Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n
Server l\u00e0 g\u00ec? L\u00e0 thu\u1eadt ng\u1eef kh\u00f4ng c\u00f2n xa l\u1ea1 \u0111\u1ed1i v\u1edbi nh\u1eefng ai th\u01b0\u1eddng xuy\u00ean l\u00e0m vi\u1ec7c v\u1edbi m\u00e1y ch\u1ee7 hay qu\u1ea3n tr\u1ecb website. M\u00e1y ch\u1ee7 gi\u1eef vai tr\u00f2 quan tr\u1ecdng, quy\u1ebft \u0111\u1ecbnh t\u1edbi \u201cs\u1ef1 s\u1ed1ng\u201d c\u1ee7a website v\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u. \u0110\u1ec3 c\u00f3 nhi\u1ec1u th\u00f4ng tin h\u1eefu \u00edch kh\u00e1c, qu\u00fd b\u1ea1n \u0111\u1ecdc theo d\u00f5i n\u1ed9i dung trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n\n\n\n
Server l\u00e0 g\u00ec?<\/p>\n\n\n\n
Server c\u00f2n c\u00f3 c\u00e1c t\u00ean g\u1ecdi kh\u00e1c l\u00e0 Server Computer, End System \u0111\u1ec1u c\u00f3 ngh\u0129a l\u00e0 m\u00e1y ch\u1ee7. \u0110\u00e2y l\u00e0 m\u1ed9t m\u00e1y t\u00ednh \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi m\u1ed9t m\u1ea1ng m\u00e1y t\u00ednh ho\u1eb7c internet, c\u00f3 IP t\u0129nh v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng x\u1eed l\u00fd cao. M\u00e1y ch\u1ee7 cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m \u0111\u1ec3 ph\u1ee5c v\u1ee5 cho c\u00e1c m\u00e1y tr\u1ea1m truy c\u1eadp \u0111\u1ec3 y\u00eau c\u1ea7u cung c\u1ea5p c\u00e1c d\u1ecbch v\u1ee5 v\u00e0 t\u00e0i nguy\u00ean.<\/p>\n\n\n\n
Kh\u00e1i ni\u1ec7m server ngh\u0129a l\u00e0 g\u00ec c\u00f2n \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 m\u1ed9t ph\u1ea7n m\u1ec1m ho\u1eb7c thi\u1ebft b\u1ecb ph\u1ea7n c\u1ee9ng ch\u1ea5p nh\u1eadn v\u00e0 ph\u1ea3n h\u1ed3i l\u1ea1i c\u00e1c y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n qua m\u1ea1ng. Thi\u1ebft b\u1ecb th\u1ef1c hi\u1ec7n y\u00eau c\u1ea7u v\u00e0 nh\u1eadn ph\u1ea3n h\u1ed3i t\u1eeb m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c coi l\u00e0 client. Tr\u00ean internet, server \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ec9 h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh nh\u1eadn file web v\u00e0 g\u1eedi t\u1eeb c\u00e1c file \u0111\u00f3 t\u1edbi client.<\/p>\n\n\n\n
Tr\u01b0\u1edbc \u0111\u00e2y, \u0111\u1ecbnh ngh\u0129a m\u00e1y ch\u1ee7 server l\u00e0 g\u00ec ch\u1ec9 \u0111\u01b0\u1ee3c hi\u1ec3u \u0111\u01a1n gi\u1ea3n l\u00e0 m\u1ed9t CPU, nh\u01b0ng c\u00f3 ch\u1ee9c n\u0103ng, c\u1ea7u h\u00ecnh, d\u00f9ng h\u1ec7 \u0111i\u1ec1u h\u00e0nh ri\u00eang,\u2026.v\u00e0 n\u00f3 c\u0169ng ch\u00ednh l\u00e0 n\u01a1i trao \u0111\u1ed5i d\u1eef li\u1ec7u, \u0111i\u1ec1u h\u00e0nh chung c\u1ee7a m\u1ea1ng m\u00e1y t\u00ednh.<\/p>\n\n\n\n
Client server l\u00e0 g\u00ec?<\/p>\n\n\n\n
