{"id":39233,"date":"2024-06-07T17:32:42","date_gmt":"2024-06-07T10:32:42","guid":{"rendered":"https:\/\/wiki.tino.org\/staging\/?p=39233"},"modified":"2026-10-23T10:47:21","modified_gmt":"2026-10-23T03:47:21","slug":"cloud-server-la-gi","status":"publish","type":"post","link":"https:\/\/tino.vn\/blog\/cloud-server-la-gi\/","title":{"rendered":"Cloud Server l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng v\u00e0 khi n\u00e0o n\u00ean d\u00f9ng"},"content":{"rendered":"\n

Cloud server (m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y) l\u00e0 m\u00e1y ch\u1ee7 \u1ea3o ch\u1ea1y tr\u00ean m\u1ed9t c\u1ee5m nhi\u1ec1u m\u00e1y ch\u1ee7 v\u1eadt l\u00fd d\u00f9ng chung kho l\u01b0u tr\u1eef, t\u1ea1o v\u00e0 \u0111\u1ed5i c\u1ea5u h\u00ecnh qua b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ho\u1eb7c API.<\/strong> B\u1ea1n c\u00f3 quy\u1ec1n root nh\u01b0 m\u00e1y ch\u1ee7 ri\u00eang m\u00e0 kh\u00f4ng ph\u1ea3i lo ph\u1ea7n c\u1ee9ng; m\u00e1y v\u1eadt l\u00fd h\u1ecfng th\u00ec cloud server th\u01b0\u1eddng \u0111\u01b0\u1ee3c kh\u1edfi \u0111\u1ed9ng l\u1ea1i tr\u00ean m\u00e1y kh\u00e1c.<\/p>\n\n\n\n

Theo \u0111\u1ecbnh ngh\u0129a c\u1ee7a AWS<\/a>, cloud server l\u00e0 m\u00e1y ch\u1ee7 \u0111\u00e3 \u0111\u01b0\u1ee3c \u1ea3o ho\u00e1, ch\u1ea1y tr\u00ean h\u1ea1 t\u1ea7ng do nh\u00e0 cung c\u1ea5p \u0111\u00e1m m\u00e2y s\u1edf h\u1eefu. Ch\u1ea1y tr\u00ean c\u1ee5m v\u00e0 d\u00f9ng l\u01b0u tr\u1eef chung l\u00e0 ki\u1ebfn tr\u00fac ph\u1ed5 bi\u1ebfn, kh\u00f4ng ph\u1ea3i \u0111i\u1ec1u ki\u1ec7n trong \u0111\u1ecbnh ngh\u0129a c\u1ee7a AWS; AWS c\u00f2n x\u1ebfp c\u1ea3 VPS (m\u00e1y ch\u1ee7 \u1ea3o ri\u00eang)<\/a> l\u00e0 m\u1ed9t ki\u1ec3u cloud server.<\/p>\n\n\n\n

NIST SP 800-145<\/a> m\u00f4 t\u1ea3 \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y b\u1eb1ng n\u0103m \u0111\u1eb7c t\u00ednh: t\u1ef1 ph\u1ee5c v\u1ee5 theo nhu c\u1ea7u, truy c\u1eadp qua m\u1ea1ng, g\u1ed9p t\u00e0i nguy\u00ean, co gi\u00e3n nhanh v\u00e0 \u0111o l\u01b0\u1eddng m\u1ee9c d\u00f9ng. Cloud server l\u00e0 th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n c\u1ee7a \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y<\/a> \u1edf m\u00f4 h\u00ecnh IaaS: b\u1ea1n thu\u00ea CPU, RAM, \u1ed5 \u0111\u0129a, m\u1ea1ng v\u00e0 t\u1ef1 c\u00e0i h\u1ec7 \u0111i\u1ec1u h\u00e0nh, \u1ee9ng d\u1ee5ng.<\/p>\n\n\n\n

