddng xuy\u00ean \u0111\u01b0\u1ee3c truy c\u1eadp (nh\u01b0 h\u00ecnh \u1ea3nh, video) sang l\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng (object storage) v\u00e0 k\u1ebft h\u1ee3p v\u1edbi m\u1ea1ng ph\u00e2n ph\u1ed1i n\u1ed9i dung (content distribution network) \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 truy c\u1eadp;<\/p>\n\n\n\n

T\u1ed1i \u01b0u h\u00f3a m\u1ea1ng v\u00e0 chi ph\u00ed<\/h3>\n\n\n\n

\u0110\u1ed9 tr\u1ec5 m\u1ea1ng \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng. B\u1ea1n c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u1ed9 tr\u1ec5 b\u1eb1ng c\u00e1ch tri\u1ec3n khai m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y \u1edf khu v\u1ef1c g\u1ea7n ng\u01b0\u1eddi d\u00f9ng h\u01a1n. H\u00e3y k\u00edch ho\u1ea1t d\u1ecbch v\u1ee5 m\u1ea1ng ph\u00e2n ph\u1ed1i n\u1ed9i dung (Content Delivery Network \u2013 CDN) \u0111\u1ec3 l\u01b0u tr\u1eef n\u1ed9i dung t\u0129nh t\u1ea1i c\u00e1c node \u1edf g\u1ea7n ng\u01b0\u1eddi d\u00f9ng. Vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a chi ph\u00ed l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh li\u00ean t\u1ee5c; h\u00e3y ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean t\u00ecnh h\u00ecnh s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean v\u00e0 t\u1eaft ho\u1eb7c x\u00f3a nh\u1eefng m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y v\u00e0 \u1ed5 \u0111\u0129a \u0111\u00e1m m\u00e2y kh\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. \u0110\u1ed1i v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 c\u00f3 t\u00ednh chu k\u1ef3 r\u00f5 r\u1ec7t, h\u00e3y s\u1eed d\u1ee5ng c\u00e1c g\u00f3i gi\u1ea3m gi\u00e1 ho\u1eb7c ch\u01b0\u01a1ng tr\u00ecnh ti\u1ebft ki\u1ec7m chi ph\u00ed \u0111\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c m\u1ee9c gi\u00e1 t\u1ed1t h\u01a1n khi s\u1eed d\u1ee5ng theo nhu c\u1ea7u. \u0110\u1eb7t l\u1eddi c\u1ea3nh b\u00e1o v\u1ec1 ng\u00e2n s\u00e1ch \u0111\u1ec3 nh\u1eadn th\u00f4ng b\u00e1o k\u1ecbp th\u1eddi khi chi ph\u00ed h\u00e0ng th\u00e1ng v\u01b0\u1ee3t qu\u00e1 d\u1ef1 ki\u1ebfn.<\/p>\n

\u0110\u1ecdc th\u00eam M\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y gi\u1ea3i m\u00e3 to\u00e0n di\u1ec7n: C\u00e1ch ch\u1ecdn, tri\u1ec3n khai v\u00e0 t\u1ed1i \u01b0u h\u00f3a m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y c\u1ee7a b\u1ea1n<\/a>\u3002<\/p>\n\n\n\n\n