Client server l\u00e0 m\u00f4 h\u00ecnh m\u1ea1ng m\u00e1y t\u00ednh g\u1ed3m c\u00f3 2 th\u00e0nh ph\u1ea7n \u0111\u00f3 l\u00e0 m\u00e1y kh\u00e1ch (client) v\u00e0 m\u00e1y ch\u1ee7 (server). Trong m\u00f4 h\u00ecnh n\u00e0y, server l\u00e0 n\u01a1i l\u01b0u tr\u1eef t\u00e0i nguy\u00ean, \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh d\u1ecbch v\u1ee5 v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c y\u00eau c\u1ea7u c\u1ee7a client. Client gi\u1eef vai tr\u00f2 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi m\u00e1y ch\u1ee7. Client g\u1ed3m m\u00e1y t\u00ednh v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed kh\u00e1c.<\/p>\n\n\n\n
Ph\u00e2n lo\u1ea1i server m\u00e1y ch\u1ee7<\/p>\n\n\n\n
Ph\u00e2n lo\u1ea1i d\u1ef1a tr\u00ean ph\u01b0\u01a1ng ph\u00e1p x\u00e2y d\u1ef1ng m\u1ed9t h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7<\/p>\n\n\n\n
C\u0103n c\u1ee9 v\u00e0o ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o ra m\u00e1y ch\u1ee7, ng\u01b0\u1eddi ta ph\u00e2n chia l\u00e0m 3 lo\u1ea1i ch\u00ednh \u0111\u00f3 ch\u00ednh l\u00e0:<\/p>\n\n\n\n
M\u00e1y ch\u1ee7 v\u1eadt l\u00fd ri\u00eang (Dedicated Server): L\u00e0 m\u00e1y ch\u1ee7 ch\u1ea1y tr\u00ean ph\u1ea7n c\u1ee9ng v\u00e0 c\u00f3 c\u00e1c thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 ri\u00eang bi\u1ec7t nh\u01b0 HDD, CPU, RAM v\u00e0 Card m\u1ea1ng. Vi\u1ec7c n\u00e2ng c\u1ea5p ho\u1eb7c thay \u0111\u1ed5i c\u1ea5u h\u00ecnh s\u1ebd \u0111\u00f2i h\u1ecfi t\u01b0\u1edbi vi\u1ec7c thay \u0111\u1ed5i ph\u1ea7n c\u1ee9ng c\u1ee7a m\u00e1y ch\u1ee7.<\/p>\n\n\n\n
M\u00e1y ch\u1ee7 \u1ea3o (VPS): L\u00e0 d\u1ea1ng m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 \u1ea3o h\u00f3a \u0111\u1ec3 chia t\u00e1ch t\u1eeb m\u1ed9t m\u00e1y ch\u1ee7 v\u1eadt l\u00fd ri\u00eang th\u00e0nh nhi\u1ec1u m\u00e1y ch\u1ee7 server kh\u00e1c nhau. M\u00e1y ch\u1ee7 \u1ea3o c\u00f3 t\u00ednh n\u0103ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 m\u00e1y ch\u1ee7 v\u1eadt l\u00fd v\u00e0 chia s\u1ebb t\u00e0i nguy\u00ean t\u1eeb m\u00e1y ch\u1ee7. Qu\u00e1 tr\u00ecnh n\u00e2ng c\u1ea5p , thay \u0111\u1ed5i c\u1ea5u h\u00ecnh c\u1ee7a m\u00e1y ch\u1ee7 r\u1ea5t \u0111\u01a1n gi\u1ea3n, b\u1ea1n c\u00f3 th\u1ec3 thay \u0111\u1ed5i tr\u1ef1c ti\u1ebfp tr\u00ean ph\u1ea7n m\u1ec1m qu\u1ea3n l\u00fd c\u1ee7a h\u1ec7 th\u1ed1ng. Tuy nhi\u00ean vi\u1ec7c thay \u0111\u1ed5i t\u00e0i nguy\u00ean c\u1ee7a m\u00e1y ch\u1ee7 \u1ea3o VPS s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0 gi\u1edbi h\u1ea1n b\u1edfi t\u00e0i nguy\u00ean c\u1ee7a m\u00e1y ch\u1ee7 v\u1eadt l\u00fd.<\/p>\n\n\n\n
