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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。% l& ]: L0 M/ f0 v' Z* k
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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。. P) S. Z) E: n6 O2 l
4 a, F k9 c9 [: s# UCentOS 系统精简优化1 }6 D0 I. ^1 B7 C% c: g' t) C
删除不必要的自带软件包
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2 U h1 J' L/ _0 G# b. I1 |yum remove Deployment_Guide-en-US finger cups-libs cups ypbind
. ]# L3 b4 n( V! X& r4 z8 G# xyum remove bluez-libs desktop-file-utils ppp rp-pppoe wireless-tools irda-utils
+ g5 [+ Y$ v0 E( E2 Y q9 b( G# j9 {+ qyum remove sendmail* samba* talk-server finger-server bind* xinetd
: P2 |" M' D9 ]) M3 ayum remove nfs-utils nfs-utils-lib rdate fetchmail eject ksh mkbootdisk mtools
2 {! ^7 v2 W6 ?% s/ Z1 qyum remove syslinux tcsh startup-notification talk apmd rmt dump setserial portmap yp-tools
/ O* \& \. u p2 g5 y) K- T/ tyum groupremove "Mail Server" "Games and Entertainment" "X Window System" "X Software Development"+ F; f3 Q: u! v$ {5 J3 o! S
yum groupremove "Development Libraries" "Dialup Networking Support"
- D" w, v& C( Jyum groupremove "Games and Entertainment" "Sound and Video" "Graphics" "Editors"! A2 W+ h' G9 s& O: x+ C
yum groupremove "Text-based Internet" "GNOME Desktop Environment" "GNOME Software Development"
w- P( B& }8 m: [+ s升级 centos 系统
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+ Q& u5 B! I: F6 M4 ]0 H2 c# `yum update #更新系统' F6 j0 B: t/ x: O, l
yum clean all #清理全部缓存文件
7 d7 Y7 O% a6 P* c禁用 seLinux$ ^) H, g! P( A" n/ S1 n3 s
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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7 ~( p- u5 `% p
vi /etc/selinux/config
' B Q9 s( \4 |1 A1 USELINUX=disabled #禁用SeLinux- h3 M7 g/ ?% h6 k
SELINUX=enforcing #使用SeLinux
8 U. Q4 _# _6 X( ?) D% x禁止 IPV6（执行后需要 reboot 重启）& f t5 k/ k, M
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vi /etc/modprobe.conf #打开文件，把下面两行加到最后3 A! h# m4 V3 v- Z8 _
alias net-pf-10 off
$ s5 R' r; N4 q3 v* _! @9 u8 C: C! E. Calias ipv6 off% G! b" l/ w0 p% H
初始化防火墙- q5 }6 B3 e7 z
D; ]0 K5 {; \; ftouch /etc/sysconfig/iptables
" V+ b4 o3 k+ Y$ h, p# X' piptables -F
& z q( d7 D% h1 |$ biptables -X
6 A: \: E6 k0 }+ v. E: f4 l0 eiptables -Z
- l# x7 c" C9 @. nservice iptables save9 ]! s) Y6 {/ v. Y" G
service iptables restart
$ n5 z$ k4 l3 a+ c4 U4 s1 r* }禁止无用服务4 m) {4 n# R6 y. g$ }
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#! /bin/bash9 z; J) q! M5 R/ d
service acpid off
" w" |% u8 z* lservice atd stop1 g" w! K* y9 n- x& ^
service auditd stop! F9 H' Z% F% O4 Y5 X6 _1 s/ q5 j
service avahi-daemon stop
6 } G/ _3 j! v& Hservice avahi-dnsconfd stop1 X) x5 l, h0 F& _$ o! q2 f2 W
service bluetooth stop
# i- ^5 e" u" B) c! Yservice conman stop/ F" }9 _% F) u' Y
service cpuspeed stop
9 u) v, S4 ]6 p' uservice cups stop
/ b( n' D- K9 {' L% D2 Mservice dnsmasq stop
" A4 s7 N* m8 e! hservice dund stop
7 e' e8 H% w# k" s2 Fservice firstboot stop: H; |7 g1 V5 `" s0 H8 c
service hidd stop# x+ }# W# B9 s2 I' W
service httpd stop
1 r& k3 G7 [5 z3 w- o% f- D8 |' p9 lservice ibmasm stop$ B2 {4 T; ^ T2 i
service ip6tables stop6 Z$ i' J% \3 [6 T) m! @" ?6 x
service irda stop2 K$ b6 v+ _0 n8 ?3 e! l* S
service kdump stop8 U5 k R9 l$ t. ?+ }
service lm_sensors stop
1 g) C1 C1 h! @! f1 B' X$ \' gservice mcstrans stop/ l2 @6 Q% a( b
service messagebus stop
; K5 z; f7 N+ I1 H+ Q$ kservice microcode_ctl stop' J) \: L& ]+ `4 Q7 u2 `: c
service netconsole stop
3 ` ?2 x; R5 w) G$ l: I1 tservice netfs stop