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

H\u00e0nh tr\u00ecnh s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y b\u1eaft \u0111\u1ea7u t\u1eeb vi\u1ec7c nh\u1eadn th\u1ee9c r\u00f5 r\u00e0ng v\u1ec1 nhu c\u1ea7u c\u1ee7a b\u1ea3n th\u00e2n, ti\u1ebfp theo l\u00e0 l\u1ef1a ch\u1ecdn c\u1ea9n th\u1eadn nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 v\u00e0 c\u1ea5u h\u00ecnh ph\u00f9 h\u1ee3p, v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 tri\u1ec3n khai theo c\u00e1c ti\u00eau chu\u1ea9n b\u1ea3o m\u1eadt c\u00f9ng vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a li\u00ean t\u1ee5c. M\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 m\u1ed9t m\u00e1y ch\u1ee7 \u1ea3o, m\u00e0 c\u00f2n l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh t\u00ednh to\u00e1n hi\u1ec7n \u0111\u1ea1i t\u00edch h\u1ee3p t\u00ednh linh ho\u1ea1t, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 \u0111\u1ed9 s\u1eb5n s\u00e0ng cao. Vi\u1ec7c n\u1eafm v\u1eefng to\u00e0n b\u1ed9 quy tr\u00ecnh t\u1eeb vi\u1ec7c mua s\u1eafm, tri\u1ec3n khai \u0111\u1ebfn t\u1ed1i \u01b0u h\u00f3a s\u1ebd gi\u00fap c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00e1 nh\u00e2n v\u00e0 \u0111\u1ed9i ng\u0169 doanh nghi\u1ec7p x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c c\u00e1c c\u1ea5u tr\u00fac IT v\u1eeba \u1ed5n \u0111\u1ecbnh, v\u1eeba hi\u1ec7u qu\u1ea3 v\u1eeba ti\u1ebft ki\u1ec7m chi ph\u00ed tr\u00ean n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y, t\u1eeb \u0111\u00f3 lo\u1ea1i b\u1ecf nh\u1eefng r\u00e0o c\u1ea3n cho s\u1ef1 \u0111\u1ed5i m\u1edbi trong ho\u1ea1t \u0111\u1ed9ng kinh doanh v\u00e0 th\u1ef1c s\u1ef1 ph\u00e1t huy h\u1ebft ti\u1ec1<\/p>\n\n\n\n

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

S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa m\u00e1y ch\u1ee7 cloud (###) v\u00e0 m\u00e1y ch\u1ee7 \u1ea3o (virtual host) l\u00e0 g\u00ec?<\/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

M\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y (Cloud Host) l\u00e0 nh\u1eefng \u0111\u01a1n v\u1ecb t\u00ednh to\u00e1n \u0111\u1ed9c l\u1eadp, c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng linh ho\u1ea1t, \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb c\u00e1c c\u1ee5m m\u00e1y ch\u1ee7 v\u1eadt l\u00fd quy m\u00f4 l\u1edbn th\u00f4ng qua c\u00f4ng ngh\u1ec7 \u1ea3o h\u00f3a. M\u1ed7i m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y c\u00f3 h\u1ec7 \u0111i\u1ec1u h\u00e0nh, CPU, b\u1ed9 nh\u1edb v\u00e0 t\u00e0i nguy\u00ean IP ri\u00eang bi\u1ec7t, v\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u00f3 quy\u1ec1n ki\u1ec3m so\u00e1t ho\u00e0n to\u00e0n c\u00e1c t\u00e0i nguy\u00ean \u0111\u00f3.<\/p>\n\n\n\n

M\u00e1y ch\u1ee7 \u1ea3o (virtual host) th\u01b0\u1eddng l\u00e0 nh\u1eefng kh\u00f4ng gian l\u01b0u tr\u1eef trang web \u0111\u01b0\u1ee3c t\u1ea1o ra tr\u00ean m\u1ed9t m\u00e1y ch\u1ee7 v\u1eadt l\u00fd th\u00f4ng qua ph\u1ea7n m\u1ec1m. 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 c\u1ee7a m\u00e1y ch\u1ee7 \u0111\u00f3; ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a m\u00e1y ch\u1ee7 \u1ea3o l\u00e0 l\u01b0u tr\u1eef n\u1ed9i dung web. Ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng th\u1ec3 t\u1ef1 \u0111\u1ecbnh c\u1ea5u h\u00ecnh h\u1ec7 \u0111i\u1ec1u h\u00e0nh hay c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m tr\u00ean m\u00e1y ch\u1ee7 \u1ea3o. V\u1ec1 m\u1eb7t hi\u1ec7u n\u0103ng v\u00e0 t\u00ednh linh ho\u1ea1t, m\u00e1y ch\u1ee7 \u1ea3o k\u00e9m h\u01a1n nhi\u1ec1u so v\u1edbi m\u00e1y ch<\/p>\n\n\n\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n d\u1eef li\u1ec7u tr\u00ean m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y?<\/h3>\n\n\n\n

