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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。' }1 |- o4 [: u2 Z! v2 C+ q3 e
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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。
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) [: O' p& o# m$ [" {0 {8 WCentOS 系统精简优化8 R( F( H' O. F7 G- X
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 ypbind4 _) d7 _, ?# {' i9 ~5 v
yum remove bluez-libs desktop-file-utils ppp rp-pppoe wireless-tools irda-utils
- S ?( A4 h) f# a9 w; G: Dyum remove sendmail* samba* talk-server finger-server bind* xinetd
: [3 b& [$ l2 q0 S2 cyum remove nfs-utils nfs-utils-lib rdate fetchmail eject ksh mkbootdisk mtools; G" R) D$ U% J3 b# Z! @
yum remove syslinux tcsh startup-notification talk apmd rmt dump setserial portmap yp-tools0 U) D2 }) R0 e1 a& C
yum groupremove "Mail Server" "Games and Entertainment" "X Window System" "X Software Development"
5 J) w8 r; P# f$ e" X1 K/ Q6 O8 y/ ^yum groupremove "Development Libraries" "Dialup Networking Support" j9 k8 ]' ~3 W, _. k/ Z
yum groupremove "Games and Entertainment" "Sound and Video" "Graphics" "Editors"
% K1 K, p" T! x) Q: ^yum groupremove "Text-based Internet" "GNOME Desktop Environment" "GNOME Software Development"
4 Y/ X, k1 ^( T" B0 a z' C7 _升级 centos 系统
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yum update #更新系统
7 |" U$ u- r. G9 f; e8 @1 | I/ _yum clean all #清理全部缓存文件9 b) M5 w. p& D% \# r( Y
禁用 seLinux
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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
# E$ O4 H0 g% w% M& N, Q9 Avi /etc/selinux/config
$ N9 R! D0 Z1 q) _SELINUX=disabled #禁用SeLinux
# k$ p/ {; _) aSELINUX=enforcing #使用SeLinux+ O* ?7 K$ ]+ K7 a4 ?! ^
禁止 IPV6（执行后需要 reboot 重启）
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) D' n) a2 W: w8 A! j: Tvi /etc/modprobe.conf #打开文件，把下面两行加到最后) \5 I, L8 d$ K7 I
alias net-pf-10 off* N U" p6 t d% E5 G& D3 a u
alias ipv6 off
$ Z0 _7 N6 d4 m% e( r9 g s初始化防火墙
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touch /etc/sysconfig/iptables
. V& v( }9 ^( @1 biptables -F
6 B& X5 N- p/ s6 }# R$ ?iptables -X2 e. H5 ^' ^) X; s8 }( c
iptables -Z
7 g. x* R7 H# e% }' hservice iptables save
7 ]; B, c( `5 m; E" Nservice iptables restart' Q6 ?; _) J& \1 [5 G- t' ^
禁止无用服务, u6 v" N' v9 d* y) l3 X/ r1 p
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#! /bin/bash! v _. C" k: x; D4 ~ S
service acpid off
% I# D# g6 q9 L% p- Xservice atd stop: S F- s/ }, W+ _6 U7 O
service auditd stop
8 j; N; {. h* s! D# sservice avahi-daemon stop0 q/ {7 r# X" B! |
service avahi-dnsconfd stop# c9 B5 G" L6 }- m1 F5 p: [6 W( L V+ ?! p5 B
service bluetooth stop; l1 v( I& ]4 O& S' v
service conman stop
0 ]" s! p! a. G+ Iservice cpuspeed stop) [ T6 G2 K& R" |
service cups stop
" i8 _$ j% \4 h8 Mservice dnsmasq stop* j4 y( f' ?8 l7 {
service dund stop
0 x. [4 y) ~' _8 X" M: \) }1 nservice firstboot stop
4 X. d, j5 }0 | u0 g& \6 J3 g7 sservice hidd stop
' p7 s% k- x. Z8 ~& `. @# i: Kservice httpd stop- D" `9 }; l3 J7 B
service ibmasm stop$ ~' O; \ q$ I2 Y% O3 O. {
service ip6tables stop
* Q4 u0 A' Z( S, T) zservice irda stop
; M# T- Y q: _! h* c. I; Q8 Aservice kdump stop
( v# O7 A4 u/ l! d" }service lm_sensors stop8 J) `- ]7 P/ U" x: W
service mcstrans stop
. D0 V3 s! a0 _" C8 W5 ?' v' ?service messagebus stop- D5 T9 |& j9 P7 h1 H; z
service microcode_ctl stop
$ \2 c- M8 V; r+ O' H* B6 ~. @- Oservice netconsole stop
; Y0 z0 L& U6 j2 ?% }" k5 yservice netfs stop
* J n1 n" y @, t+ Z5 Lservice netplugd stop H, B, \7 w- E