Cloud server ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n\n\n

Cloud server ch\u1ea1y m\u00e1y \u1ea3o tr\u00ean m\u1ed9t c\u1ee5m m\u00e1y ch\u1ee7, c\u00f2n \u1ed5 \u0111\u0129a c\u1ee7a m\u00e1y \u1ea3o \u0111\u1eb7t tr\u00ean h\u1ec7 l\u01b0u tr\u1eef d\u00f9ng chung nh\u01b0 Ceph ho\u1eb7c SAN, kh\u00f4ng n\u1eb1m tr\u00ean m\u00e1y \u0111ang ch\u1ea1y n\u00f3. Hypervisor nh\u01b0 KVM gi\u1eef c\u00e1c m\u00e1y \u1ea3o c\u00f4 l\u1eadp v\u1edbi nhau. M\u00e1y n\u00e0o h\u1ecfng th\u00ec m\u00e1y \u1ea3o \u0111\u01b0\u1ee3c b\u1eadt l\u1ea1i \u1edf m\u00e1y kh\u00e1c c\u00f2n tr\u1ed1ng, d\u1eef li\u1ec7u tr\u00ean \u0111\u0129a v\u1eabn nguy\u00ean.<\/p>\n\n\n\n

\"S\u01a1<\/figure>\n\n\n\n

T\u1ea1o m\u00e1y v\u00e0 \u0111\u1ed5i c\u1ea5u h\u00ecnh \u0111\u1ec1u l\u00e0m qua c\u1ed5ng qu\u1ea3n l\u00fd ho\u1eb7c API, kh\u00f4ng c\u1ea7n k\u1ef9 thu\u1eadt vi\u00ean l\u1eafp m\u00e1y: t\u0103ng gi\u1ea3m vCPU, RAM, \u1ed5 \u0111\u0129a ho\u1eb7c nh\u00e2n b\u1ea3n m\u00e1y trong v\u00e0i ph\u00fat; m\u1ed9t s\u1ed1 thay \u0111\u1ed5i c\u1ea7n kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y \u1ea3o.<\/p>\n\n\n\n

HA kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 “kh\u00f4ng bao gi\u1edd gi\u00e1n \u0111o\u1ea1n”. Theo t\u00e0i li\u1ec7u High Availability c\u1ee7a Proxmox VE<\/a>, c\u1ee5m HA c\u1ea7n \u00edt nh\u1ea5t ba m\u00e1y \u0111\u1ec3 c\u00f3 quorum \u1ed5n \u0111\u1ecbnh v\u00e0 c\u1ea7n l\u01b0u tr\u1eef d\u00f9ng chung; m\u00e1y h\u1ecfng b\u1ecb c\u00f4 l\u1eadp r\u1ed3i d\u1ecbch v\u1ee5 m\u1edbi \u0111\u01b0\u1ee3c kh\u1edfi \u0111\u1ed9ng l\u1ea1i<\/em> tr\u00ean m\u00e1y kh\u00e1c.<\/p>\n\n\n\n

T\u00e0i li\u1ec7u Proxmox VE \u01b0\u1edbc t\u00ednh th\u1eddi gian kh\u00f4i ph\u1ee5c kho\u1ea3ng 2 ph\u00fat; d\u1eef li\u1ec7u \u0111ang n\u1eb1m trong RAM c\u1ee7a m\u00e1y \u1ea3o b\u1ecb m\u1ea5t. Khi \u0111\u1ecdc cam k\u1ebft th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng, h\u00e3y quy ra s\u1ed1 gi\u1edd: 99% t\u01b0\u01a1ng \u0111\u01b0\u01a1ng kho\u1ea3ng 3,65 ng\u00e0y ng\u1eebng m\u1ed7i n\u0103m, 99,9% kho\u1ea3ng 8,8 gi\u1edd.<\/p>\n\n\n\n

Cloud server kh\u00e1c VPS v\u00e0 m\u00e1y ch\u1ee7 v\u1eadt l\u00fd th\u1ebf n\u00e0o?<\/h2>\n\n\n\n

Cloud server kh\u00e1c VPS \u1edf ch\u1ed7 m\u00e1y \u1ea3o ch\u1ea1y tr\u00ean c\u1ee5m nhi\u1ec1u m\u00e1y ch\u1ee7 v\u00e0 l\u01b0u tr\u1eef chung, n\u00ean \u00edt ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ed9t m\u00e1y v\u1eadt l\u00fd. Cloud server kh\u00e1c m\u00e1y ch\u1ee7 v\u1eadt l\u00fd \u1edf ch\u1ed7 b\u1ea1n thu\u00ea m\u1ed9t ph\u1ea7n t\u00e0i nguy\u00ean \u0111\u00e3 \u1ea3o ho\u00e1, \u0111\u1ed5i c\u1ea5u h\u00ecnh nhanh, c\u00f2n m\u00e1y ch\u1ee7 v\u1eadt l\u00fd cho to\u00e0n b\u1ed9 ph\u1ea7n c\u1ee9ng nh\u01b0ng n\u00e2ng c\u1ea5p ch\u1eadm h\u01a1n.<\/p>\n\n\n\n