\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o an ninh d\u1eef li\u1ec7u, c\u1ea7n th\u1ef1c hi\u1ec7n nhi\u1ec1u bi\u1ec7n ph\u00e1p kh\u00e1c nhau \u1edf nhi\u1ec1u c\u1ea5p \u0111\u1ed9. \u0110\u1ea7u ti\u00ean, h\u00e3y s\u1eed d\u1ee5ng ch\u1ee9c n\u0103ng sao l\u01b0u (snapshot) do nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y cung c\u1ea5p \u0111\u1ec3 th\u01b0\u1eddng xuy\u00ean sao l\u01b0u \u1ed5 \u0111\u0129a h\u1ec7 th\u1ed1ng v\u00e0 \u1ed5 \u0111\u0129a d\u1eef li\u1ec7u. Th\u1ee9 hai, h\u00e3y m\u00e3 h\u00f3a d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m tr\u01b0\u1edbc khi l\u01b0u tr\u1eef ch\u00fang. Th\u1ee9 ba, qu\u1ea3n l\u00fd ch\u1eb7t ch\u1ebd quy\u1ec1n truy c\u1eadp, \u00e1p d\u1ee5ng nguy\u00ean t\u1eafc \u201cng\u01b0\u1eddi d\u00f9ng ch\u1ec9 \u0111\u01b0\u1ee3c c\u1ea5p quy\u1ec1n t\u1ed1i thi\u1ec3u c\u1ea7n thi\u1ebft\u201d khi ph\u00e2n ph\u00e1t kh\u00f3a v\u00e0 thi\u1ebft l\u1eadp ch\u00ednh s\u00e1ch truy c\u1eadp. Cu\u1ed1i c\u00f9ng, tri\u1ec3n khai c\u00e1c h\u1ec7 th\u1ed1ng kinh doanh quan tr\u1ecdng trong m\u1ea1ng ri\u00eang (private network), s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 trung gian (jump server) \u0111\u1ec3 truy c\u1eadp v\u00e0o ch\u00fang, v\u00e0 k\u00edch ho\u1ea1t h\u1ec7 th\u1ed1ng ghi nh\u1eadt k\u00fd ho\u1ea1<\/p>\n\n\n\n

Khi m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y g\u1eb7p ph\u1ea3i h\u1ea1n ch\u1ebf v\u1ec1 hi\u1ec7u n\u0103ng, n\u00ean n\u00e2ng c\u1ea5p th\u00e0nh ph\u1ea7n n\u00e0o tr\u01b0\u1edbc ti\u00ean?<\/h3>\n\n\n\n

