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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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6 Z/ G) i; P! Q3 ~9 _5 e. h/ S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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CentOS 系统精简优化1 V7 A) H% S: s5 D+ u( o1 ?
删除不必要的自带软件包
$ d7 B* S5 [8 r( }
1 e0 u; G! V& X( y$ G: s. \4 u$ Cyum remove Deployment_Guide-en-US finger cups-libs cups ypbind2 {7 M M" y1 n. T
yum remove bluez-libs desktop-file-utils ppp rp-pppoe wireless-tools irda-utils3 |% j& M( Q' X* o0 t: h# y' T- G& h
yum remove sendmail* samba* talk-server finger-server bind* xinetd' S% q i; L+ Q
yum remove nfs-utils nfs-utils-lib rdate fetchmail eject ksh mkbootdisk mtools
! m5 L7 J+ I' k! V: zyum remove syslinux tcsh startup-notification talk apmd rmt dump setserial portmap yp-tools
/ e; J9 b% ~1 c% Q3 K# o& G2 Jyum groupremove "Mail Server" "Games and Entertainment" "X Window System" "X Software Development"
8 ~: U G, H% [+ X& c: q* R" uyum groupremove "Development Libraries" "Dialup Networking Support"
8 D- N$ M1 X1 g8 ]/ cyum groupremove "Games and Entertainment" "Sound and Video" "Graphics" "Editors" ]1 V9 a, V4 }7 l0 B
yum groupremove "Text-based Internet" "GNOME Desktop Environment" "GNOME Software Development"9 h# B- g! }& g. N3 _, p) s0 h) m6 M% t
升级 centos 系统
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$ j9 X- X1 Q4 h5 J: u Eyum update #更新系统
* H7 }3 g7 s. Ayum clean all #清理全部缓存文件
& y- Y3 T6 _- z% r, [7 t禁用 seLinux
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b- N. y2 A" u5 P5 G2 f# _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
8 h @# K6 B* y; q3 a9 j; ?7 [vi /etc/selinux/config! ?% Y6 F& G2 O% Z
SELINUX=disabled #禁用SeLinux0 j4 {" p" m8 V- S% E W/ z
SELINUX=enforcing #使用SeLinux: {7 R9 d2 E4 T6 ]% Q' e* ~5 [
禁止 IPV6（执行后需要 reboot 重启）6 P! n3 @) w: x1 |( \
# V6 |2 Q1 V- Vvi /etc/modprobe.conf #打开文件，把下面两行加到最后6 K& H8 w, l6 N0 ]1 E7 p- R! m$ x
alias net-pf-10 off
: y1 D) Y# \5 T) w/ oalias ipv6 off
; ~. b/ U' k) p: w3 Y; O初始化防火墙/ |0 n& _9 n; k7 u0 o8 z- J
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touch /etc/sysconfig/iptables
* z4 n" i4 J% ?% Jiptables -F
& Z. l: G! H# d4 ~0 C& Ziptables -X
% |% S7 t+ C$ V' }6 Xiptables -Z5 ~5 y; W3 E: K' a. j
service iptables save
* r4 a0 ^3 K0 N1 {' `- \service iptables restart
+ [6 X% F& \- ]7 G禁止无用服务' d* u- m3 p) P4 b
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#! /bin/bash
: U) u4 m* L. E' Rservice acpid off9 f: x. c3 }$ P1 n
service atd stop( Z0 `- I7 c& S9 l: g
service auditd stop3 L R, F9 V8 C; z. B) H) j
service avahi-daemon stop
7 v1 P8 A! i( {8 F! F/ p: Y/ m( [2 ~service avahi-dnsconfd stop( r* R) k8 A! L8 {0 _9 c9 K. _
service bluetooth stop& K" p1 v$ `6 m2 A
service conman stop
3 t/ A$ H8 x3 _: j6 X4 `( xservice cpuspeed stop& k) I, ?, x+ k E, R% O2 m3 G
service cups stop
: b' [; O- S; `8 R) |- g2 O% gservice dnsmasq stop
$ ]( g, w0 ?8 }/ Vservice dund stop
2 S$ k: z9 w+ O2 ~/ d6 sservice firstboot stop
; }% ?" s" Z" {8 \: O' hservice hidd stop5 z7 d+ i0 e' v4 e
service httpd stop; |5 c& u/ a4 Q" c
service ibmasm stop) G' s# x" V2 B; q, n7 K6 e
service ip6tables stop
3 Z" v8 [! d0 t7 S; |. a7 a. Bservice irda stop. w- y2 @# Q0 M6 G
service kdump stop
( m+ a, L9 e/ \& v# V+ K2 C* Vservice lm_sensors stop* a9 D* n: t8 S% Q( A+ [& ^) s1 B
service mcstrans stop
* S6 P: j% s8 ^service messagebus stop
- [3 y3 @6 Q. p7 c9 Bservice microcode_ctl stop
! _& s: w* t$ s& l4 N( xservice netconsole stop
* D4 ]; j) N# V _9 v- Uservice netfs stop
