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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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+ i+ R- ~: {) i% n2 a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。+ k! X. c' K% v6 v
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CentOS 系统精简优化
5 e0 `; ~- n- Q$ B$ y( g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 ypbind1 m9 b$ q8 t' o- x6 q: v* K8 ~& }
yum remove bluez-libs desktop-file-utils ppp rp-pppoe wireless-tools irda-utils% m; D! D5 N/ a0 p& _
yum remove sendmail* samba* talk-server finger-server bind* xinetd3 j$ n$ H' p7 L2 Q2 A7 B& ~
yum remove nfs-utils nfs-utils-lib rdate fetchmail eject ksh mkbootdisk mtools
2 {$ F& J, D8 lyum remove syslinux tcsh startup-notification talk apmd rmt dump setserial portmap yp-tools1 D8 v$ K- V; N
yum groupremove "Mail Server" "Games and Entertainment" "X Window System" "X Software Development"5 t U& q2 x G. h* K. s: h' i. g
yum groupremove "Development Libraries" "Dialup Networking Support"
) U- n% l) b! t9 L- zyum groupremove "Games and Entertainment" "Sound and Video" "Graphics" "Editors"2 @1 f, x; l$ y5 q$ c
yum groupremove "Text-based Internet" "GNOME Desktop Environment" "GNOME Software Development"8 d, `7 D( G# s+ P; R3 p2 P
升级 centos 系统
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yum update #更新系统2 V& o2 ^" |! [/ g3 s! Q K
yum clean all #清理全部缓存文件* j+ K* q; d1 y6 Y R
禁用 seLinux
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9 h& o# G( J( L5 _/ p! N0 \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
5 @8 _7 Y8 n+ B* S$ R! _5 J' Nvi /etc/selinux/config
1 M2 n# V- v2 U* gSELINUX=disabled #禁用SeLinux
. H9 D, {4 Q- v5 p& t9 D# KSELINUX=enforcing #使用SeLinux
5 M0 f: p+ ]% _% _3 {! M禁止 IPV6（执行后需要 reboot 重启）- h# N" Y' s/ r: F# v
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vi /etc/modprobe.conf #打开文件，把下面两行加到最后 s! Z: Y8 f u5 Y# G% U3 G+ u
alias net-pf-10 off% j* B. Z% W8 E2 l/ l& p: T; @
alias ipv6 off
9 ]6 ^0 {& v7 k初始化防火墙/ B1 w k" m& `+ ~( \
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touch /etc/sysconfig/iptables
/ s9 D, t, c) K$ k6 yiptables -F0 a) V! {& P: f+ |! o+ u0 {
iptables -X3 }3 n" w5 I/ @7 e# N
iptables -Z
. P# G+ O4 J4 a3 o5 X0 O. O! dservice iptables save8 t0 j8 R9 R# q6 j: S
service iptables restart
1 |. b1 c" {# Q: z1 m8 a/ B- `1 p禁止无用服务2 s0 e; U1 m# X/ o
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#! /bin/bash# F, c2 q8 G# e# s' p6 e3 Q
service acpid off
8 b/ U% Y: D0 a7 G n- w dservice atd stop
% n+ |6 Q8 U& R% J8 ^- Qservice auditd stop6 @4 t, }: b& o2 W
service avahi-daemon stop
8 t G6 b3 ]: g/ F7 v( G% Hservice avahi-dnsconfd stop0 ]3 G+ ?( C4 d
service bluetooth stop& K8 Z6 C5 q( C1 U8 r( }% _7 @
service conman stop
9 g9 ]. A1 S! wservice cpuspeed stop
! U+ q. d/ T9 Dservice cups stop
; ^# C, z: k; S; ~2 Z0 cservice dnsmasq stop( l2 h4 ?9 S, R0 ]$ s/ O; T
service dund stop9 b7 p. P8 O+ f5 v# D' p- k j
service firstboot stop
: m+ ]4 e C& K9 f: x6 Oservice hidd stop
1 l/ `2 `- Q1 k1 S; {2 Fservice httpd stop4 j7 w% z% h- y
service ibmasm stop! U, [4 s8 I. f* U l1 J- C0 }
service ip6tables stop
6 \! |8 f* A9 b( Nservice irda stop! d6 Y0 k, J) T0 d1 q) q; L+ d
service kdump stop
% D0 q8 G. @% U2 b: Q8 tservice lm_sensors stop
3 ]' `8 V4 W. h( t t- Oservice mcstrans stop% h9 J; s7 F0 `; O/ C! {- x
service messagebus stop8 D1 W4 k, G0 D$ V# e, A* }1 n) x
service microcode_ctl stop
" I! o- G/ [1 [6 I8 f& uservice netconsole stop
