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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。0 k$ L) u8 Q% y/ s/ b
) @# h5 C& W4 n4 x6 ?; w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; T* k3 ~/ T, R$ F
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
( Y! x! Q' o8 u: k' Z$ G) y+ b8 vyum remove bluez-libs desktop-file-utils ppp rp-pppoe wireless-tools irda-utils
5 q9 u3 [2 L$ V K qyum remove sendmail* samba* talk-server finger-server bind* xinetd
# Z* k# B N! ~$ v4 K) ~6 O4 g2 Iyum remove nfs-utils nfs-utils-lib rdate fetchmail eject ksh mkbootdisk mtools7 r% \& t/ D% X2 Q" w# ?
yum remove syslinux tcsh startup-notification talk apmd rmt dump setserial portmap yp-tools+ W" f2 @, U" [. N# d8 ?0 j- s
yum groupremove "Mail Server" "Games and Entertainment" "X Window System" "X Software Development"1 n3 Y. k4 Q! {
yum groupremove "Development Libraries" "Dialup Networking Support"! d, m. v3 x. D7 P/ f/ j4 a, T; z1 q
yum groupremove "Games and Entertainment" "Sound and Video" "Graphics" "Editors"5 p; }/ G, i+ j9 \2 n* W! W) M8 D
yum groupremove "Text-based Internet" "GNOME Desktop Environment" "GNOME Software Development"
G/ X3 s9 [3 p+ @4 L* Q升级 centos 系统$ p5 O, V' S( ~$ h& g. p
0 `5 z6 ~) e( Y: R! jyum update #更新系统
( o/ Y; E# R: Cyum clean all #清理全部缓存文件
& g& S! q* p/ F: R; O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
* s+ \- J+ K# qvi /etc/selinux/config
]( u& y I1 a5 E! ~8 O& O' ^% aSELINUX=disabled #禁用SeLinux( e0 U, e2 H6 \2 S
SELINUX=enforcing #使用SeLinux5 J- s8 }4 D! f# K3 j+ W C
禁止 IPV6（执行后需要 reboot 重启）
# B* [: R# J& @1 K
. h" m$ N7 c1 s: c: C6 t qvi /etc/modprobe.conf #打开文件，把下面两行加到最后5 K& }4 X; @& T6 D- ^/ |0 U0 `) y2 A
alias net-pf-10 off
/ _5 s+ q* k2 {' K( C) N/ aalias ipv6 off
: ^: `" ?* @. l' a4 J+ z) |6 T初始化防火墙
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touch /etc/sysconfig/iptables2 U# s& u" }! v2 P* b" K5 _' Z
iptables -F0 ]/ Q4 L0 R9 R5 r: g j# D
iptables -X: g- ~$ [7 R4 M, n
iptables -Z
k0 ]+ q+ z; I: xservice iptables save8 ?+ ^+ t5 Y5 ~& K7 w+ o4 w4 P
service iptables restart& ]& e) p% V. v7 g
禁止无用服务& B! ?1 l9 o) a% w1 k
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#! /bin/bash2 \( I3 V5 K9 D1 [1 Q5 {
service acpid off0 P% l% S/ \* T: o7 Q, P
service atd stop
4 n" } H$ x9 [, ?" j& o" \2 g/ Aservice auditd stop
2 e: L2 b! B1 rservice avahi-daemon stop
* R( m4 }9 V6 P8 x% u. [4 \service avahi-dnsconfd stop! h* P d: [6 ?$ ^! [6 y+ g- ` c4 M
service bluetooth stop6 g y* Y& D. R6 a
service conman stop- u y, ]9 [8 L7 y( p
service cpuspeed stop. m( S, o' ]( R0 f* r% w
service cups stop0 M$ N. p1 \8 ?9 q# s
service dnsmasq stop
/ `, ]2 j' g0 `service dund stop# i* k D" y1 c2 n# e h
service firstboot stop: w& i* N8 Q& k1 E1 \4 a
service hidd stop
6 s0 _' j, l0 b8 c4 Jservice httpd stop2 B) F7 V, | R) }0 Y j% h
service ibmasm stop
, G% _# E/ M9 b" Y- Xservice ip6tables stop5 T: X# o% F# r, G8 K2 H
service irda stop
1 Z/ K! w2 ~! o% G2 P5 ?1 ]! jservice kdump stop
0 z. Y+ j8 Q% ~( E/ nservice lm_sensors stop$ }, B" C. z$ Y* d# e% n% g: p
service mcstrans stop
3 X1 c' L5 S2 B* aservice messagebus stop
$ c$ M" Y# \# ^ y; K6 {, @" V+ zservice microcode_ctl stop% B7 B* }/ D5 q+ ~, T
service netconsole stop
1 i+ w9 R2 }% ~! g; V5 W0 @service netfs stop
/ U6 x+ |( S- o# D! [) S) Wservice netplugd stop+ u3 q$ M0 f; N$ e: d
service nfs stop3 I, ?7 [! v4 \. X7 S" [$ s9 Z a
service nfslock stop
% n: @0 e5 P. J$ V8 d3 A5 iservice nscd stop: i( ?7 d# @8 C5 o& n8 |2 f; k2 ?