Ti\u00eau ch\u00ed<\/th>VPS<\/th>Cloud Server \/ Cloud VPS<\/th>M\u00e1y ch\u1ee7 ri\u00eang (dedicated)<\/th><\/tr><\/thead>
B\u1ea3n ch\u1ea5t<\/td>M\u00e1y \u1ea3o tr\u00ean m\u1ed9t m\u00e1y ch\u1ee7 v\u1eadt l\u00fd<\/td>M\u00e1y \u1ea3o tr\u00ean c\u1ee5m m\u00e1y ch\u1ee7 v\u00e0 kho l\u01b0u tr\u1eef chung<\/td>Nguy\u00ean m\u1ed9t m\u00e1y ch\u1ee7 v\u1eadt l\u00fd thu\u00ea tr\u1ecdn<\/td><\/tr>
Quy\u1ec1n qu\u1ea3n tr\u1ecb<\/td>Root<\/td>Root<\/td>Root, ch\u1ecdn c\u1ea3 ph\u1ea7n c\u1ee9ng<\/td><\/tr>
M\u1edf r\u1ed9ng<\/td>N\u00e2ng g\u00f3i, th\u01b0\u1eddng c\u1ea7n kh\u1edfi \u0111\u1ed9ng l\u1ea1i<\/td>\u0110\u1ed5i c\u1ea5u h\u00ecnh nhanh, th\u00eam m\u00e1y qua b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ho\u1eb7c API<\/td>N\u00e2ng c\u1ea5p ph\u1ea7n c\u1ee9ng ho\u1eb7c th\u00eam m\u00e1y<\/td><\/tr>
Khi ph\u1ea7n c\u1ee9ng l\u1ed7i<\/td>VPS b\u1ecb \u1ea3nh h\u01b0\u1edfng n\u1ebfu kh\u00f4ng c\u00f3 d\u1ef1 ph\u00f2ng<\/td>Th\u01b0\u1eddng kh\u1edfi \u0111\u1ed9ng l\u1ea1i tr\u00ean m\u00e1y kh\u00e1c (tu\u1ef3 nh\u00e0 cung c\u1ea5p)<\/td>M\u00e1y ch\u1ee7 b\u1ecb \u1ea3nh h\u01b0\u1edfng n\u1ebfu kh\u00f4ng c\u00f3 d\u1ef1 ph\u00f2ng<\/td><\/tr>
Ai v\u1eadn h\u00e0nh h\u1ec7 \u0111i\u1ec1u h\u00e0nh<\/td>B\u1ea1n (ho\u1eb7c managed)<\/td>B\u1ea1n (ho\u1eb7c managed)<\/td>B\u1ea1n (ho\u1eb7c managed)<\/td><\/tr><\/tbody><\/table>
So s\u00e1nh theo ki\u1ebfn tr\u00fac ph\u1ed5 bi\u1ebfn; m\u1ee5c “tu\u1ef3 nh\u00e0 cung c\u1ea5p” c\u1ea7n \u0111\u1ed1i chi\u1ebfu m\u00f4 t\u1ea3 t\u1eebng g\u00f3i. C\u1eadp nh\u1eadt 21\/10\/2026.<\/figcaption><\/figure>\n\n\n\n

V\u00ec AWS x\u1ebfp c\u1ea3 VPS l\u00e0 m\u1ed9t ki\u1ec3u cloud server, hai t\u00ean g\u1ecdi hay b\u1ecb d\u00f9ng l\u1eabn. Khi thu\u00ea, h\u00e3y h\u1ecfi m\u00e1y \u1ea3o ch\u1ea1y tr\u00ean m\u1ed9t m\u00e1y hay m\u1ed9t c\u1ee5m, v\u00e0 c\u00f3 HA kh\u00f4ng. Xem th\u00eam Cloud VPS kh\u00e1c VPS truy\u1ec1n th\u1ed1ng<\/a>, dedicated server l\u00e0 g\u00ec<\/a> v\u00e0 c\u00e1c lo\u1ea1i m\u00e1y ch\u1ee7<\/a>.<\/p>\n\n\n\n

Public cloud server v\u00e0 private cloud server kh\u00e1c nhau ra sao?<\/h2>\n\n\n\n