Khi g\u1eb7p ph\u1ea3i c\u00e1c r\u00e0o c\u1ea3n v\u1ec1 hi\u1ec7u n\u0103ng, kh\u00f4ng n\u00ean v\u1ed9i v\u00e0ng n\u00e2ng c\u1ea5p c\u1ea5u h\u00ecnh m\u00e0 tr\u01b0\u1edbc h\u1ebft c\u1ea7n s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 c\u1ee7a v\u1ea5n \u0111\u1ec1. N\u1ebfu t\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng CPU li\u00ean t\u1ee5c v\u01b0\u1ee3t qu\u00e1 70%, v\u00e0 t\u1ea3i h\u1ec7 th\u1ed1ng kh\u00e1 cao, b\u1ea1n n\u00ean c\u00e2n nh\u1eafc vi\u1ec7c n\u00e2ng c\u1ea5p CPU ho\u1eb7c t\u0103ng s\u1ed1 l\u01b0\u1ee3ng l\u00f5i CPU. N\u1ebfu \u1ee9ng d\u1ee5ng th\u01b0\u1eddng xuy\u00ean s\u1eed d\u1ee5ng c\u00e1c ph\u00e2n v\u00f9ng trao \u0111\u1ed5i d\u1eef li\u1ec7u (swap partition) d\u1eabn \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i ch\u1eadm, th\u00ec c\u00f3 th\u1ec3 do thi\u1ebfu b\u1ed9 nh\u1edb; l\u00fac n\u00e0y b\u1ea1n c\u1ea7n t\u0103ng dung l\u01b0\u1ee3ng b\u1ed9 nh\u1edb. N\u1ebfu th\u1eddi gian ch\u1edd thao t\u00e1c I\/O \u0111\u0129a qu\u00e1 d\u00e0i, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c \u0111\u1ecdc\/ghi d\u1eef li\u1ec7u v\u00e0o c\u01a1 s\u1edf d\u1eef li\u1ec7u, b\u1ea1n n\u00ean n\u00e2ng c\u1ea5p lo\u1ea1i \u0111\u0129a c\u00f3 t\u1ed1c \u0111\u1ed9 IOPS cao h\u01a1n ho\u1eb7c t\u0103ng kh\u1ea3 n\u0103ng x\u1eed l\u00fd d\u1eef li\u1ec7u c\u1ee7a \u0111\u0129a. \u0110\u1ed1i v\u1edbi r\u00e0o c\u1ea3n v\u1ec1 m\u1ea1ng, bi\u1ec3u hi\u1ec7n l\u00e0 t\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng b\u0103ng th\u00f4ng \u0111\u1ea1t m\u1ee9c \u0111\u1ea7y, b\u1ea1n c\u1ea7n n\u00e2ng c\u1ea5p b\u0103ng th\u00f4ng m\u1ea1ng.<\/p>\n\n\n\n

Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i t\u1eeb m\u00e1y ch\u1ee7 truy\u1ec1n th\u1ed1ng sang m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y c\u00f3 ph\u1ee9c t\u1ea1p kh\u00f4ng?<\/h3>\n\n\n\n

M\u1ee9c \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a qu\u00e1 tr\u00ecnh di chuy\u1ec3n ph\u1ee5 thu\u1ed9c v\u00e0o ki\u1ebfn tr\u00fac v\u00e0 t\u00ednh ph\u1ee9c t\u1ea1p c\u1ee7a h\u1ec7 th\u1ed1ng hi\u1ec7n t\u1ea1i. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng Web kh\u00f4ng c\u00f3 tr\u1ea1ng th\u00e1i (stateless), vi\u1ec7c di chuy\u1ec3n th\u01b0\u1eddng kh\u00e1 \u0111\u01a1n gi\u1ea3n; b\u1ea1n ch\u1ec9 c\u1ea7n tri\u1ec3n khai l\u1ea1i m\u00f4i tr\u01b0\u1eddng tr\u00ean m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y v\u00e0 \u0111\u1ed3ng b\u1ed9 d\u1eef li\u1ec7u. Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng truy\u1ec1n th\u1ed1ng ph\u1ee9c t\u1ea1p v\u00e0 c\u00f3 tr\u1ea1ng th\u00e1i (stateful), qu\u00e1 tr\u00ecnh di chuy\u1ec3n \u0111\u00f2i h\u1ecfi k\u1ebf ho\u1ea1ch c\u1ea9n th\u1eadn h\u01a1n, v\u00e0 c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i t\u1ea1m d\u1eebng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n