service nfs stop( `9 w7 @ F5 q' o( X9 V/ e
service nfslock stop
$ ~# X( o H6 d" ], w+ `service nscd stop* _: d/ [* e4 O* M/ v& h9 a
service ntpd stop6 d- V A7 b! V: Y8 n3 ]! F
service oddjobd stop8 {0 V9 A; a. s# i9 \8 q* x
service pand stop1 N) f0 _. j5 L T: S0 h: R' Y$ l
service pcscd stop
0 c3 n2 Q. T/ \! \7 }+ Fservice portmap stop$ L- i. [7 v' M }
service psacct stop
* m# l- X6 O; V1 |" hservice rdisc stop
, i5 u6 @# E6 N1 iservice restorecond stop& {2 X' d: k: @8 w" _
service rpcgssd stop8 _) o+ U: F. W3 A; I* g
service rpcidmapd stop
1 z. d6 _6 [( A" @! W# Rservice rpcsvcgssd stop
/ `, I D& B- N7 n+ xservice saslauthd stop/ h) z8 D+ d- Q2 a7 S5 @ |: D1 d
service sendmail stop
/ U" ^4 n' M; F2 K0 O" y( z k9 Cservice setroubleshoot stop
' o6 ~- p6 `# sservice smb stop
+ d: l: f' ~0 F$ y# W* L& cservice vncserver stop# S& e6 B* {9 _, d5 q# j' J
service winbind stop& T* z* U% `, W" X* V- W: F6 Y
service wpa_supplicant stop
+ \. D% n8 N4 p. t; fservice xfs stop
* [- a7 a" K# n7 M! | Cservice ypbind stop
' o! a* W, c- b# \" n" [3 P% Rservice yum-updatesd stop
# A2 {3 a+ E5 J$ h; T; dchkconfig acpid off
8 T. ]* z* _) l' \# M2 Ochkconfig atd off
* A! j3 ~2 T* x. xchkconfig auditd off* B% p% s: v L K9 ^5 S
chkconfig avahi-daemon off: t5 ^+ c" j5 c7 K. u9 i
chkconfig avahi-dnsconfd off! m8 G% i' V E. j
chkconfig bluetooth off! ?: l1 ]2 @3 H; |; Y
chkconfig conman off" T5 V; C4 U( W5 S l1 G8 s" [
chkconfig cpuspeed off, r( H1 X0 {/ ~& u) t. i
chkconfig cups off
0 S9 ~" o: l+ i" Lchkconfig dnsmasq off
; d; w, \" ]: p F7 d: Dchkconfig dund off8 i+ \- g f/ B" I4 f0 w
chkconfig firstboot off
" E% p/ k! O5 W$ pchkconfig hidd off* R& ]4 T* d: O8 [* y) e. i" t$ w& \
chkconfig httpd off" w7 d' c' m2 U6 H
chkconfig ibmasm off( A" y/ p, T+ t% r6 ~/ ^- f9 S4 \
chkconfig ip6tables off
# M7 M& Y) m [) {2 G# T9 F) B7 tchkconfig irda off6 g8 ^3 I& A$ r/ k! F o
chkconfig kdump off
$ l' W5 g+ i {/ _2 O: achkconfig lm_sensors off4 y% {) [" P' _. p/ J1 r
chkconfig mcstrans off
) f1 D$ l3 [$ D, i) ?chkconfig messagebus off" y; [! \- O. x
chkconfig microcode_ctl off
4 D% ~* x. S- }- Y6 Fchkconfig netconsole off
' ~( g" u5 Z( Pchkconfig netfs off: ], Y. c- f7 k3 R9 U
chkconfig netplugd off
: ~; k; \' K# o# E! F) Schkconfig nfs off6 ]: i4 |+ G( b, \) W
chkconfig nfslock off
0 n: V% v( \( U- s8 ?chkconfig nscd off5 I e6 ^# `! E+ P i5 A* X1 M
chkconfig ntpd off$ S8 o- Z, T# U2 O1 e
chkconfig oddjobd off* G9 R- k! ?, l2 u% W
chkconfig pand off! P2 P% S# U3 X: d5 c. ]
chkconfig pcscd off
5 [6 o' |+ t T6 q1 ]* [chkconfig portmap off- O3 _) f# I- f5 a1 B" ^) w* ~
chkconfig psacct off2 O/ a7 ]4 T$ t# m6 t6 @/ i( l
chkconfig rdisc off
, R% i! X% s$ L$ G) Ochkconfig restorecond off& q q0 X1 T# Y; m6 Z
chkconfig rpcgssd off
0 W6 X4 |/ O mchkconfig rpcidmapd off
. G2 v1 t/ Z1 ^% ochkconfig rpcsvcgssd off8 l$ `# ?" {$ u, ]# P$ A# J
chkconfig saslauthd off' [8 [3 m8 P4 G- k. u# V/ ?
chkconfig sendmail off
4 N. y+ R* X. z: u. o+ Z7 Ichkconfig setroubleshoot off
6 l# |- r& S1 s8 W, zchkconfig smb off' i8 S" |; J7 h# X8 \
chkconfig vncserver off5 {( U9 @% q1 v/ n
chkconfig winbind off6 [$ j) P) j- {2 W9 w
chkconfig wpa_supplicant off+ t9 k& P) D: N) K. n& K) a
chkconfig xfs off
/ e8 m4 y' S5 ]5 bchkconfig ypbind off
" M, c# R& m: x' A' c% ychkconfig yum-updatesd off* R. z% q5 Q6 p& x) n
这样通过上述 6 步骤，就可以完成对 centos 精简和优化。+ C0 H* H; K l2 v0 I! O: i* h
5 ^, |% j" I% ~: H5 j, M8 b& ~来源：https://www.moewah.com/archives/2407.html |
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发表于 2023-8-8 10:29:46