M\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y (Cloud Server): L\u00e0 m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p t\u1eeb nhi\u1ec1u m\u00e1y ch\u1ee7 v\u1eadt l\u00fd kh\u00e1c nhau v\u1edbi h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef SAN v\u1edbi t\u1ed1c \u0111\u1ed9 truy xu\u1ea5t v\u01b0\u1ee3t tr\u1ed9i, \u0111i\u1ec1u n\u00e0y gi\u00fap cho m\u00e1y ch\u1ee7 ho\u1ea1t \u0111\u1ed9ng nhanh, \u1ed5n \u0111\u1ecbnh v\u00e0 h\u1ea1n ch\u1ebf \u0111\u01b0\u1ee3c t\u00ecnh tr\u1ea1ng downtime. M\u00e1y ch\u1ee7 Cloud \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean n\u1ec1n t\u1ea3ng c\u00f4ng ngh\u1ec7 \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y n\u00ean d\u1ec5 c\u00e0ng n\u00e2ng c\u1ea5p t\u1eebng ph\u1ea7n c\u1ee7a thi\u1ebft b\u1ecb trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng.<\/p>\n\n\n\n
Ph\u00e2n lo\u1ea1i theo ch\u1ee9c n\u0103ng<\/p>\n\n\n\n
M\u00e1y ch\u1ee7 web (web server): \u0110\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m chuy\u00ean d\u1ee5ng, ph\u1ee5c v\u1ee5 cho c\u00f4ng vi\u1ec7c qu\u1ea3n tr\u1ecb v\u00e0 l\u01b0u tr\u1eef website.<\/p>\n\n\n\n
M\u00e1y ch\u1ee7 email ( mail server): M\u00e1y ch\u1ee7 n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 h\u1ed7 tr\u1ee3 vi\u1ec7c g\u1eedi v\u00e0 nh\u1eadn email. N\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng \u1ee9ng d\u1ee5ng email (email client) tr\u00ean m\u00e1y t\u00ednh th\u00ec ph\u1ea7n m\u1ec1m n\u00e0y s\u1ebd k\u1ebft n\u1ed1i v\u1edbi m\u00e1y ch\u1ee7 IMAP ho\u1eb7c m\u00e1y POP \u0111\u1ec3 t\u1ea3i th\u01b0 m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n v\u00e0 m\u00e1y ch\u1ee7 SMTP s\u1ebd g\u1eedi th\u01b0 tr\u1edf l\u1ea1i th\u00f4ng qua m\u00e1y ch\u1ee7 email.<\/p>\n\n\n\n
M\u00e1y ch\u1ee7 FPT (FTP server): H\u1ed7 tr\u1ee3 vi\u1ec7c di chuy\u1ec3n c\u00e1c t\u1ec7p th\u00f4ng qua giao th\u1ee9c truy\u1ec1n t\u1ea3i t\u1eadp tin. C\u00e1c m\u00e1y ch\u1ee7 FTP c\u00f3 th\u1ec3 truy c\u1eadp t\u1eeb xa th\u00f4ng qua ph\u1ea7n m\u1ec1m FTP chuy\u00ean d\u1ee5ng.<\/p>\n\n\n\n
M\u00e1y ch\u1ee7 c\u01a1 s\u1edf d\u1eef li\u1ec7u (Database server): \u0110\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m qu\u1ea3n tr\u1ecb d\u1eef li\u1ec7u, gi\u00fap cho vi\u1ec7c qu\u1ea3n tr\u1ecb, x\u1eed l\u00fd v\u00e0 truy xu\u1ea5t d\u1eef li\u1ec7u. H\u1ec7 qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u00f3 l\u00e0 MySQL,\u2026<\/p>\n\n\n\n
M\u00e1y ch\u1ee7 DNS (DNS server): C\u00f2n \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi t\u00ean g\u1ecdi h\u1ec7 th\u1ed1ng ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n. M\u00e1y ch\u1ee7 DNS c\u00f3 nhi\u1ec7m v\u1ee5 l\u00e0 ph\u00e2n gi\u1ea3i \u0111\u1ecba ch\u1ec9 IP th\u00e0nh t\u00ean mi\u1ec1n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n\n\n\n
