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请注意，本文编写于 1481 天前，最后修改于 742 天前，其中某些信息可能已经过时。, h& h0 r$ H% _. |6 _
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说明：在安装 Linux 系统前我们需要顾虑到电脑硬件性能，选择最小化安装非常有必要，毕竟服务器资源一定的情况下，系统只会日益臃肿慢慢开始拖慢所有服务，这些因素在我们安装系统前就应该考虑的，分析哪些是服务器必需和非必需从而尽可能的精简系统。. R ~, P) G) ^6 D2 U0 ~/ r% d
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CentOS 系统精简优化7 f+ p) k3 R0 \, [" R
删除不必要的自带软件包
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yum remove Deployment_Guide-en-US finger cups-libs cups ypbind
; {! a6 k& i" F8 k* t- [( ]9 Fyum remove bluez-libs desktop-file-utils ppp rp-pppoe wireless-tools irda-utils* |, |& m' ]& ?) ]9 m& X
yum remove sendmail* samba* talk-server finger-server bind* xinetd1 K2 O! x7 `7 H
yum remove nfs-utils nfs-utils-lib rdate fetchmail eject ksh mkbootdisk mtools) n! t$ M4 h. S7 }, F; g7 B! }/ z) i
yum remove syslinux tcsh startup-notification talk apmd rmt dump setserial portmap yp-tools
O6 M. z& p: syum groupremove "Mail Server" "Games and Entertainment" "X Window System" "X Software Development"" X) o; q ^& j2 g, h' m8 |* r8 { ?
yum groupremove "Development Libraries" "Dialup Networking Support"
& C$ j, q: D5 R9 Eyum groupremove "Games and Entertainment" "Sound and Video" "Graphics" "Editors"$ q) y% y' B0 W4 X
yum groupremove "Text-based Internet" "GNOME Desktop Environment" "GNOME Software Development"
! h- m: ^2 G" `6 s! Q升级 centos 系统
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yum update #更新系统
/ ?4 U, A- R! a9 g3 hyum clean all #清理全部缓存文件
, k$ P% e# V- l- }禁用 seLinux& i; J# Y$ ` R' m. W% X" t
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sestatus #先执行看seLinux状态，如果不是disabled，就需要执行下面步骤，否则不要执行 B5 ^2 g8 [% l2 Y0 K1 p" d
vi /etc/selinux/config: A6 z( R5 U" |" c1 j
SELINUX=disabled #禁用SeLinux
' ~. M) Q, a d! z) u p8 |& dSELINUX=enforcing #使用SeLinux c" \: H6 X8 t/ k- O% w' @
禁止 IPV6（执行后需要 reboot 重启）: |. T- l2 O+ Q) b8 E; N8 Q
+ ^3 L6 i3 t# r/ r, uvi /etc/modprobe.conf #打开文件，把下面两行加到最后# ]7 \8 i1 y# @: H7 R; U8 c2 L. ?
alias net-pf-10 off
1 g; Q' Q- p s8 d) k! g3 falias ipv6 off; W6 E* z7 ` I& X* J; y
初始化防火墙 Y: o: F3 W9 j9 v6 U7 z% |
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touch /etc/sysconfig/iptables/ g5 C( h3 i+ r! I; }
iptables -F+ u& `; S0 o+ Q
iptables -X
! a1 w) p" n. V3 O2 ^0 ?5 diptables -Z9 q0 v0 K- p. x$ o2 ?0 w* _
service iptables save6 M/ t6 f. v! I! v+ ?3 x
service iptables restart
f, l! m+ c) D5 T3 M禁止无用服务! W' J$ @% h H; i) I
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#! /bin/bash6 j" ]# {9 o2 Q7 M& k1 o6 t2 I
service acpid off
$ b I8 Y" g4 iservice atd stop3 Q Y$ x! V. [" g% U
service auditd stop
4 _ @& O3 i$ U) sservice avahi-daemon stop7 o; x' b* o2 r
service avahi-dnsconfd stop r6 V" }# k+ L5 m$ L- G
service bluetooth stop) g; `, J8 W5 a+ ~* {
service conman stop
: Z. R9 G% c7 ^% \9 f" { l5 f1 ^service cpuspeed stop) m6 `5 i6 e5 Q
service cups stop: j; V' \8 m0 P0 W3 h0 \4 Z
service dnsmasq stop9 a: ~6 o A/ {8 E5 L. H
service dund stop
% G# ~4 }# r3 t! d* @5 f: _service firstboot stop# q. E, j& M+ Q, Q" S8 T( E4 e6 J
service hidd stop
" T* w. C' j2 f' G! S9 U) a: A5 m1 Nservice httpd stop
1 w, R/ ~8 q* h/ Z9 ?, l) o5 s- y' dservice ibmasm stop
) e' s- H) L, d4 H( c b, Xservice ip6tables stop3 d, l9 p& n( x5 W5 N' O, J
service irda stop
. |! q. p$ A5 a' \* d7 o' E Hservice kdump stop: c& K6 Q3 D' P2 C$ u U1 E
service lm_sensors stop
; D X5 q; t. K; H. H# ^5 \service mcstrans stop
3 Q8 Y+ R4 W- g( g$ y) zservice messagebus stop# e* R3 z3 @- p/ n
service microcode_ctl stop
