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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。
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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。2 M+ f2 a T" P) j/ h
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CentOS 系统精简优化
/ l% [% u1 D5 `7 f5 }1 F# c5 e删除不必要的自带软件包+ Q4 Y6 s; R e9 H& }
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yum remove Deployment_Guide-en-US finger cups-libs cups ypbind
3 O8 Q( h' M8 \- Z' Xyum remove bluez-libs desktop-file-utils ppp rp-pppoe wireless-tools irda-utils R' a0 B1 K# Q. x- J. i1 o
yum remove sendmail* samba* talk-server finger-server bind* xinetd
7 A. |3 }0 q9 \$ _yum remove nfs-utils nfs-utils-lib rdate fetchmail eject ksh mkbootdisk mtools
7 |5 @; a5 x- G8 F- U; _% \yum remove syslinux tcsh startup-notification talk apmd rmt dump setserial portmap yp-tools5 l7 E, j- N$ Z
yum groupremove "Mail Server" "Games and Entertainment" "X Window System" "X Software Development"
: G+ d; _1 q- j3 n9 d2 x/ j4 Xyum groupremove "Development Libraries" "Dialup Networking Support"
l D# ?; l& p3 q+ k: Yyum groupremove "Games and Entertainment" "Sound and Video" "Graphics" "Editors"0 `4 {4 {! v8 O
yum groupremove "Text-based Internet" "GNOME Desktop Environment" "GNOME Software Development"
! z/ ~/ p4 a( N; C( V% N* n升级 centos 系统/ S4 |1 ^9 W1 K: e& |1 t- ^
, F7 K0 s( J2 ^* ~ vyum update #更新系统
2 x' Z$ | S A9 f7 ]! B3 ~0 lyum clean all #清理全部缓存文件+ H$ L- g+ Z0 F, h. L0 \
禁用 seLinux7 `( h1 o Z6 T; s& \* K1 k
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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 c! F+ T* U3 N$ k7 B$ }- a
vi /etc/selinux/config: J; n. R$ S9 j9 T
SELINUX=disabled #禁用SeLinux- a( d+ \6 {& p, j
SELINUX=enforcing #使用SeLinux
1 X6 e& l% ? D) |3 ?禁止 IPV6（执行后需要 reboot 重启）: e; Z( X& j" d$ K& R \, z1 @ ^
, o! y3 S& Z- }) E2 @- zvi /etc/modprobe.conf #打开文件，把下面两行加到最后% [5 J- H2 k8 n; Y
alias net-pf-10 off! m- k+ b! H! L4 J6 n
alias ipv6 off
/ T, V8 n1 E! ^, l# P3 g初始化防火墙
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$ p P* d. H5 V! Q; ?& H0 s4 xtouch /etc/sysconfig/iptables
3 R9 W' l& t. S5 jiptables -F% X3 t% L$ Q& J% n8 u
iptables -X
, `! `9 f" x* M- s aiptables -Z8 f1 C' v( B' K/ @/ O
service iptables save
( x" K; j" C1 U1 C0 {/ sservice iptables restart
! p# A/ J2 E( {/ n- O禁止无用服务% J- C0 a9 N; B3 l C$ {) B% y4 x! S
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#! /bin/bash
4 s$ c3 }4 ^# A6 O+ @: r: i* \9 }service acpid off
+ L( w3 m) g$ P. F7 R* gservice atd stop
! N7 j" w7 T+ B& W7 Y9 ~, K/ Fservice auditd stop7 f. Z( _; m2 K4 v
service avahi-daemon stop0 Z" b6 I) m) @# p
service avahi-dnsconfd stop8 W3 c. e5 _/ F
service bluetooth stop
/ d8 l) U" @9 f6 W% p' w; x" [service conman stop
5 S8 d/ N( T" s0 l" {/ pservice cpuspeed stop7 k: `. _3 }; z y2 d0 p! D
service cups stop
# f; Y7 _, j# b5 Z. X4 Dservice dnsmasq stop
1 [) A, c. Z8 g, D2 oservice dund stop
3 Z; w5 f7 n8 M: Hservice firstboot stop
8 z3 F0 P' ]( I1 @; W0 H4 _' i, iservice hidd stop! K, B% Z9 j+ f5 T D/ N4 h; ^
service httpd stop' ]8 L3 @9 G( g, [3 B7 c& b% X* c
service ibmasm stop& [4 C4 D4 O, V; I. ?* }) f( z
service ip6tables stop
& S( U, ]# ?/ b3 {7 `+ M: S B oservice irda stop5 P" E0 O, D/ e$ \2 L7 `) d+ Z
service kdump stop
4 {7 d" y |0 {0 u* T- s tservice lm_sensors stop1 X% n {9 g8 Q6 u* d
service mcstrans stop5 E0 b: s. c9 E3 \+ |9 j w: Q0 f: K
service messagebus stop
R* O, O( m8 l8 Iservice microcode_ctl stop. a/ ^$ B0 M* ?3 ~2 r3 l! l
service netconsole stop
$ B& }# ~3 U, A6 g& A+ Dservice netfs stop
( r' W8 G6 W; K* q: C% Aservice netplugd stop
d! m( t0 u3 c6 e: z6 sservice nfs stop
- y) m+ c7 b2 `5 P# Vservice nfslock stop
$ @ K' B; n9 o) Rservice nscd stop
* ]1 w$ o- G! Xservice ntpd stop
, F1 o% Y A4 d% K% b4 a) Yservice oddjobd stop- S- s7 {( ^7 h4 ?