Public cloud server ch\u1ea1y tr\u00ean h\u1ea1 t\u1ea7ng \u0111\u00e1m m\u00e2y d\u00f9ng chung c\u1ee7a nh\u00e0 cung c\u1ea5p: t\u1ea1o trong v\u00e0i ph\u00fat, tr\u1ea3 theo m\u1ee9c d\u00f9ng, h\u1ee3p ph\u1ea7n l\u1edbn website v\u00e0 \u1ee9ng d\u1ee5ng. Private cloud server ch\u1ea1y tr\u00ean h\u1ea1 t\u1ea7ng ch\u1ec9 ph\u1ee5c v\u1ee5 m\u1ed9t t\u1ed5 ch\u1ee9c, d\u00f9ng khi c\u1ea7n c\u00f4 l\u1eadp d\u1eef li\u1ec7u, tu\u00e2n th\u1ee7 ho\u1eb7c ph\u1ea7n c\u1ee9ng ri\u00eang.<\/p>\n\n\n\n

Hybrid n\u1ed1i hai lo\u1ea1i, v\u00ed d\u1ee5 c\u01a1 s\u1edf d\u1eef li\u1ec7u \u1edf private cloud, web \u1edf public cloud. Chi ti\u1ebft t\u1ea1i private cloud l\u00e0 g\u00ec<\/a>.<\/p>\n\n\n\n

Cloud server d\u00f9ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/h2>\n\n\n\n

Cloud server d\u00f9ng \u0111\u1ec3 ch\u1ea1y website, \u1ee9ng d\u1ee5ng web, API, c\u01a1 s\u1edf d\u1eef li\u1ec7u, c\u00f4ng c\u1ee5 t\u1ef1 \u0111\u1ed9ng ho\u00e1 nh\u01b0 n8n hay AI Agent, m\u00f4i tr\u01b0\u1eddng th\u1eed nghi\u1ec7m v\u00e0 m\u00e1y d\u1ef1 ph\u00f2ng khi h\u1ec7 th\u1ed1ng ch\u00ednh g\u1eb7p s\u1ef1 c\u1ed1. L\u1ee3i th\u1ebf l\u00e0 t\u1ea1o m\u00e1y nhanh v\u00e0 \u0111\u1ed5i c\u1ea5u h\u00ecnh theo t\u1ea3i th\u1ef1c t\u1ebf.<\/p>\n\n\n\n

\"Ba<\/figure>\n\n\n\n
Nhu c\u1ea7u<\/th>Cloud server gi\u00fap g\u00ec<\/th>L\u01b0u \u00fd<\/th><\/tr><\/thead>
Website, c\u1eeda h\u00e0ng online c\u00f3 m\u00f9a cao \u0111i\u1ec3m<\/td>T\u0103ng vCPU\/RAM tr\u01b0\u1edbc \u0111\u1ee3t khuy\u1ebfn m\u00e3i, gi\u1ea3m l\u1ea1i sau \u0111\u00f3<\/td>Ki\u1ec3m tra vi\u1ec7c \u0111\u1ed5i c\u1ea5u h\u00ecnh c\u00f3 c\u1ea7n kh\u1edfi \u0111\u1ed9ng l\u1ea1i kh\u00f4ng<\/td><\/tr>
\u1ee8ng d\u1ee5ng web, API, app di \u0111\u1ed9ng<\/td>T\u00e1ch web, database, b\u1ed9 nh\u1edb \u0111\u1ec7m ra nhi\u1ec1u m\u00e1y, th\u00eam m\u00e1y khi t\u1ea3i t\u0103ng (t\u1ef1 \u0111\u1ed9ng n\u1ebfu n\u1ec1n t\u1ea3ng c\u00f3 autoscaling)<\/td>C\u1ea7n c\u00e2n b\u1eb1ng t\u1ea3i v\u00e0 \u1ee9ng d\u1ee5ng ch\u1ea1y \u0111\u01b0\u1ee3c tr\u00ean nhi\u1ec1u m\u00e1y<\/td><\/tr>
Dev\/test, staging<\/td>T\u1ea1o m\u00e1y t\u1eeb \u1ea3nh m\u1eabu, th\u1eed xong th\u00ec xo\u00e1<\/td>M\u00e1y qu\u00ean xo\u00e1 v\u1eabn b\u1ecb t\u00ednh ph\u00ed<\/td><\/tr>
Ph\u1ee5c h\u1ed3i sau s\u1ef1 c\u1ed1<\/td>Gi\u1eef b\u1ea3n snapshot<\/a> ho\u1eb7c m\u00e1y d\u1ef1 ph\u00f2ng \u1edf trung t\u00e2m d\u1eef li\u1ec7u kh\u00e1c<\/td>Snapshot kh\u00f4ng thay \u0111\u01b0\u1ee3c b\u1ea3n sao l\u01b0u \u0111\u1eb7t \u1edf n\u01a1i kh\u00e1c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Cloud server c\u00f3 \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m g\u00ec?<\/h2>\n\n\n\n