- o4 Y7 I4 v( x/ d3 V1 n: F0 N; eservice netconsole stop
* x1 K4 J" m1 T/ d. ?service netfs stop: m) @8 H+ Z ~5 j5 e a
service netplugd stop
K. `3 c2 U* c' Z6 X# S8 Pservice nfs stop. P. c" Z: ]% b' Z" e/ n1 T
service nfslock stop
. I. i- b! N5 n, x) w( x! hservice nscd stop- z9 @4 H: P: Y. g6 u
service ntpd stop5 r, v0 y5 Q' C7 D& q
service oddjobd stop0 a0 k+ W+ L# D3 g7 I' m% P
service pand stop' o& i5 |/ S% r6 y# n% G
service pcscd stop
0 v: D$ T2 j) O$ K1 a7 t) ~8 z5 yservice portmap stop9 \/ }* `, y1 [# i! a, D
service psacct stop, ^1 R3 |" z3 a' S
service rdisc stop
5 g9 G5 S5 h; y, Z" i" pservice restorecond stop
" U# ~3 n% X/ @+ d! h3 pservice rpcgssd stop4 l* N, J- O. Z! S
service rpcidmapd stop( z1 r& ~. P+ Y2 X+ p) q! V
service rpcsvcgssd stop
; u7 m/ B; @' Sservice saslauthd stop
7 }# N: r$ Y$ E" Iservice sendmail stop. g3 o+ g- ~3 \6 I
service setroubleshoot stop
" N% N1 x* r# t5 t. ^: ?. f: N; Iservice smb stop
. ^& z5 X8 R: R% C* M) W! ^service vncserver stop" m: u: _" L, k3 h/ k
service winbind stop
6 U7 k* g) b' H4 Pservice wpa_supplicant stop3 k& c3 b/ T* c0 Z$ W; T) S6 c, A' M
service xfs stop
; l9 p2 _& n3 d6 |service ypbind stop
* N& r3 b! T0 b, r( @4 c$ z( Tservice yum-updatesd stop1 u. m! t0 ?8 M4 k
chkconfig acpid off
) ^- e G1 c4 t8 cchkconfig atd off
" j( l. v; f2 z1 B2 _chkconfig auditd off
0 A* C5 X+ f3 L) ~chkconfig avahi-daemon off
4 k2 \7 Z7 D2 @2 B3 ^' Jchkconfig avahi-dnsconfd off; `0 Y+ r5 I; a& ^
chkconfig bluetooth off
: }: w. C3 x/ ` }" kchkconfig conman off
+ P6 o! x9 X1 t, F; O/ @" G6 Dchkconfig cpuspeed off R( a3 z, e: b; e8 ~( F7 X. K7 m
chkconfig cups off' M; u9 }# C D
chkconfig dnsmasq off& M) ]; }* f. N- C
chkconfig dund off
8 R- h9 X4 G! G+ @( Bchkconfig firstboot off8 I5 z6 H* a4 V- J$ e7 \" B
chkconfig hidd off
3 h9 y8 U" g& gchkconfig httpd off5 x ~) D: m% z
chkconfig ibmasm off
3 ~, \+ w) S8 E% V# r# dchkconfig ip6tables off1 E2 M* z3 |" f/ u4 `) d, m* D
chkconfig irda off2 h: q1 g8 w: r7 Y5 Y* r+ n8 ^
chkconfig kdump off
8 @6 P/ f$ _. P1 Q9 i* s8 xchkconfig lm_sensors off8 q! z4 t& T0 M8 j# a' P. x0 I
chkconfig mcstrans off
$ k; o1 ^) r% j" F. I! gchkconfig messagebus off
7 o4 t, C) T, mchkconfig microcode_ctl off
5 e Q1 z, P! Q& q3 r7 q9 kchkconfig netconsole off
, E/ R) R4 R/ M. ]5 L9 Xchkconfig netfs off
% `' G# c: ~- ]8 ?chkconfig netplugd off, |% S" L3 H, a6 O) [
chkconfig nfs off- O9 Z3 [- B5 m
chkconfig nfslock off0 D8 o# C3 s& s% W9 j% K' r
chkconfig nscd off) F- w W! ~, W; _: L) a
chkconfig ntpd off- Y1 B7 h+ Q& d; I
chkconfig oddjobd off
. t7 l7 V, _3 H5 mchkconfig pand off% P; c7 ?7 s o( c$ T3 O4 X
chkconfig pcscd off
5 e9 c1 A) i0 R0 \" _chkconfig portmap off
6 N5 s/ k% r. D+ I2 ?! ochkconfig psacct off( d2 `8 K( T9 P" \. m
chkconfig rdisc off
& C: T ]* ?! i; xchkconfig restorecond off
: v* n/ p1 I& Gchkconfig rpcgssd off
: \! h3 \4 d& k+ @7 R. Qchkconfig rpcidmapd off4 g0 _, G2 {1 x- H9 b* N1 x
chkconfig rpcsvcgssd off
- E) N" I: O+ jchkconfig saslauthd off
' Z# G" a! e( b& w- wchkconfig sendmail off
/ p# q6 s/ E# t2 e& zchkconfig setroubleshoot off
& z% S H& `, w/ t5 Fchkconfig smb off) w( ]8 Q3 g3 V% D, O
chkconfig vncserver off5 z% Q* y M; R
chkconfig winbind off; `8 q% w3 Q% m" L
chkconfig wpa_supplicant off' Q5 b, e+ G3 X# r
chkconfig xfs off( z4 W9 a* |; B, p! D- [* R5 G
chkconfig ypbind off
8 U" ]7 V2 ]+ u4 Uchkconfig yum-updatesd off
3 |, |2 m3 O, U* q这样通过上述 6 步骤，就可以完成对 centos 精简和优化。0 n4 |9 c2 E2 S3 c" ?
- g( @" S. N; _( G$ Q- U$ x来源：https://www.moewah.com/archives/2407.html |
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发表于 2023-8-8 10:29:46