2 X- }' _6 Y# \1 B3 n6 _, \service netfs stop
. n, ^4 @( {" ~. y2 K. f) X7 I3 k- Aservice netplugd stop$ b1 I5 @. V4 _; M
service nfs stop
3 m0 X! o9 H" T: p! y4 J& h0 R& lservice nfslock stop
8 {' k, D' z5 qservice nscd stop' z# c# E0 {: z+ z1 c
service ntpd stop' ?& @. q7 q" Z. S6 z7 N. J% N
service oddjobd stop2 ?7 w! R: N4 P/ G( K+ Y8 K. O( ]/ h" E
service pand stop6 p1 J! v2 {( K$ U, h$ I( Z
service pcscd stop
4 @9 ?3 ^1 ^5 \3 q% rservice portmap stop5 A( |# L' L' S$ [
service psacct stop
- }2 O5 a: g5 T' T9 c: K2 z4 pservice rdisc stop* L/ g4 {) `& ~* J" p$ [- U, U0 {
service restorecond stop# E- e% p) ]! n% E6 Y, e
service rpcgssd stop
* j% w: T5 ]0 k1 S! Fservice rpcidmapd stop
& e* c/ |, p, C# o5 |, Yservice rpcsvcgssd stop
4 k( E3 s& X, |service saslauthd stop
! q* {8 u, |+ rservice sendmail stop
* w2 I1 ~" ]; Y! o' i1 E$ Pservice setroubleshoot stop( c3 v+ ?3 x6 i7 i
service smb stop
8 `! ?/ N$ Q) ?4 Cservice vncserver stop# J/ U0 ^2 v! N% i! `+ p
service winbind stop
1 z3 _& B9 v {6 i+ v ]8 hservice wpa_supplicant stop
% B- N5 A. D3 ` x2 c) p3 ?) Wservice xfs stop
" o6 t0 i3 P) B" R% Fservice ypbind stop3 w7 ?& o" S5 W( u) p5 [
service yum-updatesd stop& b4 e; Y4 _6 i1 ~
chkconfig acpid off q0 y) `! Q* d" E9 ]; }0 z" b
chkconfig atd off
1 O2 F( z) S% w" achkconfig auditd off
6 N( f7 x. ^" \. |chkconfig avahi-daemon off
1 R8 a' R" Y L1 n$ J) C& Xchkconfig avahi-dnsconfd off
4 Z4 N- s i6 kchkconfig bluetooth off8 ~% J% q; U4 g6 U- r1 c# l
chkconfig conman off
7 J1 W9 b- z. \9 t! J3 g7 lchkconfig cpuspeed off% x. q! B( U% P) p
chkconfig cups off6 h: A/ c& ?5 Z( v4 Z1 n }6 u
chkconfig dnsmasq off
5 ~0 b. @ O: ~$ }% r* E8 L+ Ichkconfig dund off; d$ @1 t% W5 ^# T
chkconfig firstboot off
2 [% q3 ?, J. }5 \* U# Ochkconfig hidd off' q. a( S4 i/ t4 ?
chkconfig httpd off: t0 m7 d6 N3 w! `+ r* S
chkconfig ibmasm off
) ?6 I/ ]# u$ m+ pchkconfig ip6tables off$ b$ [9 Q7 m5 C- M' N, j" Q- y& A8 l
chkconfig irda off8 F! M" \3 W. G. q( L: A
chkconfig kdump off, ?/ K! W6 @3 g9 ^5 E, [3 ?
chkconfig lm_sensors off
0 d& n, U- X; P4 i1 W# l0 g4 Schkconfig mcstrans off6 z# i' c1 }, o1 W t: m) W
chkconfig messagebus off2 \0 R2 Z$ r+ R; \: ~
chkconfig microcode_ctl off B& \, Y; k4 n" |0 b; o
chkconfig netconsole off
7 X& J+ Z* i7 G3 t+ i% a) B) kchkconfig netfs off3 x) \% L0 j6 _9 S P* P L$ }
chkconfig netplugd off# [7 B6 e' z; `
chkconfig nfs off+ W; g, b* y! u5 R
chkconfig nfslock off0 B! Z! _8 `. I& E: v$ A& H
chkconfig nscd off- `( Y% v: m; h$ X; }
chkconfig ntpd off
9 w* S& X* A; c- _! i8 gchkconfig oddjobd off) G3 I1 u# C1 i! z- G, m$ w' v
chkconfig pand off
" t1 Z% u5 R& g. ~chkconfig pcscd off
4 J3 t Y* B# J6 U3 Xchkconfig portmap off
[5 W. w' a- d1 r; h1 @2 Achkconfig psacct off
7 O/ H) G7 q* ^# k8 pchkconfig rdisc off
1 [' O1 Y& N& V4 b7 }. zchkconfig restorecond off7 U f1 o% [, j- L
chkconfig rpcgssd off Y7 M! ?% X) Z, k
chkconfig rpcidmapd off' a# A, Z0 x. u) b9 a) u ^/ G
chkconfig rpcsvcgssd off% n* \( ]( E x3 ?9 I- j# p
chkconfig saslauthd off8 l* l7 X" q, I" j4 f
chkconfig sendmail off
1 R& m, t" A N; x7 O( Xchkconfig setroubleshoot off8 h1 J, V0 e+ X) q" G
chkconfig smb off5 K( W. N! ]) v4 K" _
chkconfig vncserver off1 Y9 K: H- {' x# N
chkconfig winbind off e# E& B4 z: l. m9 Y, B; m8 H* C
chkconfig wpa_supplicant off" X) l7 {) D( z$ A
chkconfig xfs off
' o* ~8 N9 T* K* `chkconfig ypbind off
8 ]% `3 Q# U7 g2 gchkconfig yum-updatesd off
% n$ R" A; M! U( D% L6 t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