M\u00e1y ch\u1ee7 DHCP (DHCP server): Th\u1ef1c hi\u1ec7n nhi\u1ec7m v\u1ee5 ph\u00e1t \u0111\u1ecba ch\u1ec9 IP cho c\u00e1c thi\u1ebft b\u1ecb tham gia v\u00e0o m\u1ea1ng.<\/p>\n\n\n\n
Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y ch\u1ee7 server<\/p>\n\n\n\n
C\u00e1c m\u00e1y ch\u1ee7 s\u1ebd ho\u1ea1t \u0111\u1ed9ng theo m\u00f4 h\u00ecnh client-server, server l\u00e0 c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh m\u00e1y t\u00ednh \u0111ang ch\u1ea1y \u0111\u1ec3 ph\u1ee5c v\u1ee5 cho c\u00e1c y\u00eau c\u1ea7u t\u1eeb ch\u01b0\u01a1ng tr\u00ecnh kh\u00e1c, c\u00e1c client (kh\u00e1ch h\u00e0ng). M\u00e1y ch\u1ee7 s\u1ebd th\u1ef1c hi\u1ec7n m\u1ed9t s\u1ed1 nhi\u1ec7m v\u1ee5 thay m\u1eb7t cho kh\u00e1ch, kh\u00e1ch h\u00e0ng s\u1ebd \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi m\u00e1y ch\u1ee7 th\u00f4ng qua m\u1ea1ng nh\u01b0ng c\u0169ng c\u00f3 th\u1ec3 ch\u1ea1y tr\u00ean c\u00f9ng m\u1ed9t m\u00e1y t\u00ednh \u2013 computer. Trong h\u1ec7 th\u1ed1ng h\u1ea1 t\u1ea7ng c\u1ee7a m\u1ea1ng Internet Protocol (IP), m\u1ed9t m\u00e1y ch\u1ee7 l\u00e0 m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng gi\u1ed1ng nh\u01b0 m\u1ed9t socket listener (giao th\u1ee9c nghe).<\/p>\n\n\n\n
M\u00e1y ch\u1ee7 th\u01b0\u1eddng s\u1ebd cung c\u1ea5p c\u00e1c d\u1ecbch v\u1ee5 thi\u1ebft y\u1ebfu qua m\u1ea1ng ho\u1eb7c l\u00e0 \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng c\u00e1 nh\u00e2n c\u1ee7a m\u1ed9t t\u1ed5 ch\u1ee9c ho\u1eb7c cho ng\u01b0\u1eddi d\u00f9ng th\u00f4ng qua m\u1ea1ng internet. Computer server \u0111i\u1ec3n h\u00ecnh l\u00e0 m\u00e1y ch\u1ee7 c\u01a1 s\u1edf d\u1eef li\u1ec7u (database server), m\u00e1y ch\u1ee7 t\u1eadp tin (file server), m\u00e1y ch\u1ee7 in (print server), m\u00e1y ch\u1ee7 mail (mail server), m\u00e1y ch\u1ee7 \u1ee9ng d\u1ee5ng (application server), m\u00e1y ch\u1ee7 web (web server), m\u00e1y ch\u1ee7 game (game server), ho\u1eb7c m\u1ed9t s\u1ed1 lo\u1ea1i kh\u00e1c c\u1ee7a m\u00e1y ch\u1ee7.<\/p>\n\n\n\n
Nhi\u1ec1u h\u1ec7 th\u1ed1ng l\u1ef1a ch\u1ecdn v\u00e0 s\u1eed d\u1ee5ng m\u00f4 h\u00ecnh n\u00e0y bao g\u1ed3m c\u1ea3 c\u00e1c trang web v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 email. M\u1ed9t m\u00f4 h\u00ecnh thay th\u1ebf, m\u1ea1ng peer-to-peer s\u1ebd cho ph\u00e9p t\u1ea5t c\u1ea3 c\u00e1c m\u00e1y t\u00ednh \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t trong hai (client ho\u1eb7c server) khi c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n
Vai tr\u00f2 c\u1ee7a m\u00e1y ch\u1ee7 server<\/p>\n\n\n\n
