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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。% D/ p3 b( H+ y6 y7 V' ?
/ b2 G4 d; \3 }) t6 @4 ~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。# f; h2 g; G1 I" g+ z& K
. g) {& g2 k& A& w9 k' q5 v8 i- lCentOS 系统精简优化$ j* C4 W( v5 l% d
删除不必要的自带软件包: V- X4 l6 c9 p# B
7 o5 x7 Q6 i3 c8 E4 nyum remove Deployment_Guide-en-US finger cups-libs cups ypbind$ x1 p. I0 ?: J5 ~
yum remove bluez-libs desktop-file-utils ppp rp-pppoe wireless-tools irda-utils
1 S$ U8 c2 @/ W( H5 |yum remove sendmail* samba* talk-server finger-server bind* xinetd' _* w R! q7 r
yum remove nfs-utils nfs-utils-lib rdate fetchmail eject ksh mkbootdisk mtools
9 i) ~# `% \8 R% _; ?6 d( cyum remove syslinux tcsh startup-notification talk apmd rmt dump setserial portmap yp-tools
2 I3 S# q6 h$ d7 ^6 oyum groupremove "Mail Server" "Games and Entertainment" "X Window System" "X Software Development"
2 z- A. z8 B0 d) o' c9 Y X" vyum groupremove "Development Libraries" "Dialup Networking Support"
( f/ v3 \6 B5 syum groupremove "Games and Entertainment" "Sound and Video" "Graphics" "Editors"* u) Z7 A% M# o) _* l1 D
yum groupremove "Text-based Internet" "GNOME Desktop Environment" "GNOME Software Development"* w7 H' n2 b# y2 J# u
升级 centos 系统
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" q: f; u9 @7 {0 Wyum update #更新系统& e3 }$ }0 H1 ?8 S- o( K) N1 ~
yum clean all #清理全部缓存文件
, H2 w; f% D1 w+ j( q禁用 seLinux
1 p o- j8 J0 L: W0 ~7 \
( u. u* Q% S2 n1 e' X" G8 w7 I' isestatus #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
1 s' G0 Q7 T! k1 r: [ k4 g& Hvi /etc/selinux/config
& l. Z# W& o9 H) K. h. T6 m4 |( lSELINUX=disabled #禁用SeLinux* X2 x4 G" }0 T7 T: _
SELINUX=enforcing #使用SeLinux
/ H( U9 S+ b2 r$ e禁止 IPV6（执行后需要 reboot 重启）# z6 J; s7 n }0 T* T
1 m% o, S1 c* f" ^) M1 Bvi /etc/modprobe.conf #打开文件，把下面两行加到最后
; f$ h' Z1 O6 d( j, calias net-pf-10 off, C% t3 C* }/ e; x1 h4 r& W' I
alias ipv6 off
8 R$ u$ V) @# E5 y# Q初始化防火墙& o1 s3 y @% K5 C2 ^4 n1 s+ O
2 T8 W6 r6 A# R/ [touch /etc/sysconfig/iptables
1 y& X# m y7 Q9 c4 \8 M, jiptables -F
8 ^9 _, R7 g- w0 _: S6 aiptables -X" L7 {$ i5 K7 S+ r% t
iptables -Z r6 U! }7 D- }! f
service iptables save! [4 d2 R' o; \% Y5 x+ H
service iptables restart F7 x- {4 y. k! S4 ?& q. K
禁止无用服务
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$ H! K) z5 ?' s9 F#! /bin/bash- p2 L. M% [) D; J* [
service acpid off- J- e1 p8 N* A; k: J( W
service atd stop
! I- J- u: |5 Q. Y+ ^9 pservice auditd stop
6 w: w/ j! w/ xservice avahi-daemon stop! ?3 u. Q( M$ t: W3 S3 f
service avahi-dnsconfd stop
% }8 Q7 i: I# n% Gservice bluetooth stop
' `. I% R( U/ z( G l. oservice conman stop; ?, {4 _. w7 }+ ^3 n$ \% i; ]& F/ ]
service cpuspeed stop) r0 v- U$ ~! E/ v% L) V. u/ T
service cups stop, w. P: K2 g3 M Y$ H! o' D D
service dnsmasq stop
8 B8 Y+ p; i" h) j" y1 Y3 qservice dund stop& Y' R. f6 u5 t0 G% Z+ R9 S2 I( l
service firstboot stop
J1 N5 a* @- R* l# ^7 |7 yservice hidd stop
4 h7 i3 N" \& n3 J5 R M cservice httpd stop+ @; o: D' c, P( B$ f8 q" e
service ibmasm stop
, ?; g+ d7 K+ L) ]8 p X1 T0 s, q% Qservice ip6tables stop
$ G' f: T3 u& i9 Qservice irda stop
8 f; q7 P# S3 B8 Dservice kdump stop
% k( B: Z% h, y1 Mservice lm_sensors stop+ D& F. ~1 s# A; P( l ]
service mcstrans stop* h5 x+ u7 Y" Z# Q5 J# g
service messagebus stop1 `& M# n3 Z! b2 U2 `
service microcode_ctl stop
3 R% A0 G% C7 V3 _8 r) w+ `3 r7 Aservice netconsole stop
% G6 S0 |, H4 ~4 Y: y" y0 a; A# aservice netfs stop
/ W% L0 z/ R) |service netplugd stop
# ?& m `5 Z0 C6 Y( x: c3 d1 G6 Aservice nfs stop+ s4 M8 Q4 r. L
service nfslock stop
. e* ^5 N7 E& Y7 cservice nscd stop
2 i4 f$ @& L7 Q" p( H$ \- Uservice ntpd stop
7 Q6 |8 [5 b& E v; D" ]& K6 bservice oddjobd stop
6 n+ Y+ D% X, j- O7 S+ h0 r- Wservice pand stop* B D1 y+ q9 n3 A( Y: \
service pcscd stop0 Z+ o% E( g( m2 L( ?