\u0110\u1ec1 xu\u1ea5t \u00e1p d\u1ee5ng chi\u1ebfn l\u01b0\u1ee3c di chuy\u1ec3n theo t\u1eebng giai \u0111o\u1ea1n: tr\u01b0\u1edbc h\u1ebft di chuy\u1ec3n c\u00e1c h\u1ec7 th\u1ed1ng kh\u00f4ng quan tr\u1ecdng, sau \u0111\u00f3 t\u00edch l\u0169y kinh nghi\u1ec7m r\u1ed3i m\u1edbi ti\u1ebfn h\u00e0nh di chuy\u1ec3n c\u00e1c d\u1ecbch v\u1ee5 c\u1ed1t l\u00f5i. S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 di chuy\u1ec3n m\u00e1y ch\u1ee7 c\u00f3 th\u1ec3 gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh di chuy\u1ec3n. C\u00e1c b\u01b0\u1edbc quan tr\u1ecdng bao g\u1ed3m: \u0111\u00e1nh gi\u00e1 v\u00e0 th\u1eed nghi\u1ec7m k\u1ef9 l\u01b0\u1ee1ng, x\u00e2y d\u1ef1ng k\u1ebf ho\u1ea1ch di chuy\u1ec3n chi ti\u1ebft, chu\u1ea9n b\u1ecb k\u1ebf ho\u1ea1ch kh\u00f4i ph\u1ee5c ( rollback), th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c v\u00e0o th\u1eddi \u0111i\u1ec3m l\u01b0u l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c th\u1ea5p, v\u00e0 ki\u1ec3m tra to\u00e0n di\u1ec7n sau khi di chuy\u1ec3n.<\/p>","protected":false},"excerpt":{"rendered":"

B\u00e0i vi\u1ebft n\u00e0y tr\u00ecnh b\u00e0y m\u1ed9t c\u00e1ch h\u1ec7 th\u1ed1ng to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh t\u1eeb vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u1ebfn v\u1eadn h\u00e0nh v\u00e0 b\u1ea3o tr\u00ec m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y. \u0110\u1ea7u ti\u00ean, b\u00e0i vi\u1ebft ph\u00e2n t\u00edch nh\u1eefng \u01b0u \u0111i\u1ec3m c\u1ed1t l\u00f5i c\u1ee7a m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y, sau \u0111\u00f3 h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch l\u1ef1a ch\u1ecdn v\u00e0 c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7 ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u kinh doanh, ti\u1ebfp theo l\u00e0 gi\u1ea3i th\u00edch c\u00e1c ph\u01b0\u01a1ng ph\u00e1p tri\u1ec3n khai v\u00e0 c\u1ea5u h\u00ecnh an to\u00e0n, v\u00e0 cu\u1ed1i c\u00f9ng \u0111\u01b0a ra c\u00e1c chi\u1ebfn l\u01b0\u1ee3c gi\u00e1m s\u00e1t hi\u1ec7u n\u0103ng v\u00e0 t\u1ed1i \u01b0u h\u00f3a, nh\u1eb1m gi\u00fa<\/p>","protected":false},"author":7,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[461,39,288,289,323],"knowledge_category":[274],"class_list":["post-12367743","knowledge_post","type-knowledge_post","status-publish","hentry","tag-it-infrastructure","tag-cloud-hosting","tag-cloud-computing","tag-performance-optimization","tag-server-deployment","knowledge_category-cloud-hosting"],"acf":{"site_seo_keywords":"\u4e91\u4e3b\u673a\u9009\u8d2d\uff0c\u4e91\u4e3b\u673a\u90e8\u7f72\uff0c\u6027\u80fd\u4f18\u5316\uff0c\u4e91\u670d\u52a1\u5668\u6307\u5357\uff0c\u4e91\u8ba1\u7b97\u5165\u95e8\uff0c\u4e91\u4e3b\u673a\u914d\u7f6e\u5b9e\u8df5\uff0c\u4e91\u4e3b\u673a\u76d1\u63a7\uff0c\u6210\u672c\u4f18\u5316\u7b56\u7565"},"_links":{"self":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12367743","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\/12367743\/revisions"}],"predecessor-version":[{"id":12403650,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12367743\/revisions\/12403650"}],"wp:attachment":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/media?parent=12367743"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/tags?post=12367743"},{"taxonomy":"knowledge_category","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_category?post=12367743"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}