Vai tr\u00f2 ch\u00ednh c\u1ee7a server l\u00e0 l\u01b0u tr\u1eef, cung c\u1ea5p, x\u1eed l\u00fd d\u1eef li\u1ec7u r\u1ed3i chuy\u1ec3n \u0111\u1ebfn c\u00e1c m\u00e1y tr\u1ea1m li\u00ean t\u1ee5c 24\/7 cho ng\u01b0\u1eddi d\u00f9ng hay m\u1ed9t t\u1ed5 ch\u1ee9c n\u00e0o \u0111\u00f3 qua m\u1ea1ng LAN ho\u1eb7c internet. M\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf<\/a> \u0111\u1ec3 c\u00f3 th\u1ec3 ch\u1ea1y li\u00ean t\u1ee5c trong th\u1eddi gian d\u00e0i v\u00e0 ch\u1ec9 t\u1eaft \u0111i khi c\u00f3 s\u1ef1 c\u1ed1 c\u1ea7n ph\u1ea3i b\u1ea3o tr\u00ec.<\/p>\n\n\n\n \u0110\u1ed1i v\u1edbi c\u00e1c doanh nghi\u1ec7p th\u00ec m\u00e1y ch\u1ee7 l\u00e0 b\u1ed9 ph\u1eadn quan tr\u1ecdng gi\u00fap cho vi\u1ec7c l\u01b0u tr\u1eef th\u00f4ng tin, qu\u1ea3n l\u00fd v\u00e0 v\u1eadn h\u00e0nh c\u00e1c ph\u1ea7n m\u1ec1m c\u1ee7a doanh nghi\u1ec7p.<\/p>\n\n\n\n V\u1edbi c\u00e1c ng\u01b0\u1eddi d\u00f9ng \u0111\u01a1n l\u1ebb, server \u0111\u00f3ng vai tr\u00f2 l\u00e0 b\u1ed9 ph\u1eadn l\u01b0u tr\u1eef, v\u1eadn h\u00e0nh t\u1eeb nh\u1eefng d\u1eef li\u1ec7u c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n L\u1ee3i \u00edch khi s\u1eed d\u1ee5ng m\u00e1y t\u00ednh server<\/p>\n\n\n\n M\u00e1y ch\u1ee7 \u0111em t\u1edbi cho ng\u01b0\u1eddi d\u00f9ng nhi\u1ec1u l\u1ee3i \u00edch, trong \u0111\u00f3 ph\u1ea3i k\u1ec3 \u0111\u1ebfn nh\u01b0:<\/p>\n\n\n\n D\u1ec5 d\u00e0ng t\u00ecm ki\u1ebfm d\u1eef li\u1ec7u: D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd t\u1eadp trung trong m\u00e1y ch\u1ee7, b\u1ea1n d\u1ec5 d\u00e0ng truy c\u1eadp v\u00e0o mail, d\u1eef li\u1ec7u hay c\u00e1c t\u1eadp tin \u0111\u1ec3 t\u00ecm ki\u1ebfm d\u00f9 b\u1ea1n kh\u00f4ng \u1edf c\u00f4ng ty.<\/p>\n\n\n\n \u0110\u1ed3ng b\u1ed9 h\u00f3a, chia s\u1ebb quy\u1ec1n truy c\u1eadp, s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb v\u00e0 t\u00e0i nguy\u00ean (m\u00e1y in, m\u00e1y fax,\u2026): Cho t\u1ea5t c\u1ea3 nh\u00e2n vi\u00ean, nh\u00e2n vi\u00ean c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ecdi t\u00e0i nguy\u00ean th\u00f4ng tin tr\u00ean m\u00e1y ch\u1ee7.<\/p>\n\n\n\n Kh\u1ea3 n\u0103ng b\u1ea3o m\u1eadt th\u00f4ng tin tuy\u1ec7t \u0111\u1ed1i: M\u1ed7i m\u1ed9t doanh nghi\u1ec7p, t\u1ed5 ch\u1ee9c, c\u00f4ng ty \u0111\u1ec1u c\u00f3 m\u1ed9t server ri\u00eang n\u00ean kh\u1ea3 n\u0103ng b\u1ea3o m\u1eadt th\u00f4ng tin g\u1ea7n nh\u01b0 l\u00e0 tuy\u1ec7t \u0111\u1ed1i.<\/p>\n\n\n\n T\u0103ng kh\u1ea3 n\u0103ng x\u1eed l\u00fd: Kh\u1ea3 n\u0103ng x\u1eed l\u00fd m\u1ea1nh m\u1ebd trong kho\u1ea3ng th\u1eddi gian cao \u0111i\u1ec3m, \u0111\u00e1p \u1ee9ng t\u1ed1t v\u1ec1 c\u00e1c nhu c\u1ea7u v\u1ec1 ngu\u1ed3n l\u1ef1c nh\u01b0 t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1eddng truy\u1ec1n cao, CPU, RAM.