\u01afu \u0111i\u1ec3m c\u1ee7a cloud server l\u00e0 t\u1ea1o m\u00e1y nhanh, \u0111\u1ed5i c\u1ea5u h\u00ecnh theo t\u1ea3i v\u00e0 \u00edt ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ed9t m\u00e1y v\u1eadt l\u00fd. Nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 gi\u00e1 th\u01b0\u1eddng cao h\u01a1n VPS c\u00f9ng c\u1ea5u h\u00ecnh, ho\u00e1 \u0111\u01a1n theo m\u1ee9c d\u00f9ng kh\u00f3 d\u1ef1 to\u00e1n, \u1ed5 \u0111\u0129a qua m\u1ea1ng c\u00f3 \u0111\u1ed9 tr\u1ec5 cao h\u01a1n \u1ed5 g\u1eafn trong, v\u00e0 b\u1ea1n v\u1eabn ph\u1ea3i t\u1ef1 qu\u1ea3n tr\u1ecb h\u1ec7 \u0111i\u1ec1u h\u00e0nh.<\/p>\n\n\n\n

\u01afu \u0111i\u1ec3m<\/th>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/th><\/tr><\/thead>
T\u1ea1o m\u00e1y m\u1edbi trong v\u00e0i ph\u00fat qua c\u1ed5ng qu\u1ea3n l\u00fd ho\u1eb7c API<\/td>Gi\u00e1 th\u01b0\u1eddng cao h\u01a1n VPS c\u00f9ng s\u1ed1 vCPU, RAM<\/td><\/tr>
T\u0103ng gi\u1ea3m vCPU, RAM theo t\u1ea3i m\u00e0 kh\u00f4ng ph\u1ea3i mua ph\u1ea7n c\u1ee9ng<\/td>T\u00ednh theo m\u1ee9c d\u00f9ng th\u00ec ho\u00e1 \u0111\u01a1n kh\u00f3 d\u1ef1 to\u00e1n khi m\u00e1y ch\u1ea1y 24\/7<\/td><\/tr>
\u00cdt ph\u1ee5 thu\u1ed9c m\u1ed9t m\u00e1y v\u1eadt l\u00fd khi c\u1ee5m c\u00f3 HA; nh\u00e2n b\u1ea3n, snapshot \u0111\u1ec3 th\u1eed nghi\u1ec7m<\/td>\u1ed4 \u0111\u0129a n\u1eb1m tr\u00ean l\u01b0u tr\u1eef qua m\u1ea1ng, \u0111\u1ed9 tr\u1ec5 cao h\u01a1n \u1ed5 NVMe g\u1eafn trong<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Chi ph\u00ed cloud server \u0111\u01b0\u1ee3c t\u00ednh nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n\n\n

Chi ph\u00ed cloud server \u0111\u01b0\u1ee3c t\u00ednh theo m\u1ed9t trong hai c\u00e1ch: g\u00f3i c\u1ed1 \u0111\u1ecbnh theo th\u00e1ng (gi\u1ed1ng VPS, d\u1ec5 l\u1eadp ng\u00e2n s\u00e1ch), ho\u1eb7c theo m\u1ee9c d\u00f9ng th\u1ef1c t\u1ebf t\u00ednh theo gi\u1edd hay theo gi\u00e2y. Ngo\u00e0i vCPU v\u00e0 RAM, ho\u00e1 \u0111\u01a1n th\u01b0\u1eddng c\u00f3 th\u00eam \u1ed5 \u0111\u0129a, IP c\u00f4ng khai, snapshot, sao l\u01b0u v\u00e0 b\u0103ng th\u00f4ng chi\u1ec1u ra.<\/p>\n\n\n\n

\"Bi\u1ec3u<\/figure>\n\n\n\n