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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。
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CentOS 系统精简优化1 m5 y9 ^; V/ g7 `) T$ M
删除不必要的自带软件包& R3 e. s. ]. p. b+ [6 x, a
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yum remove Deployment_Guide-en-US finger cups-libs cups ypbind
0 F; p m/ M; R8 q, c- E; uyum remove bluez-libs desktop-file-utils ppp rp-pppoe wireless-tools irda-utils5 G' x- f: G T
yum remove sendmail* samba* talk-server finger-server bind* xinetd1 a% {" Z3 L9 {# N& M" r4 z
yum remove nfs-utils nfs-utils-lib rdate fetchmail eject ksh mkbootdisk mtools. U3 [% Z5 s l6 _" m ~
yum remove syslinux tcsh startup-notification talk apmd rmt dump setserial portmap yp-tools
# e. n$ I- \9 F7 a* hyum groupremove "Mail Server" "Games and Entertainment" "X Window System" "X Software Development". l. Q1 V: Z1 f
yum groupremove "Development Libraries" "Dialup Networking Support"2 d! S9 Q8 G j* M
yum groupremove "Games and Entertainment" "Sound and Video" "Graphics" "Editors"
/ l# K0 l {1 J* p( a# |$ z0 Uyum groupremove "Text-based Internet" "GNOME Desktop Environment" "GNOME Software Development"
8 @* i. e- r1 ?升级 centos 系统# P0 B4 n, B; q8 o& C- H
* l& I/ j9 n k9 ^/ E3 m$ vyum update #更新系统
, e! e: Y4 U }1 Ayum clean all #清理全部缓存文件; g X/ P0 u, u7 p" P# d% @/ W
禁用 seLinux1 B# \" N& |' {5 U& w2 A X) w
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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
6 u, n3 s& q- c% b+ Pvi /etc/selinux/config6 M' g5 l- T* v: x
SELINUX=disabled #禁用SeLinux
/ n6 n$ x% m& U% u! I6 ~# K9 XSELINUX=enforcing #使用SeLinux9 s7 c, T; D w" r4 |" K) E4 R
禁止 IPV6（执行后需要 reboot 重启）6 h4 _9 d6 ?. T
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vi /etc/modprobe.conf #打开文件，把下面两行加到最后
: l! a: h0 ]0 E: `9 [% salias net-pf-10 off
% u- B: v [5 U( U! [4 _) Calias ipv6 off
* P I. d7 k2 T x! p; Y+ H X6 k初始化防火墙/ \3 }# H7 m! l7 P% p- v. d
; ]4 a7 [0 w0 X/ d$ `touch /etc/sysconfig/iptables
' d( y4 j6 V2 `- viptables -F
- G( e9 L' M) g4 g6 D' G6 O4 Kiptables -X
; x! q1 B; `6 w9 U9 ~8 niptables -Z
3 O0 q( i6 r3 j" J* ]service iptables save$ K) G1 `8 b3 V5 v6 H- |* V
service iptables restart/ R6 x6 Z; h: y* m0 C. l+ a
禁止无用服务* e. }4 e; r! m6 j% o$ w" H
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#! /bin/bash9 m. K0 |5 n+ n& v) M
service acpid off! l9 |# w6 V& z& @3 ~" N$ q# l' w! B
service atd stop" `5 ?8 g+ X" f# \$ a7 H6 H4 X: h9 J
service auditd stop/ V* I5 T6 j5 f
service avahi-daemon stop
. s3 C/ p0 `, Q, I- F& R \4 vservice avahi-dnsconfd stop
; x* v6 r% Z, [+ Wservice bluetooth stop. I. R- q& f/ u! @# f. }* x1 s# B5 E: f
service conman stop! z# n, o/ F" X8 q2 s
service cpuspeed stop
- L( I, S+ g+ M% Y! Z8 ]- n, h* Pservice cups stop
' d6 ~0 L4 O; r, Lservice dnsmasq stop; |2 r' x" w3 J
service dund stop
; M) x' W4 a- V, x6 I5 ^service firstboot stop' |3 M. s3 \- D
service hidd stop
) S2 G% A0 g$ | a& w/ A cservice httpd stop' `7 Y/ s, @( ]" a7 b
service ibmasm stop
6 f8 Z2 m& U% Z9 f: s7 tservice ip6tables stop
* E4 I* B9 D) k6 x/ cservice irda stop
* Z8 L. c9 s, M( Xservice kdump stop
7 B: |& t) W3 h3 i* }service lm_sensors stop
' A% E+ t0 @$ T" Hservice mcstrans stop' ]# y& u1 P3 t5 R% n3 l
service messagebus stop
/ D5 v: s# A7 [ g# U& T6 J/ gservice microcode_ctl stop9 i' P$ r. H9 g. ^: B4 c: t2 N F
service netconsole stop6 q- r! U# ?6 D* Y0 D& {
service netfs stop6 d: O4 M0 c1 V4 \9 b
service netplugd stop