<\/p>\n\n\n\n So s\u00e1nh Shared Hosting, VPS, Dedicated Server v\u00e0 Cloud Server<\/p>\n\n\n\n \u0110\u1ec3 gi\u00fap ng\u01b0\u1eddi d\u00f9ng l\u1ef1a ch\u1ecdn m\u00e1y ch\u1ee7 m\u1ea1ng ph\u00f9 h\u1ee3p, ch\u00fang t\u00f4i s\u1ebd so s\u00e1nh Shared Hosting, VPS, Dedicated Server v\u00e0 Cloud Server. C\u1ee5 th\u1ec3:<\/p>\n\n\n\n Shared Hosting VPS Dedicated Server Cloud Server<\/p>\n\n\n\n \u0110\u1ecbnh ngh\u0129a L\u00e0 d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef web, ch\u1ee9a nhi\u1ec1u trang web tr\u00ean m\u1ed9t m\u00e1y ch\u1ee7 v\u00e0 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi internet. \u0110\u01b0\u1ee3c t\u1ea1o th\u00e0nh b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 \u1ea3o h\u00f3a, chia t\u00e1ch t\u1eeb b\u1ed9 ph\u1eadn c\u1ee7a m\u00e1y ch\u1ee7 ri\u00eang v\u1eadt l\u00fd th\u00e0nh nhi\u1ec1u m\u00e1y ch\u1ee7 \u1ea3o kh\u00e1c nhau L\u00e0 m\u00e1y ch\u1ee7 v\u1eadt l\u00fd, ch\u1ea1y tr\u00ean ph\u1ea7n c\u1ee9ng v\u00e0 c\u00e1c thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 ri\u00eang bi\u1ec7t nh\u01b0 HDD, RAM,\u2026 L\u00e0 vi\u1ec7c \u1ea3o h\u00f3a c\u00e1c t\u00e0i nguy\u00ean t\u00ednh to\u00e1n v\u00e0 \u1ee9ng d\u1ee5ng, cung c\u1ea5p cho b\u1ea1n kh\u1ea3 n\u0103ng kh\u00f4ng gi\u1edbi h\u1ea1n \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp l\u1edbn.<\/p>\n\n\n\n T\u00e0i nguy\u00ean Chia s\u1ebb t\u00e0i nguy\u00ean d\u1ef1a tr\u00ean m\u1ed9t m\u00e1y ch\u1ee7 v\u1eadt l\u00fd cho nhi\u1ec1u t\u00e0i kho\u1ea3n shared hosting. D\u1ec5 b\u1ecb gi\u1edbi h\u1ea1n v\u1ec1 t\u00e0i nguy\u00ean v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o m\u1eadt th\u1ea5p. VPS c\u00f3 t\u00ednh n\u0103ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 m\u1ed9t server ri\u00eang nh\u01b0ng th\u1ef1c t\u1ebf n\u00f3 v\u1eabn chia s\u1ebb t\u00e0i nguy\u00ean t\u1eeb m\u00e1y ch\u1ee7 v\u1eadt l\u00fd g\u1ed1c. T\u00e0i nguy\u00ean c\u1ee7a m\u00e1y ch\u1ee7 Dedicated Server \u0111\u1ed9c l\u1eadp, ri\u00eang bi\u1ec7t v\u00e0 kh\u00f4ng chia s\u1ebb v\u1edbi b\u1ea5t k\u1ef3 ai \u0110\u01b0\u1ee3c \u1ea3o h\u00f3a th\u00f4ng qua \u0111\u01b0\u1eddng truy\u1ec1n internet. T\u00ednh s\u1eb5n s\u00e0ng cao, s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean t\u00ednh to\u00e1n \u0111\u1ed9ng.<\/p>\n\n\n\n Hi\u1ec7u n\u0103ng \u2013 \u0110\u1ee7 cho c\u00e1 nh\u00e2n v\u00e0 doanh nghi\u1ec7p<\/p>\n\n\n\n \u2013 Kh\u00f4ng c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o c\u00e1c t\u00e0i nguy\u00ean quan tr\u1ecdng, s\u00e2u v\u00e0o h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n \u2013 B\u1ecb h\u1ea1n ch\u1ebf khi web c\u00f3 l\u01b0\u1ee3ng truy c\u1eadp l\u1edbn<\/p>\n\n\n\n \u2013 Hi\u1ec7u su\u1ea5t c\u1ee7a web c\u00f3 \u1ea3nh h\u01b0\u1edfng t\u1edbi c\u00e1c trang web kh\u00e1c tr\u00ean c\u00f9ng m\u1ed9t m\u00e1y ch\u1ee7.