" p7 y' E6 R: H3 G1 R: F4 h/ tservice netplugd stop" v( \) o! b) o5 U5 P6 P( Z
service nfs stop
* y1 e$ v) K1 c: D, @service nfslock stop
9 l: S9 R/ o+ e1 }" |service nscd stop. t, P9 j! A1 K5 o, G7 I' O. m! n
service ntpd stop
( z2 I" w! x ^. Kservice oddjobd stop/ [# j. G* j& i3 t" K( b
service pand stop2 k5 v% A0 H( n
service pcscd stop6 M! p4 i5 T$ X. N: ^
service portmap stop
( t+ C/ q- g1 W* Iservice psacct stop. i+ R+ G: s/ I b7 U% E2 e& p$ ~. i
service rdisc stop2 D3 t0 {, c" X* e% N& d
service restorecond stop
% v* d- j, v1 j& e4 u3 ^( g9 }0 uservice rpcgssd stop
( h- q4 ~; k* aservice rpcidmapd stop
* H/ J, @! \0 I# r) s% uservice rpcsvcgssd stop
7 ?% O/ K: p' N( @# Kservice saslauthd stop8 R- x5 U; b9 x9 X# ~9 F
service sendmail stop \- y) s6 X0 N" J. j$ O5 ]
service setroubleshoot stop, x$ X4 a) @! e0 x9 O
service smb stop) a; Z' Q/ I0 F$ t1 h8 ]: r
service vncserver stop
# y, z' p" u: ~( `4 Tservice winbind stop
8 m8 h* ^8 k4 }4 q' H4 C8 @service wpa_supplicant stop
o2 ]8 @. |) p8 z hservice xfs stop' w/ P( l6 y2 y
service ypbind stop5 s! D) E4 {. ?* D
service yum-updatesd stop' s4 @' M+ b, ^4 Y4 |: t' |
chkconfig acpid off
5 r4 h( U6 Y0 S/ G" Ychkconfig atd off3 h1 G1 s# l2 A+ |
chkconfig auditd off
3 p" y2 u2 B* `' w/ F$ X dchkconfig avahi-daemon off( a& [0 c8 [+ `
chkconfig avahi-dnsconfd off
8 C& p7 G; K# ?chkconfig bluetooth off8 o6 Q9 k! s p6 H
chkconfig conman off( J5 N ~# H. V. v
chkconfig cpuspeed off0 [# S2 q" ?3 p: n; [- O+ E
chkconfig cups off+ H! J4 Y7 S; v! k* Z6 C
chkconfig dnsmasq off
0 t4 y [9 o5 [$ l6 Qchkconfig dund off
1 l( T% `* q2 z' w- rchkconfig firstboot off
6 l% Z4 n5 ^* A0 M8 ]+ Schkconfig hidd off
4 B* a& A1 C4 X! k+ zchkconfig httpd off2 F% f$ _% }( j8 o
chkconfig ibmasm off
. [" z, }. D: S( Echkconfig ip6tables off
& T( Z7 F5 C8 W9 _5 [chkconfig irda off
+ w) F% J4 ^5 P6 C0 F( i6 r8 q' nchkconfig kdump off) O7 R [5 L# i6 `- N) m
chkconfig lm_sensors off
, k9 G! K6 [5 schkconfig mcstrans off
q* G" G: ]* S- V- P4 p. a/ Kchkconfig messagebus off
' Z# s& O5 Y% Kchkconfig microcode_ctl off
: F) o2 X, a) hchkconfig netconsole off
5 n$ @/ P/ |/ T9 U+ ^3 F5 s5 V* u8 Rchkconfig netfs off
3 _; t# z0 n, U! {8 mchkconfig netplugd off6 q% b' [, c& H# f$ g
chkconfig nfs off& O. ]* {6 H; d% s
chkconfig nfslock off, \4 ~$ y* u& a8 G6 U
chkconfig nscd off M3 O+ `1 z" S t s$ s
chkconfig ntpd off* P* z1 ^9 @/ J$ @: }( |
chkconfig oddjobd off
; B: i0 b( F' ~: V" M- fchkconfig pand off( d1 U* a" Q. Z* I# x& a! o1 g
chkconfig pcscd off* B$ v4 `+ k) s5 h6 K
chkconfig portmap off6 M$ h/ Y4 G2 N! a9 D" ^5 `4 {: ]
chkconfig psacct off
' ^ x+ C( ^0 v* W. S7 r5 w4 L# ^chkconfig rdisc off+ C8 ?7 W7 u; o! E' y
chkconfig restorecond off
6 a7 S" P- ~- Z3 `/ {2 ychkconfig rpcgssd off
( x1 I% T. V. I7 w/ L* }9 ]3 Nchkconfig rpcidmapd off
, d7 r; [( h, r8 `9 g& ochkconfig rpcsvcgssd off
' A1 }3 I3 y- a+ rchkconfig saslauthd off& [9 ]. t7 s A- z- g# C/ @- ~
chkconfig sendmail off
. x* d' X" d/ y) v2 O( Z3 lchkconfig setroubleshoot off. O( h* Z/ q9 h/ B
chkconfig smb off
: V9 V2 t/ K4 O; Zchkconfig vncserver off
4 D/ }/ x! G( x0 C6 _chkconfig winbind off5 @3 f# s5 Z& z# ^" Q
chkconfig wpa_supplicant off( V4 F$ {. |' D" X. I2 X& {
chkconfig xfs off
Y, D5 U) a; u( g8 V" l( x6 n. ?chkconfig ypbind off# t$ w8 w% [' G) u9 g
chkconfig yum-updatesd off( I5 s+ Y6 g u# j+ _
这样通过上述 6 步骤，就可以完成对 centos 精简和优化。5 j: R! K1 p; _( o, e3 v# S
2 y/ a- B0 f$ ~% Q* _1 u来源：https://www.moewah.com/archives/2407.html |
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发表于 2023-8-8 10:29:46