( i/ o: V5 i; t3 N* R; W9 Wservice netplugd stop8 r- x4 g1 c( O+ `
service nfs stop
+ ]: G# j8 E( ~8 @- Q# T& J0 sservice nfslock stop" C7 P. v2 i8 g$ b# ~
service nscd stop; ?$ b! y4 \7 I+ ]
service ntpd stop
' b" {! Y& D% V- D. o! gservice oddjobd stop
& a0 N. T! j# U; X$ j( o$ aservice pand stop- ~2 M$ J; W8 \% T
service pcscd stop
0 r4 {; y% G, A* o8 yservice portmap stop
s, I2 Q1 S& Z7 g* a6 ~service psacct stop: ^2 x" P" K. i; _6 P
service rdisc stop2 O, c+ ~5 c% y, L6 q. P
service restorecond stop1 N* `' h: C. N& a; M
service rpcgssd stop
4 C, v% Z: G: ~- @service rpcidmapd stop" ] ?5 T: }& t6 O
service rpcsvcgssd stop2 Q6 X* T9 G ~
service saslauthd stop. k3 f8 _, b' x; w. L* W9 T
service sendmail stop
- Q0 S: Y) d& U" Q, @0 p t. {service setroubleshoot stop& K5 V c) s) f0 O& G" Y
service smb stop* E b) Y0 U4 a! q0 {
service vncserver stop8 ^1 M! N; ~$ n( Y% E- p
service winbind stop% w4 \3 o3 n; `1 q8 ?- }
service wpa_supplicant stop: z! O @# {* A1 o0 J- k
service xfs stop1 f6 \; Y: Z* ^# x6 c. h
service ypbind stop( c4 @% x5 m# [4 n$ e) o
service yum-updatesd stop
+ D6 y1 @1 a5 d) Bchkconfig acpid off
( ?2 ?/ v& A! x5 B# X dchkconfig atd off4 l9 B6 H. D& b
chkconfig auditd off, V4 l+ Z! |/ c; f- l# {! H
chkconfig avahi-daemon off
* H1 H! Q0 P6 c2 Ichkconfig avahi-dnsconfd off
0 d- d# f" O( ^# Q& L @8 rchkconfig bluetooth off
' K8 A: F( _, P1 nchkconfig conman off( m$ v% J& P3 z7 d& W/ B7 l
chkconfig cpuspeed off; U' E! ?$ ]2 u4 E& V
chkconfig cups off
. ^0 _3 {5 ]) E5 w" P: X4 Schkconfig dnsmasq off
. ]- [0 V& `5 G' W/ l% D5 Y; Tchkconfig dund off7 X* Z5 L5 a- c+ h5 E8 m+ n
chkconfig firstboot off
$ T# W* B0 T7 F, @" }* P8 jchkconfig hidd off1 T* S; \6 p+ ?
chkconfig httpd off
7 |! h9 R# v- `* E! vchkconfig ibmasm off
. }$ I0 v/ i: |, C) R2 W9 echkconfig ip6tables off# c$ B& h$ C' T5 n5 _9 {
chkconfig irda off
8 C& Y8 O: H; O ]8 _chkconfig kdump off5 ^+ n* W$ d, \
chkconfig lm_sensors off/ a: j. y* S* O L2 v
chkconfig mcstrans off
2 y. t2 G8 s. Q+ r. Z6 j* a1 r) Bchkconfig messagebus off! ^+ P2 h& V* a* i
chkconfig microcode_ctl off
6 A& v4 Y9 O8 r6 O( V% K% Rchkconfig netconsole off l. Y# A$ I+ j5 h8 Q$ c
chkconfig netfs off
& J$ v5 ^/ p. J) A7 d) Gchkconfig netplugd off
# X! o5 X3 z9 p5 O8 mchkconfig nfs off
7 q$ a7 m# d) R$ X9 Kchkconfig nfslock off. J! G0 P$ m. A x5 R6 u
chkconfig nscd off3 C# C4 d; K4 ?5 e( Y
chkconfig ntpd off
- U- c: Q2 U2 {& u/ Z! Pchkconfig oddjobd off. J9 h4 J2 y+ Y y0 H/ `6 r1 Y
chkconfig pand off, i8 u3 ]+ j* F) y- i
chkconfig pcscd off
9 P# m: U" Q2 Y" L; O+ G; b' ? Hchkconfig portmap off* t6 v( N) j3 Z0 A2 `
chkconfig psacct off
# V) j. ^: F: V' |2 I2 P% A- mchkconfig rdisc off$ I N* h! \; c& d5 e
chkconfig restorecond off6 G: B3 `7 v" i; \' X
chkconfig rpcgssd off
; E$ \& R4 V6 T0 v: uchkconfig rpcidmapd off
$ [6 N/ p( f3 N% Z* q- k& l6 Kchkconfig rpcsvcgssd off
! B( b7 n9 l9 v5 b, ichkconfig saslauthd off% l: O: O; s$ J, G% a
chkconfig sendmail off- v; e/ ^. p3 t0 M3 @
chkconfig setroubleshoot off
0 h; K" @3 a( @; \! i5 U. Y Cchkconfig smb off
7 m8 H7 {8 K+ f7 ]/ K0 Pchkconfig vncserver off
1 a) @5 {" j) U! q; mchkconfig winbind off3 O$ K, x; q3 X( K- d
chkconfig wpa_supplicant off. ], X: W4 W1 Y1 A2 e
chkconfig xfs off
# V( q, ]$ r1 f" a. ?! Xchkconfig ypbind off
! E- w# r @, N+ Qchkconfig yum-updatesd off0 R3 a$ b6 }! e6 Q& @7 l3 B
这样通过上述 6 步骤，就可以完成对 centos 精简和优化。, n/ x% y4 v; a, F9 G6 F1 d; Q
/ L9 w- `6 R7 ]- j8 o, Q来源：https://www.moewah.com/archives/2407.html |
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发表于 2023-8-8 10:29:46