<\/p>\n\n\n\n \u2013 \u0110\u01b0\u1ee3c kh\u1edfi t\u1ea1o v\u00e0 ch\u1ea1y d\u1ef1a tr\u00ean m\u1ed9t m\u00e1y ch\u1ee7 v\u1eadt l\u00fd.<\/p>\n\n\n\n \u2013 Server c\u00f3 th\u1ec3 b\u1ecb treo v\u00e0o kho\u1ea3ng th\u1eddi gian cao \u0111i\u1ec3m, khi\u1ebfn VPS ng\u01b0ng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n \u2013 Hi\u1ec7u n\u0103ng l\u00e0m vi\u1ec7c cao, an to\u00e0n, email \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n \u2013 Vi\u1ec7c tri\u1ec3n khai backup s\u1ebd t\u1ed1n nhi\u1ec1u chi ph\u00ed.<\/p>\n\n\n\n \u2013 Data \u0111\u01b0\u1ee3c t\u1eadp trung tr\u00ean h\u1ec7 th\u1ed1ng cloud storage, I\/O ph\u00e2n chia \u0111\u1ec1u tr\u00ean c\u00e1c server.<\/p>\n\n\n\n \u2013 Data \u0111\u01b0\u1ee3c backup, s\u1eb5n s\u00e0ng ph\u1ee5c h\u1ed3i.<\/p>\n\n\n\n \u2013 Cloud server v\u1eabn ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng d\u00f9 m\u00e1y ch\u1ee7 v\u1eadt l\u00fd b\u1ecb l\u1ed7i nh\u1edd c\u01a1 ch\u1ebf \u0111\u1ed3ng h\u1ed9 d\u1eef li\u1ec7u.<\/p>\n\n\n\n Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng \u2013 H\u1ea1n ch\u1ebf do chia s\u1ebb t\u00e0i nguy\u00ean v\u1edbi nhi\u1ec1u shared hosting kh\u00e1c.<\/p>\n\n\n\n \u2013 T\u00e0i kho\u1ea3n s\u1ebd b\u1ecb kh\u00f3a n\u1ebfu nh\u01b0 m\u00e1y ch\u1ee7 b\u1ecb qu\u00e1 t\u1ea3i.<\/p>\n\n\n\n \u2013 C\u00f3 th\u1ec3 c\u1ea5p l\u1ea1i t\u00e0i nguy\u00ean d\u1ef1a tr\u00ean l\u01b0\u1ee3ng t\u00e0i nguy\u00ean c\u00f2n l\u1ea1i c\u1ee7a m\u00e1y ch\u1ee7 v\u1eadt l\u00fd.<\/p>\n\n\n\n \u2013 N\u1ebfu n\u00e2ng c\u1ea5p qu\u00e1 nhi\u1ec1u th\u00ec server v\u1eadt l\u00fd s\u1ebd kh\u00f4ng \u0111\u1ee7 t\u00e0i nguy\u00ean.<\/p>\n\n\n\n \u2013 N\u00e2ng c\u1ea5p ph\u1ee9c t\u1ea1p v\u00ec ph\u1ea3i mua c\u00e1c thi\u1ebft b\u1ecb ph\u1ea7n c\u1ee9ng chuy\u00ean d\u1ee5ng.<\/p>\n\n\n\n \u2013 Server c\u00f3 th\u1ec3 b\u1ecb downtime trong qu\u00e1 tr\u00ecnh n\u00e2ng c\u1ea5p.<\/p>\n\n\n\n Kh\u1ea3 n\u0103ng n\u00e2ng c\u1ea5p v\u00e0 m\u1edf r\u1ed9ng linh ho\u1ea1t khi nhu c\u1ea7u s\u1eed d\u1ee5ng thay \u0111\u1ed5i.<\/p>\n\n\n\n Qu\u1ea3n tr\u1ecb Kh\u00f4ng qu\u00e1 kh\u00f3 kh\u0103n, nh\u01b0ng \u0111\u00f2i h\u1ecfi b\u1ea1n c\u1ea7n ph\u1ea3i c\u00f3 nhi\u1ec1u ki\u1ebfn th\u1ee9c li\u00ean quan Ng\u01b0\u1eddi d\u00f9ng c\u00f3 to\u00e0n quy\u1ec1n qu\u1ea3n tr\u1ecb m\u00e1y ch\u1ee7 \u1ea3o nh\u01b0 m\u00e1y ch\u1ee7 v\u1eadt l\u00fd. Th\u1ebf nh\u01b0ng c\u0169ng \u0111\u00f2i h\u1ecfi ng\u01b0\u1eddi d\u00f9ng c\u1ea7n c\u00f3 k\u1ef9 n\u0103ng<\/a> qu\u1ea3n tr\u1ecb To\u00e0n quy\u1ec1n qu\u1ea3n tr\u1ecb m\u00e1y ch\u1ee7, c\u00f3 quy\u1ec1n c\u00e0i \u0111\u1eb7t v\u00e0 c\u1ea5u h\u00ecnh theo \u00fd mu\u1ed1n Ng\u01b0\u1eddi d\u00f9ng c\u1ea7n c\u00f3 ki\u1ebfn th\u1ee9c, k\u1ef9 n\u0103ng<\/a> qu\u1ea3n tr\u1ecb m\u00e1y ch\u1ee7 \u1ea3o.