service portmap stop4 u& [! I, @. m$ {
service psacct stop
: G' t2 G: t4 r; s2 S q" a' q) Cservice rdisc stop& x2 B! Z$ c. [ Y/ O
service restorecond stop
7 M* W4 ?" N5 I6 w, F2 F1 nservice rpcgssd stop
) G5 i1 i% B4 r Sservice rpcidmapd stop' a6 j! O/ m( f, G9 N% Z
service rpcsvcgssd stop! k/ N, R- c* W' R
service saslauthd stop* `! E9 A# G: D0 m
service sendmail stop' B9 `- `) {" Z5 a0 C8 S2 f/ x1 }
service setroubleshoot stop+ e4 ^2 V, |1 k
service smb stop, ` L. Q1 _# R4 m8 S2 C5 N
service vncserver stop
1 }6 d' {2 U; M, k' j, f4 t% wservice winbind stop) `# v6 y2 i4 F7 |3 X1 J
service wpa_supplicant stop
0 w: }0 t9 G3 G5 ?7 Pservice xfs stop" w% p/ ~+ c- w9 [+ Z' g8 K
service ypbind stop5 X4 s. R1 M5 @' y& ~
service yum-updatesd stop) ?; _4 N$ I0 z; q+ z9 }
chkconfig acpid off# Q" h; J4 h! K: W8 c7 _! P
chkconfig atd off3 u- s; \" y5 @; H
chkconfig auditd off) E; E: u7 c4 e$ I
chkconfig avahi-daemon off
, }6 e7 k. T! H6 Zchkconfig avahi-dnsconfd off
2 D4 i3 M7 O+ t: Xchkconfig bluetooth off; ^3 Q) f; |; [" n7 t2 `/ M+ L$ Y5 U
chkconfig conman off
# B: A, e' ^. t5 I" echkconfig cpuspeed off
. }" D( e9 I4 j: x; Uchkconfig cups off, ` V4 ?* K2 J( h' j5 {
chkconfig dnsmasq off4 J% K: `* m0 Y z% |3 n( c+ k
chkconfig dund off& p0 R1 X3 A6 f: |, [
chkconfig firstboot off
9 Z8 x) C' P. ?, G; {chkconfig hidd off* r' G+ H; ^6 q" D/ |# B8 v
chkconfig httpd off. y+ y2 S- u6 r' a/ G
chkconfig ibmasm off
4 S. T) V. \9 B! ~chkconfig ip6tables off" t$ ~2 k, V" r
chkconfig irda off
' s* N3 ?7 |/ q/ U, [: Mchkconfig kdump off3 \% Q, E) g/ ^( Y' A1 W
chkconfig lm_sensors off$ ^7 a$ ?$ L! h" E
chkconfig mcstrans off
, O) E% z5 i% p2 ?' zchkconfig messagebus off% V% l" r1 L% W( m/ h6 G
chkconfig microcode_ctl off
" ]( k( f r8 i4 A( cchkconfig netconsole off8 ~ ], Y* V2 }7 q$ u! s
chkconfig netfs off
2 p5 b3 G1 k; @+ k5 E9 h- f9 G4 K) pchkconfig netplugd off- A, U I+ P/ v( b
chkconfig nfs off, \1 ]6 V3 v# c
chkconfig nfslock off
4 G: v* S8 F* p2 y2 F% X: F) S# Mchkconfig nscd off
# P& m5 H/ ]" H* }chkconfig ntpd off" E/ R$ \) {7 A: u. c2 C5 M
chkconfig oddjobd off1 r6 Q* J/ G$ X" H) d5 E
chkconfig pand off
! H3 {# }: v- Z8 h. X0 T0 Jchkconfig pcscd off
) }; s, V' Y/ N: j6 z' Dchkconfig portmap off
5 _* C$ a* \4 \) u3 V/ Gchkconfig psacct off+ {' ~; @+ z% G5 V
chkconfig rdisc off6 b% M; y N& x& J$ G
chkconfig restorecond off
5 C! j1 A* i$ g. q5 T) i# Nchkconfig rpcgssd off
( B3 O1 T( ]" ^; r+ N/ S4 `' |+ ] ?chkconfig rpcidmapd off* n7 w: f- I6 s: i; t2 O ^- {2 [
chkconfig rpcsvcgssd off/ y* [! C$ [4 J- [) S% c: D
chkconfig saslauthd off
) y- T! Y/ ?# f `chkconfig sendmail off
! ?2 Q( r( y2 m0 r' p+ Ochkconfig setroubleshoot off
: f b. j) Y d( {3 L3 e6 J4 _chkconfig smb off& O" n' r* K7 r' E% j) r
chkconfig vncserver off
$ i/ g8 ?/ J* L/ o, e5 M2 D3 V- {chkconfig winbind off) v) s; ]8 p5 h! v
chkconfig wpa_supplicant off
0 _& n- |+ `: M9 I- e% R( f. ~chkconfig xfs off
; f5 m# M! I9 q0 F! Cchkconfig ypbind off
/ r6 R0 V" v9 e: S3 m T7 n( h0 }8 Jchkconfig yum-updatesd off/ h9 U% |" P @6 F8 p1 u
这样通过上述 6 步骤，就可以完成对 centos 精简和优化。- d5 y9 K/ L/ W. S# E" _+ {
$ [ H9 u6 W# k1 [来源：https://www.moewah.com/archives/2407.html |
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发表于 2023-8-8 10:29:46