) C9 h5 D+ L7 o* B6 _% |) Iservice nfs stop4 T3 f( l' L, M8 i
service nfslock stop6 j( z! Z; `$ F7 h
service nscd stop( T/ E# \& s" }. G
service ntpd stop4 H3 ?* `, X) C) G% l9 G
service oddjobd stop; Q) `, E8 j1 e+ P* |) h* c
service pand stop
! ~0 e; P# R' M$ b! z. J" sservice pcscd stop5 @% Z0 ^1 R" d
service portmap stop, S C9 H' M/ s! ?& o6 M
service psacct stop" a% s) [# ]) z/ c0 F+ p. x
service rdisc stop
1 Z) N! M" o& R% l1 \service restorecond stop
; C4 v7 W) d' g% {service rpcgssd stop5 j8 m3 S# L: I
service rpcidmapd stop
- i# p/ a: s- B0 w3 ~3 K# Sservice rpcsvcgssd stop
3 r$ M$ t, H- o* Qservice saslauthd stop$ O8 |( C# C+ F3 L4 P6 u
service sendmail stop
1 C* O: N% p: xservice setroubleshoot stop
0 Z: M. h& z9 X2 o- ~: c' e3 mservice smb stop
" {" ?- ?, l @4 b( fservice vncserver stop
7 C/ {) P3 L; g+ g$ }service winbind stop
3 w9 R6 Q/ M7 k) {7 W- u1 `! }+ wservice wpa_supplicant stop
( a6 d* o# _! Q' rservice xfs stop
* W/ ^- a2 O; c" Nservice ypbind stop% S# \' J# A% |7 E$ L
service yum-updatesd stop! q4 p" c8 @' {3 H
chkconfig acpid off4 c! j. h/ p* x5 V, b" X
chkconfig atd off( q, Y$ n* g8 x3 S
chkconfig auditd off: B0 ?- ]0 |: @
chkconfig avahi-daemon off
7 |! y/ S5 d' {) n9 K( w$ Jchkconfig avahi-dnsconfd off
; n* F- V ?; z& e" l0 Z2 H3 Rchkconfig bluetooth off
, S5 ~- X+ y6 y4 x ~chkconfig conman off x# s3 U0 [# u% x2 w
chkconfig cpuspeed off
* z1 q3 `) B n' M1 v) fchkconfig cups off
# [4 u. ^; D& ?) _; |$ a% F8 Gchkconfig dnsmasq off
2 O! [7 v3 U* Pchkconfig dund off
' r% _1 \/ B4 n) ?2 K% Uchkconfig firstboot off% [( x" Q# N$ I) {& P
chkconfig hidd off6 |0 Q" s4 w0 c
chkconfig httpd off2 O" Q" k9 d' w2 w
chkconfig ibmasm off
f' b) \3 h/ H, |chkconfig ip6tables off1 n6 z7 W; o2 n
chkconfig irda off! V. @1 M: E# O- l9 S# g; B& m* X
chkconfig kdump off
g7 N# y" _+ Q1 `chkconfig lm_sensors off
# c1 V, O: x7 V0 k# K. Q+ T* kchkconfig mcstrans off6 a8 Q a8 r% b
chkconfig messagebus off) u5 `, `* @* S) i
chkconfig microcode_ctl off; V7 P3 i0 E& X" n$ S
chkconfig netconsole off* o0 L: q- k j% R* T
chkconfig netfs off
" f# C- p# [! F& ~1 Hchkconfig netplugd off: U9 @ Y* O9 `, `8 M
chkconfig nfs off7 o+ V- T0 {2 {! o( \& D
chkconfig nfslock off) H j; ~+ O V
chkconfig nscd off
: o5 y! e5 c7 ?chkconfig ntpd off( g% _* M) o+ y) k: `
chkconfig oddjobd off
+ e7 @$ P* g0 ^chkconfig pand off
3 x% O8 _* G6 A. j) Vchkconfig pcscd off
; `' f& j6 N M, ~5 ^4 n$ f& Rchkconfig portmap off
, y2 u9 R+ Y! w1 \- ?# |chkconfig psacct off
' y0 o: }* I) rchkconfig rdisc off
2 `, a+ A4 A9 S+ Hchkconfig restorecond off$ y# H2 I: p* g, [9 G
chkconfig rpcgssd off; \5 B5 ?8 h' H" O
chkconfig rpcidmapd off
4 E$ L" O+ y( C' y* v- Y/ |# w, Xchkconfig rpcsvcgssd off/ \' p0 N: q% H+ J
chkconfig saslauthd off6 G- \' i* S" g2 D5 f9 P$ B. f# a
chkconfig sendmail off
8 z/ Z) D2 w) D' u5 |chkconfig setroubleshoot off+ k) r6 w3 b, w5 c
chkconfig smb off6 b( v" R3 B. f1 {
chkconfig vncserver off
5 ^) J# a- l+ B+ }1 w, V& h! Tchkconfig winbind off' f3 q2 ?' a$ H( j' Y- I& P' b
chkconfig wpa_supplicant off# |' g' N0 V- K4 b
chkconfig xfs off2 o7 u! }/ W' l9 d$ r) m7 I: @
chkconfig ypbind off
5 y3 h0 }! y; Hchkconfig yum-updatesd off/ ~( T, Q( w* q5 F" a% g+ T l
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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; ?& g, Q! P3 p! L3 S/ e9 @, x来源：https://www.moewah.com/archives/2407.html |
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发表于 2023-8-8 10:29:46