<\/p>\n\n\n\n Chi ph\u00ed \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn ti\u1ebft ki\u1ec7m nh\u1ea5t, t\u1ed5ng chi ph\u00ed b\u1ea3o tr\u00ec m\u00e1y ch\u1ee7 s\u1ebd \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5 tr\u00ean nhi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1ch h\u00e0ng. Chi ph\u00ed v\u1eeba ph\u1ea3i, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c doanh nghi\u1ec7p v\u1eeba v\u00e0 nh\u1ecf, \u0111\u00f2i h\u1ecfi s\u1ef1 an to\u00e0n cao, s\u1eed d\u1ee5ng \u0111\u1ed9c l\u1eadp Chi ph\u00ed cao h\u01a1n VPS. \u0110\u1ec3 qu\u1ea3n l\u00fd \u0111\u01b0\u1ee3c m\u00e1y ch\u1ee7, c\u1ea7n ph\u1ea3i thu\u00ea qu\u1ea3n l\u00fd, m\u00e0 gi\u00e1 thu\u00ea c\u00f3 th\u1ec3 b\u1eb1ng 1\/2 Gi\u1ea3m chi ph\u00ed l\u01b0u tr\u1eef b\u1edfi d\u00f9ng bao nhi\u00eau tr\u1ea3 b\u1ea5y nhi\u00eau. Nh\u01b0ng khi so s\u00e1nh th\u00ec m\u1ee9c gi\u00e1 v\u1eabn kh\u00e1 cao so v\u1edbi c\u00e1c doanh nghi\u1ec7p.<\/p>\n\n\n\n V\u1edbi n\u1ed9i dung trong b\u00e0i vi\u1ebft \u201cM\u00e1y ch\u1ee7 server l\u00e0 g\u00ec? Ph\u00e2n lo\u1ea1i, vai tr\u00f2 v\u00e0 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng\u201d c\u1ee7a Vietlearn.org, hy v\u1ecdng s\u1ebd gi\u00fap \u00edch b\u1ea1n. C\u0103n c\u1ee9 v\u00e0o nhu c\u1ea7u s\u1eed d\u1ee5ng v\u00e0 \u0111i\u1ec1u ki\u1ec7n t\u00e0i ch\u00ednh m\u00e0 b\u1ea1n l\u1ef1a ch\u1ecdn cho m\u00ecnh lo\u1ea1i m\u00e1y ch\u1ee7 ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n <\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":" Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn Server l\u00e0 g\u00ec? L\u00e0 thu\u1eadt ng\u1eef kh\u00f4ng c\u00f2n xa l\u1ea1 \u0111\u1ed1i v\u1edbi nh\u1eefng ai th\u01b0\u1eddng xuy\u00ean l\u00e0m vi\u1ec7c v\u1edbi m\u00e1y ch\u1ee7 hay qu\u1ea3n tr\u1ecb website. M\u00e1y ch\u1ee7 gi\u1eef vai tr\u00f2 quan tr\u1ecdng, quy\u1ebft \u0111\u1ecbnh t\u1edbi \u201cs\u1ef1 s\u1ed1ng\u201d c\u1ee7a website v\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u. \u0110\u1ec3 c\u00f3 nhi\u1ec1u th\u00f4ng tin […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[1],"tags":[],"class_list":["post-3709","post","type-post","status-publish","format-standard","hentry","category-general"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/3709","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=3709"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/3709\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=3709"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=3709"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=3709"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}