service ntpd stop1 g- T( \; T' p3 _
service oddjobd stop2 R8 j( {/ _. e' G+ k& S
service pand stop
+ e C, R5 `( Eservice pcscd stop4 b* n( k5 @" S
service portmap stop$ C i8 s' Q3 V$ A! `& V0 ^& R( l. Q
service psacct stop% x# U b$ q1 D' S( [& U
service rdisc stop
, n2 ^5 w: @" [7 { m8 B6 E6 \service restorecond stop+ b3 k( y9 z% H. p3 H' q; F
service rpcgssd stop
2 z/ O+ l2 |* E! J5 Rservice rpcidmapd stop0 N9 v6 \; D6 U( X! Q
service rpcsvcgssd stop
0 B, F0 K- i4 j: z0 G" Cservice saslauthd stop
+ z. \# j+ ]7 }service sendmail stop. z2 ?) }! ~4 p7 M
service setroubleshoot stop
$ e" F8 c3 B, Gservice smb stop
8 } }$ E3 ~8 zservice vncserver stop
# u1 C: O( |- r# x0 ]" tservice winbind stop
- J8 m0 S. Y: k6 [( t6 Q) jservice wpa_supplicant stop4 K' s7 \# A) L. e3 }+ J9 s: K; q
service xfs stop
; v+ H/ J- R! m& l7 x( y, J: rservice ypbind stop' ]0 K8 T! C# H$ _' L6 s6 u
service yum-updatesd stop
p, G5 f4 ^4 q# ~2 Schkconfig acpid off
4 O: e; y& ^/ L, a5 Z3 a5 s/ schkconfig atd off- H2 |5 O! h& k) M% \5 \
chkconfig auditd off: S# w2 a& h; b; ?, r" ^1 Y! W$ {
chkconfig avahi-daemon off
9 \' P( b; w, M3 w3 A, [& D- Fchkconfig avahi-dnsconfd off- p8 r, K4 A+ x4 V; `& O
chkconfig bluetooth off
" {, Q' w! Q; l9 Dchkconfig conman off2 k1 Z# J$ e: s" U m
chkconfig cpuspeed off( ~2 q3 q2 Z& E; m J
chkconfig cups off
5 Z8 _8 J3 b9 W3 w; schkconfig dnsmasq off( J. j" _! b9 i" l1 D( }( A5 u
chkconfig dund off
! d) q7 H+ k3 p) a ~chkconfig firstboot off
# ^$ I9 n" R! o* j& h4 qchkconfig hidd off
$ o1 J' J" }6 ?5 R" b$ N/ schkconfig httpd off, U2 N" x: s. H2 Z5 \( T
chkconfig ibmasm off
) C1 y3 L( M5 B3 @chkconfig ip6tables off( c* o/ c6 M/ v2 P
chkconfig irda off: _3 C7 d% [2 P6 k& Q. e" G4 Y
chkconfig kdump off6 y7 b% S5 X J9 R) i
chkconfig lm_sensors off
, n! [+ S6 a k' `, `3 l1 Rchkconfig mcstrans off; m$ _" d+ U$ D! `1 M" }
chkconfig messagebus off6 ], k0 C, \. T1 r7 M
chkconfig microcode_ctl off
! T. _" F! i/ }, I5 Nchkconfig netconsole off, q+ c4 R9 ?3 I$ N
chkconfig netfs off+ D, O8 R9 A1 R9 c
chkconfig netplugd off! R8 P3 E2 o0 L# n
chkconfig nfs off8 X4 X) v0 g! Q' w
chkconfig nfslock off
( v s* e$ ^6 T; R( u+ U& ^: rchkconfig nscd off
. F3 K9 O+ _5 O/ O: V- Z7 g. @2 Wchkconfig ntpd off! j2 k6 ]/ L1 e
chkconfig oddjobd off5 Q2 c' m' m# D+ k& o
chkconfig pand off
; Q5 a* l+ F6 ochkconfig pcscd off
4 S* A9 P) n5 h7 Kchkconfig portmap off
; d- \% z" n4 Qchkconfig psacct off# z8 A+ n7 ~6 G1 u. x
chkconfig rdisc off0 `% L8 T- h4 x
chkconfig restorecond off: |9 I: d8 f7 U- T4 a
chkconfig rpcgssd off
0 P) U: I) }; F4 fchkconfig rpcidmapd off3 n5 U# y3 a' F8 }$ v
chkconfig rpcsvcgssd off0 W4 N% c1 b) C" V& L5 ?2 I! ~. k
chkconfig saslauthd off
$ X( K) H5 g7 Dchkconfig sendmail off
( E1 c! T$ b* C; W# kchkconfig setroubleshoot off- C2 d% u7 {6 C9 f: `% L
chkconfig smb off& z: H! G) N" {7 c! n/ \
chkconfig vncserver off* w& R- z. f( e) {0 j/ f
chkconfig winbind off3 d: }1 O! S2 y4 X
chkconfig wpa_supplicant off
0 H3 L _5 Y6 xchkconfig xfs off: l) T( P( t7 ^5 _& s
chkconfig ypbind off- a$ c/ U* Y4 ]! Q( T& q5 _
chkconfig yum-updatesd off
) p3 f. g# n+ e9 x) r" c8 E这样通过上述 6 步骤，就可以完成对 centos 精简和优化。
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来源：https://www.moewah.com/archives/2407.html |
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发表于 2023-8-8 10:29:46