service pand stop
0 ~2 e# @" j# ^3 [& ~, X; Kservice pcscd stop
?" Y r( v: ^0 E7 F# c/ e$ `service portmap stop& ]7 p4 L3 {% X: E
service psacct stop
0 D- l n4 a! Pservice rdisc stop+ Y8 h. a, S. c$ U! ]
service restorecond stop7 G+ v; C% W, Q% [1 ~
service rpcgssd stop
/ g+ e4 [* k; T2 R9 Dservice rpcidmapd stop
; r; j2 C! l" Z) q1 Bservice rpcsvcgssd stop
; r1 C g- V, |/ aservice saslauthd stop* q& n/ e4 {' t1 x) H
service sendmail stop
& q0 L% y/ K2 vservice setroubleshoot stop
& O! S: s- s, m9 r' k( Q2 rservice smb stop
) X, q* R, o- k; Iservice vncserver stop. x* p9 k0 k+ K: j
service winbind stop4 Q- |$ a$ B; v/ ^8 M
service wpa_supplicant stop' F4 `! ]/ u) Y8 n
service xfs stop
5 I$ G9 F2 M# o, H. q; P1 g8 kservice ypbind stop# [1 |! l* i& |2 h
service yum-updatesd stop
, ?& [( o/ J, o5 Z Bchkconfig acpid off
$ Z, H4 v5 i; k+ S9 Achkconfig atd off
( c2 l; z$ f% _" r8 P! K0 \8 fchkconfig auditd off
2 F9 Q- G4 }' i3 h8 j1 ychkconfig avahi-daemon off3 o5 I4 r2 t5 @# S
chkconfig avahi-dnsconfd off W3 q& ^. W0 g1 t" c
chkconfig bluetooth off6 ^& d7 ?9 E8 K% ?
chkconfig conman off$ m5 q0 `7 Y, g: r
chkconfig cpuspeed off
6 D& P& Y; G. n& w% c+ ychkconfig cups off) ?* |0 \# z4 C/ M# N/ W% i$ Y" @5 x
chkconfig dnsmasq off1 V4 G& Y+ l8 T) B+ N* i8 r
chkconfig dund off# l- e; |. Z+ ]" Q0 a8 {' N, b
chkconfig firstboot off1 B+ `' K2 x; ~. s! Y( D
chkconfig hidd off
3 k, @5 V/ U4 j9 Kchkconfig httpd off. g& O; g. n) d8 |5 x
chkconfig ibmasm off
8 \5 R" u [ y! [( q, g0 `2 B5 Zchkconfig ip6tables off6 A- a) q! f9 f" Q# }! p
chkconfig irda off
0 f/ I$ p7 ~& z" Y3 L' ]" nchkconfig kdump off
; k( J) ^( j7 I" m1 Echkconfig lm_sensors off$ N" X, T2 b9 @/ P! M7 H
chkconfig mcstrans off, \" G5 [8 V. z7 I! s
chkconfig messagebus off0 s/ p/ D7 ]& s4 H4 h
chkconfig microcode_ctl off$ R* r+ k2 o% m. y
chkconfig netconsole off/ N2 H" r, @6 r5 S5 |" ]6 J( J
chkconfig netfs off
( {$ E3 K! M4 |: Pchkconfig netplugd off3 d3 F1 z8 \/ T, R* Z, r
chkconfig nfs off
9 x T9 `" U" S1 `; q( C ~, A+ G$ ochkconfig nfslock off# p+ V9 K, d6 N& R7 ]
chkconfig nscd off% M2 J! W6 `( f) P! s, t
chkconfig ntpd off) D6 ~( ~7 k7 F2 m2 ^. x
chkconfig oddjobd off2 n' y" Z# P) i" } w7 ~
chkconfig pand off7 \( z7 L+ e" u5 _- j7 p
chkconfig pcscd off2 I, |8 u$ v" o* V4 Y1 R
chkconfig portmap off" u# @# t* s% D C
chkconfig psacct off6 s" Q- W( ?" C; R5 R1 J
chkconfig rdisc off- \2 v. `& l. r* @+ o3 D# ?# ~# i
chkconfig restorecond off0 U* q+ M% y' w" x
chkconfig rpcgssd off- @( @: k' V- s4 u
chkconfig rpcidmapd off7 V- r3 }( x9 y7 {$ w1 a) g
chkconfig rpcsvcgssd off3 j* D9 `" h3 r2 p
chkconfig saslauthd off
1 v" ]/ U W( d( Hchkconfig sendmail off
. @1 l0 A7 [6 }9 f' }* U$ v% xchkconfig setroubleshoot off+ v5 K8 t' ^% g; c
chkconfig smb off1 ~1 [+ h; _1 t
chkconfig vncserver off
4 }- p( w6 D# k. b! X/ _2 n7 [chkconfig winbind off
8 r5 I; B |9 x; A/ G% echkconfig wpa_supplicant off; F5 T, o6 ?9 o( W0 M
chkconfig xfs off
, T7 l5 p8 L+ r6 g- G' f& v pchkconfig ypbind off
8 q( Q C& _& Xchkconfig yum-updatesd off
9 Q5 W( q2 i; I: n+ h7 K2 G9 |这样通过上述 6 步骤，就可以完成对 centos 精简和优化。$ D. B+ l A( X9 Q; {) ]) Z! q( k
' r e( o; {7 m' G来源：https://www.moewah.com/archives/2407.html |
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发表于